CN112963948A - Fresh air machine control method, device, equipment and storage medium - Google Patents
Fresh air machine control method, device, equipment and storage medium Download PDFInfo
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- CN112963948A CN112963948A CN202110434741.0A CN202110434741A CN112963948A CN 112963948 A CN112963948 A CN 112963948A CN 202110434741 A CN202110434741 A CN 202110434741A CN 112963948 A CN112963948 A CN 112963948A
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
- F24F11/70—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
- F24F2110/70—Carbon dioxide
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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
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Abstract
The application is applicable to the technical field of fresh air fans, and provides a fresh air fan control method, a fresh air fan control device, fresh air fan control equipment and a storage medium, wherein the number of indoor people is obtained according to the number of user terminals accessing a gateway; acquiring the indoor carbon dioxide concentration according to the number of the indoor people; according to indoor carbon dioxide concentration, the operating condition of the new fan of control need not additionally to set up indoor carbon dioxide concentration detector, only can learn indoor carbon dioxide concentration according to the quantity of the user terminal who visits the gateway to according to the new fan operation of indoor carbon dioxide concentration feedback control, need not to increase purchase and installation cost, need not the wiring and maintain the degree of difficulty low.
Description
Technical Field
The application belongs to the technical field of fresh Air fans (Air Ventilation Recycle Systems), and particularly relates to a fresh Air fan control method, device, equipment and storage medium.
Background
The fresh air machine is an effective air purification device, can circulate indoor and outdoor air, on one hand, discharges the dirty indoor air outdoors, on the other hand, inputs the outdoor fresh air into the room after the measures of sterilization, disinfection, filtration and the like, and ensures that the air entering the room is clean and healthy.
The content of pollutants such as fine particulate matters (PM2.5), carbon dioxide (CO2) concentration, formaldehyde and the like is an important index for evaluating the indoor air quality, and the existing fresh air fan is generally provided with a high-precision air quality detector for detecting the concentration of the pollutants so as to feed back and control the operation of the fresh air fan. Except that being equipped with the air quality detector inside the new fan, can also be in indoor other places installation air quality detector, during external air quality detector also can be arranged in the feedback control of new fan, nevertheless, purchase and installation cost are high, and the wiring is complicated and the maintenance degree of difficulty is big.
Disclosure of Invention
The embodiment of the application provides a fresh air machine control method, a fresh air machine control device, fresh air machine control equipment and a storage medium, and aims to solve the problems that an external air quality detector is used for performing fresh air machine feedback control, so that the purchase and installation cost is high, the wiring is complex and the maintenance difficulty is high.
A first aspect of an embodiment of the present application provides a fresh air handling machine control method, including:
acquiring the number of indoor people according to the number of user terminals accessing the gateway;
acquiring the indoor carbon dioxide concentration according to the number of the indoor people;
and controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration.
A second aspect of the embodiments of the present application provides a fresh air fan control device, including:
the quantity obtaining unit is used for obtaining the number of indoor people according to the quantity of the user terminals accessing the gateway;
the concentration acquisition unit is used for acquiring the indoor carbon dioxide concentration according to the number of the indoor people;
and the control unit is used for controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration.
A third aspect of the embodiments of the present application provides a fresh air control apparatus, including a communication unit, a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the fresh air control method according to the first aspect of the embodiments of the present application when executing the computer program.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements the steps of the fresh air control method according to the first aspect of embodiments of the present application.
According to the fresh air handling machine control method provided by the first aspect of the embodiment of the application, the number of indoor people is obtained according to the number of user terminals accessing a gateway; acquiring the indoor carbon dioxide concentration according to the number of the indoor people; according to indoor carbon dioxide concentration, the operating condition of the new fan of control need not additionally to set up indoor carbon dioxide concentration detector, only can learn indoor carbon dioxide concentration according to the quantity of the user terminal who visits the gateway to according to the new fan operation of indoor carbon dioxide concentration feedback control, need not to increase purchase and installation cost, need not the wiring and maintain the degree of difficulty low.
It is understood that the beneficial effects of the second to fourth aspects can be seen from the description of the first aspect, and are not described herein again.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first schematic flow chart of a control method of a fresh air machine provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a fresh air fan control system provided in an embodiment of the present application;
fig. 3 is a table showing a correspondence relationship between the indoor carbon dioxide volume concentration and the indoor air quality level according to an embodiment of the present application;
fig. 4 is a table showing a correspondence relationship among the number of user terminals, the number of indoor persons, the carbon dioxide concentration, and the wind speed of the new fan according to the embodiment of the present application;
fig. 5 is a second schematic flow chart of a control method of a fresh air machine according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a fresh air fan control device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a fresh air fan control device provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular device structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known devices, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise. The term "plurality" means two or more.
