KR20150123637A - Apparatus for laundry dryness using condensing type - Google Patents

Abstract

A condensing type laundry dryer of the present invention comprises: a drum (10) formed on a dry room (2) inside a cylindrical laundry dryer body (1) including multiple through holes (11) on the wall, and rotated by a motor (12); an electrical heater (20) formed on the outer side of the dry room (2), and heating air absorbed through an outer inlet (21) or an inner inlet (22); an air blow duct (30) connected to the electrical heater (20), and transferring hot air to the inside of the dry room (2) and the drum (10); a ventilation duct (40) connected to the dry room (2), and including an exhaust fan (41) to transfer the hot air to the outside of the dry room (2); a connection duct (50) connecting the ventilation duct (40) and the inner inlet (22) to recirculate the hot air; a microwave generating means (60) formed on the outer side of the dry room (2) and coupled with the drum (10) to radiate a microwave to the inside of the drum (10); and a controller (70) formed on the body (1) and controlling total management of a drying process.

Description

[0001] Apparatus for laundry dryness using condensing type [0002]

The present invention relates to a condensing-type washing and drying machine, and more particularly, to a condensing-type washing and drying machine for supplying a heated air heated by an electric heater to a drum of a dryer, The heat source is economically utilized by applying a condensing method for reusing the heat remaining in the discharged hot air. Further, in the hot air drying process using the electric heater using the microwave generating means, the microwave So that the drying efficiency of the laundry can be remarkably increased to drastically shorten the drying time.

Generally, a laundry dryer is a device for supplying hot air into a drum provided inside a dryer body to dry wet laundry put on the drum. Most large-scale industrial laundry dryers are used in laundry shops and laundries that handle large quantities of laundry. This saves time required for natural drying of laundry and is not restricted by weather conditions. So that the demand of the washing machine is increasing.

An electric heater is generally used as a heat source for generating hot air of the washing and drying machine. For example, a dryer of a known patent publication No. 10-2012-0004422 shows a conventional electric heater type dryer. The air sucked from the outside is heated using an electric heater and then blown into the drum through the blowing fan to dry the moisture of the laundry and to discharge the used air to the outside again. Although the working principle is simple, the drying time and the processing capacity of the laundry are inevitably proportional to the temperature of the hot air and the amount of air blowing. Therefore, in order to increase the efficiency of the work, the size of the entire equipment such as the electric heater and the blower, .

In addition, drying by hot air generated by using an electric heater causes the drying process to proceed slowly from the surface of the laundry. However, as the drying time becomes longer, there is another problem that damage such as wrinkling occurs in the laundry. In view of this, a drier equipped with a steam generator is known, and a device for spraying steam into the drum during drying is further provided, so that wrinkles that may occur during a long drying process So as to suppress as much as possible. However, it is required to install an additional device for generating and spraying steam and it is not a measure to fundamentally improve the drying efficiency. Therefore, drying time is shortened by improving the drying efficiency in the construction of the washing and drying machine There is a need for an ultimate solution to prevent damage to the laundry.

The present invention has been made in order to solve the problems of the related art, and it is an object of the present invention to provide an apparatus and a method for supplying a hot air heated by an electric heater to a drum of a dryer, The present invention has been made in view of the above problems, and it is an object of the present invention to provide a laundry dryer capable of reusing heat remaining in hot air discharged by applying a condensing method to economically utilize a heat source.

