KR20040063267A - A dryer - Google Patents

Abstract

PURPOSE: A drier is provided to reduce drying hours, to prevent damage of the laundry from concentration of discharge air, and to improve energy efficiency by drying the laundry evenly with discharging high temperature and low humidity air around the drum. CONSTITUTION: A drier comprises a case(52); a drum(60) turned and arranged in the case and opened in the front and the rear part; a first heater(80) installed in the case; a rear discharge unit(86) guiding air heated by the first heater in the rear part of the drum; a second heater(90) installed in the case; a front discharge unit(96) guiding air heated by the second heater in the front of the drum; a discharge unit(100) guiding internal air from the drum out of the case; a first blower fan(110) blowing internal air from the drum through the discharge unit out of the case; a second blower fan(120) blowing air to the second heater; and a driving unit rotating the first blower fan, the second blower fan and the drum.

Description

Dryer {A dryer}

The present invention relates to a dryer for drying clothes, and more particularly, to a dryer capable of supplying hot air from the front and rear sides of a drum.

In general, a clothes drying apparatus is a device for drying clothes by blowing dry hot air heated by a heater into an accommodation space in which clothes and the like are accommodated, and are divided into a dryer having only a drying function and a dry washing machine having a washing function.

The dryer lifts the clothes and the like while the drum rotates and drops them, and supplies the drying hot air passing through the heater to the inside of the drum to dry the clothes and the like.

Figure 1 is a schematic configuration diagram showing the air flow inside the dryer according to the prior art, Figure 2 is an exploded perspective view of the dryer according to the prior art, Figure 3 is a partially cutaway perspective view of the dryer according to the prior art.

In the conventional dryer, as shown in FIGS. 1 to 3, a case 2 having a to-be-constructed entry hole 2a formed on a front surface and forming an exterior of the dryer is rotatable inside the case 2. The drum 12 disposed in the front and rear directions so that the object is to be stored therein and air is passed through, the heater 18 disposed inside the case 2, and the heater 18 is heated while passing through the heater 18. The rear discharge duct 20 for guiding the rear of the drum 12 so that the high temperature and low humidity of the air can be discharged from the rear side of the drum 12 toward the front, and the air inside the drum 12 An exhaust means 22 for guiding the outside of the case 2, a blowing fan 30 for blowing air inside the drum 12 out of the case through the exhaust means 22, and the blowing fan ( 30 and motor 32 for generating a driving force for rotating drum 12, and motor 3 And a belt 40 interlocked with 2) to rotate the drum 12.

The drum 12 is disposed on the inner circumferential surface is a lift 11 for lifting the object to drop.

The exhaust means 22 has a lint duct 25 through which air in the drum 12 is sucked and a filter 24 is mounted to filter foreign matter, and the lint duct 25 communicates with the blower fan 30. It consists of a fan housing 26 enclosing the exhaust housing and an exhaust duct 27 having one end communicating with the fan housing 26 and the other end disposed outside the case 2.

On the other hand, the dryer supports the rear end of the drum 12 rotatably and has a rear supporter having a discharge network 15 so that the air discharged from the rear discharge duct 20 can be discharged to the drum 12 (14) and a front supporter (16) rotatably supporting the tip of the drum (12) and having an entry and exit hole (16a) formed at a rear portion of the entry and exit hole (2a). .

On the other hand, the case (2) is coupled to the cabinet (3) and the front end of the cabinet (3) forming a side of the dryer and the dry entry hole (2a) is formed in the center and the dry entry hole (2a) A cabinet cover 4 having a door 9 for rotatable opening and closing, and an air intake hole 5a coupled to a rear end of the cabinet 3 and into which outside air is sucked, and the exhaust duct ( A back panel 5 having a duct through hole 5b through which 27 is penetrated, a top cover 6 coupled to an upper surface of the cabinet 3 to form an upper surface of a dryer, and a top cover 6 above. It is composed of a combined control panel 7 and a base 8 coupled to the bottom of the cabinet 3 to form the bottom of the dryer and to which the heater 18 and the motor 32 are mounted.

Looking at the operation of the prior art configured as described above are as follows.

First, after inserting a dry object into the drum 12, closing the door 9 and operating the dryer, the motor 32 is driven to rotate the drum 12 and the blowing fan 30. The heater 18 heats and heats the air therein.

At this time, the dry matter in the drum 12 is lifted by the lift 11 and then dropped.

