CN106854825B - Dryer and its control method - Google Patents
Dryer and its control method Download PDFInfo
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- CN106854825B CN106854825B CN201710065767.6A CN201710065767A CN106854825B CN 106854825 B CN106854825 B CN 106854825B CN 201710065767 A CN201710065767 A CN 201710065767A CN 106854825 B CN106854825 B CN 106854825B
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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
- D06F58/22—Lint collecting 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
- D06F58/00—Domestic laundry dryers
- D06F58/30—Drying processes
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a kind of dryer and its control method, dryer includes: roller, condenser, evaporator, baroceptor, water receiving container, water storage container, cleaning device and controller, and roller has air inlet and return air inlet；The outlet end of condenser is connected to air inlet；The outlet end of evaporator is connected with the input end of condenser and its input end is connected to by return air channel with return air inlet；Baroceptor is located in return air channel；Cleaning device has inlet and outlet, and water inlet is connected with the outlet of water storage container, and water outlet is suitable for spraying water to evaporator；Controller is connected with baroceptor and cleaning device respectively, to detect that air pressure real value P is greater than scheduled pressure value P in baroceptorIn advanceTime control produces the mouth of a river and sprays water to evaporator, to clean evaporator.Dryer according to an embodiment of the present invention can clean the soft flocks on heat exchanger in time, improve heat exchange property and drying efficiency.
Description
Technical field
The present invention relates to dryer technical fields, more particularly, to a kind of dryer and its control method.
Background technique
During the drying process, roller undergarment can generate a large amount of soft flocks because of rolling friction to dryer, these soft flocks can follow
Air-flow flow forward, when by heat exchanger, tiny soft flocks can be adhered to that flow area is narrow, shaggy heat exchanger
On.For this purpose, some dryers are provided with soft flocks cleaning systems, with the soft flocks on flushing heat exchanging device.
But when accumulating a large amount of soft flocks on heat exchanger, the soft flocks of heat exchanger upper end can be gradually moved to by current scour
Lower end forms large stretch of wet viscous soft flocks block and is adhered on grid-like heat exchanger, and the water flow sprayed from sprayer body breaks through heat exchange
Remitted its fury behind device upper end, this results in these soft flocks blocks to be difficult to rinse, and over time, can gradually extend up, cause
, so that drying performance is worse and worse, and easily there are the security risks such as on fire in the blocking of entire heat exchanger end face.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of dryer is gone out, the dryer can clean the soft flocks on evaporator in time, improve heat exchange property and the baking of dryer
Dry efficiency.
The invention also provides the control methods of above-mentioned dryer.
Dryer according to an embodiment of the present invention, comprising: roller, condenser, evaporator, baroceptor, water receiving container,
Water storage container, cleaning device and controller, the roller have air inlet and return air inlet；The outlet end of the condenser by into
Wind channel is connected to the air inlet；The outlet end of the evaporator is connected with the input end of the condenser and the evaporator
Input end be connected to the return air inlet by return air channel；The baroceptor is located in the return air channel to detect
It states the air pressure in return air channel and obtains air pressure real value P；The water receiving container is located at below the evaporator described to receive
The condensed water flowed down on evaporator；The water storage container has inlet and outlet, and the import is connected to the water receiving container；Institute
Cleaning device is stated with inlet and outlet, the water inlet is connected with the outlet of the water storage container, the water outlet
Mouth is suitable for spraying water to the evaporator；The controller is connected with the baroceptor and the cleaning device respectively, with
The baroceptor detects that the air pressure real value P is greater than scheduled pressure value PIn advanceWhen control the water outlet to the evaporation
Device water spray, to clean the evaporator.
Dryer according to an embodiment of the present invention, the air pressure real value P being able to detect in return air channel, and it is real-time in air pressure
Value P is greater than scheduled pressure value PIn advanceShi Qingxi evaporator, so as to clean the soft flocks on heat exchanger in time, improve heat exchange property and
Drying efficiency.
In addition, dryer according to the above embodiment of the present invention can also have the following additional technical features:
According to some embodiments of the present invention, the scheduled pressure value PIn advanceFor 4000pa-6000pa.
According to some embodiments of the present invention, the dryer further include: timer, the timer and the control valve
It is connected, the import of the water storage container is connected with the water receiving container in institute by the water pump being connected with the controller
State the timing time t of timerMeterThe water pump is controlled when reaching predetermined time t to open.
Optionally, the predetermined time t meets: t=TAlways- t1, wherein TAlwaysTo dry total time, t1 4min-6min.
According to some embodiments of the present invention, it is equipped in the water receiving container for detecting the hydraulic pressure in the water receiving container
And the first hydraulic pressure sensor being connected with the controller, the hydraulic pressure that the controller is detected according to first hydraulic pressure sensor
The water pump is controlled to absorb water into the water storage container.
According to some embodiments of the present invention, the exit of the water storage container is equipped with water box control valve and the storage
It is equipped with the second hydraulic pressure sensor for detecting the hydraulic pressure in the water storage container in water container, the water box control valve and described
Second hydraulic pressure sensor is connected with the controller respectively, described in the hydraulic pressure control that is detected according to second hydraulic pressure sensor
Water box control valve opens or closes.
