Wind speed control method, device, air purifier, electronic device and storage medium

Abstract

The present invention relates to the field of air purifiers, and discloses a wind speed control method, device, air purifier, electronic device and storage medium. The method is applied to an air purifier and includes: obtaining the light intensity of the current environment; controlling the wind speed of the air purifier based on the light intensity. By obtaining the light intensity of the current environment and controlling the wind speed of the air purifier based on the light intensity, for example, when the user needs to rest at night, after turning off the lights, the light becomes dim, and the air purifier is controlled to operate at a preset minimum wind speed, which not only saves electricity but also avoids excessive wind speed and the generated noise from disturbing the user's rest; when the light intensity is high during the day and the light becomes bright, the air purifier is intelligently controlled to operate at a corresponding wind speed, and corresponding wind speed operation modes can be set for different light intensities. Therefore, the wind speed of the purifier can be intelligently adjusted according to different scenarios of the user without the need for the user to operate physical buttons, improving the intelligence level of the air purifier.

Description

Technical Field

[0001] The present invention relates to the field of air purifiers, and particularly to a method and device for controlling the wind speed, an air purifier, an electronic device, and a storage medium. Background Art

[0002] An air purifier, also known as an "air cleaner", an air freshener, or a purifier, refers to a product that can adsorb, decompose, or transform various air pollutants (generally including PM2.5, dust, pollen, odor, decoration pollution such as formaldehyde, bacteria, allergens, etc.), and can effectively improve the air cleanliness. It is mainly divided into household, commercial, industrial, and building types. There are various different technologies and media in air purifiers, enabling them to provide clean and safe air to users. Existing air purifiers mostly adopt a composite type, that is, they simultaneously use multiple purification technologies and material media.

[0003] Currently, the function selection of purifiers generally involves the user operating to select different wind speeds or purification modes. After the user makes a selection, the purifier operates in the selected state all the time and cannot intelligently adjust the wind speed of the purifier according to different scenarios of the user, resulting in a low degree of intelligence. Summary of the Invention

[0004] Therefore, the present invention aims to solve the technical problem that the existing air purifiers cannot intelligently adjust the wind speed of the purifier according to different scenarios of the user, resulting in a low degree of intelligence.

[0005] The above invention object is mainly achieved through the following technical solutions:

[0006] In a first aspect, a method for controlling the wind speed includes:

[0007] Obtaining the illumination intensity of the current environment;

[0008] Controlling the wind speed of the air purifier based on the illumination intensity.

[0009] In a second aspect, a device for controlling the wind speed includes:

[0010] A first obtaining module for obtaining the illumination intensity of the current environment;

[0011] A wind speed control module for controlling the wind speed of the air purifier based on the illumination intensity.

[0012] In a third aspect, an air purifier includes a controller for implementing the wind speed control method described in the first aspect, an air quality sensor installed at the air inlet of the air purifier, and a photosensitive sensor installed at the air outlet of the air purifier. The air quality sensor is used to collect the pollutant concentration, and the photosensitive sensor is used to collect the light intensity of the current environment. According to the light intensity of the current environment collected by the photosensitive sensor, the air purifier is intelligently controlled to operate at a corresponding wind speed. Corresponding wind speed operation modes can be set for different light intensities. Therefore, the air purifier can intelligently adjust the wind speed according to different scenarios of users without the need for users to operate physical buttons, improving the intelligence level of the air purifier.

[0013] In a fourth aspect, an electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the wind speed control method as described above are implemented.

[0014] In a fifth aspect, a computer-readable storage medium stores a computer program. When the computer program is executed by a processor, the steps of the wind speed control method as described above are implemented.

