CN111568328A - Method for controlling a dishwasher, washing device and dishwasher - Google Patents
Method for controlling a dishwasher, washing device and dishwasher Download PDFInfo
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- CN111568328A CN111568328A CN202010383132.2A CN202010383132A CN111568328A CN 111568328 A CN111568328 A CN 111568328A CN 202010383132 A CN202010383132 A CN 202010383132A CN 111568328 A CN111568328 A CN 111568328A
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- tableware
- spray arm
- water outlet
- dishwasher
- cleaning
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0028—Washing phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/4282—Arrangements to change or modify spray pattern or direction
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/50—Racks ; Baskets
- A47L15/501—Baskets, e.g. for conveyor-type, in-sink type or hood-type machines
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/20—Spray nozzles or spray arms
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
An embodiment of the present invention provides a method for controlling a dishwasher, including: acquiring an image of the dishware in the dishwasher; determining from the image a characteristic of the utensil: and controlling a spray arm of the dishwasher to wash the tableware according to the characteristic. Through the characteristics of tableware, the spray arm is controlled to carry out targeted washing, wherein the spray arm can carry out adjustment such as water outlet angle, water yield, water outlet pressure, washing time, water outlet temperature, spray arm rotational speed, spray arm's motion stroke according to the characteristics of tableware to realize targeted spraying, thereby realize the energy can be saved for the cleaning efficiency has increased dishwasher's commonality, improves user's satisfaction. The invention also provides a cleaning device, which can be used for carrying out characteristic identification on the tableware image through the processing equipment after the image acquisition equipment acquires the tableware image to be cleaned, thereby further controlling the spray arm to carry out targeted cleaning according to the tableware characteristic.
Description
Technical Field
The invention relates to the technical field of kitchen and bathroom appliances, in particular to a method for controlling a dish-washing machine, a washing device and the dish-washing machine.
Background
The existing intelligent automatic dish washing machine is divided into two types, one type is that various washing modes are preset by a manufacturer, then a user selects a required mode according to the self, or the required washing articles are automatically identified through the dish washing machine to judge which mode is required, but the dish washing machine in the mode can only operate according to a fixed instruction, and the washing effect cannot meet the requirement required by the user.
The inventor of the application discovers that the dishwasher in the prior art is automatically configured with the operation parameters for washing in a water outlet mode only after the dishwasher recognizes when tableware is just put in, in other words, when the host executes the operation parameters, the host does not care whether the tableware can be washed cleanly or not at all under the parameters, or the dishwasher is re-washed under secondary detection after washing is finished, and the expandability and extensibility of the operation parameters are poor, so that the mode has a leak.
Disclosure of Invention
To solve the above technical problems, an object of the present invention is to provide a method for controlling a dishwasher, a washing device, and a dishwasher.
To achieve the above object, in a first aspect of the present invention, there is provided a method for controlling a dishwasher, including acquiring an image of dishes in the dishwasher; determining the characteristics of the dishware from the image: and controlling a spray arm of the dishwasher to wash the tableware according to the characteristics.
Optionally, the features include at least one of: the type of the tableware, the number of the tableware, the material of the tableware, the position of the tableware and the surface cleanliness of the tableware.
Optionally, controlling a spray arm of the dishwasher to wash the dishes according to the characteristic comprises: adjusting at least one of the following of the spray arms according to the characteristic: water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke.
Optionally, the dishwasher comprises a plurality of washing zones, and controlling the spray arm of the dishwasher to wash the dishes according to the characteristic comprises: determining a cleaning area where the tableware is located; when the spray arm is used for cleaning the cleaning area where the tableware is located, the spray arm is controlled to clean the tableware according to the characteristics of the tableware.
Optionally, when the spray arm is not movable, controlling the spray arm of the dishwasher to wash the dishes according to the characteristic comprises: adjusting at least one of the water yield, the water outlet pressure, the cleaning time and the water outlet temperature of the spray arm according to the characteristics; when the spray arm is movable, controlling the spray arm of the dishwasher to wash the dishes according to the characteristics includes: and adaptively adjusting at least one of the water outlet quantity, the water outlet pressure, the cleaning time and the water outlet temperature of the spray arm according to the characteristics, and adaptively adjusting at least one of the water outlet angle, the rotating speed and the moving stroke of the spray arm.
Optionally, controlling the spray arm to rotate in a reciprocating manner, so that the spray arm only discharges water in a washing area where the tableware is placed; the spray arm is controlled to reciprocate in a washing area where tableware is placed.
Optionally, controlling the spray arm of the dishwasher to wash the dishes according to the characteristic further comprises: when the water discharged from the spray arm is in the region which is difficult to clean, at least one of the rotating speed of the spray arm, the water discharge amount and the water discharge pressure is reduced; when the water discharged from the spray arm is in the easy-to-clean area of the tableware, at least one of the rotation speed of the spray arm is increased, the water discharge amount is reduced and the water discharge pressure is reduced; and/or when the water outlet of the spray arm is in the region which is difficult to clean, at least one of the moving speed of the spray arm, the water outlet quantity and the water outlet pressure is reduced; when the water discharged from the spray arm is in the easy-to-clean area of the tableware, at least one of the moving speed of the spray arm is increased, the water discharge amount is reduced, and the water discharge pressure is reduced.
Optionally, determining the characteristic of the utensil from the image comprises: establishing a cloud database according to a tableware image acquired in advance and a label of the tableware image; creating an image recognition model; pre-training the image recognition model through a cloud database; inputting the acquired tableware images into a pre-trained image recognition model to determine the characteristics of the tableware, wherein the acquired tableware images are uploaded to a cloud database to serve as training samples of the image recognition model.
In a second aspect of the present invention, there is provided a washing device for a dishwasher, comprising: an image acquisition device configured to acquire an image of the tableware; a processing device configured to: determining characteristics of the dishware according to the acquired images; and controlling a spray arm of the dishwasher to wash the tableware according to the characteristics.
Optionally, the features include at least one of: the type of the tableware, the number of the tableware, the material of the tableware, the position of the tableware and the surface cleanliness of the tableware.
Optionally, controlling a spray arm of the dishwasher to wash the dishes according to the characteristic comprises: adjusting at least one of the following of the spray arms according to the characteristic:
water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke.