According to some embodiments of the present invention, the water inlet includes the first water inlet and the second water inlet, the water outlet
The second water outlet for mouthful including the first water outlet being connected to first water inlet and being connected to second water inlet, it is described
First water outlet and second water outlet are all formed as strip and the central axis of first water outlet and described second
The central axis of water outlet is conllinear.
Optionally, further includes: the first control valve, first control valve be located at first water inlet and with the control
Device processed is connected to open or close first water inlet under the control of the controller；Second control valve, second control
Valve processed is located at second water inlet and is connected with the controller to open or close institute under the control of the controller
State the second water inlet.
Further, the controller controls first control valve and second control valve is alternately opened.
Advantageously, the controller is when first control valve is closed and second control valve is not opened described in control
Water pump is opened.
The control method of dryer according to an embodiment of the present invention, comprising the following steps: S1, the meter of the timer
When time tMeterWith the predetermined time t；S2, if tMeter< t, the air pressure real value P and the scheduled pressure value PIn advance, such as
Fruit P > PIn advance, then stop drying work and the evaporator cleaned；S3, if t≤tMeter< tAlways, control the pulsating pump
It opens until t=tAlways, the evaporator is cleaned.
The control method of dryer according to an embodiment of the present invention can monitor the pressure of return air channel in real time, and in due course
Evaporator is cleaned, the soft flocks on evaporator is cleaned in time, improves heat exchange property and drying efficiency.
According to some embodiments of the present invention, before the step S1, S0 is further comprised the steps of:, according in the roller
Clothing weight and humidity determine drying total time tAlwaysAnd start drying work.
According to some embodiments of the present invention, it is equipped in the water receiving container for detecting the hydraulic pressure in the water receiving container
And the first hydraulic pressure sensor being connected with the controller, the step S3 are further comprising the steps of: S31 controls the water suction
Pump, which is opened, is drawn to the water storage container for the water in the water receiving container；S32, using described in first hydraulic pressure sensor detection
Hydraulic pressure P in water receiving containerSlot, until the PSlotWhen > 0, the pulsating pump is closed.
According to some embodiments of the present invention, further comprising the steps of after the step S3: S4 judges to the evaporation
Whether the cleaning of device terminates, if it is, closing the water box control valve and open the water pump will be in the water receiving container
Water is drawn in the water storage container.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dryer according to an embodiment of the present invention, wherein the arrow with dotted line indicates air-flow
Flow direction, the arrow with solid line indicate the flow direction of water flow；
Fig. 2 is the cleaning sprayer of dryer according to an embodiment of the present invention and the perspective view of evaporator；
Fig. 3 is the bottom view of evaporator cleaning sprayer according to an embodiment of the present invention；
Fig. 4 is the cross-sectional view of an angle of evaporator cleaning sprayer according to an embodiment of the present invention；
Fig. 5 is the cross-sectional view of another angle of evaporator cleaning sprayer according to an embodiment of the present invention；
The step of Fig. 6 is the cleaning control method of dryer according to an embodiment of the present invention figure；
Fig. 7 is the flow chart of the cleaning control method of the dryer of specific example according to the present invention.
Appended drawing reference:
1000: dryer；
100: cleaning device；111: cleaning sprayer；112: cleaning pipe；
1: shell；101: spray chamber；102: exhalant canal；
110: first chamber；1101: the first water inlets；1102: the first water outlets 1102；1110: the first sides inclined-plane；
120: second chamber；1201: the second water inlets；1202: the second water outlets 1202；1210: the second sides inclined-plane；
11: lower case；12: upper housing；1010: the first flangings；1020: the second flangings；
2: supporting element；21: the first supporting elements；22: the second supporting elements；
3: conducting element.
200: roller；201: air inlet；2010: air intake passage；202: return air inlet；2020: return air channel；
300: condenser；400: evaporator；500: water receiving container；600: water storage container；
701: baroceptor 701；702: the first hydraulic pressure sensors 702；703: the second hydraulic pressure sensors 703；
801: the first control valves；802: the second control valves；803: water box control valve；
900: water pump；901: control valve for water pump.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The instructions such as "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only table
Show that first feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
Fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Dryer 1000 according to an embodiment of the present invention is described in detail with reference to the accompanying drawing.Wherein, up and down direction is with Fig. 1 institute
Subject to the up and down direction shown.
Shown in referring to Fig.1, dryer 1000 according to an embodiment of the present invention may include: roller 200, condenser 300, steam
Hair device 400, baroceptor 701, water receiving container 500, water storage container 600, cleaning device 100 and controller (do not show in figure
Out).
Specifically, as shown in Figure 1, roller 200 can have an air inlet 201 and return air inlet 202, clothing to be dried can be with
It is placed in roller 200, the outlet end of condenser 300 can be connected to by air intake passage 2010 with air inlet 201, evaporator
400 input end can be connected with the input end of condenser 300, and the outlet end of evaporator 400 can pass through return air channel
2020 are connected to return air inlet 202, to constitute the circulation loop of drying gas, realize the drying to clothing.
