Control method and device of air purifier and air purifier

Abstract

The invention relates to the technical field of air conditioning, and discloses a control method and device of an air purifier and the air purifier. The control method comprises the following steps: acquiring the pollutant concentration in a purification area; according to the pollutant concentration, the output voltage of the air purifier is determined, and the air purifier is controlled to operate according to the output voltage; the actual air purification efficiency of the air purifier is obtained; and the output voltage is corrected according to the actual air purification efficiency, and the air purifier is controlled to operate according to the corrected output voltage. According to the air purifier, energy waste of the air purifier can be reduced, and the control precision of the air purifier is improved.

Description

Technical Field

[0001] This application relates to the technical field of air conditioning, for example, to a control method, a device and an air purifier for an air purifier. Background Art

[0002] An air purifier, as a product that can adsorb, decompose or transform various air pollutants (such as PM2.5, dust, pollen, odor, formaldehyde, bacteria, allergens, etc.) and improve air cleanliness, is widely used in places such as homes, offices, schools, hospitals, etc. where indoor air quality needs to be improved.

[0003] Currently, air purifiers usually have one or more purification modes preset by the manufacturer at the time of factory production. Different purification modes correspond to different working voltages to achieve different air purification efficiencies. During use, the user only needs to start the air purifier and make the air purifier run continuously according to the corresponding purification mode. Although setting a specific purification mode is convenient to use, it is likely to cause energy waste.

[0004] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of this application, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0005] To provide a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a comprehensive review, nor is it intended to identify key / important elements or delineate the scope of protection of these embodiments. Instead, it serves as a prelude to the following detailed description.

[0006] The embodiments of the present disclosure provide a control method, a device and an air purifier for an air purifier, which can reduce the energy waste of the air purifier and improve the control accuracy of the air purifier.

[0007] In some embodiments, a control method for an air purifier is provided, including: obtaining the pollutant concentration in the purification area; determining the output voltage of the air purifier according to the pollutant concentration and controlling the air purifier to operate according to the output voltage; obtaining the actual air purification efficiency of the air purifier; and correcting the output voltage according to the actual air purification efficiency and controlling the air purifier to operate according to the corrected output voltage.

[0008] The control method for the air purifier provided by the embodiments of the present disclosure realizes the precise control of the output voltage of the air purifier through the pollutant concentration in the actual purification area and the actual air purification efficiency of the air purifier itself, improves the control accuracy of the air purifier, avoids energy waste caused by too high efficiency of the air purifier, and improves the energy-saving effect of the air purifier while extending the service life of the air purifier.

[0009] Optionally, the air purifier includes an air outlet and an air inlet, and the actual air purification efficiency F of the air purifier is obtained in the following manner:

[0010]

[0011] where p represents the pollutant concentration at the air outlet, and q represents the pollutant concentration at the air inlet.

[0012] In this embodiment, by monitoring the pollutant concentration at the air outlet and the air inlet of the air purifier, the actual air purification efficiency F of the air purifier is calculated to determine the pollutant removal ability of the air purifier in the current working state, which is used as the basis for subsequent dynamically adjusting the output voltage of the air purifier, so as to achieve precise control of the air purifier in combination with its own working state and avoid energy waste caused by over-purification.

[0013] Optionally, the actual air purification efficiency F of the air purifier is obtained in the following manner:

[0014]

[0015] where n i represents the pollutant concentration in the purification area after the air purifier operates for i cycle durations, and i > 0.

[0016] In this embodiment, by using the pollutant concentrations in the purification area after the air purifier operates for i cycles and i + 1 cycles, the actual air purification efficiency F of the air purifier is calculated to accurately and directly reflect the ability of the air purifier to reduce the pollutant concentration during continuous operation.

[0017] Optionally, the output voltage is corrected according to the actual air purification efficiency, including: obtaining the ideal purification efficiency of the air purifier corresponding to the output voltage and the usage parameters of the air purifier; correcting the ideal purification efficiency according to the usage parameters to obtain the theoretical purification efficiency of the air purifier; and correcting the output voltage according to the actual air purification efficiency and the theoretical purification efficiency.

[0018] In this embodiment, the usage parameters can be used to correct the ideal purification efficiency to consider the influence of actual operating conditions on the purification efficiency, so as to ensure that the theoretical purification efficiency of the air purifier closer to the actual operating situation can be obtained. Then, based on the actual air purification efficiency and the theoretical purification efficiency, the output voltage is corrected to dynamically adjust the output voltage, thereby further improving the control accuracy of the output voltage of the air purifier and optimizing the purification efficiency and energy consumption ratio of the air purifier.

[0019] Optionally, the theoretical purification efficiency includes a first theoretical purification efficiency F1 and a second theoretical purification efficiency F2; according to the actual air purification efficiency and the theoretical purification efficiency, the output voltage is corrected, including: when F < F1, determining a first correction value of the output voltage according to a first preset rule and correcting the output voltage according to the first correction value; when F1 ≤ F ≤ F2, determining the correction value of the output voltage to be 0; when F2 > F, determining a second correction value of the output voltage according to a second preset rule and correcting the output voltage according to the second correction value; where F represents the air purification efficiency of the air purifier.

[0020] In this embodiment, by comparing the actual air purification efficiency F with the first theoretical purification efficiency F1 and the second theoretical purification efficiency F2 and making adjustments according to the comparison results, it is ensured that the actual air purification efficiency F can be between F1 and F2, that is, the purification efficiency of the air purifier is in the ideal range, ensuring the high purification ability of the air purifier while avoiding unnecessary energy consumption.

[0021] Optionally, the first correction value V1' of the output voltage is determined in the following manner: V1' = a × (F1 - F); where a represents a correction parameter.

