WO2016123906A1 - Condenseur à air et machine à sécher le linge - Google Patents

Condenseur à air et machine à sécher le linge Download PDF

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Publication number
WO2016123906A1
WO2016123906A1 PCT/CN2015/084070 CN2015084070W WO2016123906A1 WO 2016123906 A1 WO2016123906 A1 WO 2016123906A1 CN 2015084070 W CN2015084070 W CN 2015084070W WO 2016123906 A1 WO2016123906 A1 WO 2016123906A1
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WO
WIPO (PCT)
Prior art keywords
air
duct
condensing
group
ducts
Prior art date
Application number
PCT/CN2015/084070
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English (en)
Chinese (zh)
Inventor
邴进东
孙鹏举
施衍奇
王健
Original Assignee
青岛海尔洗衣机有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to EP15880861.8A priority Critical patent/EP3255201B1/fr
Priority to KR1020177024354A priority patent/KR20170110120A/ko
Priority to JP2017541240A priority patent/JP2018504235A/ja
Priority to US15/547,733 priority patent/US20180066893A1/en
Publication of WO2016123906A1 publication Critical patent/WO2016123906A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
    • 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 
    • D06F58/206—Heat pump arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
    • F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
    • F28D7/087—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions assembled in arrays, each array being arranged in the same plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • 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
    • D06F2103/56—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to air ducts, e.g. position of flow diverters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28—Electric heating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/30—Blowers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0038—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for drying or dehumidifying gases or vapours

Definitions

  • the present invention relates to the field of clothes drying devices, and more particularly to an air condenser applied to a clothes dryer and a clothes dryer having the air condenser.
  • the condensers currently used in dryers on the market are generally cross-type air heat exchangers, and the cross-type heat exchangers only have a single condensing duct and cooling ducts that cross each other.
  • condensing winds The intake air heat in the channel is not fully utilized, so the thermal efficiency is low and the energy loss is large.
  • Fig. 1 and Fig. 2 it is the structure of the above-mentioned cross-type air heat exchanger and the internal air direction thereof.
  • the working principle of the above-mentioned conventional condenser used in the dryer is as follows: during the use of the dryer, The air duct of the conventional condensing dryer is divided into a condensing duct j' and a cooling duct i', the cooling duct i' is a non-closed loop, and the fan draws air into the dryer and passes through the air condenser 1' The inner surface is subjected to heat exchange, and the air is heated and then heated to exit the air condenser 1' through the outlet of the cooling duct.
  • the condensing duct j' is a closed air passage, and the air circulates in the condensing duct j' formed between the drum 3' of the dryer, the air condenser 1', the heater 2', and the like, and the fan will be inside the drum 3'
  • the saturated hot air 5' passing through the air condenser is sucked into the air condenser 1', and heat exchange is performed on the inner surface of the air condenser 1' to condense the saturated hot air 5' before passing through the air condenser into condensed water 9'
  • the air condenser 1' is exhausted, and the unsaturated hot air 8' of the exhaust air condenser 1' is heated by the heater 2' to become hot dry air 4', and enters the drum 3' of the dryer to be in full contact with the clothes.
  • the water on the surface of the clothes is evaporated into water vapor, and then sucked into the air condenser 1' for condensation to form a closed loop process.
  • the air in the cooling air duct i' enters into the air condenser 1' through the room temperature dry air 6' before the air condenser, and becomes heat-dried after being exchanged with the saturated hot air 5' before passing through the air condenser.
  • Air 7' The air condenser 1' is discharged outside. The heat carried by the hot air discharged from the condenser in the cooling duct i' by the dryer using the above conventional condenser is lost, resulting in a large amount of heat wasted.
  • An object of the present invention is to provide an air condenser to solve the problem that the heat exchange of the hot air in the prior art cross heat exchanger is severe and the heat exchange efficiency is low.
  • Another object of the present invention is to provide a clothes dryer which is provided with the above-mentioned air condenser, so that the dryer has less energy loss during use and high heat exchange efficiency.
