CN106854825A - Dryer and its control method - Google Patents
Dryer and its control method Download PDFInfo
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- CN106854825A CN106854825A CN201710065767.6A CN201710065767A CN106854825A CN 106854825 A CN106854825 A CN 106854825A CN 201710065767 A CN201710065767 A CN 201710065767A CN 106854825 A CN106854825 A CN 106854825A
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- water
- evaporator
- delivery port
- control
- hydraulic pressure
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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, tank, cleaning device and controller, roller have air inlet and return air inlet;The port of export of condenser is connected with air inlet;The port of export of evaporator is connected with the entrance point of condenser and its entrance point is connected by return air channel with return air inlet;Baroceptor is located in return air channel;Cleaning device has water inlet and delivery port, and water inlet is connected with the outlet of tank, and delivery port is suitable to be sprayed water to evaporator;Controller is connected with baroceptor and cleaning device respectively, and air pressure instantaneous value P is detected more than scheduled pressure value P with baroceptorIn advanceTime control is made the mouth of a river and is sprayed water to evaporator, to clean evaporator.Dryer according to embodiments of the present invention, the soft flocks that can be cleaned in time on heat exchanger improves heat exchange property and drying efficiency.
Description
Technical field
The present invention relates to dryer technical field, more particularly, to a kind of dryer and its control method.
Background technology
In drying course, roller undergarment be able to can be followed dryer because rolling friction produces a large amount of soft flocks, these soft flocks
Air-flow flow forward, when by heat exchanger, tiny soft flocks can stick to that flow area is narrow and small, shaggy heat exchanger
On.Therefore, some dryers are provided with soft flocks cleaning systems, with the soft flocks on flushing heat exchanging device.
But, when a large amount of soft flocks are accumulated 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 sticks on grid-like heat exchanger, and the current sprayed from sprayer body break through heat exchange
Remitted its fury behind device upper end, this results in these soft flocks blocks and is difficult flushing and, in the course of time, can gradually extend up, causes
, so that drying performance is worse and worse, and easily there is the potential safety hazard such as on fire in the blocking of whole heat exchanger end face.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
A kind of dryer is gone out, the soft flocks that the dryer can be cleaned on evaporator in time improves heat exchange property and the baking of dryer
Dry efficiency.
The invention allows for the control method of above-mentioned dryer.
Dryer according to embodiments of the present invention, including:Roller, condenser, evaporator, baroceptor, water receiving container,
Tank, cleaning device and controller, the roller have air inlet and return air inlet;The port of export of the condenser pass through into
Wind passage is connected with the air inlet;The port of export of the evaporator is connected and the evaporator with the entrance point of the condenser
Entrance point connected with the return air inlet by return air channel;The baroceptor is located in the return air channel to detect
State the air pressure in return air channel and obtain air pressure instantaneous value P;It is described to receive that the water receiving container is located at the evaporator lower section
The condensed water flowed down on evaporator;The tank has inlet and outlet, the import and the water receiving reservoir;Institute
Stating cleaning device has water inlet and delivery port, and the water inlet is connected with the outlet of the tank, the water outlet
Mouth is suitable to be sprayed water to the evaporator;The controller is connected with the baroceptor and the cleaning device respectively, with
The baroceptor detects the air pressure instantaneous value P more than scheduled pressure value PIn advanceWhen control the delivery port to the evaporation
Device is sprayed water, to clean the evaporator.
Dryer according to embodiments of the present invention, can detect the air pressure instantaneous value P in return air channel, and real-time in air pressure
Value P is more than scheduled pressure value PIn advanceShi Qingxi evaporators such that it is able in time cleaning heat exchanger on soft flocks, improve heat exchange property and
Drying efficiency.
In addition, dryer according to the above embodiment of the present invention can also have following additional technical characteristic:
Some embodiments of the invention, the scheduled pressure value PIn advanceIt is 4000pa-6000pa.
Some embodiments of the invention, the dryer also includes:Timer, the timer and the control valve
It is connected, the import of the tank is connected with institute by the water pump being connected with the controller with the water receiving container
State the timing time t of timerMeterThe water pump is controlled to open when reaching scheduled time t.
Alternatively, the scheduled time t meets:T=TAlways- t1, wherein TAlwaysIt it is drying total time, t1 is 4min-6min.
Some embodiments of the invention, are provided with 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 be absorbed water in the tank.
Some embodiments of the invention, the exit of the tank is provided with water box control valve and the storage
It is provided with the second hydraulic pressure sensor for detecting the hydraulic pressure in the tank in water receptacle, the water box control valve and described
Second hydraulic pressure sensor is connected with the controller respectively, with described in the hydraulic pressure control that is detected according to second hydraulic pressure sensor
Water box control valve is turned on and off.
