CN1809659B

CN1809659B - Washing machine and the control method of the same

Info

Publication number: CN1809659B
Application number: CN2004800175689A
Authority: CN
Inventors: 朴硕奎; 高硕晧; 丁保善; 金永洙; 梁荣万; 崔圭哲
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2003-05-28
Filing date: 2004-05-28
Publication date: 2010-12-08
Anticipated expiration: 2024-05-28
Also published as: KR100653768B1; CN101619534A; KR20040102512A; CN1809659A

Abstract

Disclosed are a washing machine and a control method thereof, including the steps of (a) calculating the quantity of a detergent in a washing operation, (b) setting a washing pattern based on the calculated quantity of the detergent, and (c) performing a rinsing operation according to the set washing pattern, thereby improving rinsing capacity of the washing machine.

Description

Washing machine and control method thereof

Technical field

The present invention relates to a washing machine and control method thereof, particularly a washing machine wherein calculates detergent amount in laundry operations, and carries out cleaning operation according to the laundry pattern that is provided with based on the detergent amount that is calculated, and the control method of this washing machine.

Background technology

Usually, washing machine is that a kind of electricity consumption provides mechanical action to remove the device of dirt from clothes.When clothes was put into the water that has wherein dissolved washing agent, the chemical reaction by washing agent was with the soil release on the clothes., owing to only by the chemical reaction of washing agent, take long to and remove dirt from clothes, and apply mechanical action as friction or vibration by the generation of forced rotary water current or to clothes, be easy to remove dirt from clothes.

Washing machine comprises bucket in the outer bucket,, be used to put clothes, be placed in the outer bucket and can be rotated, a laundry turbine, in it is installed in the bucket and can be rotated to produce laundry current and a motor and clutch, bucket or laundry turbine are installed in the bottom of outer bucket with it in being used to rotate.

Use hardness of water according to clothes amount, detergent amount and laundry, above-mentioned washing machine has different laundries or cleansing power.In traditional control method for washing machine, the clothes amount of bucket is put in detection, and according to the clothes amount that is detected, the laundry pattern is set, comprise laundry time, wash number, scavenging period, dewatering time etc., thereby washing machine is operated according to set laundry pattern.

, traditional control method for washing machine is only considered the clothes amount, and ignores the hardness of water that offers washing machine, therefore laundry or the cleansing power that improves washing machine has been produced restriction.

Summary of the invention

Therefore, the present invention proposes according to the problems referred to above, and a purpose of the present invention provides a kind of washing machine and control method thereof, and therefore the detergent amount that has been calculated when having considered laundry operations when wherein carrying out cleaning operation has improved cleansing power.

According to an aspect of the present invention, above-mentioned and other purposes realize that by a kind of control method for washing machine is provided it comprises step: (a) calculate detergent amount when laundry operations; (b) according to the detergent amount that is calculated the laundry pattern is set; And (c) according to set laundry pattern execution cleaning operation.

According to a further aspect in the invention, provide a kind of control method for washing machine, it comprises step: (I) according to the clothes amount laundry pattern is set; (II) carry out laundry operations according to the laundry pattern that is provided with in the step (I), calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And (III) carry out cleaning operation according to the laundry pattern reset, step (II) comprises substep: (i) according to the water of the laundry pattern supply that is provided with in the step (I) and in water dissolving detergent; (ii) at substep (i) afterwards, the hardness of water that institute calculates and stores during according to before washer operation is selected a table from a plurality of tables that comprise detergent amount; Measure the electrical conductivity of water and the temperature that wherein are dissolved with washing agent; And be input in the selected table by the electrical conductivity of water and the temperature that will wherein be dissolved with washing agent, calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And the laundry pattern of (iii) resetting in (ii) according to substep carries out laundry operations, recomputates detergent amount, and resets the laundry pattern according to the detergent amount that recomputates.

Preferably, laundry pattern one of comprises in washing intensity, the water level that is provided, laundry time, wash number, scavenging period and the dewatering time at least.

A kind of control method for washing machine is provided, comprises step: (I) the laundry pattern is set according to the clothes amount; (II) carry out laundry operations according to the laundry pattern that is provided with in the step (I), calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And (III) carry out cleaning operation according to the laundry pattern reset, wherein, step (II) comprises substep: (i) according to before washer operation the time institute hardness of water calculating and store, from a plurality of tables that comprise detergent amount, select a table; (ii) measure electrical conductivity of water and the temperature that wherein is dissolved with washing agent; And (iii) be input in the selected table by the electrical conductivity of water and the temperature that will wherein be dissolved with washing agent, calculate detergent amount.

In addition, in step (II), measuring the electrical conductivity of water wherein be dissolved with washing agent and temperature when calculating detergent amount, institute's measured value of detergent amount is being shown to the outside.

Preferably, in step (III), during cleaning operation, measure electrical conductivity of water and temperature, and also store to be used for next washer operation according to measured electrical conductivity of water and temperature computation hardness of water.