  • the present invention employs the following technical solutions:
  • An air condenser comprising a cross-arranged condensing duct and a cooling duct, the condensing duct comprising a first group of condensing ducts and a second group of condensing ducts, wherein the inlet ducts of the first group of condensing ducts
  • the outlet ducts of the second group of condensing ducts are at least partially heat exchangeable, and the outlet ducts of the first group of condensing ducts and the inlet ducts of the second group of condensing ducts are at least partially heat exchangeable.
  • the condensing duct comprises an intermediate duct; wherein at least part of the intermediate duct is connected between the inlet duct and the outlet duct of the first group of condensing ducts; at least another part of the intermediate duct is connected to the second
  • the inlet air duct of the group condensing duct is disposed between the air duct and the air duct; the intermediate air duct and the cooling duct are disposed to exchange heat.
  • the first group of condensing ducts comprises at least one first condensing sheet, wherein the first condensing sheet is formed with at least an inlet duct and an outlet duct of the first condensing duct;
  • Group cold The air condensing duct includes at least one second condensing sheet, wherein the second condensing sheet is formed with at least an inlet air duct and an air outlet duct of the second condensing duct; and the first condensing sheet is spaced apart from the second condensing sheet Providing that an inlet air duct of the first condensing duct is disposed adjacent to an air outlet duct of the second condensing duct and a projection thereof at least partially coincides; an air outlet duct of the first condensing duct The inlet ducts of the second condensing duct are adjacently disposed and their projections at least partially coincide.
  • the intermediate air duct is formed integrally or separately from the air inlet duct and the air outlet duct of the first group of condensing ducts and the second group of condensing ducts.
  • cooling duct is used to pass a low temperature gas or liquid.
  • the method further includes four interfaces, respectively connecting the inlet air duct of the first group of condensing ducts, the air outlet duct of the first group of condensing ducts, and the air inlet duct of the second group of condensing ducts.
  • the outlet air duct of the two groups of condensing ducts are connected to four interfaces, respectively connecting the inlet air duct of the first group of condensing ducts, the air outlet duct of the first group of condensing ducts, and the air inlet duct of the second group of condensing ducts.
  • the invention employs the following technical solutions:
  • a clothes dryer comprising a drum and a heater, the dryer being provided with an air condenser as described above; the drum being in communication with a first air inlet and a second air inlet of the air condenser.
  • the invention has the beneficial effects that: in the air condenser of the invention, the first group of condensing ducts and the second group of condensing ducts capable of partially performing heat exchange are arranged, so that the high temperature and high humidity air flowing out from the dryer drum It exchanges heat with the air that enters the heater after being condensed by the air condenser. At the same time of preheating, it can pre-cool the high-temperature and high-humidity air, and can effectively recycle the residual heat of the high-temperature air in the condensing duct. It can reduce the loss of heat and improve energy efficiency while achieving energy saving.
  • the air condenser is provided, and since the air condenser can effectively recycle the residual heat of the air in the condensing duct, the heat exchange efficiency of the heater for heating the air is improved by 14 %-20%, effectively saving energy consumption, improving heat exchange efficiency, making clothes
  • the machine consumes less energy during use, further protects the environment and improves the market competitiveness of the dryer.
  • FIG. 1 is a schematic view showing the structure of an air condenser in the prior art and the wind passage through the air condenser;
  • Figure 2 is a schematic view showing the direction of air flow inside the dryer in the prior art
  • FIG. 3 is a schematic structural view of an air condenser air passage according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural view of a first condensing sheet according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural view of a second condensing sheet according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic structural view of a cooling package sheet according to Embodiment 1 of the present invention.
  • Figure 7 is a schematic view showing the flow of air inside the condensing dryer according to the first embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a first condensing sheet according to Embodiment 2 of the present invention.
  • FIG. 9 is a schematic structural view of a second condensing sheet according to Embodiment 2 of the present invention.
  • Figure 10 is a schematic view showing the combined structure of a first condensing sheet and a second condensing sheet according to a second embodiment of the present invention.
  • Figure 11 is a schematic view showing the structure of the air in the in-line type clothes dryer according to the second embodiment of the present invention.
