KR100556420B1 - drum-type washing machine with dryer - Google Patents

Abstract

The present invention is to provide a dry double-use drum washing machine that is installed inside the combined-use washing machine to remove the condensation duct having a large effect on the flow resistance, the condensation efficiency can be improved.

To this end, the present invention is installed in the cabinet, the tub provided with a flow path through which the coolant flows between the outer peripheral surface and the inner peripheral surface; A water inlet formed on one side of the tub and provided with at least one to supply the cooling water; A water supply unit connected to the water supply port to provide cooling water from the outside; A drum rotatably installed in the tub; A drying duct installed outside the tub and provided with a heater and a blowing fan to generate hot air therein; And, one end is connected to the drying duct, the other end is connected to the tub, there is provided a drying drum washing machine characterized in that it comprises a connecting duct for guiding the wet air discharged through the tub into the drying duct.

Drying drum washing machine, cooling water condensation pipe, cooling water circulation channel

Description

Drying drum washing machine {drum-type washing machine with dryer}

1 is a side cross-sectional view schematically showing a drum washing machine according to the prior art.

Figure 2 is a side cross-sectional view schematically showing a drying drum washing machine according to a first embodiment of the present invention

Figure 3 is a schematic diagram showing the configuration of a drying drum washing machine according to a first embodiment of the present invention

Figure 4 is a schematic view showing the configuration of a drying drum washing machine according to another embodiment of the present invention

5 and 6 are schematic diagrams showing a state in which a cooling water condensation tube is installed in a tub of a dry-use drum washing machine according to an embodiment of the present invention.

** Description of symbols for the main parts of the drawing **

10: cabinet 40: drum

41: through air 60: drying duct

61: heater 62: blowing fan

90: drainage 100: tub

110: outer peripheral surface of the tub 120: inner peripheral surface of the tub

130: cooling water condenser tube 140: heat spreader (heat spreader)

200: water heater 300: connection duct

410: cooling water circulation flow path pipe 420: cooling water circulation pump

430: temperature sensor

The present invention relates to a dry drum washing machine, and more particularly, to a dry drum washing machine to remove condensation duct that takes up a lot of space, and to improve condensation efficiency.

In general, the drum washing machine is a device for washing laundry by rotating the drum by the driving force of the motor in a state in which detergent, washing water and laundry are put into the drum. The drum washing machine has the advantage of less damage to the laundry and the laundry is not tangled well, knocking and rubbing the washing effect.

Hereinafter, with reference to the accompanying Figure 1 with respect to the drum washing machine according to the prior art as follows.

1 is a side cross-sectional view schematically showing a drum washing machine according to the prior art.

As shown in FIG. 1, the drum washing machine according to the related art includes a cabinet 10 having a laundry inlet formed on a front surface thereof, a door 20 installed to be opened and closed at a laundry inlet of the cabinet 10, and the cabinet ( 10) a metal tub 30 installed to store wash water therein, a drum 40 rotatably installed in the tub 30, and the drum 30 installed in the tub 30. It is configured to include a motor device 50 for transmitting a driving force to.

Here, the door glass 21 is installed in the door 20 to protrude toward the opening side of the tub 30.

In addition, a hanging spring 31 for supporting the tub 30 is installed between the inside of the upper surface of the cabinet 10 and the upper side of the outer peripheral surface of the tub 30, and although not shown, a lower surface of the cabinet 10. A friction damper is provided between the inner side and the lower side of the outer circumferential surface of the tub 30 to damp the vibration of the tub 30 generated when the drum washing machine is operated.

In addition, the motor device 50 is an indirect driving method for transmitting the driving force generated from the motor 51 to the washing shaft 53 by the belt 52 to rotate the drum 40.

On the other hand, a drying duct 60 is installed on the upper inner surface of the cabinet 10. In this case, a blowing fan 62 and a heater 61 are built in the drying duct 60 to discharge hot air. One end of the drying duct 60 is installed in communication with the door 20 side opening of the tub 30.

Here, one end of the drying duct 60 and the opening of the tub 30 are connected by a gasket 80. The gasket 80 is installed along the front inner edge of the tub 30 and has a corrugated shape to accommodate the vibration of the tub 30. Accordingly, hot air is prevented from leaking through the connection portion between the drying duct 60 and the tub 30.

