CN105463813B - Prevent the scrubbing-and-drying unit operation method of temperature shock and the scrubbing-and-drying unit suitable for this - Google Patents
Prevent the scrubbing-and-drying unit operation method of temperature shock and the scrubbing-and-drying unit suitable for this Download PDFInfo
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- CN105463813B CN105463813B CN201510834400.7A CN201510834400A CN105463813B CN 105463813 B CN105463813 B CN 105463813B CN 201510834400 A CN201510834400 A CN 201510834400A CN 105463813 B CN105463813 B CN 105463813B
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- 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)
- Drying Of Solid Materials (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of operation methods of scrubbing-and-drying unit, wherein, the scrubbing-and-drying unit has washing container 1, can be rotated to support on roller 2, control device 18 and plant air channel 5 in washing container, roller has closable glass door 22, wherein, roller 2 is used to receive and take out washed part 3 when glass door 22 is opened, and there is heating device 7, air blower 6 and at least one measurement temperature T for heating air in plant air channelpcTemperature sensor 14,15,16, this method include the following steps: (a) with the temperature T at least one temperature sensor 14,15,16 measurement plant air channel 5pc 1;(b) it is directed to Tpc 1≥Tpc limThe case where, cooling program is executed with plant air, wherein Tpc limIt is the ceiling temperature of plant air, wherein cooling program is carried out until reaching preset temperature Tpc set≤Tpc limUntil;(c) washing procedure is executed.Moreover, it relates to a kind of scrubbing-and-drying unit for being suitable for implementing this method.
Description
Technical field
The present invention relates to a kind of scrubbing-and-drying unit operation method for preventing temperature shock and suitable for this washing drying
Machine.The invention particularly relates to a kind of methods for running scrubbing-and-drying unit, wherein the scrubbing-and-drying unit have washing container,
Roller, control device and plant air channel, the roller can be rotated to support in washing container, and the roller has and can close
The glass door closed, wherein the roller is when glass door is opened to be packed into and take out washed part, the heating dress of heating air
Set, air blower and at least one measurement temperature TpcTemperature sensor is in the plant air channel.The present invention also relates to
And a kind of such scrubbing-and-drying unit.
Background technique
Scrubbing-and-drying unit is popular, the reason is that being incorporated in the function of washing machine and drying machine in a manner of saving position
On unique electric appliance.In addition, scrubbing-and-drying unit has been provided with water swivel, make water that can not only be used to wash washed part, but also
Also use is further processed for washed part.
However, being likely to occur very different temperature in scrubbing-and-drying unit operation.Especially when drying and washing flow are fast
When speed is alternately converted, the component that used in scrubbing-and-drying unit and material may be made due to the unexpected temperature alternating at this moment carried out
Bear load.Temperature change in short time interval in scrubbing-and-drying unit is very violent, especially when drying made above
Program, then it is cooling with cold tap water when, this is particularly problematic.Therefore, sufficiently large temperature shock intensity is for washing drying
Machine is important.For the glass door (also known as " entrance door ") of scrubbing-and-drying unit, particularly true, washed part to be processed passes through
The glass door is packed into the roller of scrubbing-and-drying unit.Therefore, when scrubbing-and-drying unit is run it is noted that maximum temperature impact is strong
Degree.Here temperature shock intensity is possible maximum temperature difference, the glass when applying the maximum temperature difference as temperature shock
It does not burst.
Recent people consider to improve the drying temperature in dryer and scrubbing-and-drying unit, so as to moist washed part
Drying and processing can be carried out more rapidly.
However, when being sent out between the drying and processing that the plant air high with temperature carries out and the carrying out washing treatment carried out with cold water
When raw fast transition, the temperature difference at this moment occurred is 100 Kelvins (Kelvin) or higher, is generally used for corresponding entrance door
Soda-lime glass is unrenewable.This can be by making up using Pyrex.But its cost is very high.