  • Figure 12 is a schematic structural view of an air condenser according to a third embodiment of the present invention.
  • Figure 13 is a schematic view showing the structure of the air in the heat pump type dryer according to the third embodiment of the present invention.
  • i' cooling air duct
  • j' condensing air duct
  • 1' air condenser
  • 2' heater
  • 3' drum
  • 4' hot dry air
  • 5' saturated heat before passing through the air condenser Air
  • 6' room temperature dry air before air condenser
  • 7' hot dry air
  • 8' unsaturated hot air after passing through air condenser
  • 9' condensed water
  • the invention provides an air condenser comprising a cross-arranged condensing duct and a cooling duct, the condensing duct comprising a first group of condensing ducts and a second group of condensing ducts, wherein the first group of condensing ducts enters the wind
  • the air outlet ducts of the second group of condensing ducts are at least partially heat exchangeable, and the air ducts of the first group of condensing ducts and the inlet ducts of the second group of condensing ducts are at least partially heat exchangeable Settings.
  • the condensing duct comprises an intermediate duct, wherein at least part of the intermediate duct is connected between the inlet duct and the outlet duct of the first group of condensing ducts; at least another part of the intermediate duct is connected to the second group of condensing ducts Between the inlet air duct and the outlet air duct, the intermediate air duct and the cooling duct are disposed so that the cold air or the refrigerating liquid in the cooling duct can exchange heat with the intermediate air duct of the condensing duct.
  • the air condenser in this embodiment includes a condensing duct j and a cooling duct i which are disposed at an intersection, and the condensing duct j includes a first group of condensing ducts and a second group of condensing ducts, wherein the air entering the first group of condensing ducts
  • the air duct and the outlet duct of the second group of condensing ducts are at least partially heat exchangeable, the air duct of the first group of condensing ducts and the inlet duct of the second group of condensing ducts A small number of hot swappable settings.
  • the cooling duct i is disposed between the first group of condensing ducts and the second group of condensing ducts for the passage of the low temperature gas or liquid.
  • the hot air passing through the first group of condensing ducts and the second group of condensing ducts of the condensing duct j is heat-exchanged with the low-temperature gas or liquid in the cooling duct i.
  • the condensing duct further includes an intermediate duct, at least a part of the intermediate duct is connected between the inlet duct and the outlet duct of the first group of condensing ducts; at least another part of the intermediate duct is connected at The inlet air duct of the second group of condensing ducts is between the air duct and the air duct.
  • the first set of condensing ducts and the hot air in the second set of condensing ducts exchange heat with the cryogenic gas or liquid in the intermediate duct in the cooling duct i.
  • the cooling duct i is composed of cooling fins 11 which are sequentially arranged throughout the entire thickness direction of the condenser.
  • the structure of the cooling sheet 11 in the present embodiment has a vent hole 111 formed in the cooling sheet 11, the vent hole 111 has a flange structure, and the vent hole 111 is used for the room temperature circulating from the cooling duct i. Dry air passes.
  • the shape of the vent hole 111 formed in the cooling sheet 11 may be any shape as long as air can pass through the vent hole 111.
  • the first group of condensing ducts of the condensing duct j includes at least one first condensing sheet 12, the first condensing sheet is formed with at least an inlet dam and an outlet duct of the first condensing duct; and the second group of condensing ducts At least one second condensing sheet 13 is formed, and the second condensing sheet 13 is formed with an inlet air duct and an air outlet duct of the second condensing duct.
  • the first group of condensing ducts are sequentially arranged by the first condensing fins 12, and the second group of condensing ducts are sequentially arranged by the second condensing fins 13.
  • the air inlet ducts and the air ducts of the first group of condensing ducts are arranged by An inlet duct and an outlet duct of the first condensing duct of the condensing fin 12 are arranged, and the inlet duct and the outlet duct of the second group of condensing ducts are condensed by the second condensing duct of the second condensing fin 13
  • the inlet air duct and the air outlet duct are arranged.