In addition, the air outside the case 2 is sucked into the air suction hole 5a by the blowing force generated when the blowing fan 30 is rotated, and is heated at high temperature and low humidity while passing through the inside of the heater 18. And is discharged into the drum 12 through the rear discharge duct 20 and the discharge network 15.

After the high temperature and low humidity air supplied into the drum 12 is in direct contact with the object to be dropped, the air is dried and moved to the front end side of the drum 12 while being converted into air of low temperature and high humidity. The lint duct 25, the fan housing 26, and the exhaust duct 27 are sequentially exhausted to the outside of the dryer.

However, in the conventional dryer, since the high temperature and low humidity air heated by the heater 18 is discharged intensively only at the rear end side of the drum 12, the temperature difference between the front end side and the rear end side of the drum 12 becomes large, and the discharged dry hot air. Only the dry matter on the rear end side of the drum 12 may be concentrated, and the dry matter on the rear end side of the drum 12 may be damaged, and the dry matter on the front end side of the drum 12 may take a long time to dry.

On the other hand, if the drying and cooling are repeated by turning on / off the heater 18 in order to prevent damage to the dry items as described above, there is a problem that the drying time of the dry items is long.

The present invention has been made to solve the problems of the prior art, it is an object of the present invention to provide a dryer with high energy efficiency to prevent damage to the dry matter and shorten the drying time.

1 is a schematic configuration diagram showing the air flow inside the dryer according to the prior art,

2 is an exploded perspective view of a dryer according to the prior art,

3 is a partially cutaway perspective view of a dryer according to the prior art,

Figure 4 is a schematic configuration diagram showing the air flow inside the dryer according to the present invention,

5 is an exploded perspective view of one embodiment of a dryer according to the present invention;

6 is a partially cutaway perspective view of an embodiment of the dryer according to the present invention;

7 is an internal side view of the dryer according to the present invention;

8 is a plan view of the interior of the dryer according to the present invention.

<Explanation of symbols on main parts of the drawings>

52: case 60: drum

61: lift 66: rear supporter

67: discharge hole 70: front supporter

71: discharge hole 80: first heater

86: rear discharge means 90: second heater

96: forward discharge means 100: exhaust means

101: filter 102: lint duct

104: first fan housing 106: exhaust duct

110: first blowing fan 120: second blowing fan

121: second fan housing 130: biaxial motor

136: belt

Dryer according to the present invention for solving the above problems is a case; A drum rotatably disposed inside the case and opened back and forth; A first heater installed inside the case; Rear discharge means for guiding the air heated by the first heater to be discharged from the rear side of the drum; A second heater installed inside the case; Front discharge means for guiding the air heated by the second heater to be discharged from the front side of the drum; Exhaust means for guiding the air inside the drum to the outside of the case; A first blowing fan for blowing air inside the drum to the outside of the case through the exhaust means; A second blowing fan for blowing air to the second heater; And a driving means for rotating the drum and the first blowing fan, the second blowing fan, and the like.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is a schematic configuration diagram showing the air flow inside the dryer according to the invention, Figure 5 is an exploded perspective view of one embodiment of the dryer according to the invention, Figure 6 is a partially cutaway perspective view of one embodiment of the dryer according to the invention 7 is an internal side view of the dryer according to the present invention, Figure 8 is an internal plan view of the dryer according to the present invention.

Dryer according to the present invention, as shown in Figures 4 to 8, the case 52; A drum (60) rotatably disposed in the case (52) and opened back and forth; A first heater (80) installed in the case (52); Rear discharge means (86) for guiding the air heated by the first heater (80) to be discharged from the rear side of the drum (60); A second heater (90) installed in the case (52); Front discharge means (96) for guiding the air heated by the second heater (90) to be discharged from the front side of the drum (60); Exhaust means (100) for guiding air in the drum (60) to the outside of the case (52); A first blowing fan (110) for blowing air inside the drum (60) to the outside of the case (52) through the exhaust means (100); A second blowing fan (120) for blowing air to the second heater (90); The first blowing fan 110, the second blowing fan 120 and the drive means for rotating the drum 60 is configured.

