CN107208350A - Method and the condenser dryer suitable for this for asking for washings characteristic - Google Patents
Method and the condenser dryer suitable for this for asking for washings characteristic Download PDFInfo
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- CN107208350A CN107208350A CN201680008688.5A CN201680008688A CN107208350A CN 107208350 A CN107208350 A CN 107208350A CN 201680008688 A CN201680008688 A CN 201680008688A CN 107208350 A CN107208350 A CN 107208350A
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- washings
- time interval
- liquid
- condensation
- sensor
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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
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
-
- 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
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- 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
- D06F2103/38—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
- D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
-
- 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
- D06F2105/58—Indications or alarms to the control system or to the user
-
- 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
-
- 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
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
Abstract
The present invention relates to a kind of method for being used to run condenser dryer (1), the condenser dryer has process air passage (2), with being placed on the roller (3) of washings therein, for the heat exchanger (15) of condensation of water, liquid sensor (11), time measurement device (5) and control device (10) in condensation liquid bath (17) from damp and hot process air, wherein, at least one time interval Δ t is measured by the time measurement device (5)n, wherein, n >=1, the time interval from the damp and hot process air in order to be condensed out predetermined amount m=mset1Water be required, also, to the time interval analyze evaluation to determine at least one characteristic of the washings, wherein, in order to analyze evaluation, it is considered to be stored in it is in the control device (10), in Δ tnAssociation between at least one described characteristic, wherein, by time interval Δ tnTime interval Δ t followed byn+1Ratio try to achieve business Q so that Q=(Δ tn+1/Δtn), also, implement methods described until Q>1, it is indicated above the transition between stabilization sub stage and unstable stage.In addition, the present invention relates to a kind of condenser dryer for being applied to implement this method.
Description
Technical field
It is applied to the present invention relates to a kind of method for being used to ask for the characteristic of washings in the drying process and one kind real
Apply the condenser dryer (hereinafter also referred to as " drying machine ") of methods described.It is used to run condensation drying the invention particularly relates to one kind
The method of machine, the condenser dryer has process air passage, with being placed on the roller of washings therein, for from wet
The heat exchanger of condensed water, the liquid sensor in condensation liquid bath, time measurement device and control dress in the process air of heat
Put.In addition, the present invention relates to a kind of condenser dryer for being particularly suitable for use in implementing methods described.
Background technology
According to the drying process of condensation method with the process air by means of warm make moisture evaporation in washings and
Based on being dehumidified by condensation on the heat exchanger to process air.Here, in the drying process, cold process air is first
Heater is generally conveyed through by fan.Then, xeothermic process air enters as in the roller of hothouse, the roller bag
Contain washings to be dried.Here, xeothermic process air absorbs the moisture in washings.Then, now damp and hot process
Air is dehumidified in continuing transported to the air-air heat exchanger or evaporator of such as heat pump from roller.Damp and hot
Process air wherein be cooled and make be included in the process air in water condensation and collect in so-called condensate liquid
In groove, the condensation liquid bath is usually located at below heat exchanger.When reaching the liquid level of determination, condensed water generally passes through
Pump (being also referred to as herein " condensate pump ") be drawn into the container (being also referred to as herein " condensate tank ") for intermediate storage or
In person's drainage channel.
Usually, drying process is divided into three phases：That is heating period, main drying stage and cooling stage.Adding
In the hot stage, process air temperature rises, the predetermined temperature value until reaching.As temperature is improved, process air can also
Increasing moisture is absorbed from washings, i.e., also has increasing water condensation in the heat exchanger for cooling.If
Predetermined temperature value is reached, then process air generally uniform absorbs substantial amounts of water from the washings in roller.That is, water is cold
It is solidifying also to keep constant.This period is referred to as the stabilization sub stage of drying process or main drying stage.Evaporation or condensation enter
Row evaporates with surface water from washings equally to be stablized for a long time.If evaporating the hole in the fabric that final transition is washings
The evaporation of gap water and capillary water, then this need increasing time and energy.Evaporation and thus then in a heat exchanger
Condensation is more and more slowly carried out.Because the water of per time unit's condensation reduces, the stage is also referred to as the unstable stage.Dry
Process (also referred to as " drying program ") is terminated with cooling stage, and in the cooling stage, heater is generally turned off, and
It is cooled through dry washings in the cooling stage.
It is especially important from the transition for being stabilized to the unstable stage in the above-described stage, because the transition bag
Information containing the humidity on washings and so as to allowing extremely accurate to control drying process and thus protect washings
Ground and implement drying process with having efficiency.Therefore, it is possible to realize the method accurately asked for the transition in drying process
It is Worth Expecting.
Heating period for drying process protection washings and control with having efficiency to be also important.To roller to wash
Wash thing loading ask for should carry out as early as possible in the drying process, so that just have been able to will be dried the morning in the period of
Journey adapts to load, because different for different amounts of washings situation.Therefore, it is possible to have been carried out loading in the heating period
The method asked for be Worth Expecting.
The A1 of DE 10 2,008 021 598 illustrate that a kind of washings for the control unit for having and being used to control drying process is done
Dry utensil.Here, control unit is provided for, drying process is controlled based on the sensing data for loading sensor.
The A1 of DE 10 2,009 028 358 illustrate at a kind of washings for washings to be dried and/or washed
Manage utensil, its have the roller, the electro-motor for driving roller and the control for electro-motor that rotatably support and
Measurement apparatus, wherein, control and measurement apparatus sense at least one electrical parameter of electro-motor, and wherein, control and measure
Device determines the loading of roller, the quality for the washings being especially brought in roller according to the electrical parameter sensed.
