CN105463813A - Method for operating a washing and drying machine with protection against thermal shock and clothes dryer suitable for said method - Google Patents
Method for operating a washing and drying machine with protection against thermal shock and clothes dryer suitable for said method Download PDFInfo
- Publication number
- CN105463813A CN105463813A CN201510834400.7A CN201510834400A CN105463813A CN 105463813 A CN105463813 A CN 105463813A CN 201510834400 A CN201510834400 A CN 201510834400A CN 105463813 A CN105463813 A CN 105463813A
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- China
- Prior art keywords
- temperature
- plant air
- scrubbing
- glass door
- washing
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/32—Temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/36—Flow or velocity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/38—Time, e.g. duration
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/40—Opening or locking status of doors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/16—Air properties
- D06F2105/24—Flow or velocity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/30—Blowers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/76—Preventing or reducing imbalance or noise
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/26—Condition of the drying air, e.g. air humidity or temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/28—Doors; Security means therefor
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Cleaning In General (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a method for operating a washer-dryer, wherein the washing dryer includes: a washing tub 1; a rotatably mounted drum in the tub 2 with a closable glass door 22, the drum 2 is used for receiving and removal of laundry 3 in open glass door 22; a controller 18 and a process air duct 5, in which a heater 7 for heating air, a fan 6, and at least one temperature sensor 14, 15, 16 are for measuring a temperature Tpc comprises; comprising the steps of: (a) measuring a temperature Tpc 1 in the process air channel 5 with the at least one temperature sensor 14, 15, 16; (B) performing a cooling program with the process air in the event that Tpc 1> = Tpc lim wherein Tpc lim is an upper limit temperature of the process air, wherein the cooling program is continued, reaches to a predetermined temperature Tpc set <= Tpc lim is; and (c) performing a wash cycle. The invention also relates to a container suitable for carrying out this process washer dryer.
Description
Technical field
The present invention relates to and a kind ofly prevent the scrubbing-and-drying unit operation method of temperature shock and be applicable to this scrubbing-and-drying unit.The invention particularly relates to a kind of method for running scrubbing-and-drying unit, wherein, this scrubbing-and-drying unit has washing container, cylinder, control device and plant air passage, described cylinder can be rotated to support in washing container, described cylinder is with closable glass door, wherein, this cylinder in order to load and to take out by washing member, adds the heater of hot-air, air blast and at least one measuring tempeature T when glass door is opened
pctemperature sensor be in described plant air passage.The invention still further relates to a kind of such scrubbing-and-drying unit.
Background technology
Scrubbing-and-drying unit is popular, and reason is that the function of washing machine and drying machine is combined on unique electrical equipment by the mode of saving position.In addition, scrubbing-and-drying unit is provided with water swivel, makes water not only can be used for washing by washing member, but also can process further for by washing member.
But, very different temperature may be there is when scrubbing-and-drying unit runs.Especially, when drying and washing flow alternately changes fast, may replace due to the unexpected temperature of at this moment carrying out, making the assembly of use in scrubbing-and-drying unit and material bear load.Variations in temperature within the short time interval in scrubbing-and-drying unit is very violent, and especially when having carried out drying procedure above, then when cooling with cold running water, this is especially a problem.Therefore, enough large temperature shock intensity is important for scrubbing-and-drying unit.For the glass door (also known as " entrance door ") of scrubbing-and-drying unit, particularly so, in the cylinder being passed through described glass door loading scrubbing-and-drying unit by washing member to be processed.Therefore, maximum temperature impact strength to be noted when scrubbing-and-drying unit runs.Here temperature shock intensity is possible maximum temperature difference, does not burst as glass during temperature shock in the described maximum temperature difference of applying.
Recent people consider to improve the bake out temperature in dryer and scrubbing-and-drying unit, so that can be carried out more rapidly by the drying and processing of washing member humidity.
But, when there is fast transition between the drying and processing carried out at the plant air high by temperature and the carrying out washing treatment of carrying out with cold water, at this moment the temperature difference occurred is 100 Kelvins (Kelvin) or higher, and the soda-lime glass being generally used for corresponding entrance door is unrenewable.This can be made up by application Pyrex.But its cost is very high.