[0022] In this embodiment, the difference between the actual purification efficiency and the first theoretical purification efficiency (i.e., F1 - F) and the correction parameter a are used to calculate the first correction value V1' to ensure that after the corrected output voltage is used to drive the air purifier, the purification efficiency of the air purifier can be in the ideal range, that is, between F1 and F2.

[0023] Optionally, the second correction value V2' of the output voltage is determined in the following manner: V2' = -a × (F2 - F); where a represents a correction parameter.

[0024] In this embodiment, the difference between the second theoretical purification efficiency and the actual purification efficiency (i.e., F2 - F) and the correction parameter a are used to calculate the second correction value V2' to ensure that after the corrected output voltage is used to drive the air purifier, the purification efficiency of the air purifier can be in the ideal range, that is, between F1 and F2.

[0025] Optionally, the first correction value V1' of the output voltage is determined in the following manner: V1' = b × (R0 - R); where b represents a correction parameter, R0 represents the target air purification rate of the purification area, and R represents the real-time air purification rate of the purification area.

[0026] In this embodiment, the difference between the target air purification rate and the real-time air purification rate in the purification area (i.e., R0 - R) and the correction parameter b are used to calculate the first correction value V1′, so as to ensure that after the corrected output voltage is used to drive the air purifier, the air purification level in the purification area can reach the desired air purification level as soon as possible, that is, the target air purification rate.

[0027] Optionally, the second correction value V2′ of the output voltage is determined in the following manner: V2′ = -b×(R0 - R); where b represents the correction parameter, R0 represents the target air purification rate in the purification area, and R represents the real-time air purification rate in the purification area.

[0028] In this embodiment, the difference between the target air purification rate and the real-time air purification rate in the purification area (i.e., R0 - R) and the correction parameter b are used to calculate the second correction value V2′, so as to ensure that after the corrected output voltage is used to drive the air purifier, the air purification level in the purification area can reach the desired air purification level while avoiding unnecessary energy waste.

[0029] Optionally, the real-time air purification rate R in the purification area is determined in the following manner:

[0030]

[0031] where n0 represents the pollutant concentration in the purification area before the air purifier runs after receiving the air purifier start instruction, and n i represents the pollutant concentration in the purification area after the air purifier runs for i cycle durations, and i > 0.

[0032] In this embodiment, the real-time air purification rate R in the purification area is calculated by using the pollutant concentration in the purification area after the air purifier runs for i cycles and before the air purifier runs after receiving the air purifier start instruction, so as to accurately and directly reflect the reduction of the pollutant concentration in the purification area.

[0033] Optionally, the target air purification rate in the purification area is obtained in the following manner: Obtain the theoretical air purification rate and the correction factor in the purification area; correct the theoretical air purification rate according to the correction factor to obtain the target air purification rate.

[0034] In this embodiment, by comprehensively considering environmental parameters (such as environmental humidity and temperature) and user requirements (such as the user's health status), that is, the correction factor, the value of the target air purification rate is appropriately increased to further avoid unnecessary energy waste and improve the user's experience of using the air purifier.

[0035] Optionally, the control method further includes: obtaining the physiological parameters of the user; determining a pollutant concentration threshold according to the physiological parameters; and controlling the air purifier to stop operating when the pollutant concentration in the purification area is less than the pollutant concentration threshold.

[0036] In this embodiment, an appropriate pollutant concentration threshold can be determined according to the physiological parameters of the user to control the start and stop of the air purifier, improving the automation and intelligence level of the air purifier, avoiding energy waste caused by the continuous operation of the air purifier, improving the energy-saving effect of the air purifier, and enhancing the user experience at the same time.

[0037] Optionally, the control method further includes: obtaining the real-time air purification rate and the target air purification rate of the purification area; and controlling the air purifier to stop operating when the real-time air purification rate is greater than or equal to the target air purification rate.

[0038] In this embodiment, when the real-time air purification rate of the purification area reaches the target air purification rate, the air purifier can be automatically controlled to stop, improving the automation and intelligence level of the air purifier, avoiding energy waste caused by the continuous operation of the air purifier, and improving the energy-saving effect of the air purifier.

[0039] In some embodiments, a control device for an air purifier is provided, including a processor and a memory storing program instructions, and the processor is configured to execute the control method of the air purifier as described in the above embodiments when running the program instructions.

[0040] The control device for the air purifier provided by the embodiments of the present disclosure can execute the control method of the air purifier as described in the above embodiments. Therefore, the technical effects possessed by the control method of the air purifier in the above embodiments are all possessed by this embodiment, and will not be elaborated here.

[0041] In some embodiments, an air purifier is provided, including: a purifier body; and the control device for the air purifier as described in the above embodiments, which is installed on the purifier body.

[0042] The air purifier provided by the embodiments of the present disclosure includes the control device for the air purifier as described in the above embodiments. Therefore, the technical effects possessed by the control device for the air purifier in the above embodiments are all possessed by this embodiment, and will not be elaborated here.

[0043] The above general description and the following description are only exemplary and explanatory, and are not used to limit this application. Description of the Drawings

[0044] One or more embodiments are illustrated by way of example in the corresponding drawings, which do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute a scale limitation, and wherein:

[0045] Figure 1 is a schematic diagram of an air purifier provided by an embodiment of the present disclosure;

[0046] Figure 2 is a schematic diagram of a control method of an air purifier provided by an embodiment of the present disclosure;

[0047] Figure 3 is a schematic diagram of a control method of an air purifier provided by another embodiment of the present disclosure;

[0048] Figure 4 is a schematic diagram of a control method of an air purifier provided by another embodiment of the present disclosure;

[0049] Figure 5 is a schematic diagram of a control method of an air purifier provided by another embodiment of the present disclosure;

[0050] Figure 6 is a schematic diagram of a control device of an air purifier provided by an embodiment of the present disclosure.