Optionally, the spray arm is provided with water spraying holes communicated with the interior of the spray arm, and the water spraying holes are arranged on the spray arm at intervals.
Optionally, the spraying device further comprises a driving motor, the spraying arm is connected to the driving motor, and the driving motor is electrically connected with the processing equipment.
Optionally, the spraying device further comprises at least one storage rack, and the spraying arm is arranged in the center or on the side of the storage rack.
Optionally, the spraying device further comprises a conversion mechanism, wherein the conversion mechanism is arranged between the driving motor and the spraying arm so as to realize that the driving motor controls the spraying arm to translate.
Optionally, the conversion mechanism is at least one of a gear rack, a nut screw, a four-bar linkage and a roller flexible cable.
Optionally, the spraying arm device further comprises a water pressure transmitter, a water heater and a water valve, wherein the water pressure transmitter, the water valve and the water heater are all electrically connected with the processing equipment, and the water pressure transmitting mechanism, the water valve and the water heater are all connected and conducted with the spraying arm.
In a third aspect of the invention, a dishwasher is provided, comprising a washing device for a dishwasher according to the above.
In another aspect, there is provided a computer readable storage medium having stored thereon instructions for enabling a processor to perform a method of controlling a dishwasher according to the above when executed by the processor.
Through the technical scheme, the characteristics of the tableware are judged through the image of the tableware, and further through the characteristics of the tableware, for example, the maximum rated power of a pressure pump and a water pump which are externally connected with a spray arm is fixed, namely the pressure of the sprayed cleaning medium and the maximum value of the throughput are constant, the cleaning of a region to be cleaned is carried out in a single mode according to the traditional cleaning mode, such as constant water pressure and constant water flow, so that the phenomenon that part of the region is not cleaned completely is easily caused, even if the region without the tableware is cleaned, electric energy is wasted, the effect is poor, and through the mode, the cleaning is carried out aiming at the characteristics of the tableware, the flow and the pressure can be concentrated to clean the region which is difficult to clean first, and the cleaning quality is greatly improved; meanwhile, on the other hand, energy can be saved through targeted cleaning, the cleaning efficiency is accelerated, the cleaning universality is further increased, and the satisfaction degree of users is improved.
Meanwhile, the design that the motion mode and the water spraying mode can be changed by utilizing the spray arm is utilized, and the expandability and the extensibility on the tableware characteristic cleaning mode are improved.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a flow chart of a method for controlling a dishwasher provided in a first embodiment of the invention;
FIG. 2 is a detailed flow chart of the method for determining the characteristics of the dishes according to the images in the second embodiment of the present invention;
FIG. 3 is a detailed flow chart of a feature control dishwasher arm to wash dishes in a method for controlling a dishwasher according to a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a cleaning apparatus according to a fourth embodiment of the present invention;
FIG. 5 is a front view of a cleaning apparatus according to a fourth embodiment of the present invention;
FIG. 6 is a schematic structural view of a cleaning mechanism according to a fourth embodiment of the present invention;
FIG. 7 is a schematic view of a part of the structure of a cleaning mechanism according to a fourth embodiment of the present invention;
FIG. 8 is a cross-sectional view of a spray arm provided in accordance with a fourth embodiment of the present invention;
FIG. 9 is a schematic view showing a configuration in which a spray arm is rotatable in the cleaning apparatus according to the fourth embodiment of the present invention;
referring to fig. 10, fig. 10 is a schematic structural view illustrating a spray arm of a cleaning apparatus according to a fourth embodiment of the present invention when the spray arm is capable of translating.
Description of the reference numerals
100. A cleaning device;
1. a housing; 2, cleaning the mechanism;
21. an image acquisition device; 22. A rack;
23. a drive motor; 24. A processing device;
25. a spray arm; 26. Mounting a bracket;
251: and (7) water outlet holes.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1, fig. 1 is a flowchart of a method for controlling a dishwasher according to a first embodiment of the present invention, as shown in fig. 1, the method for controlling the dishwasher including the steps of:
step S1: acquiring an image of tableware in the dishwasher;
step S2: determining the characteristics of the dishware from the image:
step S3: and controlling a spray arm of the dishwasher to wash the tableware according to the characteristics.
Wherein, the "image" of the tableware in step S1 can be obtained by using a camera; for example, the CDD industrial camera can be implemented by: through placing the camera in the dish washer, shoot the tableware in the dish washer through controlling the camera to acquire the image of tableware.
It can be understood that since the user usually has a messy place of the dishware in the dishwasher, the user needs to shoot the image of the dishware in all directions, in this embodiment, the type and installation position of the camera are not limited in the method, and the user only needs to be able to acquire the images of the dishware placed in the dishwasher in all directions; exemplary are as follows: the camera can be arranged in a plurality of directions to acquire images of the tableware in the dish-washing machine, or the camera can be arranged to rotate 0-360 degrees to acquire images of the tableware in the dish-washing machine, or the panoramic fisheye camera is adopted to acquire all images of the tableware in the dish-washing machine.
The "characteristic" of the tableware in step S2 may be at least one of the type of the tableware, the number of the tableware, the material of the tableware, the location of the tableware, and the surface cleanliness of the tableware.
It will be appreciated that the "types" of cutlery described above may be classified according to their function, such as bowls and chopsticks, cups, spoons, etc., as exemplary; the tableware can also be classified according to the shape and the size of the tableware, such as a round disc, a square dish and the like; the classification may be performed in other manners, and the classification manner is not limited. The method for identifying the type of the tableware can adopt contour identification and feature identification to determine the content of the contour of the tableware according to the data corresponding to the contour of the tableware image, thereby determining what tableware is. Exemplary are as follows: generally, the goblets are provided with finger cup holders which stand on a long and thin foot, so that the long and thin foot and the finger cup holder are preset as unique characteristics of the goblets, and when a user puts in the goblets, the type of the goblets is judged according to the acquired image contour and the characteristics of the goblets.
