CN106319908A - Clothes dryer - Google Patents

Clothes dryer Download PDF

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Publication number
CN106319908A
CN106319908A CN201510334203.9A CN201510334203A CN106319908A CN 106319908 A CN106319908 A CN 106319908A CN 201510334203 A CN201510334203 A CN 201510334203A CN 106319908 A CN106319908 A CN 106319908A
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CN
China
Prior art keywords
heat
water
air
dryer
section
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510334203.9A
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Chinese (zh)
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CN106319908B (en
Inventor
李以民
劳春峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Smart Technology R&D Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Smart Technology R&D Co Ltd
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Application filed by Qingdao Haier Smart Technology R&D Co Ltd filed Critical Qingdao Haier Smart Technology R&D Co Ltd
Priority to CN201510334203.9A priority Critical patent/CN106319908B/en
Publication of CN106319908A publication Critical patent/CN106319908A/en
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Publication of CN106319908B publication Critical patent/CN106319908B/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • D06F58/22Lint collecting arrangements

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

The invention provides a clothes dryer. The dryer comprises a roller used for holding to-be-dried clothes, an air inlet channel configured to guide air from the external environment of the clothes dryer to the roller, a heating device arranged in the air inlet channel and configured to heat air flowing through the channel in order to form hot air with temperature higher than the ambient environment, an air exhaust channel configured to exhaust hot air to the external environment of the clothes dryer after flowing through the roller, as well as a heat-exchanging device comprising a heat absorption part, and a heat releasing part. The heat absorption part is arranged in the air exhaust channel to absorb heat from hot air of the air exhaust channel. The heat releasing part is arranged in the air inlet channel and located at the upstream of the heating device so that heat absorbed by the heat absorption part is utilized to pre-heat air of the air inlet channel before the air reaches the heating device. The clothes dryer makes full use of heat energy of hot and humid air so that utilization rate of heat energy is improved, thereby reducing heating power of the heating device and reducing energy consumption.

Description

Dryer
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of air exhaust dryer.
Background technology
Dryer in the market or air exhaust dryer, typically utilize hot-air to blow over wet clothes, make Moisture in wet clothes flashes to water vapour and is exhausted directly in outside clothes dryer environment with air-flow.Existing Dryer at least there is problems in that the hot and humid gas of discharge still has higher temperature, not through appointing What recycles the most directly is discharged in environment, on the one hand causes thermal waste, on the other hand heat and steam It is discharged in air and can affect environment.
Summary of the invention
It is an object of the present invention at least one defect overcoming prior art to exist, it is provided that a kind of to row Gas heat carries out making full use of to reduce the dryer of energy consumption.
Especially, the invention provides a kind of dryer, including:
For accommodating the cylinder of medicated clothing to be dried;
Air intake passage, is configured to the air of described outside clothes dryer environment is introduced described cylinder;
Heater, is arranged in described air intake passage, is configured to the air to flowing through it and heats with shape Become the temperature hot-air higher than ambient temperature;
Air exhaust passage, is configured to after described hot-air flows through described cylinder be drained into described outside clothes dryer Environment;
Described dryer also includes:
Heat-exchanger rig, comprising: endothermic section, is arranged in described air exhaust passage, with from described air exhaust passage Hot-air in absorb heat;And heat unit, it is arranged in described air intake passage and is positioned at described heater Upstream, with utilize heat that described endothermic section absorbs to described air intake passage arrives described heater it Front air preheats.
Alternatively, described endothermic section and described heat unit are heat exchange fin group, therebetween by least two heat Pipe connects.
Alternatively, described dryer also includes:
Water leg, is arranged on below described endothermic section, for collecting the hot-air in described air exhaust passage and institute The condensed water formed after stating endothermic section heat exchange;
Collecting box, is removably disposed on described dryer, and it is by discharge pipe line with described water leg even Logical, it is used for keeping in described condensed water;With
Water pump, is configured to controllably the condensed water in described water leg is delivered to described discharge pipe line thus temporary Exist in described collecting box.
Alternatively, described collecting box is removably disposed in the top of described dryer, and is positioned at described cylinder Top.
Alternatively, described dryer also includes:
Detergent line, for causing described air intake passage by the condensed water in described water leg, to put described Hot portion is rinsed;With
Reflux pipe, the water after being rinsed described heat unit leads back described water leg.
Alternatively, the water outlet of described detergent line is provided with cleaning shower nozzle;
Described cleaning shower nozzle is arranged between described heater and described heat unit, and towards described heat unit Arrange.
