KR100769064B1 - Washing machine and controlling method thereof - Google Patents

Abstract

The present invention relates to a washing machine and a control method thereof, comprising: a heating tank accommodating laundry and washing water; A heater for heating the washing water in the heating bath; A temperature sensor measuring a temperature of the wash water heated by the heater; A display unit for displaying predetermined washing life information; A selection button installed adjacent to the display unit to select at least one of a heating temperature of the washing water and a washing time remaining; And a control unit for selectively displaying the washing life information on the display unit, wherein the washing life information includes a heating temperature of the washing water and a remaining time of washing. Thereby, the heating temperature and the washing remaining time of the washing water can be selectively displayed.

Description

Washing machine and its control method {WASHING MACHINE AND CONTROLLING METHOD THEREOF}

1 is a perspective view of a washing machine according to the present invention;

2 is a schematic longitudinal cross-sectional view of FIG. 1;

3 is an enlarged plan view of main parts of FIG. 1;

4 is a control block diagram of the washing machine of FIG.

* Explanation of symbols for the main parts of the drawings

10: main cabinet 14: door

26: operation button 32: control unit

34: heating tank 38: heater

40: blocking plate 44: temperature sensor

46: water supply 52: drain

The present invention relates to a washing machine and a control method thereof, and more particularly, to a washing machine and a control method for allowing the washing temperature and washing time of washing water to be selectively displayed.

In recent years, various types of washing machines are being widely used as technology of washing machines is gradually improved, such as increasing the washing efficiency by using air bubbles or increasing the washing efficiency by washing the laundry with the washing water. Thus, in the case of housewives, it is possible to significantly reduce the time and effort required for washing.

However, despite the improved technology of this washing machine, there is a drawback in that when washing white clothes, the steaming time is not completely removed. In addition, when washing underwear or baby clothes, the user wants a washing effect and a sterilizing effect.

Thus, in the case of washing white clothes, underwear, baby clothes, etc., in order to obtain the washing effect and the sterilization effect, the laundry is put in a pot or a pot together with the detergent and boiled. However, if care is not taken in the process of washing the laundry in this way, there is a disadvantage that can burn the laundry or a fire may occur.

Accordingly, in order to solve such a problem, a washing apparatus in which a predetermined heater is built so that laundry can be easily and safely boiled is disclosed in Korean Patent Application No. 1991-779.

By the way, in such a conventional washing machine, only one of the heating temperature of the washing water or the remaining washing time is alternatively displayed on the display, so that the heating temperature of the washing water or There is a disadvantage in that it is not possible to selectively grasp the washing time remaining.

It is therefore an object of the present invention to provide a washing machine and a control method thereof in which the heating temperature and washing time of washing water can be selectively displayed.

The above object, according to the present invention, a washing machine comprising: a heating tank for receiving laundry and washing water; A heater for heating the washing water in the heating bath; A temperature sensor measuring a temperature of the wash water heated by the heater; A display unit for displaying predetermined washing life information; A selection button installed adjacent to the display unit to select at least one of a heating temperature of the washing water and a washing time remaining; And a control unit for selectively displaying the washing life information on the display unit, wherein the washing life information includes a heating temperature of the washing water and a remaining time of the washing.

The control unit may display the heating temperature and the washing remaining time of the washing water on the display unit according to the number of pressing of the selection button. The controller may be configured to display a signal corresponding to the selected information for a predetermined time when a selection signal of the selection button is input while one of a heating temperature of the washing water and the remaining time of washing is displayed on the display unit. It can be displayed on the display unit.

When there is no separate input signal, the control unit displays the heating temperature of the washing water until the temperature of the washing water to be heated reaches a predetermined target temperature, and the washing water temperature is set to the target temperature. When it is reached, the laundry remaining time may be displayed on the display unit.

The washing machine includes a main cabinet having an upper portion opened to receive and support the heating bath at a predetermined spaced space, and a door rotatably installed on an upper portion of the main cabinet to open and close the upper opening of the heating bath. At this time, the display unit is provided in the main cabinet.

On the other hand, according to another field of the present invention, the object of the washing machine having a heating bath in which the laundry is accommodated, a heater provided in the heating bath to heat the wash water provided into the heating bath, and a display unit for displaying predetermined information A control method comprising: displaying a heating temperature of the washing water on the display unit until a temperature of the washing water to be heated reaches a predetermined target temperature; When the temperature of the wash water reaches the target temperature, it is also achieved by the control method of the washing machine comprising the step of displaying the washing time remaining on the display.

Here, the method may further include selecting any one of a heating temperature of the washing water and the remaining washing time.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the washing machine according to an embodiment of the present invention, the main cabinet 10 having an upper opening 12 and the upper part of the main body cabinet 10 to inject laundry and detergent A door 14 for rotatably installed to open and close the upper opening 12 and a foot member 20 provided below the main cabinet 10 to support the main cabinet 10 are provided.