Surface temperature high on scrubbing-and-drying unit also may form danger to user.In order to ensure the scrubbing-and-drying unit surface temperature allowed at protection scrubbing-and-drying unit customer-side; when scrubbing-and-drying unit runs; that is when entrance door is in closed condition, user oriented door glass outer side is often with the additional sheet protection that glass or plastics are made.If cold water may arrive outside entrance door, then except prevent surface temperature too high except, especially also to prevent the temperature shock that cold water causes.
But especially the cold water arrived inside glass door may cause temperature shock.Such as, begin through immediately or during this period after drying and processing and introduce cold water to carry out washing procedure be exactly like this.At this moment cold water may spray to glass door from inside, or is sent to glass door by by washing member from washing container lower area.
EP2636788Al describes a kind of scrubbing-and-drying unit, comprising: make the cylinder moved by washing member; Be arranged on the openable glass pane before cylinder; The blasting unit of air is dried in conveying; Make the unit that dries of the oven dry dehumidification leaving cylinder; Heating is dried and is dried the heating unit of air; First air duct, it is with the first air outlet slit in this cylinder rear end open, in order to blast cylinder drying air; Second air duct, with the second air outlet slit in this cylinder open-front, in order to blast this cylinder drying air; The air duct switch unit optionally switched between this first and second air duct; Ask for the temperature detecting unit of glass pane temperature; And regulon, wherein, this regulon regulates in this wise, and make when the testing result of temperature detecting unit reaches predetermined first temperature, air duct switch unit optionally switches between the first air duct and the second air duct.Should reach whereby in cylinder and can as one man be dried by washing member.This oven dry air is roused to glass pane in a preferred embodiment.
In addition, EP2636788Al describes like this, namely after drying and processing, dry by washing member can from dryer take out before, the glass door with high temperature must be cooled.A kind of cooling processing of known execution for this reason, to cool glass pane.Make the following operation of scrubbing-and-drying unit become possibility according to EP2636788Al, wherein, can dry by washing member, and simultaneously the temperature of glass pane is controlled can not feel for maintenance user the predetermined temperature that glass is too warm.
CN1521313A describes a kind of scrubbing-and-drying unit with guiding tube, and described guiding tube guides the plant air of heat like this, makes it directly not contact with the glass door of scrubbing-and-drying unit.Should prevent glass door from damaging because unexpected temperature replaces with this, and prevent the user of scrubbing-and-drying unit to be burned.
DE102012207742Al describes a kind of operation method of dryer, with programme-control; For to dry by the cylinder of washing member; Plant air passage, the plant air air blast of delivery technology air and the heater of heating process air are arranged in described plant air passage, and with the variable CD-ROM drive motor of the revolution of a head roll and plant air air blast; Wherein the method comprises heating period, accurate static baking stage and cooling stage, and wherein, the CD-ROM drive motor that revolution is variable in the baking stage that standard is static is with middle revolution α
1run, this plant air air blast is with middle revolution ω
1run, and the CD-ROM drive motor that revolution is variable during cooling stage is less than α with one at least provisionally
1α
2revolution runs, and this plant air air blast is with revolution ω
1run.The method is preferably run be no more than the maximum allowable temperature T of plant air
max.
Summary of the invention
In this context, task of the present invention is, provides a kind of scrubbing-and-drying unit operation method preventing temperature shock better.Preferably should realize preventing scrubbing-and-drying unit glass door from damaging due to too high temperature shock.In addition, this task discloses a kind of scrubbing-and-drying unit being applicable to this.
As the task on basis of the present invention by solving according to the method for corresponding independent claims and scrubbing-and-drying unit.The preferred configuration of the present invention is mentioned in each dependent claims.The preferred configuration of method according to the present invention corresponds to according to scrubbing-and-drying unit of the present invention, even if do not point out separately separately here.
Therefore, theme of the present invention is the operation method of scrubbing-and-drying unit, wherein, this scrubbing-and-drying unit has washing container, the cylinder, control device and the plant air passage that can be rotated to support in washing container with closable glass door, wherein, this cylinder is used for receiving when glass door is opened and taking out by washing member, adds the heater of hot-air, air blast and at least one measuring tempeature T
pctemperature sensor be in described plant air passage, the method comprising the steps of:
A () uses at least one temperature sensor, such as temperature sensor T1, T2 and/or T3 measures the temperature T in plant air passage
pc 1;
B () is for T
pc 1>=T
pc limsituation, carry out cooling program with this plant air, wherein T
pc limbe ceiling temperature, wherein, this cooling program carries out until reach a default temperature T
pc set≤ T
pc limtill; With
C () performs washing procedure.