Baroceptor 701 can be located in return air channel 2020, to detect air pressure and the acquisition in return air channel 2020
Air pressure real value P, to realize subsequent control.Water receiving container 500 can be located at 400 lower section of evaporator, to receive from evaporator 400
On the condensed water that flows down.Water storage container 600 can have inlet and outlet, and import can be connected to water receiving container 500, to store water receiving
The received condensed water of container 500.
As Figure 2-Figure 5, cleaning device 100 can have inlet and outlet, wherein water inlet can be with water storage container
600 outlet is connected, and water outlet is suitable for spraying water to evaporator 400, to be adhered on 400 surface of evaporator using condensed water flushing
The impurity such as soft flocks, to improve the heat exchange property of evaporator 400.
Controller can be connected with baroceptor 701 and cleaning device 100 respectively, to detect in baroceptor 701
The real-time P value of air pressure is greater than scheduled pressure value PIn advanceTime control produces the mouth of a river and sprays water to evaporator 400, to clean evaporator 400.
Here, it should be noted that scheduled pressure value P can be return air channel when working normally slightly larger than dryer 1000
When a certain value of air pressure in 2020, i.e. dryer 1000 are run, the pressure in return air channel 2020 is being less than or equal to pre- level pressure
Force value PIn advanceIn the range of when, 1000 normal operation of dryer.It is understood that return air is logical when dryer 1000 operates normally
Resistance in road 2020 is smaller, and the soft flocks adhered on evaporator 400 is less or does not have soft flocks, and is stained with when on evaporator 400
When soft flocks, back wind resistance increases.
It is understood that when baroceptor 701 detects that air pressure implementation value is greater than scheduled pressure value PIn advanceWhen, return air is logical
Resistance in road 2020 increases, so as to judge that the impurity such as the soft flocks adhered on evaporator 400 are more；Work as baroceptor
701 detect that air pressure real value P is less than or equal to scheduled pressure value PIn advanceWhen, 1000 return air of dryer is normal, at this point it is possible to think to steam
The impurity such as the soft flocks adhered on hair device 400 are less.
When dryer 1000 is run, clothing to be dried is put into roller 200, in drying course, is flowed down on evaporator 400
Condensed water by access water receiving container 500, water storage container 600 can store received condensed water in water receiving container 500.Work as gas
Pressure sensor 701 detects that the air pressure real value P in return air channel 2020 is greater than scheduled pressure value PIn advanceWhen, controller control cleaning
The water outlet of device 100 is opened, and the condensed water in water storage container 600 is sprayed to evaporator 400, to rinse evaporator 400, will be glued
It is attached to the removing of the impurity such as the soft flocks on 400 surface of evaporator, to improve the heat exchange property of evaporator 400, improves drying efficiency,
Reduce the security risk of dryer 1000.
Dryer 1000 according to an embodiment of the present invention, by the way that baroceptor 701 is arranged in return air channel 2020, benefit
The air pressure in return air channel 2020 is detected with baroceptor 701 and obtains air pressure real value P, is detected in baroceptor 701
It is greater than scheduled pressure value P to air pressure real value PIn advanceTime control produces the mouth of a river and sprays water to evaporator 400, cleans to evaporator 400,
It will be adhered to the removing of the impurity such as the soft flocks on 400 surface of evaporator, to improve the heat exchange property of evaporator 400, reduce drying
The security risk of machine 1000, and the drying efficiency of dryer 1000 can be improved.
According to some embodiments of the present invention, scheduled pressure value PIn advanceIt can be 4000pa-6000pa, that is to say, that pre- level pressure
Force value PIn advanceCan between 4000pa-6000pa value.For example, scheduled pressure value PIn advanceIt can be 5000Pa, work as baroceptor
When the air pressure real value P of 701 detections is greater than 5000Pa, controller controls water outlet and sprays water to evaporator 400, to evaporator 400
It is cleaned, avoiding return air channel 2020, pressure persistently increases due to being blocked by soft flocks, reduces the probability for the accidents such as on fire occur.
Certainly, scheduled pressure value PIn advanceIt can also be other values in above range, such as 4500Pa, 6000Pa etc., this is to this field
Technical staff for will be understood by, be not described in detail herein.
Optionally, baroceptor 701 can be static pressure analyzer, simple and compact for structure, and detection essence can be improved
Degree.
According to some embodiments of the present invention, dryer 1000 can also include: timer (not shown), timer
It can be connected with controller, the import of water storage container 600 can be by the water pump 900 and 500 phase of water receiving container that are connected with controller
Even, in the timing time t of timerMeterControl water pump 900 is opened when t between reaching predetermined.That is, clothesdrier operation is pre-
It fixes time after t, controller control water pump 900 draws water from water receiving container 500 into water storage container 600, will be in water receiving container 500
Condensed water is delivered in water storage container 600.Thus, it is possible to which the received condensed water of water receiving container 500 is stored to water storage in time
In container 600, the condensed water in water receiving container 500 is siphoned away.
Optionally, the predetermined time can satisfy: t=TAlways- t1, wherein TAlwaysTo dry total time, t1 4min-6min.It needs
It is noted that dryer 1000 can detect the weight and moisture content of clothing to be dried when starting work, and dried accordingly
Dry total time TAlways, the predetermined time will be set as t=TAlways- t1 can be siphoned away cold in water-saving container when drying work closes to an end
Condensate.In this way, drying work and water removal work can carry out simultaneously, when total working so as to which dryer 1000 can be saved
Between, it improves efficiency.
