JPH11235495A - Fully automatic washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to confirm the movement of washing safely by stopping the rotation of a motor when a lid is opened, in a washing process, or the like, while agitation blades are rotating. SOLUTION: A top cover 20 is attached to the upper end of an enclosure 1, and a clothing inlet 20a is opened in the center. A front panel box is formed ahead of the clothing inlet 20a and a rear panel box 20c behind the clothing inlet 20a. The clothing inlet 20a is covered openably by a lid 21, and a control device 22 is stored in the front panel box. A water supply solenoid valve 24 leading to a water filling opening 23 and a safety switch 26 that turns on and off in accordance with the opening and closing of the lid 21 are provided in the rear panel box 20c. This on/off signal is inputted to the control device 22 and controls a motor 15, or the like. Therefore, in a washing process, or the like when the agitation blades 7 are rotating, if the lid 21 is opened, the blades come to a halt, allowing the user to confirm safely the status of washing.

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, and more particularly to safety when an opening / closing lid is opened during a washing or rinsing stirring process.

[0002]

2. Description of the Related Art In a general fully automatic washing machine, in a process of automatically performing washing and dehydration, the rotating blades continue to operate even when an opening / closing lid is opened and closed in a washing or rinsing stirring process. Is common. In the washing stirring process,
Since the amount of washing varies depending on the type, size, thickness, etc. of the laundry, the user may check and adjust the movement of the laundry due to the excessive loading of the laundry. Insufficient rinsing due to rinsing or adverse effects due to bubbles may be confirmed. For this reason, in the washing or rinsing stirring process, the user continues the operation of the rotating blades regardless of the opening and closing of the opening / closing lid and proceeds with the program of the washing or rinsing process in order to confirm during the process. It is to let. However, in the spin-drying step, the washing and spin-drying tub is rotating at a high speed. Therefore, when the opening / closing lid is opened, the operation is stopped for safety.

[0003]

When the open / close lid is opened in the washing or rinsing agitating step of a fully automatic washing machine that automatically performs washing to dehydration, if the operation of the rotor is continued, the state of movement of the laundry is reduced. When checking and adjusting, there is a problem that the laundry is wound around the hand and injured. In addition, when a stand is placed near the washing machine, the infant looks into the washing and dewatering tub and falls into the washing and dewatering tub by mistake, and gets caught in the laundry by the movement of the laundry, The problem of injury is caused by the rotation of the rotor.

One object of the present invention is to provide an operation button for stopping the operation of the rotor for safety and checking the movement of the laundry when the opening / closing lid is opened during the washing or rinsing agitation step. The present invention is to propose a fully automatic washing machine configured with the above.

Another object of the present invention is to propose a fully automatic washing machine having a configuration in which the operation time of a rotary wing is limited by an operation button capable of confirming the movement of laundry.

[0006]

SUMMARY OF THE INVENTION The present invention provides a washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on the inner bottom of the washing and dewatering tub, the stirring wing and the washing and dewatering tub. In a fully automatic washing machine having a motor that rotationally drives a water tank and an openable / closable lid provided on the upper side of an outer frame, when the open / close lid is opened during a washing or rinsing process in which stirring blades rotate by stirring. In this case, the rotation operation of the motor is stopped.

Further, the present invention provides a washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on the inner bottom of the washing and dewatering tub, and a motor for rotating the stirring wing and the washing and dewatering tub. And a fully automatic washing machine having an openable and closable lid provided on the upper side of the outer frame and a safety switch that is turned on and off in accordance with the opening and closing operation of the openable and closable lid. In the rinsing process, the motor is turned off in response to a signal from a safety switch that is activated when the opening / closing lid is opened. further,
The present invention relates to a washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on an inner bottom of the washing and dewatering tub, a motor for rotating the stirring blade and the washing and dewatering tub, and an outer frame. A fully automatic washing machine having an openable / closable lid provided on the upper side of the washing machine, wherein the stirring blade is arbitrarily rotated for a short period of time independently of the washing or rinsing stroke operation in the open state of the openable lid. Is provided.

When the lid is opened during the washing or rinsing process, the rotation of the motor is stopped, which is safe.

A safety switch which is turned on / off in response to opening / closing of the opening / closing lid is safe because the rotation of the motor is stopped when the opening / closing lid is opened during a washing or rinsing process.

