JPH05168787A - Control device of fully automatic washing machine - Google Patents

Abstract

PURPOSE:To perform the operation in the midnight time zone when the electric charge is cheap by setting the midnight time zone as the priority time because the electric charge at midnight is comparatively cheap due to the introduction of the electric charge policy for each time zone. CONSTITUTION:In the control device of a fully automatic washing machine having an operation control means continuously and automatically performing the water feeding, washing, rinsing, and dehydrating processes and having an operation section including a washed content setting key and an operation completion time key, and a priority time key 11 setting the priority time zone is provided on a control panel 1. When the priority time key 11 is set to the time other than the priority time zone and a start switch 3 is pushed, the start time of washing is shifted to the start time of the priority time zone. When the washing completion reserve operation is started after the priority time key 11 is pushed, if the priority time zone is included in the period until the reserved completion time, only the washing and rinsing processes are performed in the priority time zone so that all processes are completed by the reserved washing completion time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fully automatic washing machine whose operation is controlled by the output of a microcomputer.

[0002]

2. Description of the Related Art A fully automatic washing machine of this type is disclosed in Japanese Examined Patent Publication Sho 63.
As shown in No. 35273, it is known that the washing completion time can be arbitrarily set.

This is provided with an operation completion time setting key, a washing content setting key, and display means for displaying these setting contents. Then, the time required for the set washing course and the operation completion time are calculated to determine the washing start time, and when the time is reached, the operation is automatically started, and the washing course And a microcomputer for instructing to display the progress status on the display means.

For example, when the current time is 22:00 and the washing completion time is set at 9:00 the next morning, if the time required for the selected selected course is 45 minutes, the washing will be automatically started from 8:15 the next morning. Started.

[0005]

[Problems to be solved by the invention] Recently, due to the introduction of the hourly electricity rate system, the electricity rate at midnight (mainly from 23:00 to 7:00) has become cheaper, so by using electricity as late as possible Helps to smooth power usage, and also
Saves electricity bills.

However, with the conventional configuration as described above, the operation execution time is a time outside the midnight time zone, even though the midnight power time zone is included in the standby time.
I couldn't save the electricity bill.

[0007]

[Means for Solving the Problems] Fully automatic operation including operation control means for continuously and automatically performing steps of water supply, washing, rinsing and dehydration, and an operation unit such as a washing content setting key and an operation completion time key In the washing machine control device, the operation unit is provided with a priority time key for setting a priority time zone, and when the priority time key is pressed at a time other than the priority time zone and the start key is pressed, the priority time zone is set. Make sure to shift the washing start time to the beginning time.

Further, when the laundry completion reservation operation is started after pressing the priority time key, if the priority time zone is included by the reserved completion time, the washing and rinsing step is performed during the priority time zone. Only this is executed so that all the steps are completed at the reserved washing completion time.

[0009]

[Effect] Since the electricity rate system according to the hourly price is introduced, the electricity rate at midnight is cheap. Therefore, if the midnight time zone is set as the priority time, the operation will be executed in the midnight time zone when the electricity rate is low.

[0010]

The present invention will be described below with reference to the drawings. Figure 1
Is the control panel of a fully automatic washing machine. FIG. 2 is a block diagram of the controller as well. FIG. 3 is a flowchart of priority time operation during normal operation. FIG. 4 is a flowchart of priority time driving during reserved driving.

A control panel 1 is a power switch 2, a start / stop switch 3, a washing key 4, a rinsing key 5, a dehydration key 6, a course selection key 7, a water level setting key 8, and a time key for setting the current time. 9, a reservation key 10 for setting a reservation set time, priority time keys 11 and 12 for setting a priority time zone are the time key 9 and the reservation key 1
0, the time setting key for setting the time when setting the time of the priority time key 11, 13 is the minute setting key for setting the minute, and the numbers set as described above, the remaining time during driving, and each mode It has a display means 14 for displaying the selection items. Further, as a component in the microcomputer 15, 16 is a read-only memory (ROM).
Although all the driving programs are stored, the washing time and the dehydration time can be changed by using the keys 4 to 7.

Reference numeral 17 is a data writing memory (RAM)
Then, the signals from the keys 2 to 13 are input to the input control units 18, 1
Store through 9. 20 is a control unit for comparing data stored in the RAM and performing addition / subtraction, 21 is a control unit for controlling the operation of each unit in the microcomputer, 22 is a timer, and 23 to 25 are the RAM 17
It is a control unit for operating each device according to the signal extracted from the device.

An input key circuit 26 including the keys of the key switches 2 to 13 as an external circuit of the microcomputer, a state detection circuit 27 for detecting water temperature, water level, cloth amount, etc. by a sensor, time, course, A display device 28 for displaying the water level and the like, a buzzer 29 for notifying the end and error occurrence by sound, a drain valve 30, a water supply valve 3
1, a load drive circuit 33 for controlling the drive motor 32, a power supply circuit 34, and a reset circuit 35 are connected.