[0015] Beneficial effects compared with the prior art: The wind speed control method of the present invention is applied to an air purifier. By obtaining the light intensity of the current environment and controlling the wind speed of the air purifier based on the light intensity. For example, when the user needs to rest at night, after turning off the lights, the light becomes dim, and the air purifier is controlled to operate at a preset minimum wind speed, which not only saves electricity but also avoids excessive wind speed and the resulting noise interfering with the user's rest. Another example is that when the light intensity is high during the day and the light becomes bright, the air purifier is intelligently controlled to operate at a corresponding wind speed. Corresponding wind speed operation modes can be set for different light intensities. Therefore, the present invention can intelligently adjust the wind speed of the purifier according to different scenarios of users without the need for users to operate physical buttons, improving the intelligence level of the air purifier. Description of the Drawings

[0016] Figure 1 It is a schematic flow chart of the wind speed control method in an embodiment of the present invention;

[0017] Figure 2 It is a schematic structural diagram of the wind speed control device in an embodiment of the present invention;

[0018] Figure 3 It is a schematic structural diagram of the air purifier in an embodiment of the present invention;

[0019] Figure 4 It is a schematic structural diagram of the electronic device in an embodiment of the present invention. Detailed Embodiments

[0020] To enable those skilled in the art to better understand the solution of the present invention, the following will clearly and completely describe the technical solution in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0021] A wind speed control method provided by an embodiment of the present invention is applied to an air purifier, as Figure 1 shown, and includes the following steps:

[0022] Step S1, obtaining the light intensity of the current environment; the light intensity can be collected by a photosensitive sensor installed at the air outlet of the air purifier, and then the photosensitive sensor sends the collected light intensity to the controller that executes the wind speed control method of the present invention, that is, the execution subject of the wind speed control method can be a processing device or a controller installed in the air purifier main body, etc. In addition, the installation position of the photosensitive sensor is not limited to being installed at the air outlet of the air purifier, and it can also be installed on the top or side of the air purifier, and the present invention can be adjusted according to the actual application scenario without specific limitation.

[0023] Step S2, judging the magnitude of the obtained light intensity. If the light intensity ≤ the first light intensity, then go to step S3; otherwise, go to step S4. The preset value of the first light intensity can be adjusted according to the actual application scenario. For example, 10 lx (lx, lux, is the unit of light intensity). When the magnitude of the light intensity ≤ 10 lx, it indicates that the light in the environment is dim at this time, and the user needs a darker environment to rest or the air outlet is blocked by foreign objects (when the photosensitive sensor is installed at the air outlet of the air purifier). At this time, it is a scene suitable for the user to rest, and the high noise interference caused by too high a wind speed should be reduced. Therefore, the air purifier is controlled to operate at a preset first wind speed V1. Preferably, V1 can be set as the minimum wind speed of the air purifier.

[0024] Step S3, controlling the air purifier to operate at a preset first wind speed V1; as can be seen from the above, the current environment should be set to be suitable for the user to rest, and the noise should be controlled below 35 dB at this time for the best. Therefore, the setting of the first wind speed V1 can also be set according to the noise requirement at this time.

[0025] Step S4, determine whether the magnitude of the obtained light intensity is ≥ the second light intensity. If so, go to step S5; otherwise (i.e., when the first light intensity < the light intensity < the second light intensity), go to step S7. The second light intensity > the first light intensity. The setting of the second light intensity can refer to the ambient light intensity when the light is relatively bright during the day for a long time. At this time, the light intensity is not only greater than the first light intensity but also greater than the second light intensity, indicating that the current environment is a daytime or brightly lit environment at night. At this time, the wind speed is usually related to the air quality.

[0026] Step S5, obtain the air quality of the current environment; it can be collected through an air quality sensor installed at the air inlet of the air purifier. Then, the air quality sensor sends the collected air quality data to the controller that executes the wind speed control method of the present invention, that is, the execution subject of the wind speed control method can be a processing device or a controller installed in the air purifier main body, etc. In addition, the installation position of the air quality sensor is not limited to being installed at the air inlet of the air purifier (which is beneficial for more quickly and effectively collecting air quality data), and it can also be installed at the air outlet, top or side of the air purifier. The present invention can be adjusted according to the actual application scenario without specific limitation. The air quality data includes, for example, the concentration of pollutants in the air, such as formaldehyde concentration, PM2.5 concentration, etc.

[0027] Step S6, control the air purifier to operate at the third wind speed V3 based on the air quality; at this time, the wind speed is related to the air quality, and the wind speed size is intelligently adjusted according to the change of the air quality data, solving the technical problem in the prior art that the air purifier cannot effectively adjust the wind speed of the air purifier in a timely manner according to the changing air quality, thereby reducing the air purification efficiency. By detecting the air quality of the current environment and correspondingly controlling the wind speed of the air purifier based on the air quality, it is dynamically adjusted based on the air quality, which is beneficial to improving the air purification efficiency of the air purifier.

