CN111981596A - Purification apparatus, control method thereof, and computer-readable storage medium - Google Patents
Purification apparatus, control method thereof, and computer-readable storage medium Download PDFInfo
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- CN111981596A CN111981596A CN202010891629.5A CN202010891629A CN111981596A CN 111981596 A CN111981596 A CN 111981596A CN 202010891629 A CN202010891629 A CN 202010891629A CN 111981596 A CN111981596 A CN 111981596A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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Abstract
The invention discloses a control method of a purification device, which comprises the following steps: collecting reference information in an action space of the purifying device, wherein the reference information comprises at least one of sound and images; when a preset event is determined to occur according to the reference information, determining a position corresponding to the occurrence of the preset event, wherein the preset event comprises at least one of coughing and sneezing; determining the area where the position is located, and controlling the purification device to move to the area; adjusting the operation parameters of the purification device to purify and disinfect the area. The invention also discloses a purification device and a computer readable storage medium. The invention eliminates bacteria produced by coughing or sneezing of users, avoids the spread of bacteria and ensures the health of family members.
Description
Technical Field
The present invention relates to the field of purification technologies, and in particular, to a purification apparatus, a control method thereof, and a computer-readable storage medium.
Background
A family has multiple members, each of which may be co-located in a room. When a family member coughs or sneezes, aerosol such as droplets are ejected. Bacteria in the spray can be transmitted through the aerosol, thereby allowing other family members to become infected. That is, there is a problem that the user coughs or sneezes to cause the spread of bacteria.
Disclosure of Invention
The invention mainly aims to provide a purification device, a control method thereof and a computer readable storage medium, aiming at solving the problem of bacterial transmission caused by coughing or sneezing of a user.
In order to achieve the above object, the present invention provides a control method of a purification apparatus, including the steps of:
collecting reference information in an action space of the purifying device, wherein the reference information comprises at least one of sound and images;
when a preset event is determined to occur according to the reference information, determining a position corresponding to the occurrence of the preset event, wherein the preset event comprises at least one of coughing and sneezing;
determining the area where the position is located, and controlling the purification device to move to the area;
adjusting the operation parameters of the purification device to purify and disinfect the area.
In an embodiment, after the step of collecting the reference information in the action space of the purification device, the step of determining whether a preset event occurs according to the reference information further includes:
and identifying the sound to determine whether the sound is a preset sound, wherein when the sound is the preset sound, a preset event is determined to occur, and the preset sound comprises at least one of cough sound and sneeze sound.
In an embodiment, after the step of identifying the sounds to determine whether the sounds are preset sounds, the method further includes:
when the sound is a preset sound, extracting sound parameters of the sound, wherein the sound parameters comprise at least one of volume, frequency and duration of the preset sound;
when the sound parameters are matched with preset sound parameters, judging that a preset event occurs, and executing the step of determining the position corresponding to the occurrence of the preset event, wherein the preset sound parameters are determined according to the sound parameters of preset sound emitted by a user.
In an embodiment, after the step of identifying the sound to determine whether the sound includes a preset sound, the method further includes:
when the sound comprises a preset sound, extracting voiceprint features corresponding to the preset sound;
and when the sound features are matched with preset voiceprint features, judging that a preset event occurs, and executing the step of determining the position corresponding to the occurrence of the preset event, wherein the preset voiceprint features are the voiceprint features of the home user.
In one embodiment, the step of identifying the sound to determine whether the sound includes a preset sound includes:
the sound is recognized through a sound recognition model to determine whether the sound includes a preset sound.
In an embodiment, the reference information includes an image, and after the step of acquiring the reference information in the action space of the purification device, the step of determining whether a preset event occurs according to the reference information further includes:
extracting features of the user in the image, wherein the features comprise at least one of facial expressions and limb movements;
and determining whether the features are matched with preset features, wherein when the features are matched with the preset features, a preset event is judged to occur, and the preset features are determined according to the facial expression and the limb actions of the user when the preset event is performed.
