JPH0640919B2 - Washing and drying machine - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washer / dryer capable of performing a series of steps from washing / rinsing / dehydration to drying.

2. Description of the Related Art Conventionally, as a washer / dryer, one having a configuration as shown in FIGS. 5 and 6 has been considered. That is, a water tub 2 in the washing machine body 1 is rotatably supported on a horizontal shaft 3, and a rotary tub 4 is rotatably installed in the water tub 2 via a rotary shaft 5. A motor 7a for transmitting the driving force to the rotary shaft 5 via a belt 6 is provided below the water tank 2. A moving motor 7b is fixed to the main body 1 near the end of the horizontal shaft 3, and a pinion gear 9 that meshes with a worm gear 8 driven by the moving motor 7b has a horizontal shaft 3b.
Is stuck to. When the worm gear 8 is driven, the horizontal shaft 3 rotates accordingly, and the water tank 2 rotates about the horizontal shaft 3 as a rotation center. A fan 10 used at the time of drying is connected to a duct 12 via a heater 11 outside the lower part of the water tank 2, and the duct 12 communicates with the inner side of the water tank 2.

In the above structure, the washing, rinsing and dewatering steps are performed in the vertical state of the water tank 2 shown by the solid line in FIG. 5, and when the dewatering step is completed, the worm gear 8 is driven by the rotation of the moving motor 7b, that is, the rotation of the pinion gear 9. Then, the water tank 2 is placed in a horizontal posture and the process proceeds to the drying process. This state is shown by a two-dot chain line in FIG. Rotating tank 4 in the drying process
Is rotated, the clothes are lifted and dropped, and the fan 10
Then, the heater 11 is energized to perform drying.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the washer / dryer having the above-described configuration, the amount of clothes that can be dried is about 1/2 of the amount of clothes that can be washed, rinsed, and dehydrated due to the volume of the rotary tub. With the above amount of clothes, the drying time becomes long, and uneven drying and wrinkles become severe. Therefore, the user has to judge whether the washing / rinsing / dehydration process alone can be completed or the drying process can be performed according to the amount of clothes at the start of washing, which is very inconvenient.

Therefore, an object of the present invention is to make an appropriate judgment as to whether or not the clothes can be dried when the clothes are put into the washing tub to improve the usability.

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides a water tank having an upper part with a clothes inlet, a rotary tank mounted in the water tank, and a water tank in a substantially vertical state and a substantially horizontal state. A rotatable horizontal axis, a reversing device for rotating the water tank around the horizontal axis, a heater and a blower for drying the clothes in the rotary tank,
A control device for controlling the washing / rinsing / dewatering process in a substantially vertical state of the water tank and the drying process in a substantially horizontal state of the water tank, and a selection input unit for selecting execution of the washing / rinsing / dewatering / drying process. And a cloth amount detecting means for detecting the weight of the clothes when the clothes are put into the washing tub, and the laundry inputting means dries the cloth amount detecting means in a state where a washing start input is not made. When the amount of clothes that can be dried is detected, it is possible to input the selection of the drying process. When the amount of clothes that is larger than the amount of clothes that can be dried is detected, the input of the selection of the drying process is prohibited. It was done.

Effect With the above-described structure, the washer / dryer of the present invention can detect the amount of clothes before the start of washing, and whether the user finishes only the washing / rinsing / dehydration process according to the amount of clothes at the start of washing. This eliminates the need to judge whether or not the drying process can be performed, which greatly improves usability.

Embodiment One embodiment of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1 and FIG. 2, 13 is a rectangular tubular body,
A clothing inlet 14 is provided at the upper center. Reference numeral 15 is a substantially spherical water tank, which is a substantially spherical rotary tank 18 in which a water passage hole 16 and a balancer 17 are appropriately formed inside, and a pulsator 19
The pulsator 19 and the rotary tank 18 are connected by a rotary shaft 20 to a mechanical portion 21 having a clutch. Further, the rotary shaft 20 is provided with a pulley A22 which can be arbitrarily decoupled by the mechanical portion 21, the pulley A22 and the washing motor 23 are communicated with each other via a belt A24, and the pulley A22 is coaxial with the pulley A22. B25 is attached and communicates with the drying motor 27 via a belt B26. Further, 28 is a reinforcing metal fitting attached to the outer periphery of the water tank 15, 29 is a pillar connected to the reinforcing metal fitting 28, and a horizontal shaft 30 is provided at two facing surfaces.
have. The stanchions 29 are suspended from the main body 13 by two suspensions 31 in an anti-restraining manner, and the lower part of the main body 13 has a blower fan 3 for drying.
2, a heat exchanger 33, a blower duct 34, and a drive motor 35 that drives the blower fan 32 and reverses the water tank 15 are fixed, and 36 is an output shaft 37 of the drive motor 35 and an input of the speed reduction mechanism 38. It is a clutch for releasing the connection of the shaft 39. Reference numeral 40 is a wire whose one end is attached to the lower portion of the water tank 15, and a fixed pulley 41 provided in the upper portion of the main body 13
It is wound up by the winding pulley 42 fixed to the output shaft 37 of the speed reduction mechanism 38 folded back at. Reference numeral 43 denotes a blower path from the blower fan 32, which communicates with a blower path 43a attached to the outer wall of the water tank 15 by a sliding portion 43b. Further, the blower path 43 is provided in the water tank 15
It communicates with the water tank 15 via a heater 44 provided on the top surface. A lint filter 45 is provided inside the inner lid 46 for putting in clothes, and communicates with the exhaust port 47. Further, the exhaust port 47 has an exhaust path 48 and a sliding portion 43c.
And a series of ventilation circulation paths are formed by communicating with the heat exchanger 33 via the exhaust duct 49.

A control device 50 includes a washing motor 23, a mechanical unit 21,
The drying motor 27, the drive motor 35, the heater 44, etc. are controlled. Further, 51 is a cloth amount detecting means connected to the control device 50, and a strain gauge 52 attached to the suspension 31 is used to measure the cloth amount by utilizing the strain of the suspension 31 generated by the weight of the clothes put in the water tank 15. Detect.

Next, a concrete block diagram of the control device 50 is shown in FIG. In FIG. 3, reference numeral 51 is a cloth amount detecting means, and 61 is an input means constituted by a switch or the like, and the user selects execution of washing, rinsing, dehydration and drying by operating the switch. Reference numeral 62 is an input receiving means for receiving an effective operation of the input means 61, and 63 is for controlling operations such as washing and rinsing according to the selected setting, and an input from the cloth amount detecting means 51 indicates a cloth amount exceeding a predetermined cloth amount. When it is judged, the washing / drying control means for prohibiting the input selection of execution of the drying process to the input receiving means 62, and 64, the output of the washing / drying control means 63 controls the energization of the washing motor, the drying motor, the drying heater, etc. to perform the washing / drying operation It is an output control means for performing a display such as washing / drying and a display of the excess-dryable-cloth-amount display means 66 while controlling. The input receiving means 62, the cloth amount detecting means 51, and the washing / drying control means 63 are configured by a one-chip microcomputer 65.

Next, the operation of this embodiment will be described with reference to the flowchart of FIG.

The operation starts from the start of step 71. The user puts clothes in the water tank 15 and inputs the selection of execution of each course of washing, rinsing, dehydration and drying from the input means 61.
At this time, in steps 73 and 74, the cloth amount detecting means 51
Determines the amount of clothing as described above. The amount of clothes that can be dried is about 1/2 of the amount of clothes that can be washed, and if the washable amount is 4 kg, the amount of clothes that can be dried is 2 kg.
Therefore, if the amount of clothes is detected to be a predetermined amount or more, that is, 2 Kg or more, in step 75, the washing / drying control means 63 and the input acceptance means 62 accept the course selection of only the washing / rinsing / dehydration process, and the drying course is selected. Acceptance of selection is prohibited. Further, at this time, the dry cloth amount excess display means 66 is displayed via the output control means 66 to clearly indicate to the user that the drying process cannot be selected, thereby improving the usability. When the amount of laundry clothes is not more than a predetermined amount, that is, not more than 2 kg, in step 76, the input up to the washing, rinsing, dehydrating and drying steps is accepted. When a start input is received from the input means 61 in step 77, the washing and drying operation of steps 78 to 82 is started.

FIG. 1 shows the state of the water tank 15 during the washing, rinsing, and dewatering steps. The rotary shaft 20 of the rotary tank 18 is positioned vertically to the installation surface of the main body, and at this time, the pulsator 19 is the mechanical mechanism. The washing motor 23 is connected to the rotary shaft 20 by the portion 21 and is rotated in a constant cycle by the washing motor 23. Next, the rotary tank 18 is connected to the rotary shaft 20 by the mechanical portion 21 like the pulsator 19 and is rotated at a high speed to perform a dehydration process. At this time, the vibration of the rotary tank 18 is transmitted from the water tank 15 to the two suspensions 31 via the support columns 29 and is damped. After the washing / rinsing / dehydration process is completed, if the drying course is set to be executed in step 81, the clutch 36 is connected and the drive motor 35 is driven for a certain period of time to be attached to the output shaft 37 of the speed reduction mechanism 38. When the winding pulley 42 winds the wire 40 having one end attached to the lower portion of the water tank 15, the water tank 15 is inverted to the horizontal state about the horizontal shaft 30. This state is shown in FIG. In this state, the drying motor 27 is driven to rotate the rotary tank 18 at a low speed. Further, the heater 44 is energized, the clutch 36 is released, the drive motor 35 is energized, and the blower fan 32 is rotated to enter the drying process. When the drying process is completed, the water tank 15 is returned to the vertical state again and a series of operations is completed.

Effects of the Invention As described above, the present invention has a cloth amount detecting means for detecting the amount of clothes at the time of putting in clothes, and when the cloth amount detecting means detects an amount of clothes more than a predetermined value, the controller performs the drying process. Since the selective input is prohibited, the user can perform an appropriate input / select operation of the washing / rinsing / dehydrating / drying process according to the amount of clothes at the start of washing, which is very convenient.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a washer / dryer showing a state during washing, rinsing and dehydration according to an embodiment of the present invention, and FIG. 2 is a washing / drying state during drying according to an embodiment of the present invention. FIG. 3 is a block diagram showing the control means of the washer / dryer in one embodiment of the present invention, FIG. 4 is a flow chart showing the operation of the control means of the present invention, and FIG. FIG. 6 is a front sectional view showing a washer / dryer in an example, and FIG. 6 is a side sectional view showing a washer / dryer in a conventional example. 15 ... Water tank, 23 ... Washing motor, 27 ... Drying motor, 3
0 ... Horizontal axis, 32 ... Blower fan, 35 ... Drive motor, 4
4 ... Heater, 50 ... Control device, 51 ... Cloth amount detecting means, 6
DESCRIPTION OF SYMBOLS 1 ... Input means, 62 ... Input receiving means, 63 ... Washing / drying control means, 64 ... Output control means.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Eiji Matsuda Eiji Matsuda 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) Reference JP 61-265190 (JP, A) JP 60-126200 (JP, A) JP-A-61-206488 (JP, A)

Claims (1)

[Claims] 1. A water tank having a clothes inlet at the top, a rotary tank mounted in the water tank, a horizontal shaft for rotating the water tank in a substantially vertical state and a substantially horizontal state, and a horizontal shaft for the water tank. A reversing device that rotates around, a heater and a blower that dries clothes in the rotating tub, and a washing / rinsing / dewatering process that is performed in a substantially vertical state of the water tank, and a drying process that is performed in a substantially horizontal state of the water tank. And a selection input means for selecting execution of the washing, rinsing, spin-drying and drying steps, and a cloth amount detecting means for detecting the weight of the clothes when the clothes are put into the washing tub, The laundry input means enables selection input of a drying process when the laundry amount detecting means detects the amount of clothes which can be dried without inputting the washing start, and Detect a lot of clothes Washing and drying machine to prohibit the selection input of the drying cycle, if that.