Some embodiments of the invention, the water inlet includes the first water inlet and the second water inlet, the water outlet
Mouth includes the first delivery port connected with first water inlet and the second delivery port connected with second water inlet, described
First delivery port and second delivery port are all formed as strip and the central axis of first delivery port and described second
The central axis of delivery port is conllinear.
Alternatively, also include:First control valve, it is described 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 to open or close institute under the control of the controller with the controller
State the second water inlet.
Further, the controller control first control valve and the second control valve are alternately opened.
Advantageously, controller control when the described first control valve is closed and the second control valve is not opened is described
Water pump is opened.
The control method of dryer according to embodiments of the present invention, comprises the following steps:S1, the meter of relatively more described timer
When time tMeterWith the scheduled time t;S2, if tMeter< t, the relatively more described air pressure instantaneous value P and 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
Open until t=tAlways, the evaporator is cleaned.
The control method of dryer according to embodiments of the present invention, is capable of the pressure of monitor in real time return air channel, and in good time
Evaporator is cleaned, the soft flocks on cleaning evaporator, improves heat exchange property and drying efficiency in time.
Some embodiments of the invention, before the step S1, also including step:S0, according in the roller
Clothing weight and humidity determine it is described drying total time tAlwaysAnd start drying work.
Some embodiments of the invention, are provided with 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 is further comprising the steps of:S31, controls the water suction
Pump is opened and for the water in the water receiving container to be drawn to the tank;S32, it is described using first hydraulic pressure sensor detection
Hydraulic pressure P in water receiving containerGroove, until the PGrooveDuring > 0, the pulsating pump is closed.
Some embodiments of the invention, it is 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 opening the water pump by the water receiving container
Water is drawn in the tank.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Fig. 1 is the structural representation of dryer according to embodiments of the present invention, wherein, the arrow with dotted line represents air-flow
Flow direction, the arrow with solid line represents the flow direction of current;
Fig. 2 is the stereogram of the cleaning sprayer with evaporator of dryer according to embodiments of the present invention;
Fig. 3 is the upward view of evaporator cleaning sprayer according to embodiments of the present invention;
Fig. 4 is a sectional view for angle of evaporator cleaning sprayer according to embodiments of the present invention;
Fig. 5 is the sectional view of another angle of evaporator cleaning sprayer according to embodiments of the present invention;
The step of Fig. 6 is the cleaning control method of dryer according to embodiments of the present invention is schemed;
Fig. 7 is the flow chart of the cleaning control method of the dryer according to specific example of the present invention.
Reference:
1000:Dryer;
100:Cleaning device;111:Cleaning sprayer;112:Cleaning pipe;
1:Shell;101:Spray chamber;102:Exhalant canal;
110:First chamber;1101:First water inlet;1102:First delivery port 1102;1110:First sidepiece inclined-plane;
120:Second chamber;1201:Second water inlet;1202:Second delivery port 1202;1210:Second sidepiece inclined-plane;
11:Lower house;12:Upper shell;1010:First flanging;1020:Second flanging;
2:Support member;21:First support member;22:Second support member;
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:Tank;
701:Baroceptor 701;702:First hydraulic pressure sensor 702;703:Second hydraulic pressure sensor 703;
801:First control valve;802:Second control valve;803:Water box control valve;
900:Water pump;901:Control valve for water pump.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention, ability
The those of ordinary skill in domain can be changed to above-described embodiment, change, replacing and modification within the scope of the invention.
In the description of the invention, it is to be understood that term " " center ", " length ", " width ", " thickness ", " on ",
The instruction such as D score, "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axial direction ", " radial direction ", " circumference "
Orientation or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only table
Show that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
Fisrt feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
Describe dryer 1000 according to embodiments of the present invention in detail below in conjunction with the accompanying drawings.Wherein, above-below direction is with Fig. 1 institutes
The above-below direction for showing is defined.
Shown in reference picture 1, dryer 1000 according to embodiments of the present invention can include:Roller 200, condenser 300, steaming
Hair device 400, baroceptor 701, water receiving container 500, tank 600, cleaning device 100 and controller (do not show in figure
Go out).