The embodiment of the application provides a fresh air machine control method, which can be executed by a processor of fresh air machine control equipment when a corresponding computer program is operated and is used for controlling the working state of a fresh air machine according to the indoor carbon dioxide concentration under the condition that the fresh air machine is not provided with a carbon dioxide detector. The new fan can combine accessories such as pipeline to constitute new trend system, and new fan can be air conditioner new trend all-in-one, and new trend system can be air conditioner new trend system.
In application, the fresh air machine control device may be a Gateway (Gateway) capable of performing wired or wireless communication with the fresh air machine, or a line controller capable of performing wired or wireless communication with the fresh air machine and the Gateway. The wire controller and the fresh air fan can communicate in an infrared communication mode based on an infrared protocol, and the wire controller can be an infrared wire controller.
As shown in fig. 1, a fresh air handling machine control method provided in an embodiment of the present application includes the following steps S101 to S103:
and S101, acquiring the number of indoor people according to the number of user terminals accessing the gateway.
In application, the gateway may include a WiFi gateway, a bluetooth mesh gateway, a ZigBee gateway, and other wireless gateways, where the WiFi gateway may be implemented based on a wireless router. The WiFi gateway supports a Transmission Control Protocol (TCP) or an Internet Protocol (IP), the bluetooth gateway supports a TCP or a User data packet Protocol (UDP), and the ZigBee gateway supports a low power consumption lan Protocol based on the ieee802.15.4 standard. The gateway may also include an ethernet wired gateway implemented based on a wired router. The ethernet wired gateway supports TCP or IP protocols.
In application, the user terminal may be a mobile terminal such as a mobile phone, an intelligent bracelet, a tablet computer, a notebook computer, a netbook, a personal digital assistant and the like, or a non-mobile terminal such as a personal computer, an industrial personal computer and the like. And the user terminal and the gateway and the line controller communicate in a wired or wireless communication mode based on various communication protocols supported by the gateway.
As shown in fig. 2, an exemplary new fan control system is shown, which includes a plurality of user terminals 21, a gateway 22, a line controller 23 and a new fan 24, wherein communication between the plurality of user terminals 21 and the gateway 22, between the gateway 22 and the line controller 23, and between the line controller 23 and the new fan 24 is realized through wireless communication.
In application, when the user terminal accesses the gateway, the user can usually indicate that the user holds the mobile terminal to enter the room where the gateway is located or the user opens a non-mobile terminal located in the room, so that the number of people entering the room can be estimated by counting the number of the user terminals accessing the gateway. Indoor means that the gateway and the new fan are located indoors at the same time.
In an application, the user terminal accessing the gateway may include the number of user terminals that have succeeded in accessing the gateway and the number of user terminals that have failed in accessing the gateway. For gateways which can be successfully accessed only by password verification, such as WiFi gateways and Bluetooth gateways, when a user terminal accesses the gateway for the first time and does not know the password, or the user terminal does not access the gateway for the first time but does not store the password in advance, the user terminal fails to access the gateway, and the user terminal is usually operated indoors no matter whether the user terminal accesses the gateway successfully or not, so that the number of people entering the room can be estimated by counting the number of the user terminals which access the gateway successfully and fail, and the sum of the number of the user terminals which access the gateway successfully and fail can be equal to the number of people indoors.
In one embodiment, step S101 includes:
acquiring the number of indoor people according to the number of first user terminals accessing the wireless gateway;
or acquiring the number of indoor people according to the number of second user terminals accessing the wired gateway.
In application, the first user terminal is a mobile terminal, and as various mobile terminals are increasingly popularized, users usually carry mobile terminals capable of accessing the wireless gateway, so that the number of people entering any indoor place where the wireless gateway is located can be estimated by counting the number of the first user terminals accessing the wireless gateway, and the number of the first user terminals can be equal to the number of people in the indoor place.
In application, the second user terminal is a non-mobile terminal, and with the continuous popularization of various non-mobile terminals, users are usually equipped with non-mobile terminals capable of accessing the wired gateway for learning, entertainment or office, so that the number of people entering the indoor places where the wired gateway is located, such as a study room, an office, a factory building, an equipment control room, an internet cafe and the like, where the non-mobile terminals are often equipped can be estimated by counting the number of the second user terminals accessing the wired gateway, and the number of the second user terminals can be equal to the number of people in the indoor places.
In one embodiment, step S101 includes:
and acquiring the number of indoor people according to the larger of the number of the first user terminals accessing the wireless gateway and the number of the second user terminals accessing the wired gateway.