Further, the "material" of the tableware may be classified into metal such as wood, ceramics, glass, plastics, copper, iron, aluminum, etc., or alloy such as stainless steel; the tableware material can be identified by adopting the reflecting degree of the tableware and combining the type of the tableware, firstly, the approximately usable material range can be analyzed according to the type of the tableware image, the goblet can only be glass or crystal, further, a specific light source is provided in the dish-washing machine, the material of the tableware is identified through an illumination model due to the fact that different materials reflect light differently, and in some embodiments, the texture of the tableware can be further integrated for analysis, such as: and according to the tableware image of the goblet under a specific light source, calculating coefficients of an environment illumination component, a diffuse reflection illumination component, a specular reflection component and a reflectivity component by using an illumination model, thereby identifying whether the glass or the crystal to which the tableware belongs.
Further, the surface cleanliness of the tableware can be obtained by extracting oil stain as a contour after the gray scale of a tableware image is binarized, and obtaining the cleanliness of the surface of the tableware according to the ratio of black pixel points reflected by the oil stain to the whole area of the tableware or directly according to the area occupied by the oil stain; exemplary are as follows: 1. carrying out grey level binarization on the tableware image; 2. separating the greasy dirt part of the tableware by local threshold separation; 3. calculating the proportion value of the oil stain part in the whole tableware area; 4. and comparing the ratio value with a preset threshold value to obtain the surface cleanliness. Exemplary are as follows: the proportion value of the oil stain part to the whole tableware area is 50 percent as one threshold value, when the proportion value is lower than the threshold value, the tableware is judged to be cleaner, otherwise, when the proportion value exceeds the threshold value, the tableware is judged to be dirtier.
Similarly, the "number" of the tableware can be obtained by performing target extraction analysis according to the tableware image, such as extracting the tableware outline, or according to the user's own input.
Wherein the "position" of the dishware may be obtained from a washing position in the dishwasher where the dishware image profile falls, such as for example: 1. establishing a coordinate system; 2. dividing a washing area of the dishwasher into at least four quadrants according to a coordinate system; 3: and obtaining the cleaning area where the tableware is located according to the proportion of the specific space occupied by the tableware image in the quadrant. I.e., the position of the dishes, it is understood that the entire washing area is divided into at least four quadrants, i.e., four spaces, and when the dishes are located at two quadrants at the same time, the quadrant with the largest dish ratio is taken as the quadrant where the dishes are located, as exemplified by: if the tableware accounts for 70% of the space in the first quadrant and 30% of the space in the second quadrant; the utensil is identified as being in the first quadrant.
By the above, the characteristics of the dish washing machine where the tableware is located, such as goblets-2-glass-first quadrant-cleaner can be obtained.
In step S3, the spray arm of the dishwasher is controlled to clean the dishes according to the characteristics, wherein the spray arm is controlled by a controller, which may be any one of a programmable single chip, a microcomputer and a chip, or a digital or analog circuit may be used to replace the controller in the present embodiment.
The method that can be used in steps S1 to S3 and the definition of the features are specifically explained above, and steps S1 to S3 are described below using specific examples.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for determining characteristics of a dish according to an image according to a second embodiment of the present invention, and as shown in fig. 2, the method for determining characteristics of a dish according to an image may further include the following steps:
step S201: establishing a cloud database according to a tableware image acquired in advance and a label of the tableware image;
step S202: creating an image recognition model;
step S203: pre-training the image recognition model through a cloud database;
step S204: inputting the acquired tableware images into a pre-trained image recognition model to determine the characteristics of the tableware, wherein the acquired tableware images are uploaded to a cloud database to serve as training samples of the image recognition model.
Fig. 2 illustrates a method for obtaining the image characteristics of the tableware through the image recognition model in step S2, wherein the labels of the images of the tableware collected in advance are the image characteristics of the tableware in step S2, it can be understood that creating the image recognition model for model pre-training requires establishing a cloud database of the images of the tableware collected in advance and the labels of the images of the tableware; the image recognition model can be a neural network model or other models, in the actual use process, a user puts tableware every time, the dish-washing machine is triggered to collect tableware images in a cleaning area of the dish-washing machine, the tableware images are uploaded to a cloud-end database and a local database preset by the dish-washing machine, and the characteristics of the put tableware are determined by using the pre-trained image recognition model.
Further, the user may also choose not to connect to the network and use the image recognition model directly with the local database to determine the characteristics of the placed cutlery. Because the tableware image information in the local database is less and is only the tableware image collected by the dishwasher used by the user, the characteristic of the placed tableware is determined by using the image recognition model by adopting the local database, the time for recognizing by the image recognition model can be reduced, and the efficiency of calculating by the image recognition model is improved.
Through the established cloud database, users in various places can upload tableware images shot in dish washers of the users to the cloud database, and the tableware images serve as training samples of the image recognition models to be trained, so that the established image recognition models can be continuously trained and optimized by the tableware images; therefore, the accuracy and the recognition range of the image recognition model are improved; exemplary are as follows: the tableware used by the user is not frequently replaced under the common condition, so that the image recognition model can finish recognition by adopting a local database, and if the user replaces or adds other tableware, the image recognition model can also be ensured to accurately judge the characteristics of the tableware, the probability of misjudgment in the recognition process is reduced, and the reliability of the dish washing machine is improved.
Based on the second embodiment, in another embodiment provided by the present invention, the cloud database may be further used, the background staff may collect the feedback of each dishwasher by collecting the feedback of each dishwasher, specifically, after the spraying arm of each dishwasher is controlled to clean the dishware, the surface cleanliness of the dishware and the feedback of the user, the background staff improves the program for controlling the spraying arm of the dishwasher by the information, and downloads the program to each dishwasher by means of OTA (Over-the-Air Technology: Over-the-Air download) to update the dishwasher; the benefits of this approach are: the user can continuously update the operation mode of the dishwasher so as to adapt to the continuously improved appearance of the tableware or add new functions. The method solves the problem of loophole or error in the operation of the prior dish washer, increases the stability and well supports a new operating system.
Referring to fig. 3, fig. 3 is a flowchart illustrating a method for washing dishes by controlling a spray arm of a dishwasher according to characteristics of a third embodiment of the present invention, as shown in fig. 2, the step S3 of controlling the spray arm of the dishwasher to wash dishes according to the characteristics may specifically include the following steps:
step S301: determining a cleaning area where the tableware is located;
step S302: when the spray arm is used for cleaning the cleaning area where the tableware is located, the spray arm is controlled to clean the tableware according to the characteristics of the tableware.