Specifically, as shown in figure 1, roller 200 can have air inlet 201 and a return air inlet 202, clothing to be dried can be with
It is placed in roller 200, the port of export of condenser 300 can be connected by air intake passage 2010 with air inlet 201, evaporator
400 entrance point can be connected with the entrance point of condenser 300, and the port of export of evaporator 400 can be by return air channel
2020 connect with return air inlet 202, so as 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 the air pressure in return air channel 2020 and obtain
Air pressure instantaneous value P, to realize subsequent control.Water receiving container 500 can be located at the lower section of evaporator 400, to receive from evaporator 400
On the condensed water that flows down.Tank 600 can have inlet and outlet, and import can be connected with water receiving container 500, to store water receiving
The condensed water that container 500 is received.
As Figure 2-Figure 5, cleaning device 100 can have water inlet and delivery port, wherein, water inlet can be with tank
600 outlet is connected, and delivery port is suitable to be sprayed water to evaporator 400, is sticked on the surface of evaporator 400 with being rinsed using condensed water
The impurity such as soft flocks, so as to improve the heat exchange property of evaporator 400.
Controller can be connected with baroceptor 701 and cleaning device 100 respectively, be detected with baroceptor 701
The real-time P values of air pressure are more than scheduled pressure value PIn advanceTime control is made the mouth of a river and is sprayed water to evaporator 400, to clean evaporator 400.
Here, it is necessary to explanation, return air channel when scheduled pressure value P can be slightly greater than 1000 normal work of dryer
When a certain value of the air pressure in 2020, i.e. dryer 1000 are run, the pressure in return air channel 2020 is less than or equal to pre- level pressure
Force value PIn advanceIn the range of when, the normal operation of dryer 1000.It is understood that when dryer 1000 normally runs, return air leads to
Resistance in road 2020 is smaller, and the soft flocks adhered on evaporator 400 is less or without soft flocks, and works as and be stained with evaporator 400
During soft flocks, back wind resistance increase.
It is understood that when baroceptor 701 detects air pressure implementation value more than scheduled pressure value PIn advanceWhen, return air leads to
Resistance increase in road 2020, such that it is able to judge that the impurity such as soft flocks of adhesion is more on evaporator 400;Work as baroceptor
701 detect air pressure instantaneous value P less than or equal to scheduled pressure value PIn advanceWhen, the return air of dryer 1000 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 runs, 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, tank 600 can store the condensed water received in water receiving container 500.Work as gas
The air pressure instantaneous value P that pressure sensor 701 is detected in return air channel 2020 is more than scheduled pressure value PIn advanceWhen, controller control cleaning
The delivery port of device 100 is opened, and the condensed water in tank 600 is sprayed into evaporator 400, to rinse evaporator 400, will be viscous
The impurity such as the soft flocks being attached on the surface of evaporator 400 are removed, so as to improve the heat exchange property of evaporator 400, improve drying efficiency,
Reduce the potential safety hazard of dryer 1000.
Dryer 1000 according to embodiments of the present invention, is set in return air channel 2020 by by baroceptor 701, profit
The air pressure in return air channel 2020 is detected with baroceptor 701 and obtain air pressure instantaneous value P, detected in baroceptor 701
It is more than scheduled pressure value P to air pressure instantaneous value PIn advanceTime control is made the mouth of a river and is sprayed water to evaporator 400, and evaporator 400 is cleaned,
The impurity such as the soft flocks on the surface of evaporator 400 will be sticked to remove, so as to improve the heat exchange property of evaporator 400, drying is reduced
The potential safety hazard of machine 1000, and the drying efficiency of dryer 1000 can be improved.
Some embodiments of the 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 advanceCan be 5000Pa, work as baroceptor
When the air pressure instantaneous value P of 701 detections is more than 5000Pa, controller control delivery port is sprayed water to evaporator 400, to evaporator 400
Cleaned, it is to avoid return air channel 2020 reduces the probability for the accident such as on fire occur because pressure persistently increases by soft flocks blocking.
Certainly, scheduled pressure value PIn advanceOther values in above range, such as 4500Pa, 6000Pa etc. are can also be, this is to this area
Technical staff for will be understood by, be not described in detail herein.
Alternatively, baroceptor 701 can be static pressure analyzer, simple and compact for structure, and can improve detection essence
Degree.
Some embodiments of the invention, dryer 1000 can also include:Timer (not shown), timer
Can be connected with controller, the import of tank 600 can be by the water pump 900 and the phase of water receiving container 500 that are connected with controller
Even, with the timing time t of timerMeterControl water pump 900 is opened when reaching t between making a reservation for.That is, clothesdrier operation is pre-
Fix time after t, controller control water pump 900 from water receiving container 500 to tank 600 in draw water, by water receiving container 500
Condensed water is delivered in tank 600.Thus, it is possible to the condensed water that water receiving container 500 is received is stored to water storage in time
In container 600, the condensed water in water receiving container 500 is siphoned away.
