KR100860649B1 - A drum type washing machine with laundry drying function and method of controlling the same - Google Patents

Abstract

The present invention relates to a dry drum washing machine and a control method thereof for allowing a blowing function to be performed during a dehydration stroke in a dry drum washing machine.

The present invention provides a drying machine equipped with a blower fan, a key input unit for inputting a user's request command, a storage unit for storing a pattern for driving the blower fan during dehydration operation, and the key input unit. A control unit configured to perform a corresponding stroke for each selected course, and to control the blowing fan to be driven in a pattern previously stored in the storage unit when entering a dehydrating stroke, and controlling driving of the blowing fan according to a control signal of the controller It is configured to include a fan drive unit.

Therefore, the present invention can remove the water remaining in the laundry faster by allowing the air to be blown during the dehydration stroke in the dry combined washing machine can reduce the dehydration time and improve the dewatering performance, the residual water in the drum remaining during the washing stroke As it can remove mold and odor due to residual water in advance, it can minimize the wrinkles because laundry can be unfolded as the blower fan is driven in the dehydration process and the wind is injected into the drum. have.

Drying / Washing Machine / Dewatering / Blower Fan

Description

Drying drum washing machine and its control method {(A) drum type washing machine with laundry drying function and method of controlling the same}

1 is a side view showing a general dry drum washing machine.

Figure 2 is a block diagram showing a control configuration of a dry drum washing machine according to the present invention.

Figure 3 is a flow chart showing a first embodiment according to the control method of the combined drum washing machine according to the present invention.

Figure 4 is a flow chart showing a second embodiment according to the control method of a combined drum washing machine according to the present invention.

Explanation of symbols for main parts of the drawings

100: key input unit 200: temperature sensing unit

300: control unit 400: storage unit

500: heater driving unit 510: heater

600: fan drive unit 610: blowing fan

700: display unit

The present invention relates to a drum washing machine, and more particularly, to a dry drum washing machine and a control method thereof so that a blowing function can be performed during a dehydration stroke.

In general, a washing machine performs washing strokes, rinsing strokes, and dehydrating strokes by rotating a rotating tub and a pulsator through a driving force of a motor. It is a device that washes using friction of water and a rotating tub.

These washing machines are classified into pulsator type, stirring type, drum type, etc. according to the washing method.

Here, the drum washing machine is a device for washing laundry by rotating the drum by the driving force of the motor in a state in which detergent, washing water, and laundry are put into the drum. The laundry is less damaged and the laundry is not tangled, and the laundry is pounded and rubbed. It has the advantage of making a difference.

Hereinafter, with reference to the accompanying drawings illustrating a configuration of a general dry drum washing machine as follows.

1 is a side view showing the configuration of a general dry drum washing machine.

As shown in FIG. 1, a general drying drum washing machine is installed in the cabinet 10 to store washing water, and a hot air inlet 20a is formed at the front side and a hot air discharge is formed at the bottom side of the rear side. A tub 20 having a ball 20b, a drum 30 rotatably installed in the tub 20 and having a plurality of hot air passing holes 30a having a predetermined arrangement on a front surface thereof; It is fixedly installed on the outer peripheral surface of the tub 20 and the heater 41 and the blowing fan 42 are built therein to generate hot air, and one end thereof is connected to the hot air inlet 20a of the tub 20. And one end is connected to a drying duct 40 for supplying hot air generated therein to the drum 30 and a hot air discharge hole 20b at a lower rear side of the tub 20, and the drying duct 40. Is installed at the rear side of the tub 20 so that the other end is connected to the tub 20 To remove the moisture contained in the discharged air is sent to the drying duct 40 is configured to include a condensing duct (50).

Here, the tub 20 is preferably injection molded of a plastic material, the drum 30 is preferably formed of a stainless steel material.

On the other hand, the drying duct 40 is fastened and fixed to the upper side outer surface of the tub 20 by a fastening member such as a screw, the drying duct 40 between the tub 20 and the drying duct 40. The heat shield plate 43 is installed to prevent the heat generated in the heat transfer to the tub (20).

That is, the heat shield plate 43 is first fixed to the outer surface of the tub 20, the drying duct 40 is the heat shield plate 43 by a fastening member such as a screw in a state where the heat shield plate is fixed to the tub. It is fixed on the phase.

