CN101994227B - Method for controlling combined washing mode of washing machine - Google Patents

Abstract

The invention discloses a method for controlling the combined washing mode of a washing machine. The washing program is selected according to the fabric of the laundry, and/or the weight of the laundry, and/or the degree of dirtiness of the laundry, and each washing program corresponds to at least one User-selectable washing mode, the washing mode is determined by one or more combinations of the three factors of washing bucket water level, washing bucket and/or pulsator structure, and motor operation, and corresponds to two or more washing modes In the washing program, the user can select a suitable washing mode from the default washing mode and other washing modes under the washing program according to the characteristics of the laundry except fabric, weight and dirtiness. Through two or more combined washing methods, more choices are given to the user. The washing method can be reasonably selected according to the characteristics of the clothes to be washed, so as to save electricity and water, protect the clothes, and wash cleanly. .

Description

Control method of combination washing mode of washing machine

technical field

The invention relates to a control method of a washing machine, in particular to a control method of a combined washing mode of a washing machine.

Background technique

Nowadays, the control methods of washing machines are mostly realized by setting a fixed number of conventional washing programs. The washing parameters of washing machines such as washing time and water flow are fixed, and the washing methods cannot be adjusted freely according to various parameters of the laundry, which lacks scientificity. And the washing effect is bad, wasting water and electricity.

For example, the Chinese invention patent whose publication number is CN86102794 titled "A Method for Washing Fabrics Using a Washing Machine", the publication number CN119111 titled "A Method for Washing Woolen Products in a Washing Machine", and the publication number is CN1097478 titled The "method and device for controlling the washing operation of a washing machine" both disclose a washing method formulated for a specific parameter of the laundry itself and a device using the above method. It can be seen that in the existing washing machine washing technology, a separate washing procedure determined according to a single parameter of the clothes is adopted, so the washing procedure is not scientific, and the washing effect after the implementation of the washing procedure will definitely not reach the optimum. It is also a waste of resources such as water and electricity. The above-mentioned washing method is aimed at different stains and clothing fabrics during washing, and the washing methods are all the same, which may cause problems such as water consumption and power consumption, bad laundry or unclean washing. For example: for some conventional fabrics or white clothes that are not easy to fade, if you still use the conventional washing method, a lot of water may be wasted. The concentration of detergent powder is low, making it difficult to clean and easy to entangle.

The Chinese patent with the application number 200810185827.9 discloses a series of operation methods of a washing machine and a washing machine using this operation method, specifically referring to a combined washing program composed of a combination of a conventional washing program and an additional washing program and a machine that uses this program to work. washing machine. The combined washing program includes not only the conventional washing program determined according to the type of clothes, but also an additional washing program determined according to the texture, weight and degree of dirtiness of the clothes based on consumers' washing wishes. The invention also provides a washing machine using the combined washing program.

The above method is a combination of programs selected for the texture, weight and turbidity of different clothes, but the washing method has not changed, and the water flow change, motor speed ratio, water level frequency, etc. are still fixed patterns; it may also waste a lot of water, making The concentration of washing powder is low, reducing the washing effect.

The Chinese patent application number 200610088020.4 discloses a multi-power washing method and washing parts of a washing machine. A stirring wheel is arranged in the middle of the wave wheel of the washing machine. The wave wheel and the stirring wheel are respectively driven by different internal powers. By setting the washing program, Make different combinations and collocations for the rotation of the inner tub, pulsator, and stirring wheel to meet the washing power requirements of different clothes.

The above invention is to increase the structure of the washing machine and carry out different combinations and collocations of the pulsator, the inner tub, and the stirring wheel to meet different washing methods, and the cost is relatively high.

In view of this, the present invention is proposed.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, to provide a control method with two or more combined washing methods, to give users more choices, and to choose reasonably according to the characteristics of the clothes to be washed. The washing method can not only save electricity and water, but also protect the clothes and wash them clean.