In applications where a user may both carry a mobile terminal with him and turn on a non-mobile terminal in certain locations, such as offices, home locations (especially bedrooms, study rooms, etc. where personal computers may be provided), an internet cafe may estimate the number of people entering the room based on the larger of the two numbers, and the larger of the number of first user terminals and the number of second user terminals may be made equal to the number of people in the room. In other cases, because it is generally impossible for a user to use both the mobile terminal and the non-mobile terminal at the same time, or in some special places, such as a factory building, a classroom, an examination room, etc., the user is not allowed to carry the mobile terminal with him or her, but it is not excluded that a factory manager, a teacher, and an inspector have the right to use the mobile terminal, the number of people entering the room can also be estimated by counting the number of first user terminals accessing the wireless gateway and the number of second user terminals accessing the wired gateway, and the sum of the number of first user terminals and the number of second user terminals can be made equal to the number of people in the room.
In one embodiment, step S101 includes:
acquiring the number of different user accounts in user accounts logged in by user terminals accessing a gateway, wherein each user terminal logs in one user account;
and acquiring the number of indoor people according to the number of the different user accounts.
In application, in some places, such as offices and home places (particularly places which may be equipped with personal computers, such as bedrooms and study rooms), a user may use a plurality of mobile terminals at the same time, and may also turn on one or more non-mobile terminals under the condition of using the mobile terminals, for which, because the user is usually used to set the same user account for the commonly used terminals, the number of people entering the room can be estimated by counting the number of different user accounts logged in by all user terminals accessing the gateway, and for the condition that a plurality of terminals use the same user account, the number of different user accounts can be made equal to the number of people in the room by counting the user account only once. The user account may include only a user name or may include both a user name and a password. The gateway can be set to only allow the access of the user terminal logging in the user account, and the user name can be set to be a unique identifier capable of distinguishing different users, such as an identity card number and a mobile phone number of the user, or a unique code consisting of letters or numbers set by the user in a user-defined mode.
In one embodiment, step S101 includes:
acquiring the number of different user accounts in user accounts logged in by user terminals accessing a gateway, wherein each user terminal logs in one user account;
acquiring the number of user terminals which access the gateway and do not log in the user account;
and acquiring the number of indoor people according to the number of the different user accounts and the number of the user terminals which do not log in the user accounts.
In the application, for some user terminals which do not relate to privacy information or do not need privacy protection, for example, a mobile terminal or a non-mobile terminal used by a user in a home location is not usually provided with a user account, and when the user terminals are used, the user account does not need to be logged in, so that the number of the user terminals which access the gateway and do not log in the user account can be further counted, then the number of people entering the room can be estimated according to the number of different user accounts and the number of the user terminals which do not log in the user account, and the sum of the number of the different user accounts and the number of the user terminals which do not log in the user account can be made equal to the number of people in the.
In application, the number of the user terminals and the number of the indoor people can also be measured by a number grade instead of a specific numerical value, for example, when the number of the user terminals or the number of the indoor people is greater than or equal to a first number threshold, the number grade of the user terminals or the number of the indoor people can be a first grade representing "many"; when the number of the user terminals or the number of the indoor people is smaller than the first number threshold and larger than the second number threshold, the number grade of the user terminals or the number of the indoor people can be a second grade representing 'middle'; the number rating of the user terminals or the number of the indoor people may be a third rating indicating "low" when the number of the user terminals or the number of the indoor people is less than or equal to the second number threshold.
In application, a first corresponding relation between the number of the user terminals and the number of the indoor people can be set in advance and stored in the internal storage space of the processor, so that when the number of the indoor people needs to be acquired according to the number of the user terminals, the corresponding number of the indoor people can be found in the internal storage space according to the number of the user terminals and the first corresponding relation. The first corresponding relationship may be a mapping relationship, and may exist in the form of a corresponding relationship Table, and the corresponding relationship Table may specifically be a Look-Up-Table (LUT), and may also exist in the form of a corresponding lookup result that can be searched and output by using other input data. The fresh air control device can also comprise a memory which is used for equivalently replacing the internal storage space to realize the data storage function. By establishing the first corresponding relation in advance, the corresponding indoor number of people can be quickly found according to the number of the user terminals, and the computing resources and the execution time of the processor are effectively saved.
And step S102, acquiring the indoor carbon dioxide concentration according to the number of the indoor people.
In application, normally, the mass of carbon dioxide discharged per unit time of each person is nearly constant and can be regarded as a measurable known value, and the indoor space volume is also a measurable known value, so that after the number of people in a room is determined, the indoor carbon dioxide mass concentration can be calculated according to the number of people in the room, the mass of carbon dioxide discharged per unit time of each person and the indoor space volume, and further, the indoor carbon dioxide volume concentration can be calculated according to a conversion formula of the gas mass concentration and the gas volume concentration.