The C2 of DE 42 43 594 illustrate a kind of method for being used to control the drying process of dryer for washings, the washings
Drying machine includes roller, fan, motor, heater, two temperature sensors and the humidity sensor of transmission heat, wherein, institute
Sensor arrangement is stated between roller and the fan of transmission heat.In the process, predefining after drying process starts
Time in the past after, measurement per time unit temperature change and humidity value, and by the two values and averaged,
Thus, small amount, big amount or excessive amount are defined as by object amount is washed based on average value, and according to washing for mutually should determine that
Wash object amount and control further drying process.
The A1 of DE 10 2,006 037 239 illustrate a kind of dryer for washings or scrubbing-and-drying unit and a kind of for controlling
The method of the drying of moist washings in the washings roller of dryer for washings or scrubbing-and-drying unit, in the side
Warm air is produced in method, and in the process, consider at least one humidity value of washings to be dried or with
Terminate drying process in the case of the corresponding measured value of the humidity value.In order to targetedly terminate drying, additionally consider
It is when reaching predetermined humidity value or the measured value corresponding with the humidity value or striked afterwards in dry washing material
, corresponding with the corresponding loading condition of corresponding washings type and/or washings roller temperature parameters.
The A1 of DE 44 11 958 disclose a kind of household washing thing drying machine, and it has electronic program control device and tool
There is the washings roller rotatably supported and pass through washings roller for the dry air conveyed from calandria by-pass flow
Ventilation blower.The resistance of dry goods with the time raising and enter bowl temperature and roller output temperature temperature difference it is sensed and
Evaluation is analyzed, wherein, washings type and the deduction of washing weight of dry goods are thus drawn by means of electronic installation.With
The data that this mode is obtained are supplied as the controling parameter of the further process control for selected drying program
To presetting apparatus.
The A1 of DE 199 18 877 explanations are a kind of to be used to before drying process terminates estimate in family expenses dryer for washings
In loading and/or the method for drying the duration, in the method, ask for the parameter related to washings humidity and for doing
Temperature of the dry air stream before or after the air stream is contacted with washings is measured.It is related to washings humidity
Temperature of the parameter with air stream before or after the air stream is contacted with washings measure to be conveniently used in combination and estimate
Meter loads and/or dried the duration.
The B1 of EP 2 227 585 illustrate a kind of washings drying appliance and a kind of method for running the utensil, at this
Determined in method as the water content of the process air derived from washings roller, and by heat exchanger from process air at least
Partly condensed moisture, wherein, at least one temperature of the medium of heat exchanger is flowed through by measurement and by analyzing evaluation
Measured temperature determines humidity.Medium is process air either cooling agent, and is discharged by measuring in heat exchanger
The discharge temperature of the medium of side and water content is determined by the entrance temperature measured in the medium of heat exchanger approaching side.Unfavorable
It is that washings drying appliance additionally must have at least one temperature sensor by configuration.
The A2 of WO 2014/040904 illustrate that a kind of condenser dryer for asking for device and one kind with loading is used for its fortune
Capable method.At least one temperature sensor is arranged in coolant guiding channel and/or process air passage, and control device
It is provided for, according to the amount with the temperature versus time curve of at least one temperature sensor measurement and condensed water with the time
Change curve ask for roller with the loading of washings.Here, condensing rate is for example passed by the water level in condensation liquid bath
Sensor or by flow sensor or by it is determined that time interval in the quantity of pump circulation determine.
The C2 of patent document DE 42 11 012 explanations are a kind of to be used for according to for washings or other objects to be dried
Drying machine in dry goods moisture control drying process method, the drying machine be equipped with for discharge it is wet
The condensing plant of gas, wherein, state parameter, such as condensation number, condensate liquid through-current capacity or the similar ginseng occurred on condensing plant
The gradient of amount is used as measurement parameters.When drying process starts, the Grad of rising is provided in dryer for washings
In washing object amount explanation.
The A2 of EP 0 481 561 illustrate a kind of dry in drying machine, scrubbing-and-drying unit or similar machine for controlling
The method of dry degree, it includes roller, for drying the normal of washings wherein by the hot-air through roller produces circulation
Rule equipment, the equipment for cooling down the air, at least one water (institute removed for collection by the air from washings
Water is stated to be condensate in during circulating in one or more of equipment equipment) case or vessel and for having from vessel
Sharply it is circulating remove water pump.In order to control the aridity of washings, measured within the predetermined time in washings
The water discharged during drying by the washings, and if the measured value obtained is less than predetermined value, then carry
For the signal for making machine stop.
The A2 of EP 1 006 231 illustrate a kind of washing for being used for control in clothes washing utensil or in similar appliances
The method of the drying of tote, air stream is heated and for removing water simultaneously from the washload in the utensil
And for being transported at least one collection vessel, wherein, repeated during a number of predetermined time interval (t)
The change (Q) of the amount (L) for the water that ground detection is removed from washload.Make adding for air stream as the reaction to changing (Q)
Drop to during thermal break, at least one time interval of the change in the time interval (tx) predetermined value with
Under.
The content of the invention
In this context, task of the invention is to be used to ask for washings characteristic and for controlling cold there is provided one kind
The improved method of drying process in solidifying drying machine.In addition, the task of the present invention is that there is provided a kind of condensation suitable for this
Drying machine.
