CN101961237A - Dish-washing machine with filter system of optimization - Google Patents
Dish-washing machine with filter system of optimization Download PDFInfo
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- CN101961237A CN101961237A CN2010102352191A CN201010235219A CN101961237A CN 101961237 A CN101961237 A CN 101961237A CN 2010102352191 A CN2010102352191 A CN 2010102352191A CN 201010235219 A CN201010235219 A CN 201010235219A CN 101961237 A CN101961237 A CN 101961237A
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- filter
- micro
- washing machine
- dish
- cleaning solution
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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
- A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
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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
- A47L15/4202—Water filter means or strainers
- A47L15/4204—Flat filters
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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
- A47L15/4202—Water filter means or strainers
- A47L15/4206—Tubular filters
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Abstract
The invention discloses a kind of dish-washing machine, domestic bowl-washing (1) especially has: wash compartment (4), and the standard of specific quantity is placed lattice and can be loaded in the described wash compartment; And filter system (20), described filter system has micro-filter (28), described micro-filter is used for filtering out small dirt from the cleaning solution as circular flow (US) that the operating process at circulating pump (11) circulates, wherein, in the operating process of circulating pump (11), first's stream (US1) of circular flow (US) flows through micro-filter (28), the second portion stream (US2) of circular flow (US) is directed from the other process of micro-filter (28), it is characterized in that, place lattice for each standard that provides, micro-filter (28) has 14cm at least
2, 28cm at the most
2Filter surfaces, especially have 16cm at least
2, 26cm at the most
2Filter surfaces, and particularly preferably have 18cm at least
2, 24cm at the most
2Filter surfaces.
Description
Technical field
The present invention relates to a kind of dish-washing machine, domestic bowl-washing especially has: wash compartment, and the standard of specific quantity is placed lattice and can be loaded in the described wash compartment; And filter system, described filter system has micro-filter, described micro-filter is used for filtering out small dirt from the cleaning solution as circular flow that the operating process at circulating pump circulates, wherein, in the operating process of circulating pump, first's stream of circular flow flows through micro-filter, and the second portion stream of circular flow is directed from the other process of micro-filter.
Background technology
Domestic bowl-washing on sale on the market has wash compartment, and described wash compartment is equipped with the holding device that is used to receive article to be washed.Holding device can comprise plate-basket or analog usually.The capacity of dish-washing machine washing compartment especially is scheduled to by the internal capacity of washing container and the shape of holding device in configuration aspects in this case.
In the family expenses dish-washing machine, the number that capacity is placed lattice by standard is specified, and described standard is placed lattice and can be loaded into simultaneously in the wash compartment of domestic bowl-washing together with article with relevant meal.Placing lattice according to the standard of European standard EN50242 generally includes: have the deep bid of 26cm diameter, the soup plate with 23cm diameter, the dessert dish with 19cm diameter, the saucer with 14cm diameter, the cup with 0.2 liter of capacity, the goblet with 0.25 liter of capacity, the fork with 184mm length, the soup ladle with length of 195mm, the knife with 203mm length, the teaspoon with 126mm length and the dessert spoon with 156mm length.
In order to check the capacity of domestic bowl-washing, use the standard of specific quantity to place lattice and one group of meal article.Place the capacity of lattice for six of expectation or still less standard, uses diameter as the stove tray of 32cm, diameter as the meal of 16cm with dish, diameter as the meal of 13cm with coil, two meal that length is respectively 260mm with spoon, length as the meal of 192mm with pitching and length is the soup ladle of 175mm.Place seven or more a plurality of standard under the expected capacity of lattice, uses diameter as the meal of 19cm with coiling and the replacement diameter is the diameter of the stove tray of the 32cm stove tray as 35cm.
Dish-washing machine on sale has the seasonal effect in time series control device that is used for automatically controlling according to washing procedure washing process on the market.In this case, have a plurality of washing procedures to be stored in the control device usually, operating personnel can select a washing procedure to carry out a kind of washing process from described a plurality of washing procedures respectively.Different washing procedures is suitable for different corresponding requirements in this case, and amount, the type of tableware and the degree of fouling of tableware of the tableware that described requirement is particularly imported by reality produce.
Washing procedure especially comprises cleaning stage usually, in described cleaning stage, when having at least, circulating pump is switched on, and this produces the circular flow of cleaning solution, described circular flow is applied on the article to be washed, to get loose dirt and it is washed away from article to be washed.Cleaning solution relates to dispersion system, and wherein main component is a water.According to the time series of cleaning stage, cleaning solution can comprise for example surfactant and from the dirt of article to be washed of cleaning agent.In order to prevent that the dirt that comprises in the cleaning solution in the circular flow from turning back to article to be washed, provide filter system, the circular flow of cleaning solution is conducted through described filter system, makes dirt to the small part that comprises in the cleaning solution be retained in the filter system.Filter system is implemented to the dirt that makes reservation in this case can be pumped out filter system at specific time point by means of the discharge stream that comprises cleaning solution, in final analysis, to avoid filter system owing to too a large amount of dirts becomes obstruction, wherein, described discharge stream can produce by the operation emptying pump.
The filter system of dish-washing machine has at least one micro-filter, and described micro-filter is used for removing small dirt particle from the circular flow of cleaning solution.In this case, the first of the circular flow that transmits by circulating pump is conducted through micro-filter along first direction.The second portion of circular flow is directed from the other process of micro-filter via bypass or branch road.In this way, can produce high circular flow.
