JPH06327896A - Washer with warmair/water feeding device - Google Patents

Abstract

PURPOSE: To increase washing force and detergent dissolving force by providing a hot air/hot water supply means for circulating and supplying hot air to a washing tub at the time of a drying process and supplying washing water at a high temperature to a water tub at the time of a water supply process and attaining the constitution of utilizing a heating means for heating air and heating the washing water. CONSTITUTION: A relatively wide first space 450 is formed between a housing 100 and a water tub 600, a relatively narrow second space 650 is formed between the water tub 600 and a washing tub 400, and a guide member 560 for supplying hot water and the hot air to this washing machine is installed to the upper one side of the first space 450. In the inside of the guide member 560, a blower 530 for mixing external air and supplying it to the washing machine, a water supply port 760 connected to a water supply pipe 750 for supplying the washing water to the washing machine and a heater 510 for heating the external air and the washing water are installed. Also, in order to discharge the hot air containing the large amount of moisture by being in contact with laundry, an overflow pipe 820 extended between a water discharge valve 700 and the upper part of the water tank 600 and a duct 830 for circulating the hot air are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine provided with a warm air / warm water supply device, and more specifically, to the warm air that has passed through a laundry during a drying process in a state where moisture is removed. By recirculating to the air intake to increase the thermal efficiency and the drying efficiency, the heating means for heating the air is used to heat the wash water supplied during the water supply process to heat the wash water, thereby washing power. And a washing machine provided with a warm air / warm water supply device having an increased detergent dissolving power.

[0002]

2. Description of the Related Art FIG. 1 is a sectional view showing a structure of a general dry washing machine having a drying function. As shown in the drawing, a conventional dry-washing machine includes a housing 100 having a cover on an upper portion thereof, and a water tank 600 arranged inside the housing 100 with a constant space therebetween. Inside the water tank 600, the water tank 600 is further provided.
The washing tub 400 is arranged with a constant space.

A driving unit 200 installed in the lower part of the housing 100 and providing a driving force necessary for the washing machine includes a motor 203 for generating the driving force, and a driving force generated by the motor 203 for the agitator 300. A pulley 202 that transmits to the washing tub 400, a gear box 201, and a clutch 204 that interrupts the driving force of the motor 203.

A water inlet 750 for supplying washing water to the water tank 600 is installed in the upper stage of the housing 100, and a drain valve 700 for discharging the washing water to the outside is provided in the water tank 6.
It is installed at the bottom of 00.

In order to supply warm air to the washing machine during the drying process, the upper space formed between the housing 100 and the water tub 600 draws in external air from the suction port 570 and forcibly blows air to the washing tub 400. A blower 530 for heating, a heater 510 for heating the sucked air to a high temperature, a guide member 550 for accommodating the blower 530 and the heater 510 and for guiding external air to the washing tub 400 are installed. .

The heater 5 is provided on the outer surface of the guide member 550.
A thermostat 520 for preventing overheating of 10 is installed.

Further, the hot air supplied during the drying process comes into contact with the laundry and a duct 800 for discharging the hot air, which is changed into moist air, extends from one side of the drain valve 700, An opening 810 located at the top of the housing 100.
Connected to.

The operation of the conventional washing machine having the above-mentioned construction, which performs not only the washing and dehydrating functions but also the drying function, can be briefly considered as follows. When the machine is operated, washing water is supplied through the water supply port 750. When the washing water is sufficiently supplied, the agitator 300 is rotated left and right by the driving unit 200 to perform the washing function.

When the washing process is completed, the dehydration process is performed through the draining process and the rinsing process. During the dehydration process, the drain valve 700 is opened, the clutch 204 transmits the driving force of the motor 203 to the washing tub 400, and the washing tub 40.
0 will rotate at high speed.

When the dehydration process is completed, the agitator 300 is intermittently rotated to rotate the laundry, and at the same time, the blower 530 and the heater 510 are operated to wash the washing tub 400, and further the washing tub 400 and the water tub. A drying function of supplying warm air to dry the laundry is performed in a space formed between the space 600 and the space 600.

That is, the warm air that is forcibly blown is supplied directly to the washing tub 400, or through the plurality of through holes (not shown) formed in the body of the washing tub 400 (not shown).
0, the laundry is heated and dried, and then changed into moist air and discharged to the outside through the drain valve 700 and the duct 800.

[0012]

However, the washing machine provided with the drying function described above has many drawbacks as described below.

That is, in the conventional dry washing machine, since the hot air that has exchanged heat with the laundry is discharged to the outside as it is, heat loss occurs.