Alternatively, the section arranging described endothermic section of described air exhaust passage is positioned at the setting of described air intake passage Below the section of described heat unit;
The bottom of the section arranging described heat unit of described air intake passage is provided with described reflux pipe even Logical outlet, so that the water after being rinsed described heat unit is under gravity via described reflux pipe Return described water leg;
Described water pump is further configured to controllably the condensed water in described water leg is delivered to described cleaning So that described heat unit is rinsed in pipeline.
Alternatively, described dryer also includes:
Liquid level sensor, is arranged in described water leg, for detecting the water level of condensed water in described water leg;
Described water pump is further configured to after described heater stop heats, when described liquid level sensor Start when the water level detected is more than the first preset water level, so that the condensed water in described water leg is delivered to Described heat unit is rinsed by described detergent line;And after described heat unit is rinsed the setting time Condensed water in described water leg is delivered in described discharge pipe line thus flows in described collecting box.
Alternatively, described water pump is further configured to after described heater stop heats, when described liquid The water level that level sensor detects starts less than during described first preset water level, cold with by described water leg Solidifying water is delivered in described discharge pipe line thus flows in described collecting box temporary.
Alternatively, described water pump is further configured to during described heating devices heat, when described liquid The water level that level sensor detects starts higher than during the second preset water level, with by the condensed water in described water leg Partly it is delivered in described collecting box, so that the water level decreasing in described water leg is preset to described first Water level,
Wherein said first preset water level is less than described second preset water level.
Alternatively, described at least two heat pipes are spaced, parallel to each other and bending extends, every described heat Pipe includes being positioned at centre and tilts the angled section extended, and respectively from the two ends of described angled section vertically to On extend to the upper end section of described air intake passage and extend to the lower end section of described air exhaust passage straight down,
Described heat unit and described endothermic section are separately fixed in upper end section and the lower end section of described heat pipe;
Described heat exchange fin group includes that the spaced setting of horizontally extending and in the vertical direction is many Individual heat exchange fin.
The dryer of the present invention, by arranging heat-exchanger rig so that is dried medicated clothing in cylinder or dries The endothermic section heat exchange heel row of the hot and humid gas after Gan and heat-exchanger rig is in external environment condition;Surrounding air enters simultaneously After entering air intake passage, before flowing through heater, the first heat unit heat exchange with heat-exchanger rig, thus utilize Air before arriving heater is preheated by the heat that endothermic section absorbs.The present invention takes full advantage of Heat energy in hot and humid gas, improves heat utilization rate, and then can reduce the heating power of heater, greatly Width improves the efficiency grade of dryer, more energy-saving and environmental protection.Additionally, due to the fact that entering air intake logical Air in road carries out preheating and post bake, thus can improve the rate of heat addition, shortens heat time heating time, enters And shorten drying time, promote Consumer's Experience.
Further, dryer of the present invention, can be by air exhaust passage by arranging water leg, collecting box and water pump In hot and humid gas and heater endothermic section heat exchange after the condensation water collection that formed in collecting box, by with Family is manually outwelled, and reduces the steam being discharged in environment, thus reduces the harmful effect causing environment.
Further, the present invention is additionally arranged detergent line especially, utilizes the condensed water in water leg to heat release Portion is rinsed, and the filthy water after flushing flows back to water leg by reflux pipe, thus avoids outside clothes dryer ring The impurity such as the dust in border, micro-bits are attached on the radiating fin of heat unit cause the heat dispersion of heat unit Impact.Additionally, by heat unit is rinsed, the dust of attachment, micro-bits etc. in heat exchanging part also can be avoided Impurity flows in cylinder with air intake and sticks on medicated clothing.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will More understand the above-mentioned of the present invention and other purposes, advantage and feature.
Accompanying drawing explanation
Some describing the present invention the most by way of example, and not by way of limitation in detail are concrete Embodiment.Reference identical in accompanying drawing denotes same or similar parts or part.Art technology Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic diagram of dryer according to an embodiment of the invention;
Fig. 2 is the schematic diagram of heat-exchanger rig according to an embodiment of the invention;
Fig. 3 is the method flow diagram processed the hydrops in water leg according to an embodiment of the invention.