In one embodiment, after the step of adjusting the operation parameters of the purification device, the method further includes:
collecting a concentration of aerosol in the region;
and when the concentration is smaller than the preset concentration, controlling the purification device to operate according to the stored operation parameters, wherein the purification device stores the current operation parameters of the purification device when the reference information triggers the preset event.
In an embodiment, after the step of determining the area where the position is located, the method further includes:
collecting the distribution characteristics of the aerosol corresponding to the area;
and when the distribution characteristics match preset distribution characteristics, executing the step of controlling the purification device to move to the area.
In order to achieve the above object, the present invention further provides a purification apparatus including a memory, a processor, and a control program stored in the memory and executable on the processor, the control program, when executed by the processor, implementing the steps of the control method of the purification apparatus as described above.
In one embodiment, the purification device is an air conditioner or purifier.
To achieve the above object, the present invention also provides a computer-readable storage medium storing a control program that, when executed by a processor, implements the respective steps of the control method of the purification apparatus as described above.
According to the purification device, the control method and the computer readable storage medium provided by the invention, the purification device collects reference information such as sound and images in an action space, determines the position of a preset event when the preset event such as cough, sneeze and the like is determined according to the reference information, and controls the purification device to move to the area where the position is located, so that the operation parameters of the purification device are adjusted to purify and disinfect the area where the position is located. When the purification device monitors occurrence of coughing and sneezing, the positions where the sneezing and the coughing occur are purified and disinfected, so that bacteria generated by the coughing or the sneezing of a user are eliminated, the spread of the bacteria is avoided, and the health of family members is ensured.
Drawings
FIG. 1 is a schematic diagram of a hardware architecture of a purification apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart showing a first embodiment of a control method of the purification apparatus of the present invention;
FIG. 3 is a schematic flow chart showing a control method of the purification apparatus according to the second embodiment of the present invention;
FIG. 4 is a schematic flow chart showing a control method of the purification apparatus according to the third embodiment of the present invention;
fig. 5 is a schematic flow chart of a control method of the purification apparatus according to the fourth embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: collecting reference information in an action space of the purifying device, wherein the reference information comprises at least one of sound and images; when a preset event is determined to occur according to the reference information, determining a position corresponding to the occurrence of the preset event, wherein the preset event comprises at least one of coughing and sneezing; determining the area where the position is located, and controlling the purification device to move to the area; adjusting the operation parameters of the purification device to purify and disinfect the area.
When the purification device monitors occurrence of coughing and sneezing, the positions where the sneezing and the coughing occur are purified and disinfected, so that bacteria generated by the coughing or the sneezing of a user are eliminated, the spread of the bacteria is avoided, and the health of family members is ensured.
As shown in fig. 1, fig. 1 is a schematic diagram of a hardware configuration of a purification apparatus according to an embodiment of the present invention.
The terminal related to the embodiment of the invention can be a purification device, the purification device can be equipment with purification and sterilization functions, such as an air conditioner, a purifier and the like, and the purification device comprises: a processor 101, such as a CPU, a memory 102 and a communication bus 103. Wherein a communication bus 103 is used for enabling the connection communication between these components.
