CN111930028B - Door control method of clothes treatment equipment - Google Patents
Door control method of clothes treatment equipment Download PDFInfo
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- CN111930028B CN111930028B CN201910394629.1A CN201910394629A CN111930028B CN 111930028 B CN111930028 B CN 111930028B CN 201910394629 A CN201910394629 A CN 201910394629A CN 111930028 B CN111930028 B CN 111930028B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention relates to the technical field of clothes treatment equipment, and aims to solve the problems of low intelligent degree and poor user experience of the machine door control process of the conventional clothes treatment equipment, so that the invention provides a door control method of the clothes treatment equipment, which comprises the following steps: acquiring an image of a human body approaching the laundry treating apparatus in a state where the door is closed; processing the image and thus obtaining a characteristic model of the human body; comparing the characteristic model with a plurality of preset models and determining the posture of the human body; and controlling the action of the machine door according to the comparison result. According to the door control method of the clothes processing equipment, the action intention of the close human body is pre-judged through image acquisition and processing, the door is controlled to be opened when the user has further operation intention, and the door is controlled not to act when no operation intention exists, so that the intelligent control of the door is realized, the operation of the user is facilitated, the additional operation burden on the user is avoided, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of clothes treatment equipment, in particular to a door control method of the clothes treatment equipment.
Background
Clothes processing equipment such as a washing machine, a clothes dryer and the like play an important role in daily life of people and are one of household appliances essential to the daily life of people. The machine door of the existing clothes treatment equipment is arranged in a top-opening type and a side-opening type, and in order to improve the use safety, the side-opening type machine door and a part of the top-opening type machine door are provided with door locks, so that a user always needs to consume great force to unlock when opening the machine door, and the operation is inconvenient.
In order to facilitate users to open the machine door, part of the clothes treatment equipment is provided with the machine door capable of automatically bouncing, and the users can automatically open the machine door in a touch, key or knob mode. For example, a user may continue to add laundry into the washing machine during a laundry soaking or washing process, and at this time, the user may hold the laundry or hold the laundry tub holding the laundry with both hands, and if the door is to be opened, the user needs to bend down to put down the laundry in the hands before touching or pressing keys, which is inconvenient. In order to liberate both hands of a user, a detection device and a matched control program are configured for part of clothes treatment, and whether the machine door needs to be automatically opened or not is judged by detecting whether a person approaches the machine door, so that the intelligent control of the clothes treatment equipment is realized. However, the existing control method for intelligently controlling the opening of the machine door still has some problems. The existing control mode is that the machine door is controlled to be automatically opened as long as a user is detected to approach the clothes treatment equipment, and if the user does not have operation intention and only wants to observe the running state of the user, the user is required to manually close and lock the machine door, so that inconvenience is brought to the user. In another control method, the controller controls the door to open only when the clothes treating apparatus stops working, and although the door closing operation of the user is avoided, if the user wants to continue to add clothes during the operation of the apparatus, the user is required to manually open the door, which is inconvenient to operate. Generally, the door control method of the existing clothes treatment apparatus is not highly intelligent and cannot meet the user requirements.
Accordingly, there is a need in the art for a new door control method of a laundry treating apparatus to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, namely, to solve the problems of low intelligence degree and poor user experience of the door control process of the existing clothes treatment equipment, the present invention provides a door control method of the clothes treatment equipment, wherein the clothes treatment equipment comprises a door, and the door control method comprises:
acquiring an image of a human body approaching the laundry treating apparatus in a state where the door is closed;
processing the image and thus obtaining a characteristic model of the human body;
comparing the characteristic model with a plurality of preset models and determining the posture of the human body accordingly;
and controlling the action of the machine door according to the comparison result.
In a preferred embodiment of the above-mentioned gating method, the step of "processing the image and thus obtaining the characteristic model of the human body" specifically includes:
performing feature extraction on the image;
and establishing a characteristic model of the human body based on the result of the characteristic extraction.
In a preferred technical solution of the above-mentioned gating method, the step of "comparing the feature model with a plurality of preset models and thus determining the posture of the human body" specifically includes:
respectively carrying out similarity comparison on the characteristic models and a plurality of preset models;
and determining the posture of the human body according to the preset model with the highest similarity.
In a preferred technical solution of the above-mentioned gating method, the preset model includes a two-handed object model, a one-handed object model and a free-handed model; and/or
The body state of the human body comprises a double-hand-held body state, a single-hand-held body state and a free-hand body state.
