CN114277548A - Washing machine and control method thereof - Google Patents
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- CN114277548A CN114277548A CN202111625899.2A CN202111625899A CN114277548A CN 114277548 A CN114277548 A CN 114277548A CN 202111625899 A CN202111625899 A CN 202111625899A CN 114277548 A CN114277548 A CN 114277548A
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Abstract
The embodiment of the application provides a washing machine and a control method thereof, relates to the technical field of washing machines, and is used for reducing the power consumption of the washing machine so as to meet the energy-saving requirement of a user. A washing machine, comprising: a housing, and a washing tub disposed in the housing; the washing machine further includes: a controller configured to: in the washing process, determining the actual power consumption of the washing machine till the current time of the washing; the energy saving operation is performed in a case where the actual power consumption amount of the washing machine is greater than or equal to the power consumption amount threshold.
Description
Technical Field
The application relates to the technical field of washing machines, in particular to a washing machine and a control method thereof.
Background
The clothes washing is a housework which is difficult to escape from ancient times to present, and people need to continuously repeat the same physical work, which is very hard and tiring. With the continuous development of the technological level and the pursuit of people for good life, the washing machine comes to the end, and the hands of people are liberated.
Therefore, the washing machine is gradually becoming an appliance which the household must possess. However, the use of the washing machine inevitably increases the power consumption of the home as compared to the conventional washing mode. In the washing process, the washing machine consumes a large amount of electricity, and may not meet the energy-saving requirement of a user.
Disclosure of Invention
The application provides a washing machine and a control method thereof, which are used for meeting the energy-saving requirement of a user on the washing machine.
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a washing machine comprising: a housing; a washing tub disposed in the casing; further comprising:
a controller configured to:
in the washing process, determining the actual power consumption of the washing machine till the current time of the washing; the energy saving operation is performed in a case where the actual power consumption amount of the washing machine is greater than or equal to the power consumption amount threshold.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects:
the controller of the washing machine can calculate the actual power consumption of the washing machine till the current moment in the washing process. Under the condition that the calculated actual power consumption is larger than or equal to the power consumption threshold, the controller of the washing machine executes energy-saving operation, so that the power consumption in the washing process can be reduced, the power consumption in the use process of the washing machine is smaller than the maximum power consumption as far as possible, and the energy-saving requirement of a user is met.
In some embodiments, the washing machine further comprises one or more of a motor, a heating device, a display, or a water inlet valve.
Wherein, the motor is used for providing kinetic energy for the rotation of the washing barrel;
the heating device is used for heating the washing water in the washing barrel;
the display is used for displaying the operation parameters and the like in the washing process;
the water inlet valve is used for injecting washing water into the washing barrel.
And, the energy saving operation comprises one or more of:
when the washing machine includes a motor, reducing a rotation-stop ratio of the motor;
when the washing machine includes the heating device, lowering a heating temperature of the heating device, or turning off the heating device;
when the washing machine includes a display, reducing display brightness of the display;
when the washing machine includes a water inlet valve, the water inlet frequency of the water inlet valve is reduced.
In some embodiments, the controller of the washing machine is specifically configured to: obtaining the operation parameters of the washing machine, the power of each target electrical element and the actual working time of the washing machine, wherein the operation parameters comprise one or more of the following items: laundry program, water level or laundry load amount; determining a correction function of each target electrical element according to the operation parameters of the washing machine for washing clothes at this time; for each target electrical element, determining the actual power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the actual working time length; the actual power consumption of the washing machine is determined based on the actual power consumption of each of the target electrical components. Therefore, the power consumption of each electric element is corrected and calculated, and the power consumption of the washing machine to the current washing machine can be determined more accurately and intelligently without adding an additional detection device.
In some embodiments, the controller of a washing machine provided herein is specifically configured to: obtaining the operation parameters of the washing machine for washing the clothes at this time and the power of each target electrical element, wherein the operation parameters comprise one or more of the following items: laundry program, water level or laundry load amount; determining a correction function of each target electrical element and predicting the working time according to the operation parameters of the washing machine for washing the clothes at this time; for each target electrical element, determining a predicted power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the predicted operating time period; the predicted power consumption of the washing machine is determined based on the predicted power consumption of each of the target electrical components. Therefore, at the beginning of washing, the user can basically know the power consumption in the washing process, so that the user can more clearly perceive the performance of the washing machine.
In some embodiments, the target electrical components of the washing machine include one or more of a controller, a motor, a heating device, a display, or a water inlet valve.
In a second aspect, the present application provides a control method of a washing machine, including: in the washing process, determining the actual power consumption of the washing machine till the current time of the washing; the energy saving operation is performed in a case where the actual power consumption amount of the washing machine is greater than or equal to the power consumption amount threshold.
