JP2511498Y2 - Washing machine controller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a control device for a washing machine that automatically executes a washing process including a washing process, a rinsing process, a dehydration process, and the like according to a predetermined program. It is a thing.

<Prior art> In a conventional fully automatic tip machine that can be washed with warm water, in the normal warm water course, when the water supply is completed, the warm water is detected, and if the warm water is below the specified water temperature (25 to 35 ° C), activate the heater. When the supplied water is heated and reaches the specified water temperature, heating is automatically stopped. During this time, the laundry to be washed is placed in warm water and washed, so that the detergent is surely dissolved in the water and the cleaning power is improved.

This minimum wash time is 20 minutes and maximum is 80 to 12 minutes.
It is performed for 0 minutes, followed by washing with warm water while maintaining the water temperature.

<Issues to be solved by the device> However, in the conventional hot water course, the water temperature is up to 35
Since the temperature is set to ℃, it is not possible to kill the mites adhering to the clothes to be washed. There are certain problems when suffering from diseases caused by.

In view of the above, the present invention has an object to provide a washing machine having an excellent hygiene function by killing mites attached to the object to be washed during washing.

<Means for Solving the Problems> The means for solving the problems according to the present invention is as shown in FIGS.
A heater 21 for heating the supplied water in a controller of a washing machine that automatically executes a washing process including a washing process, a rinsing process, a dehydrating process, etc. according to a predetermined program.
A water temperature detector 22 for detecting the water temperature, and a control unit 23 for controlling the washing process by the output signal from the water temperature detector 22. The control unit 23 controls the water temperature until the mites can be killed. Acaricide washing means 24 for activating the heater 21, and a soaking and placing means 25 for performing a soaking and washing at a lower water temperature than the acaricidal washing by operating the heater 21 by an output signal from the water temperature detector 22. There is a washing execution means 27 for executing one of the washing means (24 or 25) selected by the washing course selection switch 26 for selecting either one of the acaricidal washing means 24 and the preliminarily placed washing means 25. It has been confused.

<Operation> In the above means for solving problems, when the object to be washed is thrown in and the power is turned on, the acaricide washing means 24 automatically starts washing. First, when water is supplied and water supply is completed,
The water temperature detector 22 detects the water temperature. If the water temperature is below the specified water temperature at which mites can be killed, the heater
21 is energized to heat the water. During this time, the laundry is stirred. Again, the water temperature detector 22 detects the water temperature,
If the specified water temperature has not been reached, the above operation is repeated.

When the water temperature reaches the specified water temperature, the water temperature detector 22 detects the water temperature, and the heater 21 is repeatedly turned on and off to maintain the specified water temperature, and the pulsator 7 is rotated normally and reversely to perform a normal washing process. A rinsing process and a dehydration process are performed.

At this time, since the water temperature has risen to a temperature at which the mites are killed, the mites adhering to the item to be washed are killed and agitated to remove the mite carcasses from the item to be washed. Therefore, it is possible to eradicate mites from the object to be washed and prevent diseases caused by mites, and to provide a washing machine having excellent hygiene functions.

In addition, since the washing is performed by placing it on warm water, the detergent can be surely dissolved in the water and the washing power can be maximized, unevenness of washing of the item to be washed is reduced, and the washing effect is improved.

Further, when the acaricide wash or the dipped wash is selected by the wash course washing switch 26, the wash execution means 27 executes the acaricide wash or the dipped wash. When it is not necessary to select the acaricidal washing, the washing time is shortened and the power consumption is reduced, and it is possible to improve the usability by selecting either one as needed.

<Embodiment> An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a functional block diagram of a washing machine control device showing an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of the washing machine, and FIG. 3 is a diagram showing changes in water temperature according to course in a washing process. Is.

First, a schematic structure of a fully automatic washing machine that can be washed with warm water according to this embodiment will be described with reference to FIG. This is because the washing machine body 1 is formed in a box shape with an open upper surface, the bottom plate 1a is attached with vibration-damping synthetic rubber legs 2, and the upper surface plate 1b at the top of the washing machine body 1 is used for operations described later. An operation unit 3 having a switch, a display unit, etc. is arranged.

A support rod 4 and a coil spring 4a are provided inside the washing machine main body 1.
A resin water tank 5 which is elastically supported by the above and has an open upper surface is installed, and a resin dehydration tank 6 having a large number of drain holes 6a is installed in the water tank 5. A pulsator 7 is rotatably internally supported at the bottom of the dehydration tank 6 via a rotating shaft 8, and a belt pulley 9 is fixed to the lower end of the rotating shaft 8 through the water tank 5.