In order to remedy the above-mentioned drawbacks, if the heat-exchanged warm air is recirculated, the air containing a large amount of water is supplied to the washing tub, so that the drying efficiency of the washing machine is improved. It is lowered and the drying time becomes longer.

Further, the warm air containing a large amount of water cannot be discharged to the outside through the duct, and is flowed back to the upper part of the water tub through the through hole formed in the body of the washing tub again to improve the drying efficiency. It will be further reduced.

In addition, in the above washing machine, the washing power can be increased by using the low temperature water supplied from the tap as the washing water as it is, even though the heater is installed. The opportunities that can be used cannot be effectively utilized.

Especially during the winter season, it is urgently required that the temperature of the feed water be further lowered to take advantage of the above mentioned opportunities.

The present invention is intended to solve the above-mentioned problems, and its first purpose is to recirculate warm air that has been heat-exchanged with the laundry to increase the heat efficiency. Is provided.

A second object of the present invention is to provide a washing machine in which the drying efficiency is increased by removing the water from the hot air containing a large amount of recirculated water and circulating it. is there.

A third object of the present invention is to prevent the hot air containing a large amount of water, which is heat-exchanged with the laundry from flowing back to the upper part of the water tub, thereby further improving the drying efficiency. Is provided.

A fourth object of the present invention is to provide a washing machine in which the washing power and the dissolving power of the detergent are increased by using the heating means for heating the supply air and supplying the washing water by converting it into warm water. To do.

[0022]

In a washing machine to which the present invention is applied, hot air is supplied to the washing tub during a drying process, and hot washing water is supplied to the water tub during a water supplying process. Means and a warm air guide means for recirculating hot air containing a large amount of water by the hot air / warm water supply means in contact with the laundry in the washing tub during the drying process, and the warm air. Warm air / warm water composed of water removing means for removing water from hot air recirculated by the guiding means, and warm air backflow blocking means formed by surrounding the upper inner peripheral edge of the water tank with a ring. Provide a supply device.

The warm air / warm water supply means is installed in an upper space between the housing and the water tank, and one end of the opening is connected to the housing to form an air intake port, which is opened. The other end is connected to the water tub and forms a guide means for forming an air / laundry water outlet; and a blower means installed in the air inlet for circulating air during the drying process.
Inside the guide means, a water supply means arranged at a position facing the blower means, and a heating means installed between the blower means and the water supply means for heating the circulating air and the wash water. To be done.

Further, the water supply means is connected to a water tap, and is provided with a water supply port arranged above the heating means, and a supply water dispersion member arranged between the heating means and the water supply port. It is composed.

With the hot air / warm water supply device of the present invention having the above-described structure, the washing water supplied from the water supply means during the water supply stroke is heated in a state of being uniformly dispersed through the supply water dispersion means. After passing through the means, the water is changed by hot water and then flows into the water tank through the outlet of the guiding means.

Therefore, the detergent is easily dissolved and the washing power is improved.

Further, after the dehydration process is completed and the drying process is performed, the cool air introduced by the air blowing means through the air removing port of the guide means and the moisture removing means is changed into warm air through the heating means. Through the outlet of the guide means into the washing tub. The warm air that has flowed into the washing tub comes into contact with the laundry to dry the laundry, and then is circulated to the water removing means and the guiding means through the drain valve and the warm air guiding means.

The hot air which deprives the laundry of moisture and is recirculated in a high humidity state is mixed with the cold air in the moisture removing means to have its temperature lowered to a point below the dew point, and after the moisture is removed, The temperature is raised again by the blowing means and the heating means, and the temperature is flown into the washing tub.

Since the air having a low humidity and a high temperature is continuously supplied by the warm air supply device that operates as described above, the washing machine to which the present invention is applied has the same thermal efficiency and drying efficiency. It will increase.

Further, the warm air backflow blocking device installed on the inner peripheral edge of the upper side of the water tub allows the hot air passing through a large number of through holes formed in the body of the washing tub to be discharged between the washing tub and the water tub. The warm air is smoothly circulated to the original route by flowing upward through the formed space and preventing it from flowing backward to the air outlet.

[0031]

Embodiments of the present invention will be described below in detail with reference to the drawings.

In each drawing, the same parts are designated by the same reference numerals.

FIG. 2 is a sectional view of a washing machine showing the warm air / hot water supply apparatus of the present invention as a whole.

The washing machine to which the present invention is applied forms the appearance of the washing machine and the housing 10 having the cover 110 on the top thereof, as described in the prior art.
A water tub 600 and a washing tub 400 are installed in 0. A relatively wide first space 450 is formed between the housing 100 and the water tank 600, and the driving unit 200 and the drain valve 700 are installed below the first space 450.

