KR100751801B1 - Dryer having indrawn tube with heater - Google Patents

Abstract

A dryer having a heater embedded suction tube is provided to reduce time and costs requiring for a dry process by reducing thermal loss and improving thermal efficiency. A dryer having a heater embedded suction tube includes a suction tube(70), a cabinet(50), a heater(74), a through hole, and a drum(60). The suction tube is elongated from a lower part of the cabinet up to an upper part of a rear plane of the cabinet corresponding to the through hole. The air introduced into the cabinet passes through the heater which heats the air up to more than a predetermined temperature, moves in the suction tube to an upper part of the cabinet, and introduces into the drum through the through hole. The heater is installed inside of the suction tube so as to inhibit thermal energy loss of heated air by making a distance between the heater and the drum short.

Description

Dryer with heater intake pipe {DRYER HAVING INDRAWN TUBE WITH HEATER}

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art.

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

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

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

5 is a front perspective view showing a support panel of the dryer according to an embodiment of the present invention.

6 is a front perspective view showing an intake pipe of a dryer according to an embodiment of the present invention.

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

8 is a plan view showing the exhaust passage of the dryer according to an embodiment of 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

62b: second hole 64: front panel

64a: outlet 70: intake pipe

70a: branch pipe 74: heater

80 exhaust pipe 82 exhaust fan

84 housing 86 connector

90: drive motor 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 heater-intake pipe to prevent overheating inside a drum by improving the structure of an intake pipe to which hot air is supplied.

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art, Figure 2 is a partial cutaway perspective view showing a dryer according to the prior art.

1 and 2, the case 2, which forms the exterior of the dryer and has an entry port formed on a front surface thereof, is rotatably disposed in the case 2 and accommodated therein. The drum 12 opened in the front-rear direction to allow air to pass therethrough, a heater 18 disposed inside the case 2 to heat the sucked air, and heated air passed through the heater 18. An intake duct 20 guiding to the rear of 12, an exhaust means 22 for discharging the clouded air while drying the object to the outside of the case 2, and a blowing air provided in the exhaust means 22 It includes a fan (not shown), a motor (not shown) and a belt 40 for rotationally driving the drum 12 and the blowing fan.

A lift 11 is disposed on the inner circumferential surface of the drum 12 to lift and drop the object to be dried.

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 matter in the drum is lifted by the lift 11 and then dropped. In addition, the outside air is heated by 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 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 out of the dryer through the exhaust duct 27.

However, the dryer according to the prior art is provided with a separate tube extending further from the intake pipe and disposed inside the cabinet, and since the heater is installed inside the tube, the distance between the heater and the drum cannot be reduced below a certain distance. There is a problem that heat loss occurs while the air heated above a predetermined temperature in the heater flows into the drum.

In addition, the drier according to the prior art has a problem in that the inside of the cabinet is easily overheated because both the driving motor and the heater which are easily overheated are installed in the cabinet. have. Therefore, there is a need for improvement.

The present invention has been made to improve the above problems of the prior art, by improving the structure of the intake pipe, the heater built-in intake pipe to reduce the heat loss generated by moving the air heated by the heater to the drum The purpose is to provide a dryer having a.

In addition, an object of the present invention is to provide a drier having a heater-intake pipe that can prevent the internal heat of the drum from being overheated by suppressing heat loss of the intake pipe.

Dryer having a heater-intake pipe according to the present invention for solving the above problems is a cabinet with an opening is formed on one side, the cabinet is formed with an inlet and outlet, rotatably installed inside the opening to accommodate laundry A drum being installed on the inner wall of the cabinet, and having a through hole formed therein, a support panel to which the drum is rotatably connected, an intake pipe extending from the through hole to the inside of the cabinet, and one side of the intake pipe to be disposed outside the cabinet; And a heater installed in the drum to heat the air supplied into the drum, and a branch pipe extending from the intake pipe to communicate with the drum, wherein the support panel has a second hole portion at a portion away from the through hole portion. Is formed is characterized in that the branch pipe is connected.

