JPH0546235B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a washing machine control device that imposes time or number restrictions on strokes by detecting conditions.

Conventional configurations and their problems In recent years, there has been an increase in the number of washing machines that detect the state of washing and automatically determine optimal washing time, rinsing, frequency, spin-drying time, etc., and proceed with the program.

That is, the time and frequency of washing and rinsing, which the user conventionally determined based on experience and intuition, are detected by a state detection means, ie, a sensor, and are automatically set. Although this has become more convenient and less troublesome for the user, on the other hand, there has been a problem in that the user is worried about whether or not the washing process that they just performed was one that satisfies the user. There is.

Purpose of the Invention The present invention aims to solve these conventional problems and provide a washing machine control device that can display the course of washing that has been carried out. .

Structure of the Invention The present invention includes a state detection means for detecting the washing state of the laundry at least in the washing process out of a series of washing, rinsing, and dehydration processes, and a state detection means that automatically terminates the washing process based on a signal from the state detection means. a control means for controlling the load so as to execute the next step automatically; an output means for outputting the control process by the control means after a series of all the steps; Washing time is displayed by a combination of a progress display means having a progress display corresponding to whether the process is being executed, and a progress display of the progress display means using the progress display means as a part and outputting from the output means after the completion of the entire process. The present invention provides a washing machine control device having a display means for displaying the following information.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a block diagram showing one embodiment of the present invention. Reference numeral 1 denotes a state detection means, which is a so-called sensor that detects the state of washing. 2 is a control means,
The washing state is detected by the state detecting means 1 and the load 3 is controlled based on the signal. Reference numeral 4 denotes a display means, of which at least a progress display means 5 for displaying the progress of the washing state is a part thereof, and the control means 2
After all the strokes are completed, the output means 6 is controlled to output the process of the stroke.

The description will now be made assuming that the condition detection means 1 is a cleaning sensor that detects the degree of cloudiness of the washing liquid based on the transmittance of light.

As shown in Figure 2, if the horizontal axis is the tip time and the vertical axis is the light transmittance, as the washing time progresses, dirt from the laundry comes off and the washing liquid becomes cloudy, and the light transmittance gradually decreases. It's coming. As time progresses and the stains on the laundry no longer come off, the turbidity becomes saturated and the light transmittance does not change. The transmittance of this light is input every minute from immediately after the start of washing (see Figure 2).
If the washing process is controlled by the control means 2 so that the washing process is completed when the following conditions are satisfied: |V _t −V _t-1 | △V (however _, t=1 _, 2, 3...), the washing can be completed. Completion can be detected.

△V is preferably set to a value that can be considered to be almost saturated if |V _t -V _t-1 |≦△V is satisfied. If the maximum washing time is set to 8 minutes, it becomes possible to control the washing time in 8 steps per minute from 1 minute to 8 minutes, and the washing time setting, which conventionally relied on the experience and intuition of the user, is now optimal. It will be set automatically.

Next, after a series of rinsing and spin-drying steps are completed, the state detection means 1 informs the control means 2 via the output means 6 of the number of minutes of the time-constrained steps, that is, the washing time in this embodiment. If the output is prepared, the display means 4 can be provided so that the information can be understood at a glance. In particular, if the device is equipped with a progress display means 5 having three display LEDs to indicate which step is being executed among the three steps of "washing", "rinsing", and "dehydration", all steps are completed. Then, the progress display means 5 becomes unnecessary and can be used also as the display means 4.

In the device having three display LEDs as described above, if the output is in binary code, it is 3 bits, so eight types of output are possible as shown in FIG. That is, when the dehydration progress display 7 is lit, it is 1 minute, when the rinse progress display 8 is lit, it is 2 minutes, and when the washing progress display 9 is lit.
By giving a weight of 4 minutes when lit, it becomes possible to display the above-mentioned washing execution time using the progress display means 5. In other words, after the entire process is completed, the dehydration progress display 7
If only is lit, the washing time is 1 minute, if only the rinse progress display 8 is lit, it is 2 minutes, if the spin progress display 7 and rinse progress display 8 are lit, the washing time is 3 minutes... all the displays are If the lights are off, it will be 8 minutes.

In the above embodiment, three display LEDs were used to display the number of minutes of washing time; however, washing machines usually include a water level display LED and a water level display LED.
It has various display LEDs apart from the above three LEDs, such as a setting display LED for the operation SW. Therefore,
The display after the completion of each of these display LEDs indicates that
Not only the washing time, but also various results such as the number of rinses automatically set by the rinse sensor, the spin time automatically set by the dehydration sensor, and the water level automatically set by the cloth amount sensor can be coded and displayed as output. I can do it.

Effects of the Invention As is clear from the above embodiments, the washing machine control device of the present invention has a progress display that indicates which process is being executed among a series of washing, rinsing, and spin-drying processes. Since it also serves as a display means and displays the washing time after the entire process is completed,
The washing time can be known without providing any special display means. By using the progress display in combination with other displays, the entire process including rinsing and dehydration can be displayed, and in this case, the user can use the product with greater peace of mind. It is. In addition, even when monitoring the product, there is no need to constantly check the time spent in front of the washing machine during washing, such as how many times it has been washed, etc., and after the entire process is completed, the lighting status of the display means can be checked. By checking the , you can easily understand the execution process of the process, and it has a very large effect.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention;
Fig. 2 is a characteristic diagram showing the relationship between the washing time and the light transmittance of a cleaning sensor in which the state detecting means detects the degree of turbidity of the washing liquid based on the transmittance of light, and Fig. 3 is a characteristic diagram showing the relationship between the washing time and the transmittance of light. It is a figure which shows the specific example of the pattern when a washing execution time is displayed. 1... State detection means, 2... Control means, 3...
Load, 4... Display means, 5... Progress display means, 6
...Output means, 7...Dehydration progress display, 8...Rinse progress display, 9...Washing progress display.

Claims (1)

[Claims] 1 Out of a series of washing, rinsing, and spin-drying steps, a state detection means detects the washing state of the laundry at least in the washing step, and a signal from the state detection means ends the washing step and automatically moves to the next step. A control means for controlling the load so as to execute the process, an output means for outputting the control process by the control means after the completion of a series of all processes, and a process for determining which process among the series of washing, rinsing, and spin-drying processes is being executed. a progress display means which has a progress display corresponding to the above, and a display means which includes the progress display means as a part and displays the washing time by a combination of the progress display of the progress display means by the output of the output means after the completion of all the strokes. A washing machine control device with.