On the other hand, the drum 30 penetrates the tub 20 and is axially connected to the drum 30, a rotor 62 coupled to the rear end of the shaft 61, and the rotor 62. Preferably rotated in a direct drive method by the outer rotor type motor consisting of a stator 63 located inside, but is not necessarily limited thereto.                         

In addition, the upper surface of the drying duct 40 may be configured to heat dissipation means such as heat radiation fins to prevent the drying duct upper surface from overheating.

The action of the dry-use drum washing machine of the present invention configured as described above is as follows.

First, the hot air inlet 20a is formed at the upper front of the tub 20, and the hot air outlet 20b is formed at the lower rear side of the tub 20.

This makes the inflow direction of the hot air flowing into the drum 30 and the discharge direction of the hot air discharged into the condensation duct 50 to be in a diagonal direction, so that the hot air is evenly spread throughout the drum to dry the laundry evenly. This is to discharge afterwards.

That is, the hot air passing through the front of the drum 30 is formed in such a way that the strength of the front part of the drum 30 is not reduced but the flow path cross section can be maximized.

Thus, the hot air inlet hole 20a and the hot air inlet hole 20a communicate with each other even though the drum 30 is rotated by forming the hot air passage hole 30a in an effective arrangement form over the entire front surface of the drum 30. The hot air introduced into the tub 20 through the inlet 20a may be smoothly supplied into the drum 30 through the hot air passing hole 30a provided in the front of the drum 30.

On the other hand, the heat shield plate 43 is installed in the lower portion of the drying duct 40, the heat shield plate 43 prevents the heat generated in the drying duct 40 is transmitted to the tub (20).

In addition, the drying duct 40 is fixed on the tub outer circumferential surface through the heat shield plate so that the drying duct 40 and the tub 20 do not need to install a gasket for absorbing vibration. do. This is because the drying duct 40 is fixed to the tub 20, so that when the tub 20 flows or vibrates, the drying duct 40 also flows or vibrates with the tub.

Of course, it is easily understood by those skilled in the art that a sealing member may be installed at the connection portion of the drying duct 40 and the tub 20 to prevent leakage of heat generated from the drying duct 40.

On the other hand, the condensation duct 50 is also directly fixed to the rear of the tub 20, so that the condensation duct 50 and the tub 20 does not need to separately install a gasket for absorbing vibration.

However, the combined drying drum washing machine configured as described above has the following problems.

First, the time required for the dehydration administration was increased by performing the dehydration administration under the predetermined conditions for each course.

Second, as the dehydration stroke was performed under predetermined conditions according to each course, wrinkles of laundry occurred a lot.

Third, the electricity bill burden increased when dehydration and drying were carried out collectively.

  The present invention has been made to solve the above problems, it is an object to enable the air blowing during the dehydration administration in a dry-use washing machine.

In addition, there is another object to improve the drying performance under the influence of air blowing during the dehydration administration.

According to an aspect of the present invention for achieving the above object, a key input unit for inputting a user's request command; A storage unit for storing a driving pattern of the blowing fan during the dehydration stroke; A controller configured to control a corresponding stroke for each selected course through the key input unit, and control the blower fan to be driven in a predetermined driving pattern when entering a dehydration stroke; And a fan driving unit which rotates the blower fan in a predetermined driving pattern according to a control signal of the controller to blow air into the drum during the dehydration stroke.

Preferably, the predetermined pattern for driving the blowing fan in the dewatering stroke is a pattern for setting the blowing fan to be driven by either continuous driving or periodic driving in the dehydrating stroke section.

More preferably, the predetermined pattern for driving the blowing fan in the dehydration stroke is a pattern for setting the dehydration entire section, the intermittent dehydration section and the section for driving the blowing fan in the dewatering section. There is this.

According to another aspect of the present invention for achieving the above object, the user selects the desired washing course and inputting an operation command; Performing the corresponding washing and rinsing stroke according to the selected washing course when the operation command is input and determining whether to enter the dehydrating stroke; And when the dehydration stroke entry is detected is provided a control method of a dry drum washing machine comprising the step of blowing air in the drum by driving the blower fan according to a predetermined drive pattern.

Preferably, controlling the driving of the blower fan according to a preset driving pattern includes controlling the continuous drive of the blower fan for each of the set dehydration stroke periods when the preset driving pattern is selected as the continuous drive of the blower fan; If a predetermined drive pattern is selected as the periodic drive of the blower fan, the step of controlling the periodic drive of the blower fan for each of the set dewatering operation periods is characterized.