Detailed description of the invention
Fig. 1 is the schematic diagram of dryer according to an embodiment of the invention, and the arrow in figure represents Wind path flows to.Seeing Fig. 1, the dryer 10 of the embodiment of the present invention typically can include casing 11, be arranged on For accommodating the cylinder 12 of medicated clothing to be dried, driving the drive mechanism of cylinder 12 rotation (in figure in casing 11 Not shown), air intake passage 14, heater 27 and air exhaust passage 15.Air intake passage 14 is configured to The air of dryer 10 external environment condition is introduced cylinder 12.Generally blower fan can be set in air intake passage 14 21, it is configured to the blow air of dryer 10 external environment condition to cylinder 12.
Heater 27 is arranged in air intake passage 14, is configured to the air to flowing through it and heats with shape Become the temperature hot-air higher than ambient temperature.The i.e. air of external environment condition flows through after entering air intake passage 14 and adds Heated by heater 27 during thermal 27, thus form the temperature hot-air higher than ambient temperature.Heating Device 27 can be heater strip, and it may be provided at the position of its air outlet neighbouring in air intake passage 14.Air draft is led to Road 15 is configured to after hot-air flows through cylinder 12 be drained into dryer 10 external environment condition.
By using said structure, a wind path passage can be formed in dryer 10, such as the arrow in Fig. 1 Shown in head, i.e. the air of dryer 10 external environment condition is blown in air intake passage 14, via adding by blower fan 21 Thermal 27 flow in cylinder 12 after being thermally formed hot-air;Moisture on medicated clothing to be dried in cylinder 12 Flashed to water vapour by hot air, arranged by exhausting duct under the driving of blower fan 21 with hot-air Go out outside dryer 10.
In the embodiment shown in fig. 1, the air inlet of air intake passage 14 is arranged on the backboard 17 of dryer 10 On, its air outlet is arranged on the rear portion of cylinder 12, and i.e. air intake passage 14 is at the rear portion of cylinder 12 and cylinder 12 connections.Air intake passage 14 has from backboard 17 towards the direction close to cylinder 12 (in other words along from backward Before direction) horizontal-extending the first section, incline towards the direction close to cylinder 12 from the end of the first section The second section of extending obliquely, horizontal-extending towards the direction close to cylinder 12 from the end of the second section 3rd section and tilt upward extension and termination towards the direction close to cylinder 12 from the end of the 3rd section The 4th section in cylinder 12 rear portion.Blower fan 21 may be provided in the first section, i.e. arranges adjacent to air inlet; Heater 27 may be provided in the 4th section, i.e. arranges adjacent to cylinder 12 rear portion.
With continued reference to Fig. 1, the air inlet of air exhaust passage 15 may also be arranged on backboard 17, and its air outlet sets Put in door body 13 bottom of dryer 10 and be positioned at cylinder 12 front.Air exhaust passage 15 from its air inlet to Lower extension, and extend to backboard 17 from the lower section of cylinder 12 and air intake passage 14, in other words from cylinder 12 Extend through until backboard 17 with the lower section of air intake passage 14.The air outlet of air exhaust passage 15 is positioned at air intake and leads to The lower section of the air inlet in road 14.The air inlet of air exhaust passage 15 is provided with filter screen 28, to retain hot-air The line bits etc. carried from cylinder 12.
Especially, the dryer 10 of the present invention is additionally provided with heat-exchanger rig, and it includes endothermic section 24 and heat release Portion 25.Endothermic section 24 is arranged in air exhaust passage 15, by with flow through its hot-air heat exchange with empty from heat Gas absorbs heat.Heat unit 25 is arranged in air intake passage 14 and is positioned at the upstream of heater 27, By with flow through its air heat-exchange, with utilize heat that endothermic section 24 absorbs in air intake passage 14 to reaching Air before heater 27 preheats.So, the heat of the hot-air in entrance air exhaust passage 15 Amount (sensible heat entrained by hot-air and the latent heat of water vapour) is partially absorbed by endothermic section 24, and via putting The air entered in air intake passage 14 preheats by hot portion 25, thus Appropriate application discharge gas is taken The heat energy of band, improves heat utilization rate.Meanwhile, the air entering air intake passage 14 first flows through heat unit 25 preheat, and pass through heater 27 and carry out post bake, thus can accelerate the heating speed of air Rate, overall reduction drying time.
