CN101822522B - Dishwasher and control method thereof - Google Patents
Dishwasher and control method thereof Download PDFInfo
- Publication number
- CN101822522B CN101822522B CN2010101618516A CN201010161851A CN101822522B CN 101822522 B CN101822522 B CN 101822522B CN 2010101618516 A CN2010101618516 A CN 2010101618516A CN 201010161851 A CN201010161851 A CN 201010161851A CN 101822522 B CN101822522 B CN 101822522B
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- China
- Prior art keywords
- temperature
- mentioned
- washings
- washing
- cleaning
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Abstract
The invention discloses a dishwasher and control method thereof, the dishwasher of the invention comprises a wahsing slot providing an internal space capable of placing dishes; a shelf which is positioned inside of the washing slot and is used for placing a washing object; an injectin device for injecting washing water to the washing object placed on the shelf; a water colleting slot which is positioned below the washing slot and is used for storing the washing water; a heater for heating the washing water inside of the water collecting; a temperature detecting device for detecting the temperature of the washing water; a control part for controlling the operation of the injection device, wherein, the control part can determine the washing travel when entering into the washing travel, after the washing travel begins for the given time, the temperature of the washing water can be detected, and the heater is restarted under the condition that the temperature of the washing water is lower than the setting temperature. During washing, the temperature reducing of the washing water can be detected and the temperature can be sustained sufficiently, thereby improving the washing performance and the drying performance.
Description
Technical field
The present invention relates to the control method of a kind of dish-washing machine and dish-washing machine.
Background technology
Dish-washing machine is a kind of washings of the bowl tool inject high pressure of holding to sink inside, thus the device of the dirt that paste on washing bowl tool surface.In general, comprise in the dish-washing machine: form outward appearance, and the body in the space of placing the bowl tool is provided with lower component; Be positioned at above-mentioned body, be used to place the shelf (rack) of bowl tool; Injection nozzle to the bowl tool high-pressure injection washings that are positioned over above-mentioned shelf; Store water leg (sump) and the washing pump and the washing motor of above-mentioned washings.
Above-mentioned dish-washing machine is via with down stroke the bowl tool being washed and drying operation; Promptly; Utilization comprises the washing stroke that the washings of washing agent wash the bowl tool, the cleaning stroke that the bowl tool of accomplishing washing is cleaned, and to accomplishing the drying stroke that the bowl tool that cleans is dried.
Wherein, in above-mentioned cleaning stroke, will heat the back to washings and use.For this reason, include above-mentioned washings heater, confirm through temperature sensor whether the above-mentioned washings that obtain heating are heated to predefined temperature.Below, will carry out detailed explanation to the process that realizes above-mentioned cleaning stroke.At first, before get into cleaning stroke, behind the heated scrub water,, make above-mentioned washings motor stop to drive, and supply with washings when being heated to design temperature when above.
Under the state of supplying with the above-mentioned washings that obtain heating, above-mentioned washing motor is driven, clean stroke with given time, carry out drying stroke then.
But, under the situation of the dish-washing machine of prior art, there is following problem points with aforesaid washing process, that is, its oven dry performance will reduce after via drying stroke.In order to solve the problem of above-mentioned existence; Trial in the prior art improves the temperature of the hot blast of supplying with in the drying course or the drying time that extends is dried performance to improve; In the case; Though can satisfy the oven dry performance, thus with the shortcoming of bringing wash time lengthening or energy-output ratio to increase simultaneously.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of dish-washing machine, in the present invention, when improving the oven dry performance, improve cleaning performance.
And, another object of the present invention is to provide a kind of control method of dish-washing machine, in the present invention, can improve oven dry performance and cleaning performance.
In order to achieve the above object, according to a side of the present invention, comprise with lower component in the dish-washing machine of the present invention: the sink that the inner space that can place bowl tool is provided; Be positioned at the inside of above-mentioned sink, be used to place the shelf of washing object; Injection apparatus to the washing object jet cleaning water that is positioned over above-mentioned shelf; Be positioned at the bottom of above-mentioned sink, be used to store the water leg of washings; Heat the heater of the inner washings of above-mentioned water leg; Detect the temperature-detecting device of the temperature of above-mentioned washings; And the control part that is used to control the operation of above-mentioned injection apparatus; It is characterized in that; Journey time is cleaned in the decision when getting into the cleaning stroke of above-mentioned control part; After the cleaning stroke begins, detect the temperature of above-mentioned washings later on, and under the situation below the design temperature, restart above-mentioned heater through given time.