  • the first condensing sheet 12 and the second condensing sheet 13 are arranged at intervals, such that the inlet air duct of the first condensing duct is adjacent to the air outlet duct of the second condensing duct and the projections at least partially coincide.
  • the air outlet duct of the first condensing duct is adjacent to the air inlet duct of the second condensing duct and the projection thereof is at least unsealed.
  • the first condensing sheet 12 and the second condensing sheet 13 are sequentially spaced apart from each other across the thickness direction of the air condenser.
  • the present embodiment provides air guiding grooves on both the first condensing sheet 12 and the second condensing sheet 13.
  • the first condensing fin 12 is provided with a first air guiding groove 121, and the direction of the first air guiding groove 121 is from the first air inlet A of the condenser to the first air outlet C of the condenser.
  • the direction of the first air guiding groove 121 is evenly distributed along the width direction of the first air inlet and the first air outlet.
  • the second condensing fin 13 is provided with a second air guiding groove 131.
  • the direction of the second air guiding groove 131 extends from the second air inlet B of the condenser to the second air outlet D of the condenser, and the second air guiding direction
  • the groove 131 is evenly distributed along the width direction of the second air inlet B and the second air outlet D.
  • a burring structure is provided on the vent hole 111 of the cooling sheet 11, and the burring structure is for supporting the first condensing sheet 12 and the second condensing sheet 13 adjacent to each of the cooling sheets 11 so that the burring
  • the height of the structure is equal to the width of the air guiding grooves provided on the first condensing sheet 12 and the second condensing sheet 13.
  • one end of the first air guiding groove 121 in the embodiment is fixed on the cooling sheet 11 and the other end is fixed on the first condensing sheet 12; one end of the second air guiding groove 131 is fixed at The other end is fixed on the second condensing sheet 13 on the cooling sheet 11.
  • this embodiment also proposes a clothes dryer including the air condenser 1, the heater 2 and the drum 3 in this embodiment, and the drum 3 is for holding clothes and being on the drum. 3, the clothes are dried.
  • the flow direction of the air and the air in the clothes dryer are changed as follows.
  • the room temperature dry air 6 passing through the air condenser enters the air condenser from the inlet of the cooling duct, passes through the saturation in the cooling duct and passes through the air condenser from the drum 3 into the condensing duct. After the heat is exchanged by the hot air 5, the dry air at room temperature 6 It becomes hot dry air 7.
  • the saturated hot air 5 entering the air condenser 1 from the drum 3 enters the air condenser 1 from the first air inlet A and the second air inlet B of the air condenser 1, respectively, for heat exchange, After the heat exchange in the air condenser 1, the hot dry air 7 is discharged from the air condenser from the first air outlet C and the second air outlet D, respectively, and is collected and then heated into the heater 2.
  • the air in the condensing duct exchanges heat with the air in the cooling duct
  • the air in the first group of condensing ducts and the second group of condensing ducts Perform heat exchange.
  • the airflow passing through the first air guiding groove 121 in the first condensing fin 12 and the air current passing in the second air guiding groove 131 of the second condensing sheet 13 are in the first condensing sheet 12 and the second condensing sheet 13
  • the coincident parts meet and exchange heat.
  • the heat of the saturated hot air 5 before passing through the air condenser is transferred to the unsaturated hot air 8 to be preheated; after passing through the air condenser
  • the unsaturated hot air 8 pre-cools the saturated hot air 5 to facilitate further cooling of the room temperature dry air 6 in the cooling duct i, and discharges the generated condensed water 9 to the outside of the air condenser 1.
  • the unsaturated hot air 8 after passing through the air condenser enters the heater 2, becomes hot dry air 4 after being heated by the heater 2, and then enters the drum 3 to dry the laundry, and after drying, saturates the hot air 5, And enter the next round of air circulation.
  • the first condensing sheet 12, the second condensing sheet 13, and the cooling sheet 11 are each made of one of PVC, PET, or aluminum sheets.
  • the first condensing sheet 12, the second condensing sheet 13, and the cooling sheet 11 in the present embodiment have a thickness of 0.2 mm to 0.4 mm.