The memory 102 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory). As shown in fig. 1, a control program may be included in the memory 103 as a kind of computer storage medium; and the processor 101 may be configured to call the control program stored in the memory 102 and perform the following operations:
collecting reference information in an action space of the purifying device, wherein the reference information comprises at least one of sound and images;
when a preset event is determined to occur according to the reference information, determining a position corresponding to the occurrence of the preset event, wherein the preset event comprises at least one of coughing and sneezing;
determining the area where the position is located, and controlling the purification device to move to the area;
adjusting the operation parameters of the purification device to purify and disinfect the area.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
and identifying the sound to determine whether the sound is a preset sound, wherein when the sound is the preset sound, a preset event is determined to occur, and the preset sound comprises at least one of cough sound and sneeze sound.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
when the sound is a preset sound, extracting sound parameters of the sound, wherein the sound parameters comprise at least one of volume, frequency and duration of the preset sound;
when the sound parameters are matched with preset sound parameters, judging that a preset event occurs, and executing the step of determining the position corresponding to the occurrence of the preset event, wherein the preset sound parameters are determined according to the sound parameters of preset sound emitted by a user.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
when the sound comprises a preset sound, extracting voiceprint features corresponding to the preset sound;
and when the sound features are matched with preset voiceprint features, judging that a preset event occurs, and executing the step of determining the position corresponding to the occurrence of the preset event, wherein the preset voiceprint features are the voiceprint features of the home user.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
the sound is recognized through a sound recognition model to determine whether the sound includes a preset sound.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
extracting features of the user in the image, wherein the features comprise at least one of facial expressions and limb movements;
and determining whether the features are matched with preset features, wherein when the features are matched with the preset features, a preset event is judged to occur, and the preset features are determined according to the facial expression and the limb actions of the user when the preset event is performed.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
collecting a concentration of aerosol in the region;
and when the concentration is smaller than the preset concentration, controlling the purification device to operate according to the stored operation parameters, wherein the purification device stores the current operation parameters of the purification device when the reference information triggers the preset event.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
collecting the distribution characteristics of the aerosol corresponding to the area;
and when the distribution characteristics match preset distribution characteristics, executing the step of controlling the purification device to move to the area.
According to the scheme, the purification device collects reference information such as sound and images in the action space, when the preset events such as coughing and sneezing are determined according to the reference information, the position of the preset event is determined, the purification device is controlled to move to the area where the position is located, and therefore the operation parameters of the purification device are adjusted to purify and disinfect the area where the position is located. When the purification device monitors occurrence of coughing and sneezing, the positions where the sneezing and the coughing occur are purified and disinfected, so that bacteria generated by the coughing or the sneezing of a user are eliminated, the spread of the bacteria is avoided, and the health of family members is ensured.
Based on the hardware architecture of the purification apparatus, an embodiment of the control method of the purification apparatus of the present invention is provided.
Referring to fig. 2, fig. 2 is a first embodiment of a control method of a purification apparatus of the present invention, including the steps of:
step S10, collecting reference information in the action space of the purification device, wherein the reference information comprises at least one of sound and images;
in the present embodiment, the execution subject is a purification apparatus. The purification device may be equipment with a purification function such as sterilization, disinfection, and the like, for example, an air conditioner, a purifier, and the like. The purifying device is provided with an image acquisition module and a sound acquisition module. The image acquisition module can be a camera, and the purifying device can acquire images in the action space of the purifying device through the image acquisition module. The sound collection module can be a microphone and is used for collecting the sound of the room where the purification device is located. The purification device can start at least one of the sound acquisition module and the image acquisition module to acquire reference information in the purification device in real time or at regular time, wherein the reference information is at least one of sound and images. That is, if the image acquisition module is started by the purification device, the reference information is an image; if the sound collection module is started, the reference information is sound; if the purification device starts the sound acquisition module and the image acquisition module, the reference information comprises sound and images.
Step S20, determining whether a preset event occurs according to the reference information;
and after the purification device collects the reference information, determining whether a preset event occurs according to the reference information. The predetermined event is at least one of coughing and sneezing. Specifically, when the reference information is a sound, the sound collected by the purification device may be uploaded to the server, and the sound may be recognized by the sound recognition model in the server to determine whether the sound is a cough sound or a sneeze sound. And when the reference information is the image, the purifying device identifies the expression and the action of the user in the image by identifying the image, and if the expression is the preset expression and the action is the preset action, the preset event can be determined to occur. For example, when a user coughs, the user can perform the action of covering the mouth, the eyebrows are wrinkled, the action of covering the mouth is a preset action, and the action of covering the eyebrows is a preset expression; during sneezing, the user can do actions of covering the nose or kneading the nose, and the actions of covering the nose and kneading the nose are preset actions; for another example, when sneezing, the user may close his eyes and face upward, which are the preset actions and expressions.
The characteristic sounds to be recognized by the sound recognition model include coughing sounds, sneezing sounds, baby crying sounds, distress sounds, laughing sounds, television program sounds, and other sounds related to health and safety in the home. The training process of the voice recognition model comprises the following steps: collecting, cleaning and labeling characteristic sound and environment sound audio data, wherein the environment sound comprises but is not limited to television program sound, music sound, street automobile sound, street human sound, household appliance running noise and the like; and training the model according to the identified sound data to obtain a sound recognition model.