Alternatively, the scheduled time can meet:T=TAlways- t1, wherein, TAlwaysIt it is drying total time, t1 is 4min-6min.Need
It is noted that dryer 1000 can detect the weight and moisture content of clothing to be dried, and dried accordingly when work is started
Dry total time TAlways, the scheduled time will be set to t=TAlways- t1, can siphon away cold in water-saving container when drying work closes to an end
Solidifying water.So, drying work and water removal work can be carried out simultaneously, during so as to the total working that can save dryer 1000
Between, improve efficiency.
Some embodiments of the invention, as shown in figure 1, can be provided with water receiving container 500 for detecting that water receiving holds
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 pumps 900 of 702 detections absorb water in tank 600, on the one hand, can prevent from not having in water receiving container 500
Water pump 900 dallies during condensed water, can extend the service life of water pump 900;On the other hand, can avoid because of water receiving container 500
Interior condensation dilutional hyponatremia and overflow, reliability can be improved.
In certain embodiments, as shown in figure 1, the exit of tank 600 can be provided with water box control valve 803, and
The second hydraulic pressure sensor 703 for detecting the hydraulic pressure in tank 600, water box control can be provided with tank 600
The hydraulic pressure sensor 703 of valve 803 and second 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 is turned on and off, so that by the water in tank 600 from the outlet of cleaning device 100 to evaporation
Device 400 sprays, and can both avoid that the condensed water in tank 600 is very few to cause flushing ability not enough, it is also possible to prevent water storage from holding
Device 600 breaks down because water level is too high, can further improve the stability and reliability of dryer 1000.
Some embodiments of the invention, as shown in figure 3, cleaning device 100 can include:Cleaning pipe 112 and cleaning
Shower nozzle 111, wherein, the entrance point for cleaning pipe 112 can be connected with the outlet of tank 600, and cleaning sprayer 111 can be located at clearly
The port of export of pipe 112 is washed, the first delivery port 1102 and the second delivery port 1202 can be located in cleaning sprayer 111, cleaning sprayer
The first chambers 110 and second chamber 120 respectively at the cleaning connection of pipe 112 can be provided with 111, the first delivery port 1102 can be with
First chamber 110 is connected, and the second delivery port 1202 can be connected with second chamber 120.So, the partial condensation in cleaning pipe 112
Water can flow into first chamber 110, then evaporator 400 be sprayed to from the first delivery port 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 delivery port 1202
Evaporator 400 is sprayed to, the right half part to evaporator 400 is rinsed, the stability of flushing pressure can be improved, further carried
Developing result high.
With reference to figure to being that the concrete structure of cleaning sprayer 111 of embodiment is described in detail according to the present invention.
Shown in reference picture 2- Fig. 5, exchanging air device cleaning sprayer 111 according to embodiments of the present invention can include:The He of shell 1
Support member 2.
Specifically, as shown in figure 4, spray chamber 101 can be defined in shell 1, and at least a portion of spray chamber 101 can be with shape
As diameter-changing cavity, the water such that it is able to be beneficial to flow through spray chamber 101 forms water curtain.
As shown in figure 4, support member 2 can be located in spray chamber 101, and the two ends of support member 2 only can be against spray respectively
On the top wall surface and wall surface in 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 delivery port 1102, and second chamber 120 has the
Two water inlets 1201 and the second delivery port 1202, as shown in Figure 3 and Figure 4, the first delivery port 1102 and the second delivery port 1202 are equal
Strip is formed as, the water of first chamber 110 is entered from the first water inlet 1101, can flowed out from the first delivery port 1102,
A part to evaporator 400 is rinsed, and 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 the another part to evaporator 400 is rinsed, and is sticked on the surface of evaporator 400 such that it is able to take away
The impurity such as soft flocks, improve the heat exchange property of evaporator 400.
As shown in figure 5, the chi that diameter-changing cavity extends on the bearing of trend of the first delivery port 1102 and the second delivery port 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 delivery port of water inlet
1102 and second delivery port 1202 direction on, diameter-changing cavity is in the first delivery port 1102 and the bearing of trend of the second delivery port 1202
On sectional dimension be incremented by, such that it is able to flow to the first delivery port 1102 and the second delivery port 1202 with making uniform fluid flow, make punching
Pressure stability is washed, the uniformity to the flushing current of evaporator 400 is improved, so as to improve developing result.
