CN108433318B - Electric hair drier and method for controlling electric hair drier - Google Patents
Electric hair drier and method for controlling electric hair drier Download PDFInfo
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- CN108433318B CN108433318B CN201810258176.5A CN201810258176A CN108433318B CN 108433318 B CN108433318 B CN 108433318B CN 201810258176 A CN201810258176 A CN 201810258176A CN 108433318 B CN108433318 B CN 108433318B
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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Abstract
A hair dryer and a method of controlling a hair dryer are disclosed. This hairdryer can include: a camera configured to acquire images in real time; a controller configured to analyze the acquired image to identify hair characteristics, and to determine an air blow mode of the hair dryer according to the identified hair characteristics; and an air blowing mechanism configured to blow air according to the determined air blowing mode. The electric hair drier can automatically select and adjust the air supply mode according to the condition of hair.
Description
Technical Field
The present disclosure relates generally to the field of smart living and, in particular, to a hair dryer and a method for controlling a hair dryer.
Background
An electric hair drier is a common electric appliance. The conventional hair dryer has a single function, and the temperature, the wind speed and the wind direction of the air supply are often required to be manually controlled, or the air supply mode is required to be selected according to experience.
Intelligent hair dryers that provide a better user experience are desired.
Disclosure of Invention
According to an aspect of the present disclosure, there is provided a hair dryer that may include a camera, a controller, and an air delivery mechanism. The camera may be configured to acquire images in real time. The controller may be configured to analyze the captured image to identify hair characteristics, and to determine an air blow pattern of the hair dryer based on the identified hair characteristics. The air blowing mechanism may be configured to blow air according to the determined air blowing mode.
According to another aspect of the present disclosure, there is also provided a method of controlling a hair dryer, which may include: instructing a camera of the hair dryer to acquire images in real time; analyzing the acquired images to identify hair features; determining an air supply mode of the electric hair drier according to the identified hair characteristics; and instructing an air supply mechanism of the electric hair drier to supply air according to the determined air supply mode.
According to another aspect of the present disclosure, there is also provided a non-transitory storage medium having stored thereon program instructions that, when executed by a controller of a hair dryer, can perform the above-described method.
With the hair dryer and the method for controlling the hair dryer according to the embodiments of the present disclosure, the blowing mode can be automatically selected and adjusted according to the condition of the hair without prior knowledge of the user about the blowing, so that the user experience can be greatly improved.
Drawings
Fig. 1 shows a schematic view of the structure of a hair dryer according to an embodiment of the present disclosure.
Fig. 2 shows a schematic view of the structure of a hair dryer according to an embodiment of the present disclosure.
Fig. 3 shows a flow chart of a method for controlling a hair dryer according to an embodiment of the present disclosure.
Detailed Description
In order to achieve the basic function of the hair dryer (i.e., the blowing function), as shown in fig. 1, the hair dryer according to the embodiment of the present disclosure may include, for example, a blowing mechanism 3 disposed inside a housing 4. The air supply mechanism 3 may be configured to supply air in accordance with a certain air supply mode (e.g., default mode, hair straightening mode, hair curling mode, quick drying mode, etc.).
In one embodiment, the blowing mechanism 3 of the hair dryer according to the embodiment of the present disclosure can be an air pushing device using fan blades. For example, the air blowing mechanism 3 may include a motor (e.g., a permanent magnet motor, a series motor, an induction motor) and a fan blade (e.g., may be made of a material such as a metal sheet or plastic). The fan blade can be arranged on the shaft end of the motor and can rotate through the driving of the motor so as to suck air from the air inlet of the electric hair drier and blow air from the air outlet. In addition, the air blowing mechanism 3 may further include an electric heating element (e.g., a PTC thermistor, a nichrome wire wound on a porcelain or mica bracket, etc.) in order to control the temperature of the blown air. In addition, the air blowing mechanism 3 may further include a wind deflector (e.g., a circular wind deflector provided at the air inlet) so as to control the speed and temperature of the air blowing.