According to the present invention, the solution of the task passes through one kind with the feature of corresponding independent claims respectively
Method and a kind of condenser dryer suitable for this are realized.The side according to the present invention is enumerated in the corresponding dependent claims
Method and the preferred embodiment according to condenser dryer of the invention.The preferred embodiment of the method according to the invention is corresponding
In the preferred embodiment of the condenser dryer according to the present invention, and vice versa, even if not yet explicitly being emphasized to this.
Therefore, object of the invention is a kind of method for running condenser dryer, and the condenser dryer had
Journey air duct, be placed on washings therein roller, for from damp and hot process air condensation of water heat hand over
Parallel operation, liquid sensor, time measurement device and control device in condensation liquid bath, wherein, passage time measurement apparatus is surveyed
Measure at least one time interval Δ tn, wherein, n >=1, the time interval is predetermined in order to be condensed out from damp and hot process air
Amount m=mset1Water (hereinafter also referred to " and amount mset1Condensate liquid ") be required, also, in order to determine washings at least
One characteristic and at least one described time interval carry out analysis evaluation, wherein, consider to be stored in control to analyze evaluation
It is in device processed, in Δ tnAssociation between at least one characteristic, wherein, by time interval Δ tnTime followed by
Interval of delta tn+1Ratio try to achieve business Q so that Q=(Δ tn+1/Δtn), also, implement methods described until Q>1, it is indicated above
Transition between stabilization sub stage and unstable stage.
Condensing liquid quantity mset1Condensing liquid quantity until collected by predetermined level is normally identified as in condensation liquid bath.Should
Level can determine that the water in condensation liquid bath is gathered in reaches the water by horizon sensor or the switch related to level
Usually, then the switch conversion condensate pump, the condensate pump pumps out the water assembled.
Startup of the beginning of the method according to the invention generally with drying program is carried out simultaneously.In the drying program generally
Heater and fan are connected, so as to which roller will be transported to for the heated process air for drying moist washings
In.
In this regard, the characteristic of washings preferably includes humidity and useful load.
The humidity of washings changes during drying process, because surface moisture and last pore moisture and capillary first
Moisture evaporates from the fabric of washings.According to humidity and fabric type of the washings when drying process starts, dried
The change curve of humidity in journey is different, therefore, humidity continuous and accurately ask for protection washings for washings with
It is favourable to have the drying of efficiency and the accurate control of the final residual moisture in terms of predetermined value, such as " ironing dry "
's.
The characteristic of washings for example also includes useful load.Here, striked useful load refers to being fitted into treating in roller
The dry mass of dry washings.However, when drying process starts, washings washing procedure and 1200 revs/min from
With such as about 60% moisture for the dry mass of washings after heart dehydration.In addition, different loadings
Situation is different in the drying process for amount.Thus, for example the drying process under complete loading condition is relative in half loading condition
Under drying process time lengthening.The duration in each stage undergone in the drying process can also be different.
In the method according to the invention, the characteristic of washings by be stored in it is in control device, for time interval
Δtn(wherein, the association of the different value of n >=1) is asked for.Time interval Δ tnIt is for being condensed out from damp and hot process air
Measure mset1Water required for time interval, wherein, time interval Δ tnIt can be analyzed by the pump circulation to condensate pump
Evaluation is measured, and the condensate pump that the condensate pump will accumulate in condensation liquid bath comes out progress intermediate storage or removing.Pump
Circulation includes at least one operation phase and the quiescent phase of pump, wherein, the operation phase is characterised by pumping out condensate liquid, and
Quiescent phase is characterised by inactive state or the low operation power rating without conveying power.
In the method according to the invention, it is considered preferred to which the time span of the static interval of condensate pump is used as time interval
ΔtnMeasure.
Normally, when at least one liquid sensor response being arranged in condensation liquid bath, the operation phase of pump is started.
Preferably, when condensation liquid bath in reach predetermined maximum stage Hmax1When, start the operation phase of condensate pump, and transport
Row order section so continues for a long time, until predetermined amount mset1Water be pumped out and thus reach minimum water level Hmin。
In another embodiment, for condensate pump static interval analysis evaluation supplement or alternatively, it is considered to
The time span of the static interval of flow sensor in condensate liquid passage is used as Δ tnMeasure.The type of flow sensor
It is unrestricted.Normally, the volume flow of the aqueous liquid of flow sensor measurement time per unit.When condensate liquid is through subcooling condensate
Passage is out-of-date from flow sensor by-pass flow, and flow sensor is responded and flow sensor sends sensor to control device and believed
Number.It is such case when starting the running status of pump.If pump transitions are into quiescent phase, flowed through there is no condensate liquid
Condensate liquid passage and from flow sensor by-pass flow, and sensor no longer sends sensor signal to control device.Therefore,
Alternatively, or additionally, the sensor signal of flow sensor can be measured by time measurement device and thus asked for the time
Interval of delta tn。
Concept " liquid sensor " used herein represent can confirm a kind of sensor that aqueous liquid is present or
Person's sensing system.Concept " response " used herein means：The sensor signal sent by sensor shows aqueous
The presence of liquid.Liquid sensor is usually the system of level sensor or level sensor.According to the present invention, level sensor
The type of device is unrestricted.Level sensor can be sensor for example with reed contact and buoy, optical sensor or
Person's conductivity sensor.Different types of sensor can also be mutually combined.