In cleaning stroke, in order to improve cleaning and to shorten drying time, heated scrub water and when cleaning stroke, using as previously mentioned.The inventor learns that in the process of the relation of the temperature of studying above-mentioned washings and cleaning and drying time the temperature of keeping washings constitutes material impact to improving cleaning and shortening drying time.
Particularly find; After making washings be heated to design temperature, its input and execution are cleaned in the process of stroke; Cause taking place heat loss owing to throw in before the washings with the inner residual air of sink and the heat exchange of extraneous air, the washings that obtain heating are reduced to below the design temperature when inner rendering to sink.Thus, the temperature of the actual washings that use when cleaning stroke will be lower than design temperature, and consequently, the inner and bowl tool surface temperature of the sink of the time point that begins in drying stroke will be lower than temperature desired.Thus, it is abundant inadequately to cause drying performance, and also Yin Wendu reduces the capillary increase of the washing agent that causes in cleaning process, and causes its cleaning performance to reduce.
The present invention serves as according to proposing with the above-mentioned inventor's result of study;, washings do not consider the situation that temperature thereafter reduces when having improved cleaning stroke in the past among the present invention after being heated to design temperature; After get into cleaning stroke through given time after; Restart heater after the temperature of detection Actual laundering water, thus but compensation temperature reduction.
At this moment; The control part of driving of controlling above-mentioned dish-washing machine is before cleaning stroke; Behind predefined cleaning journey time or cleaning journey time execution cleaning stroke by the control part decision; If when situation that the temperature of washings reduces takes place, increase time of cleaning stroke improving cleaning performance, and a temperature that improves bowl tool surface simultaneously is to improve the oven dry performance in cleaning process.
At this moment, above-mentioned control part detects the temperature of washings after can passing through given time, or whenever periodically detects at a distance from given time.
Wherein, above-mentioned temperature of washing water compensation and the nonessential cleaning stroke that is defined in are in its arbitrary distance of run applicable to the washings that utilize heating.Therefore, according to another side of the present invention, comprise with lower component in the dish-washing machine of the present invention: the sink that the inner space that can place bowl tool is provided; Be positioned at the inside of above-mentioned sink, be used to place the shelf of washing object; Injection apparatus to the washing object jet cleaning water that is positioned over above-mentioned shelf; Be positioned at the bottom of above-mentioned sink, be used to store the water leg of washings; Heat the heater of the inner washings of above-mentioned water leg; Detect the temperature-detecting device of the temperature of above-mentioned washings; And the control part of controlling the operation of above-mentioned injection apparatus, it is characterized in that above-mentioned control part detects the temperature of the above-mentioned washings of heating in bowl tool washing stroke, and under the situation below the design temperature, restarts above-mentioned heater.
Wherein, bowl tool washing stroke refers to the stroke arbitrarily that in the driving process of dish-washing machine, utilizes the washings of heating.
According to another side of the present invention, may further comprise the steps in the control method of the dish-washing machine among the present invention: utilize heater washings to be heated to the step of closing heater behind the design temperature; The washings that obtain heating are ejected in the sink, and the step that the bowl tool of placing is cleaned stroke; Behind the jet cleaning water through after the given time, with the temperature of washings and design temperature step relatively; And when the temperature of washings be under the situation below the design temperature, restart heater, and the washings that sink is inner are heated to the step of design temperature.
Wherein, can append among the present invention and comprise: when cleaning stroke, set the step of cleaning journey time; And the step that after the step that washings is heated to design temperature, increases the cleaning journey time of setting.
And can append among the present invention and comprise: above-mentioned cleaning journey time is preestablished, and after the step that washings is heated to design temperature, increases the step of the cleaning journey time of setting.
Beneficial effect of the present invention:, in cleaning stroke, detect the temperature reduction of washings and make its temperature of keeping abundant degree, thereby can improve cleaning and oven dry performance according to having the side of the present invention of structure as stated.
Description of drawings
Fig. 1 is the phantom of internal structure of an embodiment of the dish-washing machine among the present invention;
Fig. 2 is the block diagram of the structure of the embodiment that illustrates among Fig. 1;
Fig. 3 is the flow chart of the control method of the embodiment that illustrates among Fig. 1;
Fig. 4 is another routine flow chart of the control method of the embodiment that illustrates among Fig. 1.