In recent years, the more macro-energy efficient to domestic bowl-washing has proposed bigger requirement.Potential cause is that electricity price and water price be continuous rise.In addition, resident's otherwise environmental consciousness strengthens.
The deficiency of existing dish-washing machine is that these no longer can satisfy current requirement aspect energy efficiency and the environment compatibility.
Summary of the invention
The objective of the invention is to improve the efficient of existing dish-washing machine.
Above-mentioned purpose is by following realization: place lattice for each standard that provides, micro-filter has 14cm at least
2, 28cm at the most
2Filter surfaces, especially have 16cm at least
2, 26cm at the most
2Filter surfaces, and particularly preferably have 18cm at least
2, 24cm at the most
2Filter surfaces.
In dish-washing machine of the present invention, to compare with the corresponding micro-filter of existing dish-washing machine, the size of described micro-filter is configured to bigger than normal under the standard placement lattice of specific quantity.Therefore, place lattice for each standard that provides, micro-filter has 14cm at least
2Filter surfaces, 16cm especially at least
2Filter surfaces, 18cm at least especially preferably
2Filter surfaces.In this way, micro-filter can be accepted relatively large dirt, does not stop up and it is become.This means, when cleaning stage is carried out, needn't from filter system, pump out the small dirt of reservation continually by means of the pump flow of cleaning solution.Therefore, emptying pump needn't be connected in cleaning stage continually, makes to pump out less cleaning solution generally.This also makes less fresh water must be fed into dish-washing machine in cleaning stage.In this way, the water consumption of dish-washing machine can obviously be reduced.
In the suitable layout of micro-filter, usually can utilize such washing procedure to realize identical cleaning effect, the cleaning stage of described washing procedure only just provides cleaning course one time, to this, in standard dishwasher, then need such washing procedure, wherein cleaning stage has pre-wash process and cleaning course.In this case, the water consumption of dish-washing machine can reduce by half to 4 liters from 8 liters usually in cleaning stage.
Yet, also can realize such cleaning effect this moment in many cases, for need a pre-wash process and two situations that cleaning course could be realized in existing dish-washing machine, described cleaning effect is realized by a pre-wash process and single clearing process.In this case, in fact the water consumption in cleaning stage descends 1/3rd, for example is raised to 8 liters from 12.Usually, can determine, in dish-washing machine of the present invention, under the situation of effect that keeps clean, compare that wherein the washing procedure of cleaning stage needs part washing process still less is possible with the situation of existing dish-washing machine.
Except realizing required water saving, the omission of the pre-wash process that this moment is possible also can be saved electric energy.That is to say that if washing process directly begins with cleaning course then the heating of dish-washing machine also directly is switched on.Compare with the cleaning stage of wherein carrying out the pre-wash process with quite cold water, this has increased the mean temperature of the cleaning solution in the cleaning course.Higher mean temperature produces higher thermal cleaning effect, makes total duration of cleaning stage can reduce usually.Also can reduce the maximum temperature in the cleaning stage in many cases.This all makes energy save.
Place lattice for each standard that provides, the lower limit of the filter surfaces by making micro-filter or minimum limit are 14cm at least
2, 16cm especially at least
2, especially be preferably 18cm at least
2And the filter by making micro-filter on be limited to 28cm at the most
2, especially be at most 26cm
2, especially be preferably 24cm at the most
2, can realize the little design of micro-filter, this still can realize the raising of efficient of the present invention.
According to a favourable design of the present invention, described micro-filter has the through hole that is used for cleaning solution, and described through hole has 0.025mm at least
2, 0.06mm at the most
2Cross section, especially have 0.03mm at least
2, 0.05mm at the most
2Cross section, particularly preferably have 0.035mm at least
2, 0.045mm at the most
2Cross section.The lower limit of the cross section of given through hole can guarantee that micro-filter has enough low flow resistance.Simultaneously, the upper limit of the cross section of given through hole can guarantee that micro-filter has enough filtrations.
According to a favourable improvement of the present invention, the total surface area of the through hole of micro-filter is at least 25%, at the most 50% with the ratio of the total filter surface area of micro-filter, particularly at least 30%, at the most 45%, especially preferably at least 35%, at the most 40%.Given value makes to have favourable ratio between the flow resistance of micro-filter and the stability.
According to a favourable improvement of the present invention, in the operating process of emptying pump, the first of pump flow stream is by micro-filter at least, and wherein, the flow direction of the first of pump flow stream is opposite with the flow direction of first's stream of circular flow.In this way, the automated cleaning of micro-filter can be realized.
According to a favourable improvement of the present invention, micro-filter is arranged between circulation chamber and the collection chamber.In this case, the circulation chamber is interpreted as this chamber, and cleaning solution can be directed into circulating pump from described chamber.Therefore, for example, can provide connecting line, cleaning solution reaches circulating pump by described connecting line by gravity.Therefore, the cleaning solution by the micro-filter cleaning can be used for further circulation immediately.On the other hand, collection chamber is appreciated that and is this chamber that cleaning solution and/or dirt can be pumped away by emptying pump from described chamber.This arrangement of given micro-filter can make the dirt that is filtered out from cleaning solution by micro-filter be collected in the collection chamber and subsequently can be removed in simple mode by connecting emptying pump.
According to a favourable improvement of the present invention, filter system has fine filtrator, described fine filtrator is arranged on the upstream of micro-filter with respect to first's stream of circular flow, and wherein, fine filtrator has at least the same big filter surfaces of filter surfaces with micro-filter.