[0028] In an implementable preferred embodiment, when the magnitude of the light intensity ≥ the second light intensity, the air purifier is controlled to operate at a preset second wind speed V2; V2 > V1, and the second light intensity > the first light intensity. The setting of the second light intensity can refer to the environmental light intensity when the light is relatively bright during the day for a long time. At this time, the light intensity is not only greater than the first light intensity but also greater than the second light intensity, indicating that the current environment is a daytime or brightly lit environment at night. It operates at a fixed wind speed of the set second wind speed V2. The purpose at this time is to quickly achieve air purification. Therefore, V2 can be set as the maximum wind speed of the air purifier. When the air quality reaches the preset standard value, the air quality of the current environment can be detected in real time through an air quality sensor. For example, the concentration of pollutants in the air is detected, such as including the formaldehyde concentration, PM2.5 concentration, etc. When the air purifier operates at the second wind speed V2, until the detected PM2.5 concentration ≤ 150 ug / m 3 , or, the formaldehyde concentration ≤ 0.2 mg / m 3 , then it switches to other wind speeds for operation, which is beneficial to achieving the purpose of quickly purifying the air, reducing the toxicity of pollutants, and being beneficial to the physical health of users.

[0029] In an implementable preferred embodiment, the calculation formula for the third wind speed V3 in step S6 is as follows:

[0030] V3 = k1 * C;

[0031] Wherein, V3 represents the third wind speed, k1 represents the first wind speed coefficient, and C represents the pollutant concentration.

[0032] Step S7, control the air purifier to operate at a fourth wind speed V4 based on the air quality and / or the light intensity. In the current environment, the wind speed of the air purifier is related to the light intensity and the air quality. The wind speed of the air purifier is jointly regulated according to the light intensity and the air quality, making the wind speed control more precise. The magnitude of the wind speed is intelligently adjusted with the changes in the air quality and the light intensity, which is beneficial to improving the air purification efficiency of the air purifier and further improving the degree of intelligence of the air purifier.

[0033] In an implementable preferred embodiment, step S7 specifically includes:

[0034] Calculate the change rate of light intensity per unit time according to the light intensity; judge the change trend of the light intensity in the current environment based on the change rate of light intensity per unit time, select a corresponding wind speed calculation model according to the change trend of the light intensity, and use the wind speed calculation model to calculate the fourth wind speed V4 based on the air quality and / or the light intensity; control the air purifier to operate at the fourth wind speed V4. It can better adapt to various changes in the environment, such as the gradual increase, gradual decrease, stabilization, and sudden change of light intensity. According to different environmental changes, select the corresponding wind speed calculation model to calculate the fourth wind speed, so that the air purifier operates at the fourth wind speed. On the basis of the above embodiments, the efficiency of air purification and the intelligence level of the air purifier are further improved, and the user experience is better.

[0035] In a feasible and preferred embodiment, judging the change trend of the light intensity in the current environment based on the change rate of light intensity per unit time, and selecting a corresponding wind speed calculation model according to the change trend of the light intensity includes:

[0036] If then it is determined that the change trend of the light intensity is gradually increasing, and the first wind speed model is selected. The first wind speed model is constructed based on the first wind speed coefficient and the second wind speed coefficient, and the second wind speed coefficient < the first wind speed coefficient;

[0037] If then it is determined that the change trend of the light intensity is gradually decreasing, and the second wind speed model is selected. The second wind speed model is constructed based on the second wind speed coefficient;

[0038] If then it is determined that the change trend of the light intensity is tending to be stable, and the third wind speed model is selected. The third wind speed model is constructed based on the third wind speed coefficient, and the third wind speed coefficient < the second wind speed coefficient;

[0039] If then it is determined that the change trend of the light intensity is a sudden change, and the fourth wind speed model is selected. The fourth wind speed model is constructed based on the light intensity;

[0040] Wherein, is the change rate of light intensity per unit time, ΔE is the change amount of light intensity per unit time, Δt is the unit time; a is the allowable fluctuation value, a real number greater than 0, and b is the sudden change fluctuation value, a real number greater than 0.