[0051] Reference numerals:

[0052] 1 air purifier; 10 purifier body;

[0053] 60 control device of the air purifier; 600 processor; 601 memory; 602 communication interface; 603 bus. Detailed implementation manners

[0054] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the drawings. The attached drawings are for reference and illustration only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the sake of explanation, a sufficient understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be shown in a simplified manner to simplify the drawings.

[0055] In the description and claims of the embodiments of the present disclosure and the above-mentioned drawings, terms such as "first" and "second" are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so as to implement the embodiments of the present disclosure described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0056] Unless otherwise specified, the term "plurality" means two or more.

[0057] In the embodiments of the present disclosure, the character " / " indicates that the objects before and after are in an "or" relationship. For example, A / B means: A or B.

[0058] The term "and / or" is a description of the association relationship of objects, indicating that three relationships can exist. For example, A and / or B means: the three relationships of A, B, and A and B.

[0059] The term "corresponding" may refer to an association relationship or a binding relationship. A corresponding to B means that there is an association relationship or a binding relationship between A and B.

[0060] It should be noted that, without conflict, the embodiments in the embodiments of the present disclosure and the features in the embodiments may be combined with each other.

[0061] Combined with Figure 1 As shown, the embodiments of the present disclosure provide an air purifier 1, including: a purifier body 10 and a control device 60 of the air purifier. The control device 60 of the air purifier is installed on the purifier body 10.

[0062] In this embodiment, the control device 60 of the air purifier is installed on the purifier body 10. The installation relationship described here not only includes being placed inside the purifier body 10, but also includes the installation connection with other components of the air purifier 1, including but not limited to physical connection, electrical connection or signal transmission connection, etc. Those skilled in the art can understand that the control device 60 of the air purifier can be adapted to a feasible air purifier 1, thereby implementing other feasible embodiments.

[0063] Optionally, combined with Figure 6 As shown, the control device 60 of the air purifier includes a processor 600. The processor 600 can obtain the pollutant concentration in the purification area; can determine the output voltage of the air purifier according to the pollutant concentration and control the air purifier to operate according to the output voltage; can obtain the actual air purification efficiency of the air purifier; can correct the output voltage according to the actual air purification efficiency and control the air purifier to operate according to the corrected output voltage.

[0064] Combined withFigure 1 For the air purifier shown, an embodiment of the present disclosure provides a control method for an air purifier. As Figure 2 shown, the control method includes:

[0065] S201, the processor obtains the pollutant concentration in the purification area.

[0066] The purification area refers to a specific space or area that requires air purification treatment, including but not limited to a certain room, office, interior space of a car, or any enclosed or semi - enclosed environment where air quality needs to be improved. The pollutant concentration includes but is not limited to the concentrations of PM2.5, PM10, harmful gases (such as formaldehyde, TVOCs), bacteria, viruses and other substances.

[0067] S202, the processor determines the output voltage of the air purifier according to the pollutant concentration and controls the air purifier to operate according to the output voltage.

[0068] S203, the processor obtains the actual air purification efficiency of the air purifier.

[0069] S204, the processor corrects the output voltage according to the actual air purification efficiency and controls the air purifier to operate according to the corrected output voltage.

[0070] By adopting the control method of the air purifier provided by the embodiment of the present disclosure, it is possible to first determine a suitable output voltage to control the operation of the air purifier and purify the air by monitoring the pollutant concentration in the purification area. During the operation of the air purifier, monitor the actual air purification efficiency of the air purifier and dynamically adjust the output voltage of the air purifier according to the actual air purification efficiency, so that the air purifier can automatically adjust the working voltage according to the actual situation, achieving precise control of the output voltage of the air purifier. Compared with the general preset purification mode, the output voltage, that is, the output power of the air purifier, has a higher adaptability to the actual situation, ensuring the purification effect while avoiding excessive efficiency and resulting in excessive energy consumption. In summary, the embodiment of the present disclosure realizes precise control of the output voltage of the air purifier through the pollutant concentration in the actual purification area and the actual air purification efficiency of the air purifier itself, improves the control accuracy of the air purifier, avoids energy waste caused by excessive efficiency of the air purifier, extends the service life of the air purifier, and improves the energy - saving effect of the air purifier.

[0071] In practical applications, according to different purification technologies, air purifiers include various types. For example, filtration type: The air is drawn into the machine from the air inlet by a fan and purified through an internal filter; electrostatic type: Utilizes the principle of static electricity to adsorb particulate matter in the air; photocatalyst type: Uses photocatalyst technology to remove dust and sterilize; negative ion type: Generates negative ions to combine with dust particles in the air to purify the air; ultraviolet type: Utilizes ultraviolet rays to kill bacteria and viruses. According to the types of air purifiers, the calculation methods of the actual air purification efficiency of air purifiers can be different.

[0072] Optionally, the air purifier includes an air outlet and an air inlet, and the actual air purification efficiency F of the air purifier is obtained in the following manner:

[0073]

[0074] Where p represents the pollutant concentration at the air outlet, and q represents the pollutant concentration at the air inlet.

[0075] In this embodiment, the air purifier includes an air outlet and an air inlet, such as a filtration type air purifier and an electrostatic type air purifier. In this embodiment, by monitoring the pollutant concentration at the air outlet and the pollutant concentration at the air inlet of the air purifier, the actual air purification efficiency F of the air purifier is calculated to determine the pollutant removal ability of the air purifier in the current working state, which is used as the basis for dynamically adjusting the output voltage of the air purifier subsequently, so as to achieve precise control of the air purifier in combination with its own working state and avoid energy waste caused by over-purification.