Wherein, in step S301, that is, in step S2, the "position" of the tableware is determined according to the position characteristics of the tableware in the cleaning area, and further according to the characteristics of the tableware in different cleaning areas, the spray arm can be used for cleaning the cleaning area where the tableware is located according to the characteristics of the tableware when the tableware is cleaned; exemplary are as follows: the cleaning area is divided into a first quadrant, a second quadrant, a third quadrant and a fourth quadrant, and if tableware is detected not to exist in the first quadrant, the spray arm can be controlled to stop spraying water for cleaning in the first quadrant. The advantages brought by this mode are that: the spray head can be selectively cleaned according to the position characteristics of the tableware, and the tableware is purposefully cleaned by identifying the real-time cleaning position of the tableware and controlling the operation action of the spray head through a preset program.
In step S302, controlling the spray arm of the dishwasher to clean the dishes according to the characteristics may specifically include:
adjusting at least one of the following of the spray arm according to the characteristic of the dish: water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke.
The spray arm can be divided into two cases, namely movable spray arm and immovable spray arm.
A: when the spray arm is immovable, namely when the spray arm is fixedly arranged; controlling the spray arm of the dishwasher to wash the dishes according to the characteristics comprises: adjusting at least one of the water yield, the water outlet pressure, the cleaning time and the water outlet temperature of the spray arm according to the characteristics;
it can be understood that according to the characteristics of the tableware, namely the cleaning area where the tableware is located, the type of the tableware, the quantity of the tableware, the material of the tableware and the surface cleanliness of the tableware, different water outlet angles, water outlet amounts, water outlet pressures, cleaning time and water outlet temperatures of the water outlet holes are set; the method can be as follows:
1. setting the water outlet temperature of the matched tableware corresponding to the type and material of the cleaning area where the tableware is located and the water spray holes of the area;
that is, the tableware in the washing area can be washed at a proper water temperature by the material and the type of the tableware in the washing area, such as: when plastic materials are detected in tableware in a certain quadrant of a cleaning area, in order to avoid plastic deformation caused by high temperature, the temperature is too low to meet the requirements of disinfection and cleaning, so that the tableware is cleaned at the optimal proper temperature, and the temperature of water sprayed out of hole sites corresponding to the quadrant is controlled to be 50-70 degrees, wherein the temperature is set by a worker through experiments in advance;
2. corresponding to the surface cleanliness and the quantity of the cleaning area where the tableware is located, and corresponding to the water spraying holes in the area, the water outlet quantity, the water outlet pressure and the cleaning time of the tableware are adapted;
the cleaning difficulty in the region is comprehensively obtained according to the surface cleanliness and the quantity of the tableware in the cleaning region, and different cleaning strengths are set according to different cleaning difficulties, such as: and if the condition that the quantity of the tableware in a certain quadrant of the cleaning area is large and the surface cleanliness is poor is detected, the water quantity and the water outlet pressure of the quadrant of the cleaning area are increased, and the cleaning time is prolonged.
For the above "cleaning difficulty", the specific calculation method may be as follows: "difficulty in cleaning" can be found on a weighted average of the number of dishes and surface cleanliness, as exemplified by: the number of the tableware in a certain quadrant is 2, the surface cleanliness of two tableware is defined as 0.3 according to the tableware image, if the ratio of the black pixel dot area reflected by oil stains to the whole tableware area is 30%, the clear difficulty in the clear area is converted into a value of 2 x 0.3 x k, wherein k is a weighted average coefficient. After the values converted by the cleaning difficulty of the cleaning area are obtained, the water yield, the water outlet pressure and the cleaning time of the spray arm are correspondingly controlled by presetting different cleaning difficulty values, and the method comprises the following steps: the cleaning difficulty is converted into a numerical value and then is 0.7, namely the corresponding water yield, the corresponding water outlet pressure and the corresponding cleaning time are respectively 0.5l/s, 0.13Mpa and 15 s.
Through the above, when the spray arm is unmovable, according to the tableware characteristics in each washing area, the spray arm carries out the pertinence and sprays in the washing area of difference, and the adjustment that adaptability was carried out to water yield, water outlet pressure, cleaning time, play water temperature promptly, carries out the pertinence washing to different tableware through this kind of mode, avoids when the abluent tableware of dishwasher single is too little, causes the condition that dishwasher is long-consuming, the washing is dirty, waste the electric energy to make the shower nozzle can the pertinence water spray, exemplary if: when tableware is not placed in a certain area, the spray pipe does not spray the spray holes corresponding to the area for cleaning, so that water energy is saved, on the other hand, for other areas where the tableware is placed, the spray pipe can concentrate water pressure under preset program control, even adjusts the temperature for cleaning, and is specifically judged according to the characteristics of the tableware in the area, for example, the types or the materials of the tableware difficult to clean can increase the water pressure or adjust the temperature, and in the way: the washing efficiency is improved, meanwhile, the universality of the dish washing machine is improved, the dish washing machine is suitable for tableware of various types and materials, users do not need to classify the tableware by themselves, the tableware does not need to be placed specifically, the washing effect can be guaranteed, and the requirements of the users are better met.
B: when the spray arm is movable, controlling the spray arm of the dishwasher to wash the dishes according to the characteristics includes: and adaptively adjusting at least one of the water outlet quantity, the water outlet pressure, the cleaning time and the water outlet temperature of the spray arm according to the characteristics, and adaptively adjusting at least one of the water outlet angle, the rotating speed and the moving stroke of the spray arm.
It can be understood that when the spray arm is movable, according to the tableware image characteristics, besides adjusting at least one of the water outlet quantity, the water outlet pressure, the washing time and the water outlet temperature of the spray arm, at least one of the water outlet angle of the spray arm, the rotation speed of the spray arm and the movement stroke of the spray arm can be adjusted, that is, the tableware can be specifically washed by controlling the movement of the spray arm. The movement of the spray arm is driven by the controller, and the movement form does not relate to the technical range which can not be realized by the prior art, so that the method of the second embodiment of the invention is not excessively described.
When the spray arm moves, the two conditions of rotation and translation are described;
controlling the spray arm of the dishwasher to wash the dishes according to the characteristic when the spray arm is rotatable further comprises: controlling the spray arm to rotate in a reciprocating manner so that the spray arm only discharges water in a cleaning area where tableware is placed;
it can be understood that, according to the image information of the dishes, if there are no dishes in the washing area, the spray arm does not rotate to the area, but is limited to rotate back and forth only in the area of the washing area where the dishes are placed; thereby saving electric power and water energy, accelerating the cleaning speed, reducing the time required by cleaning and increasing the satisfaction degree of users.
