KR100762338B1 - Dryer having indrawn tube with heater - Google Patents

Abstract

A dryer with a heater-embedded air intake tube is provided to reduce thermal loss caused when air heated by a heater flows toward a drum by arranging the heater inside the air intake tube and the air intake tube outside a cabinet such that the distance between the heater and the drum is minimized. A dryer with a heater-embedded air intake tube includes a cabinet, a drum(60), a support panel(62), an air intake tube(70), and a heater(74). The cabinet has one side with an opening for installation of a door, and an inlet port(52) and an outlet port. The rotatable drum is arranged in the opening of the cabinet such that drum accommodates laundry. The support panel is mounted on an inner wall of the cabinet, and has a through hole(62a). The drum is connected to the support panel. The air intake tube is extended from the through hole into the cabinet. The heater is arranged outside the cabinet, and heats air supplied into the drum. The heater is arranged in the space different from the space in which a driving motor(90) is installed.

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 the dryer according to the present invention.

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

Figure 6 is a front perspective view showing a steam injection device of the dryer according to the present invention.

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

FIG. 8 is a cross-sectional view taken along the line A-A shown in FIG. 7, showing a intake pipe according to the present invention.

9 is a perspective view showing a steam injection device according to the present invention.

10 is a cross-sectional view showing a steam injection device according to the present invention.

11 is a block diagram showing a steam injection device according to the present invention.

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

13 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

66: seating portion 66a: supply hole

70: intake pipe 74: heater

80 exhaust pipe 82 exhaust fan

84 housing 86 connector

90: drive motor 96: belt

100: lifter 110: case

112: nozzle 112a: inlet

112b: exit 114: injection pipe

116: hook 118: stopper

The present invention relates to a dryer, and more particularly, to a dryer equipped with a heater-intake pipe for minimizing energy loss by minimizing heat loss generated when air heated by a heater is supplied to a drum.

In general, the clothes drying apparatus is a device for drying clothes by blowing the drying hot air heated in the heater in the receiving space containing the clothes. Such clothes drying apparatus is disclosed in 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 disclosed dryer forms an 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 has a dry matter therein. The drum 12 opened in the front-rear direction so that the air passes therethrough, the heater 18 disposed inside the case 2 to heat the sucked air, and the heating passed through the heater 18. An intake duct 20 for guiding 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 Blowing fan (not shown) installed in the), and the motor (not shown) and the belt 40 for driving the drum 12 and the blowing fan to rotate.

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 in 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 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 dryer according to the prior art has a problem in that the driving motor and the heater which are easily overheated are installed inside the cabinet, and thus the cabinet is easily overheated more than necessary, which may cause malfunction and damage of the dryer due to the overheating of the driving motor. There is this. Therefore, there is a need for improvement.

The present invention has been made to solve the above problems of the prior art, by minimizing the distance between the heater and the drum, the heater to reduce the heat loss generated by moving the air heated by the heater to the drum It is an object of the present invention to provide a dryer having a built-in intake pipe.

Dryer equipped with a heater-intake pipe according to the present invention for solving the above problems is the cabinet is formed with an opening is formed on one side, the cabinet is formed with the inlet and outlet, rotatably installed inside the opening to accommodate the laundry A drum, which is installed on an inner wall of the cabinet, has 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 the intake pipe to be disposed outside the cabinet. It is installed on one side and comprises a heater for heating the air supplied into the drum, the heater is characterized in that it is disposed in a separate space from the drive motor.

In addition, the intake pipe of the present invention extends from the through-hole part and protrudes to the rear surface of the cabinet, and extends in one direction to communicate with the intake port.

In addition, the heater of the present invention is characterized in that it is installed inside the intake pipe corresponding to the inlet.

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

3 to 4, the dryer according to the present invention forms a predetermined space, an opening is formed at one side, and a cabinet 50 having an inlet 52 and an outlet 54 is rotatable inside the opening. The drum 60 is installed to accommodate the laundry, a plurality of lifters 100 installed on the inner wall of the drum 60 to rotate the laundry, and air in the cabinet 50 to be guided into the drum 60. An intake pipe 70, a heater 74 provided in the intake pipe 70, an exhaust fan 82 provided between the drum 60 and the discharge port 54, and the exhaust fan 82. And a driving motor 90 connected between the exhaust pipe 80 and the rotation shaft of the exhaust fan 82 is disposed between the discharge port 54.

Thus, when the power is applied to the drive motor 90 by the user's operation, the exhaust fan 82 is rotated to circulate air, and the air introduced through the suction port 52 is hot while passing through the heater 74. The air is converted into air 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 discharge pipe 80, thereby circulating the air.