In addition, the tub 30 is provided with a condensation duct 70 so as to communicate with the drying duct (60). At this time, one end of the condensation duct 70 is connected to the outer surface of the tub 30, the other end of the condensation duct 70 is connected to the drying duct (60). The condensation duct 70 is provided with a water supply 71 for supplying cooling water to condense moisture in the air to remove moisture.

In addition, a drainage device 90 for discharging the washing water and the cooling water accumulated in the tub to the outside is installed below the tub 30.

The drum washing machine configured as described above performs washing, rinsing, dehydrating and drying operations. Hereinafter, the drying operation of the drum washing machine will be described.

When the drying operation of the drum washing machine is started, power is applied to the heater 61 of the drying duct 60. At this time, as the blowing fan 62 and the heater 61 are operated, the blowing fan 62 blows hot air.

The hot air is introduced into the drum 40 by hitting the inclined portion of the door glass 21 by the guide of the drying duct 60.

Then, the hot air introduced into the drum 40 heats the laundry to evaporate the moisture contained in the laundry. At this time, by stirring the laundry while the drum 40 is rotated at a low speed, the laundry is evenly exposed to hot air to help evaporation of moisture.

The evaporated water is discharged through the condensation duct 70 in a state of being contained in the air. At this time, by spraying water from the water supply 71 of the condensation duct 70, moisture in the air is removed. The air from which moisture is removed is introduced into the drying duct 60 again, and the air introduced into the drying duct 60 is converted into hot air by the heater 61 and the blower fan 62 and reintroduced into the drum 40. Drying is performed on the laundry.

On the other hand, the moisture and the coolant is accumulated in the lower side of the tub (30).

At this time, the water and cooling water accumulated in the lower side of the tub 30 is discharged to the outside through the drainage device (90).

However, the condensation structure of the conventional dry-use drum washing machine configured as described above has the following problems.

First, in order to condense the hot air with moisture, a long condensation duct 70 having a large amount of space inside the cabinet 10 has to be installed.

At this time, the flow path resistance received while the hot air flows in the condensation duct 70 occupies 50% of the total resistance, there is a problem that consumes a lot of power consumption according to the resistance.

In addition, in order to increase the condensation efficiency of the hot air with moisture, a means for scattering the cooling water was required, and thus, there was a problem in that the flow path resistance to the hot air was further increased.

In addition, in the conventional combined-use drum washing machine, after condensation is performed by the coolant supplied with moisture to the water supply 71 from the condensation duct 70, the coolant used therein is accumulated in the lower part of the tub, and the drainage pump ( 90) It is discarded to the outside during operation.

For this reason, since a new coolant must always be supplied to condense, a large amount of coolant is inefficiently consumed, causing a waste of energy and resources.

The present invention is to solve the above-mentioned problems, it is provided in the drying combined-use washing machine to remove the condensation duct having a large effect on the flow resistance, but to provide a combined drying drum washing machine to improve the condensation efficiency There is this.

In addition, by allowing the coolant to be selectively recycled according to the temperature of the coolant accumulated in the tub, the purpose of the present invention is to provide a dry-use drum washing machine that reduces the supply amount of the coolant and improves the reliability of the product.

In order to achieve the above object, the present invention is installed in the cabinet, the tub provided with a flow path through which the coolant flows between the outer peripheral surface and the inner peripheral surface, and formed on one side of the tub, at least one or more to supply the cooling water A water supply port, a water supply unit connected to the water supply port to provide cooling water to the tub from the outside, a drum rotatably installed inside the tub, a heater installed outside the tub and generating hot air therein; Drying duct installed with a blowing fan, and one end is connected to the drying duct, the other end is connected to the tub, the drying combined, characterized in that it comprises a connecting duct for guiding the wet air discharged through the tub to the drying duct Provide a drum washing machine.

Embodiments of the present invention will be described in more detail with reference to the accompanying drawings, FIGS.

For reference, prior to describing the configuration of the present invention, in order to avoid duplication of description, reference numerals refer to conventional reference numerals as they are for the parts consistent with the prior art.

