JP3103235B2 - Washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine for indicating the type of detergent to be used and its required amount.

[0002]

2. Description of the Related Art In recent years, washing machines have been provided which indicate the type of detergent to be used and its required amount. In this case, as shown in FIG. 6, the operation panel 1 is provided with a key switch 2 functioning as a detergent type input unit, and separately provided with a laundry amount detection unit for detecting the laundry amount. Type input,
From the detection result of the laundry amount, the type of detergent to be used is indicated by the light emission of each of the light emitting diodes 3 to 5, and a cup for preventing the required amount from being mistaken with the time display in the display window 6 different from the one. Are displayed by the symbol mark 7 and the number of cups 8.

[0003]

In the case of the above, the light emitting diodes 3 to 5 for indicating the type of the detergent are required separately from the display device for indicating the required amount of the detergent, resulting in an increase in cost. Had. Further, the light emitting diodes 3 to 5 are separated from the display device for displaying the required amount of the detergent, and there is also a problem that the type of the detergent cannot be determined just by looking at the detergent amount display portion.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and accordingly, it is an object of the present invention to display the type and required amount of a detergent to be used with an inexpensive configuration, and to see a detergent amount display portion. It is an object of the present invention to provide a washing machine that can identify the type of detergent alone.

[0005]

In order to achieve the above object, in the washing machine of the present invention, the type of detergent is indicated by a symbol of a cup having a different shape for each type, and the required amount is indicated by the number of cups. A display device for displaying on a display window is provided.

In this case, it is preferable that the display device displays the cup symbol mark with a seven-segment numeric display element.

[0007]

According to the above means, the type of detergent can be known from the symbol of the cup displayed on the common display window, and the required amount of detergent can be known from the number of cups.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. First, FIG. 3 shows an outer box 11 of the entire washing machine, in which an outer tub 12 for storing water is elastically supported by a plurality of (only one is shown) hanging bar mechanisms 13 and arranged. . Inside the outer tub 12, a porous inner tub 14 which is both a washing tub and a dehydrating tub is provided, and a stirring body 15 for washing is provided at the bottom of the inner tub 14.

On the other hand, the outer tank 12
A drain valve 16 and a drain hose 17 for draining water from the inside (inside the inner tub 14) are provided, and a drive mechanism 19 mainly including a motor 18 is provided. The stirrer 15 is rotated by stopping the inner tub 14 at the time of detecting the amount of goods and at the time of washing, and the inner tub 14 is rotated together with the stirrer 15 at the time of dehydration. The motor 18 of the drive mechanism 19 is provided with a rotation speed sensor 20 for detecting the rotation speed of the motor 18.

Further, a top cover 21 is provided on the outer case 11, and a top cover 21 is provided on the front upper surface of the top cover 21 as shown in FIG.
The operation panel 22 shown in FIG. This operation panel 2
2 includes a key switch 23 for manually setting a water level at the time of washing, and a light emitting diode 2 for displaying the set water level.
4 to 26, and a key switch 28 functioning as a detergent type input means for inputting the type of detergent to be used, and the type and required amount of the detergent are displayed on a common display window 29. A display device 30 is present. The display device 30 displays the type of detergent for each type of “compact”, “standard”, and “liquid” shown in FIG.
The symbol mark 31 of a cup having a different shape is displayed, and the required amount is indicated by the number of cups 32 next to the cup, and the symbol mark 31 of the cup is displayed by a numeric display element having a 7-segment configuration similarly to the number of cups 32. Like that.

FIG. 4 shows the inside of the front part of the top cover 21.
The microcomputer 33 shown in FIG. Various operation signals are input to the microcomputer 33 from a switch input unit 34 including various operation switches including the water level setting key switch 23 and the detergent type input key switch 28 of the operation panel 22. In addition, a water level detection signal is input from a water level sensor 35 for detecting the water level in the outer tub 12, and a rotation speed detection signal is input from the rotation speed sensor 20.

The microcomputer 33 operates the light emitting diode 2 of the operation panel 22 on the basis of each input and a control program stored in advance.
4 to 26 and a display unit 36 including various display devices including the display device 30, a water supply valve 37 for supplying water to the inner tank 14 (in the outer tank 12), a motor 18 of the drive mechanism 19, and a drain valve. A drive control signal is supplied to a drive circuit 38 for driving the drive circuit 16.