In order to solve the above-mentioned technical problems, the basic idea of the technical solution adopted by the present invention is: a control method of the combined washing mode of the washing machine, which is selected according to the fabric of the laundry, and/or the weight of the laundry, and/or the degree of dirt of the laundry. The washing program is characterized in that: each washing program corresponds to at least one user-selectable washing mode, and the washing mode is determined by one of three factors: the water level of the washing bucket, the structure of the washing bucket and/or the pulsator, and the operation of the motor. or multiple combinations. In the washing program corresponding to two or more washing modes, the user can select the default washing mode and other washing modes under the washing program according to the characteristics of the laundry except fabric, weight and dirtiness. Select the appropriate washing mode.

The washing modes include at least a normal washing mode or a water-saving tumble washing mode.

The washing program corresponding to multiple washing modes includes a default washing mode set by the system or the user. The default washing mode is the washing mode that the washing machine automatically runs after the washing program is selected. In addition, it includes at least one water-saving flip washing mode. The washing program corresponds to An auxiliary button, after selecting a washing program, the user can press the auxiliary button to select each washing mode.

The washing mode is a washing mode obtained by the combined action of the water level frequency value of the washing machine, the water flow parameters determined by the motor rotation and stop time ratio, and the washing speed of the motor.

The water-saving flip washing mode is: when the water level is low, with the high-top pulsator protruding upward in the center, the laundry climbs up from the side wall of the washing tub to the center along the pulsator blades on the pulsator at the bottom of the washing tub , the bulge in the center of the pulsator climbs to the highest point, after a short period of throwing up, it performs an outward turning motion until it reaches the position where the side wall of the washing bucket is far away from the center of the pulsator, and then falls to the bottom of the cyclic movement of the bucket. The outward turning and revolving movement is a movement in which the laundry turns itself outward while the laundry revolves around the central axis.

The washing program includes a program that contains only one washing mode, and the washing mode is the washing mode operated by default.

The concrete steps of this control method are:

a. Start the washing machine;

b. Select the washing program;

c. Whether the selected program includes water-saving flip washing, if so, go to the next step; if not, the computer board CPU will call out the default water level frequency value of conventional washing, the motor turn-off ratio and other parameters, and then go to step e;

d. The CPU of the computer board calls out the parameters such as the water level frequency value of the water-saving flip washing, the motor rotation and stop ratio;

e. washing;

f. rinse;

g. Dehydration;

h. End.

The parameters of the water flow in the water-saving flip washing mode are that the motor rotation time is between 0.5-1.1 seconds, the stop time is between 0.1-0.3 seconds, the water level frequency is between 23.10KHz-22.00KHz, and the motor washing frequency is 80-100Hz The parameters of the water flow in the normal washing mode are that the motor rotation time is between 0.5-1.7 seconds, the stop time is between 0.4-0.9 seconds, the water level frequency is between 23.10KHz-20.80KHz, and the washing frequency of the motor is between 40- between 70Hz.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

The washing machine of the present invention still has program keys and corresponding programs on the control panel, and there are one or two auxiliary keys near the program keys. The button can be a certain washing mode or a certain program method. Through the corresponding control keys and control methods, and the center raised pulsator structure, two or more washing modes or program combination modes can be realized on one washing machine. When washing clothes, the user can choose whether to use conventional washing or other washing methods according to the fabric characteristics of the clothes. Through two or more combined washing methods, more choices are given to users. According to the characteristics of the clothes to be washed, the washing methods can be reasonably selected, so as to save electricity and water, protect the clothes, and wash cleanly. .

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the flow chart of the washing machine combination washing mode control method of the present invention;

Fig. 2 is a schematic diagram of the movement trajectory of the laundry in the water-saving flip washing mode according to the present invention;

Fig. 3 is a schematic structural view of an embodiment of the pulsator of the present invention;

Fig. 4 is a schematic diagram of the basic contour curve of the base structure at the bottom of the pulsator according to the present invention;

Fig. 5 is a schematic diagram of the angle between the side wall of the stirring blade of the pulsator of the present invention and the chassis of the pulsator;

Fig. 6 is a schematic cross-sectional view of the pulsator of the present invention.

