JP2000225287A - Full-automatic washing and drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a full-automatic washing and drying machine of a compact shape by allowing hot air to pass through a passage circulating a blower, a heater, a washing and dehydrating tub and a heat exchange in a washing machine automatically executing from washing to drying and adopting the heat exchange of air-cooling type. SOLUTION: In the washing and drying machine, hot air by the blower 33 and the heater 32 forms the passage circulating the blower 33, the washing and dehydrating tub 25, the heat exchange 31, the heater 32 and the blower 33, and the heat exchange of air-cooling type is adopted. Since the heat exchange of air-cooling type is adopted, the whole constitution is made compact and execution from washing to drying is fully automated in the state of unnecessitating many additional parts.

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 and drying machine which can be used in a general household from washing to drying.

[0002]

2. Description of the Related Art As a new fully automatic washing and drying machine, the inventors of the present invention have previously proposed a washing machine having a shape shown in FIG. First, the configuration of the fully automatic washing and drying machine shown in this proposal will be described with reference to FIG. 1 is a housing of a fully automatic washing and drying machine, and 2 is a receiving cylinder. 3 is the receiving cylinder 2
Is a suspension mechanism for suspending and supporting the suspension from the housing 1. Reference numeral 4 denotes a washing / dehydrating shaft having a hollow biaxial structure, 5 denotes a clutch for switching transmission of rotational force to the washing / dehydrating shaft during washing or dehydrating, 6 denotes a washing / dehydrating tub, and 7 denotes a washing / dehydrating tub. It is a fluid balancer provided in. Reference numeral 8 denotes a motor provided at the bottom of the receiving cylinder 2; 9 denotes a pulsator provided at the center bottom of the washing and dewatering tub;
Is provided. Numeral 11 denotes rib-shaped wings formed radially from the central portion of the pulsator through the inclined surface 10 at the outer peripheral portion to almost the outer edge. Reference numeral 12 denotes a drain cock, and 13 denotes a blower for blowing hot air for drying. The warm air passes through the heater 14 and from the upper passage 15 through the bellows hose.
, And is fed into the washing and dewatering tub 6 through the inner lid 17. Reference numeral 18 denotes a water-cooled heat exchange unit, 19 denotes a cooling water supply unit, and 20 denotes a cloth to be dried.

The operation of the above-described fully automatic washing and drying machine will be described below. For washing, clothes and water or hot water and detergent are put into the washing and dewatering tub 6, the clutch of the transmission mechanism 5 is set to the washing side, and the power of the motor 8 is transmitted to the pulsator 9 via the washing shaft. By rotating the pulsator 9, the clothes are
Is advanced by being rotated in the water by the rib-shaped wings 11 of.

[0004] In the dehydration, after the washing is completed, the water in the washing and dewatering tub 6 is drained by opening the drain cock 12 and then the clutch of the transmission mechanism 5 is switched to the dehydrating side to dehydrate the power of the motor 8. The washing and dewatering tub 6 is rotated through a shaft to apply centrifugal force to the laundry, thereby separating water from the laundry.

[0005] In the drying, first, the pulsator 9 is slowly rotated to peel off the laundry stuck to the inner wall of the washing and dewatering tub 6 by centrifugal force at the time of dehydration, and then the pulsator 9 is instantaneously crushed. , And the laundry is disturbed so as to be lifted up in the washing and dewatering tub 6.
In this state, the air blower 13 for the hot air blower is turned on.
The washing and dewatering tub 6 is blown into the washing and dewatering tub 6 through the inner lid 16. This warm air takes the moisture of the material to be dried in the washing and dewatering tub 6 and
After passing through, the air passes through the heat exchange unit 17 and is dehumidified, and then returns to the blower 13 again. The drying proceeds, including the instantaneous rotation of the pulsator 9 in the reverse direction, and this process is repeated.

[0006]

The proposed fully automatic washing / drying machine having the above-mentioned structure is complicated and large as a whole due to the structure having a water-cooled heat exchange section. Therefore, reducing the size of the heat exchange section has been an issue. In addition, there is a possibility that heat exchange performance may be reduced by reducing the size of the heat exchange unit.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and does not provide a large-scale heat exchanger such as a water-cooled type, but provides an air-cooled type heat exchanger by modifying the conventional components. It is intended to function and to simplify the overall configuration. Another object of the present invention is to obtain a fully automatic washing and drying machine in which the heat exchange performance of the air-cooled heat exchanger is improved.

