KR20100094686A - Dryer - Google Patents

Abstract

PURPOSE: A drier is provided to enhance the drying efficiency by enabling hot air to flow into a drying drum through the side of the drying drum using a guide duct and a hot air supplying duct. CONSTITUTION: A drier is composed of a cabinet(110), a drying drum(130), a heater(170), a guide duct(180), a hot air supplying duct, and a front supporter(140). The guide duct is spaced from the drying drum. The guide duct surrounds the outer part of the drying drum. The guide duct is extended from the front supporter to the drying drum by a certain distance. The hot air supplying duct is connected from the heater to the guide duct. The hot air supplying duct enables high temperature air to flow into the drying drum through the side of the drying drum. The front supporter supports the front end of the drying drum.

Description

Dryer {Dryer}

The present invention relates to a dryer, and more particularly, to a dryer having an improved structure to introduce hot air into a drying drum through a drying drum side.

Generally, a dryer includes a main body having a predetermined shape, a drying drum installed inside the main body to receive a dry matter, a heater supplying hot dry air into the drying drum, and a rotation of the drying drum by a belt. It consists of a drive motor.

Such a dryer may be divided into a condensation type and an exhaust type. The condensation type sends heat generated by a heater to a drying drum by a blower fan to dry the dry matter in the drying drum. At this time, the air in the drying drum that dried the dry matter becomes a high temperature and high humidity state and is dried by removing moisture by a condenser, and then flows into the drying drum again by a blowing fan.

In addition, the exhaust type has a structure for discharging the hot air passed through the drying drum by the heater and the blowing fan to the outside through the exhaust port formed on one side of the washing machine.

In such an exhaust dryer, lint (fine lint) generated in the dried product at the time of drying is discharged to the outside of the dryer through the exhaust port by hot air.

The dryer configured as described above has a limitation that hot air passing through the drying drum does not reach all the ranges in the drying drum.

The present invention was devised to solve the above problems, and an object thereof is to provide a dryer having an improved structure to introduce hot air into the drying drum through the side of the drying drum.

Dryer according to a preferred embodiment of the present invention to achieve the above object, the cabinet; A drying drum rotatably installed in the cabinet and accommodating a dry matter; A heater provided in the cabinet to supply hot dry air into the drying drum; And a guide duct spaced apart from the drying drum to some extent to surround an outer portion of the drying drum. And a hot air supply duct connected to the guide duct from the heater and configured to introduce the hot air into the drying drum through the side of the drying drum.

At this time, the present invention is a front supporter for supporting the front end of the drying drum is configured so that the drying drum is rotatable, the guide duct is preferably extended to a predetermined extent from the front supporter to the drying drum side.

Alternatively, the present invention is configured to support the rear end of the drying drum so that the drying drum is rotatable, the guide duct is preferably extended to some extent from the supporter to the drying drum side.

In addition, the drying drum is preferably formed with a plurality of through-holes in the area covered by the guide duct.

In addition, the drying drum is preferably provided with a lift having a plurality of apertures protruding inward in the longitudinal direction on the portion wrapped by the guide duct.

On the other hand, the present invention is preferably provided with an exhaust duct on the front and rear sides of the drying drum, respectively.

In addition, the exhaust ducts are connected to form one exhaust passage, and the one exhaust passage is preferably equipped with a lint filter and a blower unit.

In addition, the present invention preferably further comprises a steam generator for supplying steam into the guide duct by heating the water supplied from the water supply source.

Dryer according to the present invention, by including a guide duct surrounding the drying drum and a hot air supply duct connected to the guide duct, it is possible to introduce the hot air into the drying drum through the drying drum side.

Figure 2 is a side cross-sectional view showing a dryer according to a preferred embodiment of the present invention.

Referring to the drawings, the dryer of the present invention includes a cabinet 210 forming an appearance, the drying drum 130 is rotatably installed in the interior of the cabinet 110.

In addition, the heater 170 is installed at a predetermined position of the cabinet 110 to heat the air to supply the hot air to the drying drum 130, that is, the hot air.

In addition, an exhaust duct 179 for discharging the humid air heat-exchanged with the dry matter in the drying drum 130, a blower unit 178 for sucking the humid air is also mounted.

Meanwhile, the present invention illustrates and describes an indirect driving method of rotating the drying drum 130 using a motor (not shown) and the belt 165 for convenience, but is not limited thereto.

That is, the present invention is also applicable to a direct drive method (Direct Drive Type) in which a motor is directly connected to the rear surface of the drying drum 130 to directly rotate the drying drum 130.