The specific embodiment
Below, will be with reference to accompanying drawing, the embodiment of the control method of dish-washing machine among the present invention and dish-washing machine is carried out detailed explanation.
Fig. 1 is the rough schematic of the dish-washing machine of the embodiment in according to the present invention.With reference to Fig. 1, comprise with lower component in the dish-washing machine 100 of one embodiment of the invention: be arranged at the sink 110 in the housing (cabinet) 101; Be used to open and close the door 102 of above-mentioned sink 110; Be arranged in the above-mentioned sink 110, be used to hold the shelf 103 of bowl tool.
And, also comprise with lower component in the above-mentioned dish-washing machine 100: be arranged at the bottom of above-mentioned sink 110, and hold the water leg 106 of washings in inside; Aspirate the impeller (impeller) 107 of the washings in the above-mentioned water leg 106; Drive the washing motor 108 of above-mentioned impeller 107.
And, also comprise with lower component in the above-mentioned dish-washing machine 100: the washings of suction in the above-mentioned water leg 106 are ejected into the spray nozzle device 105 as the bowl tool of washing object; Swivel nozzle 104.Said nozzle device 105 is fixed in the rear side of above-mentioned sink 110, and to above-mentioned bowl tool jet cleaning water.In addition, above-mentioned swivel nozzle 104 is positioned at the downside of above-mentioned shelf 103, will be rotated owing to the injection pressure of washings, and to above-mentioned bowl tool jet cleaning water.Through the spraying of above-mentioned washings,, thereby wash above-mentioned bowl tool with the dirt of pasting on the above-mentioned bowl of the removal tool.
In addition, be useful on the heater 120 of the washings of heating water leg internal reservoir, be provided with the temperature sensor 122 of the temperature that is used to detect washings in the side of facing with above-mentioned heater 120 in the set inside of above-mentioned water leg 106.At this, influence temperature detection in order to prevent above-mentioned heater 120, said temperature sensor 122 is positioned at the opposition side of heater.In addition, said temperature sensor 122 is connected with not shown control part, and sends detected result to control part.
Having as stated the foregoing description of structure will pass through following process and drive.
At first, the user opens the door 102 of dish-washing machine, and above-mentioned shelf 103 is pulled out to the outside of sink 110.Then, in above-mentioned shelf 103, hold a bowl tool, close above-mentioned door 102 then, and insert power supply, thereby above-mentioned dish-washing machine is driven.
In addition, when in above-mentioned dish-washing machine, inserting power supply and carrying out washing step, will flow into the inside of above-mentioned water leg 106 from the water-supply source washing water supplied.And, flow into the inside of water leg at a certain amount of washings after, above-mentioned washing motor 108 will drive.
And the above-mentioned impeller 107 that is connected with 108 of above-mentioned washing motors will be rotated, and washings will alternately be drawn into said nozzle device 105 or swivel nozzle 104, and be ejected into the inside of sink.Then, will carry out washing the process of the bowl tool that holds in the above-mentioned shelf 103 through the above-mentioned washings that eject.
And the dirty washings that in above-mentioned washing step, come together in above-mentioned water leg 106 will filter foreign substances by filter (not shown), and then, the above-mentioned washings that foreign substances is filtered will be discharged to the outside of above-mentioned dish-washing machine through draining pump (not shown).
And when above-mentioned washings were discharged to the outside, clean washings flow into above-mentioned water leg 106 through inflow entrance again, and identical with above-mentioned washing step passed through the said nozzle device and swivel nozzle sprays.Then, through the above-mentioned clean washings that eject, above-mentioned bowl tool will be via the heated wash stroke; At this moment, above-mentioned heater 120 is driven, and be heated to and preestablish temperature; After for example being heated to 65 ℃,, for example carried out the heated wash stroke in 5 minutes by the predefined time.Then, when above-mentioned heated wash step finishes, will be via baking step, and accomplish washing process.
Fig. 2 is the simple block diagram of the structure of the foregoing description.With reference to Fig. 2, above-mentioned control part 140 is confirmed through after the temperature of said temperature sensor 130 detected washings detected temperature and design temperature to be compared, and the driving of control heater 120 whether.Simultaneously; The drive pattern control washing process that will determine by the guidance panel 150 of the front that is arranged at above-mentioned housing 101; In aforesaid operations panel 150, be provided with the operated key (not shown) that can supply the user to select washing process; Thus, the user can set the time of cleaning stroke arbitrarily or determined by control part.