[0076] Optionally, the actual air purification efficiency F of the air purifier is obtained in the following manner:

[0077]

[0078] Where n i represents the pollutant concentration in the purification area after the air purifier operates for i cycle durations, where i > 0.

[0079] In this embodiment, the pollutant concentration in the purification area is obtained periodically to obtain the pollutant concentration in the purification area after the air purifier operates for i cycles and i + 1 cycles. Using the pollutant concentration in the purification area after the air purifier operates for i cycles and i + 1 cycles, the actual air purification efficiency F of the air purifier is calculated to accurately and directly reflect the ability of the air purifier to reduce the pollutant concentration during continuous operation. The actual air purification efficiency F provided by this embodiment can be applied to various types of air purifiers, such as filtration type air purifiers, negative ion type air purifiers, and ultraviolet type air purifiers.

[0080] By limiting i > 0, it is ensured that after the air purifier has been running for a period of time, the actual air purification efficiency F is calculated. Exemplarily, the specific value of i is 0.5, 1, or 1.5. And the specific duration of each cycle needs to be preset by a technician or user according to the actual air purifier. Exemplarily, the specific duration of a cycle is 1 minute, 1.5 minutes, or 2 minutes.

[0081] Combined with Figure 3 As shown, the embodiments of the present disclosure provide another control method for an air purifier, including:

[0082] S301, the processor obtains the pollutant concentration in the purification area.

[0083] S302, the processor determines the output voltage of the air purifier according to the pollutant concentration and controls the air purifier to operate according to the output voltage.

[0084] S303, the processor obtains the actual air purification efficiency of the air purifier.

[0085] S304, the processor obtains the ideal purification efficiency of the air purifier corresponding to the output voltage and the usage parameters of the air purifier.

[0086] In this embodiment, the ideal purification efficiency of the air purifier refers to the purification efficiency that the air purifier should theoretically reach under a specific output voltage. The ideal purification efficiency of the air purifier under a specific output voltage can be obtained based on the design parameters of the air purifier or through experimental data after the air purifier is manufactured.

[0087] In some embodiments, the usage parameters of the air purifier include the usage duration of the air purifier and / or the degree of blockage of the filter (such as the interval duration since the last filter cleaning or replacement).

[0088] S305, the processor corrects the ideal purification efficiency according to the usage parameters to obtain the theoretical purification efficiency of the air purifier.

[0089] In some embodiments, the usage parameters include the usage duration of the air purifier. In this embodiment, a corresponding relationship is preset between the usage duration of the air purifier and the correction value for correcting the ideal purification efficiency. The usage duration of the air purifier and the correction value for correcting the ideal purification efficiency are directly proportional, that is, the longer the usage duration, the larger the correction value. Correcting the ideal purification efficiency according to the usage parameters includes: determining the corresponding correction value from the corresponding relationship between the usage duration of the air purifier and the correction value for correcting the ideal purification efficiency according to the usage duration; correcting the ideal purification efficiency with the correction value to adaptively reduce the ideal purification efficiency so that the ideal purification efficiency is closer to the theoretical purification efficiency of the air purifier in the actual operation situation.

[0090] In some embodiments, the usage parameter includes the degree of clogging of the filter of the air purifier, that is, the time interval since the last filter cleaning or replacement of the air purifier. In this embodiment, a corresponding relationship is preset between the time interval since the last filter cleaning or replacement of the purifier and the correction value for correcting the ideal purification efficiency. The time interval since the last filter cleaning or replacement of the purifier and the correction value for correcting the ideal purification efficiency are directly proportional, that is, the longer the time interval, the larger the correction value. Correcting the ideal purification efficiency according to the usage parameter includes: determining the corresponding correction value from the corresponding relationship between the time interval since the last filter cleaning or replacement of the purifier and the correction value for correcting the ideal purification efficiency according to the time interval; using the correction value to correct the ideal purification efficiency so as to adaptively reduce the ideal purification efficiency and make the ideal purification efficiency closer to the theoretical purification efficiency of the air purifier under the actual operating conditions.

[0091] In some embodiments, the usage parameter includes the usage duration of the air purifier and the degree of clogging of the filter, that is, the time interval since the last filter cleaning or replacement of the air purifier. In this embodiment, the correction values for correcting the ideal purification efficiency corresponding to the usage duration and the time interval can be obtained separately first; the sum of the two correction values is calculated to obtain the total correction value; the total correction value is used to correct the ideal purification efficiency so as to adaptively reduce the ideal purification efficiency and make the ideal purification efficiency closer to the theoretical purification efficiency of the air purifier under the actual operating conditions.

[0092] It should be noted that the corresponding relationship between the usage duration of the air purifier and the correction value for correcting the ideal purification efficiency, and the corresponding relationship between the time interval since the last filter cleaning or replacement of the purifier and the correction value for correcting the ideal purification efficiency can be obtained based on the design parameters of the air purifier or through experimental data after the air purifier is manufactured. The present application does not limit the acquisition method and specific form of the corresponding relationship between the usage duration of the air purifier and the correction value for correcting the ideal purification efficiency, and the corresponding relationship between the time interval since the last filter cleaning or replacement of the purifier and the correction value for correcting the ideal purification efficiency.

[0093] S306. The processor corrects the output voltage according to the actual air purification efficiency and the theoretical purification efficiency.

[0094] S307. The processor controls the air purifier to operate according to the corrected output voltage.