The present invention also provides a washing and drying machine of a condensing type that can greatly reduce the drying time by significantly increasing the drying efficiency of the laundry by using microwaves as a heat source in the hot air drying process using the electric heater using the microwave generating means The present invention is also a problem to be solved.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a condensing-type washing and drying machine including a drying chamber in which a plurality of holes are formed in a wall, An electric heater 20 provided on the outside of the drying chamber 2 and heating the air sucked through the external suction port 21 or the internal suction port 22; A blowing duct 30 connected to the electric heater 20 and equipped with a blowing fan 31 for blowing hot air into the drying chamber 2 and the drum 10; An exhaust duct 40 provided with a fan 41 to transfer hot air to the outside of the drying chamber 2; a connecting duct 50 connecting the exhaust duct 40 and the inner suction port 22 to recirculate hot air; , A microwave (10) provided on the outside of the drying chamber (2) and coupled to the drum (10) to radiate the microwave into the drum Comprising: a,; production means (60) and, is provided on the main body (1) controller 70 for controlling the overall operations and drying operations

A humidity and temperature sensor 42 is provided in the exhaust duct 40 to transmit temperature and humidity measurement data to the controller 70. The exhaust duct 40 is provided with an internal suction port 22, And a damper 43 for selectively blocking a plurality of open paths connected to the door 44. The metal mesh 15 is installed on the inner side surface of the opening and closing door 14 of the main body 1, And preventing external leakage.

According to the present invention, the hot air heated by the electric heater is supplied to the inside of the drum of the dryer into which the laundry is introduced, thereby allowing the laundry to be dried, and the hot air discharged to the outside of the drum can be recirculated to the inside There is an effect that the heat source that is consumed extensively can be economically utilized by reusing the heat remaining in the hot air that is formed and discharged.

Further, since the microwave is used as a heat source in the hot air drying process using the electric heater using the microwave generating means, the drying efficiency of the laundry is greatly improved, ultimately saving the heat source and energy, and drastically shortening the drying time So that the operation speed can be remarkably increased in a laundry factory or the like where a large amount of laundry needs to be treated.

1 is a perspective view showing a washing and drying machine of a condensing type according to the present invention.
2 is a cross-sectional view of a washing and drying machine of a condensing type according to the present invention.
FIG. 3 is a state diagram showing an embodiment of a washing and drying machine of a condensing type according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following description is given as an example for illustrating the principle of the present invention, and the present invention is not limited to the embodiments but can be implemented in various different forms. And throughout the specification, like reference numerals designate like elements.

In the apparatus for drying laundry, the laundry is dried using hot air heated by an electric heater, but a structure capable of recirculating hot air discharged to the outside is formed to economically utilize the heat source The present invention also relates to a condenser-type washing and drying machine which is equipped with a microwave generating means and uses a microwave as a heat source together with an electric heater, thereby remarkably increasing the drying efficiency of the laundry, thereby drastically shortening the drying time.

FIG. 1 is a perspective view showing a washing and drying machine of a condensing type according to the present invention, FIG. 2 is a sectional view showing a washing and drying machine of a condensing type according to the present invention, FIG. Fig.

As shown in FIGS. 1 to 3, the washing and drying machine of the condensing type according to the embodiment of the present invention mainly includes a drum 10 provided in the drying chamber 2 inside the main body 1, An electric heater 20, a blowing duct 30 for transferring the hot air into the drum 10, an exhaust duct 40 for transferring the used hot air to the outside of the drum 10, A microwave generating means 60 for radiating microwaves into the drum 10, and a controller 70 for controlling the entire apparatus.

The drum 10 is a cylindrical space provided in a drying chamber 2 formed in the main body 1 of the washing and drying machine and into which laundry is introduced. The drum 10 is rotatably driven by a motor 12 provided in the main body 1 so that the loaded laundry can be moved inside the drum 10 to be evenly contacted with hot air. A plurality of through holes 11 are formed in a wall surface of the drum 10 so that hot air introduced into the drying chamber 2 is used as a passage for introducing and discharging the hot air into the drum 10.

A laundry inlet 13 is formed on the front surface of the main body 1 so as to communicate with the drying chamber 2 and the drum 10. The laundry inlet 13 is provided with an opening and closing door 14 so that the user can easily input and discharge the laundry. The opening and closing door 14 is made of a general glass material so that the inside of the drum 10 can be seen through. In the present invention, since the microwave is used in the drying process of the laundry, a metal net (15) made of a metal material, which is not permeable to microwaves, is provided on the inner side surface of the opening / closing door (14) So that it is prevented from flowing out to the outside through the opening / closing door (14).