Further, a relatively narrow second space 650 is formed between the water tank 600 and the washing tank 400, and the water tank 600 is
The washing tub 400 can be freely rotated therein.

The drive unit 200 includes a motor 203 for generating a driving force and a pulley 2 for transmitting the driving force of the motor 203.
02, a gear box 201, and a clutch 204 for transmitting the driving force of the motor 203 to the agitator 300 and the washing tub 400 in a washing manner.

In the washing machine constructed as described above,
Guide member 5 for supplying warm air and warm water according to the present invention to a washing machine
60 is installed on one side of the upper portion of the first space 450.

One side of the guide member 560 is connected to the housing 100 to form an air intake port 570, and the other side is connected to an upper part of the water tank 600 to form an outlet port 580 of air and supply water.

The member forming the outlet 580 is made of a flexible member so as to be able to accommodate the vibration of the washing machine and the thermal deformation caused by hot water / warm air.

Inside the guide member 560, a blower 530 which mixes external air and supplies it to the washing machine, and a water supply pipe 75.
Water supply port 760 that is connected to 0 and supplies washing water to the washing machine
And a heater 510 for heating the external air and the washing water.
Is installed. A thermostat 520 is installed on the outer surface of the lower portion 590 of the guide member 560 to prevent the heater 510 from overheating.

According to the present invention, the hot air containing a large amount of water is discharged by contacting the laundry in the washing tub 400.
The water tank 600 is connected to the first outlet 710 of the drain valve 700.
Use an overflow tube 820 that extends to the top of the. The overflow pipe 820 is provided with an excessive amount of water at the time of water supply, and is located above the water tank 600.
In order to prevent the hot air from flowing out, in the present invention, in order to use it as an air passage for discharging warm air,
A baffle plate 840 is provided at the upper end opening of the overflow pipe 820.
Was installed. The baffle plate 840 is configured to rotate and open only downward by water pressure, and is installed so as not to be opened upward in the flow direction of warm air.

A duct 830, one end of which is connected to the upper portion of the overflow pipe 820, extends through the side opening 810 of the housing 100, and the other end thereof is connected to the air intake port 570 of the guide member 560. .

Therefore, the hot air, which has been in contact with the laundry in the washing tub 400 and has undergone heat exchange, flows into the air intake port 570 through the overflow pipe 820 and the duct 830 and is recirculated.

Here, a means for removing the water contained in the recirculated hot air is installed between the air intake port 570 of the guide member 560 and the duct 830. It is composed of a cold air mixing member 540 and a partition plate 575.

The detailed structure is shown in detail in FIG. 3, which illustrates another embodiment of the present invention. That is, a large number of slits 541 are formed on the side surface of the hot / cold air mixing member 540, and hot air circulated by inflowing air from the surroundings,
It plays the role of mixing.

Further, the partition plate 575 is installed so as to be perpendicular to the flow direction of air, and a large number of through holes 576 are formed on the surface thereof.
Is provided so that the mixed air that has passed through the hot / cold air mixing member 540 passes through the through hole while hitting its surface.

Therefore, the moisture is easily removed by the warm air whose temperature is slightly lowered by the ambient air, and the moisture is changed to the warm air having a low humidity before being supplied to the washing tub 400.

In addition to the configuration described above, the present invention further includes a warm air backflow blocking member 900 to wash the washing tub 4
The heat-exchanged warm air that has passed through a large number of through holes (not shown) formed in the body of No. 00 heats the washing tub 400 and the water tub 60.
Through the second space 650 formed between 0 and 0, the drainage valve 700 is prevented from discharging the drainage valve 700 and flowing upward, and re-flowing into the washing tub 400 while containing a large amount of water.

The cross-sectional structure of the hot-air backflow blocking member 900 is shown in detail in FIG. 2 by enlarging it in a dotted circle.

That is, the warm air backflow blocking member 900 attached to the inner peripheral surface of the water tub 600 is provided so as to project toward the washing tub 400 while maintaining a fine gap with the washing tub 400.

Therefore, the second space 650 is vertically separated while maintaining a fine gap. Looking at the sectional shape of the member 900, a triangular protrusion 910 is formed in the center, and flexible thin plates 920 such as rubber are formed above and below the protrusion 910. . Therefore,
When water flows in from the upper part of the member 900, the thin plate 920 and the like are bent downward to allow water to pass smoothly and to block the warm air flowing upward.

Further, even if the washing tub 400 is rotated in one direction during the dehydration process, it will not be damaged.

The operation of the hot air / hot water supply device of the present invention having the above-mentioned structure will be described below. When the user operates the washing machine after putting it in the washing tub 400, first, while the heater 510 is heated at a high temperature, the water that has passed through the water supply pipe 750 connected to the water tap is supplied to the water supply port 760. Be transmitted to.