[0095] The control method of the air purifier provided by the embodiments of the present disclosure can, after obtaining the actual air purification efficiency of the air purifier, obtain the ideal purification efficiency of the air purifier corresponding to the current output voltage and the usage parameters of the air purifier, and then use the usage parameters to correct the ideal purification efficiency to consider the influence of actual operating conditions on the purification efficiency, so as to ensure that the theoretical purification efficiency of the air purifier closer to the actual operating conditions can be obtained. Then, based on the actual air purification efficiency and the theoretical purification efficiency, the output voltage is corrected to dynamically adjust the output voltage, thereby further improving the control accuracy of the output voltage of the air purifier and optimizing the purification efficiency and energy consumption ratio of the air purifier.

[0096] In some embodiments, the theoretical purification efficiency includes a first theoretical purification efficiency F1 and a second theoretical purification efficiency F2. In this embodiment, F1 < F2. By setting the first theoretical purification efficiency F1 and the second theoretical purification efficiency F2, the actual air purification efficiency F is compared with the first theoretical purification efficiency F1 and the second theoretical purification efficiency F2, and adjustments are made according to the comparison results to ensure that the actual air purification efficiency F can be between F1 and F2, that is, the purification efficiency of the air purifier is in the ideal range, ensuring the high purification ability of the air purifier while avoiding unnecessary energy consumption.

[0097] Optionally, correcting the output voltage according to the actual air purification efficiency and the theoretical purification efficiency includes: when F < F1, determining a first correction value of the output voltage according to a first preset rule and correcting the output voltage according to the first correction value; where F represents the air purification efficiency of the air purifier.

[0098] In this embodiment, when the actual air purification efficiency F < F1, it indicates that the purification efficiency of the air purifier is insufficient, and the air purifier requires more energy to improve the purification effect. At this time, the first correction value of the output voltage is determined according to the first preset rule and the first correction value is used to correct the output voltage to increase the output voltage, ensuring the high purification ability of the air purifier and improving the user experience.

[0099] Optionally, the first correction value V1′ of the output voltage is determined in the following manner: V1′ = a×(F1 - F); where a represents a correction parameter.

[0100] In this embodiment, the correction parameter a represents the ratio of converting the gap between the actual purification efficiency and the theoretical purification efficiency into the correction value of the output voltage. The specific value of a is preset by those skilled in the art according to the specific performance, design parameters of the air purifier and the spatial size of the purification area, and is not limited in this application. In this embodiment, the gap between the actual purification efficiency and the first theoretical purification efficiency (i.e., F1 - F) and the correction parameter a are used to calculate the first correction value V1′, so as to ensure that after the corrected output voltage is used to drive the air purifier, the purification efficiency of the air purifier can be in the ideal range, that is, between F1 and F2.

[0101] Optionally, the first correction value V1′ of the output voltage is determined in the following manner: V1′ = b×(R0 - R); where b represents the correction parameter, R0 represents the target air purification rate of the purification area, and R represents the real-time air purification rate of the purification area.

[0102] In this embodiment, the correction parameter b represents the ratio of converting the gap between the target air purification rate and the real-time air purification rate of the purification area into the correction value of the output voltage. The specific value of b is preset by those skilled in the art according to the specific performance, design parameters of the air purifier and the spatial size of the purification area, and is not limited in this application. The target air purification rate R0 of the purification area represents the expected air purification level of the purification area. The real-time air purification rate R of the purification area represents the actual air purification level currently achieved in the purification area.

[0103] In this embodiment, the gap between the target air purification rate and the real-time air purification rate of the purification area (i.e., R0 - R) and the correction parameter b are used to calculate the first correction value V1′, so as to ensure that after the corrected output voltage is used to drive the air purifier, the air purification level of the purification area can reach the expected air purification level, that is, the target air purification rate, as soon as possible.

[0104] Optionally, the real-time air purification rate R of the purification area is determined in the following manner:

[0105]

[0106] where n0 represents the pollutant concentration in the purification area before the air purifier runs after receiving the instruction to start the air purifier, and n i represents the pollutant concentration in the purification area after the air purifier runs for i cycle durations, and i > 0.

[0107] In this embodiment, the pollutant concentration in the purification area is periodically obtained to obtain the pollutant concentration in the purification area after the air purifier has operated for i cycles. Using the pollutant concentration in the purification area before the air purifier operates after the air purifier has operated for i cycles and the instruction to start the air purifier, the real-time air purification rate R of the purification area is calculated to accurately and directly reflect the reduction of the pollutant concentration in the purification area.

[0108] Optionally, the target air purification rate of the purification area is obtained in the following manner: obtain the theoretical air purification rate and the correction factor of the purification area; correct the theoretical air purification rate according to the correction factor to obtain the target air purification rate.

[0109] In this embodiment, the theoretical air purification rate of the purification area represents the air purification rate that should theoretically be achieved in the purification area based on the standard environmental requirements corresponding to the purification area and the pollutant concentration n0 in the purification area before the air purifier operates after receiving the instruction to start the air purifier. Exemplarily, if the purification area is an office and the standard office environment requires the pollutant concentration in the office to be less than or equal to n′, then the theoretical air purification rate of the office The target air purification rate of the purification area represents the best air purification rate that the purification area should achieve under actual conditions and requirements.

[0110] The correction factor is a parameter used to adjust the theoretical air purification rate to match the actual situation. The correction factor includes multiple aspects, such as environmental humidity, temperature, the health status of the user, etc. Different environmental humidity and temperature or the health status of the user correspond to different correction factor parameters. The target air purification rate is equal to the sum of the theoretical air purification rate and the correction factor parameters. That is, R0 = R'+R1'+R2'+……, where R1', R2'…… represent the parameters corresponding to each correction factor, that is, the correction factor parameters. In this embodiment, by comprehensively considering environmental parameters (such as environmental humidity and temperature) and user requirements (such as the health status of the user), that is, the correction factor, the value of the target air purification rate is appropriately increased to further avoid unnecessary energy waste and improve the user experience of using the air purifier.