The use of another fine filtrator is clean cycle stream tentatively.Can be caught by micro-filter by thinner small dirt to the small part of fine filtrator.Thereby, the trend that block micro-filter for the filter arrangement mode of two stage arrangement mode can further reduce this moment.The above-mentioned size Selection of the micro-filter that is provided has this effect in this case: even have under the situation of a large amount of small dirts, also can prevent to block micro-filter widely.
According to a favourable improvement of the present invention, micro-filter is the micro-filter tube that is provided with stand up position.Micro-filter is implemented as upright micro-filter tube makes micro-filter have good through-current capability and small dirt is deposited in the lower region of collection chamber, make the small dirt of deposition under any circumstance only can stop up the sub-fraction of the filter surfaces of micro-filter.In addition, the Compact Design of filter system is possible.
According to a favourable improvement of the present invention, fine filtrator is the fine filtrator tube that is provided with stand up position, and described fine filtrator tube and micro-filter tube are provided with one heart.This is also obtaining further advantage aspect layout saving aspect the through-current capability of two-stage filter arrangement and in the space.
According to a favourable improvement of the present invention, filter system comprise another, i.e. second fine filtrator, the second portion stream of the circular flow in the first's stream of the pump flow in the operating process of emptying pump and/or the operating process of circulating pump is directed to the circulation chamber from wash compartment by described second fine filtrator.Described another fine filtrator is used in pump flow in the pumping pattern first stream arrives the circulation chamber from wash compartment inside with therefrom by micro-filter and by first fine filtrator that may exist enter or flow into collection chamber before clean it.This makes first fine filtrator that is flow through micro-filter and may exist by the cleaning solution of precleaning under the pumping pattern.In this way, can prevent and to be collected on the side of circulation chamber at the micro-filter place by small dirt loosening and that remove.In addition, another fine filtrator is used at circulation pattern guiding being flowed through micro-filter by the first of circular flow, and also is directed if desired also cleaning it like this through first fine filtrator.This makes producible bigger circular flow and can also prevent that the cleaning solution that is not cleaned from arriving the circulation chamber.
According to a favourable improvement of the present invention, another second fine filtrator is implemented as the flat condition filter, and described flat condition filter is arranged in the bottom of wash compartment.In this way, can realize big filter surfaces, this has reduced the trend that another fine filtrator stops up.
According to a favourable improvement of the present invention, filter system can comprise coarse filter, first's stream of the circular flow in the second portion stream of the pump flow in the operating process of emptying pump and/or the operating process of circulating pump is directed to the collection chamber from wash compartment by described coarse filter, wherein, coarse filter is implemented to stop owing to size and can not be pumped the object that the stream pumping is walked.Coarse filter can be implemented to and make bigger object for example tableware article, toothpick etc. can not arrive the inside of filter system.This prevents that filter system from being stopped up by this article.Also can prevent to damage micro-filter and also prevent to damage fine filtrator when needing.In addition, prevent from emptying pump and/or circulating pump are caused damage.
According to a favourable improvement of the present invention, coarse filter is the coarse filter tube that is provided with stand up position.This has further advantage aspect Compact Design of filter system.
According to a favourable improvement of the present invention, be provided with the cleaning solution reservoir, described cleaning solution reservoir is implemented to and is used for keeping cleaning solution temporarily.
The feasible cleaning solution that can store unwanted a certain amount in the washing process of this cleaning solution reservoir at special time.The cleaning solution of this amount can use at point sometime afterwards then.This makes and to prevent that still spendable in principle cleaning solution is pumped out dish-washing machine, if this causes problem or be not used at specific time point.The reusing of cleaning solution that stores makes the water consumption of dish-washing machine further reduce in this case.
According to a particularly preferred exemplary embodiment of the present invention, the cleaning solution reservoir is provided for and receives cleaning solution and distribute cleaning solution when the middle washing process of washing process and/or flushing process finish when the cleaning stage of afterwards washing process begins.Under traditional dish-washing machine, cleaning solution is pumped away when middle washing process finishes, thereby so that can be with fresh water execution flushing process subsequently.Equally, when flushing process finished, cleaning solution was pumped away wholly or in part, because this does not need in drying course subsequently.Middle cleaning solution washing process or flushing process only pollutes usually a little.Therefore, this cleaning solution can use in any cleaning stage of afterwards washing process usually.The effect that the use of given cleaning solution reservoir has is, when the cleaning stage of afterwards washing process begins, needs to suck less fresh water or even do not need to suck fresh water.This makes the water consumption of dish-washing machine further obviously reduce.
Description of drawings
Further improvement record of the present invention in the dependent claims.Below, explain the present invention and improvement thereof in more detail referring to accompanying drawing.Respectively illustrate following schematic diagram:
Fig. 1 has gone out the exemplary embodiment of domestic bowl-washing of the present invention with schematic side illustration;
Fig. 2 shows the detailed view of dish-washing machine of the present invention;
Fig. 3 shows the sequential chart of normal washing process of the dish-washing machine of prior art; And
Fig. 4 shows the typical sequential of the normal washing process of dish-washing machine of the present invention.
The specific embodiment
In Fig. 1-4, the element with identical function and operator scheme is represented with identical Reference numeral respectively.
Fig. 1 has gone out an exemplary embodiment of domestic bowl-washing 1 of the present invention with schematic side illustration, wherein only shows and has marked understanding those important members of the present invention with Reference numeral.Dish-washing machine 1 has washing container 2, and described washing container 2 can be made to produce to be used for the wash compartment 4 of washing articles especially for the sealing of wash dining set by door 3 sealings.In Fig. 1, door 3 illustrates with its detent position.Door 3 can move to open position around pivoting with the rectangular axis of drawing by making it, at open position, and door approximate horizontal orientation, and make and can load or remove tableware.