Some embodiments of the 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 delivery port 1102 and the second water outlet
The water of the outflow of mouth 1202 are more uniform, such that it is able to improve developing result.
In certain embodiments, as shown in figure 4, at least one of at least a portion of the first diameter-changing cavity and the second diameter-changing cavity
Dividing the size for extending in vertical direction can successively decrease respectively in water (flow) direction.In other words, at least a portion of the first diameter-changing cavity
The size for extending in vertical direction is successively decreased from the direction of first the 1101 to the first delivery port of water inlet 1102, the second reducing
The size that at least a portion in chamber is extended in vertical direction is from the direction of second the 1201 to the second delivery port of water inlet 1202
On successively decrease.So, the flushing pressure of the water flowed out from the first delivery port 1102 and the second delivery port 1202 can be made more stable, can
Further to improve developing result.
As shown in figure 3, the central axis of the second delivery port 1202 can be conllinear with the central axis of the first delivery port 1102,
I.e. the second delivery port 1202 can be located on the extended line of the first delivery port 1102, so that the first delivery port 1102 can rinse evaporation
A part for device 400, the second delivery port 1202 can rinse another part of evaporator 400, and two parts evaporator 400 can
With on same surface, and then part and second delivery port of the evaporator 400 that the first delivery port 1102 can rinse can be made
The part of 1202 evaporators 400 that can be rinsed can form entirety, and evaporator 400 can be by from the first delivery port 1102 and second
The water of the outflow of delivery port 1202 carries out subregion flushing, improves cleaning performance.
Some embodiments of the invention, as shown in figure 4, support member 2 can include the first support member 21 and second
Support member 22, first chamber 110 can be limited by the first support member 21 and shell 1, second chamber 120 can by the second support member 22 with
Shell 1 is limited, and such that it is able to improve the intensity of first chamber 110 and second chamber 120, improves current in first chamber 110
With stability when being flowed in second chamber 120.
Alternatively, the first support member 21 and the second support member 22 can be respectively formed as the plate body for vertically extending, the
One support member 21 is connected with one end of the second support member 22 and the other end is spaced apart and sets, so as to spray chamber 101 is divided into first
Chamber 110 and second chamber 120, simple and compact for structure, reliability is high.
Further, as shown in figure 4, could be formed with cavity, cavity between the first support member 21 and the second support member 22
Closing chamber can be formed as, or cavity can be formed as having the open-cavity being in communication with the outside, to mitigate cleaning sprayer 111
Weight, material-saving.
Alternatively, support member 2 and shell 1 may be integrally formed, and thus, not only facilitate processing, exempt to install, and can carry
High stability and reliability.
Some embodiments of the invention, as shown in figure 4, the first diameter-changing cavity and the second diameter-changing cavity be formed as it is trapezoidal
Chamber, first chamber 110 has the first sidepiece inclined-plane 1110 being obliquely installed away from second chamber 120 and relative to water (flow) direction,
Second chamber 120 has the second sidepiece inclined-plane 1210 being obliquely installed away from first chamber 110 and relative to water (flow) direction, its
In, the angle of inclination on the second sidepiece inclined-plane 1210 can be more than the angle of inclination on the first sidepiece inclined-plane 1110, such that it is able 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 in trapezoidal chamber, first
The delivery port 1202 of delivery port 1102 and second is formed on the bottom in trapezoidal chamber, is not only simple in structure, convenient processing, and is beneficial to
Current form water curtain, improve developing result.
Alternatively, 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 bearing of trend on the first sidepiece inclined-plane 1110
Stretch, and conducting element 3 can be spaced apart with the second sidepiece inclined-plane 1210, and conducting element 3 can lead for the water in the second diameter-changing cavity is provided
To effect, make the water in the second diameter-changing cavity in the presence of conducting element 3, can smoothly be evenly distributed in the second delivery port 1202
Place.Thus, it is possible to the uniformity of the current that evaporator 400 is flowed to from the second delivery port 1202 is further improved, it is clear beneficial to water curtain
Except impurity such as the soft flocks on evaporator 400.
Further, as shown in figure 4, the upstream end of conducting element 3 may 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 into two parts, and in the presence of conducting element 3, one
Dividing current can flow along the bearing of trend on the second sidepiece inclined-plane 1210, so that when current reach the second delivery port 1202, uniformly
Property and continuity preferably, can further improve flushing uniformity.
Some embodiments of the invention, as shown in figure 5, the upper casing of shell 1 is provided 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 exhalant canal 102 away from spray chamber 101
One end can be formed with the first delivery port 1102 and the second delivery port 1202.So, first chamber 110 and second chamber are flowed through
120 current stream by that can be flowed out from the first delivery port 1102 and the second delivery port 1202 after aquaporin, simple structure, water
Flowing steady and continuous.