The rotating direction of the spray arm is not limited, the spray arm can rotate horizontally or vertically, and only the requirement that all cleaning areas can be covered in the cleaning process is met.
Further, when the spray arm can translate, the spray arm is controlled to reciprocate in a cleaning area where tableware is placed, namely, the spray arm can reciprocate up and down or reciprocate left and right, and in the same way, the spray arm plays a role in saving energy and accelerating efficiency by saving a motion path.
Further, controlling the spray arm of the dishwasher to wash the dishes according to the characteristic further comprises:
when the water discharged from the spray arm is in the region which is difficult to clean, at least one of the rotating speed of the spray arm, the water discharge amount and the water discharge pressure is reduced; when the water discharged from the spray arm is in the easy-to-clean area of the tableware, at least one of the rotation speed of the spray arm is increased, the water discharge amount is reduced and the water discharge pressure is reduced; and/or
When the water discharged from the spray arm is in the region which is difficult to clean, at least one of the moving speed of the spray arm, the water discharge amount and the water discharge pressure is reduced; when the water discharged from the spray arm is in the easy-to-clean area of the tableware, at least one of the moving speed of the spray arm is increased, the water discharge amount is reduced, and the water discharge pressure is reduced.
It can be understood that, when the spray arm is rotatable, when rotating to the cleaning area with higher cleaning difficulty, the spray arm reduces the rotating speed so as to increase the time required for cleaning the area, and simultaneously increases the water yield and increases the water outlet pressure so as to increase the cleaning force, otherwise, when rotating to the cleaning area with lower cleaning difficulty, the time required for cleaning the area is reduced, when the spray arm can move horizontally, the same as the above, namely, when moving to the cleaning area with higher cleaning difficulty, the moving speed is reduced, the cleaning force is increased, when moving to the cleaning area with lower cleaning difficulty, the time required for cleaning the area is reduced, and the cleaning force is reduced.
Setting a water outlet angle matched with the tableware corresponding to the position of the cleaning area where the tableware is located and the water spray holes of the area;
that is, by controlling the water outlet angle, the tableware can be washed at the optimal water outlet angle, such as: the user assumes that the tableware is placed at an arbitrary angle, if the tableware is placed upwards at 45 degrees, the water outlet angle of the spraying arm can be adjusted according to the position of the tableware, and if the tableware is placed at 135 degrees, the water is discharged and the tableware is washed on the front side;
wherein, the mode of controlling out water angle can be: the spray arm is controlled to rotate by a preset angle, so that the angle of the spray hole on the spray arm is changed.
In summary, the first to third embodiments of the present invention provide a method for controlling a dishwasher, which determines characteristics of tableware through images of the tableware in the dishwasher, and further controls a spray arm to perform targeted washing through the characteristics of the tableware, wherein the spray arm can adjust a water outlet angle, a water outlet amount, a water outlet pressure, a washing time, a water outlet temperature, a spray arm rotation speed, a spray arm movement stroke and the like according to the characteristics of the tableware, so as to achieve targeted spraying, thereby achieving energy saving, speeding up washing efficiency, increasing versatility of the dishwasher, and improving satisfaction of users.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a cleaning apparatus 100 according to a fourth embodiment of the present invention, and fig. 5 is a front view of the cleaning apparatus according to the fourth embodiment of the present invention; it should be understood that the illustration of the fourth embodiment of the present invention is provided only to show one embodiment of the cleaning device 100, and is not intended to limit the shape, position, installation manner and connection relationship of the parts of the cleaning device not relevant to the present invention;
the cleaning device 100 comprises a housing 1 and a cleaning mechanism 2 inside the housing 1, wherein the contour of the housing 1 is not limited, and can be rectangular or cylindrical; optionally, the shape of the rectangle in this embodiment.
Further, the cleaning mechanism 2 includes therein an image pickup device 21, a rack 22, a driving mechanism 23, and a processing device 24, and a spray arm 25.
The storage rack 22 is fixed inside the cleaning device 100 and used for containing tableware, the image acquisition device 21 can be a camera or a sensor, can be arranged in a plurality of directions inside the cleaning device 100, can also be arranged at the top inside the cleaning device 100 by adopting a panoramic fisheye lens, and only needs to acquire all images of the tableware placed on the storage rack 22; the driving motor 23 may be disposed at a lower side in the washing device 100, or may be disposed at a back side of the washing device 100, i.e., a side away from the user where the dishes are placed;
further, the driving motor 23 is connected to the spray arm 25, and the position of the treating device 24 is not limited and may be located inside or outside the cleaning apparatus 100.
Further, the processing device 24 is electrically connected to the image pickup device 21 and the driving motor 23,
wherein the image acquisition device 21 is configured to: acquiring an image of the tableware; and the processing device 24 is configured to: determining characteristics of the dishware from the acquired images; and controlling a spray arm of the dishwasher to wash the tableware according to the characteristic.
It can be understood that after the user places the tableware on the shelf 22, the image capturing device 21 can be triggered to start working by turning on the trigger switch for cleaning or other forms, and after the image capturing device 2 captures the image of the tableware on the shelf 22, the processing device 24 will determine the characteristics of the tableware placed in the cleaning device 100 by using the image of the tableware captured by the image capturing device, and then issue a corresponding command according to the characteristics of the tableware to control the spraying arm of the dishwasher to clean the tableware.
It is understood that the processing device 24 may be any one of a computer and a microcomputer, and may be replaced with a digital circuit or an analog circuit.
Further, the characteristic of the tableware comprises at least one of the following:
the type of the tableware, the number of the tableware, the material of the tableware, the position of the tableware and the surface cleanliness of the tableware.
Still further, adjusting at least one of the following of the spray arm according to the characteristic:
water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke.