[0008]

SUMMARY OF THE INVENTION In order to solve this problem, the present invention eliminates the cooling water supply section of the water cooling type heat exchange section in the previously proposed fully automatic washing and drying machine, and provides a circulation passage and a receiving passage. By exposing air to the outer surface of the cylinder, heat is exchanged, thereby making the entire structure simple.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION
A housing, a substantially cylindrical washing and dewatering tub included in the housing and rotated in a horizontal direction about a substantially vertical axis, and a substantially cylindrical shape including the washing and dewatering tub and concentric with the washing and dewatering tub. A receiving cylinder, a suspension for instructing the receiving cylinder to be suspended from the housing, a motor, a heater, and a drying blower,
At the time of drying, the warm air heated by the heater is blown onto the object to be dried inside the washing and dewatering tub by a blowing action of the drying blower, and then heat is exchanged on the surface inside the receiving cylinder. To separate the contained water.

The second aspect of the present invention is the first aspect.
Through the heater, drying blower, washing and dewatering tub, and the receiving cylinder to form a substantially closed circulation path, and forcibly by an air blower from the outside to the air-cooled heat exchanger part such as the receiving cylinder. The cooling air is applied.

According to a third aspect of the present invention, an air-cooled heat exchange function is provided in a part of a circulation path extending from the lower part of the receiving cylinder to the upper part of the washing and dewatering tub.

According to a fourth aspect of the present invention, the circulation path from the lower part of the receiving cylinder to the upper part of the washing and dewatering tub is housed in a dead space at the corner of the housing, so that the whole is compact.

According to a fifth aspect of the present invention, there is provided a fully automatic washing / drying machine in which a constituent material of a circulation path from a lower part of a receiving cylinder to an upper part of a washing and dewatering tub is made of metal having excellent heat conduction characteristics. It is what it was.

The invention according to claim 6 of the present invention has a structure in which a metal having excellent heat conduction properties is used for a constituent part of a receiving cylinder.
This is a fully automatic washing and drying machine.

According to a seventh aspect of the present invention, there is provided a fully automatic washing / drying machine having a configuration in which a radiation fin is provided on an outer wall portion of a circulation path from a lower portion of a receiving cylinder to an upper portion of a washing and dewatering tub. is there.

The invention according to claim 8 of the present invention is an article wherein the shape of the outer wall surface of the receiving cylinder is set to a waveform or a shape provided with several ribs, so that it is early in the fully automatic center period.

According to a ninth aspect of the present invention, a thin plate guide is provided on the outer wall surface of the receiving cylinder to guide an introduced airflow from the outside, and the thin plate guide is shared with a radiation fin. This is an automatic washing and drying machine.

[0018]

(Embodiment 1) A first embodiment of the present invention will be described with reference to FIG.

In FIG. 1, reference numeral 21 denotes a housing, in which a receiving cylinder 23 suspended from the housing 21 by a plurality of suspensions 22 is installed. Reference numeral 24 denotes a motor unit including a washing / dehydrating shaft, a clutch for switching transmission of rotational force between the washing shaft and the dehydrating shaft during washing or spinning, and a mechanism for transmitting rotation. Fixed. A washing and dewatering tub 25 is provided inside the receiving tube 23, and a pulsator 26 having a pot-like shape is provided at a lower portion thereof, and a substantially radial rib 27 is integrally formed on the surface thereof. I have. From the bottom surface of the receiving cylinder 23, a drain hose 28 is provided with a valve 29, and a dry air recirculation passage 30 is provided through a switching valve 31 in the middle. The drying passage recirculation passage 30 is connected to an air-cooled heat exchange unit 31, and further passes through a heating heater 32, a circulating blower fan 33, and a telescopic hose 34, and the upper cover 3 of the receiving cylinder 23.
After connecting to 5, it circulates into the washing and dewatering tub 25. Reference numeral 36 denotes a cover of an input port provided at an upper portion of the receiving cylinder 23, and reference numeral 37 denotes an object to be dried.

Next, the operation of this embodiment will be described.

