KR101095710B1 - A drum type washing machine with laundry drying function and method of controlling the same - Google Patents

Abstract

The present invention relates to a drum washing machine, and more particularly, to a drying drum washing machine and a method for controlling the same, which allows the fan motor to be selectively driven at the end of the dehydration stroke, which is the last administration during the washing cycle, depending on whether the drying stroke is selected in the dry washing machine. It is about.

That is, the present invention provides a dry laundry drum washing machine having a fan motor for driving a blowing fan, comprising: a key input unit for inputting a user's request command; A controller for controlling the drum washing machine so as to perform a corresponding stroke for each selected course through the key input unit, and controlling the driving of the fan motor; And a fan driving unit controlling the driving of the fan motor according to a control signal of the control unit. The control unit includes a drying drum which operates the fan motor for a set time after the dehydration stroke is started, when a drying stroke is not selected. It includes a washing machine.

Therefore, in the present invention, the dry combined drum washing machine and its control method do not select the drying stroke for a long time by driving the fan motor at the end of the dehydration stroke even if only the washing stroke is selected, so that foreign matters are attached to the inner ring of the fan motor. There is an effect that can prevent the noise caused by the fan motor driving caused by wear in advance.

Drying / Washing Machine / Dewatering / Fan Motor

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 control method of a dry drum washing machine according to the present invention.

Figure 4 is a graph showing the dehydration stroke of the dry-use drum washing machine according to the invention.

<Description of the symbols for the main parts of the drawings>

100: key input unit 200: control unit

300: heater driving unit 310: heater

400: motor east 410: fan motor

500: storage unit 600: display unit

The present invention relates to a drum washing machine, and more particularly, to a drying drum washing machine and a method for controlling the same in which a fan motor can be selectively driven at the end of a dehydration stroke, which is the last stroke in a washing operation, depending on whether a drying stroke is selected in a drying drum washing machine. It is about.

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, and putting washing water and laundry together inside a rotating tub and stirring them to wash laundry and washing. 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 does not select the drying stroke, and when only the washing stroke is selected, the fan motor circulating air during the drying stroke is not driven for a long time, and thus foreign matter is attached to the inner ring of the fan motor bearing. As such, when the fan motor is driven while foreign matter is attached to the inner ring of the fan motor bearing, axial wear occurs on the inner ring of the fan motor bearing. Thus, when the fan motor is driven during the dry stroke in a state in which the inner ring of the fan motor bearing is worn, there is a problem that abnormal noise occurs.

 The present invention has been made to solve the above problems, and even if only the washing administration in a dry-use washing machine, the purpose is to allow the fan motor to be driven at the end of the dehydration stroke.

In addition, when the washing and drying administration proceeds at the same time, the purpose is to allow the fan motor to be selectively driven at the end of the dehydration stroke.

Embodiment is a dry drum washing machine having a fan motor for driving a blowing fan, comprising: a key input unit for inputting a user's request command; A controller for controlling the drum washing machine so as to perform a corresponding stroke for each selected course through the key input unit, and controlling the driving of the fan motor; And a fan driving unit controlling the driving of the fan motor according to a control signal of the control unit. The control unit includes a drying drum which operates the fan motor for a set time after the dehydration stroke is started, when a drying stroke is not selected. It includes a washing machine.

Preferably, the control unit outputs a control command to the fan drive unit so that the fan motor can be driven at the end of the dehydration cycle when the drying stroke is not selected and only the washing stroke is selected. It is characterized by outputting a control command so that the fan motor can be selectively driven.

In the control method of the combined drum washing machine according to the present invention for achieving the above object, the control method of the dry drum washing machine equipped with a fan motor, the step of inputting an operation command after the user selects the desired washing and drying course; And performing the washing and rinsing stroke according to the selected washing course according to whether the drying course is selected when the operation command is input, and then controlling whether the fan motor is driven when the dehydrating stroke is completed. It is characterized by building.