All the components of the blowing mechanism 3 can be arranged in the main body portion 5 as required, depending on the design of the hair dryer, for example; it is also possible to arrange one or more components of the feed mechanism 3 (e.g. part of the motor, blades, heating elements, wind deflector, etc.) in the main body portion 5, while another one or more components (e.g. part of the motor, power supply means, one or more switches for controlling the rotation of the motor, the heating temperature of the heating elements and/or the degree of opening of the wind deflector, etc.) are arranged in the handle or base portion 6 and/or on the handle or base portion 6.
In another embodiment, the blowing mechanism 3 of the hair dryer according to the embodiment of the present disclosure also adopts an air multiplier. In this embodiment, for example, the body portion 5 may be a frame-shaped structure of a ring shape, an oval shape, a rectangular shape, a heart shape, or any other shape, and may be provided with an air outlet slit. In addition, the air intake may be provided on the handle or base portion 6, and the motor and the like may be provided in the handle or base portion 6.
According to various embodiments, the body portion 5 and the handle or base portion 6 may be integral or detachable. In one embodiment, a continuous mechanism connecting the body portion 5 and the handle or base portion 6 may be configured to enable the body portion 5 to change angle and/or orientation relative to the handle or base portion 6, for example to enable an increase or decrease in the angle between the body portion 5 and the handle or base portion 6.
In the example of fig. 1, the volume and shape of the handle or base portion 6 may be configured to facilitate hand-holding. In further examples, the base portion 6 may also be configured to be able to fix the hair dryer at a certain position. For example, as shown in fig. 2, the volume and shape of the base portion 6 may be configured to enable the main body portion 5 of the hair dryer to be positioned over the head of a user, for example, seated in a chair.
The shape and/or appearance of the hair dryer according to the embodiments of the present disclosure are not limited to the examples of fig. 1 and 2, and the arrangement and arrangement positions of the various components thereof may be determined according to various aspects such as the shape and size of the housing of the hair dryer, the air supply and/or temperature control technique adopted, and the like. In addition, the hair dryer of the embodiments of the present disclosure is not limited to the specific materials, shapes, structures, etc. of the blowing mechanism and other components or accessories, such as the power supply device, the wind scooper, the hair straightening plate, the hair curling plate, etc., nor to the connection and assembly manner between the components and/or accessories of the hair dryer.
As shown in fig. 1, the hair dryer according to the embodiment of the present disclosure may further include a camera 1 and a controller 2.
The camera 1 may be configured to acquire images in real time. In different embodiments, the camera 1 may have any suitable number (e.g., one or more), shape, structure, resolution, type (e.g., 2D or 3D image, etc.) and format (e.g., JPEG format or PNG format or BMP format, etc.), etc., as desired.
In the example of fig. 1, the camera 1 can be arranged on the main body part 5 of the hair dryer and can be arranged on the housing 4, for example, close to the air outlet, in order to capture images, for example, about the hair. In further examples, the camera 1 may also be arranged at any other location suitable for capturing images, for example about the hair. For example, in case the main body part 5 of the hair dryer adopts a frame-shaped structure, the camera 1 can be arranged at the edge of the side of the frame-shaped structure facing the user.
In one embodiment, the camera head 1 may be a protruding structure on the housing 4, for example, as shown in fig. 1. In further embodiments, the camera 1 may also be embedded in the housing 4 such that, for example, the lens surface of the camera 1 is flush with the outer surface of the housing 4. In further embodiments, the camera head 1 may also be recessed in the housing 4.
In one embodiment, the camera 1 may be configured to be able to adjust the focal length and/or angle and/or height. In further embodiments, the camera 1 may employ a fixed focal length and/or angle and/or height.
In one embodiment, the camera 1 may be configured to capture still images. In further embodiments, the camera 1 may be configured to capture dynamic images (i.e., video). In the case where a plurality of cameras 1 are configured, it is also possible to configure a part of the cameras 1 to capture still images and another part of the cameras 1 to capture moving images.
The controller 2 may be configured to analyze the acquired image to identify hair characteristics, and may determine an air blow pattern of the hair dryer based on the identified hair characteristics. In further embodiments, the controller 2 may also be configured to control the motor rotation and/or the heating temperature of the electric heating element and/or the opening size of the windshield plate, etc.