High surface temperature is also possible to constitute user dangerous on scrubbing-and-drying unit.In order to guarantee in protection scrubbing-and-drying unit
The scrubbing-and-drying unit surface temperature that customer-side allows, in scrubbing-and-drying unit operation, also that is, being in close state in entrance door
When, the user oriented door glass outside often additional protection made of glass or plastics.If cold water may reach entrance
Outer side of door especially will also prevent temperature shock caused by cold water then other than preventing surface temperature too high.
But the cold water especially reached on the inside of glass door may cause temperature shock.For example, drying and processing after immediately or
It is exactly such for beginning through during this period and introducing cold water progress washing procedure.At this moment cold water may spray to glass door from inside, or
Glass door is sent to from washing lower vessel portion region by washed part.
2 636 788 Al of EP describes a kind of scrubbing-and-drying unit, comprising: makes the roller of washed part movement;Setting exists
Openable glass pane before roller;The blasting unit of conveying drying air;Make the drying dehumidification for leaving roller
Dry unit;Heating, which is dried, dries the heating unit of air;First air duct, with the first of the roller rear end open
Air outlet slit, drying air is blasted roller;Second air duct goes out with the second air in the roller open-front
Mouthful, drying air is blasted the roller;The air duct selectively switched between first and second air duct
Switch unit;Seek the temperature detecting unit of glass pane temperature;With adjusting unit, wherein the adjusting unit carries out in this wise
It adjusts, so that when the testing result of temperature detecting unit reaches predetermined first temperature, the choosing of air duct switch unit
Switch between the first air duct and the second air duct to selecting property.Should reach whereby in roller be washed part will not be different
Cause ground drying.The drying air is roused to glass pane in a preferred embodiment.
In addition, 2 636 788 Al of EP is described in this way, i.e., after drying and processing, the washed part of drying can be from baking
Before dry machine takes out, it is necessary to the cooling glass door with high temperature.It is known thus to execute a kind of cooling treatment, to cool down window glass
Glass.Make it possible following operations of scrubbing-and-drying unit according to 2 636 788 Al of EP, wherein washed part can be dried, and
The temperature control of glass pane will not be felt the too hot predetermined temperature of glass for one user of holding simultaneously.
1521313 A of CN describes a kind of scrubbing-and-drying unit with guiding tube, and the guiding tube guides the work of heat in this way
Skill air is allowed to not direct and contacts with the glass door of scrubbing-and-drying unit.It should prevent glass door from handing over due to unexpected temperature with this
It replaces and damages, and the user of scrubbing-and-drying unit is prevented to be burned.
10 2,012 207 742 Al of DE describes a kind of operation method of dryer, has process control;For to dry
The roller of dry washed part;Plant air channel conveys the plant air air blower and heating process air of plant air
Heating device is located in the plant air channel, and the revolution with driving a roller and plant air air blower
Variable drive motor;Wherein this method includes heating period, quasi- static drying stage and cooling stage, wherein quasi- quiet
The variable drive motor of revolution is in drying stage only with intermediate revolution α1Operation, the plant air air blower is with intermediate revolution ω1
Operation, and the variable drive motor of revolution is at least temporarily with less than α with one during cooling stage1α2Revolution operation, and be somebody's turn to do
Plant air air blower is with revolution ω1Operation.This method preferably runs to be no more than the maximum allowable temperature T of plant airmax。
Summary of the invention
In this context, the task of the present invention is provide a kind of scrubbing-and-drying unit operation for being better protected from temperature shock
Method.It is preferred that should may be implemented to prevent scrubbing-and-drying unit glass door from damaging due to too high temperature shock.In addition, the task
It is to disclose a kind of scrubbing-and-drying unit suitable for this.
Task as basis of the invention according to the method and scrubbing-and-drying unit of corresponding independent claims by solving.
Currently preferred configuration refers in each dependent claims.Preferred configuration corresponds to according to this according to the method for the present invention
The scrubbing-and-drying unit of invention, even if not pointing out individually respectively here.