A kind of control method for washing machine is provided, comprises step: (I) the laundry pattern is set according to the clothes amount; (II) carry out laundry operations according to the laundry pattern that is provided with in the step (I), calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And (III) according to the laundry pattern execution cleaning operation of resetting, wherein, step (II) comprises substep: (i) supply a part of water and dissolving detergent in confession part water according to the laundry pattern that is provided with in the step (I); (ii) at substep (i) afterwards, the hardness of water that institute calculates and stores during according to before washer operation is selected a table from a plurality of tables that comprise detergent amount; Measure the electrical conductivity of water and the temperature that wherein are dissolved with washing agent; And be input in the selected table by the electrical conductivity of water and the temperature that will wherein be dissolved with washing agent, calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And the laundry pattern supply remainder water of (iii) resetting in (ii) according to substep and carry out laundry operations, recomputate detergent amount, and reset the laundry pattern according to the detergent amount that recomputates.

In addition, preferably, substep (i) is extremely (iii) repeated several times, so that provide remainder water through a plurality of stages.

Preferably, in step (I), the laundry pattern is set according to the clothes amount after, laundry, cleaning and dewatering time are presented on the display.

In addition, in step (II), reset the laundry pattern after, will be presented on the display with the remaining time that the laundry pattern of resetting matches.

According to a further aspect in the invention, provide a kind of control method for washing machine, wherein when a sensor cluster detects the state of water or feature, by indicator institute's testing result is indicated to the user, to notify user institute testing result.

Preferably, the state or the feature of sensor cluster repeated detection water, and in the operation of above-mentioned repeated detection, only in the initial detecting operation of sensor cluster, by indicator institute's testing result is indicated to the outside.

Preferably, comprise at indicator under the situation of a LED, only when sensor cluster is carried out the initial detecting operation, close this LED, and when sensor cluster is not carried out the initial detecting operation, open this LED.

In addition, comprise at indicator under the situation of a plurality of LED, only when sensor cluster is carried out the initial detecting operation, close all LED, and when sensor cluster is not carried out the initial detecting operation, open at least one LED.

In addition, preferably, comprise that at indicator one can show under the situation of two LED of multiple color, when sensor cluster is carried out the initial detecting operation, close this pair LED, and when sensor cluster is not carried out the initial detecting operation, open a kind of color with the represented color of this pair of orderly close-down LED.

According to a further aspect in the invention, provide a control method for washing machine, it comprises step: the state or the feature that (I) detect water by a sensor cluster; (II) testing result and the predetermined value that step (I) is obtained made comparisons; And the result who is relatively obtained by step (II) by indicator for displaying.

Preferably, comprise that at indicator whether suitable according to the detected state and the feature of water, this pair LED opens different colors under the situation of two LED of the multiple color of an expression.

According to a further aspect in the invention, provide a washing machine, comprising: a sensor cluster is used for detecting the state or the feature of the water that washing machine comprises; One indicator is installed in it in washing machine, is used for the operation of sensor cluster is indicated to the outside; And a microcomputer, being used for when sensor cluster detects the state of water or feature, the control indicator is to indicate the detecting operation of sensor cluster to the outside.

Preferably, indicator can comprise a LED.

In addition, preferably, indicator can comprise a plurality of LED.

In addition, preferably, indicator can comprise two LED that send out color of light multiple.

According to a further aspect in the invention, provide a kind of washing machine, comprising: a sensor cluster is used for detecting the state or the feature of the water that washing machine comprises; One indicator is installed in it in washing machine, is used for the state of water that relevant sensor cluster is detected or the data of feature and indicates to the outside; And a microcomputer, be used for testing result control indicator according to sensor cluster.

Control method of the present invention is calculated detergent amount when laundry operations, according to the detergent amount that is calculated the laundry pattern is set, and carries out cleaning operation according to set laundry pattern, thereby has improved the cleansing power of washing machine.

Control method of the present invention is provided with the laundry pattern according to the clothes amount, according to set laundry pattern supply water, with detergent dissolution in water, calculate detergent amount, reset the laundry pattern according to detergent amount, and, accurately measure thereby calculate the washing agent that is dissolved in the water, and use best laundry pattern to improve the laundry ability of washing machine according to the laundry pattern execution laundry operations of resetting.

Control method of the present invention is repeatedly calculated detergent amount, and carries out cleaning operation according to the detergent amount that is calculated, thereby the optimal clean ability is arranged and make water and minimum energy consumption.

Control method of the present invention is measured electrical conductivity of water and temperature during cleaning operation, according to measured electrical conductivity of water and temperature computation hardness of water, and the hardness that consideration is calculated in the next operation of washing machine, thereby obtain best laundry and cleansing power.

Control method of the present invention shows laundry, cleaning and dewatering time when the laundry pattern is set, and shows remaining time when resetting the laundry pattern, thereby allows user's confirm easily to do washing variation on the deadline.