The case 52 has a cabinet 53 forming a side surface of the dryer, and a dry matter entry hole 52a is formed at the center of the cabinet 53, and the dry matter entrance hole 52a is formed at the center thereof. A cabinet cover 54 in which a door 59 for opening and closing is rotatably mounted, and an air suction hole 55a coupled to the rear end of the cabinet 53 and suctioning outside air are formed and the exhaust means 100 is provided. A back panel 55 having a through hole 55b through which one side thereof penetrates, a top cover 56 coupled to an upper surface of the cabinet 53 to form an upper surface of the dryer, and an upper portion of the top cover 56. Composed of a control panel 57 and a base 58 coupled to the lower end of the cabinet 53 to form the bottom surface of the dryer, the first heater 80 and the second heater 90 is mounted do.

The drum 60 is disposed on the inner circumferential surface so that the lift 61 is lifted and dropped, and the drum 60 is rotatably supported inside the case 52.

The dryer supports the rear end of the drum 60 in a rotatable manner, and a rear supporter 66 having a discharge hole 67 communicating with the rear discharge means 86 at one side thereof, and the drum 60 of the drum 60. The front supporter 70 is rotatably supported at the front end and has a discharge hole 71 connected to the front discharge means 96 on one side thereof.

Here, the rear supporter 66 is a circular stepped portion 68 protruding stepwise from the front center to rotatably support the rear end of the drum 60, and the guide roller 69 on which the drum 60 is raised. ) Is placed.

On the other hand, the front supporter 70 has a laundry access hole 72 is formed in the center, a communication hole 73 in communication with the inlet portion 103 of the exhaust means 100 is formed at the bottom, the back A ring guide protrusion (not shown) rotatably supporting the tip of the drum 60 and a guide roller 74 on which the drum 60 is mounted are disposed.

The first heater 80 includes a hollow heater case and a heating coil arranged inside the heater case. When power is supplied to the heating coil, the heater case inner space and the heater case are heated to pass through the heater case. Heat the air to dry.

The rear discharge means 86 is a first guide duct, one end of which is connected to the outlet 82 of the first heater 80 and the other end of which is connected to the discharge hole 67 of the rear supporter 66.

The second heater 90 is composed of a heater case hollowed out in the same manner as the first heater 80, and a heating coil arranged inside the heater case, and the inlet 97 of the front discharge means 96 and It is disposed between the second blowing fan 120.

The front discharge means 96 is a second guide duct, one end of which is connected to the outlet of the second heater 90 and the other end of which is connected to the discharge hole 71 of the front supporter 70.

The exhaust means 100 has a lint duct 102 in which air in the drum 60 is sucked and a filter 101 is mounted to filter foreign matter, and the lint duct 102 communicates with the first blowing fan. A first fan housing 104 enclosing 110 and an exhaust duct 106 having one end communicated with the first fan housing 104 and the other end disposed outside the case 52.

The driving means includes a biaxial motor 130 having one shaft connected to the first blowing fan 110 and the second blowing fan 120 in turn, and a pulley 132 mounted to the other shaft, the pulley 132 and the drum ( And a belt 136 wound around the periphery of 60.

The first blowing fan 110 is connected to one shaft end of the two-axis motor 130.

The second blowing fan 120 is connected to the center of one axis of the two-axis motor 130 to be located behind the first fan housing 104, the amount of high temperature and low humidity in the front side of the drum (60) The surrounding air is forcibly blown to the second heater 90 so that the air of the air can be discharged.

Reference numeral 121 is a second fan housing surrounding the second blowing fan 120, and reference numeral 139 is a motor support for supporting the two-axis motor 130.

Referring to the operation of the present invention configured as described above are as follows.

First, after inserting a dry object into the drum 60, closing the door 59 and operating the dryer, the motor 130 is driven to the drum 60 and the first blowing fan 110 And the second blowing fan 120 are rotated, and power is applied to the first heater 80 and the second heater 90 to dry and heat the air therein.

At this time, the dry items in the drum 60 are lifted by the lift 61 and then dropped.

And, the air outside the case 52 is the air suction hole (55a) by the blowing force inside the case 52 generated when the first blowing fan 110 and the second blowing fan 120 rotates. The air is sucked into the case 52 and the sucked air is heated by air of high temperature and low humidity while passing through the inside of the first heater 80 and the second heater 90, and then the It is discharged from the rear side and the front side, respectively.

That is, the air heated while passing through the inside of the first heater 80 passes sequentially through the discharge hole 67 of the rear discharge means 86 and the rear supporter 66, and at the rear side of the drum 60. After discharging, the dry items are dried while being moved toward the front of the drum 60, and the dried air is moved to the front end side of the drum 60, and then purged while passing through the filter 101. The lint duct 102, the fan housing 104, and the exhaust duct 106 are sequentially passed through and exhausted to the outside of the dryer.

