KR100435241B1 - A hot-wind dry apparatus for drum-washing machine - Google Patents

Abstract

The present invention forms a drying heater receiving portion in the tub that performs the water storage / drainage function of the wash water to a drum washing machine for warm air drying apparatus to solve the economic loss and obtain higher space efficiency due to the elimination of a separate dry heater coupling space. It is about.

To this end, the present invention is equipped with a tub for carrying out the storage / drainage of the wash water in the interior of the cabinet, the drum inside which the laundry, detergent, wash water is rotatably mounted washing and dehydration And a drum washing machine provided with a warm air drying unit for drying the dehydrated laundry, wherein the warm air drying unit includes: a blower coupled to a cabinet to generate compressed air for drying the laundry; A warm air forming unit coupled to communicate with the blower and configured to communicate with an inner space of the tub at one side of the tub to heat compressed air supplied by the blower; The hot air forming unit and the tub is in communication with each other, the tub and the blower is provided so as to communicate with the hot air drying apparatus for a drum washing machine comprising a duct mechanism for forming a supply and return flow path.

Description

A hot-wind dry apparatus for drum-washing machine

The present invention relates to a warm air drying apparatus for a drum washing machine, and more specifically, by forming a drying heater receiving portion in a tub that performs the storage / drainage function of the wash water, and eliminates economic losses due to the exclusion of a separate dry heater combining space It is to achieve high space efficiency.

Drum washing machine is a state in which washing water, detergent, laundry is put in the drum, the drum is rotated so that the washing is performed by the friction force of the drum and the laundry and the gravity of the laundry falling from a certain height.

The washing method of the drum washing machine is less damage to the laundry cloth than other washing machines, does not cause the tangling of the laundry, and performs the functions of washing the hot water and drying the warm air by the heater installed inside the product. It can be.

1 is a perspective view showing a general appearance of the drum washing machine, Figure 2 is a cross-sectional view taken along the line A-A of FIG.

Referring to the drawings, a conventional drum washing machine is installed inside the cabinet 10 and the cabinet 10 to be externally, and is rotatably installed inside the tub 20 and the tub 20 in which washing water is stored / drained. It has a basic configuration consisting of a drum 30 for performing washing, a power mechanism 31 installed inside the cabinet 10 to rotate the drum 30.

The power mechanism 31 is composed of a motor 33, the shaft 33 is coupled to the motor 32 so as to transmit power and coupled to the drum 30 and the tub 20.

In addition, the inside of the tub 20 is equipped with a heating heater 34 for heating the supplied wash water, and drying the dehydrated laundry after washing by heating the space above the tub 20 in the cabinet 10 Hot air drying unit 40 is installed to.

The hot air drying unit 40 is composed of a duct mechanism part 41 which largely forms a flow path, a drying heater 42 for heating a space, and a blower 43 for advancing compressed air through the duct mechanism part 41.

The duct mechanism 41 is connected to the blower duct 44 and the blower duct 44 and the tub 20 coupled to the blower 43 mounted on the upper rear of the cabinet 10 in the drawing and sealed to the outside. It consists of a gasket 45 for implementing the structure, and a return duct 46 coupled to the tub 20 and the blower 43 so as to communicate with each other, the drying heater 42 of the blower duct 44 It is coupled to the inside.

Reference numeral 11 in the figure is a door for closing the laundry space after the laundry.

When the warm air drying unit 40 configured as described above is completely washed and dehydrated, the drying heater 42 is driven to heat the air inside the blower duct 44, and at the same time, the blower 43 is driven to blow air. Compressed air is injected through the duct 44.

The compressed air injected as described above is converted into hot air by space heating of the drying heater 42, and the hot air is supplied to the inside of the tub 20 through the gasket 45 to dry the dehydrated laundry. And is returned to the blower 43 through the return duct 46.

Conventional warm air drying unit as described above, the blowing duct is mainly coupled to the ceiling surface of the cabinet on the upper side of the tub, such a coupling structure is accompanied by a number of coupling mechanisms for the separate production of the blowing duct and coupling the blowing duct to the cabinet There are disadvantages that increase manufacturing cost and delay work time.

In addition, since the space is heated inside the blower duct installed separately from the tub, the tub is subjected to heat transfer very late, so that the drying atmosphere inside the tub (which forms the inside of the tub at an appropriate temperature for optimal drying) is provided. It is formed with considerable delay.