Next, the operation of the washing machine of the present invention will be described. After turning on the power switch 2, start switch 3
When is pressed, water temperature, water level, cloth amount, etc. are detected by the sensor, and washed according to the pre-programmed rules,
Set the rinse dehydration time. Also, if you want to set the washing time arbitrarily, after turning on the power switch 2, you can press the wash key 4, rinse key 5, dehydration key 6 to make a selection within a predetermined time, then start By pressing the switch 3, each process is executed for the set time.

In the case of the reserved operation for setting the washing completion time, after the course or process selection is determined, the reservation key 10 is pressed, and the washing completion time is set by the hour setting key 12 and the minute setting key 13. For example, it is 22:00 now,
When the laundry completion time is set at 9:30:30 the next morning, pressing the reservation key 10 causes the time display unit 141 to display the current time "22:
00 ”is displayed, and each time the time setting key 12 is pressed, the number in the hour display portion is raised to 22-23-0-1-2-3 and continues to be pressed until it becomes“ 9 ”. After that, by pressing the reservation key again, the washing completion time is reserved, the LED 142 for displaying the reservation is lit, and the start switch 3 is input to execute the reserved operation.

Further, the present washing machine can set a priority time zone and has a function of shifting laundry to the priority time zone. After turning on the power switch 2, the priority time key 11 is pressed, and the time adjustment key 12 and the minute adjustment key 13 are used to set the priority time start time and the priority time end time. For example, 2
When setting the priority time zone from 3:00 to 7:00 the next morning, when the priority time key 11 is pressed, the priority time start time already set is displayed on the time display unit 141. Here, the priority time start time is set (in this case, "23:00") by the time adjustment key 12 and the minute adjustment key 13 by the same operation as when setting the reservation time. After that, when the priority time key 11 is pressed again, the already set priority time end time is displayed on the time display section 141.

Here, the time setting key 1 is again operated by the same operation.
2. The priority time end time is set by the minute setting key 13 (in this case, "7:00"), and the reservation time key 12 is pressed again to complete the setting of the priority time zone.

When the normal operation mode is selected, the power key 2
When the priority time key 11 is pressed after turning on and determining the course or process selection, the LED 143 is turned on to enable the priority time operation. At this time, when the start switch 3 is input, if it is a time other than the priority time zone, the priority time operation is performed, the laundry start time is shifted to the priority time start time, and if it is during the priority time zone, the operation is immediately performed. To start. When the reserved operation is selected in the mode, when the completion time reserved operation is started with the priority time operation enabled, if the priority time zone is included by the reserved completion time, the priority time zone The washing and rinsing steps are performed, and only the dehydration step is performed immediately before the washing completion time.

FIG. 3 is a program flowchart of the priority time operation during the normal operation during the priority time name operation, and FIG. 4 is a flowchart of the priority time operation in the reserved operation mode. Referring to FIG. 4, when the priority time zone is included by the washing completion time, the water supply, washing, and rinsing steps are executed in the time zone. After performing the rinsing process, pause before the final drainage.

Next, to finish at the washing completion time,
Execute drainage and dehydration process at an appropriate time. For example, if the reservation is set as described above, water supply at 23:00,
If washing and rinsing steps are performed and it takes 10 minutes for draining and dehydrating after the suspension, the operation is started from 8:50,
The washing ends at the washing completion time.

[0021]

As described above, by shifting the washing time to the arbitrarily set priority time zone, for example, the electricity rate can be saved by using the electricity rate discount time zone at midnight,
For example, when carrying out reserved driving for returning home late at midnight, wash the laundry during the daytime as much as possible so as not to make noise at midnight. Can be provided.

[Brief description of drawings]

FIG. 1 is a front view of a control panel of a fully automatic washing machine according to the present invention.

FIG. 2 is a block diagram of the same control unit.

FIG. 3 is a program chart during normal operation.

FIG. 4 is a program chart during reserved operation.

[Explanation of symbols]

 1 Control panel 2 Power switch 3 Start switch 4 Washing key 5 Rinse key 6 Dehydration key 9 Time setting key 10 Washing completion time (reservation) setting key 11 Priority time zone setting key 12 Time setting key 13 Minute setting key 14 Display means

Claims (2)

[Claims] 1. A control of a fully automatic washing machine equipped with operation control means for continuously and automatically performing water supply, washing, rinsing, and dehydration steps, and having operation parts such as a washing content setting key and an operation completion time key. In the device, the operation unit is provided with a priority time key for setting a priority time zone, and at a time other than the priority time zone, after pressing the priority time key, pressing the start key,
A control device for a fully automatic washing machine, comprising a control means for shifting a washing start time to a starting time of the priority time zone. 2. When the washing completion reservation operation is started after the priority time key is pressed in claim 1, and when the priority time zone is included by the reserved completion time, the priority time zone is included. 2. A control device for a fully automatic washing machine, comprising: a control unit that executes only the washing and rinsing steps and completes all the steps at the reserved washing completion time.