  • the air condenser 1 is provided with a first group of condensing ducts and a second group of condensing ducts capable of partially performing heat exchange, so that the high temperature and high humidity air flowing out from the dryer drum 3 passes through the air.
  • the air entering the heater 2 is exchanged for heat exchange, and the preheating is performed, and the high-temperature and high-humidity air can be pre-cooled, and the residual heat of the high-temperature air in the condensing duct can be effectively performed. Recycling, reducing heat loss, can also achieve energy saving while improving heat transfer efficiency.
  • the embodiment of the present invention provides an air condenser and an in-line type clothes dryer, as shown in FIG. 8-10, which is the structure of the air condenser proposed in the embodiment, and is the same as in the first embodiment.
  • the air condenser includes a condensing duct and a cooling duct which are disposed at an intersection, the condensing duct includes a first group of condensing ducts and a second group of condensing ducts, wherein the inlet duct of the first group of condensing ducts and the second group of condensing ducts
  • the air outlet duct of the duct is at least partially heat exchangeable, and the air duct of the first group of condensing ducts and the inlet duct of the second group of condensing ducts are at least partially heat exchangeable.
  • the cooling duct is disposed between the first group of condensing ducts and the second group of condensing ducts for supplying the refrigerant gas or the refrigerating liquid.
  • the hot air passing through the first set of condensing ducts and the second set of condensing ducts of the condensing duct is in heat exchange with the refrigerant gas or the refrigerating liquid in the cooling duct.
  • the cooling duct is composed of a cooling fin 11 which is arranged in sequence through the entire thickness direction of the condenser, and a vent hole is formed in the cooling fin 11, the vent hole has a flange structure, and the vent hole is used for the room temperature to be circulated from the cooling duct.
  • the air passes.
  • the shape of the vent hole formed in the cooling sheet 11 may be any shape as long as air can pass through the vent hole.
  • the first condensing sheet in the first group of condensing ducts in the first embodiment and the second condensing sheet in the second group of condensing ducts are the same in structure and arrangement as in the first embodiment.
  • the first set of condensing ducts of the condensing ducts are sequentially arranged by the first condensing sheets 12, and the second group of condensing ducts are sequentially arranged by the second condensing sheets 13.
  • the first condensing sheet 12 and the second condensing sheet 13 are sequentially spaced apart from each other across the thickness direction of the air condenser.
  • air guiding grooves are provided on both the first condensing sheet 12 and the second condensing sheet 13.
  • the first condensing fin 12 is provided with a first air guiding groove 121. As shown in FIG.
  • the direction of the first air guiding groove 121 is from the first air inlet A of the condenser to the condenser.
  • the first air outlet C extends, and the first air guiding groove 121 is evenly distributed along the width direction of the first air inlet A and the first air outlet C.
  • the second condensing fin 13 is provided with a second air guiding groove 131.
  • the direction of the second air guiding groove 131 extends from the second air inlet B of the condenser to the second air outlet D of the condenser, and the second air guiding direction
  • the groove 131 is evenly distributed along the width direction of the second air inlet B and the second air outlet D.
  • a burring structure is provided on the vent hole of the cooling sheet 11, and the burring structure is for supporting the first condensing sheet 12 and the second condensing sheet 13 adjacent to each of the cooling sheets 11 so that the burring structure
  • the height is equal to the width of the air guiding grooves provided on the first condensing sheet 12 and the second condensing sheet 13.
  • one end of the first air guiding groove 121 in the embodiment is fixed on the cooling sheet 11 and the other end is fixed on the first condensing sheet 12; one end of the second air guiding groove 131 is fixed at The other end is fixed on the second condensing sheet 13 on the cooling sheet 11.
  • the first condensing sheet 12 and the second condensing sheet 13 form a coincident region 23 during the formation of the condensing duct.
  • the air condenser in the present embodiment is applied to the in-line type clothes dryer, from the first air guiding groove 121 on the first condensing sheet 12 and from the second condensing sheet 13
  • the saturated hot air 5 entering the air condenser in the second air guiding groove 131 exchanges heat with the unsaturated hot air 8 in the second condensing sheet 13 and the first condensing sheet 12 in the overlapping portion 23, respectively.