Seeing Fig. 2, in a preferred embodiment, endothermic section 24 and heat unit 25 are heat exchange fin group, Connected by least two heat pipes 26 therebetween.I.e. two groups heat exchange fin groups are arranged at least two heat pipes The two ends of 26.Can spaced, parallel to each other and bending extension between at least two heat pipes 26.In order to Ensureing the heat conduction efficiency of heat-exchanger rig, the body material of heat pipe 26 can be copper, copper alloy, aluminum, aluminum Alloy, rustless steel or other materials.As those skilled in the art will appreciate that, heat pipe 26 makes full use of Heat-conduction principle and the Rapid Thermal hereditary property of phase change medium, through heat pipe 26 by fast for the heat of thermal objects Speed is delivered to outside thermal source, and its capacity of heat transmission exceedes the capacity of heat transmission of any known metal.Heat pipe 26 is according to it Work characteristics, can be divided into evaporator section, adiabatic section and three sections of condensation segment.Evaporator section quilt when heat pipe 26 During heating, working solution evaporates by heat, and steam flows to the cold of heat pipe 26 along vapor chamber under the effect of pressure reduction Solidifying section.Steam condenses at condensation segment releases latent heat, and heat is saturated with wick and the pipe of working solution by condensation segment Wall spreads out of, and completes heat from high temperature to the transmission of low temperature, and condensation water is under the effect of wick capillary suction force Flow back to evaporator section.So iterative cycles, constantly transmits from high temperature heat to low temperature.
In embodiments of the present invention, it is its evaporator section that heat pipe 26 is arranged on the pipeline section in air exhaust passage 15, if Putting the pipeline section in air intake passage 14 is its condensation segment, and two groups of heat exchange fin groups are arranged in heat pipe 26 Evaporator section and condensation segment.For the ease of describing, the heat exchange fin group being arranged in heat pipe 26 evaporator section can be described as Evaporation and heat-exchange fins set, the heat exchange fin group being arranged in heat pipe 26 condensation segment can be described as condensing heat-exchange fins set. Each heat exchange fin group can include parallel to each other and spaced multiple heat exchange fin 31.Each heat exchange fin Can be provided with, in 31, the perforation running through its thickness direction, intert fixing with heating tube 26.The evaporator section of heat pipe 26 It is arranged in air exhaust passage 15 with evaporation and heat-exchange fins set, the condensation segment of heat pipe 26 and condensing heat-exchange fins set It is arranged in air intake passage 14.When dryer 10 carries out drying operation, flow through the damp and hot of air exhaust passage 15 Air carries out heat exchange with heat pipe 26 evaporator section and evaporation and heat-exchange fins set, and heat pipe 26 evaporator section and evaporation are changed Hot fins set is quickly delivered to by 26 heats of heat pipe after absorbing the sensible heat of hot-air and the latent heat of water vapour Heat pipe 26 condensation segment and condensing heat-exchange fins set, the surrounding air entering air intake passage 14 flows through heat pipe 26 It is heated when condensation segment and condensing heat-exchange fins set.So, the damp-heat air discharged outside dryer 10 is taken The heat of band is recovered for heating the surrounding air entering dryer 10.
In the embodiment shown in fig. 1, the layout of air exhaust passage 15 arranges the section of endothermic section 24 in other words It is positioned at below the section of layout heat unit 25 of air intake passage 14.For heat-exchanger rig, its endothermic section 24 lower ends being positioned at heat pipe 26, heat unit 25 is positioned at the upper end of heat pipe 26.In a preferred embodiment, Every heat pipe 26 can include being positioned at centre and tilting the angled section 263 extended and respectively from angled section Upper end section 261 that the two ends of 263 extend straight up and the lower end section 262 extended straight down.Incline Tiltedly section 263 can arrange arc linkage section with the junction of upper end section 261 and lower end section 262.Wherein, Lower end section 262, angled section 263 and upper end section 261 are respectively equivalent to evaporator section, adiabatic section and cold Solidifying section.Upper end section 261 and lower end section 262 respectively enter in air intake passage 14 and air exhaust passage 15, Heat unit 25 and endothermic section 24 are separately fixed in upper end section 261 and the lower end section 262 of heat pipe 26. Multiple heat exchange fins 31 of heat exchange fin group can be horizontally extending and in the vertical direction is spaced sets Put.The lower end section 262 of heat pipe 26 sets further from the backboard 17 of dryer 10 than its upper end section 261 Put, thus the endothermic section 24 air inlet closer to air exhaust passage 15 of heat-exchanger rig can be made, thus and temperature Higher hot-air carries out heat exchange thus obtains more heat.