More preferably, the step of controlling the continuous drive of the blowing fan is the step of continuously driving the blowing fan during the dehydration stroke period if the set section is the pre-dehydration stroke section, and the intermittent dehydration section if the set section is intermittent dehydration stroke section It is characterized in that it consists of the step of continuously driving the blowing fan only, and the step of continuously driving the blowing fan only in the dewatering administration section if the set section is the present dewatering administration section.

More preferably, the step of controlling the periodic driving of the blower fan is a step of controlling the driving of the blower fan at a predetermined cycle if the set section is the pre-dehydration stroke section, and intermittent at a predetermined cycle if the set section is an intermittent dewatering stroke section Controlling the operation of the blower fan only in the dehydration section; and controlling the driving of the blower fan only in the dehydration section at a predetermined period when the set section is the present dehydration administration section.

Hereinafter, with reference to the accompanying drawings will be described in more detail the combined dry washing machine and control method according to the present invention.

Figure 2 is a block diagram showing a control configuration of a combined-use washing machine according to the present invention, Figure 3 and Figure 4 is a flow chart showing a first and a second embodiment of a control method of a combined-use washing machine according to the present invention.

Drying washing machine according to the present invention, as shown in Figure 2, a key input unit 100 for inputting a user's request command, and a storage unit for storing a pattern for driving the blowing fan 610 during the dehydration stroke A control unit 400 and a control unit to control a corresponding stroke for each selected course through the key input unit 100 and control the blowing fan 610 to be driven in a pattern previously stored in the storage unit when entering a dehydration stroke. 300, the fan driver 600 controlling the driving of the blower fan 610 according to the control signal of the controller 300, and the driving of the heater 510 according to the control signal of the controller 300. The heater driving unit 500 to control, the display unit 700 for displaying the operation state and the like, and the temperature sensing unit 200 for sensing the temperature in the drum.

Referring to the operation of the dry-use washing machine according to the present invention configured as described above are as follows.

When the user inputs a power command through the key input unit 100, selects a desired washing course, and then inputs an operation command, the controller 300 recognizes this and controls the washing operation to be performed.

When the washing stroke is completed, a rinsing stroke is performed, and when the rinsing stroke is completed, the rinsing stroke is completed.

However, the blowing fan 610 is selectively driven in a predetermined pattern to enter the dehydration stroke. That is, the blowing fan 610 is divided into continuous driving or constant periodic driving, and if the currently set condition is continuous driving, the blowing fan 610 is controlled to be continuously driven in a preset dehydrating administrative section.

In addition, when the blower fan 610 is set to the periodic drive, the blower fan 610 is controlled to be driven periodically in a predetermined dehydration stroke period.

That is, the driving of the blowing fan 610 according to the various patterns is divided into a plurality of first and second embodiments.

[First Embodiment]

Here, the first embodiment of the control method of the combined dry washing machine according to the present invention is to allow the blower fan to be selectively driven according to a predetermined period during the dehydration operation.

Referring to FIG. 3 showing the first embodiment of the control method for a combined washing machine according to the present invention, when a user inputs a power-on command, a desired washing course is selected (S101 to S102).                     

Subsequently, when the user selects a desired washing course and inputs an operation command, the washing and rinsing strokes are sequentially performed in the washing machine in accordance with the selected washing course (S103 to S106).

In addition, when the rinsing stroke is completed, it is determined whether the dehydration stroke is entered (S107).

As a result of the determination (S107), when the dehydration stroke is entered, the blowing fan is driven according to a preset driving condition (S108).

Subsequently, it is determined whether the driving condition of the blowing fan is continuous driving (S109).

As a result of the determination (S109), if the continuous drive is set, it is determined whether or not to drive the dehydration whole section (S110).

And if the determination result (S110), if driving the entire dehydration section, the fan is continuously driven during the dehydration section (S111).

In addition, when the dehydration administration is completed (S112).

On the other hand, if the determination result (S110), if not driving the dehydration all the time, it is determined whether to drive only intermittent dehydration (S113).

As a result of the determination (S113), if the blower fan is to be driven only in the intermittent dehydration section, the blower fan is continuously driven only in the intermittent dehydration section, and the dehydration operation is performed without the fan driving in the demounting section (S114 to S116).

In addition, in the determination result (S113), if you want to drive only in this dehydration stroke, not only the derailment driving, the interdeposition stroke proceeds without the fan driving (S117 to S118).                     