The internal space of the drying drum 130 functions as a drying chamber in which drying proceeds, and inside the drying drum 130, a lift 131 is installed to draw up and drop the dry matter to flip the dry matter to increase the drying efficiency. Do.

Meanwhile, the front supporter 140 and the rear supporter 150 are installed between the drying drum 130 and the cabinet 110, respectively.

That is, the drying drum 130 is rotatably installed between the front supporter 140 and the supporter 150 and leaks between the front supporter 140 and the supporter 150 and the drying drum 130, respectively. A sealing member (not shown) for preventing is installed.

The front supporter 140 and the supporter 150 form a drying chamber by blocking the front and rear surfaces of the drying drum 130 and serve to support the front and rear ends of the drying drum 130.

In this case, an opening is formed in the front supporter 140 to communicate the drying drum 130 with the outside of the dryer, and the opening is selectively opened and closed by the door 114.

In addition, the front supporter 140 is connected to the exhaust duct 179 which is a passage through which the air of the drying drum 130 is discharged to the outside, and the lint filter 175 and the blower unit 178 are installed in the exhaust duct 179. do.

Therefore, when the blower unit 178 is operated, air in the drying drum 130 is discharged to the outside through the exhaust duct 179. Here, foreign matter such as lint is filtered in the lint filter 175.

On the other hand, the rear cover 112 is configured with a suction hole (112a) through which external air flows.

Here, referring to FIG. 1, in which a general dryer is shown, hot air of the dryer is discharged from the hot air supply duct 172 into the drying drum 130 through the through hole 150a of the supporter 150, and the exhaust duct 179. Hot air in the drying drum 130 is sucked through the suction hole 179c formed in the exhaust duct 179 by the blower unit 178 installed at

In this process, a hot air flow path is formed in the drying drum 130, the flow path is a movement path connecting the suction hole (179a) from the through hole (150a).

As such, since the hot air moves along the flow path, the hot air does not reach all of the building 101 rotating in the drying drum 130.

In order to overcome the above limitations, as shown in FIG. 2, the present invention provides a guide duct 180 surrounding the outer side of the drying drum 130 and a hot air supply connected from the heater 170 to the guide duct 180. Duct 172.

The guide duct 180 extends from the front supporter 140 supporting the tip of the drying drum 130 to the drying drum 130, and is spaced a predetermined distance from the drying drum 130 to dry the drum 130. It is configured to surround the outside of the.

That is, the guide duct 180 extends to the rear side from the end of the front supporter 140 to a certain degree, in this case to cover the entire outer surface of the drying drum 130 in a state that is spaced outwardly from the drying drum 130 by a certain degree. It is composed.

The guide duct 180 configured as described above serves to guide the hot air from the hot air supply duct 172 to flow through the outer portion of the drying drum 130.

Drying drum 130 during operation of the dryer to dry the drying in the drying drum 130 while rotating, there is a difficulty in connecting the hot air supply duct 172 to the side of the rotating drying drum (130).

In this case, since the guide duct 180 extending from the front supporter 140 is fixed without being rotated, the hot air supply duct 172 may be connected to the fixed guide duct 180.

Alternatively, the guide duct 180 to which the hot air supply duct 172 is fixed extends from the rear supporter 150 supporting the rear end of the drying drum 130 to the drying drum 130, and the drying drum 130. It may be spaced apart and a certain extent to surround the outer portion of the drying drum (130).

The guide duct 180 configured as described above is configured such that the edge of the guide duct 180 is bent toward the drying drum 130 so that hot air introduced from the hot air supply duct 172 does not flow out from the guide duct 180.

Furthermore, a sealing member (not shown) may be installed between the edge of the guide duct 180 and the drying drum 130 to prevent leakage.

On the other hand, the belt 165 rotated by a motor (not shown) is installed on the appropriate portion of the drying drum 130 outside the guide duct 180 is not installed to rotate the drying drum 130.

In addition, although not shown, the guide duct 180 may be provided in the cabinet 110 as a separate member rather than an extension from the front supporter 140 or the supporter 150.

That is, the guide duct 180 is configured to surround the drying drum 130 so as to guide the hot air from the hot air supply duct 172 to flow into the drying drum 130 through the side of the drying drum 130. It only needs to be, but the structure is not limited.

The drying drum 130 surrounded by the guide duct 180 has a plurality of through-holes 130a formed at portions covered by the guide duct 180.

Thus, the drying drum 130 has a plurality of through holes 130a at a predetermined portion wrapped in the guide duct 180, so that the hot air supplied from the hot air supply duct 172 to the guide duct 180 is transferred to the through holes ( Through 130a) to be introduced into the drying drum (130).