[0041] Judge the change trend of the change rate of the light intensity per unit time according to the allowable fluctuation value; when the change trends of the light intensity are gradually increasing, gradually decreasing, tending to be stable, and sudden change of the light intensity respectively, select the first wind speed model, the second wind speed model, the third wind speed model, and the fourth wind speed model correspondingly to calculate the fourth wind speed, and control the air purifier to operate at the fourth wind speed. When the change trend of the light intensity is gradually increasing, it indicates that the light brightness is high and the change is fast. At this time, the first wind speed model is jointly constructed based on the first wind speed coefficient and the second wind speed coefficient, and a larger wind speed is required at this time; when the change trend of the light intensity is gradually decreasing, it indicates that the light brightness is gradually dimming, and the required wind speed is smaller than that when the change trend of the light intensity is gradually increasing. Therefore, at this time, only the second wind speed coefficient is used to construct the second wind speed model to calculate the fourth wind speed, where the second wind speed coefficient is smaller than the first wind speed coefficient; when the change trend of the light intensity tends to be stable, at this time, the adjustment of the wind speed has little to do with the light brightness and has a greater relationship with the air quality. And in a relatively moderate light brightness environment, the light brightness gradually weakens from strong and tends to be stable. At this time, the required wind speed is smaller than that when the change trend of the light intensity is gradually decreasing. Therefore, at this time, the third wind speed coefficient is used to construct the third wind speed model to calculate the fourth wind speed, where the third wind speed coefficient is smaller than the second wind speed coefficient; when the change trend of the light intensity is a sudden change, the light brightness suddenly changes from bright to dark, indicating that the user needs a darker environment to rest or the air outlet is blocked by foreign objects (when the photosensitive sensor is installed at the air outlet of the air purifier). At this time, it is a scene suitable for the user to rest, and the high noise interference caused by too large a wind speed should be reduced. Therefore, the fourth wind speed model is constructed based on the light intensity. For example, the air purifier can be operated at the minimum wind speed to reduce noise. Through the above method, it can better adapt to various changes in the environment, including the gradual increase, gradual decrease, tending to be stable, and sudden change of the light intensity, etc. According to different environmental change situations, the corresponding wind speed model is selected to calculate the fourth wind speed so that the air purifier operates at the fourth wind speed. On the basis of the above embodiments, the purification efficiency and the degree of intelligence of the air purifier can be further improved, and the user experience is better.

[0042] In an implementable preferred embodiment, the calculation formula for determining the fourth wind speed V4 according to the first wind speed model is as follows:

[0043] V4 = k2 * C + e1 * E;

[0044]

[0045] Among them, k2 is the second wind speed coefficient, k2 < k1, e1 represents the first light and wind speed coefficient, and E represents the light intensity. It is applicable to scenarios with high light intensity, where a high wind speed is required to achieve the purpose of quickly purifying the air. The fourth wind speed is jointly determined by air quality, light intensity, the first wind speed coefficient, and the second wind speed coefficient.

[0046] In an implementable preferred embodiment, the calculation formula for determining the fourth wind speed V4 according to the second wind speed model is as follows:

[0047]

[0048] e2 = 1000(k2 * C - V1);

[0049] Among them, k2 is the second wind speed coefficient, k2 < k1, e2 represents the second light and wind speed coefficient, and E represents the light intensity. It is applicable to scenarios where the light intensity changes from large to small. A relatively high wind speed is required, but it is less than the wind speed in the above scenario, to achieve the purpose of both quickly purifying the air and reducing noise. The fourth wind speed is jointly determined by air quality, light intensity, and the second wind speed coefficient.

[0050] In an implementable preferred embodiment, the calculation formula for determining the fourth wind speed V4 according to the third wind speed model is as follows:

[0051] V4 = k3 * C;

[0052] Among them, k3 represents the third wind speed coefficient, k3 < k2. It is applicable to the scenario where the light intensity changes from strong to dark until it stabilizes, and a relatively low wind speed is appropriate. At this time, the wind speed is only related to air quality. While purifying the air, noise interference should be minimized as much as possible. Therefore, a third wind speed coefficient smaller than both k2 and k1 is set. Different from k1, k1 is in the case of the maximum light intensity, and the purpose is to purify the air more quickly. Therefore, a larger wind speed is required. In this formula, in the case where the light intensity tends to be stable, only a smaller wind speed is required, with the best balance between air purification and low noise.