In an embodiment of the method in accordance with the present invention, conductivity sensor is arranged in the H in condensation liquid bathmax1Highly
Place.The condensate liquid accumulated during drying process on the heat exchanger is collected and is gathered in condensation liquid bath.If condensation
The liquid level of liquid reaches height Hmax1, conductivity sensor is arranged at the height, then conductivity sensor is responded.By controlling dress
Put the operation phase that analysis evaluation is carried out to sensor signal and starts pump.Then, pump generally by condensate liquid from condensation liquid bath
It is transferred in container to carry out intermediate storage by so-called condensate liquid passage, wherein, also using concept, " condensate liquid holds herein
Device ", or be transferred in drainage channel to be purged.If the liquid level of the condensate liquid in condensation liquid bath reaches lower section
Liquid level Hmin, then pump transitions are into quiescent phase, until the condensate liquid due to inflow reaches liquid level H againmax1
Untill.Here, for example can be by means of in height HminSecond level sensor at place starts the quiet of pump by another equipment
Only stage.
In a further embodiment of the method in accordance with the present invention, the 3rd conductivity sensor is additionally arranged in height
Hmax2On, this is highly less than height Hmax1, wherein, in Hmax2In conductivity sensor can with Hmax1In conductivity sensor
Independently activated by control device.Concept " activation " is here meant that：Sensor is responded in the presence of aqueous liquid.With the party
Formula can pass through two different liquid level Hmax1And Hmax2The predetermined difference for being used to start the condensate liquid of the operation phase of pump
Amount mset1And mset2。
In a preferred embodiment of the present invention, set up it is measured by passage time measurement apparatus, for from wet
Condensation output m in the process air of heatsetWater time interval Δ tnPass between the characteristic of the washings in roller
Connection.By measured time interval Δ tnThe time interval Δ t followed by measuredn+1Try to achieve business Q：
Q=Δs tn+1/Δtn
In the heating period, business Q<1 because in this stage, condensate liquid is produced be not constant and over time on
Rise.The process air for being generally conveyed through washings by fan is also not up to predetermined treatment temperature.Therefore, with washing
The amount of the water absorbed in the roller of thing by xeothermic process air rises.Therefore, in a heat exchanger from damp and hot process air
The amount of the water of middle condensation also rises.Predetermined liquid level in condensation liquid bath, such as H are reached quicklymax1Have with it
The amount of the predetermined condensate liquid closed, such as mset1, and start the running status of pump quickly.Measured time interval Δ
tnShorten, Δ tn>Δtn+1。
In the first stage of main drying stage, business Q is equal to 1.The stage is referred to as the stabilization sub stage, because cold herein
Lime set is produced consistently to be carried out under conditions of holding is constant.In the stabilization sub stage, surface water steams from the washings in roller
Hair.In the case where condensate liquid generation is constant, predetermined liquid level in condensation liquid bath, example are equally rapidly reached respectively
Such as Hmax1Amount, such as m with associated predetermined condensate liquidset1, and start operation shape of the pump in constant circulation
State.Measured time interval Δ tnEqually it is constant, Δ tn=Δ tn+1。
In the second stage of main drying stage, business Q>1.The stage is referred to as the unstable stage.Herein, realize by
The transition of the evaporation for being evaporated to pore water and capillary water of surface water on the fabric of washings in washings roller.Because needing
More energy and more times is wanted to be used to evaporate, condensate liquid is produced and reduced over time.Reach more and more lately in condensation
Predetermined liquid level, such as H in liquid bathmax1Amount, such as H with associated predetermined condensate liquidmax1, and compared with
Start the running status of pump lately.Measured time interval Δ tnBecome big so that Δ tn<Δtn+1。
Therefore, in the method according to the invention, by time interval Δ tnTime interval Δ t followed byn+1Ratio
Example tries to achieve business Q so that Q=(Δ tn+1/Δtn), and implement methods described until Q>1, it is indicated above in the stabilization sub stage and not
Transition between stabilization sub stage.
In addition, according to the present invention preferably, for Q>1, the predetermined amount m for being used in the condensation of water is reduced to value mset2
<mset1.In this way, improve the quantity of pump circulation and thus improve for Δ tnMeasured value quantity, thus improve not
The accuracy of measurement in stabilization sub stage.This is favourable, because the humidity for especially closing on the end washings of drying process connects
Nearly predetermined remaining humidity, and the accurate of humidity ask for allowing targetedly to terminate drying process.
In another preferred embodiment, methods described is implemented, until Q reaches predetermined, remaining as washings
The value Q measured of remaining humidityset1Untill, wherein, in order to determine remaining humidity, it is considered to it is being stored in control device, in Q and
Association between the remaining humidity of washings.
The present invention can be advantageously carried out, and reach the predetermined value Q for Qset2When, reduce the power of heater
Or even turn off heater.Washing can also with more having efficiency and be more protected in this way the method according to the invention
Thing ground configuration.
In a particularly preferred embodiment of the method according to the invention, very first time interval of delta t1As for rolling
Cylinder measures analyzed evaluation with washings loading condition, wherein, in order to analyze evaluation, it is considered to stored in control device
, in Δ t1And roller is with the association between the loading condition of washings.Advantageously, be this it is also contemplated that washings type and
Thus fiber type is considered.Herein, the dry mass for being interpreted as being loaded into the washings to be dried in roller is loaded.According to this
Invention is it is well established that when roller loads small with the quantitative change of washings, the beginning of the first pump circulation postpones in time.For example with
The washings of 1200 revs/min of centrifugal dehydrations in washing machine has the remaining humidity of 60% water.If loaded with half
Condenser dryer is run compared with the condenser dryer loaded completely, then the first of pump circulation in the case of being loaded half
The time interval that secondary beginning for example postpones 3 to 4 minutes.