In addition, since the stirring means is provided with a means for rotating the stirring blade separately from the washing or rinsing operation when the lid is opened, the stirring state of the stirring blade can be checked directly.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, a box-shaped outer frame 1 made of a steel plate
Inside, an outer tank 4 made of synthetic resin such as polypropylene is supported by a suspension rod 2 and a vibration-proof spring 3 in a vibration-proof manner. Inside the outer tub 4, a washing and dewatering tub 5 having a substantially circular horizontal cross-sectional shape is provided. An upper fluid balance ring 6 made of synthetic resin is attached to the upper edge of the washing and dewatering tub 5 by screws. A number of dewatering holes 5a are provided in the side wall of the washing and dewatering tub 5, and a rotating blade 7 made of a synthetic resin such as polypropylene is installed in the center of the bottom inside. A lower fluid balance ring 8 in which a fluid is sealed is attached to a hollow ring made of a synthetic resin such as polypropylene, whose outer peripheral surface is in contact with and supported by the inner peripheral surface of the washing and dewatering tub 5.

At the upper end of the outer tub 4, a tub cover 9 made of synthetic resin is provided to prevent the laundry from dropping into the gap between the outer tub 4 and the washing and dewatering tub 5.

The drainage device 10 includes a drainage motor 11 attached to the outside of the bottom of the outer tub 4 and communicating with the inside of the outer tub 4, and a drainage hose 12 connected to the drainage motor 11. The drain hose 12 extends out of the outer frame 1 through a hole formed in the lower portion of the side wall of the outer frame 1.

Outside the bottom of the outer tank 4, a driving device 13 is further provided.
Is fixed, and a motor 15 and a clutch mechanism 16 are fixed to the center base 14. A drive pulley 17 is fixed to an output shaft 15 a of the motor 15, and a driven pulley 18 is fixed to an input shaft 16 a of the clutch mechanism 16.
7 and 18 are connected by a belt 19. The clutch mechanism 16 includes a clutch and a speed reduction mechanism for switching between a washing drive and a spin-drying drive. The double output shaft 16b penetrates the center base 14 and the outer tub 4 and protrudes into the outer tub 4. Is connected to a washing and dewatering tub 5, and a rotating blade 7 is connected to the inner shaft. A top cover 20 is attached to the upper end of the outer frame 1, a clothing slot 20a is opened in the center of the top cover 20, a front panel box 20b is formed on the front side, and a rear panel box is formed on the rear side. 20c is formed. The clothing inlet 20a is openably and closably covered by an opening / closing lid 21, a control device 22 is installed in the front panel box 20b, and a water supply electromagnetic valve 24 connected to a water inlet 23 in the rear panel box 20c. A safety switch 26 that engages with the opening and closing of the lid 21 and turns on and off is provided. O of safety switch 26
The control states of N and OFF are input to the control device 22, and the control device 22 instructs and controls the operation of the electric components such as the motor 15.

FIG. 2 is a general washing process diagram, in which the washing process is programmed in the control device 22. In the washing or rinsing agitating step, the rotary wing 7 is rotated left and right under the instruction control of the control device 22, and the laundry put into the washing and dewatering tub 5 is moved by the rotation of the rotary wing 7, and Makes cloth movements such as turning and switching up and down. Since the lower laundry moves to the upper laundry that is not in the vicinity of the rotary wing 7, the rotational force of the rotary wing 7 is transmitted, and the laundry moves while being entangled with each other. By this movement, the laundry is washed by receiving mechanical force such as friction, twist, expansion and contraction due to contact with the rotating blades 7 and the inner peripheral wall of the washing and dewatering tub 5. The above is the case where the opening / closing lid 21 is closed.
When the switch 1 is opened, the safety switch 26 is operated, the control device 22 controls the motor 15 for rotating the rotor 7, and the operation of the rotor 7 is stopped.

When the lid 21 is opened during spin-drying, the washing and spin-drying tub 5 is rotating at a high speed, so that the operation is stopped for safety.

FIG. 3 shows a panel 27 attached to the front panel box 20b. On the panel 27, a water amount button 52 for setting a water amount switch, an operation reservation button 53 for reserving an operation start time, and a careful rinse are set. There is a meticulous rinsing button and a stroke switch for selecting the washing, rinsing and dehydrating steps. Further, there are provided a course button for selecting the strength of the water flow, a course for quick washing, an operation confirmation button for confirming the rotational operation of the rotary wing 7, and a start / stop switch for instructing start and stop of the operation. .

FIG. 4 shows another embodiment corresponding to FIG. FIG. 3 shows a panel 27 'attached to the front panel box 20b.
The difference is that the operation confirmation button is omitted and a course / operation confirmation button 56 'is provided. The course / operation confirmation button 56 'is used as both a course button and an operation confirmation button 56'. The water amount button, the reservation button, the careful rinsing button, the stroke button, and the start / pause button and the operation confirmation button may also be used.