The inner surface of the door 14 is formed with a plurality of pushing protrusions 16 to prevent the laundry from rising to the upper side in the process of washing the laundry, the outer surface is described later to discharge the steam generated in the process of boiling the laundry to the outside A vapor discharge port 18 in communication with the heating chamber 34 is formed.

A door opening / closing knob 22 for opening / closing the door 14 and a display unit 24 for displaying predetermined information are provided in an upper region of the main cabinet 10. In a region adjacent to the display section 24, a selection button 26 for selecting predetermined washing information is provided. Here, the washing information includes the heating temperature of the wash water and the washing time remaining.

The selection button 26 is connected to the control unit 32 so that any one of the heating temperature of the washing water and the remaining time of the washing is displayed on the display unit 24. In this case, as shown in FIG. 3, the selection button 26 may be provided as a single object so that the heating temperature and the washing remaining time of the washing water are displayed on the display unit 24 according to the number of pressing times. However, a selection button for managing the heating temperature of the washing water and a selection button for selecting the remaining time of the washing may be distinguished, as well as a separate selection button for selecting the current time, the number of rinses, and the material of the laundry. Of course you can also arrange.

On the other hand, if there is no separate selection signal by the selection button 26, the control unit 32 transmits the heating temperature of the washing water to the display unit 24 until the temperature of the washing water to be heated reaches a predetermined target temperature When the washing water temperature reaches the target temperature, the washing remaining time is displayed on the display unit 24.

The main cabinet 10 is provided with a tubular heating tank 34 which is disposed with the main cabinet 10 and a predetermined separation space to accommodate laundry and detergent. The heating tank 34 may be formed of, for example, aluminum, iron, alloy steel, or the like, and the outer wall of the heating tank 34 is provided with a heat insulating material for thermal insulation and heat insulation inside the heating tank 34.

One side of the heating tank 34 is provided with a water level sensor 36 which communicates with the heating tank 34 and detects the level of the wash water provided into the heating tank 34. In the present embodiment, the water level sensor 36 is in communication with the heating tank 34 on one side of the lower portion of the heating tank 34, and then on the bureche 30 provided on the upper portion of the water level pipe 28 disposed upwardly Prepared. Therefore, when the wash water is supplied into the heating bath 34, some of the supplied wash water is raised along the water level pipe 28, and after being raised for a certain period, the water level sensor 36 is operated by moving the beret in the blahette 30. Be sure to

The heating tank 34 is provided with a heating unit 39 for heating the washing water to boil the laundry. The heating unit 39 is a temperature connected to the control unit 32 by measuring the water temperature of the heater 38 provided in the bottom region of the heating tank 34 and immersed in the washing water, and the washing water heated by the heater 38. Sensor 44. In the upper region of the heater 38, a blocking plate 40 is provided in the transverse direction of the heating tank 34 to prevent the laundry introduced into the heating tank 34 from coming into contact with the heater 38. The blocking plate 40 is formed in a plate shape and a plurality of through holes 42 through which washing water flows are formed on the plate surface.

On the other hand, the washing machine according to the present invention, the water supply unit 46 for supplying the washing water into the heating tank 34, the supplied washing water is heated to boil the laundry and then drained the washing water in the heating tank 34 to the outside And a control part 32 for controlling the water supply part 46, the drain part 52, and the heater 38 based on a signal of the drain part 52 and the selection button 26.                     

The water supply part 46 is connected to a water supply source such as tap water, one end of which is exposed to the outside of the main body cabinet 10, and the other end of the water supply pipe 48 and the other end of the water supply pipe 48, It is provided and has a water supply valve 50 for controlling the flow of the washing water flowing in the water supply pipe 48 based on the signal of the control unit 32.

One end portion of the drain portion 52 is exposed to the outside of the main cabinet 10 and connected to a drainage source such as a sewer, and the other end is in communication with the heating tank 34, and one region of the drain pipe 54. It is provided and includes a drain valve 56 to control the flow of the washing water flowing in the drain pipe 54 based on the signal of the control unit 32.

The water supply unit 46 and the draining unit 52 initially form a flow path of the washing water for supplying the washing water introduced into the heating tank 34 and draining the washed water that has been boiled, as well as the control unit 32. On the basis of the control signal by the to form a flow path of the rinsing water for rinsing the washed laundry with clean water. In addition, the water supply valve 50 and the drain valve 56 may be provided with a valve driving unit (not shown) operated by a signal from the control unit 32, respectively.

By this configuration, the operation of the washing machine according to the present invention will be described with reference to FIG.

First, the door opening and closing knob 22 is pressurized to open and open the door 14, and then a certain amount of laundry and detergent are introduced into the heating tank 34 to close the door 14. Then, the select button 26 is pressed to select the number of rinses or the like, or to select a series of automatic programs.