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.

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, 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 is a passage extending from the suction port 52 to an upper portion of the rear surface of the cabinet 50 corresponding to the through hole part 62a, so that air introduced from the inside of the cabinet 50 is heated by a 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.

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 is minimized.

As a result, the heat loss generated while the air heated above the predetermined temperature by the heater 74 moves along the intake pipe 70 may be minimized, thereby maximizing the efficiency of the dryer.

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.

6 is a front perspective view showing a steam injector of the dryer according to the present invention, Figure 7 is a front perspective view showing the intake pipe of the dryer according to the invention, Figure 8 is a cross-sectional view taken along line AA in FIG. It is a cross-sectional view showing an intake pipe according to the present invention.

6 to 8, the steam jet device of the present invention is disposed to correspond to the case 110 and the through-hole part 62a, which are detachably installed in the through-hole part 62a and contain water. A nozzle 112 which communicates with the case 110 to allow a vacuum to be formed in the case 110 when air supplied from the through-hole part 62a is passed, so that water is injected into the drum 60; Detachable means 66b and 116 installed between the case 110 and the support panel 62 to separate the case 110 from the support panel 62 by a user's operation, and the drum 60. The humidity sensor 120 detects the internal humidity of the drum 60 when the humidity is greater than or equal to a predetermined value, and transmits an electrical signal to the humidity sensor 120, and the driving motor according to a signal input from the humidity sensor 120. 90 and to cut off the power of the heater 74 The controller 122 and the display unit 124 outputs a signal of completion so that the user recognizes when the power is cut off from the driving motor 90 and the heater 74 by the controller 122.

Here, the through hole portion 62a is provided with a seating portion 66 into which the case 110 is inserted, and the seating portion 66 has a supply hole portion 66a at one side corresponding to the nozzle 112. Is formed.

As a result, the air flowing into the drum 60 along the intake pipe 70 is converted into high temperature dry air having a predetermined temperature or more while passing through the heater 74 and flows into the drum 60 through the through-hole part 62a. At this time, the hot air is in contact with the case 110 to heat the water contained in the case 110 to a predetermined temperature or more to generate steam, the air flowing into the supply hole 66a is a nozzle 112 While passing through the steam formed in the case 110 to be injected into the drum (60).

9 is a perspective view showing a steam injection device according to the present invention, Figure 10 is a sectional view showing a steam injection device according to the present invention, Figure 11 is a block diagram showing a steam injection device according to the present invention.

9 to 11, the case 110 is provided with an injection hole and a stopper 118 on one side to supply water, and to inject steam along the nozzle 112 that is integrally installed on the upper surface.

In addition, the nozzle 112 is formed of a relatively wide diameter of the inlet 112a corresponding to the through hole part 62a compared to the outlet 112b corresponding to the inside of the drum 60, and the case 110. Injection tube 114 extending inwardly is formed.

As a result, when the user opens the stopper 118 to fill the case 110 with water, closes the stopper 118 and inserts the case 110 into the seating part 66. Installed inside the hole portion 62a, and when the drying operation is performed, air supplied into the drum 60 through the supply hole portion 66a passes through the nozzle 112, where the inlet 112a of the nozzle 112 is located. Due to the difference in diameter between the outlet 112b and the air passing through the nozzle 112, the speed is accelerated to a predetermined speed or more and is injected into the drum 60.

At this time, since the air passing through the nozzle 112 forms a vacuum in the case 110 by the Venturi effect, steam formed in the case 110 flows to the nozzle 112 along the injection pipe 114 and accelerated. As it is injected into the drum 60 together with air, the drum 60 comes into contact with clothes stored in the drum 60.

The detachable means includes a pair of hooks formed on one side of the case, as shown in FIGS. 8 and 10, and an insertion hole part in which the hooks are formed and the hooks are inserted. .

By this configuration, when the user inserts the case 110 into the seating portion 66, the pair of hooks 116 are deformed inward and coupled to the insertion hole 66b, and after the coupling of the case 110 is completed. As the hook 116 is restored to its original state, the departure of the case 110 is prevented.

Looking at the operation of the dryer provided with a steam injection device according to the present invention configured as described above are as follows.

12 is a block diagram showing a steam injection device according to the present invention, Figure 13 is a plan view showing the exhaust flow path of the dryer according to the present invention.

