JPH02234790A - Operation method for coin type washing machine - Google Patents

Abstract

PURPOSE:To provide enough washing performance by a washing drum by a method wherein when, during execution of washing by a washing drum, an unbalance occurs to rotation of the washing drum, the unbalance is detected by a microcomputer, and the washing process of the washing drum different from normal one is progressed. CONSTITUTION:Movement of the washing course of a washing drum 25 is such that the washing drum 25 is rotated to spread water in a state that a feed valve 29 and a drainage valve 30 are simultaneously opened and the interior of the washing drum 25 is washed. In this case, when the laundry is charged in the washing drum 25, water is not spread in the washing drum 25, and the interior of the washing drum 25 can not be washed. In which case, an unbalance occurs to rotation of the washing drum 25 due to the water-contained laundry, a water receiving drum 24 is also vibrated outwardly, and is brought into contact with a detection switch 32. This contact causes detection of the unbalance of rotation. Through the working of a control unit 23 connected to the detection switch 32, the progress of a process is stopped, and the content thereof is displayed. A user detects abnormality, and by restarting operation after taking out the laundry, the normal washing effect of the washing drum can be produced.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method of operating a coin-operated washing machine equipped with a microcomputer that sequentially operates processes such as washing, rinsing, and spin-drying by inserting a coin.

BACKGROUND OF THE INVENTION Conventionally, this type of coin-operated washing machine has been developed, for example, by
As shown in Japanese Patent No. 142587, in addition to the usual washing machine, a washing machine was provided with a separate tank for washing. As shown in Figure 5, in addition to the normal "standard course" that consists of water supply, washing, rinsing, and dehydration of the washing tub, there is also a "tub washing conu" course that consists of water supply, washing, and dehydration for washing the washing tub. It was something like that.

Problems to be Solved by the Invention In this conventional configuration, it is assumed that laundry (cloth) is not put in the tank while the "tank washing course" is being executed, but if cloth is put in the tank, Water was not flowing cleanly into the washing tank, and when performing water supply and dehydration, which is unique to tank washing, unbalance occurred and normal rotation could not be obtained, and the expected washing effect was not obtained. had.

In view of the above-mentioned problems, the present invention has been developed to solve the following problems in washing tub washing:
-7 The purpose is to detect incorrect loading of cloth and to obtain sufficient washing performance in the washing tank.

Means for Solving the Problems In order to achieve the above object, the coin-operated washing machine operating method of the present invention outputs a control signal to sequentially operate processes such as washing, rinsing, and spin-drying by inserting a coin. Equipped with a microcomputer, a standard course is set up that fully automatically runs a series of washing, rinsing, and spin-drying steps, and in addition to the standard course, a step for flushing in the washing tub is executed before the standard course. After the washing tub is finished, the state is returned to the state before the standard running, and furthermore, if an irregular run occurs in the rotation of the washing tub during the washing tub washing, the microcomputer detects the imbalance, The washing process in the washing tank is different from the usual one.

By using the method described above, when carrying out the washing process with cloth loaded in the washing tub, an imbalance in the rotation of the washing tub due to water supply and dehydration is detected, the progress of the process is temporarily stopped, and a message is sent to the user. By informing users that the washing machine is not being used normally, the situation can be regulated and the normal washing effect of the washing tank can be obtained as a result.

EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIGS. 1 to 4.

The basic sequence of the coin-operated washing machine in this embodiment is shown in FIG. In the figure, the 11 standard parts are the parts related to normal washing, rinsing, and dehydration;
The washing tub washing course No. 2 is taken as a step before the standard Cornu 11. The content shown at 13 is the operation content of the washing tank washing course, the time point 14 is the timing when the user inserts a coin, and the unbalance detection at 15 is detected at the step marked with ○. It shows that

Figure 2 shows the external appearance, especially the operating section.

When the user inserts the specified amount into the 16 coin slots,
A display is output to the display unit 1γ.

Reference numeral 18 indicates the washing tank washing course, and 19 indicates the standard setting. First, when the washing tank washing switch 18 is pressed, the washing tank washing course 12 is executed. After the washing is finished, the laundry and detergent are loaded, and when the standard course switching 19 is pressed, the standard Course 11
is executed. If you press the standard course switch 19 immediately after inserting a coin, the washing tank washing course 12
When there is no code, only the standard code 11 is executed.

The correct timing to put the laundry in is after the washer washing cycle 12 is finished and before the standard course 11 starts, but if the user makes a mistake and puts the laundry in from the beginning and then presses the washer washing course switch 18. In some cases, the laundry is supplying water and the water is not sufficiently distributed in the washing tub.
As a result, the effect of tank washing cannot be obtained.

FIG. 3 is a sectional view of the coin-operated washing machine according to the present invention, showing only the main parts. In the figure, 20 is a body, 21 is an operation panel, 22 is a lid, and 23 is a control unit including a microcomputer. On the other hand, inside there is a water tank 24, a washing machine 41J25, a motor 26,
A mechanical unit 27 is arranged, and these parts are supported by a suspension 28. 29 is a water supply valve, 30 is a drain valve, 31 is a drain hose, 32 is a detection valve, 3
3 is a pulsator.

In the above configuration, the washing cycle of the washing tub 25 is performed by rotating the washing tub 25 to sprinkle water and washing the inside of the washing tub 25 while simultaneously opening the water supply valve 29 and the drain valve 3o. If laundry is placed in the washing tub 25 at that time, the laundry will absorb the supplied water, and the water will not be scattered inside the washing tub 25, making it impossible to wash the inside of the washing tub 25. . During washing, the rotation causes the laundry to shift to one side and water is supplied there, so it is conceivable that the rotation of the washing tub 25 becomes unbalanced due to the laundry containing water. When an imbalance occurs, the water receiving tank 24 also swings outward and hits the detection switch 32. When the water tank 24 hits this detection switch 32,
It is possible to detect rotational imbalance.

Completed・ FIG. 4 shows an example of rotational imbalance processing.

When rotational unbalance occurs and is detected, the progress of the stroke is stopped by the action of the control unit 23 connected to the detection unit 32, and its contents are displayed.

Then, the user notices the abnormality, opens the lid 22, takes out the laundry, and closes the lid 22. After closing this lid 22,
Once the operation is restarted, normal washing effect will be obtained.

As is clear from the explanation in Section 2 of ``Effects of the Invention,'' the coin-operated washing machine of the present invention detects the rotational imbalance during the washing process of the washing tub and changes the progress of the process, so that if the washing machine changes, Even when a washing tub washing course is executed after loading laundry, the contents can be detected and notified, and the effect of regular washing tub washing can be exhibited.

[Brief explanation of drawings]

Fig. 1 is a diagram showing the process of a coin-operated washing machine according to a simple embodiment of the present invention, Fig. 2 is an external perspective view of the washing machine, Fig. 3 is a sectional view of the washing machine, and Fig. 4 is the same process. The progress diagram, FIG. 5, is a diagram showing a conventional process. 23...Control unit, 32...Detection unit.

Claims (1)

[Claims] It has a microcomputer that outputs control signals to sequentially run washing, rinsing, and spin-drying processes when a coin is inserted, and has a standard course that runs the washing, rinsing, and spin-drying processes fully automatically. Separately from the standard course, a process for washing the inside of the washing tub is executed before the standard course, and after washing the washing tub, the process returns to the state before the execution of the standard course. A method for operating a coin-operated washing machine, in which, when an unbalance occurs in rotation, the microcomputer detects the unbalance and proceeds with a different washing process than usual.