KR20220112618A - Washing machine and controlling method thereof - Google Patents

Abstract

Disclosed is a washing machine capable of providing a guide for adjusting the height of legs supporting a main body. The washing machine includes the main body, the plurality of legs disposed on the bottom of the main body to support the main body, a sensor for detecting the tilt of the main body, a communication interface for communicating with an external device, and a processor for, when a user command for diagnosing the leveling of the washing machine is input, controlling the communication interface to transmit a signal for controlling a guide for a motion of shaking the main body in a predetermined direction to the external device, and when a change in the sensing value for the tilt of the main body is detected by the sensor, acquiring a tilt change value of the main body and controlling the communication interface to transmit the obtained tilt change value to the external device.

Description

Washing machine and its control method {WASHING MACHINE AND CONTROLLING METHOD THEREOF}

The present disclosure relates to a washing machine and a control method thereof, and more particularly, to a washing machine that provides a guide for adjusting the height of a leg supporting a washing machine body through horizontal diagnosis of the washing machine, and a control method thereof.

A washing machine is a mechanical device that cleans laundry by removing contaminants from laundry such as clothes, towels, quilts, blankets, etc. In general, a hexahedral body and four legs ( It has a structure including legs).

The legs are generally bolted, so that when rotating in one direction, the length is extended, and when rotating in the other direction, the length is shortened, so that the height and level of the washing machine can be adjusted.

If the height of the plurality of legs supporting the washing machine is not aligned with each other and the washing machine is not level, the center of gravity of the washing basket is misaligned, causing eccentricity during rotation. Also, it is necessary to adjust the height of the legs to adjust the horizontal state of the washing machine.

Conventionally, in order to determine whether the product is in a horizontal state with respect to the ground, a level is placed on the upper surface of the product to determine whether the product is horizontal, or whether the user shakes the product and directly checks whether flow occurs.

However, when using a level, separate equipment is required, and since the support for the ground is solid by the three legs, even if the level is judged to be in an externally horizontal state through the level, when an impact is applied, one leg that does not contact the ground There was a problem that the flow could be caused by

In addition, in the case of checking whether a flow occurs by shaking the product, the determination of the degree of shaking of the product may be different for each individual, so it is difficult to quantitatively determine the horizontal state.

The present disclosure is to solve the above problems, and an object of the present disclosure is to provide a guide for horizontal diagnosis to a user, detect a change in inclination according to an impact applied to the washing machine, and determine the horizontal state of the washing machine to set the washing machine body. An object of the present invention is to provide a washing machine capable of providing a guide for adjusting the height of a supported leg, and a method for controlling the same.

In order to achieve the above object, a washing machine according to an embodiment of the present disclosure includes a main body, a plurality of legs disposed on a bottom surface of the main body to support the main body, a sensor for detecting the inclination of the main body, and communication with an external device control the communication interface to transmit a signal for controlling output of a guide for shaking the main body in a preset direction to an external device when a user command for horizontal diagnosis of the communication interface and the washing machine is input to an external device, and a processor controlling the communication interface to obtain a change in inclination of the main body when a change in the sensing value for the inclination of the main body is detected through a sensor, and to transmit the obtained inclination change to an external device.

In this case, the processor obtains a first inclination change value corresponding to the inclination change in the first diagonal direction of the main body and a second inclination change value corresponding to the inclination change in the second diagonal direction, and the obtained The communication interface may be controlled to transmit the first gradient change value and the second gradient change value to an external device.

In this case, the plurality of legs may include a first leg positioned in the first diagonal direction and a second leg positioned in the second diagonal direction.

On the other hand, the server according to an embodiment of the present disclosure, based on the inclination change value received from the washing machine through a communication interface that communicates with an external device and a receiving device of the communication interface, is applied to the plurality of legs included in the washing machine. and a processor for controlling the transmitting device of the communication interface to generate an adjustment guide for the plurality of legs and to transmit the generated adjustment guide for the plurality of legs to the user terminal device.

In this case, the processor may generate an adjustment guide for the plurality of legs when the inclination change value is equal to or greater than a threshold value.

Meanwhile, the processor receives a first inclination change value corresponding to a change in inclination of the washing machine in a first diagonal direction and a second inclination change value corresponding to a change in inclination in a second diagonal direction of the washing machine through the receiving device, , If the first inclination change value is greater than or equal to a threshold value, an adjustment guide for the first leg positioned in the first diagonal direction is generated, and if the second inclination change value is greater than or equal to the threshold value, located in the second diagonal direction An adjustment guide for the second leg may be created.

On the other hand, the user terminal device according to an embodiment of the present disclosure includes a communication interface for communicating with an external device, a display, and a value of a change in inclination of a washing machine received through a receiving device of the communication interface and a plurality of values included in the washing machine. and a processor controlling the display to display an adjustment guide for the leg.

In this case, when a control signal corresponding to a user command for horizontal diagnosis of the washing machine is received through the receiving device, the processor may control the display to display a guide for shaking the washing machine in a preset direction. can

Meanwhile, when an adjustment guide for the plurality of legs is received through the receiving device, the processor may control the display to display an adjustment guide UI corresponding to the adjustment guide.

Meanwhile, the user terminal device further includes a speaker, and the processor controls the speaker to output an adjustment guide message corresponding to the adjustment guide when the adjustment guide for the plurality of legs is received through the receiving apparatus can do.