According to some embodiments of the present invention, hold as shown in Figure 1, can be equipped in water receiving container 500 for detecting water receiving
Hydraulic pressure in device 500 and the first hydraulic pressure sensor 702 being connected with controller, controller can be according to the first hydraulic pressure sensor
The hydraulic pressure control water pump 900 of 702 detections absorbs water into water storage container 600, on the one hand, can prevent from not having in water receiving container 500
Water pump 900 dallies when condensed water, can extend the service life of water pump 900；It on the other hand, can be to avoid because of water receiving container 500
Interior condensation dilutional hyponatremia and overflow, reliability can be improved.
In some embodiments, as shown in Figure 1, the exit of water storage container 600 can be equipped with water box control valve 803, and
The second hydraulic pressure sensor 703 for detecting the hydraulic pressure in water storage container 600, water box control can be equipped in water storage container 600
Valve 803 and the second hydraulic pressure sensor 703 can be connected with controller respectively, with the hydraulic pressure detected according to the second hydraulic pressure sensor 703
Control water box control valve 803 opens or closes, thus by the water in water storage container 600 from the outlet of cleaning device 100 to evaporation
Device 400 sprays, and both flushing ability can be caused insufficient to avoid the condensed water in water storage container 600 is very few, and be also possible to prevent water storage appearance
Device 600 breaks down because water level is excessively high, can be further improved the stability and reliability of dryer 1000.
According to some embodiments of the present invention, as shown in figure 3, cleaning device 100 may include: cleaning pipe 112 and cleaning
Spray head 111, wherein the input end of cleaning pipe 112 can be connected with the outlet of water storage container 600, and cleaning sprayer 111 can be located at clearly
The outlet end of pipe 112 is washed, the first water outlet 1102 and the second water outlet 1202 can be located in cleaning sprayer 111, cleaning sprayer
The first chamber 110 and second chamber 120 that are connected to respectively at cleaning pipe 112 can be equipped in 111, the first water outlet 1102 can be with
First chamber 110 is connected to, and the second water outlet 1202 can be connected to second chamber 120.In this way, the partial condensation in cleaning pipe 112
Water can flow into first chamber 110, then evaporator 400 be sprayed to from the first water outlet 1102, to the left-half of evaporator 400
It is rinsed, another part condensed water in cleaning pipe 112 can flow into second chamber 120, then from the second water outlet 1202
Evaporator 400 is sprayed to, the right half part of evaporator 400 is rinsed, the stability of flushing pressure can be improved, further mention
High flushing effect.
It is described in detail below with reference to specific structure of the figure to the cleaning sprayer 111 for being according to the present invention embodiment.
Referring to shown in Fig. 2-Fig. 5, exchanging air device cleaning sprayer 111 according to an embodiment of the present invention may include: 1 He of shell
Supporting element 2.
Specifically, at least part of spray chamber 101 can be with shape as shown in figure 4, can define spray chamber 101 in shell 1
As diameter-changing cavity, water curtain is formed so as to be conducive to flow through the water of spray chamber 101.
As shown in figure 4, supporting element 2 can be located in spray chamber 101, and the both ends of supporting element 2 can only be against spray respectively
On the top wall surface and wall surface of chamber 101, spray chamber 101 is divided into first chamber 110 and second chamber 120.
Wherein, first chamber 110 has the first water inlet 1101 and the first water outlet 1102, and second chamber 120 has the
Two water inlets 1201 and the second water outlet 1202, as shown in Figure 3 and Figure 4, the first water outlet 1102 and the second water outlet 1202 are
It is formed as strip, the water of first chamber 110 is entered from the first water inlet 1101, can be flowed out from the first water outlet 1102,
A part of evaporator 400 is rinsed, the water of second chamber 120 is entered from the second water inlet 1201, can be gone out from first
The mouth of a river 1102 is flowed out, and is rinsed to another part of evaporator 400, is adhered on 400 surface of evaporator so as to take away
The impurity such as soft flocks, improve the heat exchange property of evaporator 400.
As shown in figure 5, the ruler that diameter-changing cavity extends on the extending direction of the first water outlet 1102 and the second water outlet 1202
It is very little to be incremented by water (flow) direction.That is, from the first water inlet 1101 and second the 1201 to the first water outlet of water inlet
1102 and second water outlet 1202 direction on, extending direction of the diameter-changing cavity in the first water outlet 1102 and the second water outlet 1202
On sectional dimension be incremented by, so as to so that uniform fluid flow flow to the first water outlet 1102 and the second water outlet 1202, make to rush
It washes pressure to stablize, the uniformity to the flushing water flow of evaporator 400 is improved, to improve flushing effect.
According to some embodiments of the present invention, as shown in figure 5, the first spray chamber 101 can be integrally formed into the first diameter-changing cavity,
And the second spray chamber 101 can be integrally formed into the second diameter-changing cavity.Thus, it is possible to make from the first water outlet 1102 and the second water outlet
The water of 1202 outflow of mouth is more uniform, so as to improve flushing effect.