In addition, the object of the present invention is a kind of condenser dryer, it has process air passage, for receiving washings
Roller, for from damp and hot process air the heat exchanger of condensation of water, condensation liquid bath in liquid sensor, the time survey
Device and control device are measured, wherein, control device is provided for implementing a kind of method, in the method, passage time measurement dress
Put at least one time interval Δ of measurement tn, wherein, n >=1, the time interval from damp and hot process air in order to be condensed out
Predetermined amount m=mset1Water be required, and analysis evaluation is carried out at least one described time interval to determine to wash
Wash at least one characteristic of thing, wherein, in order to analyze evaluation, it is considered to be stored in it is in control device, in Δ tnAnd at least one
Association between characteristic, wherein, by time interval Δ tnTime interval Δ t followed byn+1Ratio try to achieve business Q so that
Q=(Δ tn+1/Δtn), also, implement methods described until Q>1, it is indicated above between stabilization sub stage and unstable stage
Transition.
According to the present invention, the type of liquid sensor is unrestricted, and the liquid sensor can be for example with reed
Sensor, optical sensor or the conductivity sensor of contact and buoy.
In a preferred embodiment of condenser dryer, the liquid sensor in condensation liquid bath, the first water level are used as
Sensor is in height Hmax1Place and the second level sensor is in height HminPlace is disposed so as in the first and second water levels
Liquid level difference between sensor corresponds to the amount m of condensate liquid1.It is preferred that the 3rd level sensor is arranged in condensation liquid bath
In height Hmax2Place, wherein, correspond to the amount m of condensate liquid in the liquid level difference of second and the 3rd between level sensor2<m1。
Normally, according to the present invention condenser dryer in, condensate pump be arranged in condensation liquid bath in or with it is cold
In the condensate liquid passage of condensate tank connection.
To this alternatively or additionally, in another embodiment of the present invention, flow sensor is arranged in and condensate liquid
In the condensate liquid passage of groove connection.
Condense liquid bath generally by so-called condensate liquid passage with for the container, i.e. cold to condensate liquid progress intermediate storage
Lime set container is connected with the discharge pipe line for removing condensate liquid.Because generally condensation liquid bath is arranged in condenser dryer
In base assemblies and condensate liquid is removed against gravity from the condensation liquid bath, in the condenser dryer according to the present invention,
Generally condensate pump is disposed with condensation liquid bath or in condensate liquid passage.
In addition, generally there is heater, especially electric heater unit or gas according to the condenser dryer of the present invention
Heater, wherein, preferably use electric heater unit.Heater is used in the roller that process air imports condenser dryer
Heating process air before.
Temperature sensor is generally also had according to the condenser dryer of the present invention, the temperature sensor is empty for measurement process
Temperature degree and be arranged in process air passage or cooling air passage.
For course of conveying air, condenser dryer also has fan generally in process air passage.
In it can be configured as exhaust air dryer or drying by circulating air machine, condenser dryer according to the present invention,
Exist at least one heat exchanger to damp and hot process air dehumidifying.This is generally by cooling down damp and hot process air
To realize.Heat exchanger is in order to give process air dehumidifying usually using cooling medium, such as cooling air or refrigerant.
Heat sink, the especially evaporator of heat exchanger in particular air-air heat exchanger either heat pump.
Here, heat pump is characterised by that two heat exchangers, i.e., one is heat sink and a thermal source, and it is pump installation,
Heat be absorbed in this it is heat sink in, give out heat in the thermal source, the pump installation if necessary temperature change in the case of will
Heat is transferred to thermal source from heat sink.In the condenser dryer equipped with compressor-type heat pump, warm, the moist process sky of load
The heat sink middle progress of the main also referred to as evaporator in heat pump of cooling of gas, there, uses transmitted heat to evaporate
The refrigerant circulated in the pump installation for be configured as loop.The refrigerant evaporated due to heating is in pump installation by thermal source
The compressor of (thermal source is the liquefier for refrigerant) is supplied to heat pump, there, due to the liquefaction of gaseous refrigerant
And discharge heat.Behind liquefier, liquid refrigerant reduces pressure in the choke valve of pump installation, thus its intrinsic pressure
Reduce and eventually pass back to evaporator.
In the condenser dryer according to the present invention, the evaporator of preferably air-air heat exchanger or heat pump is located at
In process air passage.If using air-air heat exchanger, preferably existed in the air-air heat exchanger cold
But air duct, make relatively cool air especially from the installation room of drying machine as cooling medium by means of cooling air fan
It is carried through the cooling air passage.
According to the condenser dryer of the present invention is especially certainly as dryer for washings or is scrubbing-and-drying unit.Herein,
Scrubbing-and-drying unit is combined utensil, and the combined utensil, which has the washing function for being used for being washed to washings and had, to be used for
The functions/drying that moist washings is dried.
Advantageously, drying machine has optical and/or acoustics the display device of the different conditions for drying machine.For
This, preferably uses optical display device.Display device can be for example by exporting text or by making different color hair
Optical diode light provide on drying machine run information, for example on activation level sensor quantity or choosing
Select, i.e. to Δ tnAnalysis evaluation accuracy information, on useful load, such as heating period in stage of drying process, steady
Determine the information of stage, unstable stage or the residual remaining time for the drying program being currently running.