Inventors herein have recognized that, enter the water vapour in the hot-air of air exhaust passage 15 and heat-exchanger rig Endothermic section 24 heat exchange after can be condensed into aqueous water.Thus, dryer 10 spy according to embodiments of the present invention Do not include water leg 30, collecting box 22 and water pump 29.Wherein water leg 30 is arranged on endothermic section 24 times Side, the condensed water formed after collecting the hot-air in air exhaust passage 15 and endothermic section 24 heat exchange.Catchment Groove 30 such as can be formed by the bottom concave downward from air exhaust passage 15 respective section.Collecting box 22 is removable Being arranged on unloading on dryer 10, it is connected with water leg 30 by discharge pipe line 16, is used for keeping in cold Solidifying water.Preferably, collecting box 22 is removably disposed in the top of dryer 10, and is positioned at cylinder 12 Top, in order to collecting box 22 is taken out pouring by user.Water pump 29 is configured to controllably by water leg 30 In condensed water be delivered to discharge pipe line 16 thus be temporarily stored in collecting box 22.Such as when in water leg 30 Water yield when reaching setting value, water pump 29 is temporary in the water pump 29 in water leg 30 enters collecting box 22.
Collecting box 22 in the embodiment of the present invention can be with the collecting box 22 structure class in condensing type clothes dryer 10 Seemingly, the condensed water from water leg 30 conveying can be received, also allow for user by collecting box 22 from drying simultaneously Take out on machine 10 to pour out condensed water therein.As those skilled in the art will appreciate that, prior art In air-exhaust type dryer 10 owing to being formed without condensed water, therefore and be not required to arrange water leg 30 and water-logging box Deng.Present inventor creatively sets up water leg 30, water pump 29, discharge pipe line 16, collecting box 22 etc., the condensed water that can be formed at endothermic section 24 is sent in collecting box 22 temporary, so as not to condensed water from The air outlet of air exhaust passage 15 flows outwardly or flows into cylinder 12 from its air inlet.
Additionally, due to the air being blown into through blower fan 21 is from dryer 10 external environment condition, inevitably contain Have some dust, micro-bits etc., these dusts and micro-bits can be bonded at when flowing through the heat unit 25 of heat-exchanger rig (or Suction overlays on) on heat exchange fin 31, of long duration can block shape between heat unit 25 adjacent heat exchange fin 31 The gas channel become, affects the heat transfer effect of heat exchange fin 31.Thus, in a preferred embodiment of the invention, Dryer 10 is additionally arranged detergent line 18 and reflux pipe 20 the most especially, and wherein detergent line 18 is used for Condensed water in water leg 30 is caused air intake passage 14, so that heat unit 25 to be rinsed;Reflux pipe 20 water after being rinsed heat unit 25 lead back water leg 30.The outlet of detergent line 18 Place is provided with cleaning shower nozzle 19, rinses area to increase.Clean shower nozzle 19 to be arranged on heater 27 and put Between hot portion 25, and arrange towards heat unit 25, water outlet to be sprayed onto heat unit 25.
Section (the endothermic section 24 in air exhaust passage 15 in other words that endothermic section 24 is set at air exhaust passage 15 Residing section) it is positioned at section (air intake passage 14 in other words that heat unit 25 is set of air intake passage 14 Section residing for middle heat unit 25) lower section embodiment in, air intake passage 14 heat unit 25 is set The bottom of section is provided with the outlet (i.e. the water inlet of reflux pipe 20) connected with reflux pipe 20.By It is positioned at below the section that endothermic section 24 is set of air exhaust passage 15 in water leg 30, heat unit 25 is carried out Water after flushing can return water leg 30 via reflux pipe 20 under gravity.In the reality shown in Fig. 1 Executing in example, heat unit 25 is preferably provided in the 3rd section of air intake passage 14, thus will be to heat unit 25 The water being rinsed is limited in the 3rd section of air intake passage 14, without flowing in cylinder 12 or from entering Dryer 10 is discharged in air port.The water inlet of reflux pipe 20 may be provided at the bottom of the 3rd section.Due to collection Water in tank 30 needs power could pass through detergent line 18 to flow to air intake passage 14.Therefore, water pump 29 can be further configured to controllably be delivered in detergent line 18 condensed water in water leg 30 with to putting Hot portion 25 is rinsed.In certain embodiments, water pump 29 can be threeway water pump, going out of water leg 30 The water inlet of the mouth of a river, discharge pipe line 16 and detergent line 18 is connected to threeway water pump not by pipeline respectively Same port, to allow the water in water leg 30 to be controllably delivered to drain pipe or cleaning via threeway water pump Pipeline 18.In further embodiments, set between water pump 29 and discharge pipe line 16 and detergent line 18 Being equipped with three-way valve, the outlet of water leg 30 connects with the water inlet port of three-way valve via water pump 29, draining The water inlet of pipeline 16 and detergent line 18 is connected respectively to two water outlet ports of three-way valve, to allow collection Water in tank 30 is controllably delivered to respective line (discharge pipe line 16 via a water outlet port of three-way valve Or detergent line 18).