On the other hand, the horizontal diagnosis method of the washing machine according to an embodiment of the present disclosure includes providing a guide for shaking the main body of the washing machine in a preset direction when a user command for horizontal diagnosis of the washing machine is input; Acquiring a change in inclination value of the main body based on a change in a value sensed by a sensor for detecting an inclination, and providing an adjustment guide for a plurality of legs supporting the main body based on the obtained inclination change value. do.

In this case, the step of providing the adjustment guide may include transmitting the inclination change value to a server through the communication interface of the washing machine, and based on the inclination change value received through the receiving device of the server, the plurality of legs generating an adjustment guide for the user terminal device, transmitting the adjustment guide to the user terminal device through the transmitting device of the server, and displaying an adjustment guide UI corresponding to the adjustment guide received through the receiving device of the user terminal device on a display may include the step of

In this case, the generating of the adjustment guide may include generating the adjustment guide for the plurality of legs when the inclination change value is equal to or greater than a threshold value.

On the other hand, the step of providing a guide for the motion of shaking the main body in a predetermined direction includes providing a guide for each of the motion of shaking the main body in the first diagonal direction and the second diagonal direction, and obtaining the inclination change value The step may include acquiring a first inclination change value corresponding to a change in inclination of the main body in a first diagonal direction and a second inclination change value corresponding to a change in inclination in a second diagonal direction of the main body.

In this case, the plurality of legs includes a first leg positioned on the first diagonal direction and a second leg positioned on the second diagonal direction, and the providing of the adjustment guide includes the first inclination change If the value is greater than or equal to the threshold, an adjustment guide for the first leg may be provided, and if the second inclination change value is greater than or equal to the threshold, an adjustment guide for the second leg may be provided.

1 is a view showing a washing machine according to an embodiment of the present disclosure.
2 is a block diagram illustrating a configuration of a washing machine according to an embodiment of the present disclosure.
3 is a block diagram illustrating a horizontal adjustment system according to an embodiment of the present disclosure.
4 is a block diagram illustrating a configuration of a server according to an embodiment of the present disclosure.
5 is a block diagram illustrating a configuration of a user terminal device according to an embodiment of the present disclosure.
6 is a sequence diagram illustrating an operation between a washing machine, a server, and a user terminal device according to an embodiment of the present disclosure.
7 is a view for explaining a horizontal diagnosis method of a washing machine according to an embodiment of the present disclosure.
8 is a diagram illustrating an example of a UI displayed on a user terminal device to receive a user command.
9 is a diagram illustrating an example of a UI displayed on a user terminal device to guide a user command input method for executing a horizontal diagnosis operation of a washing machine according to an embodiment of the present disclosure.
10 is a diagram illustrating an example of a UI provided in the washing machine for setting the horizontal diagnosis mode of FIG. 9 .
11 is a diagram illustrating an example of a UI displayed on a user terminal device to provide an adjustment guide for the first leg.
12 is a diagram illustrating a case in which the inclination change value of the body obtained through a sensor appears to be less than or equal to a threshold value.
13 is a diagram illustrating a case in which the inclination change value of the body obtained through a sensor appears to be greater than or equal to a threshold value.
14 is a diagram illustrating an example of a UI displayed on a user terminal device to provide an adjustment guide for the second leg.
15 is a diagram illustrating an example of a UI displayed on a user terminal device to provide a guide for adjusting the height of a leg.
16 is a diagram illustrating an example of a UI displayed on a display of a washing machine according to an embodiment of the present disclosure when it is determined that the washing machine is not in a horizontal state.
17 is a diagram illustrating an example of a UI displayed on a display of the washing machine according to an embodiment of the present disclosure when it is determined that the washing machine is in a horizontal state.
18 is a flowchart illustrating a horizontal diagnosis method of a washing machine according to an embodiment of the present disclosure.

It should be understood that the embodiments described below are illustratively shown to help the understanding of the present disclosure, and the present disclosure may be implemented with various modifications, unlike the embodiments described herein. However, in the following description of the present disclosure, if it is determined that a detailed description of a related known function or component may unnecessarily obscure the subject matter of the present disclosure, the detailed description and specific illustration thereof will be omitted. In addition, the accompanying drawings are not drawn to scale in order to help understanding of the disclosure, but dimensions of some components may be exaggerated.

The terms used in this specification and claims have been chosen in consideration of the function of the present disclosure. However, these terms may vary depending on the intention, legal or technical interpretation of a person skilled in the art, and the emergence of new technology. Also, some terms are arbitrarily selected by the applicant. These terms may be interpreted in the meaning defined in the present specification, and if there is no specific term definition, it may be interpreted based on the general content of the present specification and common technical knowledge in the art.

In the description of the present disclosure, the order of each step should be understood as non-limiting unless the preceding step must be logically and temporally performed before the subsequent step. That is, except for the above exceptional cases, even if the process described as the subsequent step is performed before the process described as the preceding step, the essence of the disclosure is not affected, and the scope of rights should also be defined regardless of the order of the steps.

In the present specification, expressions such as “have,” “may have,” “include,” or “may include” indicate the presence of a corresponding characteristic (eg, a numerical value, function, operation, or component such as a part). and does not exclude the presence of additional features.

Terms such as first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms may be used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present disclosure, a first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

In addition, since the present specification describes components necessary for the description of each embodiment of the present disclosure, the present disclosure is not necessarily limited thereto. Accordingly, some components may be changed or omitted, and other components may be added. In addition, they may be distributed and arranged in different independent devices.

Furthermore, embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present disclosure is not limited or limited by the embodiments.