The washing water that has passed through the water supply port 760 is heated to a high temperature while flowing over the surface of the heater 510, and the water tank 600 is heated.
Is supplied to. Of course, the hot water supply device is particularly useful in the winter season when the water supply temperature is low.

When the water supply process is completed, the heater 510 is deactivated, the motor 203 is activated, and the agitator 300 is activated.
The washing process is performed while rotating the left and right at low speed, and then the draining process, the water supplying process, and the rinsing process are repeatedly performed several times.

When the rinsing process is completed, the agitator 300
While the washing tank 400 is stopped, the washing tub 400 is rotated at a high speed to perform a dehydration process.
It is discharged to the outside through the 0 second outlet 720. Subsequently, the drying process in which the warm air supply device of the present invention is operated is performed.

First, the blower 530 and the heater 510 are operated, and the slits 541 and the like of the hot / cold air mixing member 540,
Ambient air is mixed into the guide member 560 through the through hole 576 of the partition plate 575 (see FIG. 3).

The mixed air passes through the heater 510 arranged in front of the blower 530 and is changed into high-temperature air, and the washing tub 40 is discharged from the outlet 580 of the guide member 560.
It is discharged facing 0.

The warm air is placed in the washing tub 400 and comes into contact with the laundry placed on the agitator 300, which is rotated left and right at a low speed by driving the motor 203. Accordingly, the warm air removes water from the laundry, becomes high-humidity air, and the upward flow is blocked by the warm air backflow blocking member 900 described above, and a through hole (not shown) of the washing tub 400 is provided. And will flow downwards.

The high-humidity warm air flowed downward is passed through the first outlet 710 of the drain valve 700 to the overflow pipe 8
The water contained in the primary air is condensed by being directed to the baffle plate 840 located at the upper end of the overflow pipe 820 while flowing upward.

The condensed water is collected in the overflow pipe 82.
The hot air having a slightly inferior humidity flows through the duct 830 after flowing down along the line 0 and discharged through the drain valve 700.

The hot air that has passed through the duct 830 is supplied to the hot / cold air mixing member 540 by the slit 5 of the member 540.
41 and the like are mixed with ambient low temperature air and the temperature drops below the dew point.

The mixed air lowered to a temperature below the dew point is
The hot / cold air mixing member 540 is installed in front of the air flow direction at right angles to the partition plate 575 having a large number of through holes 576 on its surface, and while removing water, the air becomes low in humidity (Fig. 3). The air is further blower 530
The air is forcedly blown by the air conditioner, and after being changed to hot air through the heater 510, the air is supplied to the washing tub 400.

The process described above is continuously performed, and by supplying warm air with low humidity, the laundry is dried in a short time.

Here, the water generated by hitting the partition plate 575 has a through hole 576 formed at the lowermost end of the partition plate 575.
After passing through A, it flows along the lower end 590 of the guide member 560 and flows into the water tank 600.

FIG. 3 shows another embodiment of the present invention. The difference from FIG. 2 is that the structure and position of the water supply port 760 are changed, and accordingly the shape of the guide member 560 is also changed. Is. That is, in the embodiment, the water supply port 7
In order for the wash water supplied through the heater 60 to exchange heat with the heater 510 more effectively, the water inlet 760 is disposed at the upper portion 595 of the guide member 560, and the water inlet 760 disposed at the upper portion is disposed. A water supply dispersion member 770 is further installed between the heaters 510, which is located just below the water supply port 760.

The water supply dispersion member 770 is slightly inclined downward from both sides from the center, and a large number of through holes 771 are formed on the surface thereof. Therefore, the wash water supplied from the water supply port 760 during the water supply process flows along the surface of the water supply dispersion member 770 and is dispersed while passing through the through hole 7
After passing through 71, the entire surface of the heater 510 is evenly sprinkled, so that the heat of the heater 510 is more effectively transferred to the wash water.

The hot air supply and circulation process according to the embodiment is as follows.
The description is omitted because it is the same as the above-described embodiment.

FIG. 4 illustrates another embodiment of the present invention, which is a water supply port 76 disposed on the upper portion of the heater 510.
0, a flow rate control valve (not shown) is installed to pass only a small flow rate, while a second water supply port 780 provided with an opening / closing valve (not shown) under the heater 510 is further installed. is there.

Therefore, in the case of hot water washing, the second water supply port 780 is closed so that the wash water is supplied through the water supply port 760. In order to supply the water, the water supply port 760 is closed and the wash water is supplied more quickly from the second water supply port 780.