The electric heater 20 may be installed outside the drying chamber 2 to receive radiant heat to generate radiant heat to heat the ambient air. For example, a radiator heater such as a conventional radiator may be used. The electric heater 20 is provided with an external inlet 21 for introducing the outside air of the main body 1 by using a predetermined fan and an internal inlet 21 for re-flowing the hot air fed through the connecting duct 50 in the process of recirculating hot air, (22) are respectively formed to heat the sucked air.

The blowing duct 30 is connected to the electric heater 20 so as to extend to the drying chamber 2. A blowing fan 31 is provided on the blowing duct 30 to rotate by a motor, The hot air is transferred to the inside of the main body 10. The exhaust duct 40 is connected to the other side of the drying chamber 2 connected to the blowing duct 30 to discharge the hot air used in the drying process of the laundry in the drum 10 to the outside of the drying chamber 2. Similarly, an exhaust fan 41 that is rotated by a motor is provided on the exhaust duct 40 so that hot air can be smoothly transferred to the outside.

On the other hand, the exhaust duct 40 is provided with a temperature and humidity sensor 42 to measure the temperature and humidity of the hot air to be discharged and transmit the data to the controller 70. In the case where the temperature of the hot air is excessively high, When the humidity is measured to be high due to the humidity, hot air is discharged to the outside of the main body 1 under the control of the controller 70 that has received the measurement data. On the other hand, when the temperature of the hot air is measured to be low in the temperature and humidity sensor 42, the drying of the laundry can not proceed smoothly. Therefore, the controller 70 operates the microwave generating means 60, To be radiated.

The end portion of the exhaust duct 40 is connected to the connection duct 50 and the external exhaust communication pipe 44 by a plurality of paths and the connection duct 50 is connected to the internal suction port 22 formed in the electric heater 20 And the external discharge communication 44 is used to recirculate the air containing a large amount of moisture so that the drying efficiency is not lowered, (1) to the outside.

A damper 43 is provided at the distal end of the exhaust duct 40 to selectively block a plurality of open paths connected to the internal suction port 22 and the external discharge communication 44, The controller 70 controls the damper 43 so as to open the path to the internal suction port 22 so that the temperature and the humidity are in the appropriate range And to open the path connected to the external discharge communication 44 when the valve is released.

The microwave generating means 60 is provided outside the drying chamber 2 and coupled to the inside of the drum 10 to radiate microwaves into the drum 10 to significantly increase the drying efficiency of the laundry .

If only the hot air generated by the electric heater 20 causes an increase in the working time required for drying a large amount of laundry, and if the drying process is continued for a long time in a wet state, damage such as wrinkling may occur in the laundry. In order to shorten the drying time, the microwave can be used in the drying process, and is used together with the electric heater 20 as a heat source.

Microwave is an electromagnetic wave having a wavelength range from 1 mm to 1 m. Especially, it is absorbed well in water and generates heat. As a typical electronic device, there is a microwave oven. Microwaves are generated by a magnetron. When microwaves change direction of an electric field at a high speed, water molecules move at a high speed. As a result of collision between water molecules, heat is generated around the water. Allow the object to heat up rapidly.

The great advantage of using the microwave heating for drying the laundry according to the present invention is that the drying time is remarkably shortened. The drying effect is generated from the surface of the laundry when the drying is performed by the hot air, and the drying efficiency is increased because the microwave penetrates to the surface and the inside of the laundry, and the drying effect is generated at the same time. Therefore, when it is used as a heat source in combination with an electric heater and a microwave, the drying efficiency is further amplified, and the recycling process of the hot air described above can also economically utilize the heat source.