Control method of the present invention shows the detecting operation of sensor cluster by display when sensor cluster detects the state of water or feature, thereby the operation of the easy identification sensor assembly of user, even control member stops or service speed changes during the detecting operation of sensor cluster, can not determine that control member is in the fault.

Washing machine of the present invention comprises a sensor cluster, be used for detecting the state of the water that washing machine comprises or feature, an indicator, it is installed in the washing machine, be used for the operation of sensor cluster is indicated to the outside, an and microcomputer, be used for when sensor cluster detects the state of water or feature, the control indicator to be indicating the detecting operation of sensor cluster to the outside, thereby allows the user confirm whether sensor cluster finishes detecting operation.

In addition, washing machine of the present invention comprises a sensor cluster, be used for detecting the state of the water that washing machine comprises or feature, an indicator, it is installed in the washing machine, being used for the state of water that relevant sensor cluster is detected or the data of feature indicates to outside and a microcomputer, be used for testing result control indicator, thereby allow the user confirm whether sensor cluster finishes detecting operation according to sensor cluster.

Description of drawings

From be described in detail, with more clear understanding above-mentioned and other purpose of the present invention, characteristic and advantage, wherein below in conjunction with accompanying drawing:

Fig. 1 is the longitudinal section that is used to carry out according to the washing machine of control method of the present invention;

Fig. 2 is the block diagram that is used to carry out according to the washing machine of control method of the present invention;

Fig. 3 is the part perspective view of the sensor cluster in Fig. 1 washing machine;

Fig. 4 is the amplification sectional view of the sensor cluster in Fig. 1 washing machine;

Fig. 5 is the schematic example figure of the control panel in Fig. 1 washing machine;

Fig. 6 is another schematic example figure of the control panel in Fig. 1 washing machine;

Fig. 7 a and 7b are the flow chart of expression according to the control method for washing machine of first embodiment of the invention;

Fig. 8 is the flow chart of expression according to the control method for washing machine of second embodiment of the invention;

Fig. 9 is the flow chart of expression according to the control method for washing machine of third embodiment of the invention;

Figure 10 is the flow chart of expression according to the control method for washing machine of fourth embodiment of the invention;

Figure 11 is the flow chart of expression according to the control method for washing machine of fifth embodiment of the invention.

The specific embodiment

Describe the preferred embodiments of the present invention in detail now with reference to accompanying drawing.

Fig. 1 is the longitudinal section that is used to carry out according to the washing machine of control method of the present invention, and Fig. 2 is the block diagram that is used to carry out according to the washing machine of control method of the present invention.

Washing machine shown in Figure 1 comprises casing 1, the outward appearance of its definition washing machine, outer bucket 10, be used for wherein holding water, it is by 2 suspensions of the supporter in the casing 1, interior bucket 28, it is rotatable, and be installed in the outer bucket 10, and be equipped with the laundry turbine 26, the motor 30 that are installed on the bottom surface, be placed on outer bucket 10 below, be used for rotation laundry turbine 26 or interior bucket 28, actuating unit 40, as clutch, be used for the power of motor 30 is transferred to laundry turbine 26 or interior bucket 28 and microcomputer 50, be used to control the operation of washing machine.

The top cover 3 that constitutes washing machine top is placed on the upper end of casing 1.

The core of top cover 3 has opening 4, and by it clothes is put into the washing machine neutralization and therefrom take out, and a thrust unit 5 that is used to open and close opening 4, it turns and is connected to a side of top cover 3.

At the back of top cover 3 feed water valve 6 is installed, is used to end a water and the detergent box 7 supplied with by external hose, be used for storing detergent, so as the water by feed water valve 6 to mix with washing agent and the gained mixture offered in bucket 28 or outward barrels 20.

Microcomputer 50 is installed in the front portion of top cover 3, and control panel 8 is placed the front portion of top cover 3, handle washing machine by its to allow the user.

To be installed on the base of support machine casing 1 from the support that stretch out the bottom surface of casing 1.

Draining valve 11 is installed in the bottom of bucket 10 outside, is used to end water and flows out, and scupper hose 12 is connected to draining valve 11, is used for the water by draining valve is directed to the outside of washing machine.

To be installed in a side of outer bucket 10 with outer bucket 10 air chambers that communicate 13.

When water is supplied with air chamber 13, be connected to the top of air chamber 13 with being used for compressed-air actuated tracheae 14, and the pressure sensor 15 that will be used for detecting the pressure of tracheae 14 is connected to tracheae 14.

Pressure sensor 15 outputs to microcomputer 50 with a signal, and microcomputer 50 is according to the signal detection water level of pressure sensor 15 outputs.

Sensor cluster 16 is installed in the bottom of air chamber 13, is used to detect the temperature and the electrical conductivity of water.

Sensor cluster 16 detects wherein the not electrical conductivity of water of dissolving detergent and temperature, or the wherein electrical conductivity of water of dissolving detergent and temperature, and exports corresponding information and give microcomputer 50.Afterwards, microcomputer 50 is provided with the laundry pattern according to the signal of sensor cluster 16 outputs, and washing intensity, the water level that is provided, laundry time, wash number, scavenging period, dewatering time etc. are provided.