In some embodiments, the energy saving operation comprises one or more of:
when the washing machine includes a motor, reducing a rotation-stop ratio of the motor;
when the washing machine includes the heating device, lowering a heating temperature of the heating device, or turning off the heating device;
when the washing machine includes a display, reducing display brightness of the display;
when the washing machine includes a water inlet valve, the water inlet frequency of the water inlet valve is reduced.
In some embodiments, determining the actual power consumption of the current washing till the current time specifically includes: obtaining the operation parameters of the washing machine, the power of each target electrical element and the actual working time of the washing machine, wherein the operation parameters comprise one or more of the following items: laundry program, water level or laundry load amount; determining a correction function of each target electrical element according to the operation parameters of the washing machine for washing clothes at this time; for each target electrical element, determining the actual power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the actual working time length; the actual power consumption of the washing machine is determined based on the actual power consumption of each of the target electrical components.
In some embodiments, the control method of the washing machine further includes: obtaining the operation parameters of the washing machine for washing the clothes at this time and the power of each target electrical element, wherein the operation parameters comprise one or more of the following items: laundry program, water level or laundry load amount; determining a correction function of each target electrical element and predicting the working time according to the operation parameters of the washing machine for washing the clothes at this time; for each target electrical element, determining a predicted power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the predicted operating time period; the predicted power consumption of the washing machine is determined based on the predicted power consumption of each of the target electrical components.
In some embodiments, the target electrical component comprises one or more of a controller, a motor, a heating device, a display, or a water inlet valve.
In a third aspect, embodiments of the present application provide a computer-readable storage medium having instructions stored therein, which when run on any one of the above apparatuses, cause the apparatus to perform a control method of any one of the above washing machines.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium having instructions stored therein, which when run on any one of the above apparatuses, cause the apparatus to perform any one of the above washing machine control methods.
In a fifth aspect, embodiments of the present application provide a computer program product containing instructions that, when run on any one of the above apparatuses, cause the apparatus to perform any one of the above washing machine control methods.
In the embodiments of the present application, the names of the components of the above-mentioned apparatus do not limit the apparatus itself, and in practical implementations, these components may appear by other names. Insofar as the functions of the respective components are similar to those of the embodiments of the present application, they are within the scope of the claims of the present application and their equivalents.
In addition, the technical effects brought by any one of the design methods of the second aspect to the fifth aspect can be referred to the technical effects brought by the different design methods of the first aspect, and are not described herein again.
Drawings
Fig. 1 is a schematic view of an intelligent home system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a washing machine according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a circuit architecture of a washing machine according to an embodiment of the present disclosure;
fig. 4 is a flowchart of a control method of a washing machine according to an embodiment of the present disclosure;
fig. 5 is a flowchart of a method for determining actual power consumption of a washing machine according to an embodiment of the present disclosure;
fig. 6 is a flowchart illustrating a method for determining predicted power consumption of a washing machine according to an embodiment of the present disclosure;
fig. 7 is a schematic view of a usage scenario of a washing machine according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. In addition, when a pipeline is described, the terms "connected" and "connected" are used in this application to have a meaning of conducting. The specific meaning is to be understood in conjunction with the context.
In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The washing machine is an electric appliance which is necessary for families daily, and the invention of the washing machine enables daily life of users to be more convenient. After a long time of development, many types have appeared, the most common being pulsator washing machines and drum washing machines.
The impeller type washing machine has the working principle that the impeller arranged at the bottom of the washing drum rotates forward and backward to drive water flow in the water drum to rotate left and right to form vortex. The moving water flow drives the clothes in the washing machine to rotate and roll, so that friction is generated between the washing liquid and the clothes, between the clothes and the cylinder wall, stains on the clothes are removed, and the clothes are cleaned.
The washing principle of the drum washing machine is that a stick hammer is simulated to hit clothes, the clothes are controlled by a mechanized program, centrifugal force is generated when the drum rotates, the clothes are lifted to the highest position by the centrifugal force and the lifting ribs, the clothes fall by utilizing gravity, the beating effect is achieved, and the washing principle is repeated, so that the clothes are cleaned under the action of a detergent and water. And finally, dehydrating by using the centrifugal force generated by the high-speed rotation of the washing drum to finish washing.
As described in the background art, the washing machine is gradually becoming an appliance which a household must possess. However, the use of the washing machine inevitably increases the power consumption of the home as compared to the conventional washing mode.
In view of the above, embodiments of the present disclosure provide a washing machine, in which a controller performs an energy saving operation if it is determined that a current actual power consumption is greater than or equal to a power consumption threshold during a washing process, so as to reduce power consumption of the washing machine during a subsequent washing process. Therefore, the power consumption in the whole washing process is ensured to be less than the preset maximum power consumption as far as possible, so that the energy-saving requirement of a user is met.