In one embodiment, the controller 2 can be arranged in the main body part 5 of the hair dryer, or in the handle or base part 6, and can be connected (directly or indirectly) to the camera 1, the transport mechanism 3.
In one embodiment, the controller 2 may include a processor (e.g., general purpose processor, graphics processor). For example, in the case where the image analysis is implemented based on a deep learning method (e.g., an image recognition method based on a convolutional neural network), the controller 2 may include a dedicated processing chip, for example, a Convolutional Neural Network (CNN) chip or other Artificial Intelligence (AI) chip.
In further embodiments, the controller 2 may comprise a separate processing device (e.g., a general or special purpose computer, tablet, smart phone, remote control device for hair dryer, etc.) located outside the hair dryer. For example, the camera 1 may transmit the acquired image to the controller 2 in a wired or wireless manner. The controller 2 can perform image detection and recognition, and can transmit the analysis result and/or parameters and/or instructions to a control part of the controller 2 inside the hair dryer (e.g., in the main body part 5 or in the handle or base part 6) in a wired or wireless manner, such as a part of the controller 2 inside the hair dryer or various parts in the hair dryer (e.g., a control part or element for controlling a fan blade, an electric heating element, a wind shield and the like in the air supply mechanism 3), so as to instruct the air supply mechanism 3 to supply air according to the instructed air supply mode.
The controller 2 may be configured to perform image or video recognition on an image or sequence of images (video) from the camera 1 to extract one or more features about the hair (referred to herein as hair features) from the image or sequence of images. For example, where the controller 2 comprises a convolutional neural network chip, the controller 2 may be configured to execute any suitable convolutional neural network-based image recognition algorithm instructions and extract one or more features in an image or sequence of images.
According to various embodiments, the controller 2 may analyze/detect/identify hair features in the image/video using any suitable image/graphic detection/identification method or technique, for example, various methods and/or devices such as a scale invariant feature transformation algorithm, a corner-based image feature extraction and matching algorithm, a local feature-based image matching and identification, a visual information-based image feature extraction algorithm, corner detection, feature point detection, geometric analysis, and the like may be used.
According to various embodiments, the hair characteristics identified by the controller 2 may include whether the received image or video is an image or video about the hair, the texture of the hair in the image or video (e.g., texture types such as steel hair, cotton hair, oil hair, sofa, and curly hair that can reflect physical characteristics of the hair, texture types such as neutral hair, dry hair, oil hair, and damaged hair that can reflect a healthy state and/or a secretory state and/or a maintenance state, texture types that can reflect a thinning degree of the hair, etc.), the color of the hair, the hairstyle (e.g., short hair, long hair, straight hair, curly hair, etc.), the cleanliness of the hair (e.g., how much dandruff), the humidity of the hair (e.g., whether or not water droplets, residual moisture, or the amount of water droplets, etc. are present on the hair), wear on the hair (e.g., whether to wear or use a wearing article such as an ornament, a hair straightening plate, a hair curling plate, the type of the wearing article, the material, the size, the shape of the wearing article), and the like.
Then, the controller 2 may determine/set/select the blow mode of the hair dryer based on the identified hair characteristics.
In one embodiment, the controller 2 may automatically provide the air supply mechanism 3 with parameters and/or instructions related to the determined air supply mode, and instruct the air supply mechanism 3 to supply air according to the air supply mode determined by the controller 2.
In further embodiments, the controller 2 may output and/or display parameters and/or instructions related to the determined air supply mode to a user, so that the user can make corresponding settings and/or adjustments to enable the air supply mechanism 3 to supply air in a desired mode.
In one embodiment, the controller 2 may be further configured to analyze the image sequence captured by the camera 1 within a predetermined time period to determine the orientation of the hair dryer (e.g., whether to orient the hair, which part of the hair is oriented), the orientation change of the hair dryer (e.g., whether the orientation or angle of the hair dryer's outlet changes relative to the hair or a certain part of the hair, the degree of the change, etc.), the hair dryer-to-hair distance (e.g., the hair dryer-to-hair distance may be determined by analyzing the size of the hair image and/or the peripheral reference in the image), and the change of the hair dryer-to-hair distance (e.g., whether the distance changes and the degree of the change may be determined by analyzing the size change of the hair image in the image sequence). The controller 2 may then automatically set and/or adjust the air supply mode according to the analysis result.
