JPH07680A - Laundry system - Google Patents

Abstract

PURPOSE:To suppress the undesirable breakage of a breaker in a laundry system consisting of a washing machine having a washing machine heater and a dryer having a dryer heater. CONSTITUTION:A washing machine 50 can perform a prescribed washing operation using a washing machine heater. A dryer 52 can perform a prescribed drying operation using a dryer heater. In this case, the simultaneous execution of the prescribed washing operation and the prescribed drying operation is prohibited. Thus, the breakage of a breaker is suppressed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laundry system including a washing machine having a heater for a washing machine and a dryer having a heater for a dryer.

[0002]

2. Description of the Related Art In some dehydration washing machines, a heater is provided in an outer tub to heat water to enable so-called hot water washing (Japanese Patent Laid-Open No. 1-308593: D06F25).
/ 00).

However, in the case of constructing a laundry system with such a washing machine with a heater and a clothes dryer, if the clothes dryer is used at the same time when the heater of the washing machine with a heater is used, a large amount of power is required, so that a breaker is used. There is a risk of breaking.

After the washing machine has been used, while the laundry is being dried in the dryer, if the breaker falls when the washing operation is performed again using the heater, the dryer is restarted from the beginning. In addition to reducing the drying efficiency, it is troublesome and time-consuming.

[0005]

SUMMARY OF THE INVENTION The present invention is intended to suppress undesired breaker breakage in a laundry system constructed by a washing machine having a heater for a washing machine and a dryer having a heater for a dryer. It is a thing.

[0006]

SUMMARY OF THE INVENTION The present invention is a washing motor,
Heater for washing machine for heating washing water, washing machine having washing machine microcomputer for driving and controlling the washing motor and washing machine heater, dryer heater, drying machine microcomputer for driving and controlling the dryer heater And a dryer having a washing machine, and a breaker is cut off when a predetermined washing operation using the heater for the washing machine and a predetermined drying operation using the heater for the washing machine are performed at the same time. Has means for outputting a first signal notifying the dryer microcomputer of the execution of the predetermined washing operation, and the dryer microcomputer executes this execution when the predetermined drying operation is executed. Means for outputting a second signal to notify
The washing machine microcomputer has means for judging the output of the second signal from the drying machine microcomputer, and the drying machine microcomputer has means for judging the output of the first signal from the washing machine microcomputer. The microcomputer for the washing machine and the microcomputer for the dryer are controlled so as to prohibit the simultaneous execution of the predetermined washing operation and the predetermined drying operation.

[0007]

When the predetermined washing operation using the heater for the washing machine and the predetermined drying operation using the heater for the dryer are simultaneously performed, the breaker is cut off.

However, the washing machine microcomputer outputs the first signal when the predetermined washing operation is executed, and the drying machine microcomputer outputs the second signal when the predetermined drying operation is executed, and the washing machine microcomputer Determines the output of the second signal, and the dryer microcomputer determines the output of the first signal. Then, the washing machine microcomputer and the drying machine microcomputer mutually control so as to prohibit the simultaneous execution of the predetermined washing operation and the predetermined drying operation.

Therefore, breaker breakage is suppressed,
There is no need to start over.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the entire structure of a dehydration washing machine in a laundry system of the present invention. 1 is a machine frame, 2 is an outer tank,
Denoted at 3 is a dewatering tank for washing and dewatering, 4 is a motor, and 5 is a deceleration mechanism. Rotational force from the motor 4 is transmitted via a belt 6, and a pulsator 7 disposed at the bottom of the dewatering tank 3 at the time of washing. Is rotated at a low speed, and the dehydration tank 3 is rotated at a high speed during dehydration. Reference numeral 8 is a water supply valve provided in the water supply passage 9, and 10 is a drainage valve provided in the drainage passage 11. Reference numeral 55 denotes a heater disposed at the bottom of the outer tub 2 via a mounting member 54, for heating water in the outer tub 2, and 56 denotes a water temperature sensor 56 mounted at the position of the drainage port. By heating the water with the heater 55, it is possible to wash the laundry with hot water.

FIG. 2 shows the details of the speed reduction mechanism 5,
Reference numeral 12 denotes a mounting base fixed to the lower surface of the bottom of the outer tub 2, to which the motor 4, the reduction mechanism 5, the drain valve 10, a solenoid for driving a drain valve described later, and the like are mounted. A pipe-shaped dewatering tank shaft 14 is rotatably supported on the mounting base 12 via an upper bearing 13, and a rotary blade shaft 15 is rotatably supported inside the dewatering tank 3 and the pulsator 7 respectively.
Are integrally connected to.