In one embodiment, step S102 includes:
acquiring the mass concentration of indoor carbon dioxide according to the number of the indoor people, the mass of the carbon dioxide discharged by each person in unit time and the volume of the indoor space;
and acquiring the volume concentration of the indoor carbon dioxide according to the mass concentration of the indoor carbon dioxide, the indoor temperature and the indoor air pressure.
In application, the mass of carbon dioxide discharged by each person in unit time can be stored in the fresh air control device in advance as a known parameter, and can also be acquired by the fresh air control device through a network when the data is required to be used.
In application, the indoor space volume can be directly or indirectly communicated with the fresh air machine control equipment through the user terminal by a user and sent to the fresh air machine control equipment. Because the user can select the wireless gateway with the proper signal coverage range and the new fan with the proper amount power according to the size of the indoor space area when the wireless gateway or the new fan is installed, the indoor space area can be indirectly obtained according to the signal coverage range in the specification parameters of the wireless gateway or the amount power in the specification parameters of the new fan, and the indoor space volume can be calculated according to the indoor space area and the known indoor space height.
In one embodiment, before step S102, the method includes:
acquiring the volume of the indoor space according to the volume setting instruction;
or acquiring the volume of the indoor space according to the signal coverage range of the wireless gateway;
or acquiring the indoor space volume according to the rated power of the fresh air machine.
In application, the volume setting instruction can be input by a user through a human-computer interaction device of the fresh air control device according to actual needs, or sent to the fresh air control device through a user terminal in communication connection with the fresh air control device.
In application, the human-computer interaction device of the fresh air machine control device may include at least one of an entity key, a touch sensor, a gesture recognition sensor, and a voice recognition unit, so that a user may input an instruction in a corresponding touch mode, gesture control mode, or voice control mode. The physical keys and the touch sensor can be arranged at any position of the fresh air machine control device, such as a control panel. The touch manner of the physical key may be pressing or toggling. The touch manner of the touch sensor may be pressing or touching. The gesture recognition sensor can be arranged at any position outside the shell of the fresh air fan control device. The gesture for controlling the fresh air handling equipment can be set by a user according to actual needs in a user-defined mode or default setting in factory leaving. The voice recognition unit may include a microphone and a voice recognition chip, or may include only a microphone and be implemented by a processor of the fresh air control device. The voice for controlling the fresh air machine control equipment can be set by a user according to actual needs in a self-defining way or by default when the user leaves a factory. The man-machine interaction mode supported by the user terminal can be the same as that of the fresh air machine control equipment, and the description is omitted here.
In application, in order to avoid that the calculated value of the indoor carbon dioxide concentration is small, and the fresh air machine cannot be effectively ventilated and ventilated when being controlled to work according to the indoor carbon dioxide concentration, the indoor space volume should be calculated according to an upper limit value or an intermediate value of a signal coverage range of the wireless gateway, or a maximum applicable area or an intermediate applicable area corresponding to the quota power of the fresh air machine.
In application, the indoor temperature and the indoor air pressure can be stored in the fresh air control device in advance as known constant parameters, can be acquired by the fresh air control device through a network when the data is needed to be used, and can be sent to the fresh air control device by a user through a user terminal. Under the condition that the fresh air fan is provided with a temperature sensor and/or an air pressure sensor, the fresh air fan control equipment can also obtain the indoor temperature and/or the indoor air pressure through the fresh air fan.
In one embodiment, before step S102, the method includes:
acquiring indoor temperature according to a temperature setting instruction;
and acquiring indoor air pressure according to the air pressure setting instruction.
In the application, except for the volume setting instruction, other instructions that need to be executed by the fan control device may also be implemented in the same manner as the volume setting instruction, and are not described in detail in this embodiment of the application. The indoor temperature and the indoor atmospheric pressure acquisition mode that this application embodiment provided need not additionally to install equipment such as temperature sensor and baroceptor to need not to increase purchase and installation cost.
In one embodiment, the expression for the indoor carbon dioxide mass concentration is:
N1＝X*Q/V
wherein N1 represents the carbon dioxide mass concentration per unit time in milligrams per cubic meter (mg/m)3) X represents the mass of carbon dioxide emitted per person per unit time and V represents the volume of the indoor space;
the expression of the indoor carbon dioxide volume concentration is as follows:
N2＝N1/{(44/22.4)*[273/(273+T)]*(P/101325)}
wherein N2 represents the indoor carbon dioxide volume concentration in parts per million (ppm) per unit time at the indoor temperature and the indoor air pressure, 44 represents the molecular weight of carbon dioxide, T represents the indoor temperature, P represents the indoor air pressure, 101325 represents the standard atmospheric pressure in pascals (Pa).