In further embodiments, the controller 2 may be further configured to set and/or adjust the blow mode based on information such as the age of the user, the gender of the user, whether accessories are fitted to the hair dryer (e.g., wind scoops, hair straightening plates, hair curling plates), the type of accessories, and the motion status of the accessories (e.g., whether the hair straightening plates or hair curling plates move within a predetermined time period or whether the magnitude of movement within a predetermined time period exceeds a threshold).
In one embodiment, information such as the user's age and user's gender may be entered by the user, for example, via an input device (e.g., keypad, buttons, etc.) on the handle or base 6; it is also possible that an image or video, for example, about the user's face and/or hair is captured by the camera 1 in advance, and then the user's age and user's gender are determined or predicted by the controller 2 by analyzing the captured image or video, and may be confirmed or adjusted by the user through an input device on the handle or base 6.
In one embodiment, sensors or switches associated with the accessories may be provided in the hair dryer, and information such as whether the accessories are fitted to the hair dryer and the type of accessories may be conveyed by such sensors or switches.
In one embodiment, a motion sensor may be provided on an accessory of a hair dryer (e.g., a hair straightening plate or a hair curling plate), and the motion sensor may sense a state of motion of the accessory on the hair, such as the accessory stopping motionless on the user's hair for a predetermined period of time (e.g., 1 second, 2 seconds, etc.) or the magnitude of movement being less than a threshold value (e.g., 1 centimeter, 2 centimeters, etc.).
In further embodiments, the controller 2 may analyze the images and/or video of a certain length captured by the camera 1 in real time, and may then determine whether the user is using a hairdryer's accessory (e.g., a hair straightener or curler) to treat the hair and the type of accessory employed by identifying and detecting the captured images and/or video, and may determine or predict the motion state of the accessory based on, for example, the extent to which the blur appears in the images, the difference in the position of the accessory in the various frames of the video, etc. In this embodiment, it may not be necessary to provide a motion sensor on the attachment of the hair dryer, and the attachment of the hair dryer may be used separately from the hair dryer.
In addition, the hair dryer according to the embodiment of the present disclosure may further include a humidity sensor and/or a distance sensor. The humidity sensor may be configured to sense humidity of the hair and the distance sensor may be configured to sense a distance from the hair dryer (e.g., an outlet of the hair dryer) to the hair. In this embodiment, the controller 2 may also be configured to automatically adjust the air supply mode according to the humidity sensed by the humidity sensor and/or the distance sensed by the distance sensor.
In addition, the electric hair drier according to the embodiment of the present disclosure may further include a wind scooper or other components capable of controlling and/or adjusting the wind direction of the wind sent out from the wind outlet. In other embodiments, a wind scooper or other device capable of controlling and/or adjusting the direction of the wind exiting the outlet may be provided as an accessory to the hair dryer. In these embodiments, the controller 2 may also be configured to automatically adjust the wind scoops to produce different wind directions depending on the determined blowing pattern. For example, the controller 2 may transmit information/parameters/instructions regarding the wind direction in the determined blowing mode to the wind scooper, and then the wind scooper may adjust the angle or orientation of, for example, the wind guiding cloth or the wind guiding plate therein according to the received parameters/instructions, so as to generate different wind directions, such as dispersed wind with divergent directions, concentrated wind with concentrated directions, and the like.
The blowing mode may include information on the wind speed (or wind power), temperature, and wind direction of the blowing. In further embodiments, the air supply pattern may also include other information such as humidity, frequency, etc. of the supply air.
According to various embodiments, the air delivery mode may include one or more of a default mode, a hair straightening mode, a hair curling mode, a quick drying mode, a smart mode, and the like. The different air supply modes can be set by the hair dryer manufacturer when the hair dryer leaves the factory, or can be set or adjusted manually by the user, or can be determined by the hair dryer controller 2 according to the analysis result of the image/video collected by the camera 1, the user information, the use habit of the user and the like, and stored in a non-temporary storage medium in the hair dryer.