Reference numeral 16 designates a cylindrical bearing case, and a fixing portion 12 in which a flange at the peripheral edge of the upper surface is suspended from the mounting base 12.
The bearing case 16 is supported by being bolted to ‘
A holding cylinder is formed in the lower part of the base by drawing, and the lower bearing 17 is press-fitted and fixed thereto.

Reference numeral 18 denotes an upper gear case having an upper portion integrally attached to the dehydration tank shaft 14, 19 denotes a lower gear case provided so as to close an opening on a lower surface of the upper gear case 18, 20
Is a cylindrical brake drum that is installed in the bearing case 16 and is provided so as to cover the outsides of both gear cases 18 and 19. The gear cases 18 and 19 and the brake drum 20 are fastened together by bolts in a three-piece body. The brake drum 20 can rotate together with the dehydration tub 3.

Reference numeral 21 denotes a pipe-shaped dehydration drive shaft which is integrally provided in the lower gear case 19 and is rotatably supported by the lower bearing 17, and 22 is a washing drive shaft which is rotatably supported inside the dehydration drive shaft 21. A belt 6 from the motor 4 is wound around a pulley 23 axially attached to the lower end.

In both of the gear cases 18 and 19, an outer peripheral case 25 having an internal gear 24 that is fitted in the upper gear case 18 while being prevented from rotating, and a sun gear 26 to which the upper end of a washing drive shaft 22 is connected. And a plurality of planetary gears 27 meshed with the internal gear 24 and the sun gear 26, and a carrier 28 to which the planetary gears 27 are connected and the lower end of the rotor blade shaft 15 is connected. By rotating only the washing drive shaft 22 with respect to the gear cases 18 and 19, the rotational force reduced by the planetary gear mechanism is transmitted to the rotary blade shaft 15, and the pulsator 7 rotates at a low speed.

Reference numeral 29 is a pulley boss coaxially and integrally provided with the pulley 23, 30 is a clutch spring wound around the outer periphery of the pulley boss 29 and the lower outer periphery of the dehydration drive shaft 21, and the clutch spring 31 is releasably connected to each other. Is a ratchet wheel arranged around the clutch spring 30 and one end of which is engaged. When the clutch piece 32 is engaged with the ratchet wheel 31, the ratchet wheel 31 is displaced and at the same time, one end of the clutch spring 30 is expanded. And the connection between the pulley boss 29 and the dehydration drive shaft 21 is released.

That is, at the time of spin-drying, the pulley boss 29 and the spin-drying drive shaft 21 are connected by the clutch spring 30, the rotation of the motor 4 is transmitted to the spin-drying tank shaft 14 via the gear cases 19 and 20, and the spin-drying tank 3 is driven at high speed. When rotating and washing, the connection by the clutch spring 30 is released, the rotation of the motor 4 is transmitted to the rotary blade shaft 15 via the planetary gear mechanism, etc., and the pulsator 7 rotates at a low speed.

Reference numeral 33 denotes a belt-shaped brake band which is wound around the drum surface of the brake drum 20 and has a brake shoe 34 attached to the inner surface thereof so as to be in pressure contact with the drum surface. The brake band 33 is formed by punching a flat plate material, as shown in FIG. , A fixing portion 36 having a reinforcing flange 35 at one end of the brake band 33
Is formed by bending at the time of punching, and a pin insertion cylindrical portion 37 is formed at the other end on the movable side.

This cylindrical portion 37, as shown in FIG.
At a predetermined position at the other end of the brake band 33, two slits 38 that are equidistant from and parallel to the center line CL and have a constant length are formed on both sides of the center line CL, and a portion between the two slits 38 is formed. The slits 38 are formed on the back surface side by bending the outer portions of both slits 38 on the front surface side in a semi-circular shape. The slits 38 are formed and bent at the same time when the brake band 33 is punched.

Therefore, as shown in FIG. 4, the cylindrical portion 3
7 is the dimension L from the reference point on one end side of the brake band 33
It is precisely formed at the position.