Work as T
pc 1>=T
pc limtime, preferably perform this cooling program in step (b).
When this temperature sensor is set directly on glass door or be arranged on from its nearest surrounding, the temperature of glass door directly can be measured.But, also can utilize arrange from glass door significantly away from temperature sensor.Under these circumstances before measuring, a time period Δ t connected by the air blast of this plant air
blow, to impel along plant air channel temperature balance, and ensure that temperature sensor provides one to have distinctive signal to the temperature of glass door by this way.At this, this time period Δ t
blowthe length of one minute can be no more than, especially be substantially equal to 30 seconds.
If the temperature sensor T3 be directly fixed on this glass door with measures the temperature of this glass door, then there is directly suitable measured value available at any time, to determine the cooling step that whether must carry out adding.If this corresponding temperature sensor T1 or T2 is not directly on glass door, then indirectly can determine the temperature of this glass door, method runs short time period detecting plant air air blast before measured value, and the described time period especially continues to be less than one minute, preferably roughly 30 seconds.The process air temperature of being surveyed by temperature sensor (such as T1 or T2) thus, advantageously in plant air passage, realizes uniform Temperature Distribution, so that can be considered as the representational numerical value of glass door temperature.
Ceiling temperature T
pc limaccording to the impact temperature Δ T corresponding to the material of glass door
shockselected.At this, people especially consider to expect minimum inflow temperature, in a public water supply network, therefore consider the fresh water temperature T expected cold season
w-min.This temperature T
w-min, such as, may be prescribed as 3 DEG C in Central Europe.At this moment can install as T
pc lim=T
w-min+ Δ T
shock.As an alternative, at concrete in particular cases operational fresh water temperature T
aqby means of the temperature sensor measurement correspondingly arranged, at this moment can also be defined as T to the conclusive ceiling temperature of these special circumstances
pc lim=T
aq+ Δ T
shock.
Preferred a kind of so method, wherein, cooling program comprises plant air is directed across a heat exchanger be arranged in scrubbing-and-drying unit.
According to the present invention, as long as reach the object effectively cooling this plant air therefore cooled glass door, this cooling program is unrestricted.That is, in the method according to the invention, especially temperature T is being met or exceeded
pc limwhen cool this plant air.Cooled glass door can be realized by applying cooled plant air.Generally realize cooled glass door not according to following mode according to the present invention, namely change and introduce plant air (described by EP2636788Al) in one or more plant air passage.Especially according to plant air of the present invention, also not by cooling with by the contact of washing member, to carry out cooled glass door with the plant air of cooling like this.The type of cooling program and configuration generally depend on have any device for process for cooling air available in scrubbing-and-drying unit.In addition, the type of cooling program and configuration generally depend on the water of washing by what approach is arrived washing container from water system, and especially whether water can contact with glass door on this path.
For the situation that there is condensation liquid bath or condensate tank in scrubbing-and-drying unit, can consider with comprising condensate liquid cool too hot plant air, its mode is that the plant air of this heat is contacted with condensate liquid, to carry out heat exchange.This and then can impel by way of parenthesis and take away heat of evaporation by the evaporation of condensate liquid.
In a preferred form of implementation, this cooling program comprises makes the plant air of heat contact with the water from the flusher for the heat exchanger in scrubbing-and-drying unit.
In another preferred embodiment, this cooling program being used for plant air comprise make the plant air of heat with from the contact of the water of water system.
In the end in these two embodiments preferably, should the water yield M that use in this cooling program
cto flow in washing container and the described water yield is chosen as and this water yield is less than in washing container, make the lower end of this cylinder be immersed in the water required water yield M
b.
But, the water arrived in washing container and cylinder is just advantageously being heated by water in the embodiment that cooling medium uses and is reducing the risk of high-temperature impact like this.
In addition preferably, the water from flusher and/or water system heated by the plant air of heat is used for implementing the washing procedure in step (c).