Dish-washing machine 1 has last plate-basket 5 and the following plate-basket 6 that is used to locate plate.Last plate-basket 5 is arranged on flexible rail in this case or skids off on the rail 7, and described flexible rail or slip rail 7 correspondingly are attached on the sidewall of washing container 2 respectively.When door 3 was opened, plate-basket 5 can shift out from washing container 2 by means of pulling out rail or skidding off rail 7, and this is convenient to last plate-basket 5 is carried out loading or unloading.Following plate-basket 6 is arranged on flexible rail in a similar fashion or skids off on the rail 8.
The capacity of dish-washing machine 1 is especially predetermined by the structural design of washing container 2 and plate-basket 5,6.Under the wide situation of 60cm, dish-washing machine of the present invention can hold 12-14 standard usually and place lattice, under the wide situation of 45cm, has 6-7 standard usually and places lattice.
Dish-washing machine 1 also comprises the feedway 9 that is used for fresh water FW, and described feedway 9 is implemented to the inside that makes the fresh water of supplying with from the outside can reach wash compartment 4 in a controlled manner.The fresh water FW of Gong Geiing is collected in the collecting pit 10 as cleaning solution 5 owing to its gravity in a controlled manner, and described collecting pit forms the latter half of washing container 2.Collecting pit 10 is connected to circulating pump 11 in this case, and cleaning solution 5 can pump out collecting pit 10 and arrive water switch 13 via heater 12 in the cycle stage of washing process by means of circulating pump 11.If desired, heater is a member of circulating pump 11, and particularly it can be integrated in the circulating pump.
For the washings S that no longer needs is removed from washing container 2, be provided with emptying pump 17, described emptying pump is connected to collecting pit 10 and waste water jockey 18.Therefore, can by means of emptying pump 17 in the pumping stage of washing process with washings S as waste water A W pumping walk.In order to make washings S have for example cleaning agent of cleaning agent and/or cleaning additive, also be provided with distributor 19.
Collecting pit 10 is equipped with filter system 20, even described filter system 20 is implemented to and makes the bigger object that may damage or stop up circulating pump 11, emptying pump 17 and/or their supply and discharge pipe for example bone, toothpick and/or tableware article drop out and rest on the bottom 21 of washing container 2 from plate-basket 5,6 and also can be retained in the wash compartment 4.And, filter system 20 is implemented to: when circulating pump 11 is connected, the circular flow that is conducted through the cleaning solution S of filter system 20 is cleaned by stopping the foul in the circular flow that is included in cleaning solution S, turns back to article to be washed and prevents to pollute cleaning solution reservoir 16 to prevent foul.Filter system 20 also is implemented to the booty that is prevented from can be pumped out via waste water jockey 18 by connecting emptying pump 17.
Dish-washing machine 1 also has control device 22, described control device 22 is arranged in the zone of door 3 control panel, and described control device is connected to feedway 9, circulating pump 11, heater 12, water dispenser 13, cleaning solution reservoir 16, emptying pump 17 and distributor 19 in order to control purpose.Control device 22 especially is implemented to the sequence of controlling washing process according to washing procedure automatically in this case.If desired, control device 22 also can be arranged on the another position in the dish-washing machine, for example in its bottom module of dish-washing machine 2 belows.
Fig. 2 shows the detailed view of the dish-washing machine of the present invention of Fig. 1.In this case, being arranged on collecting pit 10 in the bottom 21 of washing container and filter system 20 illustrates with Section View.
Filter system has first fine filtrator 23, and described fine filtrator is implemented with drum, and its axis is with the stand up position setting.The downside of cylindrical shape fine filtrator 23 is positioned on the upside of bottom 24 of collecting pit 10.The cylindrical shape fine filtrator extends up to the upside of filter system 20 in this case.
The filter surfaces of cylindrical shape micro-filter 28 is designed to compare with the situation of traditional dish-washing machine in this case has only obviously that relatively large dirt just can cause micro-filter to stop up.In this way, the dirt of reservation needs obviously less to remove from filter system 20.
Dirt carries out from similarly may removing in the pumping stage of filter system 20, and in the described pumping stage, pump flow AS produces by connecting emptying pump, to pump out cleaning solution S.The stream AS1 of first of pump flow AS is conducted through cylindrical shape micro-filter 28 and cylindrical shape fine filtrator 23 in this case, wherein, the direction of the stream AS1 of first of pump flow AS is opposite with the flow direction of the stream US1 of first of circular flow, this is because the stream AS1 of first is sucked from the outside, is especially radially inwardly sucked under its suction pattern by means of emptying pump 17.By loosening, and those dirt particles that are similar on the bottom of collecting pit 10 are outwards taken away by means of pump flow AS attached to the dirt of the inboard of the inboard of cylindrical shape micro-filter 28 and fine filtrator tube 23.
Be also referred to as collection chamber 30 by micro-filter tube area surrounded.Compare with traditional dish-washing machine of similar capacity, be similar to the filter surfaces of micro-filter tube 23, the volume of this collection chamber 30 is obviously bigger.Even this makes the operating characteristics of filter system also can be maintained under the situation that has deposited a large amount of dirts owing to cleaning solution S.