Here, the rotating speed (rpm) by changing laundry turbine 26 or interior bucket 28 or by rotating laundry turbine 26 or interior bucket 28 is adjusted washing intensity.

Motor 30 comprise the bottom surface that is fixed on outer bucket 10 stator, come rotor rotated and be used for the rotating speed (rpm) of detection rotor or the cavity sensor 32 of corner by magnetic action with stator.

Cavity sensor 32 outputs to microcomputer 50 with a signal, and microcomputer 50 is according to the signal detection clothes amount of cavity sensor 32 outputs.

The a plurality of tables of microcomputer 50 storages are used for determining and the corresponding detergent amount of hardness of water.Therefore, microcomputer 50 is selected a table according to hardness of water from the table of being stored, and uses selected table to determine the detergent amount of the washing agent that dissolves from electrical conductivity of water and temperature water afterwards.

Fig. 3 is the part perspective view of sensor cluster 16 shown in Figure 1, and Fig. 4 is the cross section enlarged drawing of sensor cluster 16 shown in Figure 1.

Shown in Fig. 3 and 4, sensor cluster 16 comprises conductivity sensor 17, it has a pair of separated conductivity electrode, temperature sensor 18, it has a temperature electrode that is used for detected temperatures, insert the frame 19 in the air chamber 13, be equipped with an opening bottom surface, and a pair of through

hole

19A and 19B are arranged, keeping supplying lip-deep conductivity electrode therefrom passes through, and the jut 19C that centers on temperature electrode, lid 20, it is through the bottom of conductivity electrode and temperature electrode, and depend on the bottom surface of frame 19, and packing material 21, it fills the space that forms between frame 19 and the lid 20.

One plug 24 that is equipped with many

electric wires

22 and 23 received in the lid 20 and from lid 20 extract, communicate by letter so that sensor cluster 16 carries out signal each other with microcomputer.

Plug 24 comprises a receptacle holders 25, a plurality of

sockets

26 and 27 that it can be received lid 20 and separate with it and be equipped with, and the one end is connected with 23 with electric wire 22, and the other end is received conductivity electrode with temperature electrode and separate with it.

Fig. 5 is the schematic example figure of the control panel in Fig. 1 washing machine.

As shown in Figure 5, control panel 8 comprises at least one action button 60, be used to allow the user to pass through it and handle washing machine, laundry mode display 62, as LCD, LED or 88 sections, be used for the laundry pattern of washing machine is shown to outside and indicator 64, be used for the data of the state of the water that detected state or relevant sensor cluster detected of sensor cluster are indicated to the outside.

Indicator 64 can be the two LED that are used to show multiple color, or is used to show a kind of single LED of color.

Fig. 6 is another schematic example figure of the control panel in Fig. 1 washing machine.

As shown in Figure 6, control panel 8 comprises indicator 64, and it contains a plurality of LED, is used for the data of the state of the water that detected state or relevant sensor cluster detected of sensor cluster are indicated to the outside.

Each LED can be the two LED that are used to show multiple color, or is used to show a kind of single LED of color.

Fig. 7 a and 7b are the flow chart of expression according to the control method for washing machine of first embodiment of the invention.

Shown in Fig. 7 a, in the control method for washing machine according to first embodiment of the invention, in the time will connecting power supply and input to washing machine by the instruction that control panel 8 will be operated washing machine, microcomputer 50 determines whether washing machines are in initial operation (S1 and S2).

Be under the situation of initial operation at definite washing machine, microcomputer 50 loads standard hardness, and it inputs to microcomputer 50 in advance.On the other hand, be not under the situation of initial operation at definite washing machine, microcomputer 50 loads the hardness of water (S3 and S4) of storing in the last operation.

Afterwards, microcomputer 50 detects the clothes amount (S5) of putting into washing machine.

Here, microcomputer 50 rotation motors 30 are so that stir agitator (pulsator) at short notice or interior bucket 28 or rotate once, and according to the signal of cavity sensor 32 output, measure stirring agitator or interior bucket 28 or rotating mixer or interior bucket 28 once institute's time spent or residue corner (surplus rotatingangle), thereby can detect the clothes amount.The present invention also can use other detection methods except that above-mentioned detection method.

Microcomputer 50 is provided with laundry pattern (S6) according to the clothes amount that is detected.

Here, the laundry pattern comprises all key elements of relevant washer operation, as washing intensity, the water level of being supplied with, laundry time, wash number, scavenging period, dewatering time etc.Describe for convenient hereinafter, with the laundry mode confinement in washing intensity, the water level that is provided, laundry time, wash number, scavenging period and dewatering time.

After microcomputer 50 was provided with the laundry pattern, microcomputer 50 outputed to laundry mode display 62 with a control signal, so as by laundry mode display 62 with all key elements of set laundry pattern or only laundry, cleaning and dewatering time are shown to outside (S7).