First, Figure 2 is a side cross-sectional view schematically showing a drying drum washing machine according to a first embodiment of the present invention, Figure 3 is a schematic diagram showing the configuration of a drying drum washing machine according to a first embodiment of the present invention to be.

Next, Figure 4 is a schematic view showing the configuration of a drying drum washing machine according to a second embodiment of the present invention, Figures 5 and 6 are condensed cooling water in the tub of the drying drum washing machine according to an embodiment of the present invention A schematic diagram showing a state where a pipe is installed.

That is, as shown in Figures 2 and 3, the drying drum washing machine according to the first embodiment of the present invention is installed in the cabinet 10, the cooling water can flow between the outer peripheral surface 110 and the inner peripheral surface 120 Tub 100 is provided with a flow path, and formed on one side of the tub 100, the water supply port 200 is provided with at least one to supply the cooling water, and is connected to the water supply port 200 from the outside A water heater 71 for providing cooling water to the tub 100, a drum 40 rotatably installed in the tub, and an outside of the tub 100, and a heater to generate hot air therein. Drying duct 60 and 61 and the blowing fan 62 is installed, one end is connected to the drying duct 60, the other end is connected to the tub 100, is discharged through the tub 100 It comprises a connection duct 300 for guiding the wet air to the drying duct (60).

Here, a through hole 41 is formed on the circumferential surface of the drum 40 to discharge hot air toward the inner circumferential surface 120 of the tub 100.

And, each of the water supply port 200 is characterized in that formed in the portion biased to any one side from the top end of the tub (100).

In addition, between the outer circumferential surface 110 and the inner circumferential surface 120 of the tub 100, one end is connected to the water inlet 200, the other end is connected to communicate with the lower inner surface of the tub 100, the Cooling water condensation tube 130 to guide the flow is installed.

At this time, the cooling water condensation tube 130 is installed in a state buried in the side of the tub 100 and the connection duct 300 of the peripheral portion of the tub 100 is connected.

In addition, in the first embodiment of the present invention, it is proposed that two water inlets 200 are formed to rapidly supply a large amount of cooling water to the cooling water condensation tube 130.

In addition, the water supply unit 71 is connected to the water inlet 200, and provides the cooling water to the cooling water condensation tube 130 installed in the tub 100 from the outside.

Meanwhile, the inner circumferential surface 120 of the tub is formed to surround at least one portion of the inner circumferential surface, and is provided with a heat spreader 140 made of a metal material having high thermal conductivity to help condensation of wet air. Is preferred.

For example, the heat spreader 140 may be manufactured using a metal material such as silver (Ag) copper (cu) or aluminum (Al), which has high conductivity, but in the third embodiment of the present invention, It is proposed that the metal is made of aluminum material having good corrosion resistance.

That is, when the wet air discharged through the through hole 41 of the drum 40 contacts the heat spreader 140 having the high conductivity, the time for condensing the wet air may be shortened, thereby condensing a larger amount of wet air. There is a number.

In the first embodiment of the present invention, the heat spreader 140 is provided along a portion where the cooling water condensation tube 130 is installed in the inner circumferential surface 120 of the tub.

Of course, it is also understood that the entire inner circumferential surface 120 of the tub is provided.

At this time, the cold air of the cooling water is transferred to the heat spreader 140 provided on the entire inner circumferential surface 120 of the tub, thereby condensing the wet air discharged to a portion where the cooling water condensation tube 130 is not installed.

As shown in FIG. 5, in the first embodiment of the first embodiment, the cooling water condensation tube 130 is provided in a zigzag structure in order to increase the flow time of the cooling water flowing therein.

In addition, as shown in Figure 6, in the second embodiment of the first embodiment the cooling water condensation tube 130 is shown to be installed in a honeycomb (honeycomb) structure.

Drying drum washing machine according to a first embodiment of the present invention further comprises a cooling water circulation device for circulating the cooling water accumulated in the lower side of the tub (100).

At this time, as shown in Figure 2, the cooling water circulation device comprises a cooling water circulation flow path tube 410, the circulation pump 420, and the temperature sensor 430.