According to the preferred a kind of so method of the present invention, wherein, according to the temperature T of the water in water system
aqdetermine temperature T
pc lim, thus make to be no more than a default temperature shock intensity Δ T
shock.For this reason, general storage temperature T in the control unit of scrubbing-and-drying unit
pc limwith temperature T
aqbetween correlation.
Temperature shock intensity Δ T
shockdepend on the composition of glass material and the manufacturing technique of glass door.In conventional soda-lime glass, it is generally 100 Kelvins.Temperature T is heated to by handle
xglass door immerse temperature T
ywater in, such as immerse temperature be in the water-bath of 20 DEG C, inspection glass door temperature shock intensity.At this moment glass door does not damage, and this temperature shock intensity is at least Δ T
xy=T
x-T
y.
At this, from the temperature T of the water of water system
aqcan be regulated by the user of scrubbing-and-drying unit, or be supplied to control unit by the temperature sensor measurement that is arranged in water system.
In the method according to the invention, during cooling program, this cylinder preferably rotates, such as, rotate, if especially existed wherein by washing member with the revolution within the scope of 40 to 60 revs/min.At this, this cylinder is preferably to reverse mode (imReversierbetrieb) operation run.
Generally in step (c), this washing procedure starts like this, namely the water from water system is introduced in this cylinder and washing container.At this, general this drum rotating of shutoff and/or shutoff air blast before step (c).Cool from the water of water system is generally same by adding.In contrast, the cooling program of step (b) generally terminates.
In addition, theme of the present invention is a kind of scrubbing-and-drying unit, there is washing container, the cylinder, control device and the plant air passage that can be rotated to support on washing container with closable glass door, wherein, this cylinder is used for when glass door is opened receiving and taking out by washing member, there is the heater, air blast and at least one measuring tempeature T that add hot-air in described plant air passage
pctemperature sensor, wherein, this control device arrange for implementing following method, the method comprises the following steps:
A () is with the temperature T of at least one temperature sensor measurement in plant air passage
pc 1;
B () is for T
pc 1>=T
pc lim, especially T
pc 1> T
pc limsituation, carry out cooling program with plant air, wherein T
pc limbe the ceiling temperature of plant air, wherein, this cooling program carries out until reach a default temperature T
pc set≤ T
pc limtill; With
C () performs washing procedure.
In addition, particular characteristics and the advantage of this scrubbing-and-drying unit can be found out from the above-mentioned embodiment of method according to the present invention, here correspondingly with reference to described feature and advantage.
In a preferred form of implementation, in order to measuring tempeature T
pc, enter the drum inlet place set temperature sensor T1 of cylinder at plant air, go out the drum outlet place set temperature sensor T2 of this cylinder at plant air, and/or direct set temperature sensor T3 on glass door.
When applying multiple temperature sensor, the temperature measured by temperature sensor T1, T2 and/or T3 may be equal or not etc.The temperature measured preferably is used as the numerical value of glass door temperature, wherein, if desired they must with predetermined method based on experience value or simulation convert.When using multiple temperature sensor T1, T2 and/or T3, such as, ask for the numerical value of its mean value as glass door temperature.But, preferably can also obtain mean value by the numeric weights obtained to each temperature sensor, wherein, the weight of temperature sensor numerical value particularly temperature sensor from glass door more close to larger.
Scrubbing-and-drying unit according to the present invention preferably configures heat exchanger, and described heat exchanger is used for the damp and hot plant air from cylinder is dried.As long as this heat exchanger exists, the step (b) be especially also suitable for for method according to the present invention implements cooling program.
General in following scrubbing-and-drying unit, the moisture comprised in damp-heat air in described scrubbing-and-drying unit condensation on the heat exchanger, this heat exchanger cooling-air, cooling water run, or run with the refrigerant of this heat pump when using heat pump.Configuration and the efficiency of cooling program depend on this.
If there is heat exchanger in scrubbing-and-drying unit, then preferably also there is a flusher for this heat exchanger, the lint of described flusher cleaning heat exchanger bonding and other pollutants.It can be connected with water system.Inject water wherein during application flusher and can be used for process for cooling air equally.At this, the plant air through cooling carried in plant air passage can be used for cooled glass door.
At this, the flushing water used as cooling water of flusher, the outside wall surface generally generally contacted with plant air by it is flowed downward, and wherein this plant air passage is generally connected with washing container by a changeover portion.
