KR100669182B1 - Circulator for inhalation and exhaust of dryer - Google Patents

Abstract

An intake and exhaust air circulation system of a drier is provided to reduce the number of parts and drying time, and to cut down expenses by actively circulating air in driving an intake fan and an exhaust fan with a single motor. An intake and exhaust air circulation system of a drier includes a cabinet(50) having an opening part, an intake port and an exhaust port, a drum(60) rotated and installed in the opening part to contain the laundry, an intake fan(72) installed in the intake port, an intake pipe(70) installed between the drum and the intake fan so as to guide air from the intake fan into the drum, a heater(74) mounted between the intake pipe and the intake fan, an exhaust fan(82) installed between the drum and the exhaust port, an exhaust pipe(80) installed between the exhaust fan and the exhaust port, and a driving motor(90) connected to rotating shafts of the intake fan and the exhaust fan. The drum is cylindrically formed and opened in front and rear parts. The rear part of the drum is rotated and installed in a support panel(62) with a penetration hole, and a gasket is mounted between the front end of the drum and the opening part of the cabinet.

Description

Intake and Ventilation Circulator of Dryer {CIRCULATOR FOR INHALATION AND EXHAUST OF DRYER}

1 is a block diagram showing a dryer according to the prior art.

2 is a perspective view of a dryer according to the prior art.

Figure 3 is a rear perspective view showing the configuration of the dryer according to the present invention.

Figure 4 is a front perspective view showing the configuration of the dryer according to the present invention.

5 is a rear perspective view showing the suction port and the discharge port of the dryer according to the present invention.

6 is a plan view showing a suction flow path of the dryer according to the present invention.

Figure 7 is a side sectional view showing a suction flow path of the dryer according to the present invention.

8 is a plan view showing the exhaust passage of the dryer according to the present invention.

<Explanation of symbols on main parts of the drawings>

50: cabinet 52: inlet

54 discharge port 60 drum

62: support panel 62a: through hole

64: gasket 64a: outlet

70: intake pipe 72: intake fan

74: heater 80: exhaust pipe

82: exhaust fan 84: housing

86: connector 90: drive motor

92: first axis of rotation 94: second axis of rotation

96: belt

The present invention relates to an intake and exhaust circulation circuit of a dryer, and more particularly, to an intake and exhaust circulation system of a dryer in which an intake fan and an exhaust fan are driven by one motor, so that the intake and exhaust air flows smoothly and the number of parts is reduced.

In general, the clothes drying apparatus is a device that blows dry hot air heated by a heater in an accommodation space in which clothes and the like are accommodated to dry clothes, and is described based on Korean Patent Publication No. 10-2005-0061878.

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

1 and 2, the conventional dryer forms the exterior of the dryer and has a case 2 formed on the front of a dry matter entrance, and is rotatably disposed inside the case 2 and avoided therein. The drum 12, which is opened in the front-rear direction so that the dry matter is accommodated and the air passes therethrough, the heater 18 which is disposed inside the case 2 and heats the sucked air, and passes through the heater 18 An intake duct 20 for guiding heated air to the rear of the drum 12, an exhaust means 22 for discharging the turbid air while drying the object to the outside of the case 2, and the exhaust means ( 22 is provided with a blowing fan (not shown), a motor (not shown) and a belt 40 for rotationally driving the drum 12 and the blowing fan.

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.

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

First, after the object is put into the drum 12, the door is closed and the dryer is operated. As the motor is driven, the drum 12 and the blowing fan rotate, and the heater 18 is also operated. Done.

At this time, as the drum 12 is rotated, the dry items in the drum are lifted by the lift 11 and then dropped. In addition, the outside air is heated into the high temperature and low humidity air while being sucked into the inside of the heater 18 by the blowing force generated when the blowing fan is rotated, and then the drum 12 of the drum 12 is passed through the intake duct 20. It is discharged to the inside.

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. It is discharged out of the dryer through the exhaust duct 27.

However, the dryer according to the prior art has both intake and exhaust by one blower fan, so the amount of air flowing through the drum is not sufficient, so that the time required for the drying of the dry matter takes more than a certain time. There is a problem that it is difficult to save the required time and cost.