It will be appreciated that the "types" of cutlery described above may be classified according to their function, such as bowls and chopsticks, cups, spoons, etc., as exemplary; the tableware can also be classified according to the shape and the size of the tableware, such as a round disc, a square dish and the like; the classification may be performed in other manners, and the classification manner is not limited. The method for identifying the type of the tableware can adopt contour identification and feature identification to determine the content of the contour of the tableware according to the data corresponding to the contour of the tableware image, thereby determining what tableware is. Exemplary are as follows: generally, the goblets are provided with finger cup holders which stand on a long and thin foot, so that the long and thin foot and the finger cup holder are preset as unique characteristics of the goblets, and when a user puts in the goblets, the type of the goblets is judged according to the acquired image contour and the characteristics of the goblets.
Further, the "material" of the tableware may be classified into metal such as wood, ceramics, glass, plastics, copper, iron, aluminum, etc., or alloy such as stainless steel; the tableware material can be identified by adopting the reflecting degree of the tableware and combining the type of the tableware, firstly, the approximately usable material range can be analyzed according to the type of the tableware image, the goblet can only be glass or crystal, a specific light source is further provided in the cleaning device, the material of the tableware is identified through an illumination model due to different material light reflection, in some embodiments, the texture of the tableware can be further comprehensively analyzed, and the following steps are exemplified: and according to the tableware image of the goblet under a specific light source, calculating coefficients of an environment illumination component, a diffuse reflection illumination component, a specular reflection component and a reflectivity component by using an illumination model, thereby identifying whether the glass or the crystal to which the tableware belongs.
Further, the surface cleanliness of the tableware can be obtained by extracting oil stain as a contour after the gray scale of a tableware image is binarized, and obtaining the cleanliness of the surface of the tableware according to the ratio of black pixel points reflected by the oil stain to the whole area of the tableware or directly according to the area occupied by the oil stain; exemplary are as follows: 1. carrying out grey level binarization on the tableware image; 2. separating the greasy dirt part of the tableware by local threshold separation; 3. calculating the proportion value of the oil stain part in the whole tableware area; 4. and comparing the ratio value with a preset threshold value to obtain the surface cleanliness. Exemplary are as follows: the proportion value of the oil stain part to the whole tableware area is 50 percent as one threshold value, when the proportion value is lower than the threshold value, the tableware is judged to be cleaner, otherwise, when the proportion value exceeds the threshold value, the tableware is judged to be dirtier.
Similarly, the "number" of the tableware can be obtained by performing target extraction analysis according to the tableware image, such as extracting the tableware outline, or according to the user's own input.
Wherein the "position" of the dishes may be obtained from the washing position in which the dish image contour falls within the washing device, such as, for example: 1. establishing a coordinate system; 2. dividing a cleaning area of the cleaning device into at least four quadrants according to a coordinate system; 3: and obtaining the cleaning area where the tableware is located according to the proportion of the specific space occupied by the tableware image in the quadrant. I.e., the position of the dishes, it is understood that the entire washing area is divided into at least four quadrants, i.e., four spaces, and when the dishes are located at two quadrants at the same time, the quadrant with the largest dish ratio is taken as the quadrant where the dishes are located, as exemplified by: if the tableware accounts for 70% of the space in the first quadrant and 30% of the space in the second quadrant; the utensil is identified as being in the first quadrant.
The treating device 24 can determine the characteristics of the dishware in the washing apparatus 100 in the above manner, such as goblet-2-glass-first quadrant-cleaner; after the processing device 24 determines the characteristics of the dishes, the program is issued corresponding to the characteristics of the dishes to control the spray arm 25 to spray the dishes in a targeted manner.
Referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of a cleaning mechanism 2 according to a fourth embodiment of the present invention. Fig. 7 is a partial structural schematic view of a cleaning mechanism 2 according to a fourth embodiment of the present invention. The spray arm 25 is provided with water spray holes 251 communicated with the interior of the spray arm 25, and the water spray holes 251 are arranged on the spray arm 25 at intervals. So that the spray arm sprays a larger range, thereby preventing dead angles from occurring in the cleaning process, and simultaneously saving the cost and increasing the cleaning force.
Further, the spray arm 25 is cylindrical, and the water spray holes 251 are spaced and arrayed in the cross section of the spray arm, so that the cleaning liquid sprayed from the water spray holes is sprayed at an angle.
Referring to fig. 8, fig. 8 is a cross-sectional view of a spray arm 25 according to a fourth embodiment of the present invention, at least one water spraying hole 251 is respectively disposed on the same cross-section, and is equally spaced, optionally 3, and respectively shows an angle b, wherein the angle b is between 10 ° and 90 °, and the cross-section is defined as: the spraying medium a may be water or a mixture incorporating a cleaning liquid, along a cross section in a direction in which the spraying holes 251 spray the cleaning medium a. The water spraying holes 251 are arranged to spray the cleaning medium a at an angle, so that the spraying coverage area is enlarged, and a better cleaning effect is achieved.
Further, the processing device 24 adjusts at least one of the following of the spray arm 25 according to the cutlery characteristics: water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke. The method comprises the following steps:
referring to fig. 5 and 8, further, the spray arm 25 is connected to the driving motor 23, the driving motor 23 is electrically connected to the processing device 24, the cleaning apparatus 100 further includes a water pressure transducer (not shown), a water heater (not shown), and a water valve (not shown), the water pressure transducer and the water heater are electrically connected to the processing device, and the water pressure transducer, the water heater, and the water valve are all connected and conducted to the inside of the spray arm. The connection between the spray arm and the water pressure transmitter, the water heater, the water valve, and the driving motor may be direct connection or indirect connection through an intermediate member, the connection mode is not limited, and since the above elements are common technical features of those in the art, those in the art should understand that the prior art has a mature scheme in terms of installation mode, position relationship, and connection mode and belongs to a technical means which is easy to implement, and the fourth embodiment of the present invention is not set forth herein.