Hereinafter, the present disclosure will be described in detail with reference to FIGS. 1 to 18 .

1 is a view showing a washing machine according to an embodiment of the present disclosure.

Referring to FIG. 1 , a washing machine 100 according to an embodiment of the present disclosure may include a main body 10 and a plurality of legs 20 supporting the main body 10 .

The washing machine 100 is a front load method for putting laundry into the inside of the washing machine 100 from the front of the washing machine 100 , and a top load type for putting laundry into the inside of the washing machine 100 from the top of the washing machine 100 . (Top Load) method or a hybrid method combining them may be implemented. In addition, the washing machine 100 rotates a pulsator formed on one surface (eg, a bottom surface) of the spin basket in a horizontal or vertical axis to generate a water flow, and rotates a laundry rod formed along one axis in the center of the laundry tub Agitator method, which rotates the spin basket on a horizontal axis to cause laundry to fall in the drum, steam method that sprays high-temperature steam, air wash method that blows off dust by spraying high-pressure air, or these It can also be implemented in a combined form. Meanwhile, although the washing machine 100 illustrated in FIG. 1 is illustrated in a top-loading manner, this is only an exemplary embodiment and may be implemented in the washing machine of the various types described above.

Also, the washing machine 100 according to various embodiments of the present disclosure may be implemented in combination with other electronic devices. For example, a washing machine is a dryer, a personal computer (PC), a TV (Television), a DVD (Digital Video Disk) player, an audio system, a refrigerator, an air conditioner, an oven, an air purifier, a set-top box, and a home automatic machine. home automation control panel, security control panel, TV box (e.g. Samsung HomeSync™, Apple TV™, or Google TV™), game console (e.g. Xbox™, PlayStation™); Electronic frame security devices, industrial or household robots or internet of things (e.g. light bulbs, sensors, electricity or gas meters, sprinkler devices, fire alarms, thermostats, street lights, heaters, boilers, etc.) It may include at least one.

The main body 10 may form the exterior of the washing machine 100 . The main body 10 may include an inlet having an opening formed therein so that laundry can be put in, and a door capable of opening and closing the inlet.

The plurality of legs 20 are disposed on the bottom surface of the main body 10, and may support the main body 10 with respect to the ground. In general, the washing machine 100 may include four legs disposed on each corner of the bottom surface of the main body 10 , two fixed legs disposed on the rear portion and two variable legs disposed on the front portion and adjustable in height. (21, 22) may be included.

When the main body 10 of the washing machine 100 is level with the ground and all four legs 20 come into contact with the ground, even if an impact is applied to the washing machine 100 according to the washing operation of the washing machine 100, 4 The washing machine 100 can be stably supported through the legs 20 of the dog.

Accordingly, the present disclosure confirms whether the washing machine 100 is stably leveled through the plurality of legs 20 and provides a guide to adjust the heights of the variable legs 21 and 22 when not in a horizontal state. (100) is given.

2 is a block diagram illustrating a configuration of a washing machine according to an embodiment of the present disclosure.

Referring to FIG. 2 , the washing machine 100 includes a sensor 110 , a processor 120 , a memory 130 , a communication interface 140 , an input interface 150 , a display 160 , a speaker 170 , and a driving unit ( 180) may be included.

The sensor 110 may detect the inclination of the washing machine 100 , and may generate and output an electrical signal corresponding to the detection result. The sensor 110 may transmit an electrical signal to the processor 120 or store a detection result in the memory 130 of the washing machine 100 or an external device.

The sensor 110 may detect the inclination of the main body 10 or sense the degree of impact applied to the main body 10 . For example, the sensor 110 may be implemented as a microelectromechanical systems (MEMS) sensor 111 , a gyro sensor 112 , an acceleration sensor 113 , and the like.

The sensor 110 may be disposed close to the upper surface of the body 10 . Accordingly, when the washing machine 100 shakes due to the imbalance of the legs 20 , the shaking can be easily detected compared to the case where the washing machine 100 is disposed under the main body 10 .

The processor 120 may control the overall operation of the washing machine 100 . To this end, the processor 120 may include a RAM 121 , a ROM 122 , a main CPU 123 , an image processing unit 124 , and an audio processing unit 125 .

When a user command for horizontal diagnosis of the washing machine 100 is input, the processor 120 outputs a guide for shaking the main body 10 in a preset direction, and the inclination of the main body 10 through the sensor 110 When a change in the sensing value is detected, the inclination change value of the main body 10 may be obtained, and adjustment guides for the plurality of legs 20 may be output based on the inclination change value.

In this case, the processor 120 controls to provide the guide through the display 160 or the speaker 170 built in the washing machine 100, or receives a signal for providing the guide so that the guide can be provided through an external device. The communication interface 140 may be controlled to transmit to an external device. A detailed description related to the provision of a guide through an external device will be described later.

Various instructions, programs, or data necessary for the operation of the washing machine 100 or the processor 120 may be stored in the memory 130 . For example, information acquired by the sensor 110 and data received from an external electronic device may be stored in the memory 130 .