In addition, the drying drum 130 is provided with a lift 131 protruding inwardly along the longitudinal direction in the portion wrapped by the guide duct 180, a plurality of through-holes (131a) are also formed in such a lift 131 Hot air may be introduced into the drying drum 130 through the through hole 131a.

The present invention configured as described above, by introducing the hot air into the drying drum 130 through the drying drum 130 side, it is possible to increase the drying efficiency by spreading the hot air to the entire dry matter inside the drying drum (130).

Meanwhile, the general dryer of FIG. 1 includes an exhaust duct 179 having an inlet 179c in front of the drying drum 130. The configuration of the exhaust duct 179 is such that hot air in the drying drum 130 By flowing only toward the suction port 179c, the hot air may not reach the entire range in the drying drum 130.

Another embodiment of the present invention in which the configuration of the exhaust duct is improved to prevent such a point will be described with reference to FIG. 3.

The present invention is configured such that exhaust ducts are provided on the front and rear sides of the drying drum 130, respectively.

Since the first exhaust duct 179a formed on the front side of the drying drum 130 among the exhaust ducts has already been described above, a description thereof will be omitted.

The second exhaust duct 179b formed at the rear side of the drying drum 130 is connected to the rear supporter 150, and the rear supporter 150 has a plurality of through-holes 179d for exhausting hot air in the drying drum 130. Has

In addition, the second exhaust duct 179b is connected to the first exhaust duct 179a on the front side from the supporter 150 to form one exhaust passage.

That is, the first exhaust duct 179a and the second exhaust duct 179b are connected to each other, and an exhaust passage 179 'is formed as one exhaust passage from the connection portion.

The exhaust passage 179 ′ is equipped with a lint filter 175 for filtering lint and a blower unit 178 for forcibly exhausting the hot air in the drying drum 130.

According to the present invention configured as described above, the hot air is exhausted to the front and rear sides of the drying drum 130 so that the hot air extends to the entire dry matter inside the drying drum 130, thereby increasing the drying efficiency.

Figure 4 is a side cross-sectional view showing a dryer according to another preferred embodiment of the present invention.

Referring to the drawings, the present invention further includes a steam generator 190 for supplying steam into the guide duct 180 by heating water supplied from a water supply source (not shown).

The steam generator 190 is connected to the guide duct 180 and supplies steam generated by heating by a heating means (not shown) mounted therein to the guide duct 180.

Here, the steam generator 190 may be equipped with a nozzle 192 at the end to inject steam to the entire dry matter contained in the drying drum (130).

Such a steam generating device 190 may have a refreshing effect by sterilization of the dry matter, wrinkle removal and swelling of the cloth.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

1 is a view showing that a small amount of drying is drying while rotating in a typical dryer.

Figure 2 is a side cross-sectional view showing a dryer according to a preferred embodiment of the present invention.

Figure 3 is a side cross-sectional view showing a dryer according to another preferred embodiment of the present invention.

Figure 4 is a side cross-sectional view showing a dryer according to another preferred embodiment of the present invention.

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

179a: first exhaust duct 179b: second exhaust duct

180: guide duct 190: steam generator

192: nozzle

Claims (8)

cabinet; A drying drum rotatably installed in the cabinet and accommodating a dry matter; A heater provided in the cabinet to supply hot dry air into the drying drum; And A guide duct configured to surround the outer side of the drying drum to be spaced apart from the drying drum to some extent; A hot air supply duct connected to the guide duct from the heater and configured to introduce the hot air into the drying drum through a side of the drying drum; Dryer comprising a. The method of claim 1, The front supporter for supporting the front end of the drying drum is configured so that the drying drum is rotatable, The guide duct is a dryer, characterized in that extending from the front supporter to the drying drum to some extent. The method of claim 1, A supporter for supporting the rear end of the drying drum is configured so that the drying drum is rotatable, The guide duct is a dryer, characterized in that extending from the rear supporter to the drying drum to some extent. The method according to claim 2 or 3, The drying drum is a dryer, characterized in that a plurality of through-holes are formed in the area covered by the guide duct. The method according to claim 2 or 3, And the drying drum has a lift having a plurality of through holes and protruding inwardly along a length direction at a portion surrounded by the guide duct. The method according to claim 2 or 3, Dryer duct is provided on the front and rear sides of the drying drum, respectively. The method of claim 6, The exhaust ducts are connected to form one exhaust passage, and the one exhaust passage is equipped with a lint filter and a blower unit. The method according to claim 2 or 3, And a steam generator for supplying steam into the guide duct by heating water supplied from a water supply source.

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