KR20020040455A - Washing machine and control method of the same - Google Patents

Abstract

PURPOSE: A washing machine and a method for controlling the washing machine are provided to increase convenience in use, a washing efficiency and an operation efficiency by downloading help information when new washing course or function is added according to a change of life pattern of a user or according to the user's demand. CONSTITUTION: A washing machine includes a load part(140), a key input part(100), a memory(160), a display(150), an interface(120) and a system micom(170). The load part has a motor, a water feed valve and a water discharge valve. The key input part allows a user to input various operation orders or set washer functions. The memory stores washer related information including new washing course and function. The display displays the washing functions, the washer operating condition and help information of new washing course or function. The interface exchanges data with an external device. The system micom controls the memory to store various washing information and help information transmitted from the external device through the interface, controls the display to display help information on the display according to the user's demand, and uploads the stored information to the external device.

Description

Washing machine and control method {Washing machine and control method of the same}

The present invention relates to a washing machine, and in particular, according to a change in a user's life pattern or a user's request, the user can download an additional guide according to a washing course or a function to increase convenience in use, improve washing performance, and improve operation efficiency. It relates to a washing machine and a control method thereof.

In general, a washing machine is a device that removes contaminants from contaminated laundry through washing, rinsing, and dehydration according to a predetermined algorithm, and is fully automatic using horizontal rotation of a rotary blade, outer tank, or inner tank (washing tank / dehydrating tank). A washing machine or a drum washing machine using vertical rotation of the drum can be broadly classified.

Such a washing machine has been developed for a variety of washing courses, functions, etc. in order to respond to a variety of needs of the user and applied to the actual product.

Hereinafter, a washing machine according to the prior art will be described with reference to the accompanying drawings.

1 is a block diagram schematically showing the configuration of a washing machine according to the prior art.

As shown in FIG. 1, the washing machine according to the related art has a key input unit 10 for a user to input various washing-related operation commands, and a motor 20 for directly or indirectly rotating a washing blade, an inner tub, or an outer tub. And other loads 30 such as a water supply valve and a drain valve, a display unit 40 for displaying an operation state or a function of a washing machine, and a user's operation command input through the key input unit 10. It comprises a system microcomputer 50 for controlling the driving of the motor 20 and the load 30 so that the washing operation is performed and for controlling the display unit 40 to display the operation state or function.

At this time, the display unit 40 is provided with a light emitting diode (LED) and a ROM (ROM) for storing a non-changeable laundry related program in the system microcomputer 50.

Referring to the operation of the washing machine according to the prior art configured as described above are as follows.

First, the user 'turns on' the washing machine and inputs laundry into the washing tank, and then inputs a washing command through the key input unit 10.

Subsequently, the system microcomputer 50 recognizes the washing instruction input through the key input unit 10, reads the washing program from the internal ROM, and drives the motor 20 and various loads 30 based on the washing instruction. Perform.

Then, the display unit 40 is controlled to display the current laundry progress state and the like.

Unlike conventional home appliances, such a conventional washing machine may not function properly due to incompatibility of a built-in program and various usage environments, even if a product itself is not broken, or a user may mistake a product and request a repair. In many cases, the serviceman repairing the product could not identify the cause of the product's failure.

First, looking at the incongruity of the built-in program and the use environment, there is no problem in the product itself, but the user is not satisfied with the washing performance, which is often the cause of the problem of water hardness.

In other words, the washing performance is greatly affected by the difference in hardness of the water (hard water / sweet water) .In order to improve the washing performance, it is necessary to change the control program such as the rotation angle of the washing blade and the washing time to match the program and the usage environment. The conventional washing machine cannot change a preset program.

In addition, the nature of the laundry changes according to the change of the family members of the user, for example, the newly married couple's laundry can perform standard washing, but when you have children, laundry such as diapers occurs, hygiene is very important Therefore, a program with enhanced rinsing performance should be applied, but the conventional washing machine cannot change the program.

As such, the conventional washing machine cannot change the program, and thus, the problem caused by the change of the living pattern cannot be solved.

Next, if the service environment is not a fault of the product itself is mistaken as a failure, but the serviceman does not find the cause, or because of this improper repairs,

In the dehydration stroke, the washing tank does not rotate or rotates at low speed, so dehydration may not proceed. This may be caused by an abnormality in the motor itself, but due to the excessive tension of the detergent caused by the excessive tension of the washing tank. The rotation of the motor is constrained and the motor may be damaged by the overload. In this case, however, the serviceman cannot grasp the cause of the failure, and it is difficult to prepare a countermeasure.

In addition, if the water supply time for washing is prolonged due to problems such as water pressure, installation location (high / low land), and water supply method of the washing machine installed, the user may recognize that there is a problem with the water supply and notify the manufacturer of the malfunction. do. In this case, the serviceman checks the water supply valve. If the water supply valve does not have any problem, the serviceman cannot determine the cause of the failure.