[0111] Specifically, in certain environmental humidity and temperature conditions, it is easy to promote the reproduction and spread of bacteria or viruses. For example, when the environmental humidity and temperature are in a state that promotes the reproduction and spread of bacteria or viruses, without considering the influence of environmental humidity and temperature on the pollutant concentration, after the air purifier is controlled to perform air purification and then stopped, bacteria or viruses are likely to rapidly reproduce and spread under the current environmental humidity and temperature, resulting in frequent start-stop of the air purifier. And some air purifiers are prone to further increase the pollutant concentration or cause secondary pollution during the start-stop process, such as electrostatic air purifiers. Therefore, when setting the target air purification rate, the influence of environmental humidity and temperature on the pollutant concentration is introduced to appropriately increase the target air purification rate and avoid unnecessary energy waste caused by the frequent start-stop of the air purifier.

[0112] Specifically, users have different requirements for pollutant concentration in different health states. For example, when a user is sick, their immunity weakens compared to when they are healthy, and they are more sensitive to pollutants in the air. At this time, it is necessary to further reduce the pollutant concentration in the air. Therefore, when setting the target air purification rate, the demand of the user's health state for the pollutant concentration is introduced to appropriately increase the target air purification rate and improve the user's experience of using the air purifier.

[0113] In this embodiment, the environmental humidity and temperature can be obtained by installing humidity sensors and temperature sensors in the air purifier or communicating with the humidity sensors and temperature sensors in the purification area. The user's health state is obtained through the user's wearable device (such as a smart bracelet). In this embodiment, different correction factor parameters corresponding to different environmental humidity and temperature or the user's health state need to be obtained by technicians through pre-experiment or simulation in advance, and this application does not make any limitations.

[0114] Optionally, correcting the output voltage according to the first correction value includes: obtaining the corrected output voltage value; obtaining the actual purification efficiency of the air purifier after operating according to the corrected output voltage, that is, the actual purification efficiency after correction; when the output voltage value is the maximum output voltage value and the actual purification efficiency after correction is less than the first theoretical purification efficiency, obtaining the user's position; controlling the air outlet direction of the air purifier to face the user's position and generating and outputting a prompt message.

[0115] In this embodiment, during the process of correcting the output voltage according to the first correction value and increasing the output voltage, the corrected output voltage value and the actual purification efficiency of the air purifier after operating according to the corrected output voltage can be monitored. When the output voltage value reaches the maximum output voltage value that the air purifier can reach, and the actual purification efficiency of the air purifier operating according to the corrected output voltage is still less than the first theoretical purification efficiency, it indicates that the current air purifier is severely aged, the filter needs to be replaced, or there is a malfunction in the operation. The purification efficiency of the air purifier is difficult to reach the ideal range, making it difficult to quickly complete air purification in the entire purification area. At this time, the air outlet direction of the air purifier is controlled to face the user's position to preferentially purify the air in the space where the user is located, improving the user's experience. At the same time, a prompt message is generated and output to prompt the user to promptly repair or replace the air purifier and clean the filter in a timely manner. In this embodiment, the user's position is obtained by the air purifier communicating with the user's wearable device (such as a smart bracelet).

[0116] Optionally, correcting the output voltage according to the actual air purification efficiency and the theoretical purification efficiency includes: when F1 ≤ F ≤ F2, determining the correction value of the output voltage to be 0; where F represents the air purification efficiency of the air purifier.

[0117] In this embodiment, when F1 ≤ F ≤ F2, it indicates that the purification efficiency of the air purifier is in the ideal range. At this time, the correction value of the output voltage is 0 to maintain the current operating state of the air purifier, ensuring the high purification ability of the air purifier while avoiding unnecessary energy consumption.

[0118] Optionally, correcting the output voltage according to the actual air purification efficiency and the theoretical purification efficiency includes: when F2 > F, determining the second correction value of the output voltage according to the second preset rule and correcting the output voltage according to the second correction value; where F represents the air purification efficiency of the air purifier.

[0119] In this embodiment, when F > F2, it indicates that the purification efficiency of the air purifier has exceeded the expectation. Continuing to operate the air purifier in the current working state is likely to cause energy waste. At this time, the second correction value of the output voltage is determined according to the second preset rule and the second correction value is used to reduce the output voltage to improve the energy-saving effect of the air purifier. At the same time, by reducing the output voltage of the air purifier, the output power of the air purifier is reduced, which helps to reduce the mechanical wear of the air purifier and extend the service life of the air purifier.

[0120] Optionally, the second correction value V2' of the output voltage is determined in the following manner: V2' = -a × (F2 - F); where a represents the correction parameter.

[0121] In this embodiment, the correction parameter a represents the ratio of converting the gap between the actual purification efficiency and the theoretical purification efficiency into the correction value of the output voltage. In this embodiment, the gap between the second theoretical purification efficiency and the actual purification efficiency (i.e., F2 - F) and the correction parameter a are used to calculate the second correction value V2′, so as to ensure that after the corrected output voltage is used to drive the air purifier, the purification efficiency of the air purifier can be within the ideal range, that is, between F1 and F2.

[0122] Optionally, the second correction value V2′ of the output voltage is determined in the following manner: V2′ = -b × (R0 - R); where b represents the correction parameter, R0 represents the target air purification rate of the purification area, and R represents the real-time air purification rate of the purification area.

