KR20000039242A - Method for memorizing a key input of a washing machine - Google Patents

Abstract

PURPOSE: A method for memorizing a key input of a washing machine is provided to facilitate the discovering of the breakdown of a washing machine by recording the order of the key manipulation of the washing machine. CONSTITUTION: A series of key inputs are stored in a microcomputer sequentially. The stored key input data can be called when needed. The key input storing process comprises the steps of connecting the power source of a washing machine and initializing(S10), detecting the input of the operation key(S11), detecting the first function key input(S13), detecting other function key inputs(S15,S10n).

Description

How to remember the keystrokes of the washing machine

The present invention relates to a key input storage method of a washing machine, which sequentially stores key inputs for operating a washing machine for diagnosing and repairing a failure element of a washing machine.

In general, the washing machine may be used in a fully automatic washing mode in which washing is performed according to a washing condition programmed by a manufacturer statistically, or the user may arbitrarily set various times related to washing, setting the number of repetitions, and other conditions. A manual selection mode of setting and washing may be used.

Regardless of which mode is used, a user's key input is necessary for the operation of the washing machine. And such key input is made to be able to operate normally only through predetermined prescribed steps.

Looking at the conventional technology for controlling the key input step of the washing machine as described above is made as shown in FIG.

When the washing machine is powered on and initialized, it is controlled by the step S4 of immediately detecting the input of the operation key operated in the fully automatic mode (S1) or by the user performing the administrative key input for setting a new condition for each stroke. It is controlled by the step (S2) of detecting and the step (S3) of displaying the progress to the corresponding LED display device in each of the administration step.

In the S2 control step, for example, a user selects and inputs a condition such as a washing time of 5 minutes, a rinsing frequency of 2 times, and a dehydration time of 3 minutes for manual selection. The change of the selection is mainly used when the user wishes to operate the washing machine by setting the washing, rinsing, and dehydration to be continuously performed by the user, or by selectively setting any one or two of the above three processes.

This change in selection is displayed to the user through the LED display panel.

As the operation of all the modes are in progress, the LED indicating the corresponding stroke is also displayed while changing following.

According to the conventional key input process of the washing machine, when an error occurs due to a certain cause, when a failure or defect occurs due to a momentary abnormal error that is not a normal error, a maintenance agent causes the cause of the defect. There is a problem that is not easy to track.

Due to the difficulty of accurate diagnosis of the cause of the failure, repair or excessive repairs can be made, and if the repair factors occur again due to inaccurate repairs, the user's dissatisfaction increases and the product and manufacturer Problems can occur that can damage the image.

For example, a key problem in the above-described problem is that there is a lack of preparation in the case of a fault or a bad element in which an accurate diagnosis is vague rather than a fault element that can be identified.

The present invention has been made to solve the problems of the prior art as described above has the following object.

The present invention provides a key input storage method of a washing machine configured to easily store key operations of a washing machine in the microcomputer from the initial stage to the final stage, so that it is easy to diagnose a cause of a defect or an error occurring during the washing machine operation process. Is to provide.

The present invention is to provide a method for storing a key input of a washing machine which enables accurate identification of the cause of failure by storing the key input sequence, thereby preventing excessive parts replacement and reducing maintenance requirements.

With the above-mentioned objectives, the reliability of the service is improved, service response time is reduced, and it is possible to build on-site adaptation data of products that can be applied for future product development, and can be applied to new product development. To have.

The present invention is made to achieve the above object in the washing machine to sequentially store a series of key input from the initial state instructing the operation of the washing machine to the step of driving the washing machine by pressing the operation key in the microcomputer and stored the key as needed By being able to call input data.

1 is a control flowchart according to a key input of a washing machine according to the related art.

2 is a control flowchart showing a storage method according to key input of a washing machine according to the present invention;

3 is a control flowchart showing a control step of a maintenance mode for repairing a washing machine in which the present invention is implemented.