For example, the default mode may indicate that wind is delivered at a wind speed of S1 (e.g., low wind speed, medium wind speed, maximum wind speed, etc.) with a temperature of T1 (e.g., 30 degrees celsius, 35 degrees celsius, etc.); the straight mode may indicate that wind is delivered at a wind speed S2 (e.g., medium wind speed, high wind speed, etc.) with a temperature T2 (e.g., 90 degrees celsius, 110 degrees celsius, 120 degrees celsius, etc.); the curl mode may indicate that wind is delivered at a wind speed S3 (e.g., medium wind speed, high wind speed, etc.) at a temperature T3 (e.g., 90 degrees celsius, 110 degrees celsius, 120 degrees celsius, 135 degrees celsius, 140 degrees celsius, etc.); the fast dry mode may indicate that wind is delivered at a wind speed of S4 (e.g., maximum wind speed) with a temperature of T4 (e.g., 35 degrees celsius, 40 degrees celsius, etc.); the smart mode 1 may indicate that wind having a temperature of T5 and a wind direction of D1 is emitted at a wind speed of S5 in case that a hairstyle is hairstyle 1 (e.g., curly hair), a hair color is C1 (e.g., black), a user age range is a1 (e.g., 35-40 years), and a user gender is G1 (e.g., female); the smart mode 2 may indicate that wind having a temperature of T6 and a wind direction of D2 is sent at a wind speed of S6 in the case that a hairstyle is a hairstyle 2 (e.g., straight hair), a hair color is C2 (e.g., brown), a user age is a2 (e.g., 24 years), and a user gender is G2 (e.g., male); and so on.
The blowing mode of the electric hair dryer according to the embodiment of the present disclosure is not limited to the mode in the above example, nor is the parameter in each blowing mode limited to the value in the above example.
As described above, the controller 2 may select/determine/adjust the air blowing mode according to various information (e.g., hair style, color of hair, user information, etc.).
For example, for an image or video captured by the camera 1, in a case where it is recognized that the image or video is an image or video about hair and any accessories such as a hair straightening plate or a hair curling plate are not detected, the controller 2 may determine the air blowing mode as a default mode, for example, indicating that the wind speed is a low wind speed and the temperature is 30 degrees celsius.
For example, in the case where it is detected that the hairstyle of the hair is short hair, the controller 2 may determine the air blowing mode as the quick drying mode.
For example, in the case where it is detected that the hairstyle of the hair is long, a hair straightening plate is mounted on the hair dryer and the hair straightening plate is not moved for a predetermined time (e.g., 1 second, 2 seconds, etc.) or the moving amplitude of the hair straightening plate for a predetermined time (e.g., 1 second, 2 seconds, etc.) is less than a predetermined threshold (e.g., 0.5 cm, 1 cm, etc.), the controller 2 may determine the blowing mode as the hair straightening mode, or may adjust the previously selected or determined blowing mode by increasing/decreasing the wind speed and/or increasing/decreasing the temperature and/or changing the wind direction to suit the case of hair straightening.
For example, in the case where it is detected that the hairstyle of the hair is long, the user is treating the hair using the hair straightening plate not mounted on the hair dryer, and the hair straightening plate is not moved for a predetermined time (e.g., 1 second, 2 seconds, etc.) or the moving amplitude of the hair straightening plate for a predetermined time (e.g., 1 second, 2 seconds, etc.) is less than a predetermined threshold (e.g., 0.5 cm, 1 cm, etc.), the controller 2 may determine the blowing mode as the hair straightening mode, or may adjust the previously selected or determined blowing mode by increasing/decreasing the wind speed and/or increasing/decreasing the temperature and/or changing the wind direction to suit the case of hair straightening.
For example, in the case where it is detected that the hairstyle of the hair is long, the hair curling plate is mounted on the hair dryer, and the hair curling plate is not moved for a predetermined time (e.g., 1 second, 2 seconds, etc.) or the moving amplitude of the hair curling plate for a predetermined time (e.g., 1 second, 2 seconds, etc.) is less than a predetermined threshold (e.g., 0.5 cm, 1 cm, etc.), the controller 2 may determine the blowing mode as the curling mode, or may adjust the previously selected or determined blowing mode to suit the case of curling hair by increasing/decreasing the wind speed and/or increasing/decreasing the temperature and/or changing the wind direction.