[0123] In this embodiment, the gap between the target air purification rate and the real-time air purification rate of the purification area (i.e., R0 - R) and the correction parameter b are used to calculate the second correction value V2′, so as to ensure that after the corrected output voltage is used to drive the air purifier, the air purification level of the purification area can reach the expected air purification level while avoiding unnecessary energy waste.

[0124] Combined with Figure 4 As shown, another control method for an air purifier provided by an embodiment of the present disclosure includes:

[0125] S401, the processor obtains the physiological parameters of the user.

[0126] In this embodiment, the physiological parameters of the user can be obtained through the user's wearable device (such as a smart bracelet). The physiological parameters of the user are used to evaluate the user's health status and the user's response degree to the current ambient air quality. The physiological parameters of the user include but are not limited to the user's heart rate, respiratory rate, etc.

[0127] S402, the processor determines the pollutant concentration threshold according to the physiological parameters.

[0128] In this embodiment, the pollutant concentration threshold corresponding to the physiological parameters of the user can be obtained by connecting to the Internet to obtain the relationship between the physiological parameters of the human body and the air quality and analyzing it; or the technical staff can collect the relationship data between the physiological parameters of the human body and the air quality, and preset the corresponding relationship between different physiological parameters and pollutant concentration thresholds and save it, so that the processor can determine the corresponding pollutant concentration threshold according to the obtained physiological parameters.

[0129] S403, the processor obtains the pollutant concentration in the purification area.

[0130] S404, when the pollutant concentration is greater than the pollutant concentration threshold, the processor generates an instruction to start the air purifier;

[0131] S405, the processor, in response to the instruction to start the air purifier, determines the output voltage of the air purifier according to the pollutant concentration and controls the air purifier to operate according to the output voltage.

[0132] S406, the processor obtains the actual air purification efficiency of the air purifier.

[0133] S407, the processor corrects the output voltage according to the actual air purification efficiency and controls the air purifier to operate according to the corrected output voltage.

[0134] S408, when the pollutant concentration in the purification area is less than the pollutant concentration threshold, the processor controls the air purifier to stop operating.

[0135] For different users, there will be different air quality sensitivities based on their physiological parameters (health status). The control method of the air purifier provided by the embodiments of the present disclosure can determine a suitable pollutant concentration threshold according to the physiological parameters of the user to control the start and stop of the air purifier, improving the automation and intelligence of the air purifier, avoiding energy waste caused by the continuous operation of the air purifier, improving the energy-saving effect of the air purifier, and enhancing the user experience at the same time.

[0136] Combined Figure 5 As shown, the embodiments of the present disclosure provide another control method for an air purifier, including:

[0137] S501, the processor obtains the pollutant concentration in the purification area.

[0138] S502, the processor determines the output voltage of the air purifier according to the pollutant concentration and controls the air purifier to operate according to the output voltage.

[0139] S503, the processor obtains the actual air purification efficiency of the air purifier.

[0140] S504, the processor corrects the output voltage according to the actual air purification efficiency and controls the air purifier to operate according to the corrected output voltage.

[0141] S505, the processor obtains the real-time air purification rate and the target air purification rate of the purification area.

[0142] S506, when the real-time air purification rate is greater than or equal to the target air purification rate, the processor controls the air purifier to stop operating.

[0143] The control method of the air purifier provided by the embodiments of the present disclosure can automatically control the air purifier to stop when the real-time air purification rate in the purification area reaches the target air purification rate, improving the automation and intelligence level of the air purifier, avoiding energy waste caused by continuous operation of the air purifier, and improving the energy-saving effect of the air purifier.

[0144] As shown in combination with Figure 6 The embodiments of the present disclosure provide a control device 60 for an air purifier, including a processor 600 and a memory 601. Optionally, the device 60 may further include a communication interface 602 and a bus 603. Among them, the processor 600, the communication interface 602, and the memory 601 can complete communication with each other through the bus 603. The communication interface 602 can be used for information transmission. The processor 600 can call the logical instructions in the memory 601 to execute the control method of the air purifier in the above embodiments.

[0145] In addition, when the logical instructions in the above-mentioned memory 601 are implemented in the form of a software functional unit and sold or used as an independent product, they can be stored in a computer-readable storage medium.

[0146] The memory 601, as a computer-readable storage medium, can be used to store software programs and computer-executable programs, such as the program instructions / modules corresponding to the methods in the embodiments of the present disclosure. The processor 600 executes functional applications and data processing by running the program instructions / modules stored in the memory 601, that is, implements the control method of the air purifier in the above embodiments.

[0147] The memory 601 may include a program storage area and a data storage area. Among them, the program storage area can store an operating system and application programs required for at least one function; the data storage area can store data created according to the use of the terminal device, etc. In addition, the memory 601 may include a high-speed random access memory and may also include a non-volatile memory.

[0148] The embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions, and the computer-executable instructions are set to execute the control method of the air purifier described above.

[0149] The technical solution of the embodiments of the present disclosure can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the embodiments of the present disclosure. The aforementioned storage medium may be a non-transitory storage medium, such as: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disc, etc., which are various media that can store program codes.

[0150] The above description and the drawings fully illustrate the embodiments of the present disclosure, enabling those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. Embodiments merely represent possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. Moreover, the terms used in this application are only for describing embodiments and are not used to limit the claims. As used in the description of the embodiments and the claims, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are intended to also include the plural forms. Similarly, as used in this application, the term "and / or" refers to any and all possible combinations including one or more of the associated listed items. Additionally, when used in this application, the term "comprise" and its variants "comprises" and / or "comprising" etc. mean the presence of the stated features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or groups of these. Without further limitation, an element defined by the statement "comprising one..." does not exclude the presence of another identical element in the process, method, or device including the element. In this document, each embodiment may focus on the differences from other embodiments, and the same or similar parts between the embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, the relevant parts may refer to the description of the method part.