Present inventor creatively sets up cleaning shower nozzle 19, detergent line 18 and reflux pipe 20, Make water pump 29 controllably connect detergent line 18, thus the condensed water in available water leg 30 is to heat unit 25 are rinsed, it is to avoid impurity the changing heat unit 25 such as the dust in dryer 10 external environment condition, micro-bits The thermal efficiency has undesirable effect.Additionally, by heat unit 25 is rinsed, also can avoid in heat exchanging part The impurity such as the dust of attachment, micro-bits flow in cylinder 12 with air intake and stick on medicated clothing.
Further, dryer 10 may also include liquid level sensor 23, is arranged in water leg 30, is used for The water level of condensed water in detection water leg 30.Water pump 29 can be further configured to according to liquid level sensor 23 Condensate pump 29 in water leg 30 is entered detergent line 18 or discharge pipe line 16 by the controlled level ground of detection In.Specifically, water pump 29 is further configured to, after heater 27 stops heating, work as level sensing Start when the water level that device 23 detects is more than the first preset water level, with by defeated for the condensed water in water leg 30 Deliver to heat unit 25 is rinsed by detergent line 18;And heat unit 25 is being rinsed a setting After time (such as 2min, 3min, 5min), the condensed water in water leg 30 is all delivered to discharge pipe line In 16 thus flow in collecting box 22 temporary.Now, water pump 29 turns on detergent line 18, water pump 29 The cleaned pipeline of current 18 in water leg 30 cleaned shower nozzle 19 is driven to be sprayed onto condensing heat-exchange fin In group, so that the impurity such as the dust being bonded in condensing heat-exchange fins set, micro-bits are rinsed, the water after flushing Water leg 30 is flowed back to through reflux pipe 20.The one setting time of rinsing condensing heat-exchange fins set is to complete cold After the flushing of solidifying heat exchange fin group, water pump 29 communicated drainage pipeline 16, the water in water leg 30 is by water pump 29 are pumped in collecting box 22 keep in.
In certain embodiments, water pump 29 is further configured to, after heater 27 stops heating, work as liquid The water level that level sensor 23 detects starts less than during the first preset water level, with by the condensation in water leg 30 Water is delivered in discharge pipe line 16 thus flows in collecting box 22 temporary.When the water level in water leg 30 is low When the first preset water level, generally mean that the water yield in water leg 30 is less, utilize this part shipwreck with Heat unit 25 is effectively rinsed, now, directly the condensed water in water leg 30 can be drained into and catchment In box 22.
Further, water pump 29 may be additionally configured to: in heater 27 heating process, works as level sensing The water level that device 23 detects starts higher than during the second preset water level, with by the condensate portion in water leg 30 Be delivered in collecting box 22, so that the water level decreasing in water leg 30 is to the first preset water level, wherein First preset water level is less than the second preset water level.When the water level in water leg 30 is higher than the second preset water level, Generally mean that the water yield in water leg 30 is more, if not in time the water yield in water leg 30 being discharged one Part, then when flowing to new condensed water, easily make the water in water leg 30 overflow.The present invention is by water pump 29 carry out aforementioned setting, both can prevent the water in water leg 30 from overflowing, and ensure that after dry end, There are enough condensed waters that heat unit 25 is rinsed.
Fig. 3 is the method flow processed the hydrops in water leg 30 according to an embodiment of the invention Figure.Below with reference to the flow chart in Fig. 3 and combine Fig. 1, the processing method of hydrops in water leg 30 is entered Row explanation.
First illustrate dryer 10 perform drying operation during, i.e. in heater 27 heating process or Person says (judged result in step S202 is "Yes") in heater 27 galvanization, to water leg The processing method of hydrops in 30.