First, from the washing to the spin-drying, the clothes are thrown into the washing / dewatering tub 25 through the throw-in lid 36, and the washing starts by the rotation of the pulsator 26. Thereafter, the operation proceeds by the operation of a normal fully automatic washing machine, which is to shift to dehydration. Then the process of drying starts. The wind becomes warm air by the blowing operation of the blower 33 and the heat generated by the heater 32, and is sent to the washing and dewatering tub 25 through the telescopic hose 34. The dried material 37, for which dehydration has been completed, is thrown upward by the ribs 27 on the surface with the rotation of the pulsator 26, and the hot air hits it. Then, moisture of the laundry is taken and turned into moist air, passes through the side surface of the washing and dewatering tub 25, passes through the space between the outer wall of the washing and dewatering tub 25 and the inner wall of the receiving tube 23, and Lower circulation path 30
Go into. Thereafter, as indicated by an arrow, the air passes through the air-cooled heat exchange section 31, passes through the heater 32, and returns to the blower fan 33 again. During this process, the moist hot air touches the inner wall of the receiving cylinder 23 and the inner wall of the air-cooled heat exchange section, and is dehumidified on those surfaces, and the heater 3
When it reaches 2, it is cold dry air. By repeating the process of heating the dried air and hitting the object to be dried 37 again, the drying proceeds.

(Embodiment 2) FIG. 2 shows a second embodiment of the present invention.
It will be described based on.

Among the contents of the present embodiment, the same parts as those in the first embodiment use the same figures and the same numbers, and here, only the figures and numbers different from those in the first embodiment will be described. Describe. That is, in the drawing, reference numeral 38 denotes a cooling air blower attached to the side surface of the housing 21, which is mounted so as to blow external air into the housing.

The operation of the present invention will be described below. As for the operation, there are some parts common to the first embodiment.
Only the characteristic features of this embodiment will be described. That is, in the case of the present embodiment, since the cooling flow is introduced from the outside of the housing 21, cool air is always blown to the receiving cylinder 23. As a result, the receiving cylinder 23 is constantly cooled, and the circulating flow containing moisture therein is efficiently dehumidified, and drying proceeds quickly.

(Embodiment 3) FIG. 3 shows a third embodiment of the present invention.
It will be described based on. As in the second embodiment, in the contents of the present embodiment, the same components as those in the first embodiment use the same drawings and the same numbers. Is described only. That is, in the figure, 39
Is an air-cooled heat exchange unit, which is installed outside the housing 21. Reference numeral 40 denotes a drain hole provided below the heat exchange unit 39.

The operation of the present invention will be described below. Since the operation from the washing to the drying is common to that of the second embodiment, only the characteristics of this embodiment will be described. That is, since the air-cooled heat exchange unit 39 is exposed to the outside of the housing 21, the surface thereof is always cooled. Therefore, in the heat exchange section 39, dehumidification is performed efficiently, and drying proceeds quickly. Since there is much dehumidified water, it can be discharged from the drain 40.

(Embodiment 4) FIG. 4 shows a fourth embodiment of the present invention.
It will be described based on.

As in the second embodiment, in the contents of this embodiment, the same parts as those in the first embodiment use the same figures and the same numbers. Describes figures and numbers for only those with different contents. That is, in the drawing, reference numeral 41 denotes an air-cooled heat exchange unit provided in a corner portion between the receiving cylinder 23 and the inside of the housing 21.

The operation of the present invention will be described below. For the operation, from basic washing to drying,
Since the second embodiment is common to the first embodiment, only the characteristic features of the second embodiment will be described. That is, since the air-cooled heat exchange unit is installed at the corner of the housing 21, the whole unit is compact and can realize from washing to drying.

(Embodiment 5) FIG. 2 shows a fifth embodiment of the present invention.
It will be described based on. Since the contents of the present embodiment include some parts having the same configuration as that of the second embodiment, similar to the above-described embodiment, the contents of the present embodiment are the same as those of the second embodiment. The same figures and the same numbers are used for the same parts, and here, different contents from the second embodiment will be described. That is, the air-cooled heat exchange unit 31 is made of aluminum, which is a material having excellent heat conduction characteristics.

The operation of the present invention will be described below. The operation is basically the same as that of the second embodiment, and therefore, only the characteristic features of the present embodiment will be described. That is, since the material of the air-cooled heat exchange unit 31 is aluminum, the heat exchange characteristics here are remarkably improved, and this significantly improves the drying efficiency. This makes it possible to obtain a fully automatic washing and drying machine with high drying efficiency.

(Embodiment 6) FIG. 2 shows a sixth embodiment of the present invention.
It will be described based on. Since the contents of the present embodiment include portions having the same configuration as the second embodiment, only the features characteristic to the present embodiment will be described in the same manner as the above-described embodiment. That is, the material of a part of the cylindrical surface of the receiving cylinder 23 is
It is made of aluminum, which has excellent heat conduction properties.