The microwave generating means 60 mainly includes a conventional magnetron 61 for generating a microwave and a wave guide 62 for guiding the microwave to the inside of the drum 10 and a stirrer 63 for radiating microwaves into the drum 10 ).

The main body 1 is provided with a controller 70 for controlling the operation of devices including the various motors, fans, electric heaters 20 and microwave generating means 60 and damper 43 described above. 60 may be automatically controlled by the controller 70 that receives the measurement data of the temperature / humidity sensor 42, and passive control on the controller 70 is also possible. This enables the electric heater 20 and the microwave generating means 60 to be operated simultaneously when the user first injects the laundry into the drum 10 and operates the dryer for the first time.

The condensing-type washing and drying machine of the present invention having the above-described configuration puts the laundry in a wet state into the drum 10 through the opening and closing door 14, and the user operates the controller 70 to operate the electric heater 20 And the motor 12 for rotating the microwave generating means 60 and the drum 10 are operated to perform the drying operation. The electric heater 20 sucks air by sucking air through the external suction port 21 and the heated hot air is blown into the drum 10 through the drying chamber 2 through the blowing duct 30 having the blowing fan 31 And the laundry in the drum 10 is dried through the through holes 11. [ The microwave generated in the magnetron 61 of the microwave generating means 60 is radiated into the drum 10 through the stirrer 63 via the wave guide 62 to dry the moisture contained in the laundry, As shown in FIG.

An exhaust duct 40 provided with an exhaust fan 41 is connected to the dryer so as to discharge the hot air used in the drum 10 to the outside to form a discharge path. At the end of the exhaust duct 40, (50) and the external discharge communication (44). Therefore, the damper 43 is provided at the end of the exhaust duct 40, and the temperature of the hot air measured by the temperature and humidity sensor 42 is measured by the controller 70, 50 are opened to allow the hot air to be re-introduced into the drum 10, and in the case of external discharge, the external discharge communication 44 is opened and discharged.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It should be clarified. Therefore, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

1: Washing dryer Body 2: Drying room
10: drum 11: through hole
12: motor 13: laundry inlet
14: opening / closing door 15: metal mesh
20: electric heater 21: external inlet
22: Internal intake
30: blowing duct 31: blowing fan
40: exhaust duct 41: exhaust fan
42: Temperature and humidity sensor 43: Damper
44: External exhaust communication
50: Connecting duct
60: Microwave generating means 61: Magnetron
62: wave guide 63: stirrer
70: controller

Claims (4)

A drum 10 provided in the drying chamber 2 inside the washing and drying machine main body 1 and being rotationally driven by a motor 12 in the form of a cylinder having a plurality of through holes 11 formed on a wall surface thereof,
An electric heater 20 provided on the outside of the drying chamber 2 and heating the air sucked through the external suction port 21 or the internal suction port 22,
A blowing duct 30 connected to the electric heater 20 and provided with a blowing fan 31 to transfer the hot air into the drying chamber 2 and the drum 10;
An exhaust duct 40 connected to the drying chamber 2 and equipped with an exhaust fan 41 for transferring hot air to the outside of the drying chamber 2,
A connecting duct 50 connecting the exhaust duct 40 and the inner suction port 22 to recirculate hot air;
A microwave generating means 60 provided outside the drying chamber 2 and coupled to the drum 10 to emit a microwave into the drum 10;
And a controller (70) provided in the main body (1) and controlling the overall operation of the drying operation.
The method according to claim 1,
Wherein the exhaust duct (40) is provided with a temperature / humidity sensor (42) to transmit data of temperature and humidity of the hot air to the controller (70).
The method according to claim 1,
Wherein the exhaust duct (40) is provided with a damper (43) for selectively blocking a plurality of open paths connected to the internal suction port (22) and the external discharge communication pipe (44).
The method according to claim 1,
Wherein a metal net (15) is provided on the inner side surface of the opening / closing door (14) provided in the main body (1) to prevent the microwave from flowing out to the outside.

Images