[0071]

The warm air / warm water supply device of the present invention having the above-described structure and operation can supply hot water to the washing machine with a simple structure, and therefore, the dissolving power of the detergent is of course required. The effect is that the cleaning power and the rinsing property are improved.

Furthermore, heat is exchanged with the laundry during the drying process,
After removing the water from the hot air with high humidity, the hot air is further supplied to the washing tub, so that the thermal efficiency is increased and the drying time is shortened.

Furthermore, since the hot air that has exchanged heat with the laundry is prevented from flowing upward through the space between the washing tub and the water tub, the above effect is further improved. .

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a washing machine showing a conventional hot air supply device.

FIG. 2 is a sectional view of the washing machine showing the hot air / hot water supply device according to the first embodiment of the present invention.

FIG. 3 is a sectional view of a washing machine showing a main part of a hot air / hot water supply device according to a second embodiment of the present invention.

FIG. 4 is a sectional view showing a main part of a hot air / hot water supply device according to a third embodiment of the present invention.

[Explanation of symbols]

 510 Heater 530 Blower 540 Hot / cold air mixing member 560 Guide member 575 Separator 700 Drain valve 760 Water inlet 820 Overflow pipe 830 Duct 900 Hot air backflow blocking member

 ─────────────────────────────────────────────────── --Continued from the front page (31) Priority claim number 1993 27679 (32) Priority date December 14, 1993 (33) Priority claim Korea (KR)

Claims (7)

[Claims] 1. A housing, a water tank disposed inside the housing with a space constant with the housing, a space disposed inside the water tank with a space constant with the water tank, and a body thereof. In a washing machine having a washing tub with a large number of through holes and a drain valve installed at the lower end of the water tub, hot air is supplied to the washing tub during the drying process, and the water tub is supplied to the water tub during the water supply process Hot air / warm water supply means for supplying high-temperature washing water, and hot air / hot water supply means for contacting the laundry in the washing tub during the drying process and containing a large amount of water. A warm air / warm water supply device is provided, which comprises a warm air guide means for recirculation and a water removing means for removing water from the warm air recirculated by the warm air guide means. Washing machine. 2. The warm air / warm water supply means has an open end connected to the housing to form an air intake port, and an open other end connected to the water tank.
Guide means for forming an outlet of air / washing water; blower means installed at the air inlet for circulating air during a drying process; water supply means arranged on one side inside the guide means; and blower means The washing machine provided with the warm air / warm water supply device according to claim 1, comprising: a heating means for heating the circulating water and the washing water supplied from the water supply means. 3. The water supply means is composed of a water supply port connected to a water tap and arranged at an upper part of the heating means, and a water supply dispersion member arranged at a lower part of the water supply port. The member has a plate member inclined downward from the center toward both sides so that the water supplied from the water supply port is divided into right and left sides, and a constant space is provided on the surface of the plate member. The washing machine provided with the warm air / warm water supply device according to claim 2, wherein the washing machine is provided with a plurality of outflow holes formed as described above. 4. The warm air / warm water supply means causes warm air that has passed through a hole or the like of the washing tub to flow upward through a space formed between the washing tub and the water tub, The hot air / hot water supply device according to claim 1, further comprising hot air reverse flow blocking means formed on an inner peripheral edge of the water tank to block backflow to the outlet of the guide means. A washing machine provided. 5. The warm air backflow blocking means is composed of a protrusion formed on the inner peripheral edge of the water tank, and a flexible thin plate attached to the upper and lower portions of the protruding portion. The water flowing out from the upper part of the means is deformed downward by the thin plate or the like to pass therethrough, and the warm air flowing from the lower part of the warm air backflow blocking means is blocked. A washing machine equipped with a hot air / hot water supply device. 6. The hot air guiding means extends from one outlet of the drain valve to an upper portion of the water tank, and overflows.
ow) pipe and extending from the upper part of the overflow pipe,
The hot air according to claim 1, wherein the hot air / hot water supply means is formed of a duct, and a baffle plate installed in an open upper stage of the overflow pipe. / A washing machine equipped with a hot water supply system. 7. The hot water to be recirculated, wherein the water removing means is arranged at an air inlet of the hot air / hot water supplying means, and a plurality of slits for letting external air into the body are provided in the body. A hot / cold air mixing member that mixes external cold air with the air / air guiding direction in front of the hot / cold air mixing member, and a plurality of through holes are formed on the surface of the hot / cold air mixing member. The washing machine provided with the warm air / warm water supply device according to claim 1, wherein the washing machine is configured by a partition plate that removes moisture from the air whose temperature has been lowered through the cold air mixing member.