The operation based on the function of the microcomputer 33 will be described below. As shown in FIG. 5, the microcomputer 33 performs an initial setting at the beginning of the operation when the necessary power is supplied and the operation is started (step S1). Next, it is determined whether or not an input from the start switch has been made (Step S).
2) While it is determined that there is no input, it is determined whether or not an input has been made by the detergent type input key switch 28 (step S3).

If it is determined that there is no input from the detergent type input key switch 28, a standard type of detergent (in this case, for example, "compact") is displayed on the display device 30 by the cup symbol mark 31. (Step S
4) Return to step S2. If it is determined that an input has been made by the detergent type input key switch 28, the setting of the detergent type is changed in accordance with the input (step S5), and the display of the detergent type is displayed on the display device 30. After the change (Step S6), the process returns to Step S2.

If it is determined in step S2 that an input from the start switch has been made, the amount of laundry is detected (step S7). The detection of the amount of laundry is performed by the driving mechanism 1.
9 is performed by detecting the rotation speed of the motor 18 when the stirrer 15 is rotated by energizing the motor 18 for a predetermined time by the rotation speed sensor 20. As the laundry amount increases, the load amount of the motor 18 increases. since the rotation speed is reduced so it can test knowledge of laundry volume by detecting the rotational speed.

[0016] Next, the setting of the wash water level to suit the examiner knowledge laundry volume (step S8), and thereby the display of the suits amount of detergent to the set water level and the set water level in the display device 30 (step S9). In this case, the display device 30 displays the amount according to the set detergent type by the number of cups 32 as described above next to the portion where the detergent type is displayed. FIG. 2 shows the amount of detergent corresponding to each of the "high", "medium", and "low" levels, and one of these is displayed.

Thereafter, it is determined whether or not an input has been made by the detergent type input key switch 28 (step S1).
0), if it is determined that it has not been performed, a washing operation starting from the water supply to the set water level by the water supply valve 37 is performed (step S11). If it is determined that there is, the type of detergent corresponding to the input and The display of the necessary amount is changed (step S12), and the process proceeds to step S11. The detergent may be added after the washing operation is started.

As described above, according to the present configuration, the display device 3
0 indicates the type of the detergent by the cup symbol mark 31 displayed on the common display window 29, and the required amount of the detergent can be known by the number of cups 32. A light emitting diode indicating the type of detergent is not required, and the cost can be reduced. Further, since the type and the required amount of the detergent can be known only by looking at the display device 30, the fear of erroneous input can be eliminated.

Further, in the display device 30, the symbol mark 31 of the cup is displayed by a seven-segment numeral display element, so that the detergent type can be displayed by using the existing display element. Further, the cost can be reduced.

[0020]

The present invention is as described above.
The following effects are obtained. In the washing machine according to the first aspect, the type of the detergent to be used and the required amount thereof are displayed based on the detergent type according to the input by the detergent type input unit and the detection result of the laundry amount by the laundry amount detection unit. The type of detergent used is provided with a display device that displays the type of detergent with the symbol of a cup of a different shape for each type and the required amount in the number of cups in a common display window. And the required amount thereof can be displayed with an inexpensive configuration, and the type of the detergent can be identified just by looking at the detergent amount display portion, so that there is no fear of erroneous input of the detergent.

In the washing machine according to the second aspect, the display device displays the symbol mark of the cup with a seven-segment numeral display element, so that the detergent type can be displayed using the existing display element. Cost can be further reduced.

[Brief description of the drawings]

FIG. 1 is a plan view of a main part showing an embodiment of the present invention.

FIG. 2 is a diagram showing an example of display of types and required amounts of detergents.

FIG. 3 is an overall cutaway side view.

FIG. 4 is a schematic electrical configuration diagram.

FIG. 5 is a flowchart for explaining the operation.

FIG. 6 is a diagram corresponding to FIG. 1 showing a conventional example.

[Explanation of symbols]

28 is a key switch (detergent type input means), 29 is a display window, 30 is a display device, 31 is a symbol of a cup,
32 indicates the number of cups, and 33 indicates a microcomputer.

Claims (2)

(57) [Claims] 1. A washing operation according to an input by a detergent type input means.
The type of detergent to be used and the required amount thereof are displayed based on the type of detergent and the result of detection of the amount of laundry by the laundry amount detection means.
A washing machine comprising a display device for displaying a required amount by a symbol number of a cup having a different shape in the number of cups on a common display window. 2. The display device displays a symbol of a cup as a symbol.
The washing machine according to claim 1, wherein the number is displayed by a number display element having a segment configuration.