CN1567109A - Dish-washing machine and its control method - Google Patents

Dish-washing machine and its control method Download PDF

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Publication number
CN1567109A
CN1567109A CN 03130272 CN03130272A CN1567109A CN 1567109 A CN1567109 A CN 1567109A CN 03130272 CN03130272 CN 03130272 CN 03130272 A CN03130272 A CN 03130272A CN 1567109 A CN1567109 A CN 1567109A
Authority
CN
China
Prior art keywords
21a
washer motor
washing
dish
washing machine
Prior art date
Application number
CN 03130272
Other languages
Chinese (zh)
Inventor
辛东训
Original Assignee
乐金电子(天津)电器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 乐金电子(天津)电器有限公司 filed Critical 乐金电子(天津)电器有限公司
Priority to CN 03130272 priority Critical patent/CN1567109A/en
Publication of CN1567109A publication Critical patent/CN1567109A/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/0018Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0023Water filling
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/08Drain or recirculation pump parameters, e.g. pump rotational speed or current absorbed by the motor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/01Water supply, e.g. opening or closure of the water inlet valve

Abstract

This invention relates to a dishwashing machine and its controlling method. The machine comprises water supply valve, washing motor of the driving washing pump and drainage valve. And it also comprises the detection element for washing motor and a controlling element to control the water supply interval and washing process when the electrical characteristics of the washing motor arrives at set time. The controlling method comprises the following: 1, After the user input washing start order, the machine performs as first set time and drives the motor; 2, to detect the electrical characteristics of washing motor; 3, The electricity characteristics value detected sustains the set value during the second set time and stops water supply and performs the washing process.

Description

Dish-washing machine and control method thereof

Technical field

The present invention relates to a kind of dish-washing machine.Particularly relate to a kind of supply of washings that makes and reach optimized dish-washing machine and control method thereof.

Background technology

Dish-washing machine is the machine that washing just is bonded at the food dreg on the tableware after the meal generally speaking.As shown in Figure 1, dish-washing machine is that the tableware that needs wash is placed under the state of the shelf in the sink (omission graphical sysmbol), according to the control of control part 6, decide the washings of water level by water supply valve 3b supply institute after, drive well heater (omission illustrates) heated scrub water.And then drive washer motor 3a, and the startup washing pump behind the washings by washing pump (omitting diagram) extraction heating, is ejected into tableware by jet blower (omission graphical sysmbol), and separation and washing are bonded at the food dreg on the tableware.Then, the supply cold water injection is cleaned the washing agent that is bonded on the tableware to tableware.When clean finishing, the cold water of heating supply also is ejected into the warm water that is heated on the tableware, adds the wash dining set with a series of washing process that carries out drying behind the hot tableware with the afterheat of tableware.

As shown in Figure 2, dish-washing machine is to comprise: the key input part 1 of the washing process that the input user wishes; Control part 6 according to the total system action of the signal controlling dish-washing machine of key input part 1; Drive the load drive division 2 of the various loads 3 of washer motor 3a, water supply valve 3b, water discharging valve 3c etc. according to the control signal of control part 6; Detect the water level detecting portion 4 (4 ') of water level in the water storage tank 8; The display part 5 that shows the various states of dish-washing machine constitutes.

Water level detecting portion 4 (4 ') is to use according to the pressure switch 4 of hydraulic pressure sensed water level or according to the variation of hydraulic pressure and exports the flowmeter 4 ' of sending out vibration frequency.

When the dish-washing machine person of being to use of prior art considers after tableware amount, the tableware kind by the relevant washing process order of key input part 1 input, after control part 6 identifications, remove control load drive division 2.

Load drive division 2 is the control signal control water supply valve 3b according to control part 6.When opening water supply valve 3b, the washings of the end 7 that supplies water are fed in the water storage tank 8 by the flexible pipe that is connected with the water storage tank 8 of dish washer interior, and according to the variation of the amount that is fed to the washings in the water storage tank 8, the washings water level detects in water level detecting portion 4 (4 ').

When the washings of water storage tank 8 inside reach the ordinary water level of setting, control part 6 interrupts the control signal of water supply back according to control part 6, after driving the washings of well heater (omitting diagram) heating water storage tank 8 inside, driving washer motor 3a starts washing pump washings is fed to jet blower (omitting diagram).By jet blower washings are ejected into tableware and carry out washing process.Then, after execution rinsing or the dry run, when all washing process finish, discharge the washings of sink inside by water discharging valve 3c.

The setting output of washings is that parts (as passage, the internal capacity of nozzle etc.) and the user according to different model sets according to tableware amount, the big or small tableware condition of importing of tableware.

Occur the dish-washing machine of the output setting value model that the consumer can the manual adjustment washings recently on the market, normally selected the parts of setting in 3 ranks arbitrarily.

