CN112413840B - Air purification device, control method and device thereof, and storage medium - Google Patents
Air purification device, control method and device thereof, and storage medium Download PDFInfo
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- CN112413840B CN112413840B CN202011204092.7A CN202011204092A CN112413840B CN 112413840 B CN112413840 B CN 112413840B CN 202011204092 A CN202011204092 A CN 202011204092A CN 112413840 B CN112413840 B CN 112413840B
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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
- 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
- F24F11/77—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 by controlling the speed of ventilators
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
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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
- F24F2110/10—Temperature
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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 an air purification device and a control method, a device and a storage medium thereof, wherein the control method is based on the power of a heating element, the temperature difference value of a target temperature and an initial temperature value of an environment; and calculating the target air quantity, determining the target rotating speed corresponding to the target air quantity, and controlling the fan to operate according to the target rotating speed. The control method of the air purification device comprises a temperature initial adjustment step, wherein the target air volume is determined through the heating power and the temperature difference value, the target fan rotating speed is further obtained, the real-time temperature is adjusted to be close to the target temperature, then the real-time temperature is stabilized at the target temperature through the temperature fine adjustment step, the control purpose of constant sterilization temperature is achieved, and the energy consumption is reduced.
Description
Technical Field
The present disclosure relates to air purification devices, and particularly to an air purification device, a control method thereof, an air purification device, and a storage medium.
Background
Air purification devices such as air purifiers, disinfectors and the like have better and wider application range due to good effects on bacteria, viruses and the like in the air. Current air purification device adopts the filter screen to intercept virus, dust more, and virus, dust are attached to the filter screen surface after being intercepted, set up heating device at the filter screen upper reaches usually, disinfect to the filter screen. If the temperature of the filter screen does not reach the preset sterilization temperature, the sterilization effect cannot be realized, so that the important importance is to ensure that the temperature of the filter screen can be kept stable above the sterilization temperature.
The traditional method for controlling the temperature of the filter screen is controlled by PID, the working principle of the method is that the air volume is kept stable all the time during working, and the temperature of the filter screen is kept stable by adjusting the power of a heating body. The power of the heating element can be adjusted by adjusting the duty ratio and the like.
Since the temperature sensor cannot be directly arranged on the filter screen, the control mode can only be controlled by the temperature of the air flow. This control will cause a hysteresis effect between the screen temperature and the air flow temperature. The air heated by the filter screen is heated quickly, and the temperature of the temperature sensor does not reach the target temperature often, so that the temperature of the filter screen exceeds the target temperature already. And when the temperature of the temperature sensor reaches the upper limit and stops heating, the rapidly supplemented cold air causes the temperature of the filter screen to be rapidly reduced. This determines that the system temperature fluctuation is necessarily short in period and large in amplitude. The sterilization process usually has strict control requirements on the temperature of the filter screen, and particularly the temperature of the filter screen is not allowed to be lower than the lower temperature limit. Therefore, the temperature control system has a large thermal inertia and a large hysteresis property.
Disclosure of Invention
The invention aims to provide an air purification device, a control method and a control device thereof, and a storage medium, so as to solve the technical problem of poor sterilization effect caused by large temperature fluctuation of the conventional air purification device.
In order to achieve the above purpose, the air purification device, the control method thereof, the device thereof and the storage medium have the following specific technical scheme:
a control method of an air purification device comprises the following steps of temperature initial adjustment:
according to the power of the heating element, the temperature difference value of the target temperature and the initial temperature value of the environment;
and calculating the target air quantity, determining the target rotating speed corresponding to the target air quantity, and controlling the fan to operate according to the target rotating speed.
Further, in the step of determining the target rotating speed corresponding to the target air volume, the method further comprises the step of determining the relation between the air volume and the rotating speed, the fans are started, air volume values corresponding to different fan rotating speeds are respectively recorded, and linear fitting is carried out on the fan rotating speeds and the air volume to obtain the functional relation between the fan rotating speeds and the air volume.