Therefore, subject of the present invention is the operation method of scrubbing-and-drying unit, wherein there is the scrubbing-and-drying unit washing to hold
Device, roller, control device and the plant air channel that can be rotated to support in washing container with closable glass door,
Wherein, which is used to that washed part is received and taken out when glass door is opened, heat the heating device of air, air blower and
At least one measurement temperature TpcTemperature sensor is in the plant air channel, and the method comprising the steps of:
(a) it is measured at least one temperature sensor, such as temperature sensor T1, T2 and/or T3 in plant air channel
In temperature Tpc 1;
(b) it is directed to Tpc 1≥Tpc limThe case where, cooling program is carried out with the plant air, wherein Tpc limIt is ceiling temperature,
Wherein, which carries out until reaching a preset temperature Tpc set≤Tpc limUntil;With
(c) washing procedure is executed.
Work as Tpc 1≥Tpc limWhen, preferably the cooling program is executed in step (b).
When the temperature sensor is set up directly on glass door or nearest surrounding is arranged in, can directly measure
The temperature of glass door.However, it is also possible to using being arranged from the significant remote temperature sensor of glass door.Exist in this case
Before measurement, the air blower of the plant air connects a period Δ tblow, flat along plant air channel temperature to promote
Weighing apparatus, and guarantee that temperature sensor provides one and has characteristic signal to the temperature of glass door in this way.Here, the time
Section Δ tblowOne minute length can be no more than, be especially substantially equal to 30 seconds.
If the temperature sensor T3 being directly fixed on the glass door with one measures the temperature of the glass door, at any time
There is direct measured value appropriate available, to decide whether that additional cooling step must be carried out.If the corresponding temperature
Sensor T1 or T2 can then determine that the temperature of the glass door, method are in detection measured value not directly on glass door indirectly
Plant air air blower runs a short period before, and the period is especially continuously less than one minute, preferably substantially 30
Second.As such, it is advantageous to realize uniform Temperature Distribution, in plant air channel so as to by temperature sensor (such as T1 or T2)
The representative numerical value as glass door temperature can be considered in the process air temperature of actual measurement.
Ceiling temperature Tpc limAccording to impact temperature Δ T corresponding with the material of glass doorshockIt is selected.Here, people are especially
Consider expected minimum inflow temperature, therefore considers fresh coolant-temperature gage expected from cold season in a public water supply network
TW-min.This temperature TW-min, such as in Central Europe may be prescribed as 3 DEG C.At this moment it can install as Tpc lim=TW-min+ΔTshock。
As an alternative, in specifically available in special circumstances fresh coolant-temperature gage TaqIt can also be by means of being correspondingly arranged
At this moment temperature sensor measurement is determined as T to the conclusive ceiling temperature of these special circumstancespc lim=Taq+ΔTshock。
It is preferred that such a method, wherein cooling program includes that plant air is directed across to a setting to do in washing
Heat exchanger in dry machine.
According to the present invention, as long as achieving the purpose that effectively cooling plant air and therefore cooling glass door, the cooling
Program is unrestricted.That is, in the method according to the invention, especially meeting or exceeding temperature Tpc limIn the case where it is cold
But the plant air.Cooling glass door may be implemented by applying cooled plant air.It does not press generally according to the present invention
The mode stated realizes cooling glass door, that is, changes and introduce plant air (such as EP 2 in one or more plant air channels
Described in 636 788 Al like that).In particular according to plant air of the invention, also do not carried out by the contact with washed part
It is cooling, to cool down glass door with plant air cooling in this way.The type and configuration of cooling program, which are generally dependent on, is washing
Washing has any device for cooling technique air available in drying machine.In addition, the type and configuration one of cooling program
As depend on washing water by what approach from water system reach washing container in, especially water is on this path
It is no to be contacted with glass door.
For there is condensation liquid bath in scrubbing-and-drying unit or the case where condensate tank, it may be considered that with including
Condensate liquid cools down too hot plant air, and mode is to contact the plant air of the heat with condensate liquid, to carry out hot friendship
It changes.This can incidentally promote to take away heat of evaporation by the evaporation of condensate liquid.