The space that is positioned at outside the micro-filter tube in the collecting pit 10 is also referred to as circulation chamber 31.Circulation chamber 31 is directly connected to the wash compartment that is arranged on filter system 20 tops via another fine filtrator 32 that roughly is implemented as flat condition.The fine filtrator 32 of flat condition make the first stream AS1 of pump flow AS in the pumping pattern of emptying pump can from circulation chamber 31 from outside, especially radially inwardly enter or flow into the collecting pit 10.The fine filtrator 32 of flat condition has through hole 33 in this case, makes to prevent that dirt from entering in the circulation chamber 31 under the situation.
The fine filtrator 32 of flat condition also makes the second portion stream US2 of circular flow US to be directed into the circulation compartment 31 from wash compartment.At this, prevent that widely too many dirt from entering circulation chamber 31.When from inside to outside watching, only the first of circular flow US stream US1 advances by the coarse filter 34 of setting placed in the middle, fine filtrator 27 and the micro-filter tube 28 by being provided with one heart around fine filtrator by centrally being provided with and being radially spaced with coarse filter, this can produce stronger circular flow US, thereby the cleaning action of dish-washing machine is had positive impact.Compare with suitable existing dish-washing machine, the fine filtrator 32 of flat condition is implemented greatlyyer, thereby the second portion of the first of pump flow AS stream AS1 and circular flow stream US2 can or can not be subjected to being deposited on the influence of foreign matter of upside of the fine filtrator 32 of flat condition hardly.If desired, especially can be enough to save fine filtrator 27, and only provide coarse filter that the filter 32 with flat condition uses and with micro-filter 28 in the coarse filter spaced apart setting in the outside.
Because size and the object can not pumping walked enters in the collection chamber 30 roughly is provided with a coarse filter at the center of filter system 20, described coarse filter has upper curtate 35 and lower curtate 36 in order to prevent.Coarse filter 34 is implemented in this case as the setting of right circular cylinder body.This upper curtate 35 extends in the wash compartment of dish-washing machine in this case, makes the larger object that is washed out from the side by cleaning solution S be maintained at its outside.The object that directly falls into the inside of coarse filter tube 34 from the top is being seen that overlapping rib 37 catches.They are arranged at this moment collects compartment 30 but the structure of coarse filter tube 34 prevents that they are along with the stream US1 of first of circular flow US moves or along with the second portion stream AS2 of pump flow AS moves along the direction of emptying pump 17 along the direction of fine filtrator 23.
Fig. 3 shows the time series A of washing process, and described time series provides in standard dishwasher, is used for the conventional tableware that pollutes of maximum load washing.There is shown the temperature T of the washing process of the course of t in time and the water of dish-washing machine and supply with WH.Time series A carries out with following order: pre-wash process VG, cleaning course RG, middle washing process ZG, flushing process KG and drying course TG.Pre-wash process VG and cleaning course RG form the cleaning stage RP of washing process RP in this case.
When the pre-wash process began, the fresh water of specified quantitative at first was inhaled into by dish-washing machine.This represents with the curve WH that is positioned at above the zero line in Fig. 3.This fresh water circulates as cleaning solution in pre-wash process VG at low temperatures.In this process, cleaning solution absorbs attached to the dirt on the article to be washed.Cleaning solution is guided the filter system by dish-washing machine in this case continuously, makes that the major part of dirt is prevented from least.When the pre-wash process finished, the cleaning solution of existence was walked by pumping wholly or in part by connecting emptying pump, and this is shown as curve WH and extends to below the zero line at this moment in Fig. 3.In pumping out the process of cleaning solution, as explaining referring to Fig. 2, filter system discharges dirt, finishes up to cleaning stage RP.
When the cleaning course RG subsequently began, fresh water was inhaled into once more.Usually, fresh water is supplied to cleaning agent in cleaning course RG.The cleaning solution that exist this moment is recycled, and makes it be conducted through filter system in cleaning course.When cleaning solution was conducted through filter system, it was heated in heating period HRG.When the temperature of cleaning solution had reached predetermined value TRG, heating period HRG finished.Begin to carry out back washing stage NRG this moment, in the washing stage of described back, cleaning solution continues circulation.When passing through certain period of time, back washing stage NRG finishes, and the cleaning solution of cleaning course is pumped out.Therefore, in the dish-washing machine of traditional standard, filter system discharges twice of dirt in cleaning stage RP.
When the middle washing process ZG subsequently began, fresh water was inhaled into once more, and it is recycled scheduled time slot then, so that remove the cleaning agent residue from article to be washed.When middle washing process ZG finished, this cleaning solution was pumped out equally.If desired, also can save this centre washing.
In rinse stage KG, fresh water is initially sucked once more, is heated then, up to reaching desired temperatures TKG.The employed cleaning solution that is typically provided with irrigation of flushing process stops in this case on the tableware that has been cleaned and forms spot.The heating of cleaning solution is used to add the purpose of hot tableware in this case.When flushing process finished, cleaning solution was pumped away once more.
In drying course TG subsequently, produce evaporation owing to the high temperature of tableware attached to the water on the tableware.At the fixed time, the whole time series A of drying course and then washing process finishes.
Compare, Fig. 4 shows the improved time series A1 ' of the washing process under the situation of dish-washing machine of the present invention, and for the identical load and the pollution of same degree, it produces suitable cleaning effect with lower water consumption and energy consumption.This improved cleaning stage RP ' only has cleaning course RG ' in this case.Saved the pre-wash process.When washing process began, the cleaning solution that is pumped in last washing process in the cleaning solution reservoir was introduced in the wash compartment.In this way, needn't when beginning, cleaning stage RG ' suck fresh water.Therefore, curve WH ' extends along zero line.