Here, one end of the cooling water circulation flow passage tube 410 is installed at the lower side of the tub 100, and the other end is connected to the water supply 71, and the cooling water accumulated in the lower side of the tub 100 is supplied to the water supply 71. Guide to.

In addition, the circulation pump 420 is provided on the cooling water circulation flow path tube 410 to pop the cooling water accumulated in the tub 100 into the cooling water circulation flow path tube 410.

The temperature sensor 430 is provided at a predetermined lower side of the tub 100 to measure the temperature of the coolant accumulated in the tub 100.

At this time, the cooling water is discharged to the outside according to the temperature of the cooling water measured from the temperature sensor 430 or discharged to the cooling water circulation flow path tube 410 to supply water to the tub 100 again.

On the other hand, one end of the coolant circulation flow path tube 410 connected to the water supply 71 to prevent the cooling water flowing into the coolant circulation flow path tube 410 from the water supply 71 to the tub 100. Connection is preferable in the state bent downward at a position higher than the water supply 71.

In addition, the lower side of the tub 100 is provided with a drainage device 90 for discharging the depleted cooling water of the tub 100 to the outside.

Referring to the operation of the drying drum washing machine according to an embodiment of the present invention, the operation and operation effects are as follows.

First, power is applied to the heater 61 of the drying duct 60 and hot air is generated as the blower fan 62 is operated.

Next, the hot air is guided by the drying duct 60, and the hot air is introduced into the drum 40.

Next, the hot air introduced into the drum 40 heats the laundry to evaporate the moisture contained in the laundry.

Next, the hot air having the moisture is discharged to the inner circumferential surface 120 side of the tub through the through hole 41 of the drum.

On the other hand, the singer water supply 71 supplies the cooling water to the cooling water condensation tube 130 through the water supply port (200).

At this time, the cooling water cools the inner circumferential surface 120 of the tub 100 along the cooling water condensation tube 130, and then accumulates at the lower side of the tub 100.

At this time, cold cool air of the cooling water is transmitted to the heat spreader 140 through the inner peripheral surface 120 of the tub.

At this time, the wet air discharged into the tub 100 through the through hole 41 of the drum is in contact with the heat spreader 140 received the cold air of the cooling water, thereby condensing.

Here, the phenomenon in which the wet air is rapidly condensed by the heat spreader 140 having high thermal conductivity may occur to condense a large amount of the wet air.

At this time, the condensed water flows along the inner circumferential surface 120 of the tub 100 to the lower side of the tub 100 and merges with the cooling water accumulated in the lower side.

Next, the cooling water accumulated in the lower side of the tub 100 is measured by the temperature sensor 430.

At this time, when the temperature of the cooling water is measured below the set temperature, the circulation pump 420 is operated to pump the cooling water into the cooling water circulation flow channel 410.

Next, the cooling water punctured into the cooling water circulation channel 410 is supplied to the cooling water condensation tube 130 again through the cooling water circulation channel 410.

On the other hand, when the temperature of the cooling water is measured above the set temperature, it is discharged to the outside through the drainage device 90 to the lower side of the tub (100).

Next, the hot air in the tub 100 in which the condensation is made is introduced into the drying duct through the connection duct 300 connected to the tub 100.

The laundry is dried while repeatedly performing this series of procedures.

In the first embodiment of the present invention, although the water inlet 200 is formed at the portion where the connection duct 300 of the tub 100 is connected, the water inlet 200 is also formed at the upper end of the tub. It is understandable.

Figure 2 shows a second embodiment according to the present invention.

That is, in the second embodiment according to the present invention, the water supply port 200 is formed at an upper end of the tub 100.

In the second embodiment of the present invention, the description of the same configuration described above in the first embodiment of the present invention will be avoided again.

As shown in FIG. 2, the water inlet 200 is installed at an upper end of the tub 100.

At this time, the cooling water condensation tube 130 is installed on the entire circumferential surface of the tub 100.

This is to divide and supply the cooling water supplied through the water supply port 200 formed at the upper end of the tub in both directions of the tub 100.