When speaking of " heater " here, mean the heater for air (plant air) be arranged in plant air passage.In addition, scrubbing-and-drying unit generally also has a heater for direct heating aqueous liquid (such as cleaning solution).Generally should be arranged on below this cylinder in washing container referred to herein as the heater of water heater.This heater preferably cuts out according to during method of the present invention in enforcement.
In addition, this scrubbing-and-drying unit can configure condensed fluid collection device, thus also the condensate liquid of the accumulation when being dried by washing member can be used as the liquid, aqueous of this cooling program.
Scrubbing-and-drying unit generally has a water system, and by described water system, water can be conducted through a flushing shell generally had, and washing agent or washing adjuvant part can add scrubbing-and-drying unit from described flushing shell.
Scrubbing-and-drying unit generally has a washing drainage system with washing pump be arranged on bottom washing container, and general washing member is in addition taken device and/or dips device.Scrubbing-and-drying unit preferably also has a pressure sensor in washing container, and described pressure sensor is preferably arranged in the lower area of washing container, can measure the liquid, aqueous pressure be present in washing container.
The present invention has many advantages.According to scrubbing-and-drying unit of the present invention, scrubbing-and-drying unit is run under relatively high bake out temperature becomes possibility.At this, the highest bake out temperature is up to 120 DEG C or even 150 DEG C in this embodiment.In addition, scrubbing-and-drying unit entrance door also may the lower glass of serviceability temperature impact strength, and such as, temperature shock intensity is lower than the soda-lime glass of 100 DEG C.Such glass cost is generally such as, lower than the glass that temperature shock intensity is relatively high, Pyrex.Here can use general scrubbing-and-drying unit, and not need special repacking measure, as long as scrubbing-and-drying unit is arranged for implementing the control device according to method of the present invention.In addition, the preheating of the water used in washing procedure can also be realized in embodiments of the present invention, to improve energy efficiency.Finally, when mixing manufacture scrubbing-and-drying unit and washing machine, unified glass door can be used, also draw the additional effect reduced costs thus.
Accompanying drawing explanation
The present invention is set forth further referring to unique shown in the drawings exemplary scrubbing-and-drying unit.Other embodiments it is contemplated that as illustrated embodiment.
Detailed description of the invention
The cylinder 2 that scrubbing-and-drying unit shown in the figure that this is unique has washing container 1 and can support rotatably around substantially horizontal axle in described washing container, is in described cylinder by washing member 3.Washing container 1 is connected with washing pump 12 by washing drainpipe 19, and moisture liquid 11 can be discharged scrubbing-and-drying unit by drainpipe 13 by described washing pump from washing container 1.Cylinder 2 drives by means of electric drive motor 4.
Cylinder 2 loads to be processed by washing member 3 by glass door 22.Glass door 22 in its closed state user oriented outside can have second that unshowned glass or plastics here make.In order to can wash in scrubbing-and-drying unit by washing member 3, scrubbing-and-drying unit is connected with unshowned outside water supply installation here by water system 20.Water system 20 is connected with flushing shell 21, by means of the water from water system 20, washing agent or washing adjuvant part can be sent to washing container 1 from described flushing shell.This is undertaken by the part of plant air passage 5 and sealing shroud 23 in the present invention.
Arrow 17 represents the flow direction of plant air in plant air passage.28 represent drum inlet, and 24 represent drum outlet.9 represent valve.
In order to dry washings wet in cylinder 2, in the scrubbing-and-drying unit according to the work of circulating air principle of this figure, carried by air blast 6 in plant air passage 5 with the air (" plant air ") that heater 7 heats.At this, the plant air of heating is arrived in washing container 1 or cylinder 2 through drum inlet 28 by sealing shroud 23.By cylinder 2 and dry be in humidity in cylinder by washing member 3 after, damp and hot plant air arrives heat exchanger 8 by rear outlet 24 from washing container 1, the moisture comprised in plant air there condensation due to plant air cooling, and can be collected in here in unshowned condensate tank.Alternatively, this condensate liquid can flow back to washing container 1 by the changeover portion 25 between heat exchanger 8 and washing container 1, washs drainpipe 19 washing pump 12 from there over and it is scavenged into outside scrubbing-and-drying unit through drainpipe 13.Plant air after drying continues to flow into plant air passage 5, and can again be heated by heater 7, and to be arrived in cylinder 2 etc. by sealing shroud 23.