The memory 130 includes volatile memories such as static random access memory (S-RAM) and dynamic random access memory (D-RAM), flash memory, read only memory (ROM), erasable programmable read only memory (EPROM), and EEPROM. It may be implemented as a non-volatile memory such as (Electrically Erasable Programmable Read Only Memory), a hard disk drive (HDD), or a solid state drive (SSD). The memory 130 is accessed by the processor 120 , and reading/writing/modification/deletion/update of data by the processor 120 may be performed. The term "memory" of the present disclosure refers to the memory 130, the RAM 121 in the processor 120, the ROM 122, or a memory card (eg, micro SD card, memory stick, etc.) mounted in the washing machine 100. may include

Here, the processor 120 and the memory 130 may be implemented in a physically separate configuration, or may be implemented in a single configuration, such as the processor 120 including the memory 130 . In addition, a single configuration or a plurality of configurations of the processor 120 may be implemented as one system. The memory 130 may also be implemented in a single configuration or a plurality of configurations as one system.

The communication interface 140 may transmit/receive various types of data by performing communication with an external device (eg, a server, a smart phone, etc.) according to various types of communication methods. For example, the communication interface 140 transmits the information acquired by the sensor 110 to an external device such as the server 200 or the user terminal device 300 through the transmitter 141 or the washing machine 100 . A control command for driving may be received from an external device through the receiver 142 . To this end, the communication interface 140 includes a Bluetooth chip 143, a Wi-Fi chip 144, a wireless communication chip 145 and an NFC chip 146 for performing wireless communication, an Ethernet module 147 for performing wired communication, and At least one of the USB modules 148 may be included. In this case, the Ethernet module 147 and the USB module 148 performing wired communication may communicate with an external device through the input/output port 149 . The transmitter 141 and the receiver 142 may be referred to as a transmitter and a receiver, respectively.

Here, the input/output port 149 may be implemented as a wired port, such as an HDMI port, a display port, an RGB port, a Digital Visual Interface (DVI) port, a Thunderbolt, a LAN port, a USB port, a Lightning cable port, and a component port. The input/output port may transmit/receive various types of data by performing communication with various types of external devices through respective communication standards.

The input interface 150 is configured to receive various types of user commands from the user, and may transmit the received user commands to the processor 120 . For example, the processor 120 may receive a user command for horizontal diagnosis of the washing machine 100 through the horizontal diagnosis input knob 151 .

The input interface 150 may include, for example, a knob, a touch panel, or a key. The knob is rotatably mounted on the main body 10 and is configured so that a user can easily set a washing course or washing time by rotating the knob. The touch panel may use, for example, at least one of a capacitive type, a pressure sensitive type, an infrared type, and an ultrasonic type, and may include a control circuit therefor. The touch panel may further include a tactile layer to provide a tactile response to the user. The key may be implemented through, for example, a physical button method, an optical method, or a virtual keypad method combined with a touch panel. Meanwhile, the input interface 150 may receive a user command through an external device, such as a keyboard, mouse, or smart phone connected by wire or wirelessly.

The input interface 150 may directly receive the user's voice through a microphone built-in or external to the washing machine 100, and convert the user's voice, which is an analog signal, to digital by a digital converter to obtain an audio signal. can Also, as an embodiment, the input interface 150 may receive a user's voice, which is an analog signal, or an audio signal in which the user's voice is digitally converted from an external device such as a wired or wirelessly connected smart phone. In this case, the input interface 150 or the processor 120 may convert the user's voice into text data, such as Speech-to-Text (STT), using various speech recognition algorithms, and the text data It is also possible to interpret and recognize the meaning and execute commands according to the recognized meaning.

When the input interface 150 performs wired communication, it can communicate with an external device through the above-described input/output port 149 .

The display 160 may display various information. Specifically, the display 160 may display image data processed by the image processing unit 124 on the display area (or display). For example, the display 160 displays a sensed value for the inclination of the main body 10 obtained through the sensor 110 under the control of the processor 120 or the main body 10 obtained based on a change in the sensed value. ) of the slope change value can be displayed. In addition, the display 160 may display a guide UI for shaking the main body 10 in a preset direction, an adjustment guide UI for the plurality of legs 20 , and the like.

At least a part of the display 160 is a flexible display in which the display can be bent or bent, a foldable display in which the display can be folded, and a rollable display in which the display can be rolled up. ) may be coupled to at least one of the front, side, upper, and rear regions of the. However, the present invention is not limited thereto, and the display 160 may be implemented in an external form instead of internal to the washing machine 100 , and may display image data on an external display connected to the washing machine 100 by wire or wirelessly. may be

To this end, the display 160 may be implemented in the form of a liquid crystal display (LCD), a light emitting display (LED), an organic light emitting display (OLED), a micro LED, an electronic ink (e-ink), etc. This is merely an example, and is not limited thereto, and may be implemented with various modifications.

The speaker 170 is built-in to the washing machine 100 and directly outputs various types of audio data, such as decoding, amplification, and noise filtering, performed by the audio processing unit 125, as well as various notification sounds or voice messages. can For example, the speaker 170 may output a guide message for shaking the main body 10 in a preset direction, an adjustment guide message for the plurality of legs 20 , and the like.

The driving unit 180 may drive the overall operation of the washing machine 100 . The driving unit 180 may include a first driving source 181 that performs a washing operation by rotating a spin basket or a pulsator accommodated in the main body 10 .

Meanwhile, the driving unit 180 may include a second driving source 182 capable of adjusting the heights of the plurality of legs 20 . The second driving source may perform a height adjustment operation for the leg identified as requiring height adjustment under the control of the processor 120 . Accordingly, it is possible to automatically adjust the height of the legs without the user having to manually perform the height adjustment for each leg.

3 is a block diagram illustrating a horizontal adjustment system according to an embodiment of the present disclosure.

Referring to FIG. 3 , the horizontal adjustment system 1000 may include a washing machine 100 , a server 200 , and a user terminal device 300 .