In the brake band 33 thus formed, as shown in FIG. 3, the fixing portion 36 is fixed between the two through holes 16a and 16b of the bearing case 16 with the screw 39, and one of the through holes is formed. While being inserted into the bearing case 16 through the hole 16a and wound around the drum surface of the brake drum 20,
The other end of the brake band 33 led out from the other through hole 16b is connected to the brake lever 41 supported by the brake lever shaft 40 by fixing the pin 42 inserted in the cylindrical portion 37. Has been done.

Here, the brake lever shaft 40 is mounted on the mount 1.
The brake lever 41 is rotatably biased in a direction of pulling the other end of the brake band 33, that is, in a tightening direction by a spring 43 which is supported by 2.
As a result, the braking force is constantly applied to the brake drum 20.

Reference numeral 44 is a mount 1 facing the drain valve 10.
2 is a drainage solenoid attached to the drain valve 1
0 is connected to the solenoid 44 via the connecting body 45, and the drainage valve 10 is opened and closed by the excitation and non-excitation of the solenoid 44.

The brake lever 41 is connected to the connecting body 45.
And the brake lever 41 moves with the spring 43 by the movement of the connecting body 45 accompanying the excitation of the solenoid 44.
The brake band 33 is rotated in the direction of loosening against the urging of the brake drum 33, and the braking force on the brake drum 20 is released.

Reference numeral 46 denotes a clutch lever which is rotatably supported by the brake lever shaft 40 and has the clutch piece 32 attached to the tip thereof. The spring 47 urges the clutch piece 32 to rotate in the direction in which the clutch piece 32 engages with the ratchet wheel 31. When the brake lever 41 is rotated by the excitation of the solenoid 44,
A part of this engages with the clutch lever 46 and rotates against the bias of the spring 47, and the clutch piece 32 is disengaged from the ratchet wheel 31.

In the dewatering washing machine as described above, the solenoid 44 is de-energized during washing, so the drain valve 10
Is closed and water from the water supply channel 9 is stored in the outer tank 2,
At this time, since the brake lever 41 remains urged to rotate by the spring 43, the brake band 33 is brought into pressure contact with the brake drum 20 to apply a braking force to the dehydration tub 3, and the clutch lever 46 also causes the spring 47. Since it remains biased by the rotation, the clutch piece 3
2 is engaged with the ratchet wheel 31, and the dehydration drive shaft 21 is disengaged from the pulley boss 29. Therefore, the rotation of the motor 4 is decelerated and transmitted to the pulsator 7, and the laundry stored in the dehydration tub 3 is agitated and a predetermined washing operation is performed.

When the solenoid 44 is excited for drainage, the drain valve 10 is opened to perform drainage, and at the same time, the brake lever 41 is rotated to rotate the brake band 3.
3 loosens, the braking force on the dehydration tub 3 is released, and the clutch lever 46 also rotates, so that the clutch piece 32 disengages from the ratchet wheel 31, and the pulley boss and the dehydration drive shaft 21 are connected by the clutch spring 30. It Therefore, the dehydration tub 3 is rotated at high speed by driving the motor 4, and the dehydration operation is performed.

If a clothes dryer is used at the same time when the heater of the dehydration washing machine with such a heater is used, a large amount of electric power is required, and the breaker is broken. For this reason, after using the washing machine, while the laundry is being dried in the dryer, if the breaker falls during the washing operation using the heater again, the dryer must be restarted from the beginning, Not only does the drying efficiency decrease, but it also takes time.

The drawings from FIG. 6 onward show a laundry system according to an embodiment of the present invention, which is constructed from the above washing machine and dryer, in which such inconvenience is eliminated.

FIG. 6 shows an external structure of the laundry system, in which a pedestal 51 is provided above the dehydration washing machine 50 with a heater.
The drying machine 52 supported by the washing machine 50 is disposed, and the washing machine 50 and the drying machine 52 are connected by the transmission / reception cable 53.

FIG. 7 shows the panel surface of the operation panel 57 arranged on the upper surface of the washing machine 50. Key switches for start, stop, various selections, various display LEDs, clock display portion, etc. In addition to the conventional panel components, the power capacity over LED 58, which is illuminated when there is a risk of breaker breakage, is specifically provided.

FIG. 8 shows a block configuration of the laundry system, and 59 is a washing machine side microcomputer which controls the washing machine 50, and an input key circuit 60 for outputting key signals of various key switches of the operation panel 57, Upper lid safety switch 61, water temperature detection circuit 62 that outputs a water temperature signal from the water temperature sensor 56, and water level sensor 6 that detects the water level in the outer tub 2.
3, the drive circuit 64 of each LED of the operation panel 57, washing,
The buzzer circuit 65 for informing the end of dehydration, the motor 4, the water supply valve 8, the drain valve 10, and the load drive circuit 66 of the heater 55 are connected to the microcomputer 59, respectively.