Referring to FIGS. 12 and 13, the operation of the present invention will be described. First, the user removes the cap 118 from the case 110 to fill water in the case 110, and then opens the door of the cabinet 50. By storing the case 110 in the support panel 62 to prepare for the drying operation, when the case 110 is inserted into the seating portion 66, the hook 116 is fitted into the insertion hole 66b and the case ( 110 is mounted.

Subsequently, when the user operates the operation button 126, power is applied to the driving motor 90 and the heater 74 so that the exhaust fan 82 and the drum 60 are rotated, and suctioned by driving the exhaust fan. The air introduced into the drum 60 along the sphere 52 passes through the inlet 52 and follows the intake pipe 70 formed long in the vertical direction on the rear surface of the cabinet 50 as shown in FIG. 12. It moves to the upper side of the cabinet 50, and is heated by the heater 74 by high temperature dry air more than a predetermined temperature at this time.

Thereafter, the air introduced into the drum 60 through the through-hole part 62a flows in a tornado shape and contacts the laundry to perform a drying operation. At this time, the hot air passing through the through hole portion 62a converts the water inside the case 110 into steam, and the air passing through the nozzle 112 through the supply hole portion 66a is inside the case 110 by a venturi effect. By allowing the vacuum to be formed in the steam, the steam inside the case 110 flows along the injection pipe 114 and is injected into the drum 60 through the outlet 112b of the nozzle 112.

In addition, the outlet 64a is formed in the gasket 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 discharged to the outside of the drum 60 along the outlet 64a. It is discharged and flows through the connecting pipe (86) communicating with the discharge port (64a) to the housing (84) of the exhaust fan (82), is moved along the exhaust pipe (80) in the housing (84) through the discharge port (54) Discharged to the outside of the cabinet 50.

When the drying operation is performed, the humidity inside the drum 60 is sensed by the humidity sensor 120, and when the humidity above the set value is formed inside the drum 60, the sensor detects this and transmits an electrical signal from the humidity sensor 120. When the humidity is lower than the set value, power is supplied to the driving motor 90 and the heater 74 so that hot air and steam are sprayed on the clothes stored in the drum 60, thereby eliminating the wrinkles formed on the clothes, As particles and bacteria are removed, wrinkles, odors and bacteria can be removed from clothes that have been stored for a long time in a confined space.

As described above, if the humidity of the set value is detected by the humidity sensor 120 during the drying operation, an electrical signal is transmitted from the humidity sensor 120 to the control unit 122, and the driving motor 90 according to the signal of the control unit 122. And the power is cut off to the control unit 122, the drying operation is terminated.

At this time, the output from the display unit 124 by a signal transmitted from the control unit 122, the display unit 124 is composed of a conventional sound generating device or a lamp, the user confirms the end signal sound or the lighting of the lamp to dry And it can be seen that the sterilization operation is completed.

Of course, if the operation of installing the case 110 in the through hole portion 62a is omitted and only the laundry is stored in the drum 60, a drying operation is performed in a typical dryer.

As a result, the distance between the heater and the drum is minimized, thereby minimizing the heat loss generated by the flow of the heated air from the heater to the drum, thereby achieving a dryer in which thermal efficiency is maximized.

In addition, it is possible to achieve a dryer equipped with a steam spraying device capable of removing wrinkles, odors and bacteria formed on clothes by washing hot air and steam without washing clothes that have been stored in a closed space for a long time.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand. In addition, although a dryer having an intake pipe in which the heater is built has been described as an example, this is merely illustrative, and an intake pipe in which the heater of the present invention is embedded may be used in an intake pipe other 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.

In the dryer equipped with a heater-intake pipe according to the present invention configured as described above, the heater is installed inside the intake pipe, and the intake pipe is installed outside the cabinet, so that the distance between the heater and the drum is minimized, thereby being heated by the heater. The heat loss generated by the movement of the air to the drum can be minimized, which reduces the time and cost of the drying operation.

In addition, the present invention has the advantage that it is possible to suppress the heating of the drive motor more than necessary because the drive motor and the heater is easily heated in different spaces, thereby preventing malfunction and damage due to overheating of the drive motor. .

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; And A heater installed at one side of the intake pipe to be disposed outside the cabinet to heat air supplied into the drum; The heater is provided with a heater built-in intake pipe, characterized in that disposed in a separate space from the drive motor. The method of claim 1, And the intake pipe extends from the through hole and protrudes toward the rear surface of the cabinet, and extends in one direction to communicate with the intake port. The method of claim 1, The heater is provided with a heater intake pipe, characterized in that the heater is installed inside the intake pipe corresponding to the inlet.

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