In a preferred form of implementation, which includes making the plant air of heat and coming from for dry in washing
The water of the flusher of heat exchanger in dry machine contacts.
In another preferred embodiment, which includes making the plant air of heat and coming
Confess the contact of the water of water system.
It in the two last embodiments preferably, should the water M used in the cooling programcWashing is flowed into hold
It is required less than being immersed in the water the lower end of the roller in washing container that the water is chosen so as in device and by the water
Water Mb。
However, using water as just advantageously reaching washing container and rolling in the embodiment that cooling medium uses
Water in cylinder heats and reduces the risk of high-temperature impact in this way.
It is furthermore preferred that being used to by the water from flusher and/or water system of the plant air heating of heat real
Apply the washing procedure in step (c).
Preferred such a method according to the present invention, wherein according to the temperature T of the water in water systemaqTemperature
Tpc lim, so that being no more than a preset temperature shock intensity Δ Tshock.For this purpose, generally in the control of scrubbing-and-drying unit
Storage temperature T in unitpc limWith temperature TaqBetween correlation.
Temperature shock intensity Δ TshockDepending on the composition of glass material and the manufacturing process of glass door.In common sodium calcium
It is usually 100 Kelvins in glass.Temperature T is heated to byxGlass door immerse temperature TyWater in, such as immerse temperature
In the water-bath that degree is 20 DEG C, the temperature shock intensity of glass door is examined.At this moment glass door does not damage, and the temperature shock intensity is at least
It is Δ Txy=Tx-Ty。
Here, the temperature T of the water from water systemaqIt can be adjusted by the user of scrubbing-and-drying unit, or be existed by setting
Temperature sensor measurement in water system is simultaneously supplied to control unit.
In the method according to the invention, the roller preferably rotates during cooling program, such as at 40 to 60 revs/min
Revolution rotation within the scope of clock, especially if washed part exists wherein.Here, the roller is preferably in a manner of reversing operation
(im Reversierbetrieb) operation.
The washing procedure starts so generally in step (c), i.e., the water from water system is introduced the roller and washed
It washs in container.Here, generally turning off roller rotation and/or shutdown air blower before step (c).By adding come self-water-supplying
The water of system generally equally cools down.In contrast, the cooling program of step (b) is generally over.
In addition, subject of the present invention is a kind of scrubbing-and-drying unit, have washing container, with closable glass door can
It is rotatably supported at roller, control device and plant air channel on washing container, wherein the roller is when glass door is opened
For receiving and taking out washed part, exist in the plant air channel heating heating device of air, air blower and
At least one measurement temperature TpcTemperature sensor, wherein the control device is arranged for implementing following methods, this method packet
Include the following steps:
(a) the temperature T at least one temperature sensor measurement in plant air channelpc 1;
(b) for Tpc 1≥Tpc lim, especially Tpc 1> Tpc limThe case where, cooling program is carried out with plant air, wherein Tpc lim
It is the ceiling temperature of plant air, wherein the cooling program is carried out until reaching a preset temperature Tpc set≤Tpc limUntil;With
(c) washing procedure is executed.
In addition, can be seen that the specific feature of this scrubbing-and-drying unit from the embodiment above according to the method for the present invention
And advantage, the features and advantages are correspondingly referred to here.
In a preferred form of implementation, in order to measure temperature Tpc, at the drum inlet that plant air enters roller
Temperature sensor T1 is set, temperature sensor T2 is set at the drum outlet that plant air goes out the roller, and/or directly in glass
Temperature sensor T3 is set on glass door.
It, may be equal or not by the temperature of temperature sensor T1, T2 and/or T3 measurement when using multiple temperature sensors
Deng.The temperature of measurement is best used as the numerical value of glass door temperature, wherein when necessary they must with predetermined method according to
Empirical value or simulation conversion.When using multiple temperature sensor T1, T2 and/or T3, such as its average value is sought as glass
The numerical value of door temperature.It is preferred, however, that can also by finding out average value to each temperature sensor numeric weights obtained,
In, bigger closer from glass door of the weight of temperature sensor numerical value especially temperature sensor.