In the above-mentioned cleaning journey time that is set or determines, above-mentioned control part 140 will be controlled the driving of above-mentioned washing motor 108, and carry out and clean stroke.
The flow chart of one embodiment of the control method of the washing machine when Fig. 3 is the cleaning stroke.When washing stroke finished, above-mentioned control part 140 drove heater 120, and washings are heated to predefined temperature (being about 65 ℃ at this) (S1 step); Subsequently, detect the temperature of washings, and confirm whether be design temperature above (S2 step); Then, under the situation that satisfies design temperature, will carry out the S3 step; Close heater and washing motor is driven, thereby begin to clean stroke.
Through about 2 minutes time point (S4 step), above-mentioned control part 140 will be reaffirmed the temperature (S5 step) of washings after above-mentioned S3 step.This be because, through with the heat exchange of already present air in the inside of above-mentioned sink and extraneous air, the temperature of washing water supplied may reduce when cleaning stroke and begin.When the temperature of testing result is under the situation more than the design temperature, will clean stroke to carry out remaining time, finish to clean stroke (S6 step) then.Wherein, the S4 step is also nonessential to be carried out at the time point through 2 minutes, and it can carried out by decision or by any time point in the cleaning journey time of user's setting in advance, and, also can consider to carry out repeatedly with the set cycle.
In addition, in above-mentioned S5 step,, will make heater start (S7 step) again when the temperature of washings is lower than under the situation of design temperature.Subsequently, after whether the temperature of confirming washings is heated to design temperature (S8 step), above-mentioned control part will prolong the cleaning journey time (S9) of initial setting or decision.This is the washings that are cooled in the stroke because of cleaning in order to prevent; And the temperature that causes bowl tool is reduced to the degree that can't obtain sufficient cleaning and oven dry performance; Therefore; Utilization is heated to the above washings of design temperature and cleans stroke with the longer time, thereby fully improves the temperature of bowl tool.
That is, in cleaning stroke, under the low excessively situation of the temperature of washings; The residual washing agent or the surface tension of cleaning fluid will become greatly on the bowl tool surface, thereby very difficult from bowl tool surface removal, and the possibility that is lowered of increase cleaning performance; And; Because the temperature on bowl tool surface is lower, when only carrying out under the situation of drying stroke with the drying stroke time that is predetermined, the bowl tool can't fully be dried.
After prolonging setting-up time as stated, make heater stop to drive (S10 step), when through the setting-up time that prolongs (S11 step), finish to clean stroke and also carry out drying stroke.Wherein, S9 step and replaceable its of S10 step are carried out in proper order, and, the degree of prolong cleaning journey time can consider by the technical staff of relevant industries dish-washing machine capacity and heater heating properties and set easily.According to condition of different, not prolonging the oven dry performance that also can access abundant degree under the situation of cleaning journey time, in the case, also can not carry out above-mentioned S9 step, that is, do not prolong and clean journey time and carry out subsequent step.
Fig. 4 is the flow chart of another embodiment of above-mentioned control method.In Fig. 4, the embodiment that illustrates among S1 to S8 step and above-mentioned Fig. 3 is identical, will save the explanation of repetition at this.In Fig. 4, be under the situation below the design temperature when cleaning the temperature that detects washings in the stroke, be heated to the temperature of washings more than the design temperature through the S8 step after, clean stroke with the cleaning journey time of initial setting.Subsequently; Behind the effluxion of setting (S22 step), detect the temperature of washings once more after, when being detected as design temperature when above; Finish to clean stroke; When be design temperature less than the time, drive heater (S23 step) once more, and the temperature of washings be heated to (S24 step) more than the design temperature again.
That is, in the above-described embodiments, after cleaning stroke and beginning during through 2 minutes and clean and carry out temperature detection when stroke finishes; Make in the temperature of cleaning stroke end time point detection washings; When be detected as design temperature less than the time, heated scrub water makes it be heated to design temperature and closes heater (S25 step) after above again, prolongs (S26 step) after the cleaning journey time of initial setting; When passing through the cleaning journey time that prolongs (S27 step), finish to clean stroke.