The control method of the dish-washing machine of prior art is described as follows.

As shown in Figure 3, at first, when the user imported the washing process order, beginning was to water storage tank 8 inner supplying washing water (S1~S2).

Then, detect the washings water level of water storage tank 8 inside, stop when reaching designated water level supplying water, drive washer motor 3a, and drive washing pump and make it carry out washing, rinsing and dry washing process (S3~S5).

There is following problem points in the dish-washing machine of prior art.

The first, possess the water level detecting means promptly in order to detect the washings water level, pressure switch or valve, the factor that causes product design and manufacturing cost to rise.

The second, the output of washings is set when frequently washing process occurring when hanging down, inflow air in the time of electric pump inflow washings, and the expulsion pressure that washings therefore occur descends and reduction scourability and generation air suction noise.

The 3rd, the output of washings is set when high, increases the water use amount, and increased heater starting time for the temperature that improves washings this moment, has therefore increased energy consumption.

Summary of the invention

Technical matters to be solved by this invention is when providing the manufacturing cost of saving dish-washing machine, can supply the dish-washing machine and the control method thereof of best output.

The technical solution adopted in the present invention is: dish-washing machine and control method thereof, its dish-washing machine are to have possessing: the water supply valve of supplying washing water; For the washings of water supply valve supply are driven the washer motor of washing pump to the sink internal spray by jet blower; Discharge in the dish-washing machine of discharge valve of washings of sink inside, also include: for the test section of the electrical characteristics that detect washer motor; Water supply by water supply valve when the user imports initiation command, press when setting-up time has been carried out the rear drive washer motor, control detects the electrical characteristics of washer motor by test section, and control was interrupted supplying water and the control part of carrying out washing process constitutes when the electrical characteristics that detect washer motor reached setting value.

The control method of dish-washing machine is in the dish-washing machine that possesses washer motor and water supply valve, comprising:

1). the user supplies water when importing the washing initiation command and carries out by the 1st setting-up time the stage of rear drive washer motor (21a);

2). detect the stage of the electrical characteristics of the washer motor (21a) that drives;

3). the electrical characteristics value of the washer motor that detects (21a), when keeping setting value during the 2nd setting-up time, the stage that the washing washing process is carried out in the back that stops to supply water.

Dish-washing machine of the present invention and control method thereof have following effect.

The first, do not need to detect the supply of washings.That is, the water level detecting means need be set, can save production cost.

The second, the required optimum water of supply during washing reaches water use amount and energy consumption and minimizes.

The 3rd, when air that the deficiency because of washings causes not taking place suck noise, the situation that the expulsion pressure of washings reduces does not take place yet, can improve scourability.

Description of drawings

Fig. 1 is the section structure synoptic diagram of general dish-washing machine;

Fig. 2 is the composition module synoptic diagram of the dish-washing machine of prior art;

Fig. 3 is the process flow diagram of control method of the dish-washing machine of prior art;

Fig. 4 is the composition module synoptic diagram of dish-washing machine of the present invention;

Fig. 5 is the process flow diagram of the control method of dish-washing machine of the present invention;

Fig. 6 is the chart that shows the electrical characteristics of dish-washing machine.

The explanation of the symbol of the major part of drawing

10: key input part 20: the load drive division

21: load 21a: washer motor

21b: water supply valve 21c: water discharging valve

22: test section 30: display part

40: control part

Embodiment

Below, as follows with reference to the control method of description of drawings dish-washing machine of the present invention and washing process thereof.

Fig. 4 is the composition module synoptic diagram of dish-washing machine of the present invention.

As shown in Figure 4, dish-washing machine of the present invention is to have possessing: the water supply valve 21b of supplying washing water; For washings, drive the washer motor 21a of washing pump (omitting diagram) to the sink internal spray by jet blower (omitting diagram) with water supply valve 21b supply; Discharge in the dish-washing machine of discharge valve 21c of washings of sink inside, also include: in order to import the key input part 10 of the washing process that the user wishes; According to the washing process of user, drive the load drive division 20 of the various loads 21 of washer motor 21a, water supply valve 21b, water discharging valve 21c etc. by key input part 10 inputs; Test section 22 for the electrical characteristics that detect washer motor 21a; When the user washs initiation commands by key input part 10 inputs, control load drive division 20 makes water supply by water supply valve 21b by after setting-up time is carried out, when driving washer motor 21a, control detects the electrical characteristics of washer motor 21a by test section 22, when the electric characteristics of the washer motor 21a that detects reached setting value, control was interrupted supplying water and is carried out the control part 40 of washing process; For the display part 30 of the various states that show dish-washing machine constitutes.

When dish-washing machine of the present invention moved, at first the user was by key input part 10 input washing commands.

Control part 40 is according to the washing commands by key input part 10, drives water supply valve 21b by load drive division 20 execution is supplied water.