In the embodiment shown in this figure, this scrubbing-and-drying unit has three temperature sensor T114 in plant air passage, T215 and T316, so that by means of the Temperature Measure Control drying course in the plant air of flowing.Additionally, the temperature of glass door 22 is determined or is estimated in the temperature survey that can be occurred respectively by this place.
4th temperature sensor T427 is arranged in water system 20, in order to measure the temperature T of the water used in scrubbing-and-drying unit
aq.Then, by numerical value T
aqbe supplied to the control device 18 of scrubbing-and-drying unit, in order to take in the scope of the method embodiment.
Perform according to method of the present invention in the scrubbing-and-drying unit of this figure, wherein especially perform the following step:
In a embodiment that () is shown here, with temperature sensor T1, T2 and T314, the temperature T of plant air in 15,16 measurement plant air passages 5
pc 1, and measure the temperature from the water used of water system 20 with temperature sensor T4;
B () is for T
pc 1>=T
pc limsituation, perform cooling program with plant air, wherein T
pc limbe the ceiling temperature of plant air, wherein, this cooling program carries out until reach default temperature T
pc set≤ T
pc limtill; With
C () performs washing procedure.
In order to measure the temperature T of plant air
pc, set temperature sensor T114 between drum inlet 28 and glass door 22, set temperature sensor T215 between drum outlet 24 and glass door 22, and on glass door 22 set temperature sensor T316.There is the temperature sensor T3 on glass door 22 just much of that in principle.In scrubbing-and-drying unit embodiment shown in the figure, different temperature sensors is used for different the arranging possibility and be used for realizing process air temperature T of one or more temperature sensor is described
pcredundant measurement.The latter's redundant measurement can contribute to preventing temperature sensor fails.Here, the sensor existed is utilized particularly advantageously, to comprise the temperature additionally utilizing and measure glass door 22.
In the embodiment of scrubbing-and-drying unit shown in the figure, this cooling program comprises and plant air is guided through heat exchanger 8, to described heat exchanger arrangement flusher 10.Flusher 10 is connected with the water supply installation be not shown specifically here of scrubbing-and-drying unit by water valve 9.Corresponding therewith, here cooling program comprise make heat plant air contact with the water from the flusher 10 for heat exchanger 8.The quantity M of the water 11 used in cooling program
cflow into washing container 1, and be chosen as and the quantity of described water be less than in washing container 1, make the lower end of cylinder 2 be immersed in the water required water yield M
b.At this, water 11 arrives washing container 1 by changeover portion 25 and rear outlet 24.Therefore the scrubbing-and-drying unit of this figure has advantage: the water 11 from flusher 10 heated by the plant air of heat, is used for implementing washing procedure in step (d).
By means of the temperature T to the water from water system 20 that temperature sensor T427 carries out
aqmeasurement achieve, can according to the temperature T of the water from water system 20
aqdetermine T
pc lim, thus make to be no more than the temperature shock intensity Δ T of such as roughly 100 Kelvins preset here
shock.Comprise during cooling program and to be rotated by the cylinder 2 of washing member 3 and especially to run to reverse the mode (Reversierrhythmus) of rhythm at this, especially run with the rotary speed of 50 revs/min.At this, cool thus to be also in cylinder 2 and may contact with glass door 22 by washing member.
Implement before the method, generally dries by washing member 3 in scrubbing-and-drying unit, its mode is: when connection heater 7 by means of air blast 6 plant air of heat is guided through humidity by washing member 3.When connecting cooling device (can not find out in more detail in shown figure), the condensation on heat exchanger 8 of that moisture.Then, guide plant air circulation, until reach the oven dry degree of expectation always.