[0053] In an implementable preferred embodiment, the calculation formula for determining the fourth wind speed V4 according to the fourth wind speed model is as follows: V4 = V min ,V min represents the minimum wind speed of the air purifier.

[0054] When the change trend of the light intensity is an intensity mutation, it indicates that the light intensity of the current environment mutates, suddenly changing from bright to dark, indicating that the user needs a darker environment to rest or the air outlet is blocked by foreign objects (when the photosensitive sensor is installed at the air outlet of the air purifier). At this time, it is a scenario suitable for the user to rest, and the high noise interference caused by too high a wind speed should be reduced. Therefore, the air purifier is controlled to operate at the preset minimum wind speed V minRun.

[0055] In a preferred embodiment based on the above, the pollutant concentration is determined according to the concentrations of multiple pollutants. It can be understood that the air quality sensor of the present invention can be a dust sensor for collecting the concentration of PM2.5, or a formaldehyde sensor for collecting the formaldehyde concentration, or a TVOC (Total Volatile Organic Compounds) sensor for collecting the concentration of volatile organic compounds, or a multi-in-one sensor for simultaneously detecting the concentrations of multiple pollutants. Therefore, when using a multi-in-one sensor or simultaneously installing multiple sensors for detecting pollutants in an air purifier, and when multiple pollutant concentrations are detected simultaneously, the pollutant concentration is determined according to the concentrations of multiple pollutants, and then the corresponding wind speed is calculated according to the pollutant concentration, so that the wind speed regulation is more precise, and at the same time it is more adaptable to the purification of complex air pollutants in the current environment. Determining the corresponding wind speed for multiple pollutant concentrations is beneficial to improving the air purification efficiency and making the purification effect better.

[0056] In a preferred embodiment based on the above, the pollutant with the greatest harm degree is selected as the target pollutant according to the preset pollutant harm degree rule, and the concentration corresponding to the target pollutant is used as the pollutant concentration C. It can be understood that the air quality sensor of the present invention can be a dust sensor for collecting the concentration of PM2.5, or a formaldehyde sensor for collecting the formaldehyde concentration, or a TVOC (Total Volatile Organic Compounds) sensor for collecting the concentration of volatile organic compounds, or a multi-in-one sensor for simultaneously detecting the concentrations of multiple pollutants. Therefore, when using a multi-in-one sensor or simultaneously installing multiple sensors for detecting pollutants in an air purifier, and when multiple pollutant concentrations are detected simultaneously, the pollutant with the greatest harm degree is selected as the target pollutant according to the preset pollutant harm degree rule. For example, the preset pollutant harm degree rule is: the harm degree of formaldehyde > the harm degree of volatile organic compounds > the harm degree of dust. Therefore, when the formaldehyde concentration and the volatile organic compound concentration are detected, the formaldehyde concentration is used as the pollutant concentration C in the above formula; when the volatile organic compound concentration and the PM2.5 concentration are detected, the volatile organic compound concentration is used as the pollutant concentration C in the above formula. In this way, the pollutant with the greatest harm degree in the air can be purified at the fastest speed, the concentration of this pollutant can be reduced, the air purification efficiency can be improved, the toxicity of the pollutants can be reduced, the air purification effect can be improved, and it is beneficial to the physical health of users.

[0057] Finally, it should be noted that in the present invention, the wind speed is controlled by controlling the motor speed of the air purifier.

[0058] The present invention also provides a wind speed control device 10, as Figure 2 shown, including:

[0059] A first acquisition module 101, configured to acquire the light intensity of the current environment;

[0060] A wind speed control module 102, configured to control the wind speed of the air purifier based on the light intensity.

[0061] In a preferred embodiment based on the above, the wind speed control module 102 includes:

[0062] A first wind speed control unit 10201, configured to control the air purifier to operate at a preset first wind speed V1 if the light intensity ≤ a first light intensity.

[0063] In a preferred embodiment based on the above, the wind speed control module 102 includes:

[0064] A second wind speed control unit 10202, configured to control the air purifier to operate at a preset second wind speed V2 if the light intensity ≥ a second light intensity; V2 > V1, and the second light intensity > the first light intensity.