For example, the method provided by the embodiment of the present application may be applied to the smart home system shown in fig. 1. As shown in fig. 1, the smart home system may include a washing machine, a server, and a terminal device. Wherein, the server can respectively establish connection with the washing machine and the terminal equipment to realize mutual communication. It should be understood that the connection means may be a wireless connection, such as a bluetooth connection, a Wi-Fi connection, etc.; alternatively, the connection method may be a wired connection, for example, an optical fiber connection, and the like, which is not limited thereto.
The terminal device in the embodiment of the present application may be any form of mobile terminal. Such as a mobile phone, a tablet computer, a desktop computer, a laptop computer, a handheld computer, a notebook computer, an ultra-mobile personal computer (UMPC), a netbook, a cellular phone, a Personal Digital Assistant (PDA), an Augmented Reality (AR) \ Virtual Reality (VR) device, etc., and the embodiment of the present application is not limited to a specific form of the terminal device. In addition, in the embodiment of the application, a first application program can be installed on the terminal device, and a user can realize control over the washing machine through the first application program.
The server in the embodiments of the present application may be a device having data processing capabilities as well as data storage capabilities. The server may be, for example, one server, or a server cluster composed of a plurality of servers, or one cloud computing service center, which is not limited to this. Alternatively, the server in the embodiment of the present application may be a background server for controlling an application program of the washing machine.
In the embodiment of the present application, the washing machine may be a drum washing machine, a pulsator washing machine, or the like. The washing machine can also be provided with a wireless fidelity (WIFI) module so as to establish connection with the server.
To further describe the solution of the present application, taking a pulsator washing machine as an example, as shown in fig. 2, a schematic mechanical structure diagram of the pulsator washing machine provided in the embodiment of the present application is shown.
As shown in fig. 2, the washing machine 10 may include one or more of the following: a housing 101, a washing tub 102, a motor 103, a controller 104, a display 105, a water inlet valve 106, and a water discharge valve 107. The controller 104 is connected to the display 105, the water inlet valve 106, the drain valve 107 and the motor 103.
In some embodiments, the housing 101 is used to protect electrical components inside the washing machine, and to close the passage of contacts inside and outside the washing machine, thereby preventing the electrical components from being damaged.
In some embodiments, the washing tub 102 may be used to hold laundry. For example, when the washing machine 10 is a drum washing machine, the washing tub of the washing machine may include a combination tub, i.e., an inner tub and an outer tub.
In some embodiments, the motor 103 may be used to power low speed rotation in washing and rinsing and high speed rotation in dewatering.
In some embodiments, the controller 104 refers to a device that can generate an operation control signal instructing the washing machine 10 to execute a control instruction according to the instruction operation code and the timing signal. Illustratively, the controller 107 may be a Central Processing Unit (CPU), a general purpose processor Network Processor (NP), a Digital Signal Processor (DSP), a microprocessor, a microcontroller, a Programmable Logic Device (PLD), or any combination thereof. The controller may also be other devices with processing functions, such as a circuit, a device, or a software module, which is not limited in any way by the embodiments of the present application.
In some embodiments, the display 105 may be a liquid crystal display, an organic light-emitting diode (OLED) display. The particular type, size, resolution, etc. of the display is not limiting, and those skilled in the art will appreciate that the display may be modified in performance and configuration as desired. The display may be used to display a control panel of the washing machine. The washing machine may feed back a current state of the washing machine, such as being in a washing state or a drying state, through the display. The display is connected with the controller. The display may be used to display various image content sent from the web server.
In some embodiments, the water inlet valve 106 may be used to control the flow of water into the wash tub. For example, when the water inlet valve 106 receives a water inlet command from the controller 104, the water inlet valve is opened to allow water to flow into the washing tub, so that the washing machine performs a subsequent washing process.
In some embodiments, the drain valve 107 is used to receive a drain command from the controller 104 and open the drain valve to allow the water to drain smoothly when the water needs to be drained at the end of the washing process.
Fig. 3 is a circuit system architecture diagram of the washing machine. As shown in fig. 3, the washing machine 10 may further include one or more of the following: a weight sensor 108, a timer 109, a water level sensor 110, a communication device 111, a voice prompt device 112, a man-machine interaction device 113, a temperature sensor 114, a heating device 115 and a drying device 116.
Wherein, the weight sensor 108, the timer 109, the water level sensor 110, the communication device 111, the human-computer interaction device 113, the temperature sensor 114, the heating device 115 and the drying device 116 are all connected with the controller 104.
In some embodiments, weight sensor 108 refers to a sensor that is capable of detecting a weight and converting a detected weight value into a usable output signal. In some embodiments of the present application, the weight sensor 108 may be used to detect a weight value of laundry within the washing tub. After the user puts the laundry into the washing tub, the weight sensor 108 transmits the weight value of the laundry in the washing tub to the display. The display can show the gear that the weight value of clothing corresponds the load capacity, and the user can look over the load capacity of clothing in the washing tub through the display.