Detailed ways

The washing program of the washing machine is mostly determined for at least one of the parameters of the weight, fabric and turbidity of the clothes or other parameters of the clothes, but no matter which parameters are used to determine the washing program, it is only based on the clothes It is determined by a single parameter, so it seems that the washing program of the washing machine is very unscientific, and the washing effect of this fixed washing program is not ideal.

The combined washing of the washing machine of the present invention is a subroutine set in the above-mentioned washing program, that is, the washing mode. The washing mode is preset and stored according to each washing program. And achieve different washing methods. For example, under the "big item" washing program, it can correspond to the setting of different water level frequency values and different motor turn-off ratios. There are high-water level high-intensity washing modes, medium water level high-intensity washing modes, etc., and the default setting is high. In the high-intensity washing mode of water level, if the large items of laundry are large and dirty items such as curtains, the user does not need to search for a suitable washing mode again during operation, but only needs to select "large items" after washing, and let the washing machine run the default washing mode That is, if it is a pillow towel or a small towel and other small laundry, after selecting "large items" for washing, the user can then choose the medium water level high-intensity washing mode or the low water level high-intensity washing mode. Different water levels can be divided into high, medium and low water levels; different speeds can be divided into fast, normal and slow; different motor rotation ratios can be divided into high-strength washing, normal washing, and gentle washing; The pulsator and other structures correspond to different rotating speeds to set different turning washing water flows, for example, water-saving turning washing mode and normal washing mode; other washing methods can also be set according to the degree of dirtiness or fabrics, such as agitation washing and gentle washing.

A washing program with two or more washing modes generally corresponds to a default washing mode, which is normal washing, that is, the most suitable washing mode pre-stored, and another suitable washing mode, This mode corresponds to an auxiliary button. After the user selects the washing program, he can press the auxiliary button to select other washing modes, and the user can also set the default washing mode according to his family situation.

If normal washing mode is available for all programs, but this program is most suitable for saving water and electricity through water-saving flip washing, then the washing machine will default to water-saving flip washing mode. For example: ordinary standard clothes; very dirty jeans, underwear and other clothes; finer silk fabrics, white clothes and other clothes, the washing machine will automatically default to water-saving flip washing, and these programs also allow users to choose the washing mode. But for a program that is only suitable for a certain washing mode, the washing machine does not allow the user to set it after defaulting. For example, for such as big bed sheets, quilt covers; clothes that are easy to fade and stained with sand; clothes that are easy to wrinkle; big quilts, etc., you can only use a fixed washing mode. In other washing modes, the washing machine will no longer respond, and it can only be carried out according to the default washing mode of the washing machine.

The washing mode is a washing method obtained by the combined action of the water level frequency value of the washing machine, the water flow parameters determined by the motor rotation and stop time ratio, and the washing speed of the motor. For example, the parameters of the water flow in the water-saving flip washing mode are that the motor rotation time is between 0.5-1.1 seconds, the stop time is between 0.1-0.3 seconds, the water level frequency is between 23.10KHz-22.00KHz, and the washing frequency of the motor is 80 Between -100Hz; the parameters of the water flow in the conventional washing mode are that the motor rotation time is between 0.5-1.7 seconds, the stop time is between 0.4-0.9 seconds, the water level frequency is between 23.10KHz-20.80KHz, and the washing frequency of the motor is between Between 40-70Hz.

In the control method of the combined washing mode of the washing machine described in the present invention, the water-saving flip washing preferably needs to cooperate with the washing machine pulsator with a raised center. The applicant has disclosed the pulsator structure in the application number 200910131767.7, and the pulsator can be The laundry is turned up and down in the water for washing. The washing method is to use the combination of the constant friction and stirring force of the pulsator on the laundry and the impact force of the water during the frequent positive and negative rotation of the pulsator to form a A special washing method that can apply appropriate mechanical force to the washing to achieve the washing effect.