[0065] In a preferred embodiment based on the above, the wind speed control module 102 includes:

[0066] A third wind speed control unit 10203, configured to control the air purifier to operate at a third wind speed V3 based on the air quality of the current environment if the light intensity ≥ the second light intensity; the second light intensity > the first light intensity; wherein, the air quality is acquired by a second acquisition module.

[0067] In a preferred embodiment based on the above, the third wind speed control unit 10203 determines the third wind speed V3 according to the following calculation formula:

[0068] V3 = k1 * C;

[0069] wherein, V3 represents the third wind speed, k1 represents a first wind speed coefficient, and C represents the pollutant concentration.

[0070] In a preferred embodiment based on the above, the wind speed control module 102 includes:

[0071] A fourth wind speed control unit 10204, configured to control the air purifier to operate at a fourth wind speed V4 based on the air quality and / or the light intensity if the first light intensity < the light intensity < the second light intensity.

[0072] In a preferred embodiment based on the above, the fourth wind speed control unit 10204 includes:

[0073] A calculation subunit, configured to calculate the change rate of the light intensity per unit time according to the light intensity;

[0074] A judgment subunit, configured to judge the change trend of the light intensity of the current environment based on the change rate of the light intensity per unit time, select a corresponding wind speed calculation model according to the change trend of the light intensity, and use the wind speed calculation model to calculate the fourth wind speed V4 based on the air quality and / or the light intensity;

[0075] A control subunit, configured to control the air purifier to operate at the fourth wind speed V4.

[0076] In a preferred embodiment based on the above, the judgment subunit is specifically configured to:

[0077] If Then it is determined that the change trend of the light intensity is gradually increasing, and the first wind speed model is selected. The first wind speed model is constructed based on the first wind speed coefficient and the second wind speed coefficient, and the second wind speed coefficient < the first wind speed coefficient;

[0078] If Then it is determined that the change trend of the light intensity is gradually decreasing, and the second wind speed model is selected. The second wind speed model is constructed based on the second wind speed coefficient;

[0079] If Then it is determined that the change trend of the light intensity is tending to be stable, and the third wind speed model is selected. The third wind speed model is constructed based on the third wind speed coefficient, and the third wind speed coefficient < the second wind speed coefficient;

[0080] If Then it is determined that the change trend of the light intensity is an intensity mutation, and the fourth wind speed model is selected. The fourth wind speed model is constructed based on the light intensity;

[0081] Wherein, is the change rate of the light intensity per unit time, ΔE is the change amount of the light intensity per unit time, Δt is the unit time; a is the allowable fluctuation value, a is a real number greater than 0, b is the mutation fluctuation value, and b is a real number greater than 0.

[0082] In a preferred embodiment based on the above, the calculation formula for the first wind speed model to determine the fourth wind speed V4 is as follows:

[0083] V4 = k2*C + e1*E;

[0084]

[0085] Among them, k2 is the second wind speed coefficient, k2 < k1, e1 represents the first light wind speed coefficient, and E represents the light intensity.

[0086] In a preferred embodiment based on the above, the calculation formula for the fourth wind speed V4 determined by the second wind speed model is as follows:

[0087]

[0088] e2 = 1000(k2 * C - V1);

[0089] Among them, k2 is the second wind speed coefficient, k2 < k1, e2 represents the second light wind speed coefficient, and E represents the light intensity.

[0090] In a preferred embodiment based on the above, the calculation formula for the fourth wind speed V4 determined by the third wind speed model is as follows:

[0091] V4 = k3 * C;

[0092] Among them, k3 represents the third wind speed coefficient, k3 < k2.

[0093] In a preferred embodiment based on the above, the calculation formula for the fourth wind speed V4 determined by the fourth wind speed model is as follows:

[0094] V4 = V2.

[0095] In a preferred embodiment based on the above, the pollutant concentration is determined according to the concentrations of multiple pollutants.

[0096] In a preferred embodiment based on the above, the pollutant with the greatest harm degree is selected as the target pollutant according to the preset pollutant harm degree rule, and the concentration corresponding to the target pollutant is used as the pollutant concentration C.

[0097] For the specific implementation manners of the embodiments of the present invention, reference may be made to the embodiments of the above wind speed control method, which will not be elaborated here.