For example, in the case where it is detected through image recognition and/or sensing by a humidity sensor that humidity is greater than a predetermined threshold (e.g., relative humidity exceeds 35%) or the number and/or size (e.g., average size) of water droplets on the hair exceeds a corresponding threshold, the controller 2 may determine the air supply mode as a fast dry mode, or may adjust a previously selected or determined air supply mode by increasing/decreasing the wind speed and/or increasing/decreasing the temperature and/or changing the wind direction.
For example, in the case where it is detected through image recognition and/or sensing by a distance sensor that the hair dryer distance is less than a predetermined threshold (e.g., 5 centimeters) and the temperature of the air supply is higher than a predetermined threshold (e.g., 100 degrees celsius), the controller 2 may adjust the previously selected or determined air supply pattern by reducing the wind speed and/or reducing the temperature and/or changing the wind direction.
For example, in the case where it is detected through image recognition and/or sensing by a distance sensor that the hair dryer is approaching or moving away from the hair, the controller 2 may adjust the previously selected or determined blowing mode by decreasing or increasing the wind speed and/or decreasing or increasing the temperature, and may even instruct the blowing mechanism 3 of the hair dryer to stop blowing if it is detected that the distance from the hair dryer to the hair is greater than a predetermined threshold (e.g., 50 cm).
For example, in the case where it is detected through image recognition and/or sensing by a distance sensor that the hair dryer is moving away from the hair, the controller 2 may adjust the wind direction in the previously selected or determined blowing mode by changing the concentrated wind into the divergent wind, and transmit the adjusted wind direction information or parameter to the wind scooper, so that the wind scooper can be adjusted accordingly to generate the desired wind direction.
In addition, the hair dryer according to the embodiment of the present disclosure may further include a memory for storing program instructions executed by the controller 2 and/or various intermediate data (e.g., captured images, intermediate data of image recognition) and/or result data (e.g., various preset blowing modes, blowing modes added according to the user's usage habits, etc.). Such memory may include various forms of readable and writable storage media, such as volatile memory, which may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like, and/or non-volatile memory, which may include, for example, Read Only Memory (ROM), a hard disk, flash memory, and the like. According to different embodiments, the memory may be an on-chip memory provided on a chip (e.g., an AI chip) of the controller 2, or may be independent of the controller 2.
Fig. 3 shows a flow chart of a method for controlling a hair dryer according to an embodiment of the present disclosure, which may include: step S1, instructing the camera 1 to acquire an image in real time; step S2, analyzing the acquired image to identify hair features; step S3, determining an air supply mode according to the identified hair characteristics; and a step S4 of instructing the air blowing mechanism 3 to blow air in accordance with the determined air blowing mode.
According to one embodiment, in the method, one or more information such as the orientation of the hair dryer, the change in the orientation of the hair dryer, the distance from the hair dryer to the hair, and the change in the distance from the hair dryer to the hair can also be determined by analyzing the sequence of images acquired by the camera within a predetermined period of time, and the blowing mode can be automatically adjusted according to the determined one or more information.
According to one embodiment, in the method, the air blowing mode can also be automatically adjusted according to one or more information such as the age of the user, the gender of the user, whether the accessory is mounted on the hair dryer, the type of the accessory, and the motion state of the accessory.
According to one embodiment, in the method, it is also possible to determine one or more information such as whether the user is handling hair using an accessory of a hair dryer, the type of accessory used, and the motion state of the accessory used by analyzing the image captured by the camera or the sequence of images captured within a predetermined period of time, and automatically adjust the air blowing mode according to the determined one or more information.
According to one embodiment, the hair dryer may further comprise a humidity sensor, and in the method, the humidity of the hair may be sensed using the humidity sensor, and the blowing mode is automatically adjusted according to the sensed humidity.
According to one embodiment, the hair dryer may further comprise a distance sensor, and in the method, the distance from the hair dryer to the hair may be sensed using the distance sensor, and the blowing mode is automatically adjusted according to the distance sensed.
According to one embodiment, in the method, the wind scooper of the hair dryer can be automatically adjusted according to the determined air supply mode to generate different wind directions.
