KR20040006215A - Device to Indicate a number of times to use Washing Machine and its Method - Google Patents

Abstract

PURPOSE: A use number display device of a washing machine and a method thereof are provided to cut down manufacturing cost of LEDs(Light Emitting Diodes) in the display unit by displaying many ciphers of accumulated numbers with sorting. CONSTITUTION: A frequency display device of use of a washing machine is composed of a calculating unit counting the frequency of use in operating the washing machine; a control unit sorting the frequency of use from the calculating unit per unit; a key input unit(900) having plural keys inputting the command for displaying the frequency of use sorted by the control unit; and a display unit(600) displaying the frequency of use according to the command by operating the key input unit. The frequency display device starts the test mode for checking the frequency of use, commands the display of frequency and displays the frequency of use.

Description

Device to Indicate a number of times to use Washing Machine and its Method

The present invention relates to an apparatus and method for displaying the number of times of use of a washing machine, and more particularly, to a frequency and apparatus for displaying a number of times of use of a washing machine for dividing the number of times of use of each unit by classifying the number of times of use. .

FIG. 1 is a perspective view illustrating an appearance of a general washing machine, and FIG. 2 is a view illustrating a key input unit of a washing machine including a usage count display device according to the related art.

In general, a washing machine is a household appliance that washes laundry by rotating a washing tank in which a washing tank 2 is installed in a cabinet 1 forming an exterior of a washing machine. The upper appearance of the washing machine is related to washing by a user. There is a key input unit 9 for inputting a command. As shown in FIG. 2, the key input unit 90 includes a plurality of input keys 10 to 60, power-related keys 70 and 80, and laundry. It consists of the display part 60 which displays the time required of an administration and the related numerical value.

In addition, the washing machine further includes an operation unit and a controller (not shown) which are located inside to control a command input to the key input unit 90 regarding the overall washing machine stroke and calculate a time required to perform a washing operation. do.

In addition, the operation unit accumulates the number of times the user used the washing machine to perform an addition operation so that the number of times of use is stored in a storage unit (not shown) so that the manager in charge of after-sales service of the washing machine is provided with a warranty period. In consideration of the number of times of use of the washing machine is used to determine the degree of actual washing machine used.

Therefore, the supervisor makes a request (SVC) to receive the control right about the washing machine from the control unit, and the control unit enters a test mode in which the manager can control the management program. The manager inputs a command to output the number of times of use in the test mode.

However, since the accumulated number of times of use of the washing machine has a larger value as the washing machine has been used for a long time, the key input unit 90 of the conventional washing machine has an LED display unit 60 displaying six digits from one digit to 100,000 digits to display the number of times of use. ). When the display unit 60 outputs a time related to a general washing administration, the range does not exceed two digits (0 to 99) minutes, so that the four digits except when the manager checks the number of times of use in the test mode. There is a disadvantage in that the LED display unit corresponding to the display unit is not used and the cost for producing the display unit is increased.

The present invention has been made to solve the above problems of the prior art, the object of the present invention is to classify the display of the number of times of use of the washing machine in a certain unit in accordance with the general use of the display unit for displaying the washing time required Accordingly, to reduce the production and process cost of the display unit for expressing the number of times of use of a large value, and to increase the use efficiency of the display unit.

1 is a perspective view showing the appearance of a general washing machine;

FIG. 2 is a view illustrating a key input unit of a washing machine including a use frequency display device according to the related art; FIG.

3 is a view showing a key input unit of a washing machine including a use frequency display apparatus according to the present invention;

4 is an enlarged view showing the use frequency display device of the present invention;

5 is a flowchart illustrating a method of operating the frequency display of the present invention.

<Explanation of symbols on main parts of the drawings>

1: cabinet 2: washing tank

9,90: key input unit 30,300: selection key

40,400: Kosuki 50,500: Reservation key

60,600: display unit

According to a feature of the washing machine according to the present invention for solving the above problems, an operation unit for counting the number of times of use each time the washing machine, a controller for classifying the number of times of use counted by the calculation unit by a predetermined unit, and classified by the controller A first feature comprising a key input section comprising a plurality of keys such that a command is inputted to display the number of usages, and a display portion on which the number of usages is displayed in accordance with a command input by an operation of the key input section;

The second feature includes a first step of entering a test mode to confirm the number of times of use of the washing machine, a second step of instructing display of the number of times of use, and a third step of displaying the number of times of use.

In addition, the number of times of use of the washing machine of the present invention is counted by a calculation unit installed in the washing machine and stored in a storage unit. The storage unit is composed of an electrically erasable and programmable ROM (EEPROM). This pyrom is a fixed memory element capable of writing or erasing information electrically. The data can be stored and erased, thereby facilitating data management.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a view showing a key input unit of a washing machine including a use frequency display apparatus according to the present invention, FIG. 4 is an enlarged view of the use frequency display apparatus of the present invention, and FIG. 5 is a use frequency of the present invention. Is a flowchart illustrating an operation method of displaying.

The key input unit 900 of FIG. 3 is similar to the structure of a conventional key input unit as shown in FIG. 2, but the area occupied by the display unit 600 is displayed by the use frequency display unit 600 of the present invention displaying two digits. By reducing this to 1/3, the configuration of the key input unit 900 is simplified.