[0098] The present invention also provides an air purifier 100, such as Figure 3As shown, the air purifier 100 includes a controller 10 that executes any of the above-mentioned wind speed control methods in the above embodiments (it can be understood that it is also equivalent to any of the above-mentioned wind speed control devices, so the reference numeral 10 is still used here to refer to the controller), an air quality sensor 20 installed at the air inlet A of the air purifier, and a photosensitive sensor 30 installed at the air outlet B of the air purifier. The air quality sensor 20 is used to collect the pollutant concentration, and the photosensitive sensor 30 is used to collect the light intensity of the current environment. According to the light intensity of the current environment collected by the photosensitive sensor and the air quality, the air purifier is intelligently controlled to operate at a corresponding wind speed. Corresponding wind speed operation modes can be set for different light intensity environments, and the wind speed can be determined according to the light intensity and air quality. Therefore, the air purifier can intelligently adjust the wind speed according to different scenarios of the user and changes in air quality, without the need for the user to operate physical buttons, improving the intelligence level of the air purifier and the air purification efficiency of the air purifier, and providing a better user experience.

[0099] Another embodiment of the present invention also provides an electronic device, such as Figure 4 As shown, the device 4 includes a memory 41, a processor 42, and a computer program 43 stored in the memory 41 and executable on the processor 42. When the processor 42 executes the computer program 43, it implements some or all of the steps of the above-mentioned wind speed control method.

[0100] Another embodiment of the present invention provides a computer-readable storage medium storing a computer program, which when executed by a processor implements some or all of the steps of the above-mentioned wind speed control method.

[0101] The above has introduced the embodiments of the present invention in detail. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A method for controlling wind speed, characterized in that, Including: Obtain the light intensity of the current environment; Control the wind speed of the air purifier based on the light intensity, including: if the first light intensity < the light intensity < the second light intensity, calculate the change rate of light intensity per unit time according to the light intensity; judge the change trend of the light intensity of the current environment based on the change rate of light intensity per unit time, select the corresponding wind speed calculation model according to the change trend of the light intensity, and use the wind speed calculation model to calculate the fourth wind speed V4 based on the air quality and / or the light intensity; control the air purifier to operate at the fourth wind speed V4; wherein, judging the change trend of the light intensity of the current environment based on the change rate of light intensity per unit time and selecting the corresponding wind speed calculation model according to the change trend of the light intensity includes: If it is determined that the change trend of the light intensity is gradually increasing, select the first wind speed model, where the first wind speed model is constructed based on a first wind speed coefficient and a second wind speed coefficient, and the second wind speed coefficient < the first wind speed coefficient; If it is determined that the change trend of the light intensity gradually decreases, select the second wind speed model, and the second wind speed model is constructed based on the second wind speed coefficient; If it is determined that the change trend of the light intensity tends to be stable, and the third wind speed model is selected. The third wind speed model is constructed based on the third wind speed coefficient, and the third wind speed coefficient < the second wind speed coefficient; If it is determined that the change trend of the light intensity is an intensity mutation, select the fourth wind speed model, and the fourth wind speed model is constructed based on the light intensity; Among them, is the change rate of light intensity per unit time, ΔE is the change amount of light intensity per unit time, and Δt is the unit time; a is the allowable fluctuation value, a is a real number greater than 0, and b is the mutation fluctuation value, b is a real number greater than 0.

2. The method for controlling wind speed according to claim 1, characterized in that, Control the wind speed of the air purifier based on the light intensity, including: If the light intensity ≤ the first light intensity, control the air purifier to operate at a preset first wind speed V1.

3. The method for controlling wind speed according to claim 1, characterized in that, Control the wind speed of the air purifier based on the light intensity, including: If the light intensity ≥ the second light intensity, control the air purifier to operate at a preset second wind speed V2.

4. The method for controlling wind speed according to claim 1, characterized in that, Controlling the wind speed of the air purifier based on the light intensity further includes: If the light intensity ≥ the second light intensity, obtain the air quality of the current environment; Control the air purifier to operate at a third wind speed V3 based on the air quality.