Preferably, the step of controlling the driving of the fan motor is the drying course is not selected, if only the washing course is selected, the step of driving the fan motor for a predetermined time at the completion of the dehydration stroke and the drying course, If is selected is characterized in that the step of selectively controlling the drive of the fan motor at the completion of the dehydration stroke.

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

Figure 2 is a block diagram showing a control configuration of a dry dual-use drum washing machine according to the present invention, Figure 3 is a flow chart showing a control method of a dry-use drum washing machine according to the present invention, Figure 4 is a dry combined drum according to the present invention It is a graph showing the dehydrating stroke section of the washing machine.

As shown in FIG. 2, the combined washing machine according to the present invention includes a key input unit 100 for inputting a user's request command and a storage unit for storing a pattern for driving the fan motor 410 during the dehydration operation. And a control unit 200 for controlling the corresponding stroke for each selected course through the key input unit 100 and controlling the driving of the fan motor at the end of the dehydration stroke according to the selection of the drying course. A motor driving unit 400 controlling the driving of the fan motor 410 according to the control signal of the 200, a heater driving unit 300 controlling the driving of the heater 310 according to the control signal of the control unit 200; , A display unit 600 for displaying an operation state and the like.

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 inputs an operation command, the control unit 200 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.

At this time, when the drying stroke is not selected, the fan motor 410 outputs a control command to the fan motor driver 400 so that the fan motor 410 can be driven for a preset time.

In addition, when the drying stroke is selected, the fan motor 410 may be selectively driven at the end of the dehydration stroke according to a user's request.

Referring to FIG. 3, the control method of the combined-use washing machine according to the present invention configured as described above is selected when the user inputs a power-on command (S101 to S102).

Next, it is determined whether only washing is selected (S103).

If only the washing is selected, when the user inputs an operation command, the washing, rinsing, and dehydration strokes are sequentially performed according to the selected washing course (S104 to S106).                     

In addition, it is determined whether the dehydration administration is completed (S107).

As a result of the determination (S107), when the dehydration stroke is completed, the fan motor is operated for a preset time (S108 to S109).

On the other hand, in the determination result (S103), if the user does not select only the washing stroke, it is determined that the drying stroke is selected, and it is determined whether the fan motor driving is already selected.

As a result of the determination, if the fan motor driving is already set, the process enters the step S104 and is driven in the same manner.

In addition, as a result of the determination, if the fan motor driving is not previously set, washing, rinsing, and dehydration are sequentially performed, and then a drying operation is performed according to the preset conditions.

As described above, the combined drum washing machine and the control method thereof according to the present invention allow the fan motor to be selectively driven in the final dehydration stroke during the washing stroke, depending on whether the drying stroke is selected.

As described above, even if only the washing stroke is selected, the combined washing machine and the control method according to the present invention can prevent the noise due to the driving of the fan motor because the drying stroke is not selected by driving the fan motor at the end of the dehydration stroke even if only the washing stroke is selected. It works.

Claims (4)

In a dry drum washing machine equipped with a fan motor for driving a blowing fan, A key input unit for inputting a user's request command; A controller for controlling the drum washing machine so as to perform a corresponding stroke for each selected course through the key input unit, and controlling the driving of the fan motor; And And a fan driver controlling the driving of the fan motor according to the control signal of the controller. The control unit is a dry drum washing machine that operates the fan motor for a set time after the dehydration stroke is started, if the drying stroke is not selected. The method of claim 1, When the drying stroke is not selected, the point of time to start the fan motor is a drying drum washing machine is a point when the dehydration stroke is finished. In the control method of a dry drum washing machine equipped with a fan motor, Selecting a desired washing and drying operation and inputting an operation command; And, Performing a washing process including a dehydration stroke according to the operation command; And controlling the fan motor to drive the fan motor for a set time after the dehydration stroke is started if a drying stroke is not selected in the operation command. The method of claim 3, wherein In the step of controlling the fan motor, If the drying stroke is not selected, the control point for driving the fan motor is a control method for a dry drum washing machine that is the time when the dehydration stroke is finished.

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