Scrubbing-and-drying unit according to the present invention is preferably configured heat exchanger, and the heat exchanger is used to make from the wet of roller
Hot process air dries.This heat exchanger simply by the presence of, especially may also be adapted to for according to the method for the present invention the step of (b)
Implement cooling program.
Generally in following scrubbing-and-drying units, the moisture for including in damp-heat air in the scrubbing-and-drying unit is in heat exchange
It is condensed on device, the heat exchanger cooling air, cooling water running, or run in application heat pump with the refrigerant of the heat pump.
The configuration and efficiency of cooling program depend on this.
If there are heat exchangers in scrubbing-and-drying unit, preferably there is also a flushing dresses for the heat exchanger
It sets, the lint and other pollutants of the flusher cleaning heat exchanger bonding.It can connect with water system.Using punching
Water therein is injected when cleaning device may also used to cooling technique air.Here, conveyed in plant air channel through cold
But plant air can be used to cool down glass door.
Here, the flushing water of flusher used as cooling water, is generally generally contacted with plant air by it
Outside wall surface flows downward, and wherein the plant air channel generally passes through a changeover portion and connect with washing container.
When speaking of " heating device " here, it is meant that be arranged in plant air channel and be used for air (plant air)
Heating device.In addition, generally there are one the heating for directly heating liquid, aqueous (such as cleaning solution) for scrubbing-and-drying unit
Device.The heating device for being referred to herein as water heater is generally located below the roller in washing container.The heating device
It preferably is off when implementing according to the method for the present invention.
In addition, the scrubbing-and-drying unit can configure condensation liquor collecting device, thus can also will be when washed part be dried
The condensate liquid of accumulation is used as the liquid, aqueous of the cooling program.
Scrubbing-and-drying unit generally has a water system, and by the water system, water can be conducted through one one
As the flushing shell that has, detergent or washing adjuvant part can be added in scrubbing-and-drying unit from the flushing shell.
Scrubbing-and-drying unit generally has the washing drainage system with washing pump that washing container bottom is arranged in, and
And generally there are also washing member taking device and/or dip device.Preferably there are one pressure in washing container for scrubbing-and-drying unit
Sensor, the pressure sensor are preferably provided in the lower area of washing container, are present in washing appearance so as to measure
Liquid, aqueous pressure in device.
The present invention has many advantages.Scrubbing-and-drying unit according to the present invention makes scrubbing-and-drying unit in relatively high drying temperature
The lower operation of degree is possibly realized.Here, highest drying temperature is up to 120 DEG C or even 150 DEG C in this embodiment.In addition,
Scrubbing-and-drying unit entrance door is also possible to the glass relatively low using temperature shock intensity, for example, temperature shock intensity is lower than 100 DEG C
Soda-lime glass.Such glass cost is generally below the relatively high glass of temperature shock intensity, such as Pyrex.Here
General scrubbing-and-drying unit can be used, without special repacking measure, as long as scrubbing-and-drying unit is arranged for implementing root
According to the control device of method of the invention.In addition, can also realize in washing procedure in embodiments of the present invention
The preheating of used water, to improve energy efficiency.Finally, can make in mixing manufacture scrubbing-and-drying unit and washing machine
With unified glass door, the additional effect for reducing cost is thus also obtained.
Detailed description of the invention
Referring to unique illustrative scrubbing-and-drying unit shown in the drawings, the present invention is further explained.Other embodiment party
Formula is envisaged as illustrated embodiment.
Specific embodiment
There is washing container 1 in unique scrubbing-and-drying unit shown in figure and base can be surrounded in the washing container
The roller 2 that horizontal axis rotatably supports in sheet, washed part 3 are in the roller.It washs container 1 and passes through washing drainpipe
19 connect with washing pump 12, and aqueous liquid 11 can be passed through drainpipe 13 to outlet from washing container 1 by the washing pump
Scrubbing-and-drying unit out.Roller 2 is driven by means of electric drive motor 4.