Claims (2)
1. a dish-washing machine comprises with lower component: the sink that the inner space that can place bowl tool is provided; Be positioned at the inside of above-mentioned sink, be used to place the shelf of washing object; Injection apparatus to the washing object jet cleaning water that is positioned over above-mentioned shelf; Be positioned at the bottom of above-mentioned sink, be used to store the water leg of washings; Heat the heater of the inner washings of above-mentioned water leg; Detect the temperature-detecting device of the temperature of above-mentioned washings; Control the control part of the operation of above-mentioned injection apparatus; It is characterized in that: above-mentioned control part is set when getting into the cleaning stroke and is cleaned journey time; After the cleaning stroke begins, detect the temperature of above-mentioned washings later on, and under the situation below the design temperature, restart above-mentioned heater through given time; When above-mentioned control part is cleaning the temperature that detects washings in the stroke is under the situation below the design temperature, increases the cleaning journey time of setting; Perhaps when above-mentioned control part in the cleaning journey time of setting through the out-of-date temperature that detects washings, under situation about being detected as below the design temperature, increase and clean journey time and also restart heater.
2. the control method of a dish-washing machine is characterized in that, may further comprise the steps:
Utilize heater washings to be heated to the step of closing heater behind the design temperature;
The washings that obtain heating are ejected in the sink, and the bowl tool of placing is cleaned stroke and sets the step of cleaning journey time;
Behind the jet cleaning water through after the given time, with the temperature of washings and design temperature step relatively;
When the temperature of washings is under the situation below the design temperature, restart heater, and the washings that sink is inner are heated to the step of design temperature, after the step that washings is heated to design temperature, increase the step of the cleaning journey time of setting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090103051A KR20110046177A (en) | 2009-10-28 | 2009-10-28 | Dish washer and controlling method for a dish washer |
| KR10-2009-0103051 | 2009-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101822522A CN101822522A (en) | 2010-09-08 |
| CN101822522B true CN101822522B (en) | 2012-08-22 |
Family
ID=42686851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101618516A Expired - Fee Related CN101822522B (en) | 2009-10-28 | 2010-04-08 | Dishwasher and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20110046177A (en) |
| CN (1) | CN101822522B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI412347B (en) * | 2010-07-29 | 2013-10-21 | Panasonic Corp | Tableware cleaning machine |
| KR101830737B1 (en) | 2011-05-17 | 2018-04-04 | 엘지전자 주식회사 | Mobile terminal and method for controlling the same |
| KR102443320B1 (en) | 2016-01-05 | 2022-09-15 | 엘지전자 주식회사 | Dish washer and controlling method thereof |
| CN110393493B (en) * | 2019-08-13 | 2020-09-29 | 珠海格力电器股份有限公司 | Drying control device and method of dish washing machine and dish washing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331984A (en) * | 1992-04-08 | 1994-07-26 | Kabushiki Kaisha Toshiba | Dishwasher |
| CN1857153A (en) * | 2005-04-14 | 2006-11-08 | 松下电器产业株式会社 | Dishware washer |
| CN101088450A (en) * | 2006-04-25 | 2007-12-19 | Lg电子株式会社 | Dishwasher and controlling method thereof |
| CN101199409A (en) * | 2007-08-31 | 2008-06-18 | 南京乐金熊猫电器有限公司 | Methdo for controlling dishware cleaner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07313427A (en) * | 1994-05-27 | 1995-12-05 | Yokogawa Denshi Kiki Kk | Tableware washing machine |
-
2009
- 2009-10-28 KR KR1020090103051A patent/KR20110046177A/en not_active Application Discontinuation
-
2010
- 2010-04-08 CN CN2010101618516A patent/CN101822522B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331984A (en) * | 1992-04-08 | 1994-07-26 | Kabushiki Kaisha Toshiba | Dishwasher |
| CN1857153A (en) * | 2005-04-14 | 2006-11-08 | 松下电器产业株式会社 | Dishware washer |
| CN101088450A (en) * | 2006-04-25 | 2007-12-19 | Lg电子株式会社 | Dishwasher and controlling method thereof |
| CN101199409A (en) * | 2007-08-31 | 2008-06-18 | 南京乐金熊猫电器有限公司 | Methdo for controlling dishware cleaner |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-313427A 1995.12.05 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110046177A (en) | 2011-05-04 |
| CN101822522A (en) | 2010-09-08 |
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