Hereinafter, with reference to the accompanying drawings will be described with respect to the specific technical spirit of the present invention.

As shown in FIG. 2, in the key input storage method of the washing machine of the present invention, when the washing machine power is connected, all functions of the washing machine are initialized (S10).

Thereafter, the user can input a key input, i.e., set a washing mode, pre-set detailed conditions in each stroke, or selectively enter a full course automatic washing mode using a washing machine's unique function. do.

Detecting the input of the operation key (operation / pause key of the washing machine) after the initialization (S11), detecting the primary function key input (S13), from the primary function key input step to secondary, Detecting the third order nth function key input (S15, S10n) and recording information corresponding to the key input to the microcomputer at every key input step (S12, S14, S16, S11n) ), And a method of performing a function of a corresponding key input (S20) and a washing machine operation step (S30).

Input from the primary function key to the secondary, tertiary ... n-th function key can be made in a variety of input of the function key corresponding to the ranking has not been specifically described, The first, second, third, and nth order keys may be understood as referring to a step of inputting a water level control key, a washing time, a rinsing frequency and time, a dehydration time, and the like.

According to the present invention having the technical idea as described above, a user selects a washing course of a required function by pressing various function keys to use a washing machine, and then drives the washing machine by pressing an operation / pause key.

At this time, the input of the various keys are immediately input to the microcomputer (not shown) and stored in the input order after the power is connected.

As described above, the various key input processes according to the operation of the washing machine are recorded and stored in the microcomputer as it is, and a maintenance request will be made when a failure or poor control is performed during washing machine operation.

At this time, when the maintenance person of the washing machine manufacturer visits for maintenance, it is difficult to reproduce when checking the failure state and the elements of the washing machine, or when the operation state of the washing machine recorded in the microcomputer is more objective. This function is to check the failure factor.

This check process is shown by pressing the specific service key (for example, pressing the washing key and the water temperature key at the same time) for maintenance as shown in Figure 3, the first state before the user uses the washing machine is displayed.

After that, according to the number of times the operation key is pressed, the sequence of keys entered by the user is stored in the microcomputer and displayed sequentially. This allows the maintenance personnel to identify the operation sequence of the user and to accurately find the faulty factors by referring to the operation problems. Diagnosis is performed to enable troubleshooting.

As described above, trouble repair requests that are difficult to reproduce in a washing machine correspond to about 20% of the total number of repair requests. Closures can be prevented that result in unsuccessful closures and excessive repairs to areas that need not be repaired, or repairs that make up the wrong part.

According to the present invention as described in detail above, when recording the key operation sequence of the washing machine in the microcomputer, when the washing machine breaks down and requests maintenance, the washing machine operation process of the user can be confirmed at a glance. It is easy to find the elements, and accurate maintenance is possible to solve the user's dissatisfaction.

In addition, according to the present invention, it is possible to accumulate as a data what type of washing machine is mainly used in each user environment, and what kind of failure is mainstream, and thus it is a very excellent invention that can be utilized as important data for research and development of new products in the future.

Claims (3)

In the fully automatic washing machine which can select a certain course and set an arbitrary course and time, Washing machine characterized in that the sequence of key input from the initial state to command the operation of the washing machine to the step of operating the washing machine by pressing the operation key is sequentially stored in the microcomputer and the stored key input data can be called as necessary. How to remember keystrokes. The method of claim 1, The key input memory step may include at least a power supply of a washing machine connected to and initialized (S10); Detecting the input of the operation key (operation / pause key of the washing machine) after the initialization (S11), detecting the primary function key input (S13), from the primary function key input step to secondary, Each key input step as steps (S15, S10n) for detecting the third order n-th function key input; And recording (S12, S14, S16, S11n) information corresponding to key input in the microcomputer at every key input step. The method of claim 2, And a key input sequence data recorded in the microcomputer is read and displayed sequentially by a specific key.