Roller 2 is packed into washed part 3 to be processed by glass door 22.The user oriented in its closed state of glass door 22
Outside on can have made of glass or plastics not shown here second.In order to wash in scrubbing-and-drying unit
Washed part 3, scrubbing-and-drying unit by water system 20 with it is not shown here outside water supply device connect.Water system 20
It is connect with shell 21 is rinsed, it, can be detergent or washing adjuvant part from the punching by means of the water from water system 20
Shell is washed to be sent into washing container 1.This is carried out by a part and sealing shroud 23 in plant air channel 5 in the present invention.
Arrow 17 indicates flow direction of the plant air in plant air channel.28 indicate drum inlet, and 24 indicate
Drum outlet.9 indicate valve.
In order to dry wet washings in roller 2, in the scrubbing-and-drying unit of the figure to work according to circulation air principle
In, the air (" plant air ") heated with heating device 7 is conveyed in plant air channel 5 by air blower 6.Here, plus
The plant air of heat passes through drum inlet 28 by sealing shroud 23 and reaches in washing container 1 or roller 2.Passing through roller 2 and is drying
After the dry moist washed part 3 in roller, outlet 24 reaches heat from washing container 1 after damp and hot plant air passes through
Exchanger 8, the moisture for including in plant air there is condensed since plant air is cooling, and can be collected in this
In in unshowned condensate tank.Alternatively, which can pass through the transition between heat exchanger 8 and washing container 1
Section 25 flows back to washing container 1, washs drainpipe 19 from there over washing pump 12 and it is scavenged into washing by drainpipe 13
Outside drying machine.Plant air after drying continues to flow into plant air channel 5, and can be heated again by heating device 7, and
By in the arrival roller 2 of sealing shroud 23 etc..
There are three temperature sensor T1 in plant air channel for the scrubbing-and-drying unit in the embodiment shown in the figure
14, T2 15 and T3 16, so as to by means of the Temperature Measure Control drying course in the plant air of flowing.Additionally, may be used
The temperature of glass door 22 is determined or estimated by the temperature occurred respectively at this measurement.
4th temperature sensor T4 27 is mounted in water system 20, to measure used in scrubbing-and-drying unit
The temperature T of wateraq.Then, by numerical value TaqIt is supplied to the control device 18 of scrubbing-and-drying unit, in this method embodiment
It is taken in range.
It is executed according to the method for the present invention in the scrubbing-and-drying unit of the figure, wherein especially executing the following steps:
(a) in embodiment as shown here, plant air is measured with temperature sensor T1, T2 and T3 14,15,16
The temperature T of plant air in channel 5pc 1, and with temperature sensor T4 measurement the used water from water system 20 temperature;
(b) it is directed to Tpc 1≥Tpc limThe case where, cooling program is executed with plant air, wherein Tpc limIt is the upper of plant air
Limit temperature, wherein the cooling program is carried out until reaching preset temperature Tpc set≤Tpc limUntil;With
(c) washing procedure is executed.
In order to measure the temperature T of plant airpc, temperature sensor T1 is set between drum inlet 28 and glass door 22
14, temperature sensor T2 15 is set between drum outlet 24 and glass door 22, and temperature sensing is arranged on glass door 22
Device T316.There is the temperature sensor T3 on glass door 22 with regard to much of that in principle.Scrubbing-and-drying unit embodiment shown in the figure
In, different temperature sensors is used to illustrate the different setting possibility of one or more temperature sensors and for realizing work
Skill air themperature TpcRedundant measurement.The latter's redundant measurement can contribute to prevent temperature sensor from failing.Here especially have
Benefit, using already existing sensor, to include additionally using come the temperature that measures glass door 22.