In a preferred embodiment of the above gate control method, the step of "controlling the operation of the gate according to the comparison result" includes:
and if the posture of the human body is a double-hand-held object posture or a single-hand-held object posture, controlling the machine door to be automatically opened.
In a preferred embodiment of the above gate control method, the step of "controlling the operation of the gate according to the comparison result" includes:
if the body state of the human body is a free hand body state, detecting the running state of the clothes treatment equipment, wherein the running state comprises a working state and a standby state;
and controlling the action of the machine door according to the detected running state.
In a preferred embodiment of the above door control method, the step of "controlling the operation of the door according to the detected operation state" includes:
and if the running state is the working state, controlling the machine door not to act.
In a preferred embodiment of the above gate control method, the step of "controlling the operation of the gate according to the detected operation state" includes:
and if the running state is the standby state, controlling the machine door to be automatically opened.
In a preferred embodiment of the above gating method, before processing the image and thus obtaining the characteristic model of the human body, the gating method further includes:
acquiring a height of a human body near the clothes treatment apparatus;
comparing the height with a preset height threshold value;
if the height is lower than the preset height threshold value, the image processing operation is not executed, and the machine door is directly controlled to be locked;
and if the height is higher than the preset height threshold value, executing image processing operation and subsequent operation.
In a preferred embodiment of the above door control method, before obtaining the height of the human body near the clothes treatment apparatus, the door control method further includes:
determining a category of a moving object approaching the laundry treating apparatus;
if the person is judged to be a non-human body, the operation of obtaining the height is not executed, and the door is controlled not to act;
if the person is judged to be a human body, the operation of obtaining the height and the subsequent operation are executed.
According to the door control method of the clothes processing equipment, the image of the close human body is obtained, the image is processed, the characteristic model which accords with the human body is established, the characteristic model is compared with a plurality of preset models in the system, the body state of the human body is determined, the action intention of the close human body is judged in advance based on the body state, the door is controlled to be opened when the user has further operation intention, and the door is controlled not to act when no operation intention exists, so that the intelligent control of the door is realized, the operation of the user is facilitated, the additional operation burden on the user is avoided, and the user experience is improved. Compared with the control method in the prior art, the gating method provided by the invention has higher intelligent degree and better user experience.
Furthermore, a characteristic model of the human body is established through the acquired images, and similarity comparison is carried out on the characteristic model and a preset model, so that the posture of the human body is accurately determined based on the selected preset model, the action intention of the approaching human body is pre-judged based on the posture of the human body, and the accurate control on the opening and closing of the door is realized.
Further, the purpose of the human body approaching the laundry treating apparatus is generally only two: further operation and mere observation, when the clothes treating apparatus is desired to be further operated, there may be nothing in the hand or something in the hand, and when there is something in the hand, it is mostly the case that the clothes treating apparatus is further operated, such as adding clothes in the hand to the clothes treating apparatus or taking clothes from the clothes treating apparatus. According to the invention, the double-hand object-holding model, the single-hand object-holding model and the empty hand model are arranged in the preset model, so that the body state of the approaching human body can be completely covered, the subsequent prejudgment of action intention is facilitated, and the accurate control of the door is further realized.
Furthermore, when the posture of the human body is judged to be the object holding state by two hands or the object holding state by one hand, the door is controlled to be automatically opened, so that the user can add clothes into the clothes treatment equipment conveniently, the two hands of the user are effectively liberated under the condition that the two hands or one hand of the user is occupied, the operation of the user is simplified, and the convenience is enhanced.
Further, when the body state of the human body is judged to be the hands-free state, the operation state of the clothes processing equipment is detected, the machine door is controlled not to act when the clothes processing equipment is in the working state, the safety of a user is guaranteed, meanwhile, the machine door is prevented from being controlled to be opened under the condition that the user does not have operation intention, and therefore additional operation burden is prevented from being brought to the user.
Furthermore, the height of a human body is detected before feature extraction is carried out on the image, and whether the machine door is required to be locked or not is judged according to the comparison result of the height and a preset height threshold value, so that misoperation of children can be avoided, and the safety of the clothes processing equipment is improved.
Furthermore, the type of the moving object close to the human body is judged before the height of the human body is detected, so that the interference of pets with larger body sizes on the detection result can be avoided, and the gating precision is further improved.