A manager enters an SVC, that is, a test mode for management, in order to check the number of times of use of the washing machine stored in the pyramid. At this time, the manager operates an entry key for entering the test mode to the controller of the washing machine. As the SVC, the entry key is preset during the production process by the manufacturer of the washing machine. In the present exemplary embodiment, when the selection key 300 and the reservation key 500 are pressed simultaneously, and the power supply 700 is turned on, a command for requesting entry of the test mode is input.

After entering the test mode, the manager is configured to display each digit of the numerical value representing the number of times of use in order to check the accumulated number of times of use of the washing machine.

Thus, a first command key for commanding the display of ones and tens digits, a second command key for commanding the display of hundreds and thousands of digits, and a third command for requesting the display of tens and tens of digits In this embodiment, the first and third command keys are replaced with three different keys, and the first and third command keys are replaced with one key. And a second embodiment in which the key is replaced according to the number of times the key is pressed.

As shown in FIG. 4, the different selection keys 300, the coskey 400, and the reservation key 500 are preset as the first command key, the second command key, and the third command key, respectively, according to the first embodiment. As the selection key 300 is pressed, numerical values of one digit and ten digits are displayed on the display unit 600, and the white and digits of the thousand positions are displayed on the display unit 600 by pressing the coskey 400. The numerical value is displayed, and the numerical value of ten thousand digits and ten thousand digits is displayed on the display unit 600 as the reservation key 500 is pressed.

According to the second embodiment, pressing the reservation key 500 once is recognized as the first command key, and numerical values of one digit and ten digits are displayed on the display unit 600, and pressing the reservation key 500 twice Recognized as a second command key, the number of hundreds of digits and thousands of digits is displayed on the display unit 600, and when the reservation key 500 is pressed three times, it is recognized as a third command key to display the digits of ten thousand and ten thousand on the display unit 600 The number of digits is displayed.

Through the first embodiment or the second embodiment, the manager divides the two digits so that the number of times of use of the washing machine is displayed on the display unit 600, thereby reducing the production cost of the LED liquid crystal for displaying the total digits. The display of the extended digits is very easy by additionally setting a fourth command key for displaying numerical values of one million digits and ten million digits to display not only 999999 usages but also hundreds of thousands of digits.

5 is a flowchart illustrating a method of operating the display of the number of times of use of the present invention. In the first step, the selected washing, rinsing, and dehydration processes are performed (S1).

In the second step, after the stroke is completed (S2) and before the power is turned off, one use count is added (S3) and stored in the EEPROM in which the accumulated use count is stored.

In the third step, the manager enters the SVC, that is, the test mode (S4) by operating a test mode entry key preset by the manufacturer according to the product of the washing machine in order to check the number of times of use of the washing machine.

In the fourth step, the first command key to the third command key are operated to display (S5, S6, S7) by dividing two digits from one digit to 100,000 digits.

In the fifth step, as the usage frequency is divided into two digits and displayed on the display unit (S8), the manager may check the accumulated usage frequency.

The display apparatus and method of the washing machine use frequency of the present invention configured as described above are classified into a predetermined unit to display the washing machine use frequency and displayed on the display unit to produce and process the LED liquid crystal display unit for expressing a large value. Reduce cost In addition, by additionally setting the command key to display an extended two-digit number to display a large value as the number of uses increases, it is easy to expand the large value display without an LED display that displays an additional extended digit. .

Claims (8)

A calculation unit for counting the number of times of use each time the washing machine is used; A controller which classifies the number of times of use counted by the operation unit by a predetermined unit; A key input unit comprising a plurality of keys such that a command is inputted to display the number of times of use classified by the control unit; And a display unit for displaying the number of times of use according to a command inputted by an operation of the key input unit. The method of claim 1, When the predetermined key is operated through the key input unit, the washing machine is configured to enter a test mode, and the number of the predetermined number of times of use is displayed according to the key input of the key input unit made after the washing machine enters the test mode. Display the number of uses of the washing machine characterized in that it becomes. The method of claim 1, The number of times of use counted by the operation unit is displayed on the number of times of use of the washing machine, characterized in that stored in the easy to enter and remove data (EEPROM). The method of claim 1, The display unit is configured to display a two-digit numerical value, so that the control unit is used to display the number of times of use of the washing machine, characterized in that it is set to classify the number of times of use. The method of claim 1, A plurality of different keys of the key input unit are linked with numerical values classified by two units by the control unit, respectively, and the number of use of the corresponding digit is displayed on the display unit as the key is operated. Device. The method of claim 1, The number of times of use of the washing machine, characterized in that the specific key of the key input unit is interlocked with the numerical value divided into two digits by the control unit, and the number of use of the corresponding digit is displayed on the display unit according to the number of times of pressing the specific key. . A first step of entering a test mode to check the frequency of use of the washing machine; A second step of instructing display of the number of times of use; Method for displaying the number of uses of the washing machine, characterized in that the third step of displaying the number of times of use. The method of claim 7, wherein The second step includes a first step of inputting a command to display the least significant two digits of the classified number of uses; A second step of inputting a command to display the displayed two digits consecutive to the upper two digits; Method for displaying the number of uses of the washing machine, characterized in that further comprising a third process in which the second process is repeated.