Control part 40 when carrying out water supply rear drive washer motor 21a, detects the electrical characteristics value (E1) of washer motor 21a by test section 22 during the 1st setting-up time of having set, that is, and and the voltage of the consumption of washer motor 21a or the magnitude of current.

The water supply time of the degree of the mechanical seal of washer motor 21a (omitting diagram) submerged when the 1st setting-up time is the formation normal water supply, it is destroyed in order to prevent mechanical seal that the 1st setting-up time starts washer motor 21a later on.

Control part 40 is according to behind the electrical characteristics value E1 that receives the washer motor 21a that detects by test section 22, and with the comparative result of the characteristic value E that has set, control is supplied water.

The characteristic value E that this moment, comparison other was set is the voltage or the magnitude of current of the consumption of the washer motor 21a under the normal condition under the abundant state of washings.

Describe in detail, after the electrical characteristics value E1 of the washer motor 21a that detects reaches setting property value E, when its state is kept the 2nd setting-up time, carry out washing, rinsing and dry washing process in order after cutting off water supply valve 21b.

As the electrical characteristics value E1 of the washer motor 21a that detects during less than setting property value E, the output deficiency will cause that generation sucks air phenomenon etc., behind the 3rd setting-up time, when the electrical characteristics value E1 of the washer motor 21a that detects does not reach setting property value E, after control temporarily stops washer motor 21a, show the wrong information that supplies water by display part 30.

The control method of dish-washing machine of the present invention is described as follows.

Shown in Fig. 5, the S10 step: judge at first whether the user has imported the washing initiation command;

The S11 step: S10 goes on foot judged result, when having imported the washing initiation command, carries out and supplies water;

The S12 step: judge whether to reach first setting-up time? not to return the S11 step and restart;

The S13~S14 step: S12 goes on foot judged result, is to reach first setting-up time, detects the electrical characteristics value E1 of the washer motor 21a that drives when driving washer motor 21a;

The S15 step: whether the electric characteristics value E1 that judges the washer motor 21a that detects has reached the characteristic value E that has set;

At this moment, as shown in Figure 6, when setting property value E is the sufficient normal condition of washings, the voltage or the magnitude of current that washer motor 21a is consumed, the electrical characteristics value of illustrated E1 is the voltage or the magnitude of current that the washer motor 21a of the output of washings when not enough consumed.

The S16 step: S15 goes on foot judged result, does the electrical characteristics value E1 of the washer motor 21a of detection reach and sets? not then to continue to judge;

The S17~S18 step: S16 goes on foot judged result, and the electrical characteristics value E1 of the washer motor 21a of detection reaches the washing process of having set.

S19 step: S15 go on foot judged result, and the electrical characteristics value E1 of the washer motor 21a of detection does not reach setting property value E and (continues water supply during E1<E);

S20 step: when the S19 step carries out, judge (whether E1<E) keeps the 3rd setting-up time to state;

The S21 step: S20 goes on foot judged result, and the electrical characteristics value E1 of the washer motor 21a of detection does not reach setting property value E (E1<E), when state is kept the 3rd setting-up time, stop washer motor;

The S22 step: when the S21 step carries out, show the wrong information that supplies water.

So the present invention does not possess in order to detect the water level detecting means of washings, the washings of the best of washing process are carried out in supply.

By the content of explanation, industry personnel can carry out various changes and correction in not breaking away from technological thought scope of the present invention.And technical scope of the present invention is the restriction that is not subjected to the content put down in writing in the case study on implementation, and defines according to record content in the application range.

Claims (4)

1. dish-washing machine has possessing: the water supply valve of supplying washing water; Drive the washer motor (21a) of washing pump to the sink internal spray by jet blower for washings with water supply valve (21b) supply; Discharge in the dish-washing machine of discharge valve (21c) of washings of sink inside, it is characterized in that also including: for the test section (22) of the electrical characteristics that detect washer motor (21a); When importing initiation command, the user passes through the water supply of water supply valve (21b), press when setting-up time has been carried out rear drive washer motor (21a), control detects the electrical characteristics of washer motor (21a) by test section (22), and control was interrupted supplying water and the control part (40) of carrying out washing process constitutes when the electrical characteristics that detect washer motor (21a) reached setting value.
2. the control method of a dish-washing machine is characterized in that, in the dish-washing machine that possesses washer motor (21a) and water supply valve (21b), comprising:
1). the user supplies water when importing the washing initiation command and carries out by the 1st setting-up time the stage of rear drive washer motor (21a);
2). detect the stage of the electrical characteristics of the washer motor (21a) that drives;
3). the electrical characteristics value of the washer motor that detects (21a), when keeping setting value during the 2nd setting-up time, the stage that the washing washing process is carried out in the back that stops to supply water.
3. the control method of a kind of dish-washing machine according to claim 2, it is characterized in that, when in the electrical characteristics value of the washer motor (21a) that detects is during the 3rd setting-up time, not reaching setting value, also be provided with and comprise when stopping washer motor (21a) the demonstration water supply error message stage.
4. the control method of a kind of dish-washing machine according to claim 2 is characterized in that, the stage of the electric characteristics of described detection washer motor (21a) is: the stage of detecting washer motor (21a) consumption voltage or electric current.
CN 03130272 2003-06-30 2003-06-30 Dish-washing machine and its control method CN1567109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03130272 CN1567109A (en) 2003-06-30 2003-06-30 Dish-washing machine and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03130272 CN1567109A (en) 2003-06-30 2003-06-30 Dish-washing machine and its control method