As previously mentioned, the present disclosure is not limited to a particular image/video detection and identification method. In different embodiments, the detection and recognition of the image/video may be implemented by using various methods and/or apparatuses, such as a scale invariant feature transformation algorithm, a corner-based image feature extraction and matching algorithm, a local feature-based image matching and recognition, a visual information-based image feature extraction algorithm, corner detection, feature point detection, geometric analysis, and the like, as needed.
In addition, the program instructions for implementing the steps of the above method may be stored on a separate non-transitory storage medium and provided to the user as a driver along with the hair dryer according to the embodiment of the present disclosure, may be directly solidified in the non-transitory storage medium in the hair dryer according to the embodiment of the present disclosure, and may also be uploaded or downloaded to the non-transitory storage medium in the hair dryer according to the embodiment of the present disclosure through, for example, a network, a carrier wave, or the like.
Such non-volatile memory may include read-only memory, hard disk, flash memory, etc., and such read-write storage media may include, but are not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof, in accordance with various embodiments.
In this document, unless the context clearly requires otherwise, the words "comprise", "comprising", and the like, are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense, that is, in a sense of "including, but not limited to". Additionally, the words "herein," "above," "below," and words of similar import, when used in this disclosure, shall refer to this disclosure as a whole and not to any portion of this disclosure.
Where the context permits, words in the above description using the singular or plural number may also include the plural or singular number respectively. The words "or", "and/or", "one or more of … …", "one or more of … … etc" and words of similar meaning when referring to a list of two or more items encompass all of the following interpretations of the word: any of the items in the list, all of the items in the list, and any combination of the items in the list.
Some embodiments of the present disclosure have been described. However, the above detailed description of embodiments of the disclosure is not intended to be exhaustive or to limit the disclosure to the form disclosed above. The hair dryer and the method of controlling a hair dryer according to embodiments of the present disclosure can have other components and/or structures and/or implementations and/or steps, as desired. Various omissions, substitutions and changes in the form of the methods and apparatus described herein may be made without departing from the scope of the disclosure.
Claims (15)
1. A hair dryer comprising:
a camera configured to acquire images in real time;
a controller configured to analyze the captured images to identify hair characteristics and to determine an air blow mode of the hair dryer based on the identified hair characteristics, the air blow mode including a default mode, a straight mode, and a curl mode; and
an air blowing mechanism configured to blow air according to the determined air blowing mode;
the air supply mechanism comprises an electric heating element and a wind shield, the temperature of the supplied air is controlled by the electric heating element, and the speed and the temperature of the supplied air are controlled by the wind shield,
the controller is further configured to:
determining whether a user is using a hair straightening or curling plate and a motion state of the hair straightening or curling plate by analyzing the images acquired by the camera or a sequence of images acquired within a predetermined time period, wherein no motion sensor is provided on the hair straightening or curling plate;
in response to the fact that the hairstyle of the hair is long, a hair straightening plate is installed on the hair dryer, and the movement amplitude of the hair straightening plate within a preset time is smaller than a preset threshold value, determining the air supply mode as a hair straightening mode; and
and in response to the fact that the hairstyle of the hair is long hair, a hair curling plate is installed on the hair dryer, and the movement amplitude of the hair curling plate within a preset time is smaller than a preset threshold value, determining the air supply mode as a hair curling mode.
2. The hair dryer of claim 1, wherein said hair characteristics include one or more of whether hair, texture of hair, color of hair, hairstyle, cleanliness of hair, humidity of hair, and wear on hair.
3. The hair dryer of claim 1, wherein the controller is further configured to:
determining first information by analyzing a sequence of images acquired by the camera within a predetermined time period, the first information comprising one or more of an orientation of the hair dryer, a change in orientation of the hair dryer, a distance from the hair dryer to the hair, and a change in distance from the hair dryer to the hair; and
automatically adjusting the air blowing mode according to the first information.
4. The hair dryer of claim 1, wherein said controller is further configured to automatically adjust said blow mode according to second information including one or more of user age, user gender, whether an accessory is fitted on said hair dryer, type of said accessory, and motion status of said accessory.