A dryer-side microcomputer 67 controls the dryer 52. Key signals such as a course selection and start from the input key circuit 68 and temperature signals from the drum outlet thermistor 69 and the drum inlet thermistor 70 are input. The microcomputer 67 controls the driving of the motor 72 and the five heaters 73 via the load driving circuit 71 according to a program input in advance based on these input information.

Reference numeral 74 indicates the state of use of the washing machine 50 and the dryer 52.
Is a transmission line for a washing machine for transmitting to a computer, a first signal, that is, a high level signal (hereinafter referred to as an H signal) is output from the microcomputer 59 when a predetermined washing process using the heater 55 is executed, and at other times. A low level signal (hereinafter referred to as L signal) is output.

The numeral 75 indicates the washing machine 50 when the dryer 52 is in use.
A transmission line for a dryer for transmitting the second signal, that is, a second signal, that is, an H signal from the microcomputer 67 during a predetermined drying operation using the heater 73, and an L signal during a stop.

FIGS. 9 and 10 are flowcharts showing an example of control procedures of the washing machine side microcomputer 59 and the dryer side microcomputer 67, respectively.

In this example, the start of the dryer 52 is not accepted during the predetermined washing operation using the heater of the washing machine 50, and the heater 55 of the washing machine 50 is used during the predetermined drying operation using the heater 73 of the dryer 52. In this case, an interlock is formed so that the heater 55 of the washing machine 50 and the dryer 52 do not operate at the same time.

That is, as shown in FIG. 9, the washing machine 5
At 0, when the start of the washing process is instructed, it is first judged whether or not it is the washing course using the heater 55, and if NO, an L signal is transmitted to the dryer 52 and the capacity over LED 58 is kept off. Execute the washing process according to the course.

In the case of the washing course using the heater 55, it is next judged whether or not the H signal is output from the dryer 52, that is, whether the dryer 52 has started first, and YES. In the case of, the capacity over LED 58 is turned on and waits until the signal from the dryer 52 becomes L.

When the signal from the dryer 52 is L, an H signal indicating that the washing course using the heater has started is transmitted to the dryer 52, and the LED 58 is turned off. Run.

In this operation, when the dryer 52 is instructed to start the drying process, an H signal is transmitted from the dryer 52. In that case, the LED 58 is turned on.

When the washing process is completed, the dryer 5
After sending the L signal to No. 2, turning off the LED 58, the operation is stopped.

On the other hand, in the dryer 52, when the start of the drying process is instructed, after the H signal is transmitted to the washing machine 50, whether or not the H signal is transmitted from the washing machine 50, that is, in the washing machine 50. It is determined whether or not the washing process using the heater is being executed, and if YES, the process waits until the signal from the washing machine 50 becomes L.

When the signal from the washing machine 50 is L, a predetermined drying process is executed, and when it is completed, the washing machine 50
To the L signal to stop.

By the way, in the control described above, the washing machine 50
The heater 55 and the dryer 52 are not turned on at the same time, but in the case where the heater 52 is used in parallel, such as the dryer 52, for example, two of the five heaters are used. By performing a so-called power-down operation using only the heater 73, it is possible to simultaneously perform the washing process and the drying process using the heater.

FIG. 11 and FIG. 12 are flowcharts showing the respective control procedures of the washing machine side microcomputer 59 and the dryer side microcomputer 67 which realize such control.

In the case of this control, the signal transmitted from the dryer 52 becomes the H signal at the start of the drying process, but only when the washing process using the heater is started after this start, the dryer 52 is started. The L signal is set when the heater is stopped and when two of the five heaters are used.

When the washing machine 50 is instructed to start the washing course using the heater when the dryer 52 is stopped, an H signal is transmitted to the drying machine 52, the LED 58 is turned off, and then a predetermined washing course is performed. To execute.

In this operation, when the dryer 52 is started, the dryer 52 receives the H signal from the washing machine 50 after transmitting the H signal to the washing machine 50, so that the five heaters 73 are provided. The power-down control is performed so that only the two heaters 73 are turned on instead of turning on all of the above.