Microcomputer 50 is opened feed water valve 6 so that supply with first water level (S8) of water to set laundry pattern.

When opening feed water valve 6, water is by detergent box 7, with detergent dissolution contained in the detergent box 7 in water, and bucket 28 or outer bucket 10 in the gained mixture offered.When the mixture of water and washing agent was supplied to first water level, microcomputer 50 cut out feed water valve 6.

At the first laundry time durations of set laundry pattern, microcomputer 50 operation motors 30.

In interior bucket 28, produce rotary water current, thereby carry out laundry operations (S9).

After this, after the past first laundry time, microcomputer 50 is opened feed water valve 6 so that supply with second water level (S10) of water to set laundry pattern.

When opening feed water valve 6, with in the new water supply barrel 28 or outer bucket 10, thereby interior barrel 28 or outer barrel 10 comprises the more water yield.When water supplied to second water level, microcomputer 50 cut out feed water valve 6.

After this, at the second laundry time durations of set laundry pattern, microcomputer 50 operation motors 30.

Here, microcomputer 50 routinely and reverse rotation motor 30 so that contained clothes in the bucket 28 in stirring, to improve the dissolubility (S11) of washing agent in the water.

After the past second laundry time, microcomputer 50 shut-down operation motors 30.

Then, microcomputer 50 is selected a table from a plurality of tables of the corresponding detergent amount of hardness of water having stored and loaded, one signal is outputed to conductivity sensor 17 and temperature sensor 18, so that conductivity sensor 17 and temperature sensor 18 are measured electrical conductivity of water and the temperature that comprises washing agent, and during measuring, open or close indicator 64 (S12).

Microcomputer 50 uses selected table to calculate detergent amount (S13) according to measured electrical conductivity of water that comprises washing agent and temperature.

Afterwards, microcomputer 50 is reset laundry pattern (S14) according to calculating detergent amount for next operation.

Here, all of the laundry pattern of microcomputer 50 reconfigurable initial setting up or several key element.

Microcomputer 50 outputs to laundry mode display 62 with control signal, so that be shown to outside (S15) by all key elements or only remaining laundry, cleaning and the dewatering time of the laundry pattern that will reset of laundry mode display 62.

At the 3rd laundry time durations of resetting laundry pattern, microcomputer 50 operation motors 30 (S16).

Promptly do washing turbine 26 or interior bucket 28 rotates under washing agent is dissolved in condition in the water fully, so that the dissolubility height of washing agent, thereby carry out laundry operations.

Being provided with in the laundry pattern of resetting needs to supply with under the situation of extra water, and microcomputer 50 is supplied with extra water to the water level higher than first and second water levels, and lasting rotation motor 30.

Here, microcomputer 50 can once provide extra water, or divides and progressively supply with extra water several times.Hereinafter, for ease of describing, the supply number of times of additional water is restricted to 2.

After the past the 3rd laundry time, microcomputer 50 is supplied with additional water to the three water levels, and continues rotation motor 30 (S17) in the 4th laundry time.

When opening feed water valve 6, with in the new water supply barrel 28 or outer bucket 10, thereby interior barrel 28 or outer barrel 10 comprises the more water yield.When water supplied to the 3rd water level, microcomputer 50 cut out feed water valve 6.

The 4th laundry time in the past after, microcomputer 50 is supplied with additional water to the four water levels, it is than the 3rd water level height, and continues rotation motor 30 (S18) in the 5th laundry time.

When opening feed water valve 6, with in the new water supply barrel 28 or outer bucket 10, thereby interior barrel 28 or outer barrel 10 comprises the more water yield.When water supplied to the 4th water level, microcomputer 50 cut out feed water valve 6.

Here, in above-mentioned additional water is supplied with, microcomputer 50 can be before the laundry operations in finishing the 3rd water level, measure the electrical conductivity of water and the temperature of wherein having dissolved washing agent once more, calculate detergent amount once more according to measured electrical conductivity of water and temperature, and reset the laundry pattern according to the detergent amount that is calculated, as the 4th water level and/or the 5th laundry time.

Afterwards, before above-mentioned laundry operations was finished, microcomputer 50 calculated detergent amount once more, thought cleaning and dehydrating operations or only reset the laundry pattern for cleaning operation.

Promptly before the past the 5th laundry time, microcomputer 50 is selected a table from a plurality of tables of the storage detergent amount corresponding with the loading hardness of water, one signal is outputed to conductivity sensor 17 and temperature sensor 18, so that conductivity sensor 17 and temperature sensor 18 are measured the electrical conductivity of water and the temperature of wherein having dissolved washing agent, and during measuring, open or close indicator 64 (S19).

Microcomputer 50 uses selected table to calculate detergent amount (S20) once more according to measured electrical conductivity of water that comprises washing agent and temperature.

Afterwards, microcomputer 50 is reset laundry pattern (S21) according to calculating detergent amount.