It can be understood that the water valve can control the water yield of the spray-washing medium a, the water pressure transmitter can control the water pressure, the water heater can control the water temperature, and the driving motor 23 can control the rotating speed, the moving stroke, the washing time and the water outlet angle of the spray arm. Therefore, the processing device 24 can correspondingly issue commands to control the operations of the driving motor 23, the water pressure transmitter, the water valve and the water heater according to the acquired characteristics of the tableware, so as to control the spraying mode of the spraying arm 25. By the way, different dishware is purposefully cleaned, so that the situations that the cleaning device 100 consumes long time, cannot clean and wastes electric energy when the dishware cleaned by the cleaning device 100 once is too little are avoided, such as: a coordinate system is established to divide the area of the rack 22 for placing the dishes into four quadrants, i.e. one, two, three, and four quadrants, and if it is detected that no dishes exist in the first quadrant, the spray arm 25 is controlled to rotate to the first quadrant, and the spray holes 251 corresponding to the first quadrant stop spraying water for cleaning. Therefore, the energy is saved, the cleaning efficiency is improved, meanwhile, the universality of the cleaning device 100 is increased, the cleaning device is suitable for tableware of various types and materials, users do not need to classify the tableware by themselves, the tableware does not need to be placed specifically, the cleaning effect can be ensured, and the requirements of the users are better met.
The spray arm 25 may rotate or translate based on the driving motor 23, and when the spray arm 25 is rotatable, the spray arm is disposed at a central position in the dishwasher, wherein the central position is defined as a middle position of the plurality of racks 22 of the dishwasher device 100, so as to cover the dishes on the plurality of racks 22 when the spray arm 25 rotates. Therefore, the space inside the cleaning device 100 is saved, tableware on a plurality of storage racks 22 can be sprayed only by adopting the single spraying arm 25, the cost of design and materials is saved, and meanwhile, a larger use space is brought to users.
It will be appreciated that typically the rack 22 is at least one, and that the present embodiment may alternatively be two, so called double racks, with the spray arm 25 being located in the middle of the two racks 22 so that all dishes on the two racks 22 can be sprayed when the spray arm 25 is rotated.
Further, the cleaning device 100 further includes a mounting bracket 26, the spray arm 25 is rotatably connected to the mounting bracket 26, and the mounting bracket 26 is fixed in position such that the spray arm 25 can rotate relative to the mounting bracket 26. the manner in which the mounting bracket 26 is fixed in position is not limited, for example, the mounting bracket 26 can be fixedly connected to the rack 22 or other positions.
Referring to fig. 9, fig. 9 is a schematic view of a rotatable spray arm of the cleaning device 100 according to the fourth embodiment of the present invention, and further, the processing equipment 24 controls the spray arm 25 to rotate back and forth according to the characteristics of the dishes, so that the spray arm 25 only discharges water in the cleaning area where the dishes are placed. Wherein the washing area, i.e., the rack 22, is an area for placing dishes.
It can be understood that, according to the image information of the dishes, if there are no dishes in the washing area, the spray arm 25 does not rotate to the area, but is limited to rotate back and forth only in the area of the washing area where the dishes are placed; thereby saving electric power and water energy, accelerating the cleaning speed, reducing the time required by cleaning and increasing the satisfaction degree of users. Exemplary are as follows: if there are dishes only in the washing zone y within the angle of e ° to r ° in the spray coverage of the spray arm 25, the spray arm 25 rotates only at the angle of e ° to r °. Thereby avoiding the situation that the spray arm 25 rotates in the same whole circle even if a small amount of tableware is washed, wasting electric energy and prolonging the washing time.
It can be understood from the above description that, when the spray arm 25 sprays, the spray arm 25 has a spray coverage due to the design of the water outlet holes 25, and therefore, the e ° to r ° of the spray coverage of the spray arm 25 is defined as the angle of rotation required for the spray coverage to cover the cleaning region y.
Referring to fig. 10, fig. 10 is a schematic structural view of the cleaning device 100 according to the fourth embodiment of the present invention when the spray arm 25 is configured to be translatable, and when the spray arm 25 is configured to be translatable, the cleaning device 100 further includes a switching mechanism (not shown) connected between the driving motor 23 and the spray arm 25, so that the driving motor 23 is connected to the spray arm 25 to enable the driving motor 23 to control the spray arm 25 to translate.
It can be understood that the spray arm 25 is positioned on the side of the rack 22 when it is translated, so as to avoid collision with the rack 22 during the up-and-down translation; the tableware is individually cleaned in a mode of spraying the cleaning area y in the process of up-down translation or left-right translation.
In some embodiments, the spray arm 25 can be translated and simultaneously rotated, i.e., first the spray arm 25 adjusts the proper water exit angle according to the characteristics of the dishware, as exemplified by: if the user assumes that the tableware is placed at any angle, the spray arm can adjust the water outlet angle according to the position of the tableware, namely the spray arm rotates to the position of o degrees to discharge water and wash the tableware in front. The spray arm 25 then moves further up and down according to the dish characteristics to spray the dishes.
Further, the conversion mechanism is at least one of a gear rack, a nut screw, a four-bar linkage and a roller flexible cable. The gear rack, the nut screw, the four-bar linkage and the roller flexible cable are common technical characteristics of the person skilled in the art, and the invention is not described in an excessive way.
Further, when the spray arm 25 is translated, the spray arm 25 is controlled to reciprocate within the washing area y where the dishes are placed, that is, to translate up and down within the calculated distance h, or to translate left and right, so as to play a role of saving energy and accelerating efficiency by saving a motion path.
It will also be appreciated that the distance h of translation depends on the extent of coverage sprayed by the spray arm 25 and the angle at which it sprays, and need only be sufficient to fully cover the cleaning area y in which the dishes are placed.
To sum up, the fourth embodiment of the present invention provides a cleaning device, which can acquire an image of a dish to be cleaned by an image acquisition device, and then perform feature recognition on the image of the dish by a processing device, so as to further control a spray arm to perform targeted cleaning according to the characteristics of the dish, wherein the spray arm can perform adjustment on a water outlet angle, a water outlet amount, a water outlet pressure, cleaning time, a water outlet temperature, a rotation speed of the spray arm, a movement stroke of the spray arm, and the like according to the characteristics of the dish, thereby realizing targeted spraying, saving energy, accelerating cleaning efficiency, increasing universality of a dish washing machine, and improving satisfaction degree of users.
It will also be understood by those skilled in the art that if the method or the cleaning apparatus of the present invention is simply changed, the functions added to the above method are combined, or the apparatus is replaced, for example, the model material of each component is replaced, the use environment is replaced, the positional relationship of each component is simply replaced, etc.; or the products formed by the components are integrally arranged; or a detachable design; it is within the scope of the present invention to replace the methods and apparatus of the present invention with any method/apparatus/device that combines the components to form a method/apparatus/device with specific functionality.