Further, the target air volume is determined by heating power, air density, air specific heat capacity and a temperature difference value before and after heating.
Further, a target rotating speed corresponding to the target air volume is determined according to a functional relation between the rotating speed of the fan and the air volume.
Further, the method also comprises a temperature fine-tuning step: and when the fan runs stably at the target rotating speed, adjusting the rotating speed of the fan to stabilize the real-time temperature value to the target temperature value.
Further, after the fan runs stably at the target rotating speed, a real-time temperature value of the environment is obtained through the temperature sensor, a difference value between the real-time temperature value and the target temperature value is calculated, if the difference value is larger than a temperature difference threshold value, the rotating speed of the fan is increased, and if the difference value is smaller than the temperature threshold value, the rotating speed of the fan is reduced until the real-time temperature value is stable at the target temperature.
Further, the temperature difference threshold is 2-5 ℃, and the increase value or the decrease value of the rotating speed of the fan is 25-30 rpm.
A control device of an air cleaning device, comprising:
the temperature sensor is used for acquiring an environment real-time temperature value of the air purification device;
the air quantity sensor is used for acquiring the air quantity value of the air purification device;
the power module is used for adjusting the heating power of the heating body;
and the control module is used for presetting a target temperature value, acquiring a temperature difference value between the target temperature and the environment initial temperature value and the heating power of the heating element, calculating a target air volume and a target rotating speed, and controlling the fan to operate at the target rotating speed.
An air purification device comprising:
the temperature sensor is used for acquiring an environment real-time temperature value of the air purification device;
the air quantity sensor is used for acquiring the air quantity value of the air purification device;
the power module is used for adjusting the heating power of the heating body;
the air purification device comprises a memory and a processor, wherein the memory and the processor are mutually connected in a communication mode, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the control method of the air purification device.
A computer-readable storage medium storing computer instructions for causing a computer to execute the control method of the air cleaning apparatus described above.
The air purification device, the control method and the device thereof and the storage medium have the following advantages that:
the control method of the air purification device comprises a temperature initial adjustment step, wherein the target air volume is determined through the heating power and the temperature difference value, the target fan rotating speed is further obtained, the real-time temperature is adjusted to be close to the target temperature, then the real-time temperature is stabilized at the target temperature through the temperature fine adjustment step, the control purpose of constant sterilization temperature is achieved, and the energy consumption is reduced.
Drawings
FIG. 1 is a flow chart of the operation of the air cleaning apparatus of the present invention;
FIG. 2 is a flow chart of a second embodiment of the air cleaning device of the present invention;
fig. 3 is a schematic structural diagram of the air purification device of the present invention.
The reference numbers in the figures illustrate: 1. a controller; 2. a temperature sensor; 3. an air quantity sensor; 4. a power module; 5. a fan; 6. a heating element.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, an air purification device, a control method thereof, a device thereof and a storage medium thereof will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present application provides a control method of an air purification apparatus, which can be used in a sterilizer, an air purifier, and the like, the control method mainly comprising the following steps:
a temperature initial adjustment step: calculating a target air quantity according to the power of the heating element 6, the temperature difference value between the target temperature and the initial temperature value of the environment, determining a target rotating speed corresponding to the target air quantity, and controlling the fan 5 to operate according to the target rotating speed;
temperature fine adjustment: and detecting a real-time temperature value of the environment, reducing the rotating speed when the real-time temperature value is less than the target temperature, and increasing the rotating speed when the real-time temperature is greater than the target temperature until the real-time temperature is stabilized to the target temperature position. The target rotating speed is determined through calculation, the heating temperature can be quickly adjusted to be close to the target temperature, and the fluctuation of temperature adjustment is greatly reduced.
In the step of temperature initial adjustment, the method further comprises the step of determining the relation between the air volume and the rotating speed, the fans 5 are started, air volume values corresponding to the rotating speeds of the different fans 5 are respectively recorded, and linear fitting is carried out on the rotating speeds and the air volume of the fans 5 to obtain the functional relation between the rotating speeds and the air volume of the fans 5.