The heating period HRG of cleaning stage RG ' carries out without any special with revising.Compare, back washing stage NRG ' subsequently compares with above-mentioned back washing stage NRG and is extended.This is used to prevent owing to saving of pre-wash stage makes the cleaning effect of cleaning stage RP ' reduce.Yet, in this case, also can prolong the duration of back washing stage NRG ' so that the total duration of cleaning stage RP ' is corresponding with total duration of traditional cleaning stage RP (comprising pre-wash VG and cleaning course RG), but lack than it.Reason is that the mean temperature among the cleaning stage RP ' is higher than the mean temperature among the cleaning stage RP, and this makes that the thermal cleaning effect of unit interval is bigger.Generally, circulation timei be circulating pump time that must be switched in cleaning stage RP ' than little in cleaning stage RP, this has saved energy.Further the energy saving is because emptying pump also only needs to connect once in cleaning stage.Because the size Selection of filter system of the present invention, therefore, only discharge dirt in improved cleaning stage RP ' middle filtrator system and once can't produce any problem.
When the middle washing process WG ' subsequently began, new fresh water was inhaled in known manner.Yet the cleaning solution of improved middle washing process WG ' is not pumped out when middle washing process ZG ' finishes, but is pumped in the cleaning solution reservoir.This cleaning solution can be used for cleaning stage then in washing process afterwards.
If desired, also can save this centre washing step.Carry out in the time of can finishing at rinsing step subsequently filled this moment of cleaning solution reservoir.
Flushing process KG and drying course TG carry out then as previously mentioned.Compare with the time series A of Fig. 3, the time series A ' of Fig. 4 obviously can reduce by half water consumption by dish-washing machine of the present invention.In the example of Fig. 3, fresh water must be inhaled into 4 times altogether, and it is just enough to suck twice fresh water under the situation of the time series A ' of Fig. 4.If for example each washing process need suck 4 premium on currency, 8 liters of fresh waters have altogether been saved.In addition, in this case,, can obviously save electric weight, and can not damage the cleaning result owing to the circulating pump time that has shortened among the cleaning stage RP '.In addition, the shortening of total duration of washing process is favourable in many cases.
In a word, can determine that dish-washing machine of the present invention has " bypass " filter system, compare that described filter system is bigger with respect to the dish-washing machine load capacity with the situation of standard dishwasher.This makes it possible to save independent part washing process, for example pre-wash process, and this has reduced energy consumption.By given size Selection, the frequency of the cleaning and filtering system of Fa Shenging can realize in this case, and can not cause any problem." bypass " filter system of dish-washing machine has two fluid streams, and one of them is conducted through micro-filter, and another can be conducted through the filter of described flat condition.The surface of micro-filter especially reaches every standard placement lattice and is higher than 14cm
2, wherein, the percentage that micro-filter allows to pass through is preferably 35%-45%, and the mesh width of micro-filter can be between 150 μ m-250 μ m.
The coarse filter that this filter system especially comprises setting placed in the middle for example 34, concentric ring is around coarse filter and the spaced radial micro-filter that is provided with for example 28 of turning up the soil, and wherein, for example outside filter by flat condition of coarse filter and micro-filter for example 32 surrounds.At this, in the exemplary embodiment, the filter plane aspect that is nested in of coarse filter and micro-filter is similar to location centrally.Coarse filter and micro-filter generally perpendicularly are provided with in this case, and the filter of flat condition is along the position plane setting of level of approximation.It has from the outside to the inboard surface that descends towards coarse filter.In this way, when circulating pump was operated, filter system provided two flow paths for cleaning solution.First flow path by medially be arranged on collection chamber for example the coarse filter in 30, enter into circulation chamber for example 31 and arrive circulating pump therefrom by micro-filter around the outside of coarse filter.Second flow path directly reaches in the circulation chamber by the filter of flat condition, and this is provided with corresponding with " bypass ", i.e. bridge joint, the especially coarse filter of series connection setting and the nested, concentric of micro-filter.
If desired, first fine filtrator for example 27 can be located between coarse filter and the micro-filter, and the mesh of described first fine filtrator is implemented to big, littler than the coarse filter than micro-filter.
Compare with the situation of common standard dish-washing machine, place lattice for each standard, filter system, especially the total surface of micro-filter increases, this especially can save pre-wash and the common replacing of the cleaning solution followed when the pre-wash process finishes.This has saved water and energy.At this moment, for example, especially after finishing, the pre-wash process no longer need pump out dirty cleaning solution by means of emptying pump.This expansion of filter surfaces makes it possible to guarantee have in cyclic process middle filtrator system enough through-flow, and has avoided the unallowed obstruction of each filter widely.
In order to reduce energy consumption, filter system is advantageously by a certain amount of contaminants design, described amount of contaminants in cleaning stage with pre-wash process and cleaning course, under the situation of standard dishwasher program and the standard of than the dish-washing machine practical operation time, being loaded place standard that the lattice number Duo and place lattice and for example produce under the situation of 14 standard placement lattice, that is to say that dish-washing machine is being placed under the low standard placement lattice of lattice number, for example operated under 10 standards placement lattice than the standard corresponding with the size of filter system.Especially the size bigger than normal on the surface of filter system can be eliminated owing to omit the increase of the dirt load that pre-wash process in the cleaning stage and final pumping process thereof cause, and can not cause any problem.In this way, can avoid the too severe obstruction of dirt particle to filter system widely, described obstruction meeting circulates the too big adverse effect of generation to cleaning solution by circulating pump.Especially, the size on the surface of filter system is bigger than normal, makes it is that the increase of the dirt load by saving the cleaning solution that the pre-wash that has the process of pumping subsequently causes can solve by filter system at least.Can save energy by such optimization filter system.