In application, the unit time can be set to be 1 minute, 1 hour and the like according to actual needs, and the length of the unit time directly determines the frequency of acquiring the mass concentration of the carbon dioxide and the volume concentration of the carbon dioxide in the room, so that in order to avoid the waste of computing resources of the processor due to frequent computation, the unit time should be set to be a reasonable time which is relatively long and does not cause long-term non-work of the fresh air fan, for example, 1 hour.
In application, the level of the indoor carbon dioxide concentration may not be measured by a specific value, but may be measured by a gas concentration level or an air quality level, for example, when the indoor carbon dioxide concentration is greater than or equal to a first concentration threshold, the gas concentration level may be a first level indicating "high", and the air quality level may be a first level indicating "poor"; when the indoor carbon dioxide concentration is less than the first concentration threshold and greater than the second concentration threshold, the gas concentration level may be a second level indicative of "medium", and the air quality level may be a second level indicative of "good"; when the indoor carbon dioxide concentration is less than or equal to the second concentration threshold, the gas concentration level may be a third level indicating "low" and the air quality level may be a third level indicating "good".
In application, the second corresponding relation between the number of indoor people and the indoor carbon dioxide concentration can be set in advance and stored in the internal storage space of the processor, so that when the indoor carbon dioxide concentration is required to be obtained according to the number of indoor people, the corresponding indoor carbon dioxide concentration can be found in the internal storage space according to the number of indoor people and the second corresponding relation. The second corresponding relationship and the first corresponding relationship may exist in the same form, and are not described in detail herein. By establishing the second corresponding relation in advance, the corresponding indoor carbon dioxide concentration can be quickly found according to the number of indoor people, and the calculation resources and the execution time of the processor are effectively saved.
As shown in fig. 3, a table of correspondence between the indoor carbon dioxide volume concentration and the indoor air quality level is exemplarily shown.
And S103, controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration.
In application, the working state of the fresh air fan can be changed by adjusting the wind speed or the working mode of the fresh air fan. The wind speed is generally determined by the fan speed and the air valve opening, and when the indoor carbon dioxide concentration is higher, the wind speed should be adjusted to be higher, that is, the fan speed is adjusted to be higher, and the air valve opening is adjusted to be larger, whereas when the indoor carbon dioxide concentration is lower, the wind speed should be adjusted to be lower, that is, the fan speed is adjusted to be lower, and the air valve opening is adjusted to be lower. When the fresh air machine has different working modes corresponding to different indoor carbon dioxide concentrations, the fresh air machine can be adjusted to the corresponding working modes according to the indoor carbon dioxide concentrations.
In one embodiment, step S103 includes:
when the indoor carbon dioxide concentration is in a first concentration range, adjusting the wind speed grade of the fresh air fan to a first grade;
when the indoor carbon dioxide concentration is in a second concentration range, adjusting the wind speed level of the fresh air fan to a second level, wherein the lower limit value of the first concentration range is larger than the upper limit value of the second concentration range, and the wind speed of the fresh air fan under the first level is larger than the wind speed of the fresh air fan under the second level;
and when the indoor carbon dioxide concentration is in a third concentration range, adjusting the wind speed level of the fresh air fan to a third level, wherein the lower limit value of the second concentration range is larger than the upper limit value of the third concentration range, and the wind speed of the fresh air fan at the second level is larger than the wind speed of the fresh air fan at the third level.
In application, the first concentration range to the third concentration range may be set as specific concentration ranges corresponding to three carbon dioxide concentrations of "high", "medium", and "low" according to actual needs, for example, the first concentration range is [1000, + ∞ ], the second concentration range is [450,1000 ], and the third concentration range is [0,450] in ppm. The wind speed of the new wind turbine may also be measured not with a specific value but with a wind speed rating, e.g. when the wind speed is greater than or equal to a first wind speed threshold value, the wind speed rating may be a first rating characterizing "high"; when the wind speed is less than the first wind speed threshold and greater than the second wind speed threshold, the wind speed rating may be a second rating characterized as "medium"; when the wind speed is less than or equal to the second wind speed threshold, the wind speed level may be a third level that is characterized as "low".
In one embodiment, step S103 includes:
determining a working state corresponding to the indoor carbon dioxide concentration according to the indoor carbon dioxide concentration and a preset corresponding relation;
and controlling the fresh air fan to operate according to the working state corresponding to the indoor carbon dioxide concentration.