Specifically, water-saving tumbling washing includes forward and backward movement processes: when the laundry moves from the bottom of the inner tub to the center of the pulsator, the laundry moves in the form of a revolution around the central axis and along the stirring blades during the revolution. A spiral upward movement in which the two modes of upward movement are combined; the washing moves upward along the stirring blades to the impeller neck in the center of the impeller according to this movement mode; when the washing moves to the top of the impeller neck At this time, the laundry movement mode is that the laundry moves upwards along the inertia, and after being thrown up for a short time, under the action of the centrifugal force and the bottom laundry, it will turn outwards and revolve until it reaches the bottom of the inner bucket away from the center of the pulsator, and then the laundry will be placed in the inner bucket. Under the joint action of the centripetal force generated by the rotation and the downward pulling force of the laundry in contact with the pulsator, it moves to the bottom of the inner tub, and the movement mode of this process is a reverse spiral downward movement. Its motion track is shown in Figure 2, two kinds of front and rear half motions periodically alternately act on the laundry, while the laundry itself performs a flipping motion. During the whole movement, every part of the laundry is subjected to force and movement, the force is not large but the frequency is relatively high and relatively uniform. During the washing process, such a periodical action will result in less wear and better removal of dirt. The above-mentioned movement is the movement mode presented when the laundry load and water consumption are at their optimum. The applicant has already disclosed the above-mentioned tumbling washing method in the application number 200910131769.6.

As shown in Figures 3 to 6, the pulsator according to the present invention includes a pulsator chassis and a plurality of stirring blades arranged on the pulsator chassis, and the stirring blades at least include a bottom base connected to the pulsator chassis. and the ribs on the upper layer, the bottom base and the ribs respectively include the rising surface of the clothes on the side opposite to the edge of the pulsator chassis and the left and right side walls that are smoothly and excessively connected with the rising surface of the clothes, and the ribs also include The upper surface is smoothly and excessively connected with the rising surface of the clothes and the left and right side walls.

As shown in Figure 3, the pulsator 1 includes a pulsator chassis 2 and three stirring blades 3 arranged on the pulsator chassis 2, the stirring blade 3 is a two-layer stepped structure, and the steps are smooth and transitional. The height increases in the radial direction from the edge of the pulsator chassis 2 to the central ladder level in the radial direction, and the steps are smooth arc surfaces. Neck 4, the stirring blade 3 includes the bottom base 5 and the ribs 6 on the upper layer, the bottom base 5 and the ribs 6 respectively include the rising surface 51, 61 of the clothes on the side opposite to the edge of the pulsator chassis 2 and the clothes The left and right side walls 52, 62 that are smoothly and excessively connected by the rising surfaces 51, 61, and the rib 6 also includes an upper surface 63 that is smoothly and excessively connected with the rising surface 61 of the clothes and the left and right side walls 62, and the clothes of the raised ribs rise The surface 61 and the clothing rising surface 51 of the bottom base are smooth and transitional, the slope of the clothing rising surface 51 of the bottom base is 0°-45°, the slope of the clothing rising surface 61 of the convex rib is 30°-60°, and the slope ratio of the clothing rising surface 61 of the convex rib is The slope of the rising surface 51 of the bottom base clothing is at least 5°, and the impeller chassis 2 between every two stirring blades 3 is provided with a water hole 7 .

As shown in Figure 4, the contour line 8 connecting the bottom base of the present invention and the pulsator chassis 2 is composed of three parts contour curves 81, 82, 83, the width of the contour curve 81 at the edge of the pulsator chassis 2 is the largest, and the pulsator chassis 2 The width of the contour curve 83 at the center is the smallest, and the outermost contour curve 81 is a circular arc curve 9 that converges in the direction of the center of the pulsator chassis 2 in a "eight" shape. The middle contour curve 82 is in the shape of "()". The contour curve 83 is a curve that continues to converge towards the center of the pulsator chassis 2.