A motor 10 is fixed to the lower surface of the water tank 5, and a belt 12 is wound between a motor pulley 11 attached to a motor shaft 10a of the motor 10 and the belt pulley 9. The rotating shaft 8 has an inner shaft 8a having the pulsator 7 fixed to the upper end thereof and the belt pulley 9 fixed to the lower end thereof, and an outer shaft rotatably fitted to the inner shaft 8a so that the upper end thereof is fixed to the lower portion of the dehydration tank 6. The outer shaft 8b has a double shaft structure, and both are detachably connected to each other by a clutch 13 and a brake. The clutch 13 and the rotary shaft 8 are housed in a housing 14 fixed to the lower surface of the water tank 5.

The motor 10 is capable of rotating in the forward and reverse directions. For example, in the case of an alternating current type, a capacitor run type in which the rotating direction can be changed by switching terminals is used. In the case of the direct current type, normal rotation and reverse rotation are possible by switching the direction of the flowing current.

In addition, the water tank 5 is provided with a water level sensor 15,
The water level in the water tank 5 is detected, and the injected water is at a high level (
l), medium water level (40l), low water level (30l), small water level (25l), and extremely low water level (20l).

The water level sensor 15 is mounted in the operation panel of the operation unit 3, and the water level is detected by the following configuration. That is, as shown in FIG. 2, a water level detecting box 17 having a hole 16 communicating with the water tank 5 is formed outside the bottom corner of the water tank 5, and the water level detecting box 17 constitutes an air trap.
An air outlet 18 is formed in the upper part of the, and a pressure guiding pipe 19 connected to the water level sensor 15 is connected to the air outlet 18. A lid 20 for sealing the air in the water level detection box 17 is provided at the bottom of the water level detection box 17.

Then, as shown in FIG. 1, the controller of the washing machine controls the washing process by the heater 21 for heating the supplied water, the water temperature detector 22 for detecting the water temperature, and the output signal from the water temperature detector 22. The control unit 23 is provided, and the control unit 23 controls the heater 21 by an output signal from the acaricide washing means 24 that operates the heater 21 to a water temperature that can kill ticks, and an output signal from the water temperature detector 22. Immersion washing method that activates and executes soaking washing at a lower water temperature than mite washing 25
And the output signal from the washing course selection switch 26,
The acaricidal means 24 and the washing execution means 27 for performing either one of the standing washing means 25 are provided.

The heater 21 is a sheathed heater having a nickel chrome wire as an electric heating wire, and is formed by bending this into an annular shape. The heater 21 is arranged in parallel with each other on the bottom surfaces of the water tank 5 and the dehydration tank 6 at regular intervals, and is fixedly supported on the bottom surface of the water tank 5 by a fixed angle 26.

The end of the heater 21 is bent at a right angle and inserted into the heater support plate 21a fixed to the bottom of the water tank 5 with screws.
It penetrates the bottom surface of the water tank 5.

A heater lead wire 28 is connected to the terminal and covered with a protective material 29.

The water temperature detector 22 comprises a thermistor and a heater.
It is externally attached to the bottom of the water tank 5 so as not to be directly affected by the heat generation of 21.

The control unit 23 is composed of a general one-chip type microcomputer. Then, as shown in FIG. 1, the control section 23 uses the detection signal from the water temperature detector 22 to determine the first prescribed water temperature (35 ° C.) for standing and washing or the second prescribed water temperature (50 ± 5) for acaricide washing. It has a water temperature judging means 30 for judging whether or not the temperature has reached (° C.).

As shown in FIG. 3, the soaking and washing means 25 carries out a warm water washing step after the soaking and washing as in the conventional case. The supplied water is heated by the heater 21 to the first prescribed water temperature (35 ° C.). ), The motor 10 is intermittently driven to rotate the pulsator 7, and the laundry to be washed is agitated so that it becomes familiar with the detergent. And when it reaches the specified water temperature,
Execute the warm water washing process. That is, while detecting hot water and maintaining the prescribed water temperature, the pulsator 7 is rotated normally and reversely to wash the article to be washed, and then rinsed and dehydrated.

The acaricidal washing means 24 carries out the soaked and washed by the soaked and washed means 25 up to a second prescribed water temperature (50 ± 5 ° C.) higher than the first prescribed water temperature, and then wash with warm water while maintaining this prescribed water temperature. Carry out the process. However, the mite scavenging washing time is longer than the soaking time, but
During this time, the laundry to be washed is agitated and contributes to the washing function, so that the washing time during the warm water washing step is shorter than the washing time in the above-mentioned soaking and placing means 25.

The washing course washing switch 26 is arranged in the operation unit 3 and selects either the mite-killing hot water course or the normal warm water course. It has a function of executing a pre-programmed chart of the course and setting a prescribed water temperature in the water temperature determination means 30.

In the above configuration, the item to be washed is thrown in and the power is turned on. Then, the water level is set according to the amount of the item to be washed, and the washing course selection switch 26 selects the mite-killing hot water course. At this time, the washing execution means 27 sets the program for the mite killing hot water course, and the water temperature determination means 30 sets the second prescribed water temperature.

After finishing the above operation, press the start button,
Washing is automatically started by the acaricidal washing means 24. First, water is supplied up to the set water level, and when the water supply is completed, the water temperature detector 22 detects the water temperature. And
If the water temperature is below the specified water temperature, the heater 21 is energized to heat the water. During this period, the motor 10 is intermittently driven and the pulsator 7 rotates to stir the laundry. The water temperature detector 22 detects the water temperature again, and the above operation is repeated if the water temperature has not reached the specified water temperature.

When the water temperature reaches the specified water temperature, the warm water washing process is executed. That is, the water temperature is detected by the water temperature detector 22, and while the heater 21 is repeatedly turned on and off so as to maintain the specified water temperature, the pulsator 7 is rotated normally and reversely to perform normal washing. At this time, the water temperature has risen to a temperature at which the mites are killed, so the mites attached to the laundry are killed,
The agitation removes the mite carcasses from the item being washed. Then, when the washing process is completed, the heater 21
Is turned off, rinsing and dehydration steps are performed, and washing is completed.

Next, when the normal warm water course is selected by the wash course selection switch 26, the washing executing means 27 sets a program for the normal warm water course and sets the first prescribed water temperature in the water temperature judging means 30. Then, the put-on-and-wash means 25 executes the laundry. In this case, the same process as the above-mentioned mite-killing hot water course is performed below the first prescribed water temperature.

Therefore, by performing warm water washing at a water temperature that kills mites, it is possible to eradicate mites adhering to the item being washed, and it is possible to remove mites from the item being washed and prevent diseases caused by mites, which is excellent in hygiene. A washing machine having a function can be provided.

Moreover, since the heater is activated during the mite cleaning, it becomes warm water, and the detergent is surely dissolved in the water, so that the cleaning power can be maximized.

As a result, the uneven cleaning of the object to be washed is reduced and the cleaning effect is improved.

In addition, by making it possible to select mite scavenging and normal hot water washing, the washing time and power consumption can be shortened when mite sickness is not required, and it is easy to use by selecting either as needed. can do.

It should be noted that the present invention is not limited to the above embodiment, and it goes without saying that many modifications and changes are made to the above embodiment within the scope of the present invention.

<Effect of Device> As is clear from the above description, according to the present invention, the heater for heating the supplied water, the water temperature detector for detecting the water temperature, and the output signal from the water temperature detector control the washing process. And a control unit for operating the heater, the control unit operating the heater to a water temperature at which the mites can be killed, and the output signal from the water temperature detector to activate the heater to clean the mites. It is possible to use a soak and place washing method that performs soaking and washing at a lower water temperature, and one of the washing means selected by the washing course selection switch that selects either the acaricidal washing means or the soaking and washing method. By having a washing execution means for performing, and performing acaricidal washing by the acaricidal washing means, it is possible to eradicate the mites adhering to the laundry and to remove the mites from the laundry. A washing machine that can be removed to prevent diseases caused by mites and that has excellent hygiene functions can be provided.

Moreover, since the heater is activated during the mite cleaning, it becomes warm water, the detergent can be reliably dissolved in the water, and the cleaning power can be maximized. improves.

In addition, by making it possible to choose between acaricide washing and washing by putting it on, it is possible to shorten the washing time and reduce the power consumption when acaricide is not required, and improve the usability by selecting either one as needed. In addition, a heater that heats the water temperature to a temperature at which mites can be killed is attached and it can also be used as a heater that heats the water temperature to a lower water temperature than the mite scavenging at the time of washing, and additional parts can be added Instead, it can be washed by leaving it at the specified water temperature.

[Brief description of drawings]

FIG. 1 is a functional block diagram of a washing machine controller showing an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the washing machine, and FIG.
The figure is a diagram showing changes in water temperature for each course in the washing process. 21: Heater, 22: Water temperature detector, 23: Control part, 24: Acaricide washing means, 25: Putting and washing means, 26: Washing course selection switch, 27: Washing execution means.

Claims (1)

(57) [Scope of utility model registration request] 1. A controller for a washing machine, which automatically executes a washing process including a washing process, a rinsing process, a dehydrating process, etc. according to a predetermined program, detects a heater for heating supplied water and a water temperature. A water temperature detector and a control unit for controlling the washing process based on an output signal from the water temperature detector are provided, and the control unit is an acaricidal washing means for operating the heater to a water temperature at which mites can be killed, Either one of the standing and washing means for activating the heater according to the output signal from the water temperature detector to perform the soaking and washing at a lower water temperature than the acaricidal washing, and the acaricidal washing means and the soaking and washing means And a washing execution means for executing one of the washing means selected by the washing course selection switch for selecting the washing machine control device. .