Drawings
The door control method of the laundry treating apparatus of the present invention will be described with reference to the accompanying drawings in conjunction with a drum type washing machine, wherein:
fig. 1 is a flowchart illustrating steps of a door control method of a laundry treating apparatus according to embodiment 1 of the present invention;
fig. 2 is a simplified flowchart of a door control method of a laundry treating apparatus according to embodiment 2 of the present invention;
fig. 3 is a simplified flowchart of a door control method of a laundry treatment apparatus according to embodiment 3 of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the following embodiments are explained in conjunction with a drum type washing machine, this is not restrictive, and the technical solution of the present invention is also applicable to other types of laundry processing apparatuses, such as other types of pulsator type or drum type laundry processing apparatuses, for example, a clothes dryer, a washing and drying machine, etc., and such application objects may be changed without departing from the principle and scope of the present invention.
Furthermore, in the following detailed description, numerous details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details.
It should be noted that in the description of the present invention, terms indicating directions or positional relationships such as "upper", "lower", "left", "right", "inside", "outside", etc., are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the module or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Based on the problems of low intelligent degree of the machine door control process and poor user experience of the existing clothes treatment equipment pointed out by the background art, the invention provides the door control method of the clothes treatment equipment, aiming at improving the intelligent degree of the machine door control process, opening the machine door when a user needs the machine door, facilitating the operation of the user, controlling the machine door to be locked when the user does not need the machine door, and ensuring the safety of the user.
Referring to fig. 1-3, fig. 1 is a flow chart of steps of a door control method of a laundry treatment apparatus provided in embodiment 1 of the present invention; fig. 2 is a simplified flowchart of a door control method of a laundry treating apparatus according to embodiment 2 of the present invention; fig. 3 is a simplified flow chart of a door control method of a laundry treatment apparatus according to embodiment 3 of the present invention.
The invention firstly provides a clothes treatment device, which comprises a box body, cheng Yitong, a machine door, an operation panel and other parts, and is also provided with an image acquisition device, wherein the image acquisition device can be a camera or a camera, and can also be other types of image acquisition devices. The installed image acquisition device forms an image acquisition area in a certain range in front of the clothes treatment equipment, when a moving object approaches the clothes treatment equipment, the function of the image acquisition device is triggered to acquire the image of the approaching moving object, and the aim of accurately controlling the opening and closing of the machine door is fulfilled by performing a series of processing on the image. Taking a drum-type washing machine as an example, the drum-type washing machine comprises parts such as a box body, an inner barrel, an outer barrel, an operation panel, a machine door and the like, wherein the machine door is configured to be an automatic flicking machine door, so that the automatic flicking of the machine door can be realized, and the operation of a user is facilitated. The image acquisition device adopts a camera, the image information shot by the camera is transmitted into the image processing module, the image processing module processes the image, such as image compression, enhancement and restoration, matching, description and identification, and the final output result can accurately represent the body state of the human body.
The door control method of the present invention is described below based on the configuration of the above-described laundry treating apparatus. The description will be made taking a washing machine as an example.
Example 1
Referring to fig. 1, the main steps of the door control method of the clothes treating apparatus provided by the present embodiment include:
s10, acquiring an image of a human body close to the clothes treatment equipment under the state that the machine door is closed.
Because the clothes can be conveniently added or taken in and out even if the two hands of the user are occupied in the state that the machine door is opened, the invention only discusses how the operation convenience of the user can be improved under the condition that the user is inconvenient to operate, namely, the door control method provided by the invention is mainly carried out in the state that the machine door is closed.
Specifically, in a state where the door is closed, an image of a human body approaching the washing machine is acquired by the image pickup device. In order to trigger the image acquisition device to work when someone is close to the washing machine, the image acquisition device or other positions of the washing machine can be provided with a sensor for detecting whether someone is close to the image acquisition device, if a pyroelectric infrared sensor, a proximity sensor and the like are arranged, when someone enters an image acquisition area, the pyroelectric infrared sensor, the proximity sensor and the like can be sensed by the sensor at once, and therefore shooting action of the image acquisition device is triggered. The image acquisition device acquires pictures or videos of a human body through an image acquisition module such as a camera, and then transmits the acquired pictures or video information to the image processing module.
And S20, processing the image and obtaining a characteristic model of the human body.
When the image processing module receives the picture or video information, the image processing module processes the picture to extract useful information. In particular, the image may be feature extracted using image segmentation techniques. The image features mainly include color features, texture features, shape features and spatial relationship features of an image, algorithms commonly used in a feature extraction process mainly include Histogram of Oriented Gradients (HOG) and Local Binary Patterns (LBP), and a specific feature extraction technology is a mature prior art and is not described in detail herein in order to highlight the gist of the present invention.