Therefore, the drying efficiency of the laundry per unit time is not only very low, but the separately manufactured blow duct is forced to narrow the flow path space heated by the drying heater in consideration of the space between the tub and the cabinet, accordingly the blower As a result, the amount of hot air supplied is relatively small.

As a result, the drying efficiency of the laundry is low, and in order to dry the laundry at a desired drying rate, the blower and the heater are driven for a long time with respect to the unit supply amount of warm air, thereby increasing the power consumption, thereby increasing the time and economic expenditure. This rising problem is exposed.

The present invention was devised to solve the above problems, and the blower duct is integrally extended to the tub and equipped with a drying heater therein to simplify the construction, and the drying heater directly heats the space inside the tub. The purpose of the present invention is to provide a warm air drying apparatus capable of shortening the drying time of the tub and increasing the amount of compressed air supplied by heating.

1 is a perspective view showing the appearance of a general drum washing machine.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a cross-sectional view of the drum washing machine to which the drying apparatus according to the present invention is applied.

Figure 4 is an exploded perspective view of the drying apparatus according to the present invention.

5 is a cross-sectional view taken along line B-B of FIG.

<Explanation of symbols for the main parts of the drawings>

10: cabinet 20, 50: tub

30: drum 60: warm air drying unit

61: blower 62: warm air forming unit

63: protrusion chamber 64: drying heater

70: duct mechanism

In order to achieve the above object, the present invention has the following features.

The present invention is equipped with a tub for carrying out the storage / drainage of the wash water in the interior of the cabinet, the drum inside the tub, laundry, detergent, wash water is rotatably mounted washing and dehydration is carried out In the drum washing machine equipped with a warm air drying unit for drying the dehydrated laundry,

The warm air drying unit is blower coupled to the cabinet to generate and proceed with compressed air for drying the laundry; A warm air forming unit coupled to communicate with the blower and configured to communicate with an inner space of the tub at one side of the tub to heat compressed air supplied by the blower; The hot air forming unit and the tub is in communication with each other, the tub and the blower is installed so as to communicate is characterized in that consisting of a duct mechanism for forming a supply and return flow path.

In addition, the warm air forming portion and the protrusion chamber protruding from the tub to provide a space for the compressed air to proceed; It is characterized by consisting of a heating mechanism for heating the compressed air which is installed in the protruding chamber.

Hereinafter, embodiments of the present invention to which the above features are applied will be described in detail with reference to the accompanying drawings.

Figure 3 is a side cross-sectional view of a drum washing machine to which the warm air drying apparatus according to the present invention is applied, Figure 4 is an exploded perspective view of an extract of the warm air drying apparatus according to the present invention from the drum washing machine of Figure 3, Figure 5 is a BB line of Figure 3 Status section.

Referring to the drawings, the drum washing machine has a basic configuration consisting of a cabinet 10 which is an exterior, a tub 50 having a water storage / drainage function of washing water, and a drum 30 to which laundry, detergent, and washing water are rotated. The inside of the cabinet 10 is provided with a warm air drying unit 60 for drying the laundry and dehydrated laundry warm air.

The cabinet 10 includes a door 11 for putting laundry, detergent and washing water into the drum 30 and sealing it.

The tub 50 is fixed to the inside of the cabinet 10 is configured to store the wash water to perform the washing or to wash the contaminated wash water after washing is completed, the drum when dehydrating the laundry on the lower side Naturally, a damper 51 is provided to reduce vibrations caused by the high speed rotation of the 30.

The drum 30 is rotatably installed by the shaft 33 inside the tub 50, and the shaft 33 receives the power of the motor 32 applied to the power mechanism 31 and receives the drum 30. ) Has a rotatable structure.

Reference numeral 52 in the drawing represents a heating heater for heating the supplied washing water to enable hot water washing.

In the configuration of such a drum washing machine, the warm air drying unit 60 according to the present invention provides a blower 61 for generating / spraying compressed air and a flow path through which compressed air proceeds, and the compressed air proceeding by heating the flow path It consists of a hot air forming portion 62 to be converted to warm air, and the duct mechanism portion 70 is formed to dry the laundry inside the drum 30 to form a flow path to be returned to the blower (61).

The blower 61 is applied to a general fan drive for generating compressed air and spraying it.

The warm air forming unit 62 is mounted on the protruding chamber 63 formed on one side (upper side in the drawing) of the tub 50 and the protruding chamber 63 and is formed in the protruding chamber 63 and the tub 50. It consists of the drying heater 64 which is a heating mechanism which converts the compressed air which advances by heating a space into warm air.

