KR20000045033A - Washing method of a washing machine equipped with dual motors - Google Patents

Abstract

PURPOSE: A washing method of a washing machine equipped with a dual motor is provided to enhance the energy and washing efficiency by operating one or both of a main motor and an auxiliary motor according to a washing course. CONSTITUTION: It is judged whether a washing course is selected after power is applied and whether the selected washing course is for old dirt or blankets(S103). As the judgement result, if the selected washing course is for old dirt or blankets, both of a main motor and an auxiliary motor are turned on to carry out washing(S104). If the selected washing course is not for old dirt or blankets, it is judged whether the washing course is for little dirt. If the washing course is for little dirt, only the main motor is turned on to carry out the washing(S106).

Description

How to wash a washing machine with a double motor

The present invention relates to a washing method of a washing machine having a double motor, and more specifically, to a washing course selected by a user in a washing machine having two driving motors driven independently or simultaneously according to driving conditions. The present invention relates to a washing method for optimally performing washing by properly operating a heavy motor.

In general, most homes are equipped with a washing machine so that a large amount of various laundry can be washed quickly and easily. Such a general washing machine basically has a water tank fixedly installed in an outer case of the washing machine, and at a predetermined interval inside the water tank. The water tank is fixedly installed so as to be spaced apart from each other and is rotatable at high speed, and a pulsator is rotatably installed in the lower portion of the inner side of the washing tank.

Referring to the operation of the washing machine schematically, when the washing water is first supplied to the washing tank, the washing water is filled not only in the washing tank, the reservoir tank, between the washing tank and the reservoir tank, but also in the space between the lower portion of the washing tank and the reservoir tank. In the subsequent washing operation, the pulsator rotates to the left and right, and by rotating the pulsator, the back water is generated in the washing tank, and the washing is performed. At the same time, dehydration is performed, and the dewatered wash water is discharged to the reservoir through a hole formed in the washing tank, after which the washing water is drained to the outside through a drain hole formed at the bottom of the reservoir to perform washing. will be.

Looking at such a washing machine with reference to FIG. 1, a storage tank 14 for storing water supplied from a water supply valve 12 is installed in the cabinet 10, and a washing tank 16 is installed in the storage tank 14. Is rotatably installed, and a plurality of holes 18a are formed in the washing tub 16 for entering and exiting the washing water. In addition, the reservoir 14 is suspended on the inner upper portion of the cabinet 10 by a suspension device 18, the suspension device 18 having an elongated arm 18a, the upper end of the arm 18a. Is suspended from the fixed piece 10a formed in the upper part of the cabinet 10, and the lower end of the arm 18a is caught and held by the support piece 14a formed below the outer peripheral surface of the reservoir 14. As shown in FIG. Moreover, the spring 18b is wrapped by the housing 18c at the lower end of the arm 18a. The suspension device 18 installed as described above serves to cushion the vibration and shaking of the reservoir 14 generated during washing and dehydration to balance the reservoir 14 and prevent noise.

In addition, a base 20 is installed at a lower portion of the reservoir 14, and a gear device for reducing and intermittently driving the driving force of the motor 22 and the motor 22 on the lower surface of the base 20. 24 are respectively installed. The gear device 24 has a first drive shaft 24a for rotating the pulsator 26 located at the bottom of the washing tub 16 and a second drive shaft 24b for rotating the washing tub 16. . In addition, the gear device 24 is not shown to control the driving force so that a combination of a plurality of gears, for example, planetary gears and a ring gear, and rotation of one of the first and second drive shafts 24a and 24b are made. It consists of a clutch, and the 1st drive shaft 24a is wrapped by the 2nd drive shaft 24b.

Therefore, when the user sets the desired washing function, the driving motor 22 is operated during washing, and according to the operation of the driving motor, the pulley 22a provided at the driving motor 22 rotates. Such rotational force of the pulley 22a is transmitted to the pulley 24c of the gear device 24 by the V-belt 27. As such, when the rotational force is transmitted to the gear device 24 through the V-belt 27, the first drive shaft 24a and the second drive shaft 24b of the gear device 24 rotate, thereby causing the washing tank and the pulsator to watch. It rotates in the direction or counterclockwise to wash the laundry, and when dewatering, the drive shafts 24a and 24b of the gear unit 24 are connected to each other by friction springs (not shown), so that only the washing tank is driven in one direction at a high speed. By rotating, the washing water is dewatered from the laundry.

That is, according to the conventional washing method in a single washing machine employing a single motor, when a user selects a desired washing course, the quantity of laundry is first detected, and then the driving time of the motor suitable for the quantity and the water supply is set. Was driven to wash and dehydrate automatically.

