KR100762331B1 - Dryer having nozzle type indrawn tube - Google Patents

Abstract

A dryer having a nozzle type intake pipe is provided to reduce dry time by installing the intake fan and the vent fan and to reduce number of components by driving an intake fan and a vent fan using one motor. A dryer having a nozzle type intake pipe comprises a cabinet(50), a drum(60), an intake fan(72), a heater(74), and an intake pipe(70). An intake port and a vent port are formed at the cabinet. The drum is rotatably installed at an internal part of the cabinet, wherein the laundry is put and a through-hole unit is formed. The intake fan is installed at the internal part of the intake port. The heater is installed between the drum and the intake fan. The intake pipe is installed between the through-hole unit and the heater. An air path of the intake pipe has relatively smaller sectional area than the through-hole unit or the heater. The intake pipe is connected with the through-hole unit. A chamber is installed at the nozzle type intake pipe. An air path of the chamber has relatively larger sectional are than the intake pipe.

Description

Dryer with nozzle type intake pipe {DRYER HAVING NOZZLE TYPE INDRAWN TUBE}

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

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dryer, and more particularly, to a dryer having a nozzle type intake pipe which allows the speed of air introduced into a drum to be increased, thereby suppressing heat loss generated during the flow of air.

1 is a block diagram showing a dryer according to the prior art, Figure 2 is a perspective view showing a dryer according to the prior art.

1 and 2, the conventional dryer forms the appearance of the dryer and the case 2 is formed on the front and the entrance to the object, the inside of the case (2) is rotatably disposed and the object to be dried therein The drum 12, which is accommodated and opened in the front-rear direction to allow air to pass through, the heater 18 disposed inside the case 2 to heat the sucked air, and the heated air passed through the heater 18 The intake duct 20 for guiding the back of the drum 12, the exhaust means 22 for discharging the turbid air while drying the object to the outside of the case 2, and the exhaust means 22. Blowing fan (not shown) installed in, and the motor (not shown) and the belt 40 for driving the drum 12 and the blowing fan rotation.

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 by 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 inside of the drum 12 through the intake duct 20. Is discharged.

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 to the outside of the dryer through the exhaust duct (27).

However, the dryer according to the prior art has both the intake and exhaust by one blower fan, so the amount of air flowing through the drum is not sufficient, so the time required for the drying of the building to be completely dried requires a certain time. There is a problem that it is difficult to save time and costs.

In addition, since the dryer according to the prior art does not have a separate device for smoothing the flow of air other than the blowing fan, it is difficult to increase the speed of the air passing through the intake pipe by a predetermined value or more. Since the heat loss is generated while moving, there is a problem that the heat efficiency of the heater is not improved more than a predetermined value.

The present invention has been made to improve the above problems of the prior art, it provides a dryer having a nozzle type intake pipe to smoothly circulate the air to reduce the time and cost required for the drying operation There is a purpose.

In addition, an object of the present invention is to provide a drier having a nozzle type intake pipe to smoothly circulate air and reduce the number of parts.

In addition, an object of the present invention is to provide a dryer having a nozzle type intake pipe for improving the efficiency of the heat by improving the speed of the moving air, thereby reducing the heat loss.

Dryer having a nozzle-type intake pipe according to the present invention for solving the above problems is a cabinet in which the suction port and the discharge port is formed, the drum is rotatably installed in the cabinet to accommodate the laundry and the through-hole is formed, the suction port inside An intake fan installed in the intake fan, a heater installed between the drum and the intake fan, and an intake pipe installed between the through hole part and the heater and having a relatively small cross-sectional area of the air flow path compared to the through hole part and the heater. It is characterized by including.

In addition, the through-hole part of the present invention is characterized in that the intake pipe is connected, the chamber is formed with a relatively larger cross-sectional area of the air flow path than the intake pipe.

In addition, the dryer provided with a nozzle-type intake pipe according to the present invention has an opening formed at one side, a cabinet having an inlet and an outlet formed therein, a drum rotatably installed inside the opening to accommodate laundry, and installed inside the intake port. An intake fan, an intake pipe installed 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, and an exhaust installed between the drum and the discharge port A fan, an exhaust pipe installed between the exhaust fan and the discharge port, characterized in that it comprises a drive motor connected to the rotary shaft of the exhaust fan and the intake fan.

Hereinafter, an embodiment of a dryer having a nozzle type intake pipe according to the present invention will be described in detail with reference to the accompanying drawings.

For convenience of explanation, a dryer provided with a nozzle type intake pipe will be described as an example.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

Therefore, the definitions of these terms should be made based on the contents throughout the specification.

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.

In addition, Figure 6 is a plan view showing a suction flow path of the dryer according to the present invention, Figure 7 is a side cross-sectional view showing a suction flow path of the dryer according to the present invention, Figure 8 is an exhaust flow path of the dryer according to the present invention is shown Top view.