In some embodiments, as shown in figure 4, at least one of at least part of the first diameter-changing cavity and the second diameter-changing cavity
Divide the size extended in vertical direction that can successively decrease respectively in water (flow) direction.In other words, at least part of the first diameter-changing cavity
The size extended in vertical direction is successively decreased on the direction from first the 1101 to the first water outlet of water inlet 1102, the second variable diameter
The size that at least part of chamber extends in vertical direction is in the direction from second the 1201 to the second water outlet of water inlet 1202
On successively decrease.In this way, the flushing pressure of the water flowed out from the first water outlet 1102 and the second water outlet 1202 can be made more stable, it can
To further increase flushing effect.
As shown in figure 3, the central axis of the central axis of the second water outlet 1202 and the first water outlet 1102 can be conllinear,
That is the second water outlet 1202 can be located on the extended line of the first water outlet 1102, so that the first water outlet 1102 can rinse evaporation
A part of device 400, the second water outlet 1202 can rinse another part of evaporator 400, and two parts evaporator 400 can
With on same surface, and then the part for the evaporator 400 that can make the first water outlet 1102 that can rinse and the second water outlet
The part of 1202 evaporators 400 that can be rinsed is capable of forming entirety, and evaporator 400 can be by from the first water outlet 1102 and second
The water that water outlet 1202 flows out carries out subregion flushing, improves cleaning effect.
According to some embodiments of the present invention, as shown in figure 4, supporting element 2 may include the first supporting element 21 and second
Support member 22, first chamber 110 can be limited by the first supporting element 21 with shell 1, second chamber 120 can by the second supporting element 22 with
Shell 1 limits, and so as to improve the intensity of first chamber 110 and second chamber 120, improves water flow in first chamber 110
With stability when being flowed in second chamber 120.
Optionally, the first supporting element 21 and the second supporting element 22 can be respectively formed as the plate body extended along the vertical direction, the
One supporting element 21 is connected with one end of the second supporting element 22 and the other end is spaced apart setting, so that spray chamber 101 is divided into first
Chamber 110 and second chamber 120, simple and compact for structure, high reliablity.
Further, as shown in figure 4, could be formed with cavity, cavity between the first supporting element 21 and the second supporting element 22
Can be formed as closing chamber or cavity can be formed to have the open-cavity being in communication with the outside, to mitigate cleaning sprayer 111
Weight saves material.
Optionally, supporting element 2 and shell 1 may be integrally formed, and not only facilitate processing as a result, exempt to install, and can mention
High stability and reliability.
According to some embodiments of the present invention, as shown in figure 4, the first diameter-changing cavity and the second diameter-changing cavity be formed as it is trapezoidal
Chamber, the first side inclined-plane 1110 that first chamber 110 has separate second chamber 120 and is obliquely installed relative to water (flow) direction,
The second side inclined-plane 1210 that second chamber 120 has separate first chamber 110 and is obliquely installed relative to water (flow) direction,
In, the tilt angle on the second side inclined-plane 1210 can be greater than the tilt angle on the first side inclined-plane 1110, so as to by the
One diameter-changing cavity and the second diameter-changing cavity are configured to dissymmetrical structure.
It is understood that the first water inlet 1101 and the second water inlet 1201 are formed on the upper bottom of trapezoidal chamber, first
Water outlet 1102 and the second water outlet 1202 are formed on the bottom of trapezoidal chamber, are not only simple in structure, are facilitated processing, and be conducive to
Water flow forms water curtain, improves flushing effect.
Optionally, as shown in figure 4, evaporator cleaning sprayer 111 can also include: conducting element 3, conducting element 3 can be located at
In second diameter-changing cavity, and conducting element 3 can be connected with shell 1, and conducting element 3 can prolong along the extending direction on the first side inclined-plane 1110
It stretches, and conducting element 3 can be spaced apart with the second side inclined-plane 1210, conducting element 3 can be provided for the water in the second diameter-changing cavity and be led
To effect, make the water in the second diameter-changing cavity under the action of conducting element 3, can smoothly be evenly distributed in the second water outlet 1202
Place.Thus, it is possible to further increase the uniformity for flowing to the water flow of evaporator 400 from the second water outlet 1202, it is clear to be conducive to water curtain
Except impurity such as soft flocks on evaporator 400.
Further, as shown in figure 4, the upstream end of conducting element 3 can be located at the middle part of the first water inlet 1101, i.e. water conservancy diversion
Part 3 by from the second water inlet 1201 by the moisture of the second diameter-changing cavity at two parts, and under the action of conducting element 3, one
Divide water flow that can flow along the extending direction on the second side inclined-plane 1210, thus when water flow reaches the second water outlet 1202, uniformly
Property and continuity are preferable, can be further improved flushing uniformity.
According to some embodiments of the present invention, as shown in figure 5,1 upper casing of shell is equipped with and first chamber 110 and second chamber
120 exhalant canals 102 being used in conjunction, exhalant canal 102 can be formed as strip, and the separate spray chamber 101 of exhalant canal 102
One end can be formed with the first water outlet 1102 and the second water outlet 1202.In this way, flowing through first chamber 110 and second chamber
120 water flow can flow out after flowing through water passage from the first water outlet 1102 and the second water outlet 1202, and structure is simple, water
Flow steady and continuous.