However, in the conventional washing method using a single motor as described above, even if the user selects a desired washing course, the driving motor having a fixed rated capacity should be operated at the time of washing. When washing laundry or washing special laundry such as clothes, there is a problem that causes unnecessary power loss.

In addition, when washing flexible and soft materials, strong rotational water flow is generated by the driving of a motor having a relatively high rated capacity, resulting in damage to laundry, and excessive vibration and noise are generated when such a large power is generated. There was a problem that can not run quiet operation.

Accordingly, the present invention has been made to solve the problems described above, the object of the present invention is to set the power required in the selected washing course appropriately when performing the washing according to the selected washing course, two motors each independently Another object of the present invention is to provide a washing method of a washing machine having a dual motor capable of simultaneously performing optimal washing.

Another object of the present invention is to provide a washing method of a washing machine having a dual motor capable of maximizing energy efficiency during washing execution according to a selected washing course and preventing vibration and noise.

1 is a cross-sectional view showing a typical washing machine.

Figure 2 is a cross-sectional view showing the structure of a washing machine having a double motor to which the washing method according to the present invention is applied.

Figure 3 is a flow chart showing the operating mode of the washing method in the present invention.

♣ Explanation of symbols for the main parts of the drawing ♣

14: reservoir 16: washing tank

30: main motor 32, 42: drive rod

34,44: pulley 40: auxiliary motor

50: gear 52: first pulley

54: second pulley 56: first drive shaft

58: second drive shaft 60: first V-belt

62: second V-belt 70: micom

These objects include a microcomputer for controlling the overall washing administration, a reservoir provided with a base at the bottom thereof, a washing tank rotatably installed inside the reservoir, a pulsator rotatably installed at a lower portion of the washing tank, A main motor mounted on one side and operated under control of the micom, an auxiliary motor mounted on the other side of the base and operated under control of the micom, and mounted on a base between the main motor and the auxiliary motor and mounted on the pulsator And / or a washing machine having a double motor including a gear device connected to the main motor and the auxiliary motor to rotate and drive the washing tank, wherein the washing course is selected after the power is supplied. Judging and determining whether the selected washing course is steamed or a futon washing course; If it is determined that the selected washing course is steamed or a futon washing course, turning on both the main motor and the auxiliary motor to perform washing; Determining whether the selected washing course is dirty or a futon washing course or less, and if the washing course is less, turning on only the main motor to perform washing; When the selected washing course is steamed or futon washing course and less time washing course, it is determined whether it is a clothes washing course, and if it is a clothes washing course, washing the washing machine with a double motor including turning on only the auxiliary motor to perform the washing. It can be achieved by the method.

Hereinafter, a preferred embodiment of a washing method of a washing machine having a double motor according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a cross-sectional view showing the structure of a washing machine having a double motor to which the washing method according to the present invention is applied, and FIG. 3 is a flowchart showing an operation mode of the washing method according to the present invention. As such, except for some of the components of FIG. 2, the same components as those shown in FIG. 1 are denoted by the same reference numerals.

First, as shown in Figure 2, the washing machine for applying the washing method according to the present invention is basically installed in the cabinet 10, the reservoir 14 for storing the water supplied from the water supply valve 12, The washing tank 16 is rotatably installed in the reservoir 14, and the pulsator 26 is rotatably installed in the washing tank 16, and the cabinet 10 and the reservoir 14 are Interconnected by a suspension device 18, two drive motors and one gear device are provided.

That is, the washing machine has a main motor 30 is mounted on one side of the base 20 mounted on the lower part of the reservoir 14 as shown in the drawing, and the auxiliary motor 40 corresponding to the main motor 30 on the opposite side thereof. ) Is disposed, the gear device 50 is installed in the center of the main motor 30 and the auxiliary motor (40). That is, the main motor 30 is disposed at one point symmetrical with respect to the gear device 50 fixed on the center axis of the washing tank 16 and the pulsator 26 described above, and the auxiliary motor 40 at the other point. The center of gravity formed by them is eventually coincident with the center axis of the gear arrangement, ie the center of gravity of the entire washing machine.

Of course, the main motor 30 is connected to the microcomputer 70, which is essentially employed in the washing machine, is driven by the control of the microcomputer and is provided with a driving rod 32 which is rotated when the motor is operated. A pulley 34 is attached to an end portion of the 32 and a blowing fan 36 for cooling the main body of the main motor 30 is mounted. Correspondingly, the auxiliary motor 40 is also connected to the microcomputer and is driven by the control of the controller, and has a driving rod 42 which is rotated when the motor is operated. The pulley is formed at the end of the driving rod 42. A 44 is mounted, and a blowing fan 46 for cooling the main body of the auxiliary motor 40 is mounted.