In the above case, if the serviceman can know the usage history, failure history, etc. of the washing machine in detail, the service person can infer and interpret the usage environment that is recognized as a failure or failure of the product and parts, and can take the optimal measures. Since it is impossible to grasp the product's operation status, usage history, failure history, etc., it is unable to identify the above-mentioned causes and therefore cannot cope properly.

As described above, the washing machine according to the related art has the following problems.

First, since the operation state of the product, the history of use, failure history, etc. can not be stored, when replacing the parts without identifying the above-mentioned causes when repairing the product, that is, the hardware does not prevent the same problem from occurring.

Second, since the laundry program that can not be changed is applied to the low-capacity storage unit, problems due to installation, regional characteristics, changes in living patterns, etc., which are not abnormalities of the above-described products themselves, cannot be solved.

Third, there is no function to add a new course or a new function, and when you add a new course or a function, it cannot be presented, which causes deterioration of washing performance due to user's carelessness.

The present invention has been made to solve this problem, washing machine and its control to replace or change the pre-stored program with the appropriate program according to the use environment of the washing machine, the change of household members, the change in the pattern of flowers, the change of seasons, etc. The purpose is to provide a method.

It is another object of the present invention to provide a washing machine and a control method thereof to grasp the usage history of the washing machine, the usage history of each accessory device of the washing machine, etc. to identify the root cause of the failure and to completely solve the failure.

Still another object of the present invention is to download a new course or function corresponding to the user's request, and additionally download and display the corresponding help on the screen so that the user can maintain the optimal washing performance with reference thereto. To provide a method.

1 is a block diagram showing a schematic configuration of a washing machine according to the prior art

2 is a block diagram showing the configuration of a washing machine according to the present invention.

3 is a flowchart illustrating a control method of a washing machine according to the present invention.

Explanation of symbols for main parts of the drawings

100: key input unit 110: PC

120: interface 130: motor

140: load 150: display unit (LCD)

160: storage unit 170: system microcomputer

Washing machine according to the present invention for achieving the above object is a load unit including a motor and a water supply valve and a drain valve for driving the washing machine inner tank, outer tank or washing blades, the user inputs various operation commands or set the washing machine function And a storage unit for storing information related to the washing machine, including a key input unit for reading and writing, a washing machine operation algorithm, a washing machine operation history, and a new washing course or a function guide. Display unit for displaying help according to additional courses or functions, an interface unit for exchanging data with an external device, and various washing information transmitted from the external device through the interface unit according to a user's request through the key input unit And control so that the help is stored in the storage unit. According to the controls such that the article is displayed on the display unit, is composed by the information stored in the storage unit includes a system microcomputer for loads up to an external unit has its features.

Washing machine control method for achieving the above object is a storage unit, the control method of the washing machine equipped with a liquid crystal display (LCD), when the user selects a new washing course or a function addition menu, the washing course or function through an external connection And downloading the washing course or function, if the corresponding washing course or function is downloaded, and downloading the additional help, and storing the downloaded help in the storage unit or at the user's request. Therefore, there is a feature comprising the step of displaying on the liquid crystal display (LCD).

Hereinafter, a washing machine and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram showing a configuration of a washing machine according to the present invention, Figure 3 is a flowchart showing a control method of the washing machine according to the present invention.

As shown in FIG. 2, the washing machine according to the present invention includes a key input unit 100 for the user to input various operation commands or setting the washing machine function, and a motor 130 for driving the washing machine inner tub, outer tub or washing vane. And a load 140 including a water supply valve and a drain valve, and capable of reading / writing and storing the washing machine-related information including a washing machine operation algorithm, a washing machine usage history, and a new washing course or a function guide. The unit 160, the display unit 150 for displaying the washing machine function, the washing machine operating state and additional courses or functions, the interface unit 120 for exchanging data with the PC 110, and the key input unit According to a user's request through the control unit 100, various washing information and tips transmitted from the PC 110 through the interface unit 120 are controlled to be stored in the storage unit 160. The system may be configured to control the help to be displayed on the display unit 150 according to a user's request, and to upload the information stored in the storage unit 160 to the PC 110. .

In this case, the display unit 150 is composed of a liquid crystal display (LCD), and displays various information transmitted through the interface unit 120 and information stored in the storage unit 160 so that a user can recognize it. .

In addition, the storage unit 160 is used in that the capacity is significantly increased compared to the conventional ROM (ROM), for example, having a capacity of about 4M (Mega) bits can be used.

Referring to the operation of the washing machine configured as described above is as follows.