At this time, the heat spreader 140 is preferably installed on the portion of the cooling water condensation tube 100 is installed, that is, the entire inner circumferential surface 120 of the tub.

In this case, since the cooling water is supplied to the cooling water condensation tube 130 evenly installed on the circumferential surface of the tub 100, it is possible to condense a larger amount of wet air.

Since the combined drum washing machine according to each of the above-described embodiments does not have a condensation duct installed inside the cabinet 10, it is possible to practically use the space of the cabinet 10 to realize a large capacity of the drum 40.

In addition, the conventional condensation duct 70 is removed, and the hot air is recirculated through the shorter connection duct 300, whereby the flow path resistance received by the hot air is reduced, and thus a large amount of hot air is secured. Savings.

In addition, since the cooling water circulation flow path device is installed, the cooling water supplied to the tub 100 can be selectively recycled, and thus the amount of cooling water supplied for condensation of wet air during the laundry drying process can be drastically reduced compared to the conventional method. have.

As described above, the condensation duct is removed in the combined-use drum washing machine of the present invention and the cooling water circulation device is provided, thereby providing the following effects.

First, by securing a space as much as the condensation duct is removed inside the cabinet, there is an effect that can realize a large capacity of the drum.

Second, the condensation duct is removed, and the hot air is recirculated through the short connecting duct, thereby reducing the flow resistance of the hot air, thereby ensuring a large amount of hot air, thereby reducing power consumption.

Third, since the circumferential surface of the tub having a large area is used to condense hot air with moisture, condensation efficiency is improved.

Fourth, since the heat spreader is provided on the inner peripheral surface of the tub, the time for condensing the wet air is shortened and a large amount of the wet air can be condensed, thereby improving the condensation efficiency.

Fifth, since the cooling water circulating device is installed, the cooling water supplied to the tub can be selectively recycled, so that the amount of cooling water supplied for condensation of wet air during the laundry drying process can be drastically reduced compared to the conventional method. Has

Claims (8)

A tub installed in the cabinet and provided with a flow path through which coolant flows between an outer circumferential surface and an inner circumferential surface; A water supply port formed at one side of the tub and provided with at least one to supply the cooling water to the tub; A water supply unit connected to the water supply port to provide cooling water to the tub from the outside; A drum rotatably installed in the tub; A drying duct installed outside the tub and provided with a heater and a blowing fan to generate hot air therein; And, One end is connected to the drying duct, the other end is connected to the tub, drying duct drum washing machine characterized in that it comprises a connection duct: for guiding the wet air discharged through the tub to the drying duct. The method of claim 1, Between the outer peripheral surface and the inner peripheral surface of the tub  One end is connected to each of the water inlets, the other end is connected to communicate with the lower inner circumferential surface of the tub, a dry combined drum washing machine, characterized in that the cooling water condensation pipe for guiding the flow of the cooling water is installed. The method of claim 2, The cooling water condensation tube Drying drum washing machine characterized in that it is installed in a zigzag structure in order to increase the flow time of the cooling water flowing therein. The method of claim 3, wherein The cooling water condensation pipe is a drying drum washing machine, characterized in that installed in a honeycomb (honeycomb) structure. The method of claim 1, On the inner circumferential surface of the tub Drying drum washing machine is formed to surround at least one portion of the inner circumferential surface, the heat spreader (heat spreader) made of a material of high thermal conductivity metal to help condensation of wet air. The method of claim 5, The heat spreader is Drying drum washing machine, characterized in that provided along the portion of the tub inner circumference of the cooling water condensation pipe is installed. The method of claim 1, Drying drum washing machine further comprises a cooling water circulation device for circulating the cooling water accumulated in the lower side of the tub. The method of claim 7, wherein The cooling water circulator A coolant circulation flow passage tube having one end installed at a lower side of the tub and the other end connected to the water supply unit and guiding cooling water accumulated at a lower side of the tub to the water supply unit; A circulation pump provided on the cooling water circulation flow path and configured to pump the cooling water accumulated in the tub into the cooling water circulation flow path pipe; And, Drying drum washing machine characterized in that it comprises a temperature sensor provided on the lower side of the tub, the temperature of the cooling water accumulated in the tub.

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