During heater 27 is energized to heat the air in air intake passage 14, along with drying In machine 10, medicated clothing is gradually dried, and the condensed water collected in water leg 30 is on the increase, in order to prevent collection Condensed water in tank 30 overflows, and liquid level sensor 23 can be configured to set time interval detection water leg The water level of 30.When the water level that liquid level sensor 23 detects is higher than the second preset water level (in step S203 Judged result be "Yes"), water pump 29 turns on discharge pipe line 16, and water pump 29 starts with by water leg It is delivered in collecting box 22, so that the water level decreasing in water leg 30 is to condensate portion in 30 One preset water level (step S205).The water level detected when liquid level sensor 23 not higher than (i.e. equal to or Be less than) the second preset water level time (judged result in step S203 is "No"), water pump 29 does not works, Hydrops in water leg 30 wouldn't be processed.
Then illustrate dryer 10 drying operate terminate after, i.e. heater 27 stop heating after or After saying heater 27 power-off (judged result in step S202 is "No"), to long-pending in water leg 30 The processing method of water.
After heater 27 power-off, liquid level sensor 23 can detect the water level of water leg 30, when liquid level passes When the water level that sensor 23 detects is more than the first preset water level, (judged result in step S204 is "Yes"), water pump 29 turns on detergent line 18, is delivered to the condensed water in water leg 30 clean In pipeline 18, heat unit 25 is rinsed (step S206);After heat unit 25 flushing is terminated, Water pump 29 turns on discharge pipe line 16, the condensed water in water leg 30 is delivered in discharge pipe line 16 from And flow into (step S207) in collecting box 22.The water level detected when liquid level sensor 23 is pre-less than first If during water level (judged result in step S204 is "No"), water pump 29 turns on discharge pipe line 16, Condensed water in water leg 30 is all delivered to discharge pipe line 16, thus flows into temporary (step in collecting box 22 Rapid S207).User can be after condensed water be all delivered in collecting box 22 by water pump 29, by collecting box 22 take out, and are poured out by condensed water therein.
It will be understood by those skilled in the art that in an alternative embodiment, the air inlet of air intake passage 14 is also May be provided on dryer 10 either lateral side plate or header board (i.e. casing 11 front surface), its air outlet can Communicate therewith with the zones of different at cylinder 12, the top perisporium of such as cylinder 12 or the front portion of cylinder 12. The air inlet of air exhaust passage 15 also can communicate therewith in the zones of different of cylinder 12, such as the rear portion of cylinder 12 Deng, its air outlet may be provided at either lateral side plate or the header board (i.e. casing 11 front surface) of dryer 10 On.Air intake passage 14 and air exhaust passage 15 can extend to its air outlet with other extension paths from its air inlet.
Can be by the metal tube of good heat conductivity or metallic plate between endothermic section 24 and the heat unit 25 of heat-exchanger rig Such as copper pipe, copper coin etc. connect.The heat exchange fin 31 of heat unit 25 and endothermic section 24 can be respectively along air intake The bearing of trend of passage 14 or air exhaust passage 15 extends and extends along the wind path flow direction in other words.Certainly, at other In alternate embodiment, heat-exchanger rig also can only metal tube or metallic plate by good heat conductivity be formed, heat exchange It is endothermic section 24 that device is positioned at the end in air exhaust passage 15, and being positioned at the end in air intake passage 14 is heat release Portion 25.
In an alternative embodiment, the section (water leg in other words arranging endothermic section 24 of air exhaust passage 15 30) may be provided at above the section of layout heat unit 25 of air intake passage 14, the water in water leg 30 can The most controllably (such as pass through Valve controlling) to flow in detergent line 18 with to heat unit 25 are rinsed;Water pump 29 can be configured to the water after being controllably rinsed heat unit 25 and leads back and catchment Groove 30.Or, dryer 10 can arrange two water pumps 29, for respectively controllably by water leg 30 Water pump 29 deliver in detergent line 18 heat unit 25 is rinsed and heat unit 25 will be rushed 29 times water legs 30 of water pump after washing, in such embodiments, can be without particular limitation of air exhaust passage 15 Arrange the section of endothermic section 24 and the relative position of the section of the layout heat unit 25 of air intake passage 14.
Additionally, collecting box 22 may also be configured to be removably disposed in the bottom of water leg 30, can be in draining Arranging valve on pipeline 16, when valve is opened, the water in water leg 30 can flow to catchment under gravity In box 22;When valve closing, the water in water leg 30 is maintained in water leg 30.
So far, although those skilled in the art will appreciate that and the most detailed illustrate and describing the present invention's Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.