Then, a feature model of the human body is established based on the result of the feature extraction. For example, a feature model capable of representing the boundary contour of a human body is established by extracting texture features and shape features of a photo, or a feature model capable of representing the stereoscopic contour of the human body is formed by extracting spatial relationship features of the human body through a shot video. In the process of establishing the feature model, basic operations applied to mathematical morphology are needed, for example, various mathematical morphology practical algorithms can be derived and combined through open operations and/or closed operations in morphology, and the mathematical morphology practical algorithms can be used for analyzing and processing image shapes and structures, including feature extraction, boundary detection, image enhancement and the like. In view of the fact that the related technologies such as feature extraction and model building are already mature, there are many implementation manners in the prior art, and details are not described here to highlight the gist of the present invention.
And S30, comparing the characteristic model with a plurality of preset models and determining the posture of the human body accordingly.
Comparing the feature model with the preset model also belongs to the category of image processing technology. Specifically, similarity comparison is carried out on a characteristic model capable of representing the current human body posture and a plurality of preset models respectively. The user approaches the washing machine, namely walks towards the washing machine, the posture of the user is single, the lower half part of the body is basically walking posture, the posture of the arm is different only on the arm, and the posture of the arm is basically three postures of holding objects with two hands, holding objects with one hand and holding objects with empty hands. The preset model may be set to include at least a two-handed model, a one-handed model, and a free-handed model. The double-hand object holding model is obtained by acquiring data through multiple experiments, and is established through deep learning after characteristic extraction is carried out on the images by acquiring a plurality of images of human bodies and double-hand objects, and the model can represent most situations when the two hands of people hold the objects. The establishment of the single-hand object model and the empty hand model is the same. The specific modeling technology is one of image processing technologies, the existing related technologies are very mature, and the invention is not excessively developed.
Various comparison results can appear in the process of comparing the characteristic model of the human body with the preset model, the preset model with the highest similarity is selected by respectively obtaining the similarity between the characteristic model and the preset model, and the posture of the human body is determined according to the preset model. Specifically, when the preset model is a two-hand object holding model, the determined posture of the human body is a two-hand object holding posture, which indicates that the two hands of the user are occupied at present, and the hands hold clothes or a washtub for holding the clothes and the like; when the preset model is a one-hand-held object model, the determined posture of the human body is the one-hand-held object state, which indicates that the user holds clothes or a washtub for holding the clothes with one hand is occupied at present; when the preset model is a free-hand model, the determined posture of the human body is a free-hand posture, which indicates that the two hands of the user do not hold objects at present and are usually in a drooping posture. By modeling the body state of the person moving to the washing machine in advance, the body state can be conveniently judged in the later period.
And S40, controlling the action of the machine door according to the comparison result.
After the body state of the human body is determined, the controller can pre-judge the action intention of the human body based on the body state of the human body. For example, when holding objects with both hands, a user usually holds additional clothes or a washtub containing the clothes, and wants to add the clothes into the washing machine continuously or to take the clothes out of the washing machine. Of course, the held object can also be judged through image processing technology so as to further determine the user intention. The same thing is held by one hand. Therefore, if the determined posture of the human body is a double-hand-held posture or a single-hand-held posture, the controller controls the machine door to be automatically opened, so that the user can conveniently take and place the clothes, the user does not need to laboriously unlock the machine door, and the clothes can be conveniently added into or taken out of the washing drum even if the two hands or the single hand are occupied.
And if the posture of the human body is a free hand posture, detecting the running state of the washing machine, and controlling the action of the machine door according to the detected running state. The operation state of the washing machine includes an operation state and a standby state. The working state may include a case where the motor is running, such as washing, rinsing, dehydrating, drying, etc., and the standby state may include a case where the motor is suspended or stopped, such as soaking, spin-drying, etc. When the posture of the human body is the free hand posture, the accurate prejudgment of the action intention of the user is realized by combining the running state of the equipment.
Specifically, if the running state of the equipment is the working state, the control machine door does not act. For example, when a user approaches the washing machine, the washing machine is in a washing state or a dewatering state, the washing machine is originally in a locking state, the operation of opening the washing machine is dangerous, and under the condition that the user does not forcibly suspend the operation program of the washing machine, the controller defaults to control the door not to act so as to protect the safety of the user.
If the running state of the washing machine is detected to be a standby state, if the washing machine finishes spin-drying, the user can go without hand to take the clothes away, and the controller controls the machine door to be automatically opened, so that the operation of the user is facilitated, and the strength of the user is saved.
According to the door control method of the clothes processing equipment, the image of the close human body is obtained, the image is processed, the characteristic model which accords with the human body is established, the characteristic model is compared with a plurality of preset models in the system, the body state of the human body is determined, the action intention of the close human body is judged in advance based on the body state, the door is controlled to be opened when the user has further operation intention, and the door is controlled not to act when no operation intention exists, so that the intelligent control of the door is realized, the operation of the user is facilitated, the additional operation burden on the user is avoided, and the user experience is improved. Compared with the control method in the prior art, the gating method provided by the invention has higher intelligent degree and better user experience.
Example 2
The door control method provided by the embodiment is different from the door control method provided by the embodiment 1 in that the door control method provided by the embodiment can not only accurately predict the action intention of a user, but also realize a child lock function, and always keeps the door locked when a child approaches the washing machine so as to prevent the child from generating danger due to misoperation.
Specifically, on the basis of embodiment 1, before processing the image and thus obtaining the characteristic model of the human body, the gating method further includes:
a height of a human body near the clothes treating apparatus is acquired. The measurement of the height of the human body can be realized in various ways, such as measuring through an installed height detection device, or acquiring pictures through an image acquisition device and processing to obtain the height, or indirectly obtaining the height of the human body and the like by means of an infrared detection technology.
After obtaining the height, the controller compares the height of the human body with a preset height threshold value. If the height is lower than the preset height threshold value, the image processing operation is not executed and the machine door is directly controlled to be locked, in such a situation, the object close to the washing machine is a child, and the machine door is controlled to be locked to protect the safety of the child, namely, the child lock function of the washing machine is realized. And if the height of the user is higher than the preset height threshold value, executing the image processing operation and the subsequent operation.
Specifically, referring to fig. 2, in the power-on state of the washing machine, whether a person approaches is continuously detected, and when the person approaches, the height of the human body is obtained through an infrared detection sensor; the controller compares the height of the human body with a preset height threshold value, and judges whether the height of the human body is higher than the preset height threshold value, wherein the height of the human body higher than the preset height threshold value indicates that the human body is close to the preset height threshold value and is an adult, the controller has the ability to operate the washing machine, and the height of the human body lower than the preset height threshold value indicates that the human body is close to the preset height threshold value and is a child, and the controller has no ability to operate the washing machine; when the height of the human body is judged to be higher than a preset height threshold value, acquiring an image of the human body through an image acquisition device under the state that a machine door is closed; after obtaining the human body image, processing the image through an image processing module to obtain a characteristic model of the human body; the image processing module compares the obtained characteristic model with a preset model, so that the posture of the human body is determined according to the preset model with the highest similarity to the characteristic model; the method comprises the steps that the action intention of a human body is judged in advance based on a determined body state, whether the human body is in an empty-hand state or not is judged, if the human body is not in the empty-hand state, such as a double-hand object holding state or a single-hand object holding state, a machine door is controlled to be opened, if the washing machine at the moment is in a working state, the washing machine is controlled to be paused firstly, then the machine door is controlled to be opened, and if the washing machine at the moment is in a standby state, if clothes are soaked, the machine door is directly controlled to be opened; if the user directly walks to the washing machine, whether the washing machine is in a standby state or not is detected, if the washing machine is in the standby state, the machine door is controlled to be automatically opened, and if the washing machine is in a working state, the user does not need to operate clothes in the washing machine, and the machine door is controlled not to act.
According to the door control method provided by the embodiment, before the action of the human body is pre-judged, the height of the human body is obtained and compared with the preset height threshold value, so that whether the user with operation capability or the child without operation capability is close to the door control method is judged, the door control method directly controls the door to keep a locked state when the child is judged, and the danger of the child in the operation process is prevented.
Example 3
This example further develops the gating method of the present invention based on example 2. It is well known that some households will support pets, more commonly cats and dogs, and some dogs are giant dogs, which may be above a predetermined height threshold for distinguishing children from normal users, and that control errors and potential hazards may occur without the intervention of a disinterfering such pets. The gating method provided by the embodiment can distinguish moving objects and eliminate interference of pets.