When the inter-dehydration stroke is completed, the blower fan is continuously driven during the dehydration stroke (S119 to S120).

Second Embodiment

Referring to FIG. 4, which shows a second embodiment of the control method for a combined washing machine according to the present invention, when a user inputs a power-on command, a desired washing course is selected (S201 to S202).

Subsequently, when the user selects a desired washing course and inputs an operation command, the washing and rinsing strokes are sequentially performed in the washing machine according to the selected washing course (S203 to S206).

In addition, when the rinsing stroke is completed, it is determined whether the dehydration stroke is entered (S207).

As a result of the determination (S207), when the dehydration stroke is entered, the blower fan is driven according to a preset driving condition (S208).

Subsequently, it is determined whether the driving condition of the blowing fan is periodic driving (S209).

As a result of the determination (S209), if periodic driving is set, it is determined whether or not to drive the dehydration full period (S210).

And if the determination result (S210), if driving all the dehydration section, the fan is driven periodically during the dehydration period (S211).

In addition, when the dehydration administration is completed (S212).                     

On the other hand, the determination result (S210), if not driving the dehydration of the entire region, it is determined whether to drive only intermittent dehydration (S213).

As a result of the determination (S213), if the blower fan is to be driven only in the intermittent dehydration section, the blower fan is periodically driven only in the intermittent dehydration section, and the dehydration stroke is performed without driving the fan in the de-interval section (S214 to S216). .

In addition, in the determination result (S113), if you want to drive only in this dehydration stroke, not the drive of the liver decay, proceeds with the decay stroke without the fan drive (S217 ~ S218).

When the intermittent stroke is completed, the blower fan is periodically driven during the main dewatered stroke (S219 to S220).

As described above, the combined drum washing machine and the dehydration control method according to the present invention allow the blower fan to be continuously driven or periodically driven according to a predetermined condition in the dehydration stroke before entering the drying stroke.

As described above, the combined-use washing machine and the control method thereof according to the present invention have the following effects.

First, by allowing the air blowing during the dehydration operation in the combined washing machine can remove moisture remaining in the laundry faster, it is possible to reduce the dehydration time and improve the dehydration performance.

Second, because the residual water in the drum can be removed during the laundry administration, mold and odor caused by the residual water can be prevented.

Third, the user can selectively set whether to drive the fan can be sensitive to the user power consumption.

Fourth, as the blowing fan is driven in the dehydration stroke, the laundry can be unfolded as the wind is introduced into the drum, thereby minimizing wrinkles.

Claims (8)

A key input unit for inputting a user's request command; A storage unit for storing a driving pattern of the blowing fan during the dehydration stroke; A controller configured to control a corresponding stroke for each selected course through the key input unit, and control the blower fan to be driven in a predetermined driving pattern when entering a dehydration stroke; And Drying drum washing machine comprising a fan drive unit for rotating the blowing fan in a predetermined drive pattern in accordance with the control signal of the control unit to blow air into the drum during the dehydration stroke. delete delete Selecting a desired washing course and inputting an operation command; Performing the corresponding washing and rinsing stroke according to the selected washing course when the operation command is input and determining whether to enter the dehydrating stroke; And And controlling the blower fan to blow air into the drum when the dehydration stroke is detected. The method of claim 4, wherein Controlling the driving of the blower fan according to a preset drive pattern Controlling the continuous driving of the blowing fan for each of the set dewatering stroke sections if a predetermined driving pattern is selected for the continuous driving of the blowing fan; and setting the dewatering stroke if the predetermined driving pattern is selected for the periodic driving of the blowing fan. Control method of a dry drum washing machine, characterized in that the step of controlling the periodic drive of the blowing fan for each section. The method of claim 5, wherein Controlling the continuous drive of the blower fan Continuously driving the blowing fan during the dehydration stroke section if the set section is a section before the dehydration stroke; and continuously driving the blowing fan only in the intermittent dehydration section if the set section is an intermittent dewatering section section, and the set section The control method of the dry laundry drum washing machine comprising the step of continuously driving the blowing fan only in the present dewatering administrative section. The method of claim 5, wherein Controlling the periodic drive of the blower fan Controlling driving of the blower fan at a predetermined cycle when the set section is a period before the dehydration stroke; controlling driving of the blower fan only at an intermittent dehydration section at a preset cycle when the set section is an intermittent dehydration stroke section; And controlling the driving of the blower fan only in the dehydration section at a predetermined cycle when the set section is the dehydration administration section. delete

Images