Microcomputer 50 outputs to laundry mode display 62 with a control signal, so that be shown to outside (S22) by all key elements or only remaining laundry, cleaning and the dewatering time of the laundry pattern that will reset of laundry mode display 62.

After resetting laundry pattern and the 5th laundry time past, microcomputer 50 is opened draining valve 11 so that the addle during the laundry operations is discharged to outside the washing machine, and after discharge addle is finished, closes draining valve 11 (S23).

Afterwards, microcomputer 50 is operated motor 30 and actuating unit 40 under dehydration mode, thereby with the dehydration of the clothes in the washing machine (S24).

Shown in Fig. 7 b, microcomputer 50 repeats water supply, cleaning, draining and dehydration by the wash number of the laundry pattern of resetting.

Here, for ease of describing, wash number is re-set as 3 times.

Microcomputer 50 is opened feed water valve 6 so that supply with five water level (S25) of water to the laundry pattern of resetting.

When opening feed water valve 6, water is by detergent box 7, with detergent dissolution contained in the detergent box 7 in water, and bucket 28 or outer bucket 10 in the gained mixture offered.When the mixture of water and washing agent was supplied to the 5th water level, microcomputer 50 cut out feed water valve 6.

During first scavenging period of the laundry pattern of resetting, microcomputer 50 operation motors 30.

In interior bucket 28, produce rotary water current, thereby carry out cleaning operation (S26).

After this, after the past, microcomputer 50 is opened draining valve 11 at first scavenging period, so that the addle during the cleaning operation is discharged to outside the washing machine, and after discharge addle is finished, closes draining valve 11 (S27).

Afterwards, microcomputer 50 is operated motor 30 and actuating unit 40 under dehydration mode, thereby with the dehydration of the clothes in the washing machine (S28).

After this, microcomputer 50 is opened feed water valve 6 so that supply with six water level (S29) of water to the laundry pattern of resetting.

When opening feed water valve 6, water is by detergent box 7, with detergent dissolution contained in the detergent box 7 in water, and bucket 28 or outer bucket 10 in the gained mixture supplied with.When the mixture of water and washing agent was supplied to the 6th water level, microcomputer 50 cut out feed water valve 6.

During second scavenging period of the laundry pattern of resetting, microcomputer 50 operation motors 30.

In interior bucket 28, produce rotary water current, thereby carry out cleaning operation (S30).

After this, after the past, microcomputer 50 is opened draining valve 11 at second scavenging period, so that the addle during the cleaning operation is discharged to outside the washing machine, and after discharge addle is finished, closes draining valve 11 (S31).

Afterwards, microcomputer 50 is operated motor 30 and actuating unit 40 under dehydration mode, thereby with the dehydration of the clothes in the washing machine (S32).

After this, microcomputer 50 is opened feed water valve 6 so that supply with seven water level (S33) of water to the laundry pattern of resetting.

When opening feed water valve 6, water is by detergent box 7, with detergent dissolution contained in the detergent box 7 in water, and bucket 28 or outer bucket 10 in the gained mixture supplied with.When the mixture of water and washing agent was supplied to the 7th water level, microcomputer 50 cut out feed water valve 6.

During the 3rd scavenging period of the laundry pattern of resetting, microcomputer 50 operation motors 30.

Microcomputer 50 stirs (for example 1 minute) at a fixed time of the 3rd scavenging period (for example 3 minutes) ground capable of circulation (rotatably) so that improve the precision of calculating hardness of water, this will after description.

After (for example 1 minute) past this fixed time of the 3rd scavenging period (for example 3 minutes), microcomputer 50 outputs to conductivity sensor 17 and temperature sensor 18 with a signal, so that conductivity sensor 17 and temperature sensor 18 are measured electrical conductivity of water and temperature (S34 and S35).

Microcomputer 50 is used for determining that according to measured electrical conductivity of water and temperature the appointment formula of hardness of water or table calculate hardness of water (S36).

Microcomputer 50 is stored in (S37) among the EEPROM with the hardness of water of being calculated.

Afterwards, microcomputer 50 is ongoing operation motor 30 in the remaining time (for example 2 minutes) of the 3rd scavenging period (for example 3 minutes), and produces rotary water current in interior bucket 28, thereby carries out cleaning operation (S38).

After past, microcomputer 50 is opened draining valve 11 so that the addle during the cleaning operation is discharged to outside the washing machine at the 3rd scavenging period, and after discharge addle is finished, closes draining valve 11 (S39).

Afterwards, microcomputer 50 is operated motor 30 and actuating unit 40 under dehydration mode, thereby with the dehydration of the clothes in the washing machine (S40).

Fig. 8 is the flow chart of expression according to the control method for washing machine of second embodiment of the invention.

As a reference, the part-structure of second embodiment and operation substantially with first embodiment in identical, therefore omitted detailed description be described in detail because there is no need.