According to the horizontal adjustment system 1000 according to an embodiment of the present disclosure, the washing machine 100 receives a user command for horizontal diagnosis of the washing machine 100 through the built-in input interface 150 or the server 200 Alternatively, a user command may be input from an external device such as the user terminal device 300 .

The server 200 may refer to an electronic device that collects and processes data of an external device. For example, the server 200 is a device that performs a function dedicated to the server, such as a cloud server, as well as various electronic devices such as smartphones, tablets, wearable devices, and PCs that can perform the functions of the server together with other functions. may be implemented. However, this is only an example, and the server 200 may be implemented with various types of electronic devices not listed here. Also, the server 200 may be implemented as a single device or as an aggregate comprising a plurality of devices.

The user terminal device 300 is a device capable of performing various functions, such as providing information to a user or receiving a user command, and may be various electronic devices such as a smart phone, a tablet, a wearable device, and a PC. The user terminal device 300 may receive a user command from the user and transmit it to the washing machine 100 through the server 200 or directly to the washing machine 100 . When the washing machine 100 directly communicates with the user terminal device 300 , communication may be performed using a short-range wireless communication method such as wifi direct or Bluetooth.

The washing machine 100 may transmit and receive various information (or data) by communicating with the server 200 or the user terminal device 300 through the communication interface 140 .

For example, when a user command for horizontal diagnosis is input, the washing machine 100 sends a signal for outputting a guide for shaking the main body 10 in a preset direction to the server 200 or the user terminal device 300 . can be transmitted In this case, a guide for shaking the main body 10 is provided to the user through the user terminal device 300 , and the user performs an action to shake the main body 10 of the washing machine 100 in a specific direction with reference to the guide. can do. Accordingly, when a change in the sensing value of the inclination of the main body 10 is detected through the sensor 110 of the washing machine 100 , the processor 120 may obtain a change in the inclination value of the main body 10 .

The washing machine 100 may transmit the obtained gradient change value to the server 200 or the user terminal device 300, and the server 200 or the user terminal device 300 may provide the received gradient change value to the user. have. In addition, the washing machine 100 may transmit a signal for outputting an adjustment guide for the plurality of legs 20 generated based on the inclination change value to the server 200 or the user terminal device 300 together with the inclination change value. have. Accordingly, the user terminal device 300 may provide the user with an adjustment guide for adjusting the heights of the plurality of legs 20 together with the inclination change value.

4 is a block diagram illustrating a configuration of a server according to an embodiment of the present disclosure.

Referring to FIG. 4 , the server 200 may include a communication interface 210 , a processor 220 , and a memory 230 .

The communication interface 210 may include a receiver 211 that receives information from an external device and a transmitter 212 that transmits information to the external device.

The server 200 may receive a gradient change value from the washing machine 100 through the receiver 211 . The processor 220 may generate an adjustment guide for the plurality of legs included in the washing machine 100 based on the inclination change value received through the horizontal diagnosis processing unit 221 . In addition, the server 200 may transmit the adjustment guide for the plurality of legs to the user terminal device 300 through the transmitter 212 .

5 is a block diagram illustrating a configuration of a user terminal device according to an embodiment of the present disclosure.

Referring to FIG. 5 , the user terminal device 300 may include a communication interface 310 , a processor 320 , a memory 330 , a display 340 , and a speaker 350 .

The processor 320 receives, through the receiver 311 , a control signal corresponding to a user command for horizontal diagnosis of the washing machine 100 , that is, a signal for controlling to output a guide for shaking the main body of the washing machine in a preset direction. Then, the display 340 may be controlled to display a guide for shaking the washing machine 100 in a preset direction.

In addition, the user terminal device 300 may receive an adjustment guide for a plurality of legs of the washing machine from the server 200 through the receiver 311 . The processor 320 may control the display 340 to display the inclination change value of the washing machine 100 received through the receiver 311 and adjustment guides for a plurality of legs included in the washing machine.

Meanwhile, the processor 320 may control to audibly output the adjustment guide message for the plurality of legs through the speaker 350 .

6 is a sequence diagram illustrating an operation between a washing machine, a server, and a user terminal device according to an embodiment of the present disclosure.

Referring to FIG. 6 , the washing machine 100 may obtain a change in inclination value of the main body 10 ( S610 ) and transmit the obtained inclination change to the server 200 ( S620 ). The server 200 may transmit the received gradient change value to the user terminal device 300 ( S630 ), and the user terminal device 300 may provide the received gradient change value to the user ( S640 ). In this case, the user terminal device 300 may provide the gradient change value through the display 340 .

The server 200 may perform a horizontal diagnosis on the washing machine based on the gradient change value received from the washing machine 100 ( S650 ). The server 200 may transmit the adjustment guide for the plurality of legs of the washing machine 100 generated by performing the horizontal diagnosis to the user terminal device 300 ( S660 ). The user terminal device 300 may provide an adjustment guide for a plurality of legs based on the received adjustment guide ( S670 ). In this case, the user terminal device 300 may control the display 340 to display an adjustment guide UI corresponding to the adjustment guide or control the speaker 350 to output an adjustment guide message corresponding to the adjustment guide.

7 is a view for explaining a horizontal diagnosis method of a washing machine according to an embodiment of the present disclosure.

Referring to FIG. 7 , the processor 120 may receive a user command for horizontal diagnosis. In this case, the user command may be implemented in various forms, such as a user's voice, motion, touch input, eye tracking, hovering, button input, and the like. However, this is only an example, and the user command may be implemented in any form in which the user can interact with the washing machine 100 .