The collection, cleaning and labeling processes of the sound data are described as follows:
collecting: collected manually in different home environments, or purchased from third party data service providers;
cleaning: removing audio which is not required, has tone quality which cannot meet the requirement and the like, and cutting the audio when necessary; transcoding the audio frequency if necessary, and converting the audio frequency into a WAV or PCM format;
labeling: the audio data are labeled with the corresponding types, namely coughing, sneezing, baby crying, distress, laughing, program sound of a television and the like.
The purification device performs acoustic processing such as discrete cosine transform, fast Fourier transform, windowing and framing on the marked audio to obtain an MFCC (Mel-scale Frequency Cepstral Coefficients) vector representing audio and sound characteristics, and then inputs the vector into a model to train to obtain a sound recognition model. After various sound features are extracted and expressed into vectors, classifiers capable of identifying various sounds can be obtained through training of the neural network model, namely whether the collected sounds comprise coughing sounds and sneezing sounds or not can be identified through the trained classifiers by the sound identification model.
Of course, the purification device may further include an image recognition model, the training process of the image recognition model refers to the training process of the voice recognition model, and the training process of the image recognition model also passes through the stages of data collection, data cleaning and labeling, feature representation and model training.
Step S30, when the occurrence of a preset event is determined according to the reference information, determining the position corresponding to the occurrence of the preset event, wherein the preset event comprises at least one of coughing and sneezing;
when the purifying device determines that the preset event occurs, the position where the preset event occurs is located. Specifically, the purification device can identify the sound source direction by the microphone array, that is, can be positioned at a position where a cough or sneeze is generated. The purification apparatus is positioned to a position where the cough and sneeze sound are emitted based on the coordinates of the user in the image, i.e., the user who coughs and sneezes in the image. The microphones may be circular or linear 6 microphones to more accurately determine the sound source orientation.
Step S40, determining the area where the position is located, and controlling the purification device to move to the area;
and step S50, adjusting the operation parameters of the purification device to purify and disinfect the area.
After the purifier is positioned to the position where sneezing or coughing occurs, the purifier adjusts the operating parameters to purify and disinfect the area where the position is located. The operation parameter that purifier adjusted can be at least one in amount of wind, wind direction, temperature, purification module's start parameter and infrared ray or ultraviolet sending power in the mode of disinfecting, and the region that also is the position place is carried out the air supply to purifier adjustment operation parameter, and to this region emission infrared ray in order to improve this region's temperature, or to this region emission ultraviolet ray in order to disinfect this region, can also improve the temperature that the air-out temperature improves this region. Of course, the purification device can temporarily stop the current operation mode and directly enter the purification and disinfection mode to purify and disinfect the area where the cough and sneeze occur.
In addition, after the purification device is positioned in the position, the area where the position is located is determined, then the purification device is controlled to move to the area, and the operation parameters of the purification device are adjusted so as to quickly purify and disinfect the area. In particular, the purification device may be mobile, i.e. the purification device may be a mobile purifier or a mobile air conditioner. After the purification device determines the position where sneezing or coughing occurs, the region where the position is located is determined with the position as the center, the size of the region may be a preset value, and the region may be any shape such as a circle or a rectangle.
After the area where the position is located is determined, the purification device is moved to the area through indoor navigation technology, or the purification device is directly positioned to the area and then moved to the area. After the purification device moves to the area again, the operation parameters are adjusted, so that the purification device can rapidly purify and disinfect the area in a short distance.
The purification device is provided with an aerosol sensor for detecting the concentration of the aerosol. After the purification device moves to the area where the sneezing or coughing occurs to perform purification and disinfection, the purification device controls the aerosol sensor to detect the concentration of the aerosol, if the concentration is smaller than the preset concentration, the bacteria in the area can be determined to be eliminated, and the purification device does not need to perform purification and disinfection on the area. The purification device is then operated with the stored operating parameters. The time of the operating parameters stored by the purification device is the time when the purification device determines that coughing and sneezing occur.