In the control method for washing machine according to second embodiment shown in Figure 8, when comprising, the state of sensor cluster 16 repeated detection water or feature such as electrical conductivity of water and temperature and display a testing result that only obtains is shown to the outside by indicator 64 when single led in first detecting operation.

Carry out under the situation of first detecting operation at sensor cluster 16, during first detecting operation, close this LED (S51, S52 and S53).

In addition, carry out under the situation of the second or the 3rd detecting operation, open this LED (S52 and S54) at sensor cluster 16.

On the other hand, do not carry out at sensor cluster 16 under the situation of any detecting operation, open this LED (S51 and S54).

I.e. driver part when sensor cluster 16 detects the state of water or feature, as motor, stop or situation that service speed changes under, the user determines that sensor cluster 16 breaks down.As mentioned above, when only in first detecting operation, closing this LED, among the user determines that easily sensor cluster 16 is being operated.

Fig. 9 is the flow chart of expression according to the control method for washing machine of third embodiment of the invention.

As a reference, the part-structure of the 3rd embodiment and operation substantially with first embodiment in identical, therefore omitted detailed description be described in detail because there is no need.

In the control method for washing machine according to the 3rd embodiment shown in Figure 9, when indicator comprises a plurality of LED, carry out under the situation of first detecting operation at sensor cluster 16, in first detecting operation, close all LED (S61, S62 and S63).

In addition, carry out under the situation of the second or the 3rd detecting operation, have one at least among these a plurality of LED and open (S62 and S64) at sensor cluster 16.

On the other hand, do not carry out at sensor cluster 16 under the situation of any detecting operation, have one at least among these a plurality of LED and open (S61 and S64).

Figure 10 is the flow chart of expression according to the control method for washing machine of fourth embodiment of the invention.

As a reference, the part-structure of the 4th embodiment and operation substantially with first embodiment in identical, therefore omitted detailed description be described in detail because there is no need.

In the control method for washing machine according to the 4th embodiment shown in Figure 10, when display comprises one can represent two (dual) LED of multiple color the time, carry out under the situation of first detecting operation at sensor cluster 16, in first detecting operation, close this pair LED sequentially to close the represented color of this pair LED (S71, S72 and S73).

In addition, carry out under the situation of the second or the 3rd detecting operation, open this pair LED and show a kind of color at sensor cluster 16.(S72 and S74).

On the other hand, do not carry out at sensor cluster 16 under the situation of any detecting operation, open this pair LED and show a kind of color (S71 and S74).

As a reference, the part-structure of the 5th embodiment and operation substantially with first embodiment in identical, therefore omitted detailed description be described in detail because there is no need.

In the control method for washing machine according to the 5th embodiment shown in Figure 11, when display comprised two LED that can represent multiple color, the state of shown water or the testing result of feature and definite result were as shown in table 1 below.

Table 1

In the table 1, the temperature of water, hardness of water and detergent amount the result that obtains by sensor cluster 16 of detection, and the laundry time be to determine by the laundry pattern of resetting according to the state or the feature of water.

In addition, when two LED represented 3 kinds of colors, the state of shown water or the testing result of feature and definite result were as shown in table 2 below.

Table 2

In the table 2, in the mode identical with table 1, the temperature of water, hardness of water and detergent amount the result that obtains by sensor cluster 16 of detection, and the laundry time be to determine by the laundry pattern of resetting according to the state or the feature of water.

Shown in table 1 and 2, two LED go up the testing result of the state of shown water or feature and definite result according to being changed by the represented number of colours of two LED, and increase or reduce two represented number of colours of LED according to purposes and the necessity of two LED.

In the control method for washing machine according to the 5th embodiment shown in Figure 11, detect the state or the feature of water, i.e. electrical conductivity of water and temperature (S81).

After this, use the electrical conductivity of water and the temperature that are detected, calculate hardness of water, and calculate detergent amount (S82) according to hardness of water.

Afterwards, it is the temperature of the water of the testing result of the state of water or feature and hardness and its corresponding predetermined value of detergent amount make comparisons (S83).

To be presented at the temperature of water and hardness and detergent amount and the predetermined value gained result that makes comparisons respectively corresponding two LED and go up (S84).

In addition, determine whether and to reset laundry pattern (S85) according to top gained result.

To reset under the situation of laundry pattern determining, with the laundry time showing of the laundry pattern reset on remaining couple of LED (S86).

Commercial Application

As seen above-mentioned, the invention provides a control method for washing machine, the detergent amount that it calculates in the laundry operations is provided with the laundry pattern according to calculating detergent amount, and carries out cleaning operation according to set laundry pattern, thereby has improved the cleansing power of washing machine.

Control method of the present invention is provided with the laundry pattern according to the clothes amount, supply water according to set laundry pattern, with detergent dissolution in water, calculate detergent amount, reset the laundry pattern according to detergent amount, and according to the laundry pattern execution laundry operations of resetting, thereby calculate the accurate detergent amount that is dissolved in the water, and use best laundry pattern to improve the laundry ability of washing machine.