Starting the fan 5, respectively operating at 1250rpm, 1200rpm, 1150rpm, 1100rpm, 1050rpm, 1000rpm and 950rpm, after the fan 5 is stabilized, acquiring air volume values of the fan 5 at corresponding rotation speeds through the air volume sensor 3, wherein the air volume values are respectively 141.1m3/h、132.3m3/h、138.6m3/h、125.4m3/h、119.8m3/h、110.0m3/h、107.2m3And h, linear fitting is carried out by taking the rotating speed of the fan 5 as an abscissa and the air quantity as an ordinate, and the relation between the rotating speed v of the fan 5 and the air quantity Q is obtained as follows:
Q＝0.0036v，R2＝0.9116
wherein R is2Is a correlation coefficient, closer to 1 indicates better linear fit.
In the temperature initial adjustment step, before the heating element 6 is started, the controller 1 obtains an initial temperature value of the environment through the temperature sensor 2, and the temperature difference value is a difference value between the target temperature and the initial temperature value of the environment.
After the heating body 6 and the fan 5 are started, air flow is formed in an air channel of the air purification device, the filter screen is sterilized after being heated by the heating body 6, and in the process, the specific heat capacity is calculatedFormula (II) Q ═ CpM Δ T, Q P T, wherein Q is the heat quantity, which is the product of the heating power P and the time T, CpThe specific heat capacity of the air is related to the temperature, and when the temperature is 250K, the specific heat capacity C of the air at constant pressurepTaking 1.003kJ/(kg K), and when the temperature is 300K, the constant pressure specific heat capacity C of the airp1.005 kJ/(kg. multidot.K) is taken, m is the mass of air flowing through the heating element 6, and Δ t is the temperature difference value before and after heating.
During the air flowing process, the air mass m flowing through the heating element 6 can be obtained by the air quantity Q, the air density ρ and the time T, i.e., m is Q ρ T, wherein the air density ρ is a constant, and is usually 1.293Kg/m3Substituting the formula into the specific heat capacity formula can obtain:
Q＝P*3600/(C*ρ*Δt)。
namely, the air volume is determined by the heating power, the air density, the air specific heat capacity and the temperature difference value before and after heating.
And determining a target air quantity through the heating power and the temperature difference value before and after heating, determining a target rotating speed according to the relation between the air quantity and the rotating speed of the fan 5, and controlling the fan 5 to operate at the target rotating speed, so as to finish coarse temperature adjustment.
In order to better explain the control method of the air purification device in the embodiment of the present invention in detail, a specific embodiment for implementing the temperature initial adjustment step is given.
This embodiment comprises the steps of:
acquiring an initial temperature value and a target temperature of an environment, wherein if the initial temperature value is 25 ℃ and the target temperature is 85 ℃, the temperature difference value delta t between the target temperature and the initial temperature value is 60 ℃;
when the voltage across the heating element 6 is 210V and the equivalent resistance of the heating element 6 is 26.89 Ω, the heating power P of the heating element 6 is 1640W;
substituting the temperature difference value and the heating power into a conversion formula of a specific heat capacity formula to obtain the target air volume of the fan 5 of 72.38m3/h；
Substituting the target air volume into the functional relation between the rotating speed of the fan 5 and the air volume to obtain that the target rotating speed of the fan 5 is 637rpm and the temperature of the filter screen can be kept to reach the target temperature.
As shown in fig. 2, when the fan 5 operates stably at the target rotational speed, the difference between the actual temperature and the target temperature is reduced by the temperature fine adjustment step due to the influence of the environment, the product itself, and other factors. The real-time temperature value of the environment is obtained through the temperature sensor 2, the difference value between the real-time temperature value and the target temperature value is calculated, if the difference value is larger than the temperature difference threshold value, the rotating speed of the fan 5 is increased until the real-time temperature value is stabilized at the target temperature, and if the difference value is smaller than the temperature threshold value, the rotating speed of the fan 5 is reduced until the real-time temperature value is stabilized at the target temperature.