In the embodiment of scrubbing-and-drying unit shown in the figure, which includes that plant air guidance is passed through heat
Exchanger 8 gives the heat exchanger arrangement flusher 10.Flusher 10 does not have here by water valve 9 and scrubbing-and-drying unit
There is the water supply device being shown specifically connection.With this corresponding, cooling program includes making the plant air of heat and coming from for heat here
The water of the flusher 10 of exchanger 8 contacts.The quantity M of water 11 used in cooling programcWashing container 1 is flowed into, and
The quantity for being chosen so as to the water is less than makes the lower end of roller 2 be immersed in the water required water M in washing container 1b.?
This, water 11 reaches washing container 1 by changeover portion 25 and rear outlet 24.Therefore the scrubbing-and-drying unit of the figure has an advantage in that hot
Plant air heating the water 11 from flusher 10, be used to implement washing procedure in the step (d).
The temperature T to the water from water system 20 carried out by means of temperature sensor T427aqMeasurement realize, can
According to the temperature T of the water from water system 20aqDetermine Tpc lim, so that being no more than such as substantially 100 here preset at
The temperature shock intensity Δ T of Kelvinshock.The rotation of roller 2 comprising washed part 3 during cooling program and herein especially
(Reversierrhythmus) is run in a manner of reversing rhythm, is especially run with 50 revs/min of rotation speed.Here, thus
Cooling is also at the washed part that may be contacted in roller 2 and with glass door 22.
Before implementing this method, washed part 3 is generally dried in scrubbing-and-drying unit, mode is: connecting heating dress
The plant air guidance of heat is passed through into moist washed part 3 by means of air blower 6 in the case where setting 7.Connecting cooling device
In the case where (cannot find out in more detail in the figure shown in), that moisture condenses on heat exchanger 8.Then, it guides always
Plant air circulation, until reaching desired drying degree.
Detailed description of the invention
1 washing container
2 rollers
3 washed parts
4 drive motors
5 plant airs circulation
6 air blowers
7 air heating apparatus
8 heat exchangers
9 water valves
10 are used for the flusher of heat exchanger
11 is liquid, aqueous
12 draining pumps
13 drainpipes
The first temperature sensor T1 between 14 rollers and air heating apparatus
Second temperature sensor T2 after 15 in outlet
Third temperature sensor T3 on 16 glass doors
17 hot-airs/vapor
18 control devices
19 washing drainpipes
20 water systems
21 rinse shell
22 glass doors (filling opening)
23 sealing shrouds
24 (rollers) outlet
25 changeover portions
26 filters
The 4th temperature sensor T4 in 27 water systems
28 (in washing container) entrances
Claims (19)
1. the operation method of scrubbing-and-drying unit, wherein the scrubbing-and-drying unit has washing container (1), can be rotated to support on institute
It states the roller (2) in washing container, control device (18) and plant air channel (5), the roller and has closable glass
Door (22), wherein the roller (2) is used to receive when the glass door (22) are opened and takes out washed part (3), described
Exist in plant air channel for heating the heating device (7) of air, air blower (6) and for measuring temperature TpcAt least one
A temperature sensor (14,15,16), the method includes the following steps:
(a) the temperature T in the plant air channel (5) is measured at least one described temperature sensor (14,15,16)pc 1;
(b) it is directed to Tpc 1≥Tpc limThe case where, cooling program is executed with plant air, wherein Tpc limIt is the upper of the plant air
Limit temperature, wherein the cooling program is carried out until reaching preset temperature Tpc set≤Tpc limUntil;With
(c) washing procedure is executed.
2. the method according to claim 1, wherein at least one described temperature sensor (14,15,16) is direct
Measure the temperature of the glass door (22).
3. the method according to claim 1, wherein at least one described temperature sensor (14,15,16) is arranged
For the air blower (6) are connected a period Δ t far from the glass door (22), and before the measurementblow, so as to
Promote equalized temperature in the plant air channel (5).
4. according to the method described in claim 3, it is characterized in that, the period Δ tblowOf length no more than one minute.