In the technical scheme provided by the embodiment, the purification device collects reference information such as sound and images in the action space, determines the position of a preset event when the preset event such as cough and sneeze is determined to occur according to the reference information, determines the area where the position is located, and controls the purification device to move to the area, so that the operation parameters of the purification device are adjusted to purify and disinfect the area where the position is located. When the purification device monitors occurrence of coughing and sneezing, the positions where the sneezing and the coughing occur are purified and disinfected, so that bacteria generated by the coughing or the sneezing of a user are eliminated, the spread of the bacteria is avoided, and the health of family members is ensured.
Referring to fig. 3, fig. 3 is a second embodiment of the control method of the purification apparatus according to the present invention, and based on the first embodiment, the step S20 includes:
step S21, recognizing the sound to determine whether the sound is a preset sound, wherein when the sound is a preset sound, a preset event is determined to occur, and the preset sound includes at least one of a cough sound and a sneeze sound;
in this embodiment, the reference information includes sound, i.e., the purifying apparatus recognizes the sound to determine whether the sound is at least one of a cough and a sneeze. Specifically, the sound characteristics corresponding to the cough sound and the sneeze sound are stored in the purification device, and the stored sound characteristics are preset sound characteristics. After the purification device acquires the sound, the sound feature of the sound is extracted. And if the similarity is greater than a preset threshold value, determining that the sound is the preset sound. The preset threshold may be any suitable value, for example, the preset threshold may be 90%. It should be noted that the sound intensity of the cough sound and the sneeze sound is large, the sound collected by the purification device includes environmental noise, television sound, and the like, the purification device can extract sound with a preset amplitude from the sound, and the preset amplitude is determined by the sound intensity of the cough sound and the sneeze sound. And the purification device calculates the similarity between the sound characteristics corresponding to the extracted sound and the preset sound characteristics so as to determine whether the sound is the preset sound.
Further, as the user is watching television, the people in the television coughs and sneezes as needed based on the scenario. When the purification apparatus determines that the sound is a cough or a sneeze, it is necessary to further determine whether the cough or the sneeze is emitted by the user. Specifically, when a person coughs and sneezes, the volume, frequency and duration of the coughs and sneezes are all relatively special, that is, the coughs and sneezes have unique sound parameters, and the sound parameters comprise at least one of audio frequency, frequency and duration. Since the sound parameters of coughing and sneezing are changed by the human voice in the television through the processing such as beautification, the purification device can determine whether the coughing and the sneezing are emitted by the user according to the sound parameters of the coughing and the sneezing in the real scene of the user. The purification device extracts sound parameters of the sound, and then judges whether the sound parameters are matched with preset sound parameters, wherein the preset sound parameters are determined according to the sound parameters of the preset sound emitted by the user, namely the preset sound parameters are determined according to at least one of the volume, the frequency and the duration of sneezing and coughing of the user in an actual scene. If the difference value between the sound parameter and the preset sound parameter is smaller than the preset difference value, the sound parameter can be determined to be matched with the preset sound parameter, namely the occurrence of the preset time can be determined, and at the moment, the position corresponding to the occurrence of the preset event is determined by the purifying device so as to purify and disinfect the area where the position is located.
In addition, the purification apparatus may determine whether the sound is uttered by the user through the stored preset voiceprint characteristics after determining that the sound is the preset sound. The preset voiceprint characteristics are the voiceprint characteristics of the home user. The purification device extracts voiceprint characteristics of preset sound, similarity calculation is carried out on the voiceprint characteristics and the preset voiceprint characteristics, if the similarity is larger than a preset threshold value, a family user can be determined to send the sound instead of the electronic equipment, and the purification device determines the position where the preset time occurs again, so that the area where the position is located is purified and disinfected.
In the technical scheme provided by this embodiment, the purification device identifies the sound, thereby determining whether the sound is sneezing sound or coughing sound, and accurately purifying and sterilizing the area where the sneezing sound and the coughing sound are located.