The fifth embodiment of the present invention also provides a dishwasher including the washing device 100 as described above. It should be understood that the dishwasher is not limited to size, shape, and contour, and only requires corresponding components of the washing device 100 to perform the same or similar functions, all of which are within the scope of the present invention.
The washing device 100 further comprises a memory, in which the above-mentioned method for controlling a dishwasher can be stored as a program element, and the execution of the above-mentioned program element stored in the memory by a processor achieves the corresponding function.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more, and the spraying arm of the dish washing machine is controlled to wash the tableware according to the tableware image by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
A sixth embodiment of the present invention provides a machine-readable storage medium having stored thereon a program which, when executed by a processor, implements the method for controlling a dishwasher.
A seventh embodiment of the present invention provides a processor for running a program, wherein the program when running performs the method for controlling a dishwasher.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that 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 identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (19)
1. A method for controlling a dishwasher, comprising:
acquiring an image of the dishware in the dishwasher;
determining from the image a characteristic of the utensil:
and controlling a spray arm of the dishwasher to wash the tableware according to the characteristic.
2. The method of claim 1, wherein the features comprise at least one of:
the type of the tableware, the number of the tableware, the material of the tableware, the position of the tableware and the surface cleanliness of the tableware.
3. The method of claim 1, wherein said controlling a spray arm of the dishwasher to wash the dishes in accordance with the characteristic comprises:
adjusting at least one of the following of the spray arm according to the characteristic:
water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke.
4. The method of claim 1, wherein the dishwasher comprises a plurality of washing zones,
the controlling a spray arm of the dishwasher to wash the dishes according to the characteristic comprises:
determining a washing area where the tableware is located;
and when the spray arm is used for cleaning the cleaning area where the tableware is positioned, the spray arm is controlled to clean the tableware according to the characteristics of the tableware.
5. The method of claim 1,
when the spray arm is not movable, the controlling the spray arm of the dishwasher to wash the dishes according to the characteristic comprises: adjusting at least one of the water yield, the water outlet pressure, the cleaning time and the water outlet temperature of the spray arm according to the characteristics in an adaptive manner;
when the spray arm is movable, the controlling the spray arm of the dishwasher to wash the dishes according to the characteristic comprises: and adaptively adjusting at least one of the water yield, the water outlet pressure, the cleaning time and the water outlet temperature of the spray arm according to the characteristics, and adaptively adjusting at least one of the water outlet angle of the spray arm, the rotating speed of the spray arm and the movement stroke of the spray arm.
6. The method of claim 4, wherein said controlling a spray arm of the dishwasher to wash the dishes in accordance with the characteristic further comprises:
controlling the spray arm to rotate in a reciprocating manner, so that the spray arm only discharges water in a washing area where the tableware is placed;
the spray arm is controlled to reciprocate in a washing area where the tableware is placed.
7. The method of claim 4, wherein said controlling a spray arm of said dishwasher to wash said dishware based on said characteristic further comprises:
when the water outlet of the spray arm is in the region which is difficult to clean of the tableware, at least one of the rotation speed of the spray arm is reduced, the water outlet amount is increased, and the water outlet pressure is increased; when the water outlet of the spray arm is in the easy-to-clean area of the tableware, at least one of the rotation speed of the spray arm is increased, the water outlet amount is reduced, and the water outlet pressure is reduced; and/or
When the water outlet of the spray arm is in the region which is difficult to clean of the tableware, at least one of the moving speed of the spray arm, the water outlet amount and the water outlet pressure is reduced; when the water outlet of the spray arm is in the easier washing area of the tableware, at least one of the moving speed of the spray arm is increased, the water outlet quantity is reduced, and the water outlet pressure is reduced.
8. The method of claim 1, wherein determining the characteristic of the utensil from the image comprises:
establishing a cloud database according to a tableware image collected in advance and a label of the tableware image;
creating an image recognition model;
pre-training an image recognition model through the cloud database;
inputting the acquired tableware images into a pre-trained image recognition model to determine the characteristics of the tableware, wherein the acquired tableware images are uploaded to a cloud database to serve as training samples of the image recognition model.
9. A washing device for a dishwasher, comprising:
an image acquisition device configured to acquire an image of the tableware;
a processing device configured to:
determining characteristics of the dishware from the acquired images;
and controlling a spray arm of the dishwasher to wash the tableware according to the characteristic.
10. The cleaning apparatus defined in claim 9, wherein the features comprise at least one of:
the type of the tableware, the number of the tableware, the material of the tableware, the position of the tableware and the surface cleanliness of the tableware.
11. The washing apparatus as claimed in claim 9, wherein said controlling the spray arm of the dishwasher to wash the dishes according to the characteristic comprises:
adjusting at least one of the following of the spray arm according to the characteristic:
water outlet angle, water outlet quantity, water outlet pressure, cleaning time, water outlet temperature, spray arm rotating speed and spray arm movement stroke.
12. The cleaning apparatus defined in claim 9, wherein the spray arm is provided with spray holes communicating with the interior of the spray arm, the spray holes being spaced apart from the spray arm.
13. The cleaning apparatus defined in claim 9, further comprising a drive motor, the spray arm being connected to the drive motor, the drive motor being electrically connected to the treatment device.
14. The cleaning apparatus defined in claim 12, further comprising at least one shelf, wherein the spray arm is disposed at a central position or at a side of the shelf.
15. The cleaning apparatus defined in claim 12, further comprising a conversion mechanism disposed between the drive motor and the spray arm to effect translation of the spray arm by the drive motor.
16. The cleaning apparatus defined in claim 12, wherein the switching mechanism is at least one of a rack and pinion, a nut screw, a four bar linkage, and a roller cable.
17. The cleaning device of claim 12, further comprising a water pressure transmitter, a water heater, and a water valve, wherein the water pressure transmitter, the water valve, and the water heater are electrically connected to the processing device, and the water pressure transmitting mechanism, the water valve, and the water heater are connected and conducted to the inside of the spray arm.
18. A dishwasher, comprising the washing device for a dishwasher according to any one of claims 9 to 17.
19. A machine-readable storage medium, characterized in that the machine-readable storage medium has stored thereon instructions for enabling a processor to execute the method for controlling a dishwasher according to any one of claims 1 to 8 when executed by the processor.
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