[0151] Those skilled in the art can realize that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed in a hardware or software manner can depend on the specific application and design constraints of the technical solution. The technician can use different methods for each specific application to implement the described functions, but such implementation should not be considered to exceed the scope of the embodiments of the present disclosure. Those skilled in the art can clearly understand that for the convenience and conciseness of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein.

[0152] In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units can be merely a logical function division, and there can be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Additionally, the displayed or discussed couplings or direct couplings or communication connections to each other can be through some interfaces. The indirect couplings or communication connections of devices or units can be in electrical, mechanical, or other forms. The units described as separate components can be or can not be physically separated. The components displayed as units can be or can not be physical units, that is, they can be located in one place or can be distributed to multiple network units. Some or all of the units can be selected according to actual needs to implement this embodiment. Additionally, in the embodiments of the present disclosure, the functional units can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit.

[0153] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagram may represent a module, a segment of a program, or a portion of code, which contains one or more executable instructions for implementing a specified logical function. In some alternative implementations, the functions noted in the blocks may occur in a different order than noted in the accompanying drawings. For example, two consecutive blocks may in fact be executed substantially in parallel, or they may sometimes be executed in the reverse order, depending on the functions involved. In the descriptions corresponding to the flowcharts and block diagrams in the accompanying drawings, the operations or steps corresponding to different blocks may also occur in a different order than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps may in fact be executed substantially in parallel, or they may sometimes be executed in the reverse order, depending on the functions involved. Each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can be implemented by a dedicated hardware-based system that performs the specified functions or actions, or can be implemented by a combination of dedicated hardware and computer instructions.

Claims

1. A control method for an air purifier, characterized in that, Including: Obtain the pollutant concentration in the purification area; Determine the output voltage of the air purifier according to the pollutant concentration and control the air purifier to operate according to the output voltage; Obtain the actual air purification efficiency of the air purifier; Correct the output voltage according to the actual air purification efficiency and control the air purifier to operate according to the corrected output voltage.

2. The control method according to claim 1, wherein The air purifier includes an air outlet and an air inlet, and the actual air purification efficiency F of the air purifier is obtained in the following manner: Where p represents the pollutant concentration at the air outlet and q represents the pollutant concentration at the air inlet; Or The actual air purification efficiency F of the air purifier is obtained in the following manner: where n i represents the pollutant concentration in the purification area after the air purifier operates for i cycles, where i > 0.

3. The control method according to claim 1 or 2, characterized in that Correcting the output voltage according to the actual air purification efficiency includes: Obtain the ideal purification efficiency of the air purifier corresponding to the output voltage and the usage parameters of the air purifier; Correct the ideal purification efficiency according to the usage parameters to obtain the theoretical purification efficiency of the air purifier; Correct the output voltage according to the actual air purification efficiency and the theoretical purification efficiency.

4. The control method according to claim 3, wherein The theoretical purification efficiency includes a first theoretical purification efficiency F1 and a second theoretical purification efficiency F2; correcting the output voltage according to the actual air purification efficiency and the theoretical purification efficiency includes: When F < F1, determine the first correction value V1' of the output voltage according to the first preset rule and correct the output voltage according to the first correction value; When F1 ≤ F ≤ F2, determine that the correction value of the output voltage is 0; When F2 > F, determine the second correction value V2' of the output voltage according to the second preset rule and correct the output voltage according to the second correction value; Where F represents the air purification efficiency of the air purifier.

5. The control method according to claim 4, wherein Determine the first correction value V1' of the output voltage in the following manner: V1' = a × (F1 - F); where a represents the correction parameter; And / or Determine the second correction value V2' of the output voltage in the following manner: V2' = -a × (F2 - F); where a represents the correction parameter.

6. The control method according to claim 4, wherein Determine the first correction value V1' of the output voltage in the following manner: V1' = b × (R0 - R); where b represents the correction parameter, R0 represents the target air purification rate of the purification area, and R represents the real-time air purification rate of the purification area; And / or Determine the second correction value V2' of the output voltage in the following manner: V2' = -b × (R0 - R); where b represents the correction parameter, R0 represents the target air purification rate of the purification area, and R represents the real-time air purification rate of the purification area.

7. The control method according to claim 6, wherein Determine the real-time air purification rate R of the purification area in the following manner: Wherein, n0 represents the pollutant concentration in the purification area before the air purifier operates after receiving the instruction to start the air purifier, and n i represents the pollutant concentration in the purification area after the air purifier operates for i cycle durations, where i > 0; and / or, Obtain the target air purification rate of the purification area in the following manner: Obtain the theoretical air purification rate of the purification area and the correction factor; correct the theoretical air purification rate according to the correction factor to obtain the target air purification rate.

8. The control method according to claim 1 or 2, characterized in that, Further including: Obtain the physiological parameters of the user; Determine the pollutant concentration threshold according to the physiological parameters; When the pollutant concentration in the purification area is less than the pollutant concentration threshold, control the air purifier to stop running; or, Obtain the real-time air purification rate and the target air purification rate of the purification area; When the real-time air purification rate is greater than or equal to the target air purification rate, control the air purifier to stop running.

9. A control device for an air purifier, comprising a processor and a memory storing program instructions, characterized in that The processor is configured to execute the control method of the air purifier according to any one of claims 1 to 8 when running the program instructions.

10. An air purifier, characterized in that, Comprising: Purifier body; The control device of the air purifier according to claim 9, installed on the purifier body.

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