It is an advantage of the invention that can be in a very accurate manner by the change during being condensate in drying process with the time
Change curve and carry out analysis evaluation to ask for washings characteristic, such as loading and humidity.In embodiments of the present invention, for roller
With each independent process for loading each stage that can ask for drying process in detail of washings so that drying process can be with
This is adapted at any time and the drying process is automatically adjusted.Very early, in the heating period can just it ask
Take useful load.In embodiments of the present invention, especially may be used by the predetermined humidity of the procedure selection of user and final moisture content
To pass through condensing liquid quantity msetVariable adaptation and ask for exactly.Therefore, the method according to the invention allows to adapt to user
It is required that ground, independently, with having efficiency and protection washings implement drying process.Furthermore, it is possible to pass through the side according to the present invention
Method saves humidity sensor and temperature sensor in roller.
Brief description of the drawings
Fig. 1 and 2 in reference to the accompanying drawings illustrates the other details of the present invention, shows in the drawing according to the present invention
The condenser dryer embodiment that its invent substantial part two does not limit in other words, wherein, in the condensation drying
The method according to the invention can be implemented in machine.
Fig. 1 shows the sectional elevation of condenser dryer in the first embodiment；
Fig. 2 shows the sectional elevation of the condensation liquid bath of the second embodiment of condenser dryer, wherein, in condensation liquid bath
In, three conductivity sensors are arranged at various height.
Embodiment
Fig. 1 especially shows the sectional elevation of the condenser dryer 1 according to first embodiment, and the condenser dryer has heat
The evaporator 15 of pump 12,13,14,15 is as the heat exchanger 15 for being dehumidified to process air and can be rotated around horizontal axis
Roller 3 as hothouse, the carrying piece 21 for making washings be moved during roller is rotated is fixed on the drums inside.Tool
There is the sophisticated arrow being filled to show the flow direction of process air.The process ventilation closed in the first embodiment is logical
In road 2, process air is conveyed through electric heater unit 4 by means of process air fan 6.Heated process air is then herein
Reach in roller 3, there, moisture is taken away from unshowned moist washings in Fig. 1.Here, by electric heater unit 4
The process air of heating is conveyed from rear, i.e. from the side opposed with drier door 22 of roller 3 through the bottom of bottom perforated
Into roller 3.Damp and hot process air leaves roller 3 by fine hair fine-structure mesh 31 and flow to heat pump in process air passage 2
Evaporator 15.In evaporator 15, the refrigerant circulated in heat pump circuit 12,13,14,15 is due to empty with damp and hot process
The heat exchange of gas and evaporate and liquefier 12 be supplied to by compressor 13.Here, the process air of moist, warm exists
It is cooled in the evaporator 15 of heat pump 12,13,14,15 and the refrigerant evaporated of heat pump is transported to by compressor 13
Liquefier 12, there, refrigerant to process air being flowed in process air passage 2, through cooling down and dehumidifying by putting
Heat and liquefy.Then the refrigerant existed in liquid form is transported to evaporator 15 again by choke valve 14, thus refrigerant
Circuit closed.Show flow direction of the refrigerant in heat pump with the sophisticated arrow not being filled.
In Fig. 1 in shown first embodiment, condensation liquid bath 17 is arranged on the lower section of evaporator 15, the condensate liquid
Groove collects the water condensed in evaporator 15 from damp and hot process air.By means of the condensate pump in condensate liquid passage 18
20 are drawn into collected condensate liquid in condensate tank 19.Liquid sensor 11 is located in condensation liquid bath 17, the liquid
Sensor is the system of at least two level sensors being not been shown in detail herein, and conductance sensing is used herein for this
Device.Conductivity sensor should especially be located at height Hmax1Place.
When liquid sensor 11 is reaching liquid level Hmax1When respond, then condensate pump 20 is triggered.Here, can
So to control condensate pump 20 so that not less than predetermined minimum fluid height HminShi Suoshu condensate pumps interrupt it
Operation.The time interval Δ t of pump circulation can be asked for by operation phase and quiescent phasen, wherein, according to the present invention, it is considered to cold
The time span of the static interval of lime set pump 20 is used as Δ tnMeasure.To this alternately or additionally, it can also use
When the static interval of the response and stopping of flow sensor 32 in condensate liquid passage 18, especially flow sensor 32 is to determine
Between interval of delta tn, the static interval corresponds generally to the static interval of condensate pump 20.
In Fig. 1 in shown embodiment, roller 3 on the bottom at rear by means of rolling bearing support and
Front is supported by means of bearing cap 7, wherein, therefore roller 3 is placed in the sliding strips 8 on bearing cap 7 and with a flange
It is kept on the end in front.The control of drying machine realizes that the control device can be by user by control device 10
Adjusted by operating unit 9.
Display device 33 can show drying program, for example iron dry for by the selected remaining humidity value of user
Remaining runtime, can either show striked drying machine loading condition or other states or can be with example
The form such as mutually distinguished on color shows the situation of drying program.
In Fig. 1 in shown embodiment, in order to ask for the remaining humidity and loading condition of washings, equipment is dried
There are control device 10, liquid sensor 11, condensate pump 20 and the flow sensor 32 in condensate liquid passage 18 and time
Measurement apparatus 5.Once the water condensed after starting in the heating period on evaporator 15 has reached electricity in condensation liquid bath 17
The height H of derivative sensor 11max1, then conductivity sensor 11 is to the transmission signal of control device 10, and the control device triggers condensate liquid
The operation phase of pump 20.Condensate liquid is drawn into condensate tank by condensate pump 20 from condensation liquid bath 17 by condensate liquid pipeline 18
In 19.Once the liquid level of the condensate liquid in condensation liquid bath 17 has reached minimum fluid height predetermined herein
Hmin, its operation of the interruption of condensate pump 20.In present first embodiment, when drying program starts, time measurement device 5
Time started measures., can be in the hope of by measuring condensate pump 20 until the time span of the static interval of its first operation phase
Roller 3 is taken with washings loading condition, wherein, consider to be stored in control device 10, Δ t to analyze evaluation1And rolling
Cylinder 3 is with the association between the loading condition of washings.