Specifically, the processor 120 may receive a user command for horizontal diagnosis from an external device through the communication interface 140 , or may receive a user command for horizontal diagnosis through the input interface 150 . Specific details related to the communication interface 140 and the input interface 150 have been described above with reference to FIG. 2 .

When a user command for horizontal diagnosis is received, the processor 120 may output a guide for shaking the main body 10 in the first diagonal direction. Here, the first diagonal direction may be a left, top, right, bottom direction with respect to the upper surface of the main body 10 .

The processor 120 obtains a first inclination change value corresponding to the inclination change in the first diagonal direction of the main body 10 through the sensing value of the sensor 110 as the main body 10 shakes in the first diagonal direction can do.

In this case, the processor 120 compares the first inclination change value with the threshold value, and when the first inclination change value is less than the threshold value, the main body 10 may be identified as being in a horizontal state with respect to the first diagonal direction. . On the other hand, when the first inclination change value is greater than the threshold value, the main body 10 is identified as not in a horizontal state with respect to the first diagonal direction, and the adjustment guide for the first leg 21 located on the first diagonal direction can be printed out.

The processor 120 may output a guide for shaking the main body 10 in the second diagonal direction when the first inclination change value is smaller than the threshold value. Here, the second diagonal direction may be a left, bottom, right, top direction with respect to the top surface of the main body 10 .

The processor 120 obtains a second inclination change value corresponding to the inclination change in the second diagonal direction of the main body 10 through the sensing value of the sensor 110 as the main body 10 shakes in the second diagonal direction. can do.

In this case, the processor 120 compares the second gradient change value with the threshold value, and when the second gradient change value is smaller than the threshold value, the main body 10 may be identified as being in a horizontal state with respect to the second diagonal direction. . On the other hand, when the second inclination change value is greater than the threshold value, the main body 10 is identified as not in a horizontal state with respect to the second diagonal direction, and the adjustment guide for the second leg 22 located on the second diagonal direction is adjusted. can be printed out.

8 is a diagram illustrating an example of a UI displayed on a user terminal device to receive a user command.

Referring to FIG. 8 , the user may be provided with various product diagnosis functions of the washing machine 100 through the user terminal device 300 . For example, the user terminal device 300 is a UI that provides various functions for managing the washing machine 100 such as washing machine self-diagnosis, washing machine water temperature diagnosis, washing machine noise diagnosis, washing machine horizontal diagnosis, weight sensing zero adjustment, remote diagnosis request, etc. can be displayed.

The user terminal device 300 may transmit a user command to the washing machine 100 when receiving a user command for executing horizontal diagnosis of the washing machine. The washing machine 100 may perform a horizontal diagnosis operation upon receiving a user command for horizontal diagnosis. Specific details related to the horizontal diagnosis operation of the washing machine 100 have been described above with reference to FIG. 7 .

9 is a diagram illustrating an example of a UI displayed on a user terminal device to guide a user command input method for executing a horizontal diagnosis operation of the washing machine according to an embodiment of the present disclosure, and FIG. 10 is a view provided in the washing machine It is a drawing showing the enlarged UI.

9 and 10 show an example of a UI for guiding a method of inputting a user command for horizontal diagnosis through an input interface built into the washing machine 100 . 9 and 10 , the guide UI turns on the power of the washing machine 100, places the horizontal diagnostic knob 151 in the horizontal diagnostic menu, and displays text, images, or videos for guiding the operation of pressing the start button. can be displayed through

11 is a diagram illustrating an example of a UI displayed on a user terminal device to provide an adjustment guide for the first leg.

Referring to FIG. 11 , the guide UI may display contents guiding the motion of shaking the washing machine 100 in the first diagonal direction through text, an image, or a video. In addition, the guide UI displays the inclination change value received from the washing machine 100 to be compared with a threshold value (red circle, indicated by a dotted line in the drawing), and when the inclination change value is greater than or equal to the threshold value, the washing machine 100 is in a horizontal state It is possible to display the information NG that is not, and accordingly, it is possible to provide content to guide the adjustment of the height of the first leg 21 together.

12 is a diagram illustrating a case in which the inclination change value of the body obtained through a sensor appears to be less than or equal to a threshold value, and FIG. 13 is a diagram illustrating a case in which the inclination change value appears to be greater than the threshold value.

The processor 120 may obtain a value of a change in inclination of the main body 10 through a value sensed by the sensor 110 according to the shaking of the main body 10 .

In this case, the processor 120 compares the gradient change value with the threshold value, and when the gradient change value appears smaller than the threshold value as shown in FIG. 8 , the main body 10 may be identified as being in a horizontal state. On the other hand, when the inclination change value appears to be greater than the threshold value as shown in FIG. 9 , the main body 10 may be identified as not in a horizontal state, and an adjustment guide for the leg 20 may be output.

14 is a diagram illustrating an example of a UI displayed on a user terminal device to provide an adjustment guide for the second leg.

Referring to FIG. 14 , the guide UI may display contents guiding the shaking of the washing machine 100 in the second diagonal direction through text, an image, or a video. In addition, the guide UI displays the gradient change value received from the washing machine 100 to be compared with a threshold value (red circle, indicated by a dotted line in the drawing), and when the gradient change value is less than or equal to the threshold value, the washing machine 100 is in a horizontal state. It is possible to display the corresponding information (OK), and accordingly, information for guiding to adjust the height of the second leg 22 can be provided together.