Control method of the present invention is repeatedly calculated detergent amount, and carries out cleaning operation according to the detergent amount that is calculated, thereby obtains the optimal clean ability and make water and energy consumption minimum.

Control method of the present invention is measured electrical conductivity of water and temperature during cleaning operation, according to measured electrical conductivity of water and temperature computation hardness of water, and the hardness that consideration is calculated in next operation of washing machine, thereby obtain best laundry and cleansing power.

Control method of the present invention is the detecting operation by indicator indication sensor assembly when sensor cluster detects the state of water or feature, thereby the operation of the easy identification sensor assembly of user, even control member stops or service speed changes during the detecting operation of sensor cluster, can not determine that control member is in the fault.

In addition, the invention provides a washing machine, comprise a sensor cluster, be used for detecting the state of the water that washing machine comprises or feature, an indicator, it is installed in the washing machine, is used for the operation of sensor cluster is indicated to an outside and microcomputer, be used for when the state of sensor cluster detection water or feature, the control indicator to be indicating the detecting operation of sensor cluster to the outside, thereby allows the user confirm whether sensor cluster finishes detecting operation.

In addition, the invention provides a washing machine, comprise a sensor cluster, be used for detecting the state of the water that washing machine comprises or feature, an indicator, it is installed in the washing machine, be used for the state of water that relevant sensor cluster is detected or the data of feature and indicate, be used for testing result control indicator, thereby allow the user confirm whether sensor cluster finishes detecting operation according to sensor cluster to outside and a microcomputer.

Although described the preferred embodiments of the present invention for purposes of illustration, those skilled in the art should be appreciated that and can carry out various modifications, interpolation and displacement, and not depart from as claimed in claim scope of the present invention and essence.

Claims

1. control method for washing machine comprises step:

(I) according to the clothes amount laundry pattern is set;

(II) carry out laundry operations according to the laundry pattern that is provided with in the step (I), calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And

(III) carry out cleaning operation according to the laundry pattern of resetting,

Wherein step (II) comprises substep:

(i) supply water and dissolving detergent in water according to the laundry pattern that is provided with in the step (I);

(ii) at substep (i) afterwards, the hardness of water that institute calculates and stores during according to before washer operation is selected a table from a plurality of tables that comprise detergent amount; Measure the electrical conductivity of water and the temperature that wherein are dissolved with washing agent; And be input in the selected table by the electrical conductivity of water and the temperature that will wherein be dissolved with washing agent, calculate detergent amount, and reset the laundry pattern according to the detergent amount that is calculated; And

(iii) the laundry pattern of resetting in (ii) according to substep is carried out laundry operations, recomputates detergent amount, and resets the laundry pattern according to the detergent amount that recomputates.

2. control method according to claim 1,

Wherein in step (II), measuring the electrical conductivity of water that wherein is dissolved with washing agent and temperature when calculating detergent amount, institute's measured value of detergent amount is shown to the outside.

3. control method for washing machine comprises step:

(I) according to the clothes amount laundry pattern is set;

(III) carry out cleaning operation according to the laundry pattern of resetting, wherein step (II) comprises substep:

(i) according to before the washer operation time institute hardness of water calculating and store, from a plurality of tables that comprise detergent amount, select a table;

(ii) measure electrical conductivity of water and the temperature that wherein is dissolved with washing agent; And

(iii) be input in the selected table, calculate detergent amount by the electrical conductivity of water and the temperature that will wherein be dissolved with washing agent.

4. control method according to claim 3,

Wherein in step (II), when measuring the electrical conductivity of water that wherein is dissolved with washing agent and temperature, institute's measured value of detergent amount is shown to the outside.

5. control method for washing machine comprises step:

(I) according to the clothes amount laundry pattern is set;

(i) supply a part of water and dissolving detergent in the part water of being supplied according to the laundry pattern that is provided with in the step (I);

(iii) the laundry pattern supply remainder water of resetting in (ii) according to substep and carry out laundry operations recomputates detergent amount, and resets the laundry pattern according to the detergent amount that recomputates.

6. control method according to claim 5,

7. control method according to claim 5,

Wherein substep (i) is extremely (iii) repeated for several times, so that several stages of process provide remainder water.

8. according to any one described control method in the claim 1,3,5,

Wherein laundry pattern one of comprises in washing intensity, the water level that is provided, laundry time, wash number, scavenging period and the dewatering time at least.

9. according to any one described control method in the claim 1,3,5,

Wherein in step (III), electrical conductivity of water of during cleaning operation, measuring and temperature, and according to measured electrical conductivity of water and temperature computation hardness of water and storage to be used for next operation of washing machine.

10. according to any one described control method in the claim 1,3,5,

After wherein in step (I), the laundry pattern being set, laundry, cleaning and dewatering time are presented on the display according to the clothes amount.

11. according to any one described control method in the claim 1,3,5,

After wherein in step (II), resetting the laundry pattern, will be presented on the display corresponding remaining time with the laundry pattern of resetting.