Referring to fig. 4, fig. 4 is a third embodiment of the control method of the purification apparatus according to the present invention, and based on the first embodiment, the step S20 includes:
step S22, extracting the characteristics of the user in the image, wherein the characteristics comprise at least one of facial expressions and limb movements;
step S23, determining whether the characteristics are matched with preset characteristics, wherein when the characteristics are matched with the preset characteristics, a preset event is determined, and the preset characteristics are determined according to the facial expression and the limb movement of the user when the preset event is performed.
In this embodiment, the image is captured by the image purification device, and then it is determined whether the user is included in the image. If the image comprises the user, the purification device extracts the characteristics of the user from the image, wherein the characteristics comprise at least one of facial expressions and limb movements. The purification device stores preset characteristics which are determined according to the facial expressions and the body movements of the user when the user sneezes and coughs.
The preset features may be facial features extracted from facial expressions of the user during sneezing or coughing, or preset features and figures corresponding to body movements of the user. The limb movement may be a hand movement, a face movement, or a combined movement of the individual limbs. That is, the purifying device extracts the human face features and the user limb actions and other features, then determines the similarity between the features and the preset features, and if the similarity is larger, the user can be determined to sneeze or cough. Of course, the device can judge whether the user sneezes or coughs through the facial expression and the limb movement, thereby improving the judgment accuracy.
Of course, the purification apparatus can directly recognize whether the user sneezes or coughs in the image through the image recognition model.
When the purifying device determines that the sound is the preset sound, the device may further determine whether the cough sound or the sneeze sound is emitted by the user in step S22 and step S23, that is, the purifying device accurately determines whether the cough sound or the sneeze sound is emitted by the user in combination with the sound recognition and the image recognition.
In the technical scheme provided by the embodiment, the purification device extracts the facial expression and the limb movement characteristics of the user in the image, so that whether the user sneezes or coughs can be accurately determined according to the characteristics.
Referring to fig. 5, fig. 5 shows a fifth embodiment of the control method of the purification apparatus according to the present invention, and the step S40 includes:
step S41, determining the area where the position is located;
step S42, collecting the distribution characteristics of the aerosol corresponding to the region;
and step S43, controlling the purification device to move to the area when the distribution characteristics are matched with preset distribution characteristics.
In this embodiment, the purification apparatus may be provided with a laser radar. After the position where sneezing or coughing has occurred is determined, the purification device determines the region where the position is located. And the laser radar is started again by the purification device, and is controlled to scan the area so as to acquire the distribution characteristics of the aerosol in the area.
When a user sneezes or coughs, the ejected droplets are aerosols, and the aerosols are concentrated in a certain area. Thus, the predetermined distribution characteristic stored in the purification device is a high concentration of droplets. The distribution characteristics collected by the purification device can be represented in the form of images, if the difference value between the aerosol density represented by the distribution characteristics and the aerosol density represented by the preset distribution characteristics is small, the distribution characteristics can be determined to be matched with the preset distribution characteristics, the purification device can determine that the user sprays droplets when sneezing or coughing, and at the moment, the purification device needs to adjust the operation parameters to purify and disinfect. If the distribution characteristics do not match the preset distribution characteristics, the region does not need to be purified and disinfected.
In the technical scheme that this embodiment provided, purifier confirms the region that this position belongs to after confirming the position that takes place cough or sneeze, gathers the distribution characteristic of aerosol in this region, if the distribution characteristic matches preset distribution characteristic, can confirm that the user spouts the droplet when coughing or sneezing, and purifier needs to purify the disinfection to this region, avoids purifier to carry out unnecessary purification and disinfection.
The present invention also provides a purification apparatus including a memory, a processor, and a control program stored in the memory and executable on the processor, the control program, when executed by the processor, implementing the steps of the control method of the purification apparatus according to the above embodiment.
The present invention also provides a computer-readable storage medium storing a control program that, when executed by a processor, implements the respective steps of the control method of the purification apparatus described in the above embodiment.
The present invention also provides a home appliance including a memory, a processor, and a control program of a purification apparatus stored in the memory and executable on the processor, wherein the control program of the purification apparatus implements the steps of the method of controlling the purification apparatus according to the above embodiment when executed by the processor.