In application, a third corresponding relationship (that is, a preset corresponding relationship) between the indoor carbon dioxide concentration and the working state (specifically, the wind speed or the working mode) may be set in advance and stored in the internal storage space of the processor, so that when the working state of the fresh air fan needs to be controlled according to the indoor carbon dioxide concentration, the corresponding working state may be found in the internal storage space according to the indoor carbon dioxide concentration and the third corresponding relationship. The third corresponding relationship and the first corresponding relationship may exist in the same form, and are not described in detail herein. By establishing the third corresponding relation in advance, the corresponding working state can be quickly found according to the indoor carbon dioxide concentration, and the calculation resources and the execution time of the processor are effectively saved.
Fig. 4 exemplarily shows a correspondence table among the number of user terminals, the number of persons in a room, the concentration of carbon dioxide in a room, and the wind speed of the fresh air fan.
As shown in fig. 5, in an embodiment, the fresh air fan control method further includes:
step S104, obtaining the access time of the user terminal to access the gateway;
step S102, comprising:
s1021, acquiring indoor carbon dioxide concentrations at different times according to the access time and the number of the indoor people;
step S103, comprising:
and step S1031, according to the indoor carbon dioxide concentrations at different times, controlling the working states of the fresh air machine at different times.
In one embodiment, step S1021 includes:
acquiring the number of the indoor people at different times according to the access time and the number of the indoor people;
generating a user habit list for recording the number of indoor people at different times;
and acquiring indoor carbon dioxide concentrations at different times according to the user habit list.
In application, when a user terminal accesses the gateway, the access time can be obtained and recorded, so that the number of the user terminals accessing the gateway at different time points or time periods can be counted, and the number of people entering the room at different time points or time periods can be obtained, therefore, a user habit list of the user entering the room or accessing the gateway through the user terminal can be generated, when the corresponding time point or time period is reached subsequently according to the habit list, the fresh air control device can directly obtain the number of the people in the room at different time points or time periods according to the number of the user terminals at different time points or time periods recorded on the habit list, so as to obtain the indoor carbon dioxide concentration at different time points or time periods, further control the working state of the fresh air machine at different time points or time periods, and enable the fresh air control device not to be networked at any time, the function of controlling the working state of the fresh air machine can be automatically realized at corresponding time points or time periods in an off-line state.
In application, a fourth corresponding relationship between the time point or the time period and the working state of the new fan can be set in advance and stored in the internal storage space of the processor, so that when the current time reaches the corresponding time point or the corresponding time period, the corresponding working state can be searched in the internal storage space according to the time point or the time period and the fourth corresponding relationship. The fourth corresponding relationship and the first corresponding relationship may exist in the same form, and are not described in detail herein. By establishing the fourth corresponding relation in advance, the corresponding working state can be quickly found according to the current time, and the computing resources and the execution time of the processor are effectively saved.
In application, the new fan control system may also control the working state of the new fan by combining a user habit list of a historical record and the number of user terminals accessing the gateway acquired in real time, specifically, a fifth corresponding relationship between the number of the user terminals and the working state of the new fan may be set in advance and stored in an internal storage space of the processor, the corresponding working state may be found in the internal storage space according to the number of the user terminals and the fifth corresponding relationship, and then compared with the working state determined according to the current time, if the two working states are consistent, the new fan is controlled to operate according to the working state determined according to the current time or the number of the user terminals, and if the two working states are inconsistent, the wind speeds of the new fan in the two working states are compared, and the new fan is controlled to operate according to the working state with a larger wind speed. The fifth corresponding relationship and the first corresponding relationship may exist in the same form, and are not described in detail herein. By establishing the fifth corresponding relation in advance, the corresponding working state can be quickly found according to the number of the current user terminals, and the computing resources and the execution time of the processor are effectively saved.
In application, the access time may be obtained by the new fan control device through its built-in timer or through the network.
According to the fresh air machine control method, the indoor carbon dioxide concentration detector is not required to be additionally arranged, the indoor carbon dioxide concentration can be obtained only according to the number of the user terminals accessing the gateway, the fresh air machine is controlled to operate according to indoor carbon dioxide concentration feedback, the purchase and installation cost is not required to be increased, wiring is not required, and the maintenance difficulty is low.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The embodiment of the application also provides a fresh air machine control device, which is applied to fresh air machine control equipment and used for executing the method steps in the method embodiment. The device can be a virtual appliance (virtual application) in the fresh air control equipment, operated by a processor of the fresh air control equipment, or the fresh air control equipment itself.
As shown in fig. 6, a fresh air fan control device 100 according to an embodiment of the present invention includes:
the number obtaining unit 101 is used for obtaining the number of indoor people according to the number of user terminals accessing the gateway;
the concentration acquisition unit 102 is used for acquiring the indoor carbon dioxide concentration according to the number of the indoor people;
and the control unit 103 is used for controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration.