Accompanying drawing explanation
1 washing container
2 cylinders
3 by washing member
4 CD-ROM drive motors
5 plant air circulations
6 air blasts
7 air heating apparatus
8 heat exchangers
9 water valves
10 for the flusher of heat exchanger
11 is liquid, aqueous
12 draining pumps
13 drainpipes
The first temperature sensor T1 between 14 cylinders and air heating apparatus
The second temperature sensor T2 after 15 in outlet
Three-temperature sensor T3 on 16 glass doors
17 hot-airs/steam
18 control device
19 washing drainpipes
20 water systems
21 rinse shell
22 glass doors (filling opening)
23 sealing shrouds
24 (cylinder) exports
25 changeover portions
26 filters
The 4th temperature sensor T4 in 27 water systems
28 (in washing container) entrance
Claims (15)
1. the operation method of scrubbing-and-drying unit, wherein, this scrubbing-and-drying unit has washing container (1), can be rotated to support on the cylinder (2) in described washing container, control device (18) and plant air passage (5), described cylinder is with closable glass door (22), wherein, described cylinder (2) is used for receiving when described glass door (22) is opened and taking out by washing member (3), the heater (7) for adding hot-air is there is in described plant air passage, air blast (6) and at least one is for measuring tempeature T
pctemperature sensor (14,15,16), described method comprises the following steps:
A () measures the temperature T in described plant air passage (5) with at least one temperature sensor described (14,15,16)
pc 1;
B () is for T
pc 1>=T
pc limsituation, perform cooling program with plant air, wherein, T
pc limbe the ceiling temperature of described plant air, wherein, described cooling program carries out until reach default temperature T
pc set≤ T
pc limtill; With
C () performs washing procedure.
2. method according to claim 1, is characterized in that, the temperature of described glass door (22) directly measured by least one temperature sensor described (14,15,16).
3. method according to claim 1, it is characterized in that, described at least one temperature sensor (14,15,16) be set to away from described glass door (22), and before described measurement, described air blast (6) connected a time period Δ t
blow, so that equalized temperature in impelling described plant air passage (5).
4. method according to claim 3, is characterized in that, described time period Δ t
blowbeing no more than the length of one minute, is especially approximately 30 seconds.
5. the method according to any one of above-listed claim, is characterized in that, described cooling program comprises and described plant air is directed across one and is arranged on heat exchanger (8) in described scrubbing-and-drying unit.
6. the method according to any one of above-listed claim, is characterized in that, described cooling program comprises makes the plant air of heat contact with the water from the flusher (10) for heat exchanger (8).
7. the method according to any one of above-listed claim, is characterized in that, described cooling program comprises makes the plant air of described heat contact with the water from water system (20).
8. the method according to claim 6 or 7, is characterized in that, the water yield M used in described cooling program
cflow in described washing container (1), and the described water yield is chosen as this water yield is less than in described washing container (1), make the lower end of described cylinder (2) be immersed in the water required water yield M
b.
9. the method according to any one of claim 6 to 8, it is characterized in that, the plant air by described heat is heated from described flusher (10) and/or water from described water system (20) be used for implementing the washing procedure in described step (c).
10. the method according to any one of above-listed claim, is characterized in that, according to the temperature T of the water from water system (20)
aqdetermine described temperature T
pc lim, thus make to be no more than default temperature shock intensity Δ T
shock.
11. methods according to claim 10, is characterized in that, described temperature shock intensity Δ T
shockbe approximately 100K.
12. methods according to any one of claim 1 to 10, is characterized in that, make described cylinder (2) rotate during described cooling program.
13. methods according to claim 12, is characterized in that, described cylinder (2) is to reverse method of operation operation.
14. scrubbing-and-drying units, this scrubbing-and-drying unit has washing container (1), the cylinder (2) that can be rotated to support in described washing container, control device (18) and plant air passage (5), described cylinder is with closable glass door (22), wherein, described cylinder (2) is used for receiving when described glass door (22) is opened and taking out by washing member (3), there is the heater (7) for adding hot-air, air blast (6) and at least one is for measuring tempeature T in described plant air passage
pctemperature sensor (14,15,16),
It is characterized in that, described control device (18) is arranged for implementing following method, and described method comprises the following steps:
A () measures the temperature T in described plant air passage (5) with at least one temperature sensor described (14,15,16)
pc 1;
B () is for T
pc 1>=T
pc limsituation, perform cooling program with plant air, wherein, T
pc limbe the ceiling temperature of described plant air, wherein, described cooling program carries out until reach default temperature T
pc set≤ T
pc limtill; With
C () performs washing procedure.