The present invention has been made in order to solve the above problems of the prior art, the intake fan for flowing the air flowing into the drum and the exhaust fan for discharging the air inside the drum to the outside of the cabinet is installed separately, smooth air circulation The purpose is to provide an intake and exhaust circulation circuit of a dryer to reduce the time and cost of the drying operation.

In addition, the intake fan and the exhaust fan is driven by a single motor, the purpose is to provide an intake and exhaust circulation circuit of the dryer to facilitate the circulation of the air and at the same time reduce the number of parts.

The intake and exhaust circulation circuit of the dryer according to the present invention for solving the above problems is an opening is formed on one side, the cabinet formed with the inlet and outlet, the drum is rotatably installed inside the opening to accommodate the laundry, and the inlet An intake fan installed inside, an intake pipe installed between the drum and the intake fan to guide air introduced by the intake fan into the drum, a heater provided between the intake pipe and the intake fan, and the drum; And an exhaust fan disposed between the discharge ports, an exhaust pipe installed between the exhaust fan and the discharge port, and a driving motor to which the rotation shafts of the exhaust fan and the intake fan are connected.

Hereinafter, with reference to the accompanying drawings an embodiment of the intake and exhaust circulation circuit of the dryer according to the present invention will be described in detail.

Figure 3 is a rear perspective view showing the configuration of the dryer according to the invention, Figure 4 is a front perspective view showing the configuration of the dryer according to the present invention, Figure 5 is a rear view showing the inlet and outlet of the dryer according to the invention Perspective view.

Dryer according to the present invention forms a predetermined space, the opening is formed on one side, the cabinet 50 is formed with the suction port 52 and the discharge port 54, and the drum is rotatably installed inside the opening to accommodate the laundry ( 60, an intake fan 72 provided inside the suction port 52, and air provided between the drum 60 and the intake fan 72 to guide the air introduced by the intake fan 72 into the drum 60. An intake pipe 70 to be provided, a heater 74 provided between the intake pipe 70 and the intake fan 72, and an exhaust fan 82 provided between the drum 60 and the discharge port 54; In addition, an exhaust pipe (80) installed between the exhaust fan (82) and the discharge port (54), and a driving motor (90) connected to the rotation shaft of the exhaust fan (82) and the intake fan (72) are included.

Thus, when power is applied to the driving motor 90 by the user's manipulation, the intake fan 72 and the exhaust fan 82 are rotated to circulate air, and the air introduced through the inlet 52 is a heater 74. It is converted into hot air while passing through) and supplied into the drum 60, and the laundry is dried while being in contact with the wet laundry inside the drum 60.

Thereafter, the air discharged by the exhaust fan 82 is discharged to the outside through the discharge port 54 of the cabinet 50 along the discharge pipe 80, thereby performing a drying operation.

Here, the suction port 52 and the discharge port 54 are formed in the lower bottom of the rear surface of the cabinet 50 as shown in Figure 5, the discharge port 54 is formed in the center, the suction port 52 is one corner side Is formed.

In addition, the drum 60 is formed in a cylindrical shape in which the front and rear surfaces thereof are opened, and the front surface thereof is rotatably installed in the support panel 62 having the through hole portion 62a formed therein.

In addition, as shown in FIG. 7, the drum 60 is provided with a gasket 64 between the front end and the opening of the cabinet 50, and a discharge port 64a is provided at the lower end of the gasket 64. Is formed.

An extension tube 86 facing the exhaust fan 82 is provided at the discharge port 64a, and a housing 84 in which the exhaust fan 82 is rotatably embedded between the extension tube 86 and the exhaust pipe 80. ) Is installed.

The intake pipe 70 includes a passage extending from the bottom of the rear surface of the cabinet 50 corresponding to the heater 74 to the top of the rear surface of the cabinet 50 corresponding to the through hole portion 62a. The air flowing along the 72 is converted to the air having a predetermined temperature or more while passing through the heater 74 and moved upwardly of the cabinet 50 along the intake pipe 70, and the drum 60 through the through-hole part 62a. Flows inside.

At this time, the drum 60 connected to the drive motor 90 and the belt 96 is rotated so that the contact area of the hot air and the laundry is increased, thereby drying the laundry.