The temperature threshold value can be set to be 2-5 ℃, and the increasing value or the decreasing value of the rotating speed of the fan 5 is 25-30 rpm.
The application also discloses air purification device's controlling means, air purification device includes the wind channel, along the circulation of air direction, sets gradually heat-generating body 6, filter screen and fan 5 in the wind channel, and controlling means includes:
the temperature sensor 2 is arranged in the air duct, is close to the filter screen and is used for acquiring an environmental temperature value;
the air quantity sensor 3 is arranged at an air outlet of the air channel and used for acquiring an air quantity value in the air channel;
the power module 4 is used for adjusting the heating power of the heating body 6;
and the control module is used for presetting a target temperature value, acquiring a temperature difference value between the target temperature and the environment initial temperature value and heating power of the heating body 6, calculating a target air volume and a target rotating speed, and controlling the fan 5 to operate at the target rotating speed.
The heating body 6 is a heating fin with fixed heating power, and the purpose of heating the filter screen is realized by heating the air in the air duct.
The fan 5 adopts a direct current fan, air flow can be formed in the air duct, the filter screen is sterilized after being heated by the heating body 6, and the rotating speed of the direct current fan does not change along with the change of voltage.
The application also discloses an air purification device includes:
the temperature sensor 2 is arranged in the air duct, is close to the filter screen and is used for acquiring an environmental temperature value;
the air quantity sensor 3 is arranged at an air outlet of the air channel and used for acquiring an air quantity value in the air channel;
the power module 4 is used for adjusting the heating power of the heating body 6;
the air purification device comprises a memory and a processor, wherein the memory and the processor are mutually communicated and connected, the memory is stored with computer instructions, and the processor executes the computer instructions to execute the control method of the air purification device.
The processor may be a Central Processing Unit (CPU). 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, or combinations thereof.
The memory, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as program instructions/modules corresponding to the control method of the air purification apparatus in the embodiments of the present invention. The processor executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory, namely, the control method of the air purifier is realized.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory and, when executed by the processor, perform the control method of the air purifier described above.
It will be understood by those skilled in the art that all or part of the processes of 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 when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
The control method of the air purification device comprises a temperature initial adjustment step, wherein the target air volume is determined through the heating power and the temperature difference value, the rotating speed of the target fan 5 is further obtained, the real-time temperature is adjusted to be close to the target temperature, then the real-time temperature is stabilized at the target temperature through the temperature fine adjustment step, the control purpose of constant sterilization temperature is achieved, and the energy consumption is reduced.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides an air purification device's control method, air purification device includes the wind channel, along the circulation of air direction, sets gradually heat-generating body, filter screen and fan in the wind channel, is close to filter screen department in the wind channel and sets up temperature sensor for obtain the temperature value of environment, and the air outlet department in wind channel is equipped with air sensor, is used for obtaining the air volume value in the wind channel, its characterized in that, the method includes:
a temperature initial adjustment step: before the heating element (6) is started, calculating the target air volume in the air duct according to the power of the heating element (6), the temperature difference value between the preset target temperature and the initial temperature value of the environment;
determining a target rotating speed of the fan corresponding to the target air quantity, and controlling the fan (5) to operate according to the target rotating speed;
further comprises a temperature fine-tuning step: and when the fan (5) operates stably at the target rotating speed, adjusting the rotating speed of the fan (5) to stabilize the real-time temperature value to the target temperature value.
2. The control method of the air purification device according to claim 1, wherein in the step of determining the target rotation speed corresponding to the target air volume, the method further comprises the step of determining the relationship between the air volume and the rotation speed, the fan (5) is started, air volume values corresponding to different fan (5) rotation speeds are respectively recorded, and the fan (5) rotation speed and the air volume are subjected to linear fitting to obtain the functional relationship between the fan (5) rotation speed and the air volume.