15. scrubbing-and-drying units according to claim 14, is characterized in that, in order to measure the temperature T of described plant air
pcset temperature sensor T1 (14) between drum inlet and described glass door (22), set temperature sensor T2 (15) between drum outlet (24) and described glass door (22), and/or at the upper set temperature sensor T3 (16) of described glass door (22).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014219379.6A DE102014219379A1 (en) | 2014-09-25 | 2014-09-25 | Method for operating a washer-dryer with protection against temperature shock as well as suitable washer-dryer |
| DE102014219379.6 | 2014-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105463813A true CN105463813A (en) | 2016-04-06 |
| CN105463813B CN105463813B (en) | 2019-07-09 |
Family
ID=54062659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510834400.7A Active CN105463813B (en) | 2014-09-25 | 2015-09-25 | Prevent the scrubbing-and-drying unit operation method of temperature shock and the scrubbing-and-drying unit suitable for this |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3000924B1 (en) |
| CN (1) | CN105463813B (en) |
| DE (1) | DE102014219379A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016215496A1 (en) * | 2016-08-18 | 2018-02-22 | BSH Hausgeräte GmbH | Method for operating a washing machine or a washer-dryer at high temperatures and suitable washing machine or suitable washer-dryer for this purpose |
| DE102017103500A1 (en) | 2017-02-21 | 2018-08-23 | Miele & Cie. Kg | Method for drying laundry, control method and control device for controlling a drying process and washer-dryer |
| DE102017103498A1 (en) | 2017-02-21 | 2018-08-23 | Miele & Cie. Kg | Method for drying laundry, control method and control device for controlling a drying process and water-conducting household appliance for laundry treatment |
| DE102019117282A1 (en) * | 2019-06-27 | 2020-12-31 | Miele & Cie. Kg | Method of operating a washing machine and washing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773008A (en) * | 2004-11-12 | 2006-05-17 | Lg电子株式会社 | Method and apparatus for control of drying process in a washing and drying machine |
| CN1773006A (en) * | 2004-11-12 | 2006-05-17 | Lg电子株式会社 | Drying control method for washing machines with drying functions/drying machines |
| CN101688355A (en) * | 2007-06-26 | 2010-03-31 | 阿塞里克股份有限公司 | a washer/dryer |
| CN103210134A (en) * | 2010-10-19 | 2013-07-17 | Lg电子株式会社 | Washing machine and control method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521313A (en) | 2003-02-13 | 2004-08-18 | 乐金电子(天津)电器有限公司 | Warm air guiding pipe with drying function for drum washing machine |
| US20060137105A1 (en) * | 2004-11-12 | 2006-06-29 | Lg Electronics Inc. | Drying control apparatus and method of washing and drying machine |
| DE102010039182A1 (en) * | 2010-08-11 | 2012-02-16 | BSH Bosch und Siemens Hausgeräte GmbH | Process for the removal of odors in laundry items in a washer-dryer as well as suitable washer-dryer |
| JP5824639B2 (en) | 2011-09-02 | 2015-11-25 | パナソニックＩｐマネジメント株式会社 | Clothes dryer and washing dryer |
| DE102012207742A1 (en) * | 2012-05-09 | 2013-11-14 | BSH Bosch und Siemens Hausgeräte GmbH | Method for operating a variable speed dryer of a drive motor and a suitable dryer for this purpose |
| KR102025181B1 (en) * | 2013-04-03 | 2019-09-26 | 삼성전자주식회사 | Clothing dryer and control method thereof |
-
2014
- 2014-09-25 DE DE102014219379.6A patent/DE102014219379A1/en not_active Withdrawn
-
2015
- 2015-09-03 EP EP15183672.3A patent/EP3000924B1/en active Active
- 2015-09-25 CN CN201510834400.7A patent/CN105463813B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773008A (en) * | 2004-11-12 | 2006-05-17 | Lg电子株式会社 | Method and apparatus for control of drying process in a washing and drying machine |
| CN1773006A (en) * | 2004-11-12 | 2006-05-17 | Lg电子株式会社 | Drying control method for washing machines with drying functions/drying machines |
| CN101688355A (en) * | 2007-06-26 | 2010-03-31 | 阿塞里克股份有限公司 | a washer/dryer |
| CN103210134A (en) * | 2010-10-19 | 2013-07-17 | Lg电子株式会社 | Washing machine and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3000924A1 (en) | 2016-03-30 |
| CN105463813B (en) | 2019-07-09 |
| EP3000924B1 (en) | 2019-08-21 |
| DE102014219379A1 (en) | 2016-03-31 |
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