Publications (1)

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CN1567109A true CN1567109A (en) 2005-01-19

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101808564A (en) * 2007-08-31 2010-08-18 Bsh博世和西门子家用器具有限公司 Method for the operation of a water-conducting household appliance
CN101427902B (en) * 2007-10-22 2011-08-24 Lg电子株式会社 Method of controlling dishwasher
CN102933322A (en) * 2010-02-04 2013-02-13 迈特克拉夫特公司 Intelligent wash period with unload/load alert and idle mode, system and methods for washing machine
CN103930842A (en) * 2012-09-28 2014-07-16 广东松下环境系统有限公司 Water level control apparatus and water level control method for micro-mist sauna apparatus
CN104665740A (en) * 2015-02-11 2015-06-03 佛山市顺德区美的洗涤电器制造有限公司 Dish washing machine and washing heating control method and washing heating control device thereof
CN105167728A (en) * 2014-06-12 2015-12-23 Lg电子株式会社 Dishwasher and control method for the same
WO2017088917A1 (en) * 2015-11-25 2017-06-01 Electrolux Appliances Aktiebolag Determining whether process water has been added to a sump of an appliance for washing and rinsing goods during interruption of appliance operation
CN107212837A (en) * 2017-07-13 2017-09-29 佛山市顺德区美的洗涤电器制造有限公司 The method for heating and controlling and device of dish-washing machine
US10244919B2 (en) 2012-11-08 2019-04-02 Electrolux Home Products Corporation N.V. Detecting operational state of a dishwasher
US10595703B2 (en) 2015-11-10 2020-03-24 Electrolux Appliances Aktiebolag Method of determining whether process water is present in a circulation pump of an appliance for washing and rinsing goods, and appliance and computer program therewith

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110048459A1 (en) * 2007-08-31 2011-03-03 BSH Bosch und Siemens Hausgeräte GmbH Method for the operation of a water-conducting household appliance
US8858719B2 (en) * 2007-08-31 2014-10-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Method for the operation of a water-conducting household appliance
CN101808564A (en) * 2007-08-31 2010-08-18 Bsh博世和西门子家用器具有限公司 Method for the operation of a water-conducting household appliance
CN101427902B (en) * 2007-10-22 2011-08-24 Lg电子株式会社 Method of controlling dishwasher
CN102933322A (en) * 2010-02-04 2013-02-13 迈特克拉夫特公司 Intelligent wash period with unload/load alert and idle mode, system and methods for washing machine
CN103930842A (en) * 2012-09-28 2014-07-16 广东松下环境系统有限公司 Water level control apparatus and water level control method for micro-mist sauna apparatus
US10244919B2 (en) 2012-11-08 2019-04-02 Electrolux Home Products Corporation N.V. Detecting operational state of a dishwasher
US9844801B2 (en) 2014-06-12 2017-12-19 Lg Electronics Inc. Dishwasher
CN105167728B (en) * 2014-06-12 2019-01-29 Lg电子株式会社 The control method of dish-washing machine and dish-washing machine
CN105167728A (en) * 2014-06-12 2015-12-23 Lg电子株式会社 Dishwasher and control method for the same
CN104665740B (en) * 2015-02-11 2017-06-06 佛山市顺德区美的洗涤电器制造有限公司 A kind of dish-washing machine and its washing method for heating and controlling and device
CN104665740A (en) * 2015-02-11 2015-06-03 佛山市顺德区美的洗涤电器制造有限公司 Dish washing machine and washing heating control method and washing heating control device thereof
US10595703B2 (en) 2015-11-10 2020-03-24 Electrolux Appliances Aktiebolag Method of determining whether process water is present in a circulation pump of an appliance for washing and rinsing goods, and appliance and computer program therewith
WO2017088917A1 (en) * 2015-11-25 2017-06-01 Electrolux Appliances Aktiebolag Determining whether process water has been added to a sump of an appliance for washing and rinsing goods during interruption of appliance operation
CN107212837A (en) * 2017-07-13 2017-09-29 佛山市顺德区美的洗涤电器制造有限公司 The method for heating and controlling and device of dish-washing machine

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