FIG. 5 is a circuit diagram showing the entire circuit. The control board 40 is a main part of the control device 22. The switch board 41 is a main part of the panel 27.

The control board 40 and the switch board 41 are electrically connected by a flat cable 43.

A power supply plug 44 is provided with a power supply fuse 45,
It is connected to the control board 40 via the power switch 46. The power switch 46 is of an auto-off type. When the power switch 46 is in the ON state and the driving instruction has not been given for a certain period of time, the power switch 46 is automatically switched to the OFF state.

The washing motor 15 for rotatingly driving the rotating blades 7 and the washing / dewatering tub 5 is connected to a control board 40 via a thermoswitch 42. Starting condenser 4
9 is connected between the coils of the motor 15. A current transformer 50 is connected to one of the coils in series.

The drain motor 11 is connected to the control board 40 via a changeover switch 48. Drain motor 11
Is for opening and tightening the drainage device 10. When the drainage device 10 is sufficiently opened, the changeover switch 48 is switched to an (open) terminal. When the drainage device 10 is sufficiently tightened, the changeover switch 48 is switched to a (closed) terminal. Then, by switching from the (closed) terminal to the (open) terminal and from the (open) terminal to the (closed) terminal, the power supply to the drainage motor 11 is cut off by the changeover switch 48, and the drainage motor 11 stops. I have.

The safety switch 26 is a clutch solenoid 4
7 is connected to the control board 40. The connection point between the safety switch 26 and the clutch solenoid 47 is connected to the control board 40 so as to detect the opening and closing operations of the safety switch 26.

When the safety switch 26 is opened during the spin-drying operation, the clutch solenoid 47 is de-energized, the brake is operated, and the rotation of the washing and spin-drying tub 5 is suddenly stopped. Since the opening operation of the safety switch 26 is detected, the energization of the washing motor 15 is stopped. The stopping of the energization of the motor 15 is similarly performed at the time of washing and rinsing. The water supply electromagnetic valve 24 and the water level sensor 51 are connected to the control board 40. The switch board 41 is connected to the switch of the water amount button 52, the switch of the reservation button, the switch of the careful rinsing, the switch of the stroke button, the switch of the course button, the switch of the operation confirmation button, and the switch of the start / pause button.

Next, the operation will be described.

The washing and dewatering tub 5 contains laundry, and the opening / closing lid 2
The operation is started by closing 1 and pressing the above-mentioned buttons necessary for setting the washing operation and pressing the start / pause button. Then, when the lid 21 is opened during the washing process or the rinsing process, the safety switch 26 is opened, and this opening operation is detected. The power of the washing motor 15 is cut off by the instruction of the control board 40, and the rotation of the motor 15 is stopped. Stops, and the stirring operation of the rotary blade 7 stops.

Therefore, when the opening / closing lid 21 is opened, the washing step or the rinsing step in which the stirring blade 7 rotates is automatically stopped, so that it is safe.

On the other hand, with the opening / closing lid 21 opened, the stirring blade 7
It is necessary to directly confirm the cloth movement of the laundry caused by.

When the switch of the operation confirmation button 57 is pressed, the power is supplied to the washing motor 15 in accordance with an instruction from the control board 40, and the stirring blade 7 is rotated. The stirring operation by the operation confirmation button 57 is performed by the operation confirmation button 5
The stirring operation is continued for a certain period of time while the button 7 is pressed or after the operation confirmation button 57 is pressed. Further, the operation confirmation button 57 may be pressed, and the stirring operation may be performed for a predetermined time after a predetermined time has passed.

In the embodiment shown in FIG. 4, the operation confirmation button is also used as another button. The software is configured so that the instruction of the operation check operation and another operation instruction are performed separately. One is to set the travel or course, press the start / pause button 58 to start the operation of the washing machine, open the opening / closing lid 21 and temporarily stop the operation of the washing machine, and then use the dual-purpose button. By pressing, operation confirmation is accepted. The other is to open the opening / closing lid 21 and press the start / pause button 58 so that the next operation confirmation is accepted.

Further, when the operation of the washing machine is temporarily stopped by opening the opening / closing lid 21 and the start / pause button 58 is pressed during the washing operation, the next operation confirmation is accepted. I do. Various other software can be considered, but the description is omitted.

[0034]

In the washing or rinsing step, when the opening / closing lid is opened, the motor for rotating the stirring blade is stopped, so that it is safe.