The operation of the present invention will be described below. The operation is basically the same as that of the second embodiment, and therefore, only the characteristic features of the present embodiment will be described. That is, since a part of the material of the cylindrical portion of the receiving cylinder 23 is made of aluminum, the heat exchange characteristics here are remarkably improved, and this significantly improves the drying efficiency. This makes it possible to obtain a fully automatic washing and drying machine with high drying efficiency.

(Embodiment 7) FIG. 6 shows a seventh embodiment of the present invention.
It will be described based on. The contents of the present embodiment include some parts having the same configuration as the above-described fourth embodiment, so that the contents of the present embodiment are the same as those of the fourth embodiment. The common parts use the same figures and the same numbers, and here, the contents different from those of the fourth embodiment are described. That is, a plurality of electric heating ribs 42 are provided on the outer wall of the air-cooled heat exchange unit 41 provided at the corner of the housing 21.

The operation of the present invention will be described below. Since the operation is basically the same as that of the fourth embodiment, only the characteristic features of this embodiment will be described. That is, since the heat transfer ribs 42 are provided on the outer wall of the air-cooled heat exchange section 41, the heat radiation characteristics here are improved, so that the heat exchange characteristics are significantly improved, and this improves the drying efficiency. It is a thing that improves dramatically. This makes it possible to obtain a fully automatic washing and drying machine with high drying efficiency.

(Embodiment 8) An eighth embodiment of the present invention is shown in FIG.
It will be described based on. The contents of the present embodiment include some parts having the same configuration as the above-described seventh embodiment, so that the contents of this embodiment are the same as those of the seventh embodiment. The common parts use the same drawings and the same numbers, and here, the contents different from those in the seventh embodiment are described. That is, the side wall of the receiving cylinder 43 is corrugated.

The operation of the present invention will be described below. The operation is basically the same as that of the seventh embodiment, and therefore, only the characteristic features of this embodiment will be described. That is, since the side wall of the receiving cylinder 43 has a waveform,
The surface area is increased, so that the heat radiation characteristics here are improved. As a result, the heat exchange characteristics are significantly improved, which significantly improves the drying efficiency. This makes it possible to obtain a fully automatic washing and drying machine with high drying efficiency.

(Embodiment 9) FIG. 8 shows a ninth embodiment of the present invention.
It will be described based on. The contents of this embodiment include some parts having the same configuration as that of the second embodiment. Therefore, similarly to the above-described embodiment, the contents of this embodiment include the second embodiment and the second embodiment. The common parts use the same figures and the same numbers, and here, the contents different from those in the second embodiment will be described. That is, a guide wall 45 is provided over the entire receiving cylinder 44 starting from a position facing the cooling fan 38 on the side wall of the receiving cylinder 44.

The operation of the present invention will be described below.

As for the operation, for the basic part,
Since the second embodiment is almost the same as the second embodiment, only the characteristic features of this embodiment will be described. That is, due to the effect of the guide 45 provided on the side wall of the receiving cylinder 44, the air blown by the cooling fan 38 is received along the guide 45 and spreads over the entire surface of the 44. Therefore, the heat radiation characteristics here are improved, and thereby the heat exchange characteristics are dramatically improved, which significantly improves the drying efficiency. This makes it possible to obtain a fully automatic washing and drying machine with high drying efficiency.

[0041]

As is apparent from the above embodiment, according to the first aspect of the present invention, by using the air-cooled heat exchange unit, it is possible to realize the washing to drying in a compact shape. It is possible to obtain a fully automatic washing and drying machine.

According to the second aspect of the present invention, since the air flow for cooling is guided from the outside of the casing to the inside, the effect of improving the heat exchange performance is obtained, and the compact and drying efficiency is obtained. It is possible to obtain a good fully automatic washing and drying machine.

Further, according to the third aspect of the present invention, since a part of the circulation path of the drying air is in contact with the air, heat exchange progresses even during the circulation of the drying air, whereby In addition, it is possible to obtain a fully automatic washing and drying machine with high drying efficiency.

According to the fourth aspect of the present invention, the circulating path is accommodated in the corner portion of the inside of the housing, so that the automatic washing and drying can be realized in a more compact shape and the washing to drying can be realized through. It is possible to get a machine.

According to the fifth aspect of the present invention,
By using a metal with excellent heat conduction characteristics in the circulation path through which the drying air stream circulates, the heat exchange characteristics in this part are improved, making it possible to obtain a compact, fully automatic washing and drying machine with high drying efficiency. It has become.