The further reduction of the energy of dish-washing machine and water consumption can realize by using the cleaning solution reservoir in addition.
. reference numerals list
1 dish-washing machine
2 washing containers
3
4 wash compartment
Plate-basket on 5
6 times plate-baskets
7 flexible rails
8 flexible rails
9 fresh water feedwaies
10 collecting pits
11 circulating pumps
12 heaters
13 water switch
Spray arm on 14
15 times spray arms
16 cleaning solution reservoirs
17 emptying pumps
18 waste water jockeys
19 distributors
20 filter systems
The bottom of 21 washing containers
22 control device
23 cylindrical shape fine filtrators
The bottom of 24 collecting pits
The connection of 25 circulating pumps
26 are used for the connection of emptying pump
The through hole of 27 cylindrical shape fine filtrators
28 cylindrical shape micro-filters
The through hole of 29 cylindrical shape micro-filters
30 collection chamber
31 circulation chambers
32 flat condition fine filtrators
The through hole of 33 flat condition fine filtrators
34 coarse filters
35 upper curtates
36 lower curtates
37 ribs
AW waste water
The FW fresh water
The S cleaning solution
The US circular flow
The AS pump flow
D1 fine filtrator diameter
D2 micro-filter diameter
D3 coarse filter diameter
The RP cleaning stage
VG precleaning process
The RG cleaning course
Washing process in the middle of the ZG
The KG flushing process
The TG drying course
The heating period of HRG drying course
The back washing stage of NRG cleaning course
The temperature of T washing process
WH water is supplied with
The maximum temperature of TRG cleaning course
The maximum temperature of TKG flushing process
Claims (14)
1. a dish-washing machine, especially domestic bowl-washing (1) have: wash compartment (4), and the standard of specific quantity is placed lattice and can be loaded in the described wash compartment; And filter system (20), described filter system has micro-filter (28), described micro-filter is used for filtering out small dirt from the cleaning solution as circular flow (US) that the operating process at circulating pump (11) circulates, wherein, in the operating process of circulating pump (11), first's stream (US1) of circular flow (US) flows through micro-filter (28), the second portion stream (US2) of circular flow (US) is directed from the other process of micro-filter (28), it is characterized in that, place lattice for each standard that provides, micro-filter (28) has 14cm at least
2, 28cm at the most
2Filter surfaces, especially have 16cm at least
2, 26cm at the most
2Filter surfaces, and particularly preferably have 18cm at least
2, 24cm at the most
2Filter surfaces.
2. dish-washing machine as claimed in claim 1 is characterized in that, micro-filter (28) has the through hole (29) that is used for cleaning solution (S), and described through hole has 0.025mm at least
2, 0.06mm at the most
2Cross section, especially have 0.03mm at least
2, 0.05mm at the most
2Cross section, particularly preferably have 0.035mm at least
2, 0.045mm at the most
2Cross section.
3. as arbitrary described dish-washing machine in the claim of front, it is characterized in that, the ratio of the total surface area of the through hole (29) of micro-filter (28) and the total filter surface area of micro-filter (28) is at least 25%, at the most 50%, particularly at least 30%, at the most 45%, especially preferably at least 35%, at the most 40%.
4. as arbitrary described dish-washing machine in the claim of front, it is characterized in that, in the operating process of emptying pump (17), at least the first of pump flow (AS) stream (AS1) is by micro-filter (2), wherein, the flow direction of the first of pump flow (AS) stream (AS1) is opposite with the flow direction of first's stream (US1) of circular flow (US).
5. as arbitrary described dish-washing machine in the claim of front, it is characterized in that micro-filter (28) is arranged between circulation chamber (31) and the collection chamber (30).
6. as arbitrary described dish-washing machine in the claim of front, it is characterized in that, filter system (20) has fine filtrator (23), described fine filtrator is arranged on the upstream of micro-filter (28) with respect to first's stream (US1) of circular flow (US), wherein, fine filtrator (23) has at least the same big filter surfaces of filter surfaces with micro-filter (28).
7. dish-washing machine as claimed in claim 6 is characterized in that, fine filtrator (23) is the fine filtrator tube (23) that is provided with stand up position, and described fine filtrator tube and micro-filter tube (28) are provided with one heart.
8. as arbitrary described dish-washing machine in the claim of front, it is characterized in that micro-filter (28) is the micro-filter tube (28) that is provided with stand up position.
9. as arbitrary described dish-washing machine in the claim of front, it is characterized in that, filter system (20) comprises another fine filtrator (32), and the second portion stream (US2) of the circular flow (US) in the first's stream (AS1) of the pump flow (AS) in the operating process of emptying pump (17) and/or the operation of circulating pump (11) is directed to the circulation chamber (31) from wash compartment (4) by described another fine filtrator.
10. dish-washing machine as claimed in claim 9 is characterized in that, described another fine filtrator (31) is implemented as the filter (32) of flat condition, and the filter of described flat condition is arranged in the bottom (21) of wash compartment (4).
11. as arbitrary described dish-washing machine in the claim of front, it is characterized in that, filter system (20) comprises coarse filter (34), first's stream (US1) of the circular flow (US) in the second portion stream (AS2) of the pump flow (AS) in the operating process of emptying pump (17) and/or the operating process of circulating pump (11) is directed to the collection chamber (30) from wash compartment (4) by described coarse filter, wherein, coarse filter (34) is implemented to stop owing to size and can not be pumped the object that stream pumps out.