Optionally, as shown in Figure 5 and Figure 6, shell 1 may include lower case 11 and upper housing 12, can set in lower case 11
There is the first flanging 1010 bent downward, upper housing 12, which can cover, to be located in lower case 11, and upper housing 12 can be with lower case
11 cooperations limit spray chamber 101, can be equipped with the second flanging 1020 bent downward, the first flanging 1010 and second on upper housing 12
Flanging 1020 can be spaced apart to form exhalant canal 102, and the lower end of exhalant canal 102 can be formed as 1102 He of the first water outlet
Second water outlet 1202.Shell 1 is simple and compact for structure as a result, can reduce cost to a certain extent.
Advantageously, as shown in fig. 6, the angle between the second flanging 1020 and vertical plane can be 5 ° -25 °.That is, the
Two flangings 1020 are obliquely installed relative to vertical plane, thereby may be ensured that the water flow of water outlet outflow flows to evaporator in parallel
400 surfaces keep flushing effect more preferable.
Optionally, as shown in Figure 3 and Figure 4, the outlet of the discharge area of the first water outlet 1102 and the second water outlet 1202
Area can be generally equalized, so that the water flow flowed out from the first water outlet 1102 and the second water outlet 1202 is generally equalized, first
The rinse capability of water outlet 1102 and the second water outlet 1202 is generally equalized, and the flushing effect to evaporator 400 can be made more equal
Even stabilization.
According to some embodiments of the present invention, as shown in Figure 1, dryer 1000 further include: the first control valve 801 and second
Control valve 802, wherein the first control valve 801 can be located at the first water inlet 1101, and the first control valve 801 can be with control
Device processed is connected, and to open or close the first water inlet 1101 under the control of the controller, the second control valve 802 can be located at second
At water inlet 1201, and the second control valve 802 can be connected with controller, to open or close second under the control of the controller
Water inlet 1201.The first control valve 801 can control the condensed water in water storage container 600 and flow from the first water inlet 1101 as a result,
Enter cleaning device 100, is then sprayed from the first water outlet 1102 to evaporator 400, take away the hair on 400 surface of partial vaporiser
The impurity such as bits, the second control valve 802 can control the condensed water in water storage container 600 and flow into cleaning dress from the second water inlet 1201
100 are set, is then sprayed from the second water outlet 1202 to evaporator 400, takes away the soft flocks etc. on 400 surface of another part evaporator
Impurity, controllability is good, and cleaning effect can be improved.
Advantageously, controller can control the first control valve 801 and the second control valve 802 is alternately opened.In other words, it controls
After device can control the first control valve 801 unlatching one end time, then controls the second control valve 802 and open a period of time.As a result, may be used
To control the first water outlet 1102 and 1202 alternating water delivery of the second water outlet, to alternately clean the different tables of evaporator 400
Face guarantees flow intensity, so that cleaning effect is more preferably.
Other of dryer 1000 according to an embodiment of the present invention constitute and operate the ordinary skill people for this field
Member for be it is known, be not described in detail herein.
The invention also discloses a kind of control method of dryer, the controlling party of dryer according to an embodiment of the present invention
Method can be applied on dryer 1000 according to the above embodiment of the present invention, but not limited to this.
As shown in fig. 6, the control method of dryer according to an embodiment of the present invention, comprising the following steps: S1 compares timing
The timing time t of deviceMeterWith predetermined time t, to judge whether to need to clean evaporator.
S2, if tMeter< t compares air pressure real value and scheduled pressure value, if P > PIn advance, then stop drying work and right
Evaporator is cleaned.That is, when dryer drying work is not up to predetermined time t, in implementing monitoring return air channel
Pressure, if the air pressure real value p that detects of baroceptor is greater than scheduled pressure value PIn advance, then the resistance in return air channel
It is larger, at this time it is considered that being stained with the impurity such as soft flocks on evaporator, stops drying work and evaporator is cleaned in due course,
It can use condensed water to remove the punching of the impurity such as the soft flocks being adhered on evaporator surface, soft flocks in timely clean expander etc. is miscellaneous
Matter, improves the heat exchange property of evaporator, to improve the drying efficiency of dryer.
S3, if t≤tMeter< tAlways, control water pump is opened, until tMeter=TAlways, the condensed water in water receiving container is drawn to water storage
In container, evaporator is cleaned, completes drying and cleaning.
Therefore, the control method of root dryer according to an embodiment of the present invention, compare first the timing time of timer with
Predetermined time, in tMeterWhen < t, compare air pressure real value p and scheduled pressure value PIn advanceIf air pressure real value p is greater than predetermined pressure
Value PIn advance, then stop the drying work of dryer and evaporator cleaned, until t≤tMeter, then evaporator is cleaned, energy
It enough monitors the pressure of return air channel in real time, and evaporator is cleaned in due course, clean the soft flocks on evaporator in time, raising is changed
Hot property and drying efficiency.