Here, the protruding chamber 63 is formed integrally with the tub 50 and protruded to the outside thereof, so that the protruding chamber 63 may be formed at the same time as the tub 50 is manufactured. For reference, the tub 50 may be manufactured. It is mainly made by performing a process of injection or sheet metal to be formed of an injection or metal material to be formed of a plastic material.

The drying heater 64 is preferably fixed to one side wall of the protruding chamber 63, it is preferable to apply that formed in the shape of a rod in order to correspond to the longitudinal direction of the space where the compressed air proceeds.

In addition, the opening portion toward the center of the tub 50 of the protruding chamber 63 is concealed by the finishing plate 65 so as to limit a flow path in which the warm air proceeds, and the space inside the tub 50 is excessive. To prevent heating.

The duct mechanism 70 includes a gasket 72 and a return duct 73 which have been mentioned in the conventional drum washing machine, and the protruding chamber 63 and the inside of the gasket 72 of the warm air forming unit 62. Both ends include tub connectors 71 coupled to the protruding chamber 63 and the gasket 72 so as to communicate the space.

The drum washing machine configured as described above is loaded with laundry, detergent, and washing water, and after the drum 30 is rotated to complete the washing process, the drum 30 is rotated at a high speed to perform a dehydration process of the laundry.

After the dehydration process is completed as described above, the drying process of the laundry is performed. The drying of the laundry is a blower in which the drying heater 64 of the warm air forming unit 62 is driven to heat the space inside the protruding chamber 63. At 61, compressed air is generated and injected.

The injected compressed air passes through the internal space of the protruding chamber 63 and is converted into warm air, and the converted warm air is passed through the tub connector 71 and the gasket 72 in the tub 50 (more specifically, the drum). It is supplied to the laundry to dry the moisture of the laundry.

At this time, since the drying heater 64 of the protruding chamber 63 is mounted inside the tub 50, the drying heater 64 directly heats the space inside the tub 50 to dry the laundry (drying laundry). In the sense of maintaining the temperature of the space in the tub which is most ideal.

In addition, the finish plate 65 induces the warm air to proceed to the inside of the tub 50 as described above, and blocks the excessive heating of the space inside the tub 50, the installation is omitted according to the heating temperature It may be, but it is desirable to be installed to prevent adverse effects (such as reducing the size of the laundry of heat-sensitive material) that is transmitted to the laundry as the direct heat is delivered to the laundry.

Thereafter, the warm air passing through the tub 50 in which the laundry is dried is returned to the blower 61 through a return duct 73 to perform a series of drying processes, and the drying process is performed by a controller (not shown) of the product. It is executed continuously for the time set by).

As described above, the present invention eliminates a separate blower duct configuration for supplying warm air and a coupling configuration for fixing it, thereby simplifying the configuration, thereby reducing productivity and reducing production time, and increasing productivity. You get an effect.

In addition, since the space inside the tub is directly heated by the drying heater, the drying atmosphere formation time is shortened and high drying efficiency is obtained, and the space heated by the drying heater is enlarged (extra duct and coupling configuration are excluded). By) increases the supply of warm air that is advanced by the blower to obtain the effect of minimizing the power consumption of the drying time shortened.

Claims (3)

Tub 20 for storing and draining the wash water is mounted in the cabinet 10 to be exterior, and the drum 30 into which the laundry, detergent, and washing water is injected is rotatable inside the tub 20. In the drum washing machine equipped with a warm air drying unit for drying the dehydrated laundry, washing and dehydration is carried out, The warm air drying unit 60 A blower 61 coupled to the cabinet 10 to generate compressed air for drying the laundry; It is coupled to communicate with the blower 61, is formed to communicate with the inner space of the tub 50 on one side of the tub 50 and the warm air forming portion 62 for heating the compressed air supplied by the blower 61 ; The hot air forming unit 62 and the tub 50 is in communication with each other, the tub 50 and the blower 61 is installed so as to communicate, characterized in that consisting of a duct mechanism part 70 for forming a supply and return flow path of the warm air. Hot air drying device for a drum washing machine. The method of claim 1, wherein the warm air forming portion 62 Protruding chamber (63) protruding outward from the tub (50) to provide a space for the compressed air to proceed; Hot air drying device for a drum washing machine, characterized in that consisting of a heating mechanism (64) for heating the compressed air which is installed inside the protruding chamber (63). The hot air drying apparatus of claim 1 or 2, wherein the protruding chamber (63) is configured such that a closing plate (65) is coupled to and sealed to an open portion toward the center of the tub (50).