Alternatively, as shown in Figure 5 and Figure 6, shell 1 can include lower house 11 and upper shell 12, can be set on lower house 11
There is the first flanging 1010 of downward bending, upper shell 12 can be covered and is located on lower house 11, and upper shell 12 can be with lower house
11 cooperations limit spray chamber 101, and the second flanging 1020 of downward bending, the first flanging 1010 and second can be provided with upper shell 12
Flanging 1020 can be spaced apart to form exhalant canal 102, and the lower end of exhalant canal 102 can be formed as the He of the first delivery port 1102
Second delivery port 1202.Thus, shell 1 is simple and compact for structure, can reduces 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 current of delivery port outflow abreast flow to evaporator
400 surfaces, make developing result more preferable.
Alternatively, as shown in Figure 3 and Figure 4, the outlet of the discharge area of the first delivery port 1102 and the second delivery port 1202
Area can with generally equalized, so as to the current flowed out from the first delivery port 1102 and the second delivery port 1202 are generally equalized, first
The rinse capability of the delivery port 1202 of delivery port 1102 and second is generally equalized, and the developing result to evaporator 400 can be made more equal
Even stabilization.
Some embodiments of the invention, as shown in figure 1, dryer 1000 also includes: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.Thus, the first control valve 801 can control the condensed water in tank 600 to be flowed from the first water inlet 1101
Enter cleaning device 100, then sprayed to evaporator 400 from the first delivery port 1102, take away the hair on the surface of partial vaporiser 400
The impurity such as bits, the second control valve 802 can control the condensed water in tank 600 to flow into cleaning dress from the second water inlet 1201
100 are put, is then sprayed to evaporator 400 from the second delivery port 1202, take away soft flocks on the surface of another part evaporator 400 etc.
Impurity, controllability is good, can improve cleaning performance.
Advantageously, controller can control the first control valve 801 and the second control valve 802 alternately to open.In other words, control
After device can control the first control valve 801 to open one end time, then the second control valve 802 is controlled to open a period of time.Thus, may be used
To control the first delivery port 1102 and the alternating water delivery of the second delivery port 1202, so as to alternately clean the different tables of evaporator 400
Face, it is ensured that flow intensity so that cleaning performance is more preferably.
Other of dryer 1000 according to embodiments of the present invention are constituted and operate the ordinary skill people for this area
It is knowable for member, is not described in detail herein.
The invention also discloses a kind of control method of dryer, the controlling party of dryer according to embodiments of the present invention
Method, can apply on dryer according to the above embodiment of the present invention 1000, but not limited to this.
As shown in fig. 6, the control method of dryer according to embodiments of the present invention, comprises the following steps:S1, compares timing
The timing time t of deviceMeterWith scheduled time t, to judge whether to need to clean evaporator.
S2, if tMeter< t, compare air pressure instantaneous value and scheduled pressure value, if P > PIn advance, then drying work and right is stopped
Evaporator is cleaned.That is, when dryer drying work is not up to scheduled time t, in implementing monitoring return air channel
Pressure, if the air pressure instantaneous value p that detects of baroceptor is more than scheduled pressure value PIn advance, then the resistance in return air channel
It is larger, now it is considered that being stained with the impurity such as soft flocks on evaporator, stop drying work and evaporator is cleaned in good time,
Condensed water can be utilized to stick to the punching of the impurity such as the soft flocks on evaporator surface remove, soft flocks in timely clean expander etc. is miscellaneous
Matter, improves the heat exchange property of evaporator, so as 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, complete drying and cleaning.
Therefore, the control method of root dryer according to embodiments of the present invention, compare first the timing time of timer with
The scheduled time, in tMeterDuring < t, compare air pressure instantaneous value p and scheduled pressure value PIn advanceIf air pressure instantaneous value p is more than predetermined pressure
Value PIn advance, then stop the drying work of dryer and evaporator cleaned, until t≤tMeter, then evaporator is cleaned, energy
The pressure of enough monitor in real time return air channels, and evaporator is cleaned in good time, the soft flocks for cleaning on evaporator in time, raising is changed
Hot property and drying efficiency.
Some embodiments of the invention, as shown in fig. 6, before step S1, step can also be included:S0, according to
The weight and humidity of the clothing in roller determine drying total time and start drying work, enters with to clothing to be dried in roller
Row drying.Thus, it is possible to save drying time, reducing energy consumption while drying effect is ensured.