Referring to fig. 2 and 3, the image acquisition and the subsequent steps in the present embodiment are the same as those in embodiment 2, and the present embodiment is different from embodiment 2 in that the door control method provided by the present embodiment further includes the following steps before acquiring the height of the human body close to the clothes treatment apparatus:
and detecting whether a moving object approaches the washing machine, and judging the type of the approaching moving object when detecting that the moving object approaches the washing machine, so as to judge whether the moving object is a human body. For example, the temperature of the moving object is detected by a pyroelectric infrared sensor, the temperature of a normal human body is different from that of a pet, and whether the human body or the pet is close to the pet can be conveniently distinguished by the temperature. If the person is judged to be a non-human body, the operation of obtaining the height is not executed, and the door is controlled not to act; if the human body is judged, the operation of obtaining the height and the subsequent operation are executed.
This embodiment just carries out subsequent detection and judgment operation when the human body is close to through distinguishing all moving objects that are close to before detecting human height, controls the machine door and does not respond when non-human body is close to can get rid of the error control phenomenon, improve the gate control precision.
It is to be noted that "higher than" or "lower than" in the present invention includes "equal to" in the case of the present invention.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (9)
1. A door control method of a laundry treatment apparatus comprising a machine door, characterized in that the door control method comprises:
acquiring an image of a human body approaching the laundry treating apparatus in a state where the door is closed;
processing the image and thus obtaining a characteristic model of the human body;
comparing the characteristic model with a plurality of preset models and determining the posture of the human body accordingly;
controlling the action of the machine door according to the comparison result;
wherein the posture is of the arm of the human body;
the step of "comparing the feature model with a plurality of preset models and determining the posture of the human body accordingly" specifically includes:
respectively carrying out similarity comparison on the characteristic models and a plurality of preset models;
determining the posture of the human body according to the preset model with the highest similarity,
the preset model comprises a double-hand object-holding model, a single-hand object-holding model and a free hand model.
2. The gating method according to claim 1, wherein the step of "processing the image and thus obtaining the characteristic model of the human body" comprises in particular:
performing feature extraction on the image;
and establishing a characteristic model of the human body based on the result of the characteristic extraction.
3. The gating method of claim 2, wherein the body state of the human body comprises a two-handed body state, a one-handed body state, and a free-handed body state.
4. The door control method according to claim 3, wherein the step of controlling the operation of the door according to the comparison result specifically comprises:
and if the posture of the human body is a double-hand object holding posture or a single-hand object holding posture, controlling the machine door to be automatically opened.
5. The door control method according to claim 3, wherein the step of controlling the operation of the door according to the comparison result specifically comprises:
if the body state of the human body is a free hand body state, detecting the running state of the clothes treatment equipment, wherein the running state comprises a working state and a standby state;
and controlling the action of the machine door according to the detected running state.
6. The door control method according to claim 5, wherein the step of controlling the operation of the door according to the detected operation state specifically comprises:
and if the running state is the working state, controlling the machine door not to act.
7. The door control method according to claim 5, wherein the step of controlling the operation of the door according to the detected operation state specifically comprises:
and if the running state is the standby state, controlling the machine door to be automatically opened.
8. The gating method according to any of claims 1-7, wherein prior to processing the images and thus obtaining the characteristic model of the human body, the gating method further comprises:
acquiring a height of a human body approaching the clothes treatment apparatus;
comparing the height with a preset height threshold value;
if the height is lower than the preset height threshold value, the machine door is not executed with image processing operation and is directly controlled to be locked;
and if the height is higher than the preset height threshold value, executing image processing operation and subsequent operation.
9. The door control method according to claim 8, wherein before acquiring the height of the human body near the laundry treatment apparatus, the door control method further comprises:
determining a category of a moving object approaching the laundry treating apparatus;
if the person is judged to be a non-human body, the operation of obtaining the height is not executed, and the door is controlled not to act;
if the human body is judged, the operation of obtaining the height and the subsequent operation are executed.
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| CN107780168A (en) * | 2016-08-31 | 2018-03-09 | 无锡小天鹅股份有限公司 | Laundry machine |
| CN106337263B (en) * | 2016-11-14 | 2020-01-10 | Tcl集团股份有限公司 | Washing machine control method and device |
| CN106702668A (en) * | 2016-12-29 | 2017-05-24 | 无锡小天鹅股份有限公司 | Washing machine, control system thereof and control method |
| CN206941238U (en) * | 2017-05-15 | 2018-01-30 | 赵东晶 | Device for clothing processing |
| CN108950989B (en) * | 2018-08-28 | 2020-04-28 | 珠海格力电器股份有限公司 | Washing machine operation control method and device, storage medium and washing machine |
| CN109740454A (en) * | 2018-12-19 | 2019-05-10 | 贵州大学 | A kind of human body posture recognition methods based on YOLO-V3 |
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