First, the user 'turns on' the power of the washing machine, puts laundry into the washing tank, and then inputs a washing command through the key input unit 100.

Subsequently, the system microcomputer 170 recognizes the washing instruction, reads the washing program from the storage unit 160, and generates a driving signal for driving the motor 130 and the various loads 140 according to the washing program read. send.

Therefore, the motor 130 and the load 140 are driven according to the drive signal transmitted from the system microcomputer 170 to perform washing.

In addition, when the user wants to add a new course or function during the laundry administration, the user accesses the Internet through the PC 110 and downloads a new course or function desired by the user through the interface 120.

Subsequently, when a user wants to download the help for the new course or function, the user additionally downloads the help corresponding to the course or function from the PC 110 through the interface 120 and stores the help in the storage unit 160. .

In addition, when a user wants to refer to a help about a newly downloaded course or function, when a user selects a help corresponding to the course or function, the user stores the help stored in the storage unit 160 and displays the help on the display unit 150. .

Then, when the user wants to proceed with the washing administration according to a new course or function with reference to the help displayed on the display unit 150, the washing administration can be performed more accurately.

In addition, the system microcomputer 170 controls the display unit 150 to display a current washing progress state and the like.

On the other hand, the system microcomputer 170 stores the laundry administration information selected by the user in the storage unit 160, and the data about the administrations that the user re-executed not satisfied with the current laundry administration result is also stored in the storage unit 160. To save on.

In addition, the system microcomputer 170 reads data stored in the storage unit 160 at regular intervals or reads when a failure occurs and directly uploads the data to the PC 110 connected through the interface unit 120.

Therefore, the serviceman of the product company side monitors the uploaded data through the PC 110 and uses the associated program stored in the PC 110 to identify the cause of the product failure and to repair the product, or The user can be guided to a suitable washing course. And the information uploaded from the washing machine can be used as information necessary for future product production.

As described above, the present invention adopts a high-capacity storage unit 160 so that the program can be changed, unlike the existing one, so that a user can download a laundry administration-related program suitable for the user based on the data uploaded from the user side or set a predetermined program. You can change the program, add new courses or features you want, and download and display additional help.

For example, if a highly concentrated washing course is circulated in which a low volume of water is circulated by a pump and then the circulated water is sprayed through the nozzle to wash the clothes, a user may download additional tips for the highly concentrated washing course. As a result, a more accurate washing stroke can be achieved.

The control method of the washing machine according to the present invention configured as described above will be described with reference to FIG. 3.

In the control method of the washing machine according to the present invention, referring to FIG. 3, first, it is determined whether the user wishes to add a new course or function (S10).

Subsequently, when the determination result (S10), the user wants to add a new course or function, the user accesses the Internet and downloads the corresponding course or function (S20 to S30).

And further download the help of the downloaded course or function (S40).

When the user selects the downloaded help as described above, the corresponding help is displayed on the display unit LCD (S50 to S60).

As described above, the washing machine and its control method according to the present invention are configured to additionally download the help corresponding to the new course or function and display it on the screen when a new course or function is added.

As described above, the washing machine and its control method according to the present invention have the following effects.

First, when a new course or function is added, additionally download the help corresponding to the course or function and display it through the display unit according to the user's request so that the user can proceed with a more accurate washing administration with reference to this.

Second, you can improve the washing performance because you can proceed to the correct washing administration by referring to the help when adding a new course or function.

Third, since the washing performance can be improved, user satisfaction with the product can be improved.

Claims (4)

A load unit including a motor and a water supply valve and a drain valve for driving a washing machine inner tank, an outer tank, or a washing vane; A key input unit for a user to input various operation commands or to set a washing machine function; Read / write storage unit for storing the washing machine-related information, including washing machine operation algorithm, washing machine history and new washing course or function help, Display unit for displaying the function according to the washing machine function, washing machine operation status and additional courses or functions, Interface unit for data exchange with external device, According to a user's request through the key input unit, various laundry information and tips transmitted from the external device through the interface unit are stored in the storage unit, and the help is displayed on the display unit according to the user's request. And a system micom for uploading the information stored in the storage to the external device. The method of claim 1, The display unit is a washing machine, characterized in that the liquid crystal display (LCD). In the control method of the washing machine equipped with a storage unit, a liquid crystal display (LCD), When the user selects a new washing course or a function adding menu, downloading the washing course or function through an external connection; If the corresponding washing course or function is downloaded, additionally downloading the help for explaining the downloaded washing course or function according to a user's request; And, And storing the downloaded help in the storage unit and displaying the downloaded help on the liquid crystal display (LCD) according to a user's request. The method of claim 3, wherein The step of downloading the washing course or function The control method of the washing machine characterized in that the step of downloading the washing course or the function via an external Internet connection according to the user's request.