Further, the motor can be arbitrarily turned by the stirring confirmation instructing means in the open state of the opening / closing lid, so that the stirring state can be directly checked by looking at the stirring state.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a fully automatic washing machine according to one embodiment of the present invention.

FIG. 2 is a process diagram of a fully automatic washing machine according to one embodiment of the present invention.

FIG. 3 is a panel diagram according to an embodiment of the present invention.

FIG. 4 is a panel diagram according to another embodiment of the present invention.

FIG. 5 is an overall circuit diagram according to one embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Outer frame, 5 ... Washing and dewatering tank, 7 ... Stirring blade, 15 ... Motor, 21 ... Opening / closing lid, 26 ... Safety switch.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masayoshi Hirayama 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Prefecture Inside the Taga Headquarters, Hitachi, Ltd.Electrical Equipment Division (72) Inventor Tsuyoshi Kimura Higashi Taga, Hitachi City, Ibaraki Prefecture 1-1-1, Machi, Hitachi, Ltd.Electrical Equipment Division, Taga Headquarters (72) Inventor Kazuhiko Toriyama 2--15-12, Nishi-Shimbashi, Minato-ku, Tokyo Inside Hitachi, Ltd.Electrical Equipment Division

Claims (9)

[Claims] 1. A washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on an inner bottom of the washing and dewatering tub, a motor for rotating the stirring wing and the washing and dewatering tub, A fully automatic washing machine having an openable and closable lid provided on an upper side of an outer frame, wherein a rotating operation of a motor is stopped when the openable lid is opened in a washing or rinsing process in which a stirring blade is rotated by stirring. A fully automatic washing machine characterized in that: 2. A washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on an inner bottom of the washing and dewatering tub, a motor for rotating and driving the stirring wing and the washing and dewatering tub, A fully automatic washing machine having an openable and closable lid provided on an upper side of an outer frame and a safety switch that is turned on and off in accordance with the opening and closing operation of the openable and closable lid, the washing or rinsing of the agitating blade being agitated and rotated. A fully automatic washing machine characterized in that the motor is de-energized in response to a signal from a safety switch that is activated when the lid is opened during the stroke. 3. The safety switch according to claim 2, wherein the safety switch is also used as a switch for outputting a signal for stopping the rotation of the motor when abnormal vibration occurs during the spin-drying operation of rotating the washing and spin-drying tub. And a fully automatic washing machine. 4. A washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on an inner bottom of the washing and dewatering tub, a motor for rotating and driving the stirring wing and the washing and dewatering tub, A fully automatic washing machine having an openable and closable lid provided on the upper side of an outer frame, wherein the agitating blade is arbitrarily rotated for a short period of time independently of the washing or rinsing stroke operation in the open state of the lid. A fully automatic washing machine comprising a confirmation driving instruction means. 5. The fully automatic washing machine according to claim 4, wherein the means for instructing the stirring confirmation operation is also used as another operation instruction operation switch. 6. A washing and dewatering tub disposed in an outer frame, a stirring blade rotatably provided on an inner bottom of the washing and dewatering tub, a motor for rotatingly driving the stirring wing and the washing and dewatering tub, A fully automatic washing machine having an openable and closable lid provided on an upper side of an outer frame, wherein a rotating operation of a motor is stopped when the openable lid is opened in a washing or rinsing process in which a stirring blade is stirred and rotated. A fully automatic washing machine comprising an instruction switch for instructing a motor to perform an agitation confirmation operation in which an agitating blade agitates and rotates separately from a washing or rinsing stroke operation when an opening / closing lid is open. 7. A washing and dewatering tub provided in an outer frame, a stirring blade rotatably provided on an inner bottom of the washing and dewatering tub, a motor for rotating the stirring wing and the washing and dewatering tub, A fully automatic washing machine having an openable and closable lid provided on an upper side of an outer frame, wherein a rotating operation of a motor is stopped when the opening and closing lid is opened in a washing or rinsing process in which a stirring blade is stirred and rotated. A fully automatic washing machine provided with an instruction switch for instructing the operation of a motor to arbitrarily stir and rotate the stirring blade with the opening / closing lid open. 8. The agitation confirmation operation or the motor operation according to any one of claims 4 to 7, wherein the agitation confirmation operation or the motor operation is performed when the instruction means or the switch is on.
A fully automatic washing machine characterized by stopping when turned off. 9. The apparatus according to claim 4, wherein the stirring confirmation operation or the motor operation is performed for a predetermined time when an operation instruction is received by the instruction means or the switch. Automatic washing machine.