As shown in Figure 5, the bottom base 5 rises smoothly along the clothing rising surface 51, and the clothing rising surface 51 is inclined at an angle α of 90° to 100° with the pulsator chassis 2 at the periphery of the pulsator chassis, and the outermost The left and right side walls 521, 523 corresponding to the contour curve 81 and the innermost contour curve 83 are inclined angles β and γ to the pulsator chassis 2, and the inclination angles β and γ are 90° to 100°. The inclination angle θ of the wheel chassis 2 is 110°～120°; the inclination angle of the left and right side walls of the raised rib and the pulsator chassis is 30°～ 40°

As shown in Figure 6, the pulsator chassis 2 rises from the edge to the center, protrudes at the center to form a pulsator neck 4 with a thick upper and thin circular platform structure, and the inclination angle η of the pulsator chassis 2 edge is 0° ~15°, the above structure makes the water storage between the two stirring blades enough, the stirring water volume of the stirring blades will be large enough, the water potential formed is also relatively large, and the converted kinetic energy is enough to provide the turning motion of the laundry; the pulsator neck 4 The angle ε between the circumferential surface of the round platform and the vertical direction is 30°±5°, the frictional force, the impact force of the water flow and the force of the stirring blades on the laundry during the crawling process are balanced, and the laundry is not easy to be entangled together, and A full range of flipping motions is possible. The connection 10 between the pulsator neck 4 and the pulsator chassis 2 is arc-shaped, and the radius of the arc and the outermost contour curve 81 are arc curves 9 that converge toward the center of the pulsator chassis in a "eight" shape. same arc.

The above-mentioned pulsator chassis and the inner tub matching the pulsator chassis have a radius ratio of 0.5 to 0.8, preferably 0.65 to 0.75, so that the laundry on the washing pulsator and the interaction force between the washing pulsator and the inner tub Most suitable.

As shown in Figure 1, for combined washing with two washing modes, the specific steps of the washing control method are as follows:

a. Start the washing machine;

b. Select the washing program;

c. Whether the selected program can save water and turn it over for washing, if so, go to the next step; if not, the computer board CPU calls out the default water level frequency value of conventional washing, the motor turn-off ratio and other parameters, and then go to step e;

d. The CPU of the computer board calls out the parameters such as the water level frequency value of the water-saving flip washing, the motor rotation and stop ratio;

e. washing;

f. rinse;

g. Dehydration;

h. End.

Some programs of the washing machine of the present invention can only run one washing mode, some programs can run both washing modes, and some programs can contain more than two washing modes. If only one washing mode can be operated, pressing the auxiliary button is invalid, and the washing machine will automatically select the washing mode to run. The programs that can be run in both washing modes, when the auxiliary button is not pressed, the washing method and program are executed according to the conventional washing mode, and when an auxiliary button is pressed, it is carried out according to the washing method selected by the user.

The above-mentioned washing machine with the pulsator structure capable of realizing reversible washing can realize the conventional pulsator washing method and the water-saving reversing washing method, and an auxiliary button is provided near the program button. When the user does not press the auxiliary button but only presses the program button, the CPU of the washing machine will perform the washing according to the default washing method. For example, if the user selects the "standard program", the washing machine defaults to the water-saving flip washing mode. As long as the user presses the start button, the CPU will automatically adjust the water flow, water level frequency, and motor speed of the water-saving flip washing mode. That is: the parameters of the water flow are that the motor rotation time is between 0.5-1.1 seconds, the stop time is between 0.1-0.2 seconds, the water level frequency is generally between 23.10Hz-22.00Hz, and the washing frequency of the motor is between 80-100Hz. If the auxiliary button is pressed, the water-saving flip washing mode is canceled, and the washing machine controls the motor and other loads to wash according to the water level frequency, water flow, rotation speed, washing time and other parameters of the conventional washing method selected by the user. That is: the parameter of the water flow is that the motor rotation time is between 0.5-1.7 seconds, and the stop time is between 0.4-0.9 seconds. The water level frequency is generally between 23.10Hz-20.80Hz, and the washing frequency of the motor is between 40-70Hz.