Then, the gear device 50 which is operated in conjunction with each of the motor 30 and the motor 40 is operated by two pulleys, that is, the main motor 30 in order to receive power during operation of each of these motors. And a second pulley 54 for receiving its rotational force upon operation of the first pulley 52 and the auxiliary motor 40. Of course, the gear device 50 is provided with a first drive shaft 56 and a second drive shaft 58 that can be selectively or simultaneously associated with the pulsator 26 and the wash tub 16. As described later in detail, in order to improve the washing efficiency, it is preferable to increase the rated capacity of the main motor 30 to be larger than the rated capacity of the auxiliary motor 40, which is dependent on the operating variables considered in the washing operation as described above. For selecting the operating load and operating the motor appropriately required for this, for example, the main motor 30 is preferably used 42mm motor, the auxiliary motor 40 is preferably used 30mm.

Meanwhile, the rotational force generated by each of these motors is basically transmitted to the gear unit by the V-belt, that is, the pulley 34 of the main motor 30 and the first pulley of the gear unit 50 ( 52 is interconnected by the first v belt 60 and the pulley 44 of the auxiliary motor 40 and the second pulley 54 of the gear device 50 are connected by the second v belt 62. .

Hereinafter, the washing method according to the present invention will be described in detail by applying to the washing machine having the above-described dual motor.

First, when the user puts the laundry in the washing tank 16 and turns on the power (S100), it is determined whether a predetermined washing course is selected by the user (S101). After that, it is determined whether the selected washing course is steamed or a futon laundering course (S103). When washing or quilting washing course, both the main motor 30 and the auxiliary motor 40 are turned on at the same time to perform a predetermined washing. (S104). On the other hand, when it is not steamed or futon laundering course, it is determined whether the selected washing course is less laundry, that is, when less washing course (S105).

As a result of determining whether the washing course is small when the selected washing course is small, when the washing course is small, only the main motor 30 having a larger rated capacity is turned on and the auxiliary motor is turned on. 40 performs a predetermined washing process in the state of turning off (S106).

On the other hand, when the selected washing course is steamed or duvet laundering course or less when the washing course, it is determined whether the clothes washing course (S107), if the result of the clothes washing course, the main motor 30 and the auxiliary motor 40 Only the auxiliary motor 40 having a relatively small rated capacity is turned on and the main motor 40 is turned off to perform a predetermined washing stroke corresponding thereto (S108). Of course, if the selected washing course is not a suit washing course, the above-described determination steps (S102, S103, S105, S107) are executed again to simultaneously drive the main motor and the auxiliary motor in accordance with the selected washing course or one of these motors. By selecting and driving the predetermined washing will be performed.

Accordingly, when the washing course desired by the user is selected, one of the two motors is independently operated or both of these motors are operated at the same time so as to suit the washing course.

As described above, according to the washing method in the washing machine equipped with the double motor according to the present invention, the main motor and the auxiliary motor can be operated simultaneously or independently of each other according to the washing course selected by the user. By using the optimal power to improve the energy efficiency and washing efficiency, as well as to prevent damage and vibration of the laundry due to the generation of more power than necessary to have the effect of improving reliability.

In the above, preferred embodiments of the present invention have been described in detail, but it will be understood by those skilled in the art that various modifications and changes can be made without departing from the scope of the appended claims.

Claims (1)

A microcomputer for controlling the overall washing administration, a reservoir provided with a base at the bottom, a washing tank rotatably installed in the reservoir, a pulsator rotatably installed at the bottom of the washing tank, and mounted on one side of the base. A main motor operated under the control of the micom, an auxiliary motor mounted on the other side of the base and operated under the control of the micom, and mounted on a base between the main motor and the auxiliary motor and mounted on the pulsator and / or washing tank. In the washing method of the washing machine having a double motor comprising a gear device that is connected to the main motor and the auxiliary motor to operate at the same time to rotate the drive, Determining whether a washing course is selected after supplying power, and determining whether the washing course is steamed or a futon washing course; If it is determined that the selected washing course is steamed or a futon washing course, turning on both the main motor and the auxiliary motor to perform washing; Determining whether or not the selected washing course is steamed or futon washing course when the washing course is low, and if the washing course is low, turning on only the main motor to perform washing; When the selected washing course is steamed or futon washing course and less time washing course, it is determined whether it is a clothes washing course, and if it is a clothes washing course, washing the washing machine with a double motor including turning on only the auxiliary motor to perform the washing. Way.