In one embodiment, the fresh air controller further comprises:
a volume acquisition unit for:
acquiring the volume of the indoor space according to the volume setting instruction;
or acquiring the volume of the indoor space according to the signal coverage range of the wireless gateway;
or acquiring the indoor space volume according to the rated power of the fresh air machine.
In one embodiment, the fresh air controller further comprises:
the temperature acquisition unit is used for acquiring the indoor temperature according to the temperature setting instruction;
and the air pressure acquisition unit is used for acquiring indoor air pressure according to the air pressure setting instruction.
In one embodiment, the fresh air controller further comprises:
and the time acquisition unit is used for acquiring the access time of the user terminal for accessing the gateway.
In application, each unit in the fresh air control device may be a software program unit, may also be implemented by different logic circuits integrated in the processor or an independent physical component connected with the processor, and may also be implemented by a plurality of distributed processors.
As shown in fig. 7, an embodiment of the present application further provides a fresh air handling machine control device 200, including: at least one processor 201 (only one processor is shown in fig. 7), a memory 202, and a computer program 203 stored in the memory 202 and executable on the at least one processor 201, further comprising a communication unit 204, the steps in the various method embodiments described above being implemented when the processor 201 executes the computer program 203.
In applications, the fresh air control device may include, but is not limited to, a communication unit, memory, a processor, and the like. Those skilled in the art will appreciate that fig. 7 is merely an example of a new fan control device and is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or different components, such as input output devices, network access devices, etc. The input and output device may comprise the human-computer interaction device, and may further comprise a display for displaying the operating parameters of the new fan control device.
In an Application, the Processor may be a Central Processing Unit (CPU), and the Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In some embodiments, the storage device may be an internal storage unit of the new air handling unit, for example, a hard disk or a memory of the new air handling unit. The memory may also be external to the air handler in other embodiments, such as a plug-in hard drive, Smart Media Card (SMC), Secure Digital (SD) Card, Flash memory Card (Flash Card), etc. provided on the air handler. The memory may also include both an internal storage unit for the fresh air control device and an external storage device. The memory is used for storing operating means, applications, Boot loaders (Boot loaders), data and other programs, such as program codes of computer programs, etc. The memory may also be used to temporarily store data that has been output or is to be output.
In application, the Display may be a Thin Film Transistor Liquid Crystal Display (TFT-LCD), a Liquid Crystal Display (LCD), an Organic electroluminescent Display (OLED), a Quantum Dot Light Emitting diode (QLED) Display, a seven-segment or eight-segment digital tube, and the like.
In application, the Communication unit may be configured as any device capable of performing wired or Wireless Communication with a user terminal directly or indirectly according to actual needs, for example, the Communication unit may provide a solution for Communication applied to a network device, including Wireless Local Area Networks (WLANs) (e.g., Wi-Fi Networks), bluetooth, Zigbee, Frequency Modulation (FM), Near Field Communication (NFC), Infrared technology (IR), and the like. The communication unit may include an antenna, and the antenna may have only one array element, or may be an antenna array including a plurality of array elements. The communication unit can receive electromagnetic waves through the antenna, frequency-modulate and filter electromagnetic wave signals, and send the processed signals to the processor. The communication unit can also receive a signal to be sent from the processor, frequency-modulate and amplify the signal, and convert the signal into electromagnetic waves through the antenna to radiate the electromagnetic waves.
It should be noted that, for the information interaction, execution process, and other contents between the above-mentioned devices/units, the specific functions and technical effects thereof are based on the same concept as those of the embodiment of the method of the present application, and specific reference may be made to the part of the embodiment of the method, which is not described herein again.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional units is merely illustrated, and in practical applications, the above distribution of functions may be performed by different functional units according to needs, that is, the internal structure of the apparatus may be divided into different functional units to perform all or part of the functions described above. Each functional unit in the embodiments may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the application. For the specific working process of the units in the above-mentioned apparatus, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
The embodiments of the present application further provide a computer-readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the steps in the above-mentioned method embodiments can be implemented.
The embodiment of the present application provides a computer program product, which when running on a new fan control device, enables the new fan control device to implement the steps in the above method embodiments.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the processes in the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium and can implement the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include at least: any entity or apparatus capable of carrying computer program code to a fresh air control device, a recording medium, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), an electrical carrier wave signal, a telecommunications signal, and a software distribution medium. Such as a usb-disk, a removable hard disk, a magnetic or optical disk, etc.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one type of logical function division, and other division manners may be available in actual implementation, for example, a plurality of units or components may be combined or integrated into another device, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (13)
1. A control method of a fresh air machine is characterized by comprising the following steps:
acquiring the number of indoor people according to the number of user terminals accessing the gateway;
acquiring the indoor carbon dioxide concentration according to the number of the indoor people;
and controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration.