The time measurement carried out by means of time-measurement device 5 essentially continuously or can be carried out discontinuously, its
In, at least one static interval to condensate pump 20 or flow sensor 32 carries out analysis evaluation herein.It is therefore preferable that only
Time measurement is carried out in one or more static tempus intercalares.
In order to determine the dry stabilization sub stage to the transition between the unstable stage, by time interval Δ tnFollowed by
Time interval Δ tn+1Ratio try to achieve business Q so that Q=(Δ tn+1/Δtn), also, implement this method, until Q>Untill 1,
It is indicated above the transition between stabilization sub stage and unstable stage.In embodiment as shown here, for Q>1, make
The predetermined amount m of condensed water is reduced to value mset2<mset1.It is achieved in the phase of the time span of the static interval of condensate pump 20
Realize the improvement of methods described on the whole to reduction and by the relative raising of the quantity for the static interval that can analyze evaluation
Accuracy.
In order to adjust desired remaining humidity, implement the method according to the invention in this embodiment, until Q
Reach by the user directly or indirectly value Q predetermined, as the remaining humidity of washings measuredset1Untill, wherein, it is
Determine remaining humidity, it is considered to be stored in association in control device 10, between Q and the remaining humidity of washings.
Finally, Q predetermined value Q can reached in condenser dryer as shown hereset2When advantageously reduce
The power of heater 4.
Fig. 2 shows the vertical of the condensation liquid bath 17 of the second embodiment being not been shown in detail of condenser dryer with segment
Section.In fig. 2 in shown embodiment, it is disposed with condensation liquid bath 17 in liquid level Hmax1、HminAnd Hmax2Place
Three conductivity sensors 11a, 11b and 11c, wherein, Hmax1>Hmax2>Hmin.Conductivity sensor 11a and 11c can be independent of one another
Activate or disable by control device 10 in ground.In this manner it is possible to condensate liquid with mset1>mset2Predetermined two different
Measure mset1And mset2.By making predetermined amount mset1It is reduced to mset2, had begun to when the liquid level of condensate liquid is smaller cold
The operation phase of lime set pump 20.Thus, improve the quantity of pump circulation and more Δ t can be measurednValue, it is possible thereby to
The humidity of washings is more accurately asked for by the association being stored in control device 10.Herein, 18 represent to be used to condense
Liquid exports to drainage channel or exports to condensate tank and carry out the condensate liquid passage of intermediate storage in the direction of the arrow.Arrow
Flow direction of the condensate liquid during pumping is especially shown.
Reference numerals list
1 condenser dryer
2 process air passages
3 rollers
4 heaters, especially electric heater unit
5 time measurement devices
6 process air fans
7 bearing caps
8 sliding strips
9 operating units
10 control devices
The system of 11 liquid sensors, level sensor
11a is in height Hmax1First level sensor at place
11b is in height HminSecond level sensor at place
11c is in height Hmax23rd level sensor at place
12 liquefiers
13 compressors
14 choke valves
15 evaporators
16 motors
17 condensation liquid baths
18 condensate liquid passages
19 condensate tanks
20 condensate pumps
21 (washings) carrying pieces
22, drier door
31 fine hair fine-structure meshes
32 flow sensors
The display device of 33 optical/acoustics
Claims (14)
1. the method for running condenser dryer (1), the condenser dryer has process air passage (2), with placement
The roller (3) of washings in roller, for from damp and hot process air the heat exchanger (15) of condensation of water, condensation
Liquid sensor (11), time measurement device (5) and control device (10) in liquid bath (17), it is characterised in that by described
Time measurement device (5) measures at least one time interval Δ tn, wherein, n >=1, the time interval is in order to from described damp and hot
Predetermined amount m=m is condensed out in process airset1Water be required, also, to the time interval carry out analysis evaluation with
At least one characteristic of the washings is determined, wherein, in order to analyze evaluation, it is considered to be stored in the control device (10)
, in Δ tnAssociation between at least one described characteristic, wherein, by time interval Δ tnTime interval followed by
Δtn+1Ratio try to achieve business Q so that Q=(Δ tn+1/Δtn), also, implement methods described until Q>1, it is indicated above steady
Determine the transition between stage and unstable stage.
2. according to the method described in claim 1, it is characterised in that the characteristic includes the humidity and washings of the washings
Useful load.
3. method according to claim 1 or 2, it is characterised in that consider the time of the static interval of condensate pump (20)
Length is used as the time interval Δ tnMeasure.
4. method according to claim 3, it is characterised in that when reached in the condensation liquid bath (17) it is predetermined most
Large Water Hmax1When, start the operation phase of the condensate pump (20), also, the operation phase so holds for a long time
It is continuous, until the predetermined amount mset1Water be pumped out and thus reach minimum water level Hmin。
5. method according to claim 1 or 2, it is characterised in that consider the flow sensing in condensate liquid passage (18)
The time span of the static interval of device (32) is used as Δ tnMeasure.