Claims (11)

1. a dryer, including:
For accommodating the cylinder of medicated clothing to be dried;
Air intake passage, is configured to the air of described outside clothes dryer environment is introduced described cylinder;
Heater, is arranged in described air intake passage, is configured to the air to flowing through it and heats with shape Become the temperature hot-air higher than ambient temperature;
Air exhaust passage, is configured to after described hot-air flows through described cylinder be drained into described outside clothes dryer Environment;
It is characterized in that, described dryer also includes:
Heat-exchanger rig, comprising: endothermic section, is arranged in described air exhaust passage, with from described air exhaust passage Hot-air in absorb heat;And heat unit, it is arranged in described air intake passage and is positioned at described heater Upstream, with utilize heat that described endothermic section absorbs to described air intake passage arrives described heater it Front air preheats.
Dryer the most according to claim 1, it is characterised in that
Described endothermic section and described heat unit are heat exchange fin group, are connected by least two heat pipes therebetween.
Dryer the most according to claim 2, it is characterised in that also include:
Water leg, is arranged on below described endothermic section, for collecting the hot-air in described air exhaust passage and institute The condensed water formed after stating endothermic section heat exchange;
Collecting box, is removably disposed on described dryer, and it is by discharge pipe line with described water leg even Logical, it is used for keeping in described condensed water;With
Water pump, is configured to controllably the condensed water in described water leg is delivered to described discharge pipe line thus temporary Exist in described collecting box.
Dryer the most according to claim 3, it is characterised in that
Described collecting box is removably disposed in the top of described dryer, and is positioned at above described cylinder.
Dryer the most according to claim 3, it is characterised in that also include:
Detergent line, for causing described air intake passage by the condensed water in described water leg, to put described Hot portion is rinsed;With
Reflux pipe, the water after being rinsed described heat unit leads back described water leg.
Dryer the most according to claim 5, it is characterised in that
The water outlet of described detergent line is provided with cleaning shower nozzle;
Described cleaning shower nozzle is arranged between described heater and described heat unit, and towards described heat unit Arrange.
Dryer the most according to claim 5, it is characterised in that
The section arranging described endothermic section of described air exhaust passage is positioned at described in the arranging of described air intake passage to be put Below the section in hot portion;
The bottom of the section arranging described heat unit of described air intake passage is provided with described reflux pipe even Logical outlet, so that the water after being rinsed described heat unit is under gravity via described reflux pipe Return described water leg;
Described water pump is further configured to controllably the condensed water in described water leg is delivered to described cleaning So that described heat unit is rinsed in pipeline.
Dryer the most according to claim 7, it is characterised in that also include:
Liquid level sensor, is arranged in described water leg, for detecting the water level of condensed water in described water leg;
Described water pump is further configured to after described heater stop heats, when described liquid level sensor Start when the water level detected is more than the first preset water level, so that the condensed water in described water leg is delivered to Described heat unit is rinsed by described detergent line;And after described heat unit is rinsed the setting time Condensed water in described water leg is delivered in described discharge pipe line thus flows in described collecting box.
Dryer the most according to claim 8, it is characterised in that
Described water pump is further configured to after described heater stop heats, when described liquid level sensor The water level detected starts less than during described first preset water level, to be carried by the condensed water in described water leg To in described discharge pipe line thus flow in described collecting box temporary.
Dryer the most according to claim 8, it is characterised in that
Described water pump is further configured to during described heating devices heat, when described liquid level sensor The water level detected starts higher than during the second preset water level, with by defeated for the condensate portion ground in described water leg Deliver in described collecting box, so that the water level decreasing in described water leg is to described first preset water level,
Wherein said first preset water level is less than described second preset water level.
11. dryers according to claim 7, it is characterised in that
Described at least two heat pipes are spaced, parallel to each other and bending extends, and every described heat pipe includes position In middle and tilt the angled section extended, and two ends from described angled section extend to straight up respectively The upper end section of described air intake passage and extend to the lower end section of described air exhaust passage straight down,
Described heat unit and described endothermic section are separately fixed in upper end section and the lower end section of described heat pipe;
Described heat exchange fin group includes that the spaced setting of horizontally extending and in the vertical direction is many Individual heat exchange fin.
CN201510334203.9A 2015-06-16 2015-06-16 Clothes dryer Active CN106319908B (en)

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TWI809734B (en) * 2021-02-24 2023-07-21 南韓商Lg電子股份有限公司 Laundry treating apparatus

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Effective date of registration: 20201106

Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao

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Patentee after: Haier Smart Home Co., Ltd.

Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao

Patentee before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd.