JP4352754B2 - Washing and drying machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a washing and drying machine that performs washing and drying used in a general household in the same tank.
[0002]
[Prior art]
Conventionally, as a device for washing and drying clothes, there are a device using a heater as a heat source and a device using a heat pump device as a heat source (see, for example, Patent Document 1). Hereinafter, a conventional example will be described with reference to the accompanying drawings.
[0003]
FIG. 12 is a side sectional view of the washing / drying machine described in Patent Document 1. In FIG. 12, the washing / drying machine 1 has a casing 2, a door 12 for attaching and removing clothes 6 is attached to the center of the casing 2, and a rotating drum 3 is accommodated therein. A predetermined portion of the rotating drum 3 is provided with a beater 5 for lifting and dropping the clothes 6 along with the rotation of the rotating drum 3, and a punching hole 4 through which washing water 7 and circulating air 9 for drying enter and exit. . The shaft 11 of the rotating drum 3 receives power for rotation from a driving motor (not shown).
[0004]
Further, the rear surface of the rotating drum 3 in the casing 2 is partitioned by a partition wall 22 except for the air inlet 24 and the air outlet 23, and ducts 10 and 13 through which the circulating air 9 passes are formed. The lower part of the front surface of the partition wall 22 constitutes a washing tub 14, and the lower part of the rotating drum 3 faces the portion of the washing tub 14.
[0005]
Each of the air ducts 10 and 13 incorporates a compressor 19, a condenser (condenser) 18, a fan 17, an expansion valve 20, an evaporator (evaporator) 15 and the like, and a so-called heat pump cycle is formed. Further, a part of the capacitor 18 is extended to the outer back surface of the casing to form a radiator 16. 21 is a drain drain pipe, and 8 is a washing drain pipe.
[0006]
Next, each process and operation will be described. In the washing and rinsing process, the door 12 is opened, the garment 6 and an appropriate amount of detergent are added, the door 12 is closed, and the following processes are executed.
[0007]
A prescribed amount of water 7 is supplied from a water supply valve (not shown) to the washing tub 14 up to the position of the water level A. The rotating drum 3 rotates continuously or intermittently at the programmed number of rotations to perform cleaning. During this time, the garment 6 is lifted and dropped by the beater 5. After washing is completed, the water is drained from the washing drain pipe 8 of the washing tub 14 to the outside of the machine. Subsequently, the rinsing process is performed in the same process. Rinsing water is also drained out of the machine from the washing drain pipe 8 as washing drain.
[0008]
In the dehydration step, the rotating drum 3 rotates at a programmed number of rotations to dehydrate the moisture 7 in the clothing 6. The dewatered water is drained out of the machine from the washing drain pipe 8 as washing drain.
[0009]
In the drying process, the compressor 19, the fan 17 and the rotating drum 3 are operated, and the circulating air 9 circulates inside the ducts 10 and 13 and the rotating drum 3. The water vapor evaporated from the clothing 6 is brought into contact with the evaporator 15 through the air outlet 23 and the duct 10 together with the circulating air 9, and is cooled to be condensed and condensed (condensed water). The dehumidified circulating air 9 is sent to the condenser 18 by the fan 17, heated there to become hot air, flows into the rotary drum 3 through the duct 13 and the air inlet 24, and evaporates moisture from the clothing 6 again. . The dehumidified condensed water is drained out of the machine through the drain drain pipe 21. During this time, the rotating drum 3 rotates continuously or intermittently at a preset number of rotations as in the washing process.
[0010]
[Patent Document 1]
JP-A-1-32893 (FIG. 1)
[0011]
[Problems to be solved by the invention]
However, in the conventional configuration, the drain drain pipe 21 and the washing drain pipe 8 separately lead the drain to the outside of the machine. In the washing machine, there is one drainage hose corresponding to the drainage pipe, and when a washing / drying machine is installed at the place where the washing machine is installed, the drainage treatment can be performed with one drainage hose as in the past. It is desirable in terms of installation work, installation members such as a waterproof floor, and piping equipment under the floor.
[0012]
If the drain drain pipe 21 and the laundry drain pipe 8 are directly connected in the machine, the level of water stored in the washing tub 14 during washing is high, and the drain drain pipe 21 from the laundry drain pipe 8 due to water pressure during washing drainage. When washing water and rinsing water flow into the water and the installation position of each means such as the evaporator 15, the fan 17 and the condenser 18 for performing dehumidification and heating is lower than the stored water level of the washing water as well as the piping. However, there is a problem that there is a risk of getting wet with washing water in which detergent or bleach is dissolved.
[0013]
In order to prevent this, in addition to the drainage valve provided in the washing drainage pipe 8, a backflow by a check valve for preventing the backflow to the drain drainage pipe 21 or a drainage valve for the drain drainage pipe 21 is provided. There has been a problem that a separate prevention means is required.
[0014]
The present invention solves the above-described conventional problems, and aims to realize a wastewater treatment means that can prevent backflow to the drain drainage pipe 21 and drain the water outside the machine with a single drainage pipe. is there.
[0015]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a washing drainage channel for flowing drainage at the time of washing, a condensation drainage channel for passing condensed water at the time of drying, and drainage provided at a junction of the washing drainage channel and the condensation drainage channel. A valve, a drainage tank that stores condensed water at a position lower than the drainage valve, a drainage pump that is provided in the condensation drainage channel and pumps up the condensed water in the drainage tank, and a control means that controls the drainage valve. The drainage pump has a suction port connected to the drainage tank, and a discharge port of the drainage pump is connected to a condensation drainage channel leading to the drainage valve. Control the drain valve so that the condensation drainage channel side is closed when open, and control the drain valve so that the condensation drainage channel side is open when the drainage pump is operating during drying It is a thing.
[0016]
This prevents backflow from the washing drainage channel to the condensation drainage channel, and using a single drain valve that stores and drains water during washing, the drainage drainage channel side is open when the condensation drainage channel side is closed during drainage of washing water, When the condensation drainage channel side is opened during drying, it can be drained outside the machine with a single drainage pipe.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 is a dehumidifying means for washing and drying clothes placed in the same tank, cooling the drying air at the time of drying and recovering moisture as condensed water, and draining at the time of washing. A washing drainage channel for flowing, a condensation drainage channel for passing condensed water when drying, a drainage valve provided at a junction of the washing drainage channel and the condensation drainage channel, and a drainage tank for storing condensed water at a position lower than the drainage valve And a drainage pump that is provided in the condensation drainage channel and pumps up the condensed water in the drainage tank, and a control means that controls the drainage valve, and connects a water inlet of the drainage pump to the drainage tank, The discharge port of the drainage pump is connected to a condensation drainage channel leading to the drainage valve, and the control means controls the drainage valve so that the condensation drainage channel side is closed when the laundry drainage channel is open during drainage of washing water. Control and drain the drainage pump during drying The drain valve is controlled so that the dew condensate side is open during operation, and when the condensate drain side is closed when washing water is drained, the laundry drain side is opened. It serves as a backflow prevention means for preventing backflow from the drainage channel to the condensation drainage channel. By constructing a backflow prevention means with a single drainage valve, it is possible to drain outside the machine with a single drainage pipe even when the condensation drainage channel side is open during drying. In addition to the drainage valve that stores and drains washing water There is no need to provide a separate backflow prevention means.
[0018]
Also, due to the configuration of the dehumidifying means, when a dew condensation water drainage tank is installed at a position lower than the position where the drainage valve is installed, and the dew condensation water accumulates in the drainage tank, the dew condensation pump is forcibly pumped up. Accordingly, the drainage pipe can be connected at the position of the drainage valve, and the washing drainage channel and the condensation drainage channel can be connected to one drainage pipe and discharged outside the apparatus.
[0019]
The invention according to claim 2 is the invention according to claim 1,
When the amount of pumped water from the drainage pump is less than the amount of condensed water generated during drying, and the amount of water collected in the drainage tank increases due to the difference between the amount of condensed water generated during drying and the amount pumped by the drainage pump , the drainage with the tank has a greater capacity than the amount of water accumulated during the drying, the control means, after completion of the drying also it is obtained by so operating the drainage pump pumps the remaining water in the drainage tank, pumping a small amount of wastewater A pump can treat a predetermined amount of water collected from clothing.
[0020]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0021]
(Example 1)
1 is a perspective view of a washing and drying machine according to a first embodiment of the present invention as viewed from the back, and FIG. 2 is a side sectional view. In FIG. 1, there is a washing tub 26 in a washing and drying machine main body 25 of the present invention, and a motor 27 is attached. The washing tub 26 is attached to the main body 25 while being supported by suspensions 29 on both sides and an upper suspension 30.
[0022]
35 is a compressor, 36 is a radiator that dissipates the heat of the high-temperature and high-pressure refrigerant after compression, 37 is an expansion valve for reducing the pressure of the high-pressure refrigerant, or throttling means comprising a capillary tube, and 38 is depressurized. The low pressure refrigerant is a heat absorber that draws heat from the surroundings, and is connected to the compressor 35, the radiator 36, the throttle means 37, and the heat absorber 38 in this order so that the refrigerant circulates again through the compressor 35. The heat pump device connected at 39 is provided.
[0023]
Reference numeral 40 denotes an air passage through which drying air flows, and is configured to connect the heat absorber 38 as a dehumidifying means for cooling the drying air and the radiator 36 as a heating means for heating the drying air. Yes. The washing tub 26 and the air passage 40 are connected by flexible hoses 41 and 42. The air passage 40 is provided with air blowing means 43. Reference numeral 44 denotes a duct provided on the outer wall of the washing tub 26. An arrow B indicates the flow of drying air in the duct 44 and the air passage 40.
[0024]
In FIG. 2, reference numeral 28 denotes a rotating drum that is directly connected to the shaft of the motor 27 and attached in the washing tub 26. A door 32 for loading clothes 31 is provided at a position corresponding to the front opening of the washing tub 26 and the rotary drum 28. A gap between the main body 25 and the washing tub 26 is substantially sealed by a bellows 33 and a door packing 34 so that air does not leak into the main body 25 or outside the machine. A hole 45 and an opening 46 through which washing water and drying air enter and exit are provided on the side wall and the bottom of the rotating drum 28. An opening 56 is provided in the inner wall of the washing tub 26 and connects the air passage between the washing tub 26 and the duct 44. An arrow C indicates the flow of drying air in the washing tub 26 and the rotary drum 28.
[0025]
Reference numeral 47 is a washing drainage channel for flowing wastewater during washing, and 48 is a condensation drainage channel for passing condensed water generated by the heat absorber 38 during drying. The washing drainage channel 47 and the condensation drainage channel 48 are connected to a single drainage pipe 49. . The tip 50 of the drain pipe 49 is open to the atmosphere outside the machine. There is one drain valve 60 at the junction of the washing drainage channel 47 and the condensation drainage channel 48, and the drainage treatment means is constituted by the washing drainage channel 47, the condensation drainage channel 48, the drainage pipe 49 and the drainage valve 60.
[0026]
FIG. 3 is a cross-sectional view showing the configuration of the waste water treatment means in the vicinity of the drain valve 60. In FIG. 3, 61 is a valve for opening and closing the water channel, and 62 is a motor for rotating the valve 61. 3A, when the valve 61 is closed to the d side by the motor 62, the washing drainage channel 47 side is closed and the condensation drainage channel 48 side is opened, and when the valve 62 is rotated by the motor 62 and moved to the e side, The laundry drainage channel 47 side is open and the condensation drainage channel 48 side is closed. When the washing drainage channel 47 side is open, the condensation drainage channel 48 side is closed, thereby constituting a backflow prevention means for preventing a backflow from the washing drainage channel 47 to the condensation drainage channel 48.
[0027]
The operation and action of the washing / drying machine configured as described above will be described below. In the washing process from washing, rinsing and dewatering, when water is stored, the state of the valve 61 of the drain valve 60 is the d side in FIG. 3A, the washing drain channel 47 side is closed, and the condensation drain channel 48 side is closed. Open. Water is supplied to the washing tub 26 from a water supply valve (not shown), and is stored up to the position of the water level D in FIG. The rotating drum 28 rotates continuously or intermittently at a programmed number of rotations, and cleaning and rinsing are performed. During this time, the clothes 31 are lifted and dropped by the rotation of the rotary drum 28. When draining, the valve 61 of the drain valve 60 is set to the e side in FIG. The laundry drainage channel 47 side is open and the condensation drainage channel 48 side is closed. The water in the washing tub 26 passes through the washing drain channel 47 and the drain valve 60 and is drained out of the machine from the drain pipe 49.
[0028]
In the drying process, the valve 61 of the drainage valve 60 is set to the d side in FIG. 3A, the washing drainage channel 47 side is closed, and the condensation drainage channel 48 side is opened, and the compressor 35, the blowing means 43, and the rotary drum 28 are operated. Is done. By the operation of the blowing means 43, the drying air circulates inside the washing tub 26 and the duct 44, the flexible hose 41, the air path 40, and the flexible hose 42. The clothing 31 is agitated by the rotation of the rotating drum 28 continuously or intermittently performed at a preset number of rotations.
[0029]
By the operation of the compressor 35, the refrigerant circulates in the pipe 39, and the heat of the high-temperature and high-pressure refrigerant is radiated by the radiator 36 to heat the circulating drying air. The heated drying air is sent into the washing tub 26 as shown by an arrow C in FIG. 2, passes through the opening 46 in the bottom of the rotating drum 28 and hits the clothing 31, deprives the clothing 31 of moisture, and is humid. The air passes through the hole 45 on the side wall of the rotary drum 28, passes through the opening 56 of the washing tub 26, and is sent to the duct 44.
[0030]
The drying air that has passed through the duct 44 passes through the flexible hose 41 and is dehumidified by a heat absorber 38 as a dehumidifying means provided in the air passage 40 as indicated by an arrow B. The dehumidified drying air is sent again to the radiator 36 by the blowing means 43 and heated. Condensed water generated in the heat absorber 38 passes through the dew condensation non-water channel 48 and the drain valve 60 and is discharged out of the machine from the drain pipe 49.
[0031]
In addition, although the heat exchanger of the heat radiator 36 and the heat absorber 38 shown in a present Example has shown the tube type heat exchanger with a plate fin, the form is not specifically limited.
[0032]
FIG. 4 is a cross-sectional view showing a configuration of another drain valve 51 of Embodiment 1 of the present invention. In FIG. 4, 52 is a valve that opens and closes a water channel, 53 is a cam that converts rotational motion into reciprocating motion, 54 is a lever that supports the valve 52 and transmits the motion of the cam 53 to the valve 52, and 55 rotates the cam 53. It is a motor.
[0033]
4A is a cross-sectional view showing the position of the valve 52 where the condensation drainage channel 48 side is opened when the washing drainage channel 47 side is closed, and the cam 53 is rotated by the motor 55 so that the lever 54 is positioned at the point a. The fulcrum of has moved.
[0034]
FIG. 4B is a cross-sectional view showing the position of the valve 52 where the condensation drainage channel 48 side is closed when the laundry drainage channel 47 side is open, and the cam 53 is rotated by the motor 55 so that the lever 54 is positioned at the point b. The fulcrum of has moved. When the washing drainage channel 47 side is open, the condensation drainage channel 48 side is closed, thereby constituting a backflow prevention means for preventing a backflow from the washing drainage channel 47 to the condensation drainage channel 48.
[0035]
FIG. 5: is the perspective view which looked at the washing / drying machine which replaced with the heat source of the heat pump apparatus of Example 1 of this invention and made a heater a heat source from the back surface. In FIG. 5, 57 is a heater that heats the drying air, and 58 is a heat exchanger that cools and dehumidifies the drying air that has become wet due to moisture from the garment 31 with lower outside air. The heat exchanger 58 is an orthogonal plate fin type heat exchanger, and the air of the outside air is blown by the air-cooling blowing means 59 so as to be orthogonal to the drying air. An arrow E indicates the flow of the cooling external air blown by the air cooling blowing means 59.
[0036]
According to the above configuration, the drying air after passing through the clothing is cooled and dehumidified with air, and the condensed water generated in the heat exchanger 58 passes through the condensed drainage channel 48 and the drainage valve 51 from the drainage pipe 49. It is discharged outside the machine.
[0037]
The heat exchanger 58 is the same as a tube-type heat exchanger with a prefin, and the form of the heat exchanger is not particularly limited.
[0038]
(Example 2)
FIG. 6 is a cross-sectional view showing the configuration of the waste water treatment means in the vicinity of the drain valve according to the second embodiment of the present invention. In addition, the same structure as the said Example attaches | subjects the same code | symbol, and abbreviate | omits detailed description.
[0039]
The diameter of the condensation drainage channel 48 is smaller than the diameter of the drainage pipe 49, and the connection port 63 of the condensation drainage channel 48 is provided on the side surface of the drainage pipe 49. Therefore, the lever 54 and the like of the drain valve 51 provided in the drainage channel can be prevented from getting wet by hitting the dew condensation water 64 dripping.
[0040]
(Example 3)
FIG. 7 is a cross-sectional view showing the configuration of the waste water treatment means in the vicinity of the drain valve according to the third embodiment of the present invention. In addition, the same structure as the said Example attaches | subjects the same code | symbol, and abbreviate | omits detailed description.
[0041]
In FIG. 7, the path diameter of the condensation drainage channel 48 is smaller than the pipe diameter of the drainage pipe 49, and the connection port 65 of the condensation drainage channel 48 is provided on the substantially bottom surface of the drainage pipe 49. A U-shaped trap 66 is provided in front of 65, and the condensed water 64 flows along the substantially bottom surface of the inner wall of the drain pipe 49 and the member lever 54 of the drain valve 51 provided in the drain channel drops. In addition to preventing the water 64 from getting wet, the condensed water 64 accumulated in the U-shaped trap 66 prevents air from entering and exiting through the condensation drainage channel 48.
[0042]
(Example 4)
FIG. 8 is a flowchart of the control by the control means of the fourth embodiment of the present invention for the drain valve 60 or the drain valve 51 shown in FIG. 3 (a) or FIG. 4 (a) and (b). In addition, the same structure as the said Example attaches | subjects the same code | symbol, and abbreviate | omits detailed description.
[0043]
During washing water drainage, No is determined in step ST1, Yes is determined in step ST2, and the motor 62 of the drain valve 60 or the motor 55 of the drain valve 51 is controlled in step ST5. The 47 side is open and the condensation drainage channel 48 side is closed. While storing washing water, No is determined in Step ST1, No is determined in Step ST2, and during drying, Yes is determined in Step ST1, No is determined in Step ST3, and the washing drainage channel 47 side is closed in Step ST4. The condensation drainage channel 48 side is opened. Further, the predetermined period during drying is determined to be Yes in step ST1, Yes in step ST3, and in step ST5, the laundry drainage channel 47 side is opened and the condensation drainage channel 48 side is closed.
[0044]
To drain condensed water during drying, the condensation drainage channel 48 side is open and the laundry drainage channel 47 side is closed. However, drying is accelerated by releasing moisture in the washing tub 26, drying air temperature is reduced, and refrigerant temperature is reduced. In order to replace a part of the circulating drying air with the outside air for the purpose of, for example, a period in which the condensation drainage channel 48 side is closed and the laundry drainage channel 47 side is opened during the drying by a control means (not shown) Using a drain pipe 49 opened to the atmosphere, air is discharged or sucked from the washing drainage channel for a predetermined period, and condensed water from the condensation drainage channel 48 is discharged during the other period. Is.
[0045]
(Example 5)
FIGS. 3B and 4C are cross-sectional views showing the operation of the drain valve 60 or the drain valve 51 by the control means of the fifth embodiment of the present invention, and FIG. 9 is a fifth embodiment of the present invention. It is a flowchart which shows the control by the control means. In addition, the same structure as the said Example attaches | subjects the same code | symbol, and abbreviate | omits detailed description.
[0046]
In FIG. 3 (b), the motor 62 is rotated by the control of the control means (not shown), and the valve 61 of the drain valve 60 is stopped at the position f in FIG. 3, and in FIG. 4 (c) Is controlled by a control means (not shown), the motor 55 rotates and the fulcrum of the cam 53 moves to the point c, the valve 52 of the drain valve 51 stops at the position shown in the figure, and the washing drain 47 is opened. The condensation drainage channel 48 is also opened when opened.
[0047]
The control means controls the flowchart of FIG. During washing water drainage, it is determined No in step ST11, Yes in step ST12, the motor 62 of the drain valve 60 or the motor 55 of the drain valve 51 is controlled in step ST15, and the washing drainage channel is controlled by the valve 61 or valve 52. The 47 side is open and the condensation drainage channel 48 side is closed. While the washing water is being accumulated, No is determined in Step ST11, No is determined in Step ST12, and during drying, Yes is determined in Step ST11, No is determined in Step ST13, and the washing drainage channel 47 side is closed in Step ST14. The condensation drainage channel 48 side is opened.
[0048]
Further, the predetermined period during drying is determined to be Yes in step ST11, Yes in step ST13, and in step ST16, the laundry drainage channel 47 side is opened and the condensation drainage channel 48 side is also opened. In order to discharge condensed water during drying, the condensation drainage channel 48 side is open and the laundry drainage channel 47 side is closed. However, drying is accelerated by releasing moisture in the washing tub 26, drying air temperature is reduced, refrigerant temperature is reduced, etc. Therefore, in order to replace a part of the circulating drying air with the outside air, the control means performs control to provide a period during which the condensation drainage channel 48 side is open and the laundry drainage channel 47 side is also open during the drying. In addition, air is discharged or sucked from the washing drainage channel 47 and the condensed water is discharged from the condensation drainage channel 48 for a predetermined period using the drainage pipe 49 opened to the atmosphere.
[0049]
(Example 6)
FIG. 10 is a side sectional view of the washing / drying machine of Example 6 of the present invention. In addition, the same structure as the said Example attaches | subjects the same code | symbol, and abbreviate | omits detailed description.
[0050]
FIG. 10 shows a case where the heat absorber 38 that is a dehumidifying means cannot be disposed upward due to the configuration. Condensed water accumulates at a position lower than the installation position of the drain valve 60, and the condensed water is directly applied to the drain valve 60. Cannot drain. The wastewater treatment means of the present invention comprises a drainage tank 67 that stores condensed water and a drainage pump 68 that pumps up the water in the drainage tank 67, and the water inlet 69 of the drainage pump 68 is a substantially bottom portion of the drainage tank 67. The discharge port 70 of the drainage pump 68 is connected to the condensation drainage channel 48. By forcibly pumping the dew condensation water with the drainage pump 68, it is possible to connect the drainage pipe 49 at the position of the drainage valve 60, and the washing drainage path 47 and the condensation drainage path 48 are connected to one drainage pipe 49. Can be discharged outside.
[0051]
(Example 7)
FIG. 11 is a flowchart of the control means of the washing / drying machine of Embodiment 7 of the present invention. In addition, the same structure as the said Example attaches | subjects the same code | symbol, and abbreviate | omits detailed description.
[0052]
Since the pumping amount of the drainage pump 68 is smaller than the amount of condensed water generated during drying, the amount of water accumulated in the drainage tank 67 increases during the drying due to the difference. The capacity of the drain tank 67 is larger than the amount of accumulated water, and the drain pump 68 is operated even after the drying is completed to pump up the remaining water in the drain tank 67.
[0053]
In the flowchart of FIG. 11, during the drainage of the washing water, the control means determines No in step ST21, No in step ST22, Yes in step ST23, and motor 62 of the drain valve 60 or motor of the drain valve 51 in step ST25. 55, the washing drainage channel 47 side is opened and the condensation drainage channel 48 side is closed by the valve 61 or the valve 52. While the washing water is being accumulated, it is determined No in step ST21, No in step ST22, No in step ST23, and in step ST24, the washing drainage channel 47 side is closed and the condensation drainage channel 48 side is opened.
[0054]
During drying, Yes is determined in step ST21, and the drainage pump 68 is operated in step ST26. While the drainage pump 68 is in operation, the dew condensation drainage channel 48 side is open regardless of the determination in step ST28. After completion of the drying, it is determined No in step ST21, Yes in step ST22, and the drainage pump 68 is operated for a predetermined period until the drainage tank 67 runs out of water. During this time, the condensation drainage channel 48 side is opened in step ST29 or ST24.
[0055]
With the configuration and control as described above, it is possible to treat a predetermined amount of water collected from clothing even with the drainage pump 68 with a small pumping amount.
[0056]
【The invention's effect】
As described above, according to the first and second aspects of the present invention, the drainage valve constitutes the backflow prevention means for preventing the washing drainage from flowing back to the condensation drainage channel, and the drainage pipe is connected to the outside of the machine. It is possible to realize a simple waste water treatment means capable of draining water.
[Brief description of the drawings]
FIG. 1 is a partially cutaway perspective view of a washing / drying machine according to a first embodiment of the present invention. FIG. 2 is a side sectional view of the washing / drying machine. Cross-sectional view showing the opening operation of the drainage channel (b) Cross-sectional view showing the opening operation of the washing drainage channel and the condensation drainage channel of the drainage valve of the washing and drying machine of Example 5 of the present invention. Sectional drawing which shows the structure of another drainage valve of the washing / drying machine of Example 1 and the opening operation of the condensation drainage channel (b) Sectional diagram showing closing operation of the condensation drainage channel of the other drainage valve of the washing / drying machine c) Sectional view showing opening operation of washing drainage channel and condensation drainage channel of another drainage valve of Example 5 of the present invention. FIG. 5 shows a heat source of the washing dryer according to Example 1 of the present invention. FIG. 6 is a sectional view of the waste water treatment means of the washer / dryer according to the second embodiment of the present invention. FIG. 7 is a cross section of the waste water treatment means of the washer / dryer according to the third embodiment of the present invention. FIG. 8 is a flowchart of the control means of the washer / dryer according to the fourth embodiment of the present invention. FIG. 9 is a flowchart of the control means of the washer / dryer according to the fifth embodiment of the present invention. FIG. 11 is a side sectional view of a washing and drying machine. FIG. 11 is a flowchart of a control unit of the washing and drying machine according to a seventh embodiment of the present invention.
38 Heat Absorber 47 Washing Drainage Channel 48 Condensation Drainage Channel 49 Drainage Pipe 51, 60 Drainage Valve 52, 61 Valve 53 Cam 54 Lever 55, 62 Motor 58 Heat Exchanger 59 Air Cooling Blower 63, 65 Connection Port 64 Condensation Water 66 U Trap 67 Drain tank 68 Drain pump 69 Water intake 70 Discharge port

Claims (2)

  Washing and drying clothes placed in the same tank, dehumidifying means that cools the drying air and collects moisture as condensed water at the time of drying, a washing drainage channel for draining washing water, A condensation drainage channel for allowing condensed water to flow, a drainage valve provided at a junction of the washing drainage channel and the condensation drainage channel, a drainage tank for storing the condensed water at a position lower than the drainage valve, and the condensation drainage channel. A drainage pump for pumping condensed water in the drainage tank; and a control means for controlling the drainage valve. The drainage pump has a suction port connected to the drainage tank, and the drainage pump discharge port is connected to the drainage pump. Connected to a condensation drainage channel leading to a valve, the control means controls the drainage valve so that the condensation drainage channel side is closed when the washing drainage channel is open when washing water is drained, and the drainage pump is When operating Washing and drying machine condensation drainage path side is adapted to control the drain valve such that the open. When the amount of pumped water from the drainage pump is less than the amount of condensed water generated during drying, and the amount of water collected in the drainage tank increases due to the difference between the amount of condensed water generated during drying and the amount pumped by the drainage pump , the drainage with the tank has a greater capacity than the amount of water accumulated during the drying, the control means, after completion of the drying was also as to operate the drainage pump pumps the remaining water in the drainage tank according to claim 1 washing and drying machine according.

Images