In certain embodiments, can be provided with water receiving container for detecting that the hydraulic pressure in water receiving container is connected with controller
The first hydraulic pressure sensor, step S3 is further comprising the steps of:S31, control water pump is opened and for the water in water receiving container to be drawn to storage
Water receptacle, is that subsequently cleaning evaporator lays in condensed water;S21, using the hydraulic pressure in the first hydraulic pressure sensor detection water receiving container
PGroove, until PGrooveDuring > 0, switch off the pump.In other words, the condensed water in water receiving container is all drawn to tank by control water pump
Afterwards, water pump is closed, it is ensured that there is enough condensed waters for cleaning evaporator in tank, improve cleaning performance.
Some embodiments of the invention, as shown in fig. 6, can also be comprised the following steps after step S3:S4, judges
Whether the cleaning to evaporator terminates, if it is, close water box control valve and open water pump being drawn to the water in water receiving container
In tank.In other words, after the cleaning to evaporator is completed, can stop providing condensed water to cleaning device, by water receiving
Condensed water in container is all drawn in tank, and manual pouring is carried out to facilitate user to extract tank out.
The control method of dryer according to embodiments of the present invention is described in detail with reference to specific embodiment.
Fig. 7 is the flow chart of the control method of the dryer according to 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 is comprised the following steps:
401:The weight and moisture content of clothing to be dried are detected, baking clothing time T is given accordinglyAlways;
402:Start drying work, fan, Rolling motor are opened, heating tube work starts to dry clothing;
403:The timing time t of timer when judging to dry clothingMeter, to determine different operation programs;
404:According to the timing time t for drying clothingMeter, work as tMeterDuring < t, counted in real time according to the air channel static pressure that baroceptor reads
It is judged that operation continues to dry clothing or cleaning two kinds of programs of evaporator, air pressure instantaneous value P is less than scheduled pressure value PIn advanceWhen, continue to run with
Dry clothing program;When air pressure instantaneous value P is more than or equal to scheduled pressure value PIn advance, the pause of clothing program is dried, switch to operation cleaning evaporator journey
Sequence, terminates to recover to dry clothing work until having cleaned evaporator;
405:According to the result for drying the judgement of clothing time, timing time tMeterWhen reaching scheduled time t, then the operation of clothing program is being dried
While, the condensed water that water pump is siphoned away in water receiving container is opened, save and dry the clothing time;
406:According to the result for drying the judgement of clothing time, work as tMeter=TAlwaysWhen, to dry clothing work and complete, clothing work knot is dried in operation every time
Cleaning after beam.
407:Judge whether the cleaning of the evaporator is terminated, if it is, closing the water box control valve and opening
Be drawn to water in water receiving container in tank by water pump, is easy to user to process condensed water.
In sum, the control method of dryer according to embodiments of the present invention, is mainly adopted by judging baroceptor
The real-time barometric information of collection determines whether to clean evaporator drying clothing midway, and based on unique double outlet sprayer bodies
Design, with reference to hydraulic pressure perceptron, pulsating pump and control valve, can effectively ensure that heat exchanger is clean for a long time so that dryness
Preferable state can be maintained at, soft flocks amount on evaporator be controlled during clothing is dried so as to reach, and then reach guarantee
Dry clothing performance, avoid the purpose of potential safety hazard.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be that machinery connects
Connect, or electrically connect or can communicate each other;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with
Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example " etc.
Description mean the specific features described with reference to the embodiment or example, structure, material or feature be contained in it is of the invention extremely
In few one embodiment or example.In this manual, the schematic representation to above-mentioned term is necessarily directed to identical
Embodiment or example.And, the specific features of description, structure, material or feature can in any one or more embodiments or
Combined in an appropriate manner in example.Additionally, in the case of not conflicting, those skilled in the art can illustrate this
The feature of different embodiments or example and different embodiments or example described in book is combined and combines.
Claims (14)
1. a kind of dryer, it is characterised in that including:
Roller, the roller has air inlet and return air inlet;
Condenser, the port of export of the condenser is connected by air intake passage with the air inlet;
Evaporator, the port of export of the evaporator is connected with the entrance point of the condenser and the entrance point of the evaporator passes through
Return air channel is connected with the return air inlet;
Baroceptor, the baroceptor is located in the return air channel to detect the air pressure in the return air channel and obtain
Bring about the desired sensation compacting duration P;
Water receiving container, the water receiving container is located at the evaporator lower section to receive the condensed water flowed down on the evaporator;
Tank, the tank has inlet and outlet, the import and the water receiving reservoir;
Cleaning device, the cleaning device has water inlet and delivery port, and the water inlet goes out with described in the tank
Mouth is connected, and the delivery port is suitable to be sprayed water to the evaporator;
Controller, the controller is connected with the baroceptor and the cleaning device respectively, with the air pressure sensing
Device detects the air pressure instantaneous value P more than scheduled pressure value PIn advanceWhen control the delivery port to be sprayed water to the evaporator, with clear
Wash the evaporator.