The drive motor 90 is provided with a first rotation shaft 92 on one side, a second rotation shaft 94 on the other side, the intake fan 72 is installed on the first rotation shaft 92, and a second rotation shaft ( Since the exhaust fan 82 is connected to the double shaft motor 94, the first rotation shaft 92 and the second rotation shaft 94 are simultaneously rotated when power is applied to the driving motor 90.

Here, the belt 96 is installed on the first rotating shaft 92, the belt 96 is fastened to the drum 60, when the power is applied to the drive motor 90, the intake fan 72, the exhaust fan ( 82 and the drum 60 are rotated at the same time, so that one motor is driven, so that the circulation of air to and from the drum can be performed simultaneously with the rotation of the drum 60.

Looking at the operation of the intake and exhaust device of the dryer according to the present invention configured as described above are as follows.

First, when power is applied to the driving motor 90 by a user's manipulation, the intake fan 72, the exhaust fan 82, and the drum 60 connected to the first and second rotating shafts 92 and 94 rotate. Bar, the air introduced into the cabinet 50 along the inlet 52 by the intake fan 72 is injected to the circumferential surface of the intake fan 72 as shown in FIG. 6 while passing through the heater 74 at a constant temperature. The air which has been converted to the above and has passed through the heater 74 is moved upward of the cabinet 50 along the intake pipe 70 formed long in the vertical direction on the rear surface of the cabinet 50 as shown in FIG. 7.

Thereafter, the air introduced into the drum 60 through the through-hole part 62a flows in a whirlwind shape, contacts with the laundry, and performs a drying operation. The gasket provided between the opening of the drum 60 and the inner wall of the cabinet 50 ( A discharge port 64a is formed at 64, and the air discharged out of the drum 60 along the discharge port 64a flows through the connecting pipe 86 to the housing 84 of the exhaust fan 82. It moves along the exhaust pipe 80 in the housing 84 and is discharged out of the cabinet 50 through the discharge port 54.

As a result, since the intake fan, the exhaust fan, and the drum are rotated by one drive motor, the intake / exhaust circulation device of the dryer can be configured to smoothly circulate air to the inside and the outside of the drum with a small number of parts.

The intake and exhaust circulation circuit of the dryer according to the present invention configured as described above is connected to one intake fan, an exhaust fan, and a drum, so that the air circulated to the inside and the outside of the drum by the intake fan and the exhaust fan is made smoothly. As a result, the time required for the drying operation is reduced, and the number of parts is reduced because a plurality of fans are driven by one driving motor, and the cost for the drying operation is also reduced.

Claims (7)

An opening formed at one side, and a cabinet having an inlet and an outlet; A drum rotatably installed inside the opening to accommodate laundry; An intake fan installed inside the suction port; An intake pipe disposed between the drum and the intake fan to guide air introduced by the intake fan into the drum; A heater installed between the intake pipe and the intake fan; An exhaust fan provided between the drum and the discharge port; An exhaust pipe disposed between the exhaust fan and the discharge port; And a driving motor connected to the exhaust fan and the rotation shaft of the intake fan. The method of claim 1; The drum is formed in a cylindrical shape with the front and the back opening, the front and the back corresponding to the opening, the intake and exhaust circulator of the dryer, characterized in that the back surface is rotatably installed on the support panel formed with a through hole. The method of claim 2; The drum is provided with a gasket between the front end and the opening of the cabinet, the inlet and outlet circulation device of the dryer, characterized in that the outlet is formed in the lower end of the gasket. The method of claim 3; The outlet port is provided with an extension pipe directed toward the exhaust fan side, the housing between the extension pipe and the exhaust pipe is provided with a housing in which the exhaust fan is rotatably embedded. The method of claim 1; And the intake pipe is a passage extending from the bottom of the rear surface of the cabinet corresponding to the heater to the top of the rear surface of the cabinet corresponding to the through hole. The method of claim 1; The drive motor is a biaxial motor that is provided with a first rotating shaft on one side, the second rotating shaft is installed on the other side, the intake fan is installed on the first rotating shaft, the exhaust fan is connected to a second rotating shaft. Intake and exhaust circulation of the dryer. The method of claim 6; Intake and exhaust circulator of the dryer, characterized in that the belt is fastened to the drum is installed on the first rotation shaft.

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