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The branch pipe of the present invention is characterized in that the discharge port side end of the intake pipe is branched into two flow paths.

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

For convenience of explanation, the dryer 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, 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 an embodiment of the present invention, Figure 4 is a front perspective view showing the configuration of the dryer according to an embodiment of the present invention, Figure 5 is an embodiment of the present invention 6 is a front perspective view showing a support panel of a dryer according to an embodiment, and FIG. 6 is a front perspective view showing an intake pipe of a dryer according to an embodiment of the present invention.

3 to 6, the dryer according to the present invention forms a predetermined space, an opening is formed at one side, the cabinet 50 is formed with a discharge port 54, and the laundry is rotatably installed inside the opening The drum 60 accommodated therein, a plurality of lifters 100 installed on the inner wall of the drum 60 to rotate the laundry, and an intake pipe 70 for guiding the air inside the cabinet 50 to the drum 60. ), A heater 74 provided in the intake pipe 70, an exhaust fan 82 provided between the drum 60 and the discharge port 54, the exhaust fan 82 and the discharge port 54. ) Between the exhaust pipe (80), the drive motor (90) to which the rotary shaft of the exhaust fan (82) is connected, and the branch pipe (70a) extending from the intake pipe (70) to communicate with the drum (60). Is done.

Thus, when power is applied to the driving motor 90 by the user's operation, the exhaust fan 82 is rotated to circulate air, and the air inside the cabinet 50 passes through the heater 74 to hot air. It is converted and supplied into the drum 60, and the drying operation or sterilization operation of the clothes is performed while contacting the clothes in 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 exhaust pipe 80, thereby circulating the air.

The drum 60 is formed in a cylindrical shape with a front surface and a rear surface opened so that the front surface corresponds to the opening portion, and the rear surface is rotatably installed on the support panel 62 having the through hole portion 62a formed therein.

Here, the support panel 62 is installed on the rear inner wall of the cabinet 50 so that the drum 60 can be rotatably supported, and the intake pipe 70 is installed in the through hole portion 62a.

In addition, a second hole portion 62b is formed in the support panel 62 at a portion away from the through hole portion 62a to connect the branch pipe 70a.

In this way, the air heated by the heater 74 is moved to the upper side of the drum 60 along the intake pipe 70, and is injected into the drum 60 through the through-hole portion 62a, the inflow into the drum 60 The hot air is dispersed by the branch pipe 70a and injected into the drum 60.

By this operation, the effect of lowering the temperature of the air injected into the drum 60 by a predetermined temperature is generated. This is because the distance between the heater 74 and the drum 60 is closer, so that the effect of suppressing heat loss is excessive. It is possible to prevent the overheated air to be supplied into the drum 60 more than necessary.

In addition, since the discharge pipe side end part of the inlet pipe 70 branches into two flow paths, the branch pipe 70a may branch into two or more as needed.

In addition, the drum 60 is provided with a front panel 64 between the front end and the opening of the cabinet 50, the discharge port 64a is formed at the lower end of the front panel 64.

An extension pipe 84 facing the exhaust fan 82 side is provided at this discharge port 64a, and a housing 86 is installed between the extension pipe 84 and the exhaust pipe 80 so that the exhaust fan 82 is rotatably embedded. .

Here, the intake pipe 70 is a passage extending from the lower end of the cabinet 50 to the upper portion of the rear surface of the cabinet 50 corresponding to the through hole portion 62a, so that the air introduced from the inside of the cabinet 50 is heated by the heater ( While passing through 74, the air is converted to air above a predetermined temperature, and is moved along the intake pipe 70 to the upper side of the cabinet 50, and is introduced into the drum 60 through the through hole part 62a.

In addition, a suction port 52 is formed at the lower end of the intake pipe 70.

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

Here, the heater 74 is installed inside the intake pipe 70 disposed outside the cabinet 50, so that the heater 74 and the drum are compared with the conventional technology in which the heater 74 is installed inside the cabinet 50. The distance between 60 becomes short.

As a result, since the air heated by the heater 74 or higher than a predetermined temperature is moved along the intake pipe 70, heat energy can be suppressed from being lost, so that the efficiency of the dryer can be improved.

In addition, since the heater 74 is installed outside the cabinet 50, the heater 74 is disposed in a separate space from the drive motor 90 which is easily overheated, and thus the inside of the cabinet 50 may be prevented from being overheated more than necessary. An effect that can prevent the malfunction and breakage of the dryer due to overheating of 90) occurs.

Looking at the operation of the dryer having a heater-intake pipe according to the present invention configured as described above are as follows.

7 is a side cross-sectional view illustrating a suction flow path of a dryer having a heater-containing intake pipe according to an embodiment of the present invention, and FIG. 8 is an exhaust of the dryer having a heater-containing intake pipe according to an embodiment of the present invention. The flow path is a plan view.

4 and 6 to 8, first, when a user operates a driving button (not shown), power is applied to the driving motor 90 and the heater 74 to exhaust the exhaust fan 82 and the drum 60. As it is rotated, the air in the cabinet 50 is introduced into the drum 60 along the intake pipe 70 by the driving of the exhaust fan 82.

The air flowing into the drum 60 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, and at this time, by the heater 74. It is heated by the above high temperature dry air.

Subsequently, a portion of the air rising along the intake pipe 70 is injected into the drum 60 through the through hole portion 62a, and the air of the remaining portion passes through the second hole portion (a) along the branch pipe 70a. Through 62b).

As a result, the high temperature air heated by the heater 74 suppresses heat loss until it is injected into the drum 60, so that the drying operation can be effectively performed, and the effect of preventing heat loss is excessively overheated. Since is dispersed by the branch pipe (70a) is to be injected into the drum 60 in a state in which the temperature is lowered by a predetermined amount.

By this operation, the hot air is prevented from being injected into the drum 60 more than necessary, so that deformation or breakage of the cloth and deformation or breakage of the dryer parts can be prevented.

The air introduced into the drum 60 through the through-hole part 62a flows in a tornado shape and contacts with the laundry to perform a drying operation.

In addition, the discharge port 64a is formed in the front panel 64 provided between the opening of the drum 60 and the inner wall of the cabinet 50, and the air which has undergone the drying operation is outside the drum 60 along the discharge port 64a. Discharged to the housing 86 of the exhaust fan 82 through the connecting pipe 84 communicating with the discharge port 64a and moving along the exhaust pipe 80 in the housing 86 to discharge the discharge port 54. Through the cabinet 50 is discharged out.

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, a description has been given taking a dryer having an intake pipe in which a heater is built in as an example, but this is merely illustrative, and the heater of the present invention is built in another intake pipe other than the intake pipe used in the dryer, and a branch pipe is formed. Intake pipes can be used.

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

In the dryer having a heater-intake pipe according to an embodiment of the present invention configured as described above, since the heater is installed inside the intake pipe, heat loss generated while the air heated by the heater moves to the drum may be reduced. The thermal efficiency can be improved to reduce the time and cost required for the drying operation.

In addition, the present invention is provided with a branch pipe for dispersing the hot hot air sprayed into the drum, it is possible to prevent the drum inside from overheating more than necessary, to prevent deformation or breakage of accessories to prolong the life of the product There is an advantage to this.

Claims (3)

A cabinet having an opening formed at one side thereof and having a door formed therein; A drum rotatably installed inside the opening to accommodate laundry; A support panel installed on the inner wall of the cabinet, and having a through hole formed therein and rotatably connected to the drum; An intake pipe extending from the through hole to the inside of the cabinet; A heater installed at one side of the intake pipe to be disposed outside the cabinet to heat air supplied into the drum; And A branch pipe extending from the intake pipe and communicating with the drum; The support panel is provided with a heater intake pipe, characterized in that the second hole is formed in a portion away from the through-hole portion a predetermined distance is connected to the branch pipe. delete The method of claim 1, The branch pipe is provided with a heater-intake pipe, characterized in that the discharge port side end of the intake pipe is branched into two flow paths.

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