12. dish-washing machine as claimed in claim 11 is characterized in that, coarse filter (34) is the coarse filter tube (34) that is provided with stand up position.
13., it is characterized in that it is provided with cleaning solution reservoir (16) as arbitrary described dish-washing machine in the claim of front, described cleaning solution reservoir is implemented to and is used for temporarily keeping cleaning solution (S).
14. as arbitrary described dish-washing machine in the claim of front, it is characterized in that cleaning solution reservoir (16) is provided for and receives cleaning solution (S) and distribute cleaning solution (S) when the middle washing process (ZG) of washing process and/or flushing process (KG) finish when cleaning stage (RP) beginning of afterwards washing process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009027910.5 | 2009-07-22 | ||
| DE102009027910A DE102009027910A1 (en) | 2009-07-22 | 2009-07-22 | Dishwasher with an optimized sieve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101961237A true CN101961237A (en) | 2011-02-02 |
Family
ID=42830333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102352191A Pending CN101961237A (en) | 2009-07-22 | 2010-07-22 | Dish-washing machine with filter system of optimization |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2277430B1 (en) |
| CN (1) | CN101961237A (en) |
| DE (1) | DE102009027910A1 (en) |
| ES (1) | ES2387956T3 (en) |
| PL (1) | PL2277430T3 (en) |
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| CN103547205A (en) * | 2011-04-29 | 2014-01-29 | 伊莱克斯家用产品公司 | Filter |
| CN111743487A (en) * | 2019-03-28 | 2020-10-09 | 博西华电器（江苏）有限公司 | dishwasher |
| US10905306B2 (en) | 2017-03-10 | 2021-02-02 | Continental Clean Tech Limited | Dish washing machine |
| CN112543611A (en) * | 2019-02-08 | 2021-03-23 | 青岛海尔洗碗机有限公司 | Method for determining an operating mode of a dishwasher appliance fluid circulation system |
| US20210369076A1 (en) * | 2020-05-29 | 2021-12-02 | Ecolab Usa Inc. | Automated cleaning machine processing using shortened cycle times |
| US11297997B2 (en) | 2018-04-04 | 2022-04-12 | K.D.W. Company Limited | Dish washing machine with heat exchangers |
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|---|---|---|---|---|
| CN103547205A (en) * | 2011-04-29 | 2014-01-29 | 伊莱克斯家用产品公司 | Filter |
| CN103547205B (en) * | 2011-04-29 | 2016-06-01 | 伊莱克斯家用产品公司 | Filter |
| US10905306B2 (en) | 2017-03-10 | 2021-02-02 | Continental Clean Tech Limited | Dish washing machine |
| US11297997B2 (en) | 2018-04-04 | 2022-04-12 | K.D.W. Company Limited | Dish washing machine with heat exchangers |
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| US11805963B2 (en) | 2018-04-04 | 2023-11-07 | Kdw Company Limited | Dish washing machine with heat exchangers |
| CN112543611A (en) * | 2019-02-08 | 2021-03-23 | 青岛海尔洗碗机有限公司 | Method for determining an operating mode of a dishwasher appliance fluid circulation system |
| CN111743487A (en) * | 2019-03-28 | 2020-10-09 | 博西华电器（江苏）有限公司 | dishwasher |
| CN111743487B (en) * | 2019-03-28 | 2024-02-02 | 博西华电器（江苏）有限公司 | dishwasher |
| US12495947B2 (en) | 2019-09-12 | 2025-12-16 | Ecolab Usa Inc. | Control of cleaning machine cycles using machine vision |
| US11627861B2 (en) | 2019-09-12 | 2023-04-18 | Ecolab Usa Inc. | Control of cleaning machine cycles using machine vision |
| US12133619B2 (en) | 2019-12-03 | 2024-11-05 | Ecolab Usa Inc. | Verification of cleaning process efficacy |
| US11889963B2 (en) * | 2020-05-29 | 2024-02-06 | Ecolab Usa Inc. | Automated cleaning machine processing using shortened cycle times |
| US12419485B2 (en) | 2020-05-29 | 2025-09-23 | Ecolab Usa Inc. | Automated cleaning machine processing using shortened cycle times |
| US20210369076A1 (en) * | 2020-05-29 | 2021-12-02 | Ecolab Usa Inc. | Automated cleaning machine processing using shortened cycle times |
| US12207776B2 (en) | 2020-09-25 | 2025-01-28 | Ecolab Usa Inc. | Machine learning classification or scoring of cleaning outcomes in cleaning machines |
| US11666198B2 (en) | 2020-10-02 | 2023-06-06 | Ecolab Usa Inc. | Monitoring and control of thermal sanitization in automated cleaning machines |
| US12465190B2 (en) | 2020-10-02 | 2025-11-11 | Ecolab Usa Inc. | Monitoring and control of thermal sanitization in automated cleaning machines |
| US12226065B2 (en) | 2022-03-17 | 2025-02-18 | K.D.W. Company Limited | Dish washing machine with heat exchangers |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2277430B1 (en) | 2012-07-04 |
| DE102009027910A1 (en) | 2011-01-27 |
| ES2387956T3 (en) | 2012-10-04 |
| EP2277430A1 (en) | 2011-01-26 |
| PL2277430T3 (en) | 2012-11-30 |
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Application publication date: 20110202 |