2. The method for controlling the fresh air machine according to claim 1, wherein the obtaining of the number of indoor people according to the number of the user terminals accessing the gateway comprises:
acquiring the number of indoor people according to the number of first user terminals accessing the wireless gateway;
or acquiring the number of indoor people according to the number of second user terminals accessing the wired gateway.
3. The method for controlling the fresh air machine according to claim 1, wherein the obtaining of the number of indoor people according to the number of the user terminals accessing the gateway comprises:
and acquiring the number of indoor people according to the larger of the number of the first user terminals accessing the wireless gateway and the number of the second user terminals accessing the wired gateway.
4. The method for controlling the fresh air machine according to claim 1, wherein the obtaining of the number of indoor people according to the number of the user terminals accessing the gateway comprises:
acquiring the number of different user accounts in user accounts logged in by user terminals accessing a gateway, wherein each user terminal logs in one user account;
and acquiring the number of indoor people according to the number of the different user accounts.
5. The method for controlling the fresh air machine according to claim 1, wherein the step of obtaining the indoor carbon dioxide concentration according to the number of the indoor people comprises the following steps:
acquiring the mass concentration of the carbon dioxide according to the number of the indoor people, the mass of the carbon dioxide discharged by each person in unit time and the volume of the indoor space;
and acquiring the volume concentration of the indoor carbon dioxide according to the mass concentration of the indoor carbon dioxide, the indoor temperature and the indoor air pressure.
6. The fresh air machine control method according to claim 5, wherein before obtaining the indoor carbon dioxide concentration according to the number of the indoor people, the method comprises:
acquiring the volume of the indoor space according to the volume setting instruction;
or acquiring the volume of the indoor space according to the signal coverage range of the wireless gateway;
or acquiring the indoor space volume according to the rated power of the fresh air machine.
7. The fresh air machine control method according to any one of claims 1 to 6, wherein the controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration comprises:
when the indoor carbon dioxide concentration is in a first concentration range, adjusting the wind speed grade of the fresh air fan to a first grade;
when the indoor carbon dioxide concentration is in a second concentration range, adjusting the wind speed level of the fresh air fan to a second level, wherein the lower limit value of the first concentration range is larger than the upper limit value of the second concentration range, and the wind speed of the fresh air fan under the first level is larger than the wind speed of the fresh air fan under the second level;
and when the indoor carbon dioxide concentration is in a third concentration range, adjusting the wind speed level of the fresh air fan to a third level, wherein the lower limit value of the second concentration range is larger than the upper limit value of the third concentration range, and the wind speed of the fresh air fan at the second level is larger than the wind speed of the fresh air fan at the third level.
8. The fresh air machine control method according to any one of claims 1 to 6, wherein the controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration comprises:
determining a working state corresponding to the indoor carbon dioxide concentration according to the indoor carbon dioxide concentration and a preset corresponding relation;
and controlling the fresh air fan to operate according to the working state corresponding to the indoor carbon dioxide concentration.
9. The fresh air machine control method according to any one of claims 1 to 6, further comprising:
acquiring access time of a user terminal for accessing a gateway;
according to the number of people in the room, the indoor carbon dioxide concentration is obtained, and the method comprises the following steps:
according to the access time and the number of the indoor people, indoor carbon dioxide concentrations at different times are obtained;
according to indoor carbon dioxide concentration, the operating condition of new fan of control includes:
and controlling the working states of the fresh air machine at different times according to the indoor carbon dioxide concentrations at different times.
10. The fresh air machine control method according to claim 9, wherein the obtaining indoor carbon dioxide concentrations at different times according to the visit time and the number of indoor people comprises:
acquiring the number of the indoor people at different times according to the access time and the number of the indoor people;
generating a user habit list for recording the number of indoor people at different times;
and acquiring indoor carbon dioxide concentrations at different times according to the user habit list.
11. A control method of a fresh air machine is characterized by comprising the following steps:
the quantity obtaining unit is used for obtaining the number of indoor people according to the quantity of the user terminals accessing the gateway;
the concentration acquisition unit is used for acquiring the indoor carbon dioxide concentration according to the number of the indoor people;
and the control unit is used for controlling the working state of the fresh air machine according to the indoor carbon dioxide concentration.
12. A fresh air control apparatus comprising a communication unit, a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the fresh air control method according to any one of claims 1 to 10 when executing the computer program.
13. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the steps of the fresh air control method according to any one of claims 1 to 10.
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