In addition, the air heated while passing through the inside of the second heater 90 passes through the discharge holes 71 of the front discharge means 96 and the front supporter 70 in order, and thus the front side of the drum 60. After discharged from the drum to move toward the rear of the drum 60 to dry the dried object, the dried air is mixed with the air discharged from the rear side of the drum 60 to the front end side of the drum 60 It is pivoted and moved to the front end side of the drum 60, and is purified while passing through the filter 101, and passes through the lint duct 102, the fan housing 104 and the exhaust duct 106 in order to the outside of the dryer. Exhausted.

On the other hand, since the dryer blows the surrounding air to the second heater 90 while the dryer is drying the article as described above, the front side of the drum 60 is more. A large amount of high temperature and low humidity air is discharged, and the dry matter inside the drum 60 is evenly dried by the air discharged from the front and rear of the drum 60.

In the dryer according to the present invention configured as described above, the first blowing fan blows the air inside the drum to the outside of the case so that the air is sucked through the first heater and the second heater, and the second blowing fan is the second blowing fan. The air is forcedly blown by the heater, and the high temperature and low humidity air heated by the first heater is discharged from the rear side of the drum through the rear discharge means, and the high temperature and low humidity air heated by the second heater is discharged through the front discharge means. The discharged from the front side can be dried evenly by the high temperature and low humidity air discharged from the front and rear of the drum, and the drying time of the dried product can be shortened.

In addition, since the air of the high temperature and low humidity is discharged evenly before and after the inside of the drum, it is possible to prevent damage to the dry matter that may occur during the concentrated discharge of the high temperature and low humidity air, and the cooling process to prevent damage to the fabric is unnecessary Drying time can be shortened, there is an advantage that the energy efficiency can be improved.

In addition, the dryer comprises a biaxial motor connected to the first blower fan and the second blower fan on one axis, the pulley is mounted on the other shaft, and a belt wound around the outer periphery of the pulley and the drum, Since the two blowing fans and the drum can be rotated, a separate motor for rotating the second blowing fan is unnecessary, which has the advantage of reducing the cost.

In addition, since the first blower fan is connected to one shaft end, and the second blower fan is connected to the center of one shaft, the two-axis motor has an advantage of easily mounting the first blower fan and the second blower fan.

In addition, the dryer includes a rear supporter rotatably supporting the rear end of the drum and having a discharge hole formed at one side thereof, and a front supporter rotatably supporting the front end of the drum and formed at one side thereof; The discharging means is composed of a first guide duct, one end of which is connected to the outlet of the first heater and the other end of which is connected to the discharge hole of the rear supporter, and the front discharging means of which one end is connected to the outlet of the second heater. The other end is composed of a second guide duct connected in communication with the discharge hole of the front supporter, there is an advantage that the high temperature and low humidity air passing through the first heater and the second heater can be easily discharged to the front and rear sides of the drum have.

Claims (4)

A case; A drum rotatably disposed inside the case and opened back and forth; A first heater installed inside the case; Rear discharge means for guiding the air heated by the first heater to be discharged from the rear side of the drum; A second heater installed inside the case; Front discharge means for guiding the air heated by the second heater to be discharged from the front side of the drum; Exhaust means for guiding the air inside the drum to the outside of the case; A first blowing fan for blowing air inside the drum to the outside of the case through the exhaust means; A second blowing fan for blowing air to the second heater; And a driving means for rotating the drum and the first blowing fan, the second blowing fan, and the drum. The method of claim 1, And the second heater is disposed between the inlet of the front discharge means and the second blowing fan. The method of claim 1, The driving means is a dryer, characterized in that the first blower fan and the second blower fan is connected to one axis and a pulley is mounted on the other shaft and the belt wound around the outer periphery of the pulley and the drum. The method of claim 1, The dryer includes a rear supporter rotatably supporting the rear end of the drum and having a discharge hole at one side, and a front supporter rotatably supporting the front end of the drum and having a discharge hole at one side. The rear discharge means is a first guide duct, one end of which is connected to the outlet of the first heater and the other end of which is in communication with the discharge hole of the rear supporter, And said front discharge means is a second guide duct, one end of which is connected to the outlet of the second heater and the other end of which is connected to the discharge hole of the front supporter.