3. The control method of the air cleaning apparatus according to claim 2, wherein the target air volume is determined by heating power, air density, air specific heat capacity, and a temperature difference value before and after heating.
4. The control method of the air purification apparatus according to claim 2, wherein a target rotation speed corresponding to the target air volume is determined according to a functional relationship between the rotation speed of the fan (5) and the air volume.
5. The control method of the air purification device according to claim 1, wherein after the fan (5) operates stably at the target rotational speed, a real-time temperature value of the environment is obtained through the temperature sensor (2), and a difference between the real-time temperature value and the target temperature value is calculated, if the difference is greater than a temperature difference threshold, the rotational speed of the fan (5) is increased, and if the difference is less than the temperature threshold, the rotational speed of the fan (5) is decreased until the real-time temperature value is stabilized at the target temperature.
6. The control method of the air cleaning apparatus according to claim 5, wherein the temperature difference threshold is 2 ℃ to 5 ℃, and the increase or decrease of the rotation speed of the fan (5) is 25rpm to 30 rpm.
7. The utility model provides an air purification device's controlling means, air purification device includes the wind channel, along the circulation of air direction, sets gradually heat-generating body, filter screen and fan in the wind channel, is close to filter screen department in the wind channel and sets up temperature sensor, and the air outlet department in wind channel is equipped with air sensor, its characterized in that, the device includes:
the temperature sensor (2) is used for acquiring the environment real-time temperature value of the air purification device before the heating element (6) is started;
the air quantity sensor (3) is used for acquiring the air quantity value of the air purification device;
the power module (4) is used for adjusting the heating power of the heating body (6);
the control module is used for presetting a target temperature value, acquiring a temperature difference value between a preset target temperature and an environment initial temperature value and heating power of the heating element (6), calculating target air quantity in the air duct and target rotating speed of the fan, and controlling the fan (5) to operate at the target rotating speed; and the temperature control device is also used for adjusting the rotating speed of the fan (5) after the fan (5) operates stably at the target rotating speed, so that the real-time temperature value is stabilized to the target temperature value.
8. An air purification apparatus, comprising:
the temperature sensor (2) is used for acquiring an environment real-time temperature value of the air purification device;
the air quantity sensor (3) is used for acquiring the air quantity value of the air purification device;
the power module (4) is used for adjusting the heating power of the heating body (6);
a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the method of controlling the air cleaning apparatus according to any one of claims 1 to 6.
9. A computer-readable storage medium storing computer instructions for causing a computer to execute the control method of the air cleaning apparatus according to any one of claims 1 to 6.
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| CN113093832B (en) * | 2021-03-31 | 2022-12-06 | 追觅科技(上海)有限公司 | Air supply device, air temperature control method thereof, electronic device and computer readable medium |
| CN113091280B (en) * | 2021-04-13 | 2022-09-02 | 青岛海尔空调器有限总公司 | Air speed control method and device for heating air-out equipment and heating air-out equipment |
| CN113251654A (en) * | 2021-04-15 | 2021-08-13 | 青岛海尔空调器有限总公司 | Warm air blower and air speed control method thereof |
| CN114183781B (en) * | 2021-11-16 | 2023-11-17 | 华帝股份有限公司 | Kitchen range, control method thereof and integrated kitchen range |
| CN115509276B (en) * | 2022-10-10 | 2024-05-07 | 厦门锐创节能科技有限公司 | Calculation method and monitoring device for heating or refrigerating power of equipment based on space meshing |
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| CN111336659A (en) * | 2020-03-13 | 2020-06-26 | 广东美的制冷设备有限公司 | Air conditioner, method of sterilizing the same, and computer-readable storage medium |
| CN111780367A (en) * | 2020-06-30 | 2020-10-16 | 青岛海尔空调器有限总公司 | Method and device for controlling temperature of filter screen and air conditioner |
| CN111750451A (en) * | 2020-07-06 | 2020-10-09 | 珠海格力电器股份有限公司 | Air sterilizer, air sterilizing method, device, system and storage medium |
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