15 is a diagram illustrating an example of a UI displayed on a user terminal device to provide a guide for adjusting the height of a leg.

Referring to FIG. 15 , the guide UI may provide a detailed method for adjusting the height of the leg, and if the inclination change value displayed on the UI is below a threshold value, a guide for terminating the horizontal diagnosis may be provided.

16 is a diagram illustrating an example of a UI displayed on the display of the washing machine when it is determined that the washing machine is not in a horizontal state, and FIG. 17 is an example of a UI displayed on the display of the washing machine when it is determined that the washing machine is in a horizontal state It is a drawing showing an example.

Information on whether the washing machine 100 is horizontal may be displayed through the display 160 built in the washing machine 100 . Referring to FIG. 16 , when it is identified that the washing machine 100 is not in a horizontal state, the processor 120 may control the display 160 to display information NG indicating that the washing machine 100 is not in a horizontal state. Meanwhile, referring to FIG. 17 , when the washing machine 100 is identified as being in the horizontal state, the processor 120 may control the display 160 to display information (OK) indicating that the washing machine 100 is in the horizontal state. can

18 is a flowchart illustrating a horizontal diagnosis method of a washing machine according to an embodiment of the present disclosure.

Referring to FIG. 18 , in the horizontal diagnosis method of the washing machine 100 according to an embodiment of the present disclosure, when a user command for horizontal diagnosis of the washing machine 100 is input, the main body 10 of the washing machine 100 is moved in a predetermined direction. A step of providing a guide for the shaking motion (S1810), a step of obtaining a change in inclination value of the main body 10 based on a change in the sensing value of the sensor 110 for detecting the inclination (S1820), and a step (S1820) based on the change in inclination value to provide an adjustment guide for the plurality of legs 20 supporting the body 10 ( S1830 ).

First, when a user command for horizontal diagnosis of the washing machine 100 is input, a guide for shaking the main body 10 of the washing machine 100 in a preset direction may be provided ( S1810 ).

Here, the user command for horizontal diagnosis may be received from the user terminal device 300 or may be input through the input interface 150 of the washing machine 100 .

The washing machine 100 displays a guide for shaking the main body 10 through the display 160 or transmits a signal to output the guide through the communication interface 140 to the server 200 or the user terminal device 300 It can be transmitted to an external device such as The server 200 may transmit a signal for outputting the guide to the user terminal device 300 , and the user terminal device 300 may output the guide through an output interface such as a display or a speaker.

By displaying the guide UI through the user terminal device 300 , a more detailed guide may be provided compared to providing the guide through the display 160 built into the washing machine 100 itself.

The washing machine 100 may provide a guide for each of shaking the main body 10 in the first diagonal direction and the second diagonal direction. Here, the first diagonal direction may be a left, top, right and bottom direction with respect to the top surface of the body 10 , and the second diagonal direction may be a left, bottom, right, top direction with respect to the top surface of the body 10 .

In addition, the washing machine 100 may obtain a change in inclination value of the main body 10 based on a change in the value sensed by the sensor 110 that detects the inclination ( S1820 ).

In this case, the washing machine 100 may obtain a first inclination change value corresponding to a change in inclination in the first diagonal direction of the main body 10 and a second inclination change value corresponding to a change in inclination in the second diagonal direction of the main body 10 . have.

In addition, the washing machine 100 may provide an adjustment guide for the plurality of legs 20 supporting the main body 10 based on the inclination change value ( S1830 ).

In this case, the washing machine 100 may provide an adjustment guide for the plurality of legs 20 when the inclination change value is equal to or greater than the threshold value.

Here, the plurality of legs 20 may include a first leg 21 positioned in a first diagonal direction and a second leg 22 positioned in a second diagonal direction.

The washing machine 100 provides an adjustment guide for the first leg 21 when the first inclination change value is greater than or equal to the threshold value, and provides an adjustment guide for the second leg 22 when the second inclination change value is greater than or equal to the threshold value. can provide

The washing machine 100 displays an adjustment guide for the leg 20 through the display 160 or transmits a signal to output the guide through the communication interface 140 such as the server 200 or the user terminal device 300 . It can be transmitted to an external device. The server 200 may transmit a signal for outputting the guide to the user terminal device 300 , and the user terminal device 300 may output the guide through an output interface such as a display or a speaker.

The inclination change value of the body can be quantitatively displayed through the adjustment guide, and it is provided so that it can be compared with the threshold value, so that the user can more intuitively control the horizontal state of the washing machine 100 and the degree of adjustment of the legs for horizontal adjustment. can guide judgment.

By displaying the guide UI through the user terminal device 300 , a more detailed guide may be provided compared to providing the guide through the display 160 built into the washing machine 100 itself.

The washing machine 100 may provide an adjustment guide to the user in various ways.

For example, the washing machine 100 may transmit a signal for providing the adjustment guide to the user terminal device 300 to provide the adjustment guide through the user terminal device 300 .

Also, the washing machine 100 may display the adjustment guide UI or output an adjustment guide message through the built-in display 160 or the speaker 170 .

Various embodiments of the present disclosure may be implemented as software including instructions stored in a machine-readable storage medium readable by a machine (eg, a computer). The device calls the stored instructions from the storage medium. and an electronic device (eg, the washing machine 100) according to the disclosed embodiments as a device capable of operating according to the called command. When the command is executed by the processor, the processor directly or the processor A function corresponding to the command may be performed using other components under the control of It may be provided in the form of a non-transitory storage medium, where 'non-transitory' means that the storage medium does not include a signal and is tangible, but data is stored in the storage medium semi-permanently or temporarily It does not distinguish stored.