The present invention also provides a computer-readable storage medium storing a control program of a purification apparatus, which when executed by a processor, implements the respective steps of the control method of the purification apparatus as described in the above embodiment.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioning device, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations that may be embodied in the present specification and drawings, or directly or indirectly applied to other related arts, and are within the scope of the present invention.
Claims (11)
1. A control method of a purification apparatus, characterized by comprising the steps of:
collecting reference information in an action space of the purifying device, wherein the reference information comprises at least one of sound and images;
when a preset event is determined to occur according to the reference information, determining a position corresponding to the occurrence of the preset event, wherein the preset event comprises at least one of coughing and sneezing;
determining the area where the position is located, and controlling the purification device to move to the area;
adjusting the operation parameters of the purification device to purify and disinfect the area.
2. The control method of a purification apparatus according to claim 1, wherein the reference information includes sound, and the step of collecting the reference information in the space where the purification apparatus acts further comprises determining whether a predetermined event occurs according to the reference information, and the step of determining whether the predetermined event occurs according to the reference information comprises:
and identifying the sound to determine whether the sound is a preset sound, wherein when the sound is the preset sound, a preset event is determined to occur, and the preset sound comprises at least one of cough sound and sneeze sound.
3. The control method of a purification apparatus according to claim 2, wherein the step of recognizing the sounds to determine whether the sounds are preset sounds further comprises:
when the sound is a preset sound, extracting sound parameters of the sound, wherein the sound parameters comprise at least one of volume, frequency and duration of the preset sound;
when the sound parameters are matched with preset sound parameters, judging that a preset event occurs, and executing the step of determining the position corresponding to the occurrence of the preset event, wherein the preset sound parameters are determined according to the sound parameters of preset sound emitted by a user.
4. The control method of a purification apparatus according to claim 2, wherein the step of recognizing the sound to determine whether the sound includes a preset sound further comprises:
when the sound comprises a preset sound, extracting voiceprint features corresponding to the preset sound;
and when the sound features are matched with preset voiceprint features, judging that a preset event occurs, and executing the step of determining the position corresponding to the occurrence of the preset event, wherein the preset voiceprint features are the voiceprint features of the home user.
5. The control method of a purification apparatus according to claim 2, wherein the recognizing the sound to determine whether the sound includes a preset sound comprises:
the sound is recognized through a sound recognition model to determine whether the sound includes a preset sound.
6. The control method of a purification apparatus according to claim 1, wherein the reference information comprises an image, and the step of acquiring the reference information in the space where the purification apparatus acts further comprises determining whether a predetermined event occurs according to the reference information, and the step of determining whether the predetermined event occurs according to the reference information comprises:
extracting features of the user in the image, wherein the features comprise at least one of facial expressions and limb movements;
and determining whether the features are matched with preset features, wherein when the features are matched with the preset features, a preset event is judged to occur, and the preset features are determined according to the facial expression and the limb actions of the user when the preset event is performed.
7. The control method of a purification apparatus according to any one of claims 1 to 6, wherein the step of adjusting the operation parameter of the purification apparatus is followed by further comprising:
collecting a concentration of aerosol in the region;
and when the concentration is smaller than the preset concentration, controlling the purification device to operate according to the stored operation parameters, wherein the purification device stores the current operation parameters of the purification device when the reference information triggers the preset event.
8. The control method of a purification apparatus according to any one of claims 1 to 6, wherein the step of determining the region in which the position is located, is followed by further comprising:
collecting the distribution characteristics of the aerosol corresponding to the area;
and when the distribution characteristics match preset distribution characteristics, executing the step of controlling the purification device to move to the area.
9. A purification apparatus comprising a memory, a processor, and a control program stored in the memory and executable on the processor, the control program, when executed by the processor, implementing the steps of the control method of the purification apparatus according to any one of claims 1 to 8.
10. The purification apparatus of claim 9, wherein the purification apparatus is an air conditioner or a purifier.
11. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a control program which, when executed by a processor, implements the steps of the control method of a purification apparatus according to any one of claims 1 to 8.
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