According to some embodiments of the present invention, as shown in fig. 6, before step S1, can with comprising steps of S0, according to
The weight and humidity of clothing in roller determine that drying total time simultaneously starts drying work, with to clothing to be dried in roller into
Row drying.Thus, it is possible to save drying time while guaranteeing drying effect, energy consumption is reduced.
In some embodiments, the hydraulic pressure that can be equipped with for detecting in water receiving container in water receiving container is connected with controller
The first hydraulic pressure sensor, step S3 is further comprising the steps of: S31, and control water pump, which is opened, is drawn to storage for the water in water receiving container
Water container lays in condensed water for subsequent cleaning evaporator；S21 utilizes the hydraulic pressure in the first hydraulic pressure sensor detection water receiving container
PSlot, until PSlotWhen > 0, switch off the pump.In other words, the condensed water in water receiving container is all drawn to water storage container by control water pump
Afterwards, water pump is closed, guarantees have enough condensed waters for cleaning evaporator in water storage container, improves cleaning effect.
It according to some embodiments of the present invention, as shown in fig. 6, can be the following steps are included: S4, judgement after step S3
Whether the cleaning of evaporator is terminated, is drawn to the water in water receiving container if it is, closing water box control valve and opening water pump
In water storage container.In other words, after completing to the cleaning of evaporator, can stop providing condensed water to cleaning device, by water receiving
Condensed water in container is all drawn in water storage container, to facilitate user that water storage container extraction is poured manually.
The control method of dryer according to an embodiment of the present invention is described in detail combined with specific embodiments below.
Fig. 7 is the flow chart according to the control method of the dryer of the embodiment of the present invention.As shown in fig. 7, according to the present invention
The control method of the dryer of specific embodiment the following steps are included:
401: detecting the weight and moisture content of clothing to be dried, provide dry clothing time T accordinglyAlways；
402: starting drying work, fan, Rolling motor are opened, and heating tube work starts to dry clothing；
403: the timing time t of timer when clothing is dried in judgementMeter, with the different operation program of determination；
404: according to the timing time t for drying clothingMeter, work as tMeterWhen < t, counted in real time according to the air duct static pressure that baroceptor is read
It is judged that operation continues to dry clothing or cleans two kinds of programs of evaporator, air pressure real value P is less than scheduled pressure value PIn advanceWhen, it continues to run
Dry clothing program；When air pressure real value P is more than or equal to scheduled pressure value PIn advance, the pause of clothing program is dried, operation cleaning evaporator journey is switched to
Sequence terminates to restore to dry clothing work until having cleaned evaporator；
405: according to the judgement of baking clothing time as a result, timing time tMeterWhen reaching predetermined time t, then the operation of clothing program is being dried
While, it opens water pump and siphons away the condensed water in water receiving container, save and dry the clothing time；
406: according to the judgement of baking clothing time as a result, working as tMeter=TAlwaysWhen, it dries clothing work and completes, run and dry clothing work knot every time
Cleaning after beam.
407: judging whether the cleaning to the evaporator terminates, if it is, closing the water box control valve and opening
Water in water receiving container is drawn in water storage container by water pump, handles condensed water convenient for user.
In conclusion the control method of dryer according to an embodiment of the present invention, main by determining that baroceptor is adopted
The real-time barometric information of collection determines whether to clean evaporator drying clothing midway, and based on unique double outlet sprayer bodies
Design can effectively guarantee that heat exchanger is clean for a long time, so that dryness in conjunction with hydraulic pressure perceptron, pulsating pump and control valve
It is able to maintain in preferable state, soft flocks amount on evaporator is controlled during drying clothing to reach, and then reach guarantee
The purpose dried clothing performance, avoid security risk.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example " etc.
Description mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example be contained in it is of the invention extremely
In few one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical
Embodiment or example.Moreover, particular features, structures, materials, or characteristics described can in any one or more embodiments or
It can be combined in any suitable manner in example.In addition, without conflicting with each other, those skilled in the art can illustrate this
The feature of different embodiments or examples and different embodiments or examples described in book is combined.
Claims (14)
1. a kind of dryer characterized by comprising
Roller, the roller have air inlet and return air inlet；
The outlet end of condenser, the condenser is connected to by air intake passage with the air inlet；
Evaporator, the outlet end of the evaporator is connected with the input end of the condenser and the input end of the evaporator passes through
Return air channel is connected to the return air inlet；
Baroceptor, the baroceptor are located in the return air channel to detect the air pressure in the return air channel and obtain
It brings about the desired sensation and is compacted duration P；
Water receiving container, the water receiving container are located at below the evaporator to receive the condensed water flowed down on the evaporator；
Water storage container, the water storage container have inlet and outlet, and the import is connected to the water receiving container；
Cleaning device, the cleaning device have an inlet and outlet, the water inlet and the water storage container it is described go out
Mouth is connected, and the water outlet is suitable for spraying water to the evaporator；
Controller, the controller are connected with the baroceptor and the cleaning device respectively, in the air pressure sensing
Device detects that the air pressure real value P is greater than scheduled pressure value PIn advanceWhen control the water outlet and spray water to the evaporator, with clear
Wash the evaporator.
2. dryer according to claim 1, which is characterized in that the scheduled pressure value PIn advanceFor 4000pa-6000pa.