5. the method according to any one of above-listed claim, which is characterized in that the cooling program includes by the work
Skill air is directed across a heat exchanger (8) being arranged in the scrubbing-and-drying unit.
6. the method according to claim 1, wherein the cooling program includes making the plant air of heat and coming from
The water of flusher (10) for heat exchanger (8) contacts.
7. the method according to claim 1, wherein the cooling program includes making the plant air of heat and coming from
The water of water system (20) contacts.
8. according to the method described in claim 6, it is characterized in that, the cooling program includes making the plant air of heat and coming from
The water of water system (20) contacts.
9. method described according to claim 6 or 7 or 8, which is characterized in that the water M used in the cooling programcStream
Enter in the washing container (1), and the water is chosen so as to described in the water is less than and makes in the washing container (1)
The lower end of roller (2) is immersed in the water required water Mb。
10. according to the method described in claim 6, it is characterized in that, by by the plant air of the heat heat from described
The water of flusher (10) is used to the washing procedure in implementation steps (c).
11. the method according to the description of claim 7 is characterized in that coming from for being heated by the plant air of the heat is described
The water of water system (20) is used to the washing procedure in implementation steps (c).
12. according to the method described in claim 8, it is characterized in that, by by the plant air of the heat heat from described
Flusher (10) and from the water system (20) water are used to the washing procedure in implementation steps (c).
13. according to claim 1-4, method described in any one of 6-8,10-12, which is characterized in that according to coming self-water-supplying system
The temperature T of the water of system (20)aqTemperature Tpc lim, so that being no more than preset temperature shock intensity Δ Tshock。
14. according to the method for claim 13, which is characterized in that the temperature shock intensity Δ TshockFor 100K.
15. according to claim 1-4, method described in any one of 6-8,10-12,14, which is characterized in that in the cooling journey
Rotate the roller (2) during sequence.
16. according to the method for claim 15, which is characterized in that the roller (2) is to reverse method of operation operation.
17. according to the method described in claim 4, it is characterized in that, the period Δ tblowLength be about 30 seconds.
18. scrubbing-and-drying unit, which has washing container (1), can be rotated to support in the washing container
Roller (2), control device (18) and plant air channel (5), the roller have closable glass door (22), wherein institute
It states roller (2) to be used to receive when the glass door (22) are opened and take out washed part (3), in the plant air channel
In the presence of heating device (7), the air blower (6) and for measuring temperature T for heating airpcAt least one temperature sensor
(14,15,16),
It is characterized in that, the control device (18) is arranged for implementing following methods, the method includes the following steps:
(a) the temperature T in the plant air channel (5) is measured at least one described temperature sensor (14,15,16)pc 1;
(b) it is directed to Tpc 1≥Tpc limThe case where, cooling program is executed with plant air, wherein Tpc limIt is the upper of the plant air
Limit temperature, wherein the cooling program is carried out until reaching preset temperature Tpc set≤Tpc limUntil;With
(c) washing procedure is executed.
19. scrubbing-and-drying unit according to claim 18, which is characterized in that in order to measure the temperature of the plant air
Tpc, temperature sensor T1 (14) are set between drum inlet and the glass door (22), in drum outlet (24) and the glass
Temperature sensor T2 (15) are set between glass door (22), and/or temperature sensor T3 (16) are set on the glass door (22).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102014219379.6 | 2014-09-25 | ||
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 |
Publications (2)
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CN105463813A CN105463813A (en) | 2016-04-06 |
CN105463813B true CN105463813B (en) | 2019-07-09 |
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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)
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EP (1) | EP3000924B1 (en) |
CN (1) | CN105463813B (en) |
DE (1) | DE102014219379A1 (en) |
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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 |
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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 |
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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
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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)
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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 |
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CN105463813A (en) | 2016-04-06 |
DE102014219379A1 (en) | 2016-03-31 |
EP3000924B1 (en) | 2019-08-21 |
EP3000924A1 (en) | 2016-03-30 |
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