2. dryer according to claim 1, it is characterised in that the scheduled pressure value PIn advanceIt is 4000pa-6000pa.
3. dryer according to claim 1, it is characterised in that also include:
Timer, the timer is connected with the control valve, the import of the tank by with the controller
Connected water pump is connected with the timing time t of the timer with the water receiving containerMeterControl is described when reaching scheduled time t
Water pump is opened.
4. dryer according to claim 3, it is characterised in that the scheduled time t meets:T=TAlways- t1, wherein TAlways
It it is drying total time, t1 is 4min-6min.
5. dryer according to claim 1, it is characterised in that be provided with for detecting the water receiving in the water receiving container
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 in the tank.
6. dryer according to claim 1, it is characterised in that the exit of the tank is provided with water box control
The second hydraulic pressure sensor for detecting the hydraulic pressure in the tank, the water box are provided with valve processed and the tank
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 is turned on and off described in hydraulic pressure control.
7. dryer according to claim 1, it is characterised in that the water inlet includes the first water inlet and the second water inlet
Mouthful, the delivery port includes the first delivery port connected with first water inlet and connected with second water inlet second
Delivery port, first delivery port and second delivery port are all formed as the central axis of strip and first delivery port
Central axis with second delivery port is conllinear.
8. dryer according to claim 7, it is characterised in that also include:
First control valve, the first control valve is located at first water inlet and is connected with the control with the controller
First water inlet is opened or closed under the control of device processed;
Second control valve, the second control valve is located at second water inlet and is connected with the control with the controller
Second water inlet is opened or closed under the control of device processed.
9. dryer according to claim 8, it is characterised in that the controller control first control valve and described
Second control valve is alternately opened.
10. dryer according to claim 9, it is characterised in that the controller close in the described first control valve and
The second control valve controls the water pump to open when not opening.
The control method of 11. dryer according to claim 3-10, it is characterised in that comprise the following steps:
S1, the timing time t of relatively more described timerMeterWith the scheduled time t;
S2, if tMeter< t, the relatively more described air pressure instantaneous value P and scheduled pressure value PIn advanceIf, P > PIn advance, then drying work is stopped
Make and the evaporator is cleaned;
S3, if t≤tMeter< TAlways, control the water pump to open until tMeter=TAlways, the evaporator is cleaned.
The control method of 12. dryers according to claim 11, it is characterised in that before the step S1, also wrap
Include step:
S0, weight and humidity according to the clothing in the roller determine drying total time TAlwaysAnd start drying work.
The control method of 13. dryers according to claim 11, it is characterised in that be provided with the water receiving container for
Detect the hydraulic pressure in the water receiving container and the first hydraulic pressure sensor being connected with the controller, the step S3 also include with
Lower step:
S31, controls the water pump to open and the water in the water receiving container is drawn into the tank;
S32, the hydraulic pressure P in the water receiving container is detected using first hydraulic pressure sensorGroove, until the PGrooveDuring > 0, close
The water pump.
The control method of 14. dryers according to claim 11, it is characterised in that after the step S3 also include with
Lower step:
S4, judges whether the cleaning of the evaporator is terminated, if it is, closing the water box control valve and opening the water
Be drawn to water in the water receiving container in the tank by pump.
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CN108570837A (en) * | 2018-04-16 | 2018-09-25 | 海信(山东)冰箱有限公司 | A kind of heat pump clothes dryer of washable heat exchanger |
CN108842404A (en) * | 2018-08-21 | 2018-11-20 | 珠海格力智能装备有限公司 | The control method of dryer, apparatus and system |
CN110093767A (en) * | 2019-05-28 | 2019-08-06 | 珠海格力电器股份有限公司 | A kind of dirty stifled judgment method of heat pump clothes dryer, device and heat pump clothes dryer |
CN113846473A (en) * | 2020-06-28 | 2021-12-28 | 苏州三星电子有限公司 | Condensing nozzle and washing machine |
CN114599831A (en) * | 2019-10-21 | 2022-06-07 | Lg电子株式会社 | Integrated washing and drying machine and control method thereof |
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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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