3. dryer according to claim 1, which is characterized in that further include:
Timer, the timer are connected with the control valve, the import of the water storage container by with the controller
Connected water pump is connected in the timing time t of the timer with the water receiving containerMeterWhen reaching predetermined time t described in control
Water pump is opened.
4. dryer according to claim 3, which is characterized in that the predetermined time t meets: t=TAlways- t1, wherein TAlways
To dry total time, t1 4min-6min.
5. dryer according to claim 1, which is characterized in that be equipped in the water receiving container for detecting the water receiving
Hydraulic pressure in container and the first hydraulic pressure sensor being connected with the controller, the controller are sensed according to first hydraulic pressure
Water pump described in the hydraulic pressure control of device detection absorbs water into the water storage container.
6. dryer according to claim 1, which is characterized in that the exit of the water storage container is equipped with water box control
The second hydraulic pressure sensor for detecting the hydraulic pressure in the water storage container, the water box are equipped in valve processed and the water storage container
Control valve and second hydraulic pressure sensor are connected with the controller respectively, with what is detected according to second hydraulic pressure sensor
Water box control valve described in hydraulic pressure control opens or closes.
7. dryer according to claim 1, which is characterized in that the water inlet includes the first water inlet and the second water inlet
Mouthful, the water outlet include the first water outlet being connected to first water inlet and be connected to second water inlet second
Water outlet, first water outlet and second water outlet are all formed as the central axis of strip and first water outlet
It is conllinear with the central axis of second water outlet.
8. dryer according to claim 7, which is characterized in that further include:
First control valve, first control valve are located at first water inlet and are connected with the controller in the control
First water inlet is opened or closed under the control of device processed；
Second control valve, second control valve are located at second water inlet and are connected with the controller in the control
Second water inlet is opened or closed under the control of device processed.
9. dryer according to claim 8, which is characterized in that the controller controls first control valve and described
Second control valve is alternately opened.
10. dryer according to claim 9, which is characterized in that the controller close in first control valve and
Second control valve controls the water pump and opens when not opening.
11. the control method of the dryer according to any one of claim 3-10, which is characterized in that including following step
It is rapid:
S1 compares the timing time t of timerMeterWith predetermined time t；
S2, if tMeter< t, the air pressure real value P and the scheduled pressure value PIn advanceIf P > PIn advance, then stop drying work
Make and the evaporator is cleaned；
S3, if t≤tMeter< TAlways, control water pump unlatching is until tMeter=TAlways, the evaporator is cleaned.
12. the control method of dryer according to claim 11, which is characterized in that before the step S1, also wrap
Include step:
S0 determines drying total time T according to the weight of the clothing in the roller and humidityAlwaysAnd start drying work.
13. the control method of dryer according to claim 11, which is characterized in that be equipped with and be used in the water receiving container
The first hydraulic pressure sensor for detecting the hydraulic pressure in the water receiving container and being connected with the controller, the step S3 further include with
Lower step:
S31 controls the water pump unlatching for the water in the water receiving container and is drawn to the water storage container；
S32 detects the hydraulic pressure P in the water receiving container using first hydraulic pressure sensorSlot, until the PSlotWhen > 0, close
The water pump.
14. the control method of dryer according to claim 11, which is characterized in that further include after the step S3 with
Lower step:
S4, judges whether the cleaning to the evaporator terminates, if it is, closing water box control valve and open the water pump will
Water in the water receiving container is drawn in the water storage container.
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| CN108570837B (en) * | 2018-04-16 | 2021-04-23 | 海信（山东）冰箱有限公司 | Heat pump type clothes dryer capable of washing heat exchanger with water |
| CN108842404B (en) * | 2018-08-21 | 2021-08-17 | 珠海格力智能装备有限公司 | Control method, device and system of clothes dryer |
| CN110093767B (en) * | 2019-05-28 | 2020-05-19 | 珠海格力电器股份有限公司 | Heat pump clothes dryer filth blockage judging method and device and heat pump clothes dryer |
| KR20210047160A (en) * | 2019-10-21 | 2021-04-29 | 엘지전자 주식회사 | One body type washing and drying machine and control method for the same |
| CN113846473A (en) * | 2020-06-28 | 2021-12-28 | 苏州三星电子有限公司 | Condensing nozzle and washing machine |
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| US20050183208A1 (en) * | 2004-02-20 | 2005-08-25 | The Procter & Gamble Company | Dual mode laundry apparatus and method using the same |
| EP2669417A1 (en) * | 2012-05-29 | 2013-12-04 | Electrolux Home Products Corporation N.V. | Washer-dryer machine with a heat pump |
| CN105714540B (en) * | 2014-12-05 | 2019-07-23 | 青岛海尔洗衣机有限公司 | A kind of dryer condensation water collection utilizes device and collection, Land use systems |
| CN106017205A (en) * | 2016-06-30 | 2016-10-12 | 无锡小天鹅股份有限公司 | Cleaning device of heat exchanger for clothes dryer and clothes dryer with cleaning device |
| CN105951402B (en) * | 2016-06-30 | 2018-08-28 | 无锡小天鹅股份有限公司 | Cleaning control method, system and the dryer of dryer heat exchanger |
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Effective date of registration: 20190724 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
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