The method according to various embodiments may be provided by being included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product may be distributed in the form of a machine-readable storage medium (eg, compact disc read only memory (CD-ROM)) or online through an application store (eg, Play Store™). In the case of online distribution, at least a part of the computer program product may be temporarily stored or temporarily generated in a storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

In the above, preferred embodiments of the present disclosure have been illustrated and described, but the present disclosure is not limited to the specific embodiments described above, and is commonly used in the technical field to which the disclosure belongs without departing from the gist of the present disclosure as claimed in the claims. Of course, various modifications may be made by those having the knowledge of

100: washing machine 10: body
21: first leg 22: second leg
110: sensor 120: processor
200: server 300: user terminal device

Claims (15)

in the washing machine,
main body;
a plurality of legs disposed on the bottom surface of the main body to support the main body;
a sensor for detecting the inclination of the body;
a communication interface for communicating with an external device; and
When a user command for horizontal diagnosis of the washing machine is input, the communication interface is controlled to transmit a signal for outputting a guide for shaking the main body in a preset direction to an external device, and the A processor for controlling the communication interface to obtain a change in inclination of the main body when a change in the sensed value with respect to the inclination is detected, and transmit the obtained change in inclination to an external device. According to claim 1,
The processor is
A first inclination change value corresponding to a change in inclination in the first diagonal direction of the main body and a second inclination change value corresponding to a change in inclination in a second diagonal direction are obtained, and the obtained first inclination change value and the second inclination change value are obtained. 2 A washing machine that controls the communication interface to transmit a slope change value to an external device. 3. The method of claim 2,
The plurality of legs,
A washing machine comprising a first leg positioned on the first diagonal direction and a second leg positioned on the second diagonal direction. in the server,
a communication interface for communicating with an external device; and
to generate an adjustment guide for the plurality of legs included in the washing machine based on the inclination change value received from the washing machine through the receiving device of the communication interface, and to transmit the adjustment guide for the plurality of legs to the user terminal device A server comprising a; a processor for controlling the transmission device of the communication interface. 5. The method of claim 4,
The processor is
When the gradient change value is greater than or equal to a threshold value, the server generates an adjustment guide for the plurality of legs. 5. The method of claim 4,
The processor is
receiving a first inclination change value corresponding to a change in inclination of the washing machine in a first diagonal direction and a second inclination change value corresponding to a change in inclination in a second diagonal direction of the washing machine through the receiving device;
If the first inclination change value is equal to or greater than the threshold value, an adjustment guide for the first leg positioned in the first diagonal direction is generated, and if the second inclination change value is greater than or equal to the threshold value, the second inclination change value positioned in the second diagonal direction Server, which generates adjustment guides for two legs. In the user terminal device,
a communication interface for communicating with an external device;
display; and
A processor for controlling the display to display the inclination change value of the washing machine received through the receiving device of the communication interface and adjustment guides for the plurality of legs included in the washing machine; 8. The method of claim 7,
The processor is
When a control signal corresponding to a user command for horizontal diagnosis of the washing machine is received through the receiving device, the user terminal device controls the display to display a guide for shaking the washing machine in a preset direction. 8. The method of claim 7,
The processor is
When an adjustment guide for the plurality of legs is received through the receiving device, the user terminal device controls the display to display an adjustment guide UI corresponding to the adjustment guide. 8. The method of claim 7,
speaker; further comprising,
The processor is
When an adjustment guide for the plurality of legs is received through the receiving device, the user terminal device controls the speaker to output an adjustment guide message corresponding to the adjustment guide. In the horizontal diagnosis method of a washing machine,
providing a guide for shaking the main body of the washing machine in a preset direction when a user command for horizontal diagnosis of the washing machine is input;
obtaining a change in inclination value of the main body based on a change in a value sensed by a sensor that detects inclination of the main body; and
and providing an adjustment guide for the plurality of legs supporting the main body based on the obtained inclination change value. 12. The method of claim 11,
Providing the adjustment guide comprises:
transmitting the gradient change value to a server through a communication interface of the washing machine;
generating an adjustment guide for the plurality of legs based on the inclination change value received through the receiving device of the server;
transmitting the adjustment guide to a user terminal device through a transmission device of the server; and
and displaying an adjustment guide UI corresponding to the adjustment guide received through a receiving device of the user terminal device on a display. 13. The method of claim 12,
The step of generating the adjustment guide comprises:
When the inclination change value is greater than or equal to a threshold value, generating an adjustment guide for the plurality of legs. 12. The method of claim 11,
The step of providing a guide for shaking the main body in a predetermined direction comprises:
providing a guide for each of the motions of shaking the main body in a first diagonal direction and a second diagonal direction,
The step of obtaining the gradient change value includes:
and acquiring a first inclination change value corresponding to a change in inclination of the main body in a first diagonal direction and a second inclination change value corresponding to a change in inclination in a second diagonal direction of the main body. 15. The method of claim 14,
The plurality of legs,
a first leg positioned on the first diagonal direction and a second leg positioned on the second diagonal direction;
Providing the adjustment guide comprises:
When the first inclination change value is greater than or equal to a threshold value, an adjustment guide for the first leg is provided, and when the second inclination change value is greater than or equal to a threshold value, an adjustment guide for the second leg is provided.

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