5. The method for controlling wind speed according to claim 4, characterized in that, Determine the third wind speed V3 according to the following calculation formula: V3 = k1 * C; Wherein, V3 represents the third wind speed, k1 represents the first wind speed coefficient, and C represents the pollutant concentration.

6. The method for controlling wind speed according to claim 1, characterized in that, The calculation formula for determining the fourth wind speed V4 according to the first wind speed model is as follows: V4 = k2 * C + e1 * E; Wherein, k2 is the second wind speed coefficient, k1 represents the first wind speed coefficient, k2 < k1, e1 represents the first light wind speed coefficient, E represents the light intensity, and C represents the pollutant concentration.

7. The method for controlling wind speed according to claim 1, characterized in that, The calculation formula for determining the fourth wind speed V4 according to the second wind speed model is as follows: e2 = 1000(k2*C - V min ); Among them, k2 is the second wind speed coefficient, k2 < k1, k1 is the first wind speed coefficient, e2 represents the second light wind speed coefficient, E represents the light intensity, C represents the pollutant concentration, and V min represents the minimum wind speed.

8. The method for controlling wind speed according to claim 1, characterized in that, The calculation formula for determining the fourth wind speed V4 according to the third wind speed model is as follows: V4 = k3 * C; Wherein, k3 represents the third wind speed coefficient, k3 < k2, k2 is the second wind speed coefficient, and C represents the pollutant concentration.

9. The method for controlling wind speed according to claim 1, characterized in that, The calculation formula for determining the fourth wind speed V4 according to the fourth wind speed model is as follows: V4 = V min ; V min represents the minimum wind speed of the air purifier.

10. The wind speed control method according to claim 5, 6, 7 or 8, characterized in that The pollutant concentration is determined according to the concentrations of multiple pollutants.

11. The wind speed control method according to claim 10, characterized in that Select the pollutant with the greatest harm degree as the target pollutant according to the preset pollutant harm degree rule, and use the concentration corresponding to the target pollutant as the pollutant concentration.

12. A wind speed control device, characterized in that Including: The first acquisition module is used to acquire the light intensity of the current environment; The wind speed control module is used to control the wind speed of the air purifier based on the light intensity; The wind speed control module includes a fourth wind speed control unit, and the fourth wind speed control unit includes: a calculation subunit, configured to calculate a change rate of light intensity per unit time according to the light intensity if the first light intensity < the light intensity < the second light intensity; a judgment subunit, configured to judge the change trend of the light intensity in the current environment based on the change rate of light intensity per unit time, select a corresponding wind speed calculation model according to the change trend of the light intensity, and use the wind speed calculation model to calculate a fourth wind speed V4 based on the air quality and / or the light intensity; a control subunit, configured to control the air purifier to operate at the fourth wind speed V4; wherein, the judgment subunit is specifically configured to: If it is determined that the change trend of the light intensity is gradually increasing, select the first wind speed model, which is constructed based on the first wind speed coefficient and the second wind speed coefficient, and the second wind speed coefficient < the first wind speed coefficient; If it is determined that the change trend of the light intensity gradually decreases, and the second wind speed model is selected. The second wind speed model is constructed based on the second wind speed coefficient; If it is determined that the change trend of the light intensity tends to be stable, the third wind speed model is selected. The third wind speed model is constructed based on the third wind speed coefficient, and the third wind speed coefficient < the second wind speed coefficient; If then it is determined that the change trend of the light intensity is an intensity mutation, and the fourth wind speed model is selected, and the fourth wind speed model is constructed based on the light intensity; Among them, is the change rate of light intensity per unit time, ΔE is the change amount of light intensity per unit time, and Δt is the unit time; a is the allowable fluctuation value, a is a real number greater than 0, and b is the mutation fluctuation value, b is a real number greater than 0.

13. An air purifier, characterized in that It includes a controller, an air quality sensor, and a photosensitive sensor for executing the wind speed control method according to any one of claims 1 to 11. The air quality sensor is used to collect the pollutant concentration, and the photosensitive sensor is used to collect the light intensity of the current environment.

14. An electronic device, the device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that When the processor executes the computer program, it implements the steps of the wind speed control method according to any one of claims 1 to 11.

15. A computer-readable storage medium storing a computer program, characterized in that When the computer program is executed by the processor, it implements the steps of the wind speed control method according to any one of claims 1 to 11.

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