3 to 8, a dryer having a nozzle type intake pipe according to an embodiment of the present invention forms a predetermined space, an opening is formed at one side, and a cabinet having an inlet port 52 and an outlet port 54 formed therein. 50, a drum 60 rotatably installed inside the opening and accommodating laundry, an intake fan 72 provided inside the suction port 52, and between the drum 60 and the intake fan 72. An intake pipe 70 installed to allow air introduced by the intake fan 72 to be guided into the drum 60, a heater 74 provided between the intake pipe 70 and the intake fan 72; An exhaust fan 82 provided between the drum 60 and the discharge port 54, an exhaust pipe 80 provided between the exhaust fan 82 and the discharge port 54, the exhaust fan 82, and the exhaust fan 82. The drive motor 90 is connected to the rotating shaft of the intake fan 72 is configured to include.

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 at the bottom of the rear surface of the cabinet 50, the discharge port 54 is formed in the center, the suction port 52 is formed on one side edge.

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, 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 formed at the lower end of the gasket 64.

An extension tube 86 facing the exhaust fan 82 is provided at the discharge port 64a, and the housing 84 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.

Here, the intake pipe 70 is formed with a relatively small cross-sectional area of the air passage as compared with the through-hole portion 62a and the heater 74.

In addition, a chamber 62b having a larger cross-sectional area of the air flow path is formed in the through-hole portion 62a than the intake pipe 70, and the intake pipe 70 is connected to one side of the chamber 62b.

As a result, the air heated to a high temperature by the heater 74 becomes faster as it passes through the intake pipe 70 and is injected into the drum 60 through the chamber 62b within a predetermined time.

Since the heated air flows at a high speed, the heat loss generated while flowing along the intake pipe 70 is suppressed.

Therefore, even if the heater 74 having a small capacity is provided, the hot air required in the drum 60 can be supplied.

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 front 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 two-axis motor 94, when the power is applied to the driving motor 90, the first rotational shaft 92 and the second rotational shaft 94 are simultaneously rotated.

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. The air introduced into the cabinet 50 by the intake fan 72 through the intake fan 72 is injected into the circumferential surface of the intake fan 72 and converted to a predetermined temperature or more while passing through the heater 74. The air passing through 74 is moved upwardly of the cabinet 50 along the intake pipe 70 formed long in the vertical direction on the rear surface of the cabinet 50.

At this time, the air passing through the intake pipe 70 is increased in flow rate by the intake pipe 70 is formed smaller than the diameter of the case constituting the heater 74.

Since the air passing through the intake pipe 70 passes through the intake pipe 70 within a short time due to the increased moving speed, heat loss is suppressed.

Thereby, even if the heater 74 of small capacity is provided, the heat energy requested | required inside the drum 60 can be supplied.

In addition, the hot air injected from the intake pipe 70 passes through the chamber 62b into the drum 60, and the chamber 62b includes a portion of the inner wall of the drum 60 in which the hot air injected from the intake pipe 70 passes. Only to prevent intensive spraying.

This is because the air injected from the intake pipe 70 is supplied to the inside of the drum 60 after colliding with the inner wall of the chamber 62b.

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.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

In addition, although a dryer having a nozzle type intake pipe has been described as an example, this is merely illustrative, and the intake pipe of the present invention may be used in other products than the intake pipe used in the dryer.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

The dryer having the nozzle type intake pipe according to the present invention configured as described above has an advantage that the intake fan and the exhaust fan are installed to smoothly circulate air, thereby reducing the time and cost required for the drying operation.

In addition, since the intake fan and the exhaust fan are driven by a single motor, the present invention has an advantage of lowering the product cost by smoothly circulating air and reducing the number of parts.

In addition, the present invention has the advantage that by installing the nozzle type intake pipe, the speed of the moving air is improved, thereby reducing the heat loss to improve the thermal efficiency, so that the installation of a small capacity heater can be lowered and the cost of the product is further lowered. .

Claims (3)

A cabinet formed with a suction port and a discharge port; A drum rotatably installed inside the cabinet to accommodate laundry and to form a through hole; An intake fan installed inside the suction port; A heater installed between the drum and the intake fan; And And an intake pipe disposed between the through hole portion and the heater, the intake pipe having a relatively small cross-sectional area of an air flow path compared with the through hole portion and the heater. The method of claim 1, And a chamber in which the intake pipe is connected to the through hole, and a chamber having a larger cross-sectional area of the air flow path is formed in comparison with the intake pipe. 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 installed 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 installed between the drum and the discharge port; An exhaust pipe disposed between the exhaust fan and the discharge port; And And a drive motor connected to the exhaust fan and the rotation shaft of the intake fan.

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