In some embodiments, the timer 109 refers to a device capable of detecting the operating time of each electrical element. In some embodiments of the present application, the timer 109 may be used to accumulate the length of water intake of the water inlet valve.
In some embodiments, the water level sensor 110 refers to a device capable of detecting a water level inside the washing tub and converting the detected water level into a usable output signal. In some embodiments of the present application, the water level sensor 110 may be used to acquire the water level within the washing machine. After the washing machine starts to feed water, when the water level sensor 110 detects that the water level reaches a preset height, the controller controls the water feed valve to be closed to stop feeding water.
In some embodiments, the communication device 111 is a component for communicating with external devices or servers according to various communication protocol types. For example: the communication device 111 may include at least one of a wireless communication technology (Wi-Fi) module, a bluetooth module, a wired ethernet module, a Near Field Communication (NFC) module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The communication device 111 may be used for communicating with other devices or communication networks (e.g., ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), etc.). Illustratively, the communication device 111 is connected with a controller, and the controller can be used for communicating with the terminal device through the communication device 111. If the actual power consumption is greater than or equal to the power consumption threshold, the controller may send a prompt message to the terminal device through the communication device 111.
In some embodiments, the voice prompt device 112 may be used for voice prompting after the washing machine completes the relevant washing operation, such as a washing end prompt tone, a rinsing end prompt tone, and a dewatering end prompt tone. The content of the voice prompt can be preset by a manufacturer of the washing machine or can be set by a user through a display. For example, if the actual power consumption exceeds the power consumption threshold, the controller may play the prompt message through the voice prompt 112.
In some embodiments, a human-machine interaction device 113 for enabling interaction between a user and the washing machine. The human-computer interaction device 113 may comprise one or more of physical keys or a touch-sensitive display panel. For example, the user may set an operation mode in the washing process through the human-machine interaction device 113.
In some embodiments, temperature sensor 114 refers to a sensor that can detect a temperature and can convert the detected temperature value into a usable output signal. For example, the temperature sensor 114 may be used to detect the temperature of the water or air within the washing tub and send the temperature to a controller and display. The controller may be programmed accordingly based on the temperature value detected by the temperature sensor 114. The display may display the temperature of the body of water or air.
In some embodiments, the heating device 115 refers to a heating assembly having a heating tube or element. For example, the heating tube may be a seamless metal tube (carbon steel tube, titanium tube, stainless steel tube, copper tube) in which an electric heating wire is installed, and a gap portion is filled with magnesium oxide powder having good thermal conductivity and insulation properties and then contracted, and may be further processed into various shapes. The heating device has the advantages of small volume, high heating temperature and good adaptability to severe environment. And a heating device for heating the washing water in the washing tub. For example, the controller may detect the temperature of the water in the washing tub through the temperature sensor 114, and control the heating device 115 to adjust the temperature of the water in the washing tub to the optimal activation temperature indicated by the product information of the detergent, so as to facilitate the detergent to be quickly dissolved in the washing tub, thereby achieving a good washing effect. For example, the optimum active temperature of the detergent is 30 degrees celsius, and the controller detects that the temperature of the water in the washing tub is 20 degrees celsius through the temperature sensor 116, and the controller may control the heating device 115 to heat the water in the washing tub to 30 degrees celsius.
In some embodiments, the drying device 116 refers to a drying assembly having a drying fan or a ventilation element for blowing heat generated by the heating device 115 into the washing machine, thereby drying the laundry. For example, the controller may detect the temperature of the air in the washing tub through the temperature sensor 114, and control the heating device 115 at a set temperature, and the drying device 116 blows the heat generated from the heating device 115 into the washing machine. For example, through a lot of experiments, it is found that the optimum temperature for drying the laundry is 40 degrees celsius, and the controller detects that the temperature of the air in the washing tub is 20 degrees celsius through the temperature sensor 114, the controller may control the heating device 115 to heat to 40 degrees celsius, and the drying device 116 may blow the heat generated by the heating device 115 into the washing machine, thereby drying the laundry.
The technical solutions provided by the embodiments of the present application will be described in detail below with reference to the drawings of the specification. Based on the above washing machine, as shown in fig. 4, an embodiment of the present application provides a control method of a washing machine, including the following steps:
s101, in the washing process, the actual power consumption of the washing machine from the current washing to the current time is determined.
The current time may be any time in the washing process, which is not limited herein.
The washing process is from the beginning of receiving the washing instruction to the end of washing.
And S102, executing energy-saving operation under the condition that the actual power consumption of the washing machine is greater than or equal to the power consumption threshold value.
In some embodiments, the power consumption threshold is smaller than a preset maximum power consumption of the washing. For example, the maximum power consumption amount may be set to 0.8 degrees, and the power consumption amount threshold may be set to 0.6 degrees or 0.7 degrees.
In some embodiments, the maximum power consumption of the washing may be set by the user. Or, the maximum power consumption of the washing may be set when the washing machine leaves a factory, for example, a manufacturer of the washing machine may perform a plurality of tests on a prototype of the washing machine to determine a reasonable maximum power consumption.
In some embodiments, the power consumption threshold and the maximum power consumption satisfy a predetermined relationship.
For example, the predetermined relationship may be that the power consumption threshold is equal to the difference between the maximum power consumption and the predetermined value. For example, assuming the predetermined value is 0.2 degrees and the maximum power consumption is 0.8 degrees, the power consumption threshold may be determined to be 0.6 degrees.
For another example, the predetermined relationship may be that a ratio between the power consumption amount threshold and the maximum power consumption amount is equal to a predetermined ratio. For example, assuming that the predetermined ratio is 80% and the maximum power consumption is 0.8 degrees, the power consumption threshold may be determined to be 0.64 degrees.
It should be understood that the power consumption threshold may be a standard value of the power consumption of the washing machine to complete the entire washing process. That is, in the case where the washing machine normally washes laundry, the actual power consumption of the washing machine is generally not greater than the power consumption threshold. However, in the case where a user malfunctions (for example, the user puts in laundry too much) or the washing machine malfunctions, the actual power consumption of the washing machine may be greater than the power consumption threshold. In this regard, in order to avoid waste of power, the washing machine may perform an energy saving operation after the actual power consumption is greater than or equal to the power consumption threshold.
In some embodiments, the energy saving operation may include one or more of:
and operating a controller of the washing machine to reduce the rotation-stop ratio of the motor. The rotation-stop ratio of the motor is the ratio of the time of the motor rotating to the time of the motor stopping in a period of time.
As a possible implementation, the controller of the washing machine reduces the motor from the current spin-to-stop ratio to the first spin-to-stop ratio. For example, the controller of the washing machine stops the motor for 5 seconds from the current rotation for 30 seconds, and adjusts the motor to rotate for 20 seconds and stop for 10 seconds.
Optionally, the first spin-stop ratio may be set by a user, or set when the washing machine leaves a factory, or continuously adjusted according to the real-time power consumption of the washing machine.
It should be understood that when the motor rotates, it consumes electric energy and converts the electric energy into kinetic energy, so that the clothes and water are continuously turned over and rubbed with the wall of the tub with great force, thereby washing the clothes. The higher the motor spin-stop ratio, the longer the operating time of the motor, the more electric energy the motor consumes. Therefore, the power consumption of the motor can be reduced by reducing the rotation-stop ratio of the motor, so that the power consumption of the washing machine in the washing process is reduced, and the purposes of energy conservation and emission reduction are achieved.
Secondly, the controller of the washing machine reduces the heating temperature of the heating device; alternatively, the controller of the washing machine turns off the heating device.
As a possible implementation manner, the controller of the washing machine achieves the purpose of reducing the heating temperature of the heating device by reducing the heating time period and/or the heating power of the heating device.
For example, taking the heating device as a heating tube, the controller may adjust the heating power of the heating tube from 2000W/h to 1000W/h, and/or adjust the heating tube to operate for 10 minutes in 20 minutes, so as to lower the heating temperature of the heating tube.
It will be appreciated that the higher the water temperature, the greater the power and/or duration of operation of the heating means and the greater the power consumption. The heating temperature of the heating device is reduced or the heating device is directly closed, so that the power consumption of the heating device can be reduced, and the purpose of reducing the power consumption of the washing machine is achieved.
And thirdly, the controller of the washing machine reduces the display brightness of the display.
It should be understood that the higher the display brightness of the display, the more power the display will consume. By reducing the display brightness of the display, the power consumption of the display can be reduced when the display is not operated by a person. After the operation of the display by the user is detected, the controller of the washing machine increases the display brightness of the display, and the user operates the washing machine. Therefore, the power consumption of the display can be reduced when the display is operated by no person, and the purpose of saving electric energy is achieved.
And fourthly, reducing the water inlet frequency of the water inlet valve by the controller of the washing machine. Wherein, the water inlet frequency of the water inlet valve refers to the water inlet frequency of the water inlet valve in unit time.
For example, when the controller detects that the actual power consumption is greater than or equal to the power consumption threshold, the controller of the washing machine may adjust the water inlet frequency of the water inlet valve from 3 minutes of water inlet to 5 minutes of water inlet.
It is understood that by reducing the water inlet frequency of the water inlet valve, the power consumption of the water inlet valve in the whole washing process can be reduced, thereby achieving the purpose of saving energy.
In some embodiments, in case the actual power consumption amount is less than the power consumption amount threshold, the controller of the washing machine does not perform the energy saving operation but normally operates the washing program.
The embodiment shown in fig. 4 provides a technical solution with at least the following beneficial effects: the actual power consumption is greater than the power consumption threshold, which means that the power consumption of the washing machine after the completion of the washing is possibly greater than the maximum power consumption. Therefore, in order to meet the requirement of saving energy of a user, the washing machine executes energy-saving operation under the condition that the actual power consumption is greater than or equal to the power consumption threshold value so as to reduce the power consumption in the subsequent process of the current washing, and the use of the washing machine meets the limitation of the maximum power consumption as far as possible.
When the scheme provided by the embodiment of the application is applied to the washing machine with the energy-saving function, if the washing machine starts the energy-saving function, the washing machine can execute the embodiment shown in the figure 4; if the energy-saving function is not started, the user pays more attention to the washing effect rather than the energy-saving effect, so that the washing machine executes the washing process according to the operation parameters set by the user and does not need to execute energy-saving operation in the washing process.
In some embodiments, based on the embodiment shown in fig. 4, as shown in fig. 5, step S101 may be implemented as the following steps:
s1011, obtaining the operation parameters of the washing machine in the washing process, the power of each target electric element and the actual working time.
Wherein the operating parameters include: one or more of a washing course, a water level, or a laundry load amount.
The washing program is used for determining parameters such as motor power, washing time and the like in the washing process of the washing machine. For example, the washing course may be a standard mode, a fine washing mode, a quick washing mode, a soft washing mode, etc. In some embodiments of the present application, a user may set a washing program of a washing machine through a human-machine interaction device of the washing machine; alternatively, the user may set a washing program of the washing machine through the terminal device.
The water level is used to indicate the height of the washing water in the washing tub or the volume of the washing water in the washing tub during the washing process. For example, the water level may have a plurality of levels, such as 1 level, 4 level, 6 level, 8 level, 10 level, etc. In some embodiments of the present application, a user may set a water level of a washing machine through a human-machine interaction device of the washing machine; alternatively, the user may set the water level of the washing machine through the terminal device.
Laundry load, for characterizing the weight or volume of laundry within a washing machine. For example, the controller of the washing machine may determine the volume of the laundry placed in the washing machine through the light sensor, and then determine the laundry load amount according to the volume of the laundry placed in the washing machine. Alternatively, the controller of the washing machine may determine the weight of the laundry placed in the washing machine through the weight sensor, and further determine the laundry load amount according to the weight of the laundry placed in the washing machine. For example, the washing machine may be determined to have a laundry load amount of 40% assuming that the washing machine can be placed with a maximum total weight of laundry of 5kg and the weight of the currently placed laundry within the washing machine is 2 kg.
Each of the target electrical components includes: one or more of a motor, a heating device, a display, or a water inlet valve.
In some embodiments, the power of each target electrical component is preset at the factory of the washing machine.
In some embodiments, the actual operating time of each target electrical component is accumulated by timer 109.
And S1012, determining a correction function of each target electrical element according to the operation parameters of the current washing of the washing machine.
Wherein the correction function is used to calculate the power consumption of the washing machine. Specifically, the correction function is used to modify the theoretical power consumption of each target electrical component to obtain the actual power consumption of each target electrical component.
In some embodiments, there is a correspondence between the operating parameters of the washing machine and the correction functions for each of the target electrical components. For example, taking the operation parameters including a washing course, a water level, and a laundry load amount as an example, the correspondence relationship between the operation parameters of the washing machine and the correction function of the motor may be referred to as the following table 1.
In table 1, the water levels are assumed to be divided into 1, 4, 6, 8, 10 for five gears. The load capacity is divided into five gears of 10% load, 30% load, 50% load, 80% load and 100% load. The washing program is divided into a standard mode, a fine washing mode and a quick washing mode, and the three modes are total.
TABLE 1
Based on this, the controller of the washing machine prestores the corresponding relationship between the operation parameters and the correction functions of the target electrical elements, so that the correction functions of the target electrical elements corresponding to the operation parameters used in the current washing can be found according to the corresponding relationship.
Taking table 1 as an example, assuming that the washing program is in the standard mode, the laundry load is 10% load, and the water level is 4 in the operation parameters used in the present washing, the correction function of the motor may be determined to be F2 (x).
In some embodiments, the correction function may be determined by experimental testing, simulation, and the like.
For example, the correction function of each target electrical component may be determined by: in the delivery stage of the washing machine, the theoretical power consumption of each target electrical element of the mass production prototype is calculated according to the power of each target electrical element calibrated by the mass production prototype and the working time of each target electrical element obtained by the timer 109. Actual measured values of the power consumption of all target electric elements of the washing machine are obtained through a professional power consumption detection device. And dividing the actual measured value of the power consumption of each target electric element of the mass production prototype by the theoretical calculated value of the power consumption of each target electric element to obtain the correction function F (x) of each target electric element under the corresponding operation parameter.
It should be understood that in order to ensure the accuracy of the correction function, a plurality of experimental tests may be performed and the correction function may be determined based on the results of the plurality of experimental tests such that the error between the actual power consumption calculated from the correction function and the true power consumption is controlled within a reasonable range of values (e.g., 30%).
And S1013, for each target electrical element, determining the actual power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the actual working time length.
And S1014, determining the actual power consumption of the washing machine according to the actual power consumption of each target electric element.
The actual power consumption calculation formula of the washing machine for washing the clothes at this time is as follows:
wherein W represents the actual power consumption of the washing machine, pnRepresents the power of the nth target electrical element, TnShowing the working time of the nth target electrical element to the current time in the washing process, Fn(x) And a correction function corresponding to the nth target electrical element is shown, wherein N is a positive integer.
Optionally, after calculating the actual power consumption, the controller of the washing machine may further display the actual power consumption through the display, so that the user can intuitively know the actual power consumption of the washing machine.
The embodiment shown in fig. 5 brings at least the following advantages: the controller of the washing machine can calculate the accurate actual power consumption of the washing machine only by acquiring the power and the actual working time of each target electrical element. In addition, the whole calculation process is simple, so that the controller of the washing machine is not required to have strong calculation capacity, and the cost of the controller of the washing machine is reduced.
In some embodiments, the controller of the washing machine may calculate not only the actual power consumption but also the predicted power consumption, so that the user may know the predicted power consumption of the current washing before or during the washing. As shown in fig. 6, an embodiment of the present application provides a control method of a washing machine, including the steps of:
s201, obtaining the operation parameters of the washing machine in the current washing process and the power of each target electric element.
Wherein the operating parameters include one or more of: a wash program, a water level, or a laundry load. The power of each target electrical component is preset at the factory stage of the washing machine.
S202, according to the operation parameters of the washing machine in the current washing process, the correction function of each target electrical element and the predicted working time are determined.
For the related description of the correction function, reference may be made to the foregoing description, and details are not repeated here.
The predicted working time of each target electrical element refers to the predicted working time of each target electrical element in the process of completing the washing of the washing machine at this time.
In some embodiments, the washing machine prestores a corresponding relationship between the operation parameter and the predicted operating time of each target electrical element, so that the controller of the washing machine can determine the predicted operating time of each target electrical element corresponding to the operation parameter used for the current washing according to the corresponding relationship and the operation parameter used for the current washing.
Alternatively, the predicted operating time of each target electrical component may be obtained through experimental tests. For example, during the operation of the washing machine according to the target operation parameters, the operation time of each target electrical component in the whole washing process is recorded by the timer 109, and the predicted operation time of each target electrical component can be determined.
S203, for each target electrical element, determining the predicted power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the predicted working time.
And S204, determining the predicted power consumption of the washing machine according to the predicted power consumption of each target electric element.
The predicted power consumption of the washing machine may be determined according to the following formula:
wherein W' represents the predicted power consumption, pnDenotes power, T 'of the n-th target electric element'nIndicating the predicted operating time of the nth target electrical component, Fn(x) And a correction function corresponding to the nth target electrical element is shown, wherein N is a positive integer.
In some embodiments, the target electrical component further comprises one or more of a controller, a motor, a heating device, a display, or a water inlet valve.
In some embodiments, after the washing is completed, the controller of the washing machine may send a prompt message to the terminal device, where the prompt message is used to prompt the user that the washing is completed, or inform the user of the operating parameters, power consumption, and the like of the washing. As shown in fig. 7(a), the mobile phone of the user receives a prompt message indicating that the washing is finished. By clicking the "view" button, as shown in fig. 7(b), the user can view information such as a washing program, washing duration, power consumption, and the like in the washing process.
In some embodiments, after the washing is completed, the washing machine display displays information such as the operation parameters and the power consumption in the washing process, or sends out a prompt sound (for example, buzzing for ten seconds) to prompt the user that the washing is completed, and informs the user of various parameter information in the washing process.
In some embodiments, after the washing is finished, the controller stores parameters such as power consumption, washing duration, operation mode and the like in the washing process through the computer readable storage medium. The washing machine is connected with the terminal device through a network by a communication device (such as the communication device 111), and the user shares the power consumption and the corresponding operating parameters of the washing machine in the current washing process to other users through sharing software (such as WeChat, QQ and the like) by the terminal device.
The above description has presented the scheme provided herein primarily from a methodological perspective. It is understood that the controller of the washing machine includes hardware structures and/or software modules corresponding to perform the respective functions in order to implement the above-described functions. Those of skill in the art will readily appreciate that the present invention can be implemented in hardware or a combination of hardware and computer software, in conjunction with the exemplary algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The embodiment of the present application further provides a computer-readable storage medium, which includes computer-executable instructions, and when the computer-readable storage medium is run on a computer, the computer is caused to execute any one of the methods provided by the above embodiments.
The embodiments of the present application also provide a computer program product containing instructions for executing a computer, which when executed on a computer, causes the computer to perform any one of the methods provided by the above embodiments.
An embodiment of the present application further provides a chip, including: a processor coupled to the memory through the interface, and an interface, when the processor executes the computer program or the computer execution instructions in the memory, the processor causes any one of the methods provided by the above embodiments to be performed.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer-executable instructions. The processes or functions according to the embodiments of the present application are generated in whole or in part when the computer-executable instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer executable instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer executable instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). Computer-readable storage media can be any available media that can be accessed by a computer or can comprise one or more data storage devices, such as servers, data centers, and the like, that can be integrated with the media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
While the present application has been described in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Although the present application has been described in conjunction with specific features and embodiments thereof, it will be evident that various modifications and combinations can be made thereto without departing from the spirit and scope of the application. Accordingly, the specification and figures are merely exemplary of the present application as defined in the appended claims and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the present application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
The above is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A washing machine comprising: a housing, and a washing tub disposed within the housing; it is characterized by also comprising:
a controller configured to:
determining the actual power consumption of the washing machine till the current moment in the washing process;
performing an energy saving operation in a case where an actual power consumption amount of the washing machine is greater than or equal to a power consumption amount threshold.
2. The washing machine as claimed in claim 1 further comprising one or more of a motor, a heating device, a display or a water inlet valve;
wherein the energy saving operation comprises one or more of:
when the washing machine includes the motor, reducing a rotation-stop ratio of the motor;
when the washing machine includes the heating device, reducing a heating temperature of the heating device, or turning off the heating device;
when the washing machine includes the display, reducing display brightness of the display;
when the washing machine includes the water inlet valve, the water inlet frequency of the water inlet valve is reduced.
3. A washing machine as claimed in claim 2, wherein the controller is particularly configured to:
obtaining the operation parameters of the washing machine in the current washing, the power of each target electrical element and the actual working time, wherein the operation parameters comprise one or more of the following parameters: laundry program, water level or laundry load amount;
determining a correction function of each target electrical element according to the operation parameters of the washing machine for washing the clothes at this time;
for each target electrical element, determining the actual power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the actual working time length;
determining an actual power consumption of the washing machine based on the actual power consumption of each of the target electrical components.
4. A washing machine as claimed in claim 2, wherein the controller is particularly configured to:
obtaining the operation parameters of the washing machine for washing the clothes at this time and the power of each target electrical element, wherein the operation parameters comprise one or more of the following items: laundry program, water level or laundry load amount;
determining a correction function of each target electrical element and predicting the working time according to the operation parameters of the washing machine for washing the clothes at this time;
for each target electrical element, determining a predicted power consumption of the target electrical element based on the correction function of the target electrical element, the power of the target electrical element, and a predicted operating time period;
determining a predicted power consumption of the washing machine based on the predicted power consumption of each of the target electrical components.
5. A washing machine as claimed in claim 3 or 4 wherein the target electrical component comprises one or more of the controller, the motor, the heating means, the display or the inlet valve.
6. A control method of a washing machine, characterized by comprising:
determining the actual power consumption of the washing machine till the current moment in the washing process;
performing an energy saving operation in a case where an actual power consumption amount of the washing machine is greater than or equal to a power consumption amount threshold.
7. The method of claim 6, wherein the energy saving operation comprises one or more of:
when the washing machine includes a motor, reducing a rotation-stop ratio of the motor;
when the washing machine includes a heating device, reducing a heating temperature of the heating device, or turning off the heating device;
when the washing machine includes a display, reducing display brightness of the display;
when the washing machine includes a water inlet valve, the frequency of water inlet by the water inlet valve is reduced.
8. The method as claimed in claim 7, wherein the determining the actual power consumption of the washing machine by the current time during the washing process specifically comprises:
obtaining the operation parameters of the washing machine in the current washing, the power of each target electrical element and the actual working time, wherein the operation parameters comprise one or more of the following parameters: laundry program, water level or laundry load amount;
determining a correction function of each target electrical element according to the operation parameters of the washing machine for washing the clothes at this time;
for each target electrical element, determining the actual power consumption of the target electrical element according to the correction function of the target electrical element, the power of the target electrical element and the actual working time length;
determining an actual power consumption of the washing machine based on the actual power consumption of each of the target electrical components.
9. The method of claim 7, further comprising:
obtaining the operation parameters of the washing machine for washing the clothes at this time and the power of each target electrical element, wherein the operation parameters comprise one or more of the following items: laundry program, water level or laundry load amount;
determining a correction function of each target electrical element and predicting the working time according to the operation parameters of the washing machine for washing the clothes at this time;
for each target electrical element, determining a predicted power consumption of the target electrical element based on the correction function of the target electrical element, the power of the target electrical element, and a predicted operating time period;
determining a predicted power consumption of the washing machine based on the predicted power consumption of each of the target electrical components.
10. The method of claim 8 or 9, wherein the target electrical component comprises one or more of the controller, the motor, the heating device, the display, or the fill valve.
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