The washing machine of the present invention still has program keys and corresponding programs on the control panel, and there are one or two auxiliary keys near the program keys. The button can be a certain washing mode or a certain program method. Through the corresponding control keys and control methods, and the center raised pulsator structure, two or more washing modes or program combination modes can be realized on one washing machine. When washing clothes, the user can choose whether to use conventional washing or other washing methods according to the fabric characteristics of the clothes. Through two or more combined washing methods, more choices are given to users. According to the characteristics of the clothes to be washed, the washing methods can be reasonably selected, so as to save electricity and water, protect the clothes, and wash cleanly. .

Claims (5)

1. A method for controlling the combined washing mode of a washing machine, selecting a washing program according to the fabric of the washing, and/or the weight of the washing, and/or the degree of dirtiness of the washing, characterized in that: each washing program corresponds to at least A user-selectable washing mode, which is determined by one or more combinations of three factors: the water level of the washing tub, the structure of the washing tub and/or pulsator, and the operation of the motor. The washing mode includes at least the normal washing mode or Water-saving flip washing mode, in the washing program corresponding to two or more washing modes, the user can select the default washing mode and other washing modes under the washing program according to the characteristics of the laundry except fabric, weight and dirtiness Select the appropriate washing mode; the water-saving flip washing mode is when the water level is low, with the high-top pulsator protruding upward in the center, the washing is on the pulsator at the bottom of the washing tub along the pulsator blades from the edge of the washing tub The wall climbs up to the center, and climbs to the highest point in the center of the pulsator. After a short period of throwing up, it performs a revolving motion until it reaches the position where the side wall of the washing tub is far away from the center of the pulsator, and then falls to the bottom of the cyclic motion. 2. The method for controlling combined washing methods of washing machines according to claim 1, wherein the washing programs corresponding to multiple washing modes include a default washing mode set by the system or the user, and the default washing mode is a washing program selected by the washing machine The washing mode that runs automatically afterward, in addition at least includes a water-saving flip washing mode, and the washing program corresponds to an auxiliary button. After selecting a washing program, the user can press the auxiliary button to select each washing mode. 3. The method for controlling combined washing modes of a washing machine according to claim 1, wherein the washing program includes a program including only one washing mode, and the washing mode is a default washing mode. 4. The control method of the combined washing mode of the washing machine according to claim 2, characterized in that: the specific steps of the control method are: a. Start the washing machine; b. Select the washing program; c. Whether the selected program can save water and turn it over for washing, if so, go to the next step; if not, the computer board CPU calls out the default water level frequency value of conventional washing, the motor turn-off ratio and other parameters, and then go to step e; d. The CPU of the computer board calls out the parameters such as the water level frequency value of the water-saving flip washing, the motor rotation and stop ratio; e. washing; f. rinse; g. Dehydration; h. End. 5. The control method of combined washing mode of washing machine according to claim 4, characterized in that: the parameters of the water flow in the water-saving flip washing mode are that the motor rotation time is between 0.5-1.1 seconds, and the stop time is between 0.1-0.3 seconds The frequency of the water level is between 23.10KHz-22.00KHz, and the washing frequency of the motor is between 80-100Hz; the parameters of the water flow in the normal washing mode are that the motor rotation time is between 0.5-1.7 seconds, and the stop time is 0.4-0.9 seconds Between, the water level frequency is between 23.10KHz-20.80KHz, and the washing frequency of the motor is between 40-70Hz.

Images