According to a sixth aspect of the present invention, there is provided an article having a structure in which a metal having excellent heat conduction properties is used for a constituent portion of a receiving cylinder, and has improved cooling performance.

According to the seventh aspect of the present invention, since the radiation fins are provided on the outer wall surface of the circulation path through which the drying air flow circulates, the heat exchange characteristics at this portion are improved, and the apparatus is compact and more compact. It is possible to obtain a fully automatic washing / drying machine with high drying efficiency.

According to the eighth aspect of the present invention,
By making the shape of the outer wall surface of the receiving cylinder corrugated, the heat exchange characteristics at this portion are improved, and it is possible to obtain a compact, fully automatic washing and drying machine with high drying efficiency.

According to the ninth aspect of the present invention, a guide wall for guiding cooling air introduced from the outside of the housing is provided on the outer wall surface of the receiving cylinder, so that heat exchange characteristics at this portion are improved. It is possible to obtain an improved, compact and fully automatic washing / drying machine with high drying efficiency.

[Brief description of the drawings]

FIG. 1 is a sectional view of a first embodiment of a fully automatic washing and drying machine of the present invention.

FIG. 2 is a sectional view of a fully automatic washing and drying machine according to the second, fifth and sixth embodiments.

FIG. 3 is a cross-sectional view of the fully automatic washing and drying machine of the third embodiment.

FIG. 4 is a sectional view of a fully automatic washing and drying machine according to a fourth embodiment;

FIG. 5 is a sectional view of a fully automatic washing and drying machine according to the fourth embodiment.

FIG. 6 is a sectional view of a fully automatic washing and drying machine of the seventh embodiment.

FIG. 7 is a sectional view of the fully automatic washing and drying machine of the eighth embodiment.

FIG. 8 is a sectional view of a fully automatic washing and drying machine according to a ninth embodiment;

FIG. 9 is a side sectional view of a conventional fully automatic washing and drying machine.

[Explanation of symbols]

 Reference Signs List 21 housing 23 washing and dewatering tub 33 circulation fan 34 bellows-shaped telescopic tube 38 cooling fan 39, 41 heat exchange part 42 heat transfer rib 43, 44 receiving cylinder 45 guide wall

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshifumi Takagi 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. Terms (Reference) 3B155 AA16 BB15 BB18 CA06 CB07 CB49 CB52 CB53 CB55 CB69 DA02 DA03 MA01 MA02

Claims (9)

[Claims] 1. A housing, a substantially cylindrical washing and dewatering tub contained in the housing and rotating in a horizontal direction about a substantially vertical axis, and a washing and dewatering tub contained therein and concentric with the washing and dewatering tub. A receiving cylinder having a substantially cylindrical shape, a suspension for instructing the receiving cylinder to suspend from the housing, a motor, a heater, and a blower for drying, and when drying, the warm air heated by the heater is the hot air. A fully automatic washing and drying machine which is blown by an air blowing action of a drying air blower onto an object to be dried in the washing and dewatering tub, and thereafter heat-exchanges on an inner surface of the receiving cylinder to separate contained moisture. 2. A circulation path which connects the receiving cylinder, the heater, the drying machine, and the washing and dewatering tub by a substantially closed path,
2. The fully automatic washing and drying machine according to claim 1, further comprising a cooling blower for guiding outside air from outside the housing toward the inside of the housing. 3. The fully automatic washing / drying machine according to claim 2, wherein an air-cooling type heat exchange function is provided by making a part of the circulation path contact with air. 4. The fully automatic washing and drying machine according to claim 2, wherein most of the circulation path is housed in a corner of the housing. 5. A part of a circulation path through which air blown by a drying blower circulates is made of metal having excellent heat conduction characteristics.
The fully automatic washing and drying machine as described. 6. A fully automatic washing / drying machine according to claim 1, wherein a metal having excellent heat conduction properties is used for a part of the cylindrical surface or the bottom surface of the receiving cylinder. 7. The fully automatic washing and drying machine according to claim 2, wherein a radiation fin is provided on an outer wall or a part of an inner wall of the circulation path. 8. The fully automatic washing and drying machine according to claim 1, wherein the shape of the outer wall surface of the receiving cylinder is corrugated or a shape provided with several ribs. 9. A fin-shaped thin plate protruding from the outer wall surface of the receiving cylinder, serves as a thin plate guide for guiding an introduced airflow from the outside, and is shared with a radiation fin.
The fully automatic washing and drying machine as described.