When the selected signal is input to the control unit 32, the control unit 32 operates the water supply valve 50 so that the wash water is supplied into the heating tank 34 through the water supply pipe 48. At this time, the water level sensor 36 in communication with one side of the heating tank 34 checks the amount of washing water flowing into the heating tank 34 through the water supply pipe 48 and transmits it to the control unit 32.

When the predetermined washing water is introduced into the heating tank 34, the controller 32 operates the water supply valve 50 again to block the washing water flow in the water supply pipe 48, and then operates the heater 38. The washing water introduced into the heating tank 34 by the operation of the heater 38 increases in temperature, and when the predetermined target heating temperature is reached, the heater is stopped, and then washing is performed.

Meanwhile, in the process of washing the laundry, if the user wants to know the heating temperature or the remaining time of the washing water, the user presses the selection button 26a. Then, according to the selected signal, the control unit 32 displays the heating temperature or the remaining time of the wash water on the display unit 24. In the form of displaying predetermined information on the display unit 24, after the heating temperature or the remaining time is displayed within a few seconds depending on the operation of the selection button 26a, the display unit 24 may not only return to the original state but also a separate signal. The selected information may be displayed continuously until is input.

When the washing cycle is completed for a predetermined time, the control unit 32 stops the operation of the heater 38 and operates the drain valve 56 to drain the washing water in the heating tank 34 to the outside through the drain pipe 54. Be sure to

After the wash water used to boil the laundry is drained, the drain valve 56 by the control unit 32 closes the flow path of the drain pipe 54, so that the rinsing stroke is performed. That is, in a state where the flow path of the drain pipe 54 is closed, the controller 32 opens the flow path of the water supply pipe 48 through the water supply valve 50 so that clean rinsing water (refill water) is provided into the heating tank 34. When the rinsing of the laundry is completed, the drain pipe 54 is drained to the outside again. At this time, the series of rinsing cycles is based on the number of rinses selected by the user and displayed on the display unit 24.

When the rinsing stroke is completed (at this time, the flow path of the water supply pipe 48 and the drain pipe 54 is blocked by the control unit 32), the user opens the door 14 to boil in the heating tank 34 and After taking out the laundry which has been rinsed out, it is dried to obtain clean laundry which has been carried out until washing and sterilization.

As such, according to the present invention, the heating temperature and the washing remaining time of the washing water can be selectively displayed.

In the above-described embodiment, although the heater is immersed in the wash water, the heater may be disposed outside the heating bath to heat the heating bath from the outside. In addition to this, in addition to the heater, it can be substituted by steam or burner.

In the above-described embodiment, although no mention is made of the foot member, the foot member may be employed in a movable wheel shape to smoothly move the position of the washing machine. In this case, the foot member is preferably provided with a predetermined brake device so that the movement of the washing machine is suppressed at the predetermined position.

In addition, in the above-described embodiment, the rinsing stroke is performed after the washing process is completed, but if the user does not want the rinsing stroke, the user may not perform this by operating the selection button. Of course.

In the above-described embodiment, the water supply and drainage are to be performed at the lower side of the heating bath, but it goes without saying that the water supply may be supplied to the top of the heating bath.

In the above-described embodiment, while the heater is in operation, the heating temperature and the washing time of the washing water are displayed. However, the display of the remaining time may be performed in the first, watering, or rinsing process.

As described above, according to the present invention, a washing machine and a method of controlling the same are provided so that the heating temperature and washing time of washing water can be selectively displayed.

Claims (7)

In the washing machine, A heating bath accommodating laundry and washing water; A heater for heating the washing water in the heating bath; A temperature sensor measuring a temperature of the wash water heated by the heater; A display unit for displaying predetermined washing life information; A selection button installed adjacent to the display unit to select at least one of a heating temperature of the washing water and a washing time remaining; A control unit for selectively displaying the washing life information on the display unit, The washing life information washing machine comprising a heating temperature of the washing water and the remaining time of the washing. delete The method of claim 1, The control unit is characterized in that for displaying the heating temperature of the wash water and the washing time remaining in the display unit according to the number of pressing of the selection button. The method of claim 1, The controller may be configured to display a signal corresponding to the selected information for a predetermined time when a selection signal of the selection button is input while one of a heating temperature of the washing water and the remaining washing time is displayed on the display unit. Washing machine, characterized in that displayed on. The method of claim 1, The control unit displays the heating temperature of the washing water until the temperature of the washing water to be heated reaches a predetermined target temperature, And when the washing water temperature reaches a target temperature, displaying the washing time remaining on the display unit. In the control method of the washing machine having a heating bath in which laundry and detergent are accommodated, a heater provided in the heating bath to heat the wash water provided in the heating bath, and a display unit for displaying predetermined information, Displaying a heating temperature of the washing water on the display unit until a temperature of the washing water to be heated reaches a predetermined target temperature; And when the temperature of the wash water reaches a target temperature, displaying a washing time remaining on the display unit. The method of claim 6, The control method of the washing machine further comprising the step of selecting any one of the heating temperature of the washing water and the remaining time of the washing.

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