6. method according to any one of claim 1 to 5, it is characterised in that for Q>1, it is used in the institute of condensed water
State predetermined amount m and be reduced to value mset2<mset1。
7. method according to any one of claim 1 to 6, it is characterised in that implement methods described, until Q reaches work
For the value Q measure, predetermined of the remaining humidity of the washingsset1Untill, wherein, in order to determine the remaining humidity,
Consider association stored in the control device (10), between Q and the remaining humidity of the washings.
8. method according to any one of claim 1 to 7, it is characterised in that reaching Q predetermined value Qset2When,
Reduce the power of the heater (4).
9. method according to any one of claim 1 to 8, it is characterised in that very first time interval of delta t1It is used as the rolling
Cylinder (3) measures analyzed evaluation with washings loading condition, wherein, in order to analyze evaluation, it is considered in the control device
(10) it is being stored in, in Δ t1And the roller (3) is with the association between washings loading condition.
10. condenser dryer (1), the condenser dryer has process air passage (2), the roller for receiving washings
(3), for the heat exchanger (15) of condensation of water, the liquid sensor in condensation liquid bath (17) from damp and hot process air
(11), time measurement device (5) and control device (10), it is characterised in that the control device (10) is provided for implementation one
The method of kind, in the method, at least one time interval Δ t is measured by the time measurement device (5)n, wherein, n >=1,
The time interval from the damp and hot process air in order to be condensed out predetermined amount m=mset1Water be required, also,
Analysis evaluation is carried out to the time interval to determine at least one characteristic of the washings, wherein, in order to analyze evaluation, it is considered to
Be stored in it is in the control device (10), in Δ tnAssociation between at least one described characteristic, wherein, by time interval
ΔtnTime interval Δ t followed byn+1Ratio try to achieve business Q so that Q=(Δ tn+1/Δtn), also, implement the side
Method is until Q>1, it is indicated above the transition between stabilization sub stage and unstable stage.
11. condenser dryer (1) according to claim 10, it is characterised in that as in the condensation liquid bath (17)
Liquid sensor (11), the first level sensor (11a) is in height Hmax1Place and the second level sensor (11b) are in height
HminThe liquid level that place is disposed so as between the first level sensor (11a) and the second level sensor (11b) is poor
Corresponding to the amount m of condensate liquid1。
12. condenser dryer (1) according to claim 11, it is characterised in that in the condensation liquid bath (17), the 3rd
Level sensor (11c) is arranged in height Hmax2Place, the second level sensor (11a) and the 3rd level sensor (11b) it
Between liquid level difference correspond to condensate liquid amount m2<m1。
13. the condenser dryer (1) according to any one of claim 10 to 12, it is characterised in that condensate pump (20)
It is arranged in the condensation liquid bath (17) or is arranged in the condensate liquid passage (18) being connected with the condensation liquid bath (17).
14. the condenser dryer (1) according to any one of the claims, it is characterised in that flow sensor (32)
It is arranged in the condensate liquid passage (18) being connected with the condensation liquid bath (17).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015201831.8A DE102015201831A1 (en) | 2015-02-03 | 2015-02-03 | Method for determining laundry properties and suitable condensation dryer |
| DE102015201831.8 | 2015-02-03 | ||
| PCT/EP2016/050168 WO2016124349A1 (en) | 2015-02-03 | 2016-01-07 | Method for ascertaining laundry properties and condensation dryer suitable for said method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107208350A true CN107208350A (en) | 2017-09-26 |
| CN107208350B CN107208350B (en) | 2019-06-11 |
Family
ID=55071046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680008688.5A Active CN107208350B (en) | 2015-02-03 | 2016-01-07 | For seeking the method for washings characteristic and suitable for this condenser dryer |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3253914B1 (en) |
| CN (1) | CN107208350B (en) |
| DE (1) | DE102015201831A1 (en) |
| PL (1) | PL3253914T3 (en) |
| WO (1) | WO2016124349A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188177A (en) * | 2018-11-13 | 2020-05-22 | Bsh家用电器有限公司 | Laundry dryer with acceleration sensor and method for operating the same |
| CN111235845A (en) * | 2018-11-13 | 2020-06-05 | Bsh家用电器有限公司 | Laundry dryer with improved control device and method for operating the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820286A (en) * | 2018-07-23 | 2020-02-21 | 青岛海尔滚筒洗衣机有限公司 | Anti-overflow method and clothes dryer |
| CN111455608B (en) * | 2020-04-08 | 2022-07-05 | 珠海格力精密模具有限公司 | Washing machine, washing control method and device and storage medium |
| EP4212664A1 (en) * | 2022-01-18 | 2023-07-19 | BSH Hausgeräte GmbH | Dryer with a heat pump and a water container comprising an electrode and process for its operation |
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- 2015-02-03 DE DE102015201831.8A patent/DE102015201831A1/en not_active Withdrawn
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- 2016-01-07 WO PCT/EP2016/050168 patent/WO2016124349A1/en active Application Filing
- 2016-01-07 PL PL16700074T patent/PL3253914T3/en unknown
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| EP1006231A2 (en) * | 1998-12-02 | 2000-06-07 | Electrolux Zanussi S.p.A. | Method for controlling washload drying in a clothes drying or similar apparatus |
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| CN111235845B (en) * | 2018-11-13 | 2023-09-19 | Bsh家用电器有限公司 | Laundry dryer with improved control device and method for operating same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3253914A1 (en) | 2017-12-13 |
| EP3253914B1 (en) | 2019-09-04 |
| CN107208350B (en) | 2019-06-11 |
| DE102015201831A1 (en) | 2016-08-04 |
| WO2016124349A1 (en) | 2016-08-11 |
| PL3253914T3 (en) | 2020-04-30 |
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