5. The hair dryer of claim 1, wherein said hair dryer further comprises a humidity sensor configured to sense humidity of the hair, and said controller is further configured to automatically adjust said blowing mode according to the humidity sensed by said humidity sensor.
6. The hair dryer of claim 1, wherein said hair dryer further comprises a distance sensor configured to sense a distance of said hair dryer to hair, and said controller is configured to automatically adjust said blow pattern according to the distance sensed by said distance sensor.
7. The hair dryer according to any of claims 1-6, wherein the hair dryer further comprises a wind scooper, and the controller is further configured to automatically adjust the wind scooper to produce a different wind direction according to the determined blowing mode.
8. A method of controlling a hair dryer comprising:
instructing a camera of the electric hair drier to acquire an image in real time;
analyzing the acquired images to identify hair features;
determining an air supply mode of the electric hair drier according to the identified hair characteristics, wherein the air supply mode comprises a default mode, a hair straightening mode and a hair curling mode; and
instructing an air supply mechanism of the electric hair drier to supply air according to the determined air supply mode;
the air supply mechanism comprises an electric heating element and a wind shield, the temperature of the supplied air is controlled by the electric heating element, and the speed and the temperature of the supplied air are controlled by the wind shield,
wherein it is determined whether a user is using a hair straightening or curling plate on which no motion sensor is provided, and a motion state of the hair straightening or curling plate by analyzing the image captured by the camera or the sequence of images captured within a predetermined period of time;
in response to the fact that the hairstyle of the hair is long, a hair straightening plate is installed on the hair dryer, and the movement amplitude of the hair straightening plate within a preset time is smaller than a preset threshold value, determining the air supply mode as a hair straightening mode; and
and in response to the fact that the hairstyle of the hair is long hair, a hair curling plate is installed on the hair dryer, and the movement amplitude of the hair curling plate within a preset time is smaller than a preset threshold value, determining the air supply mode as a hair curling mode.
9. The method of claim 8, wherein the hair characteristic comprises one or more of whether hair, texture of hair, color of hair, hairstyle, cleanliness of hair, humidity of hair, and wear on hair.
10. The method of claim 8, further comprising:
determining first information by analyzing a sequence of images acquired by the camera within a predetermined time period, the first information comprising one or more of an orientation of the hair dryer, a change in orientation of the hair dryer, a distance from the hair dryer to the hair, and a change in distance from the hair dryer to the hair; and
automatically adjusting the air blowing mode according to the first information.
11. The method of claim 8, further comprising:
automatically adjusting the blowing mode according to second information including one or more of age of a user, gender of the user, whether an accessory is mounted on the hair dryer, type of the accessory, and motion state of the accessory.
12. The method of claim 8, further comprising:
sensing the humidity of the hair using a humidity sensor of the hair dryer; and
automatically adjusting the air supply mode according to the humidity sensed by the humidity sensor.
13. The method of claim 8, further comprising:
sensing a distance from the hair dryer to hair using a distance sensor of the hair dryer; and
automatically adjusting the air blowing mode according to the distance sensed by the distance sensor.
14. The method of any of claims 8 to 13, further comprising:
and automatically adjusting the wind guide cover of the electric hair drier according to the determined air supply mode to generate different wind directions.
15. A non-transitory storage medium having stored thereon program instructions which, when executed by a controller of a hair dryer, perform the method according to any one of claims 8 to 14.
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| CN201810258176.5A CN108433318B (en) | 2018-03-27 | 2018-03-27 | Electric hair drier and method for controlling electric hair drier |
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| CN201810258176.5A CN108433318B (en) | 2018-03-27 | 2018-03-27 | Electric hair drier and method for controlling electric hair drier |
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| KR102584430B1 (en) * | 2018-09-19 | 2023-09-27 | 엘지전자 주식회사 | Dryer |
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| KR102252512B1 (en) * | 2019-10-08 | 2021-05-14 | 엘지전자 주식회사 | Control method for hair dryer |
| KR102326704B1 (en) * | 2019-10-08 | 2021-11-16 | 엘지전자 주식회사 | Hair dryer |
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| CN112240630B (en) * | 2020-10-12 | 2021-12-21 | 青岛海尔空调器有限总公司 | Control method and device of air conditioner with hair drying function |
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