Further, when the washing machine 50 receives the H signal from the dryer 52, the washing machine 50 sets the L level in the washing course.
After controlling the lighting of the ED 58, the washing machine 50 is controlled so as not to turn on the heater 56 and the motor 4 at the same time and the washing operation is continued. When the washing is completed, the washing machine 50 transmits an L signal to the dryer 52 and stops. To do.

Further, at the time of instructing the washing course using the heater,
If the dryer 52 is operating first, the dryer 5
Since the H signal is transmitted from 2, the washing machine 50
After turning on the ED 58, when the signal from the dryer 52 remains the H signal, the operation is stopped.

Here, when the dryer 52 is operated before the washing machine 50, it sends the H signal to perform a so-called full power drying operation. At this time, as described above, the washing machine is operated. From 50, H indicating the start of washing using the heater
When the signal is transmitted, the signal to the washing machine 50 is changed to the L signal at the time of stopping the heater in the drying process or at the time of control in which only two of the five heaters 73 are used.

Therefore, in the washing machine 50, the dryer 52
Only when the L signal is received, the washing process is advanced under the control so that the heater 55 and the motor 4 are not simultaneously turned on.

During this control, when the L signal from the dryer 52 continues for a certain period of time or more, it is possible to judge that the dryer 52 has stopped and shift to the normal washing process.

Further, in the washing machine 50, when executing the washing course without using the heater 55, the washing machine 50
Both the dryer 52 and the dryer 52 operate normally.

In the above description, the heater 5 of the washing machine 50
5 is a case where the breaker is cut off when the dryer 5 and the dryer 52 are turned on at the same time. In the operation of only the washing machine 50, the breaker is cut off when the motor 4 and the heater 55 are turned on at the same time. In the case of a breaker, it is possible to perform control so that the motor 4 is not turned on when the heater 55 is turned on.

[0057]

According to the present invention, in the laundry system in which the breaker is cut off when the predetermined washing operation using the heater for the washing machine and the predetermined drying operation using the heater for the drying machine are simultaneously performed, the predetermined washing operation is performed. Therefore, the simultaneous execution of the predetermined drying operation is prohibited, and therefore the breaker can be prevented from being cut off, the trouble of re-starting the operation can be eliminated, and a laundry system with high work efficiency can be provided.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a dehydration washing machine in a laundry system of the present invention.

FIG. 2 is a sectional view of a speed reduction mechanism of the washing machine.

FIG. 3 is a bottom view showing how the brake band of the washing machine is attached.

FIG. 4 is a front view showing a developed state of a brake band of the washing machine.

FIG. 5 is a plan view showing the other end of the brake band of the washing machine.

FIG. 6 is an external perspective view of the laundry system according to the embodiment of the present invention.

FIG. 7 is a front view of an operation panel of the dehydration washing machine in the system.

FIG. 8 is a block circuit diagram of the system.

FIG. 9 is a flowchart for explaining the operation on the washing machine side in the same system.

FIG. 10 is a flowchart for explaining the operation of the dryer side in the system.

FIG. 11 is a flowchart for explaining another operation on the washing machine side in the same system.

FIG. 12 is a flowchart for explaining another operation on the dryer side in the system.

[Explanation of symbols]

 4 Motor for Washing Machine 55 Heater for Washing Machine 59 Microcomputer for Washing Machine 67 Microcomputer for Drying Machine 73 Heater for Drying Machine

Claims (1)

[Claims] 1. A washing motor, a washing machine heater for heating washing water, a washing machine having a washing machine microcomputer for driving and controlling the washing motor and the washing machine heater, a dryer heater, and a dryer heater. A dryer having a dryer microcomputer for driving and controlling the laundry, and a breaker is cut off when a predetermined washing operation using the washing machine heater and a predetermined drying operation using the drying machine heater are simultaneously performed In the system, the washing machine microcomputer has means for outputting a first signal notifying the drying machine microcomputer of the execution of the predetermined washing operation, and the drying machine microcomputer has a function of outputting the first signal when executing the predetermined drying operation. The washing machine microcomputer has means for outputting a second signal to notify the washing machine microcomputer of this execution, and the washing machine microcomputer is the drying machine microcomputer. And a means for determining the output of the second signal from the washing machine, and the dryer microcomputer has means for determining the output of the first signal from the washing machine microcomputer. Machine microcomputers,
A laundry system, characterized in that the laundry system is controlled so as to prohibit the simultaneous execution of the predetermined washing operation and the predetermined drying operation.