  • FIG. 11 it is an air circulation system of the internal air of the in-line type dryer according to the embodiment, which comprises a cooling duct and a condensing duct.
  • the room temperature dry air 6 enters the cooling duct, passes through the heat exchange and becomes the hot dry air 7, and then enters the heater 2, and the hot dry air 7 heated by the heater 2 becomes the hot dry air 4, and enters the drum 3 Dry the clothes in the middle.
  • the hot dry air 4 becomes saturated hot air 5, and enters the air condenser 1 from the first air inlet A and the second air inlet B.
  • FIG. 8-10 after the heat exchange in the air condenser 1, the saturated hot air 5 becomes unsaturated hot air 8, and the air condenser is discharged through the first air outlet C and the second air outlet D.
  • This embodiment proposes an air condenser applied to a heat pump type clothes dryer, and a heat pump type clothes dryer using the heat pump type air condenser. As shown in Figs. 12 and 13, the structure of the air condenser proposed in the present embodiment and the air circulation path inside the heat pump dryer are shown.
  • the air condenser of the embodiment is basically the same as the air condenser of the first embodiment and the second embodiment, except that the cooling fin 11 in the embodiment is provided with a mounting hole, and the mounting hole is provided with a condensing gas for introducing. Or a heat exchange tube 10 that condenses the liquid.
  • the drum 3 on the heat pump type dryer in this embodiment communicates with the first air inlet A and the second air inlet B of the air condenser 1, and the first air outlet C and the second of the heater 2 and the air condenser 1
  • the air outlet D is connected.
  • the saturated hot air 5 discharged from the drum 3 enters from the first air inlet A and the second air inlet B into the air condenser 1 and exchanges with the condensed gas or the condensed liquid introduced into the heat exchange tube 10 to become heat exchange.
  • the unsaturated hot air 8 is discharged from the first air outlet C and the second air outlet D to the outside of the air condenser 1, while the condensed water 9 generated during the heat exchange is dripped through the heat exchange tube 10 and discharged to the air. Outside the condenser 1.
  • the unsaturated hot air 8 after passing through the air condenser enters the heater 2, and after heating, becomes hot dry air 4 and enters the drum 3 again, and continues to dry the laundry.
  • the circulation path of the above air is then repeated until the drying of the laundry is completed.
  • the air condenser is provided, and since the air condenser can effectively recycle the residual heat of the air in the condensing duct, the heat exchange efficiency of the heater for heating the air is improved by 14 %-20%, effectively saving energy consumption, improving heat exchange efficiency, making the dryer consume less energy during use, further protecting the environment, and improving the market competitiveness of the dryer.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention porte sur un condenseur à air (1) et une machine à sécher le linge, qui comprend un conduit d'air condensé (j) et un conduit de refroidissement (i) qui se croisent l'un l'autre. Le conduit d'air condensé (j) comprend un premier groupe de conduits d'air condensé et un second groupe de conduits d'air condensé. Un passage d'entrée d'air du premier groupe de conduits d'air condensé et un passage de sortie d'air du second groupe de conduits d'air condensé sont disposés de sorte qu'au moins une partie de ceux-ci peut échanger de la chaleur. Un passage de sortie d'air du premier groupe de conduits d'air condensé et un passage d'entrée d'air du second groupe de conduits d'air condensé sont disposés de sorte qu'au moins une partie de ceux-ci peut échanger de la chaleur. En agençant le premier groupe de conduits d'air condensé et le second groupe de conduits d'air condensé qui sont aptes à échanger de la chaleur en partie sur le condenseur à air (1), l'air qui s'écoule hors d'un tambour de machine à sécher le linge (3) et présente une chaleur et une humidité élevées échange de la chaleur avec l'air qui a été condensé par le condenseur à air (1) et doit entrer dans un dispositif de chauffage (2). La chaleur perdue de l'air à haute température dans le conduit d'air condensé (j) peut être efficacement recyclée, la perte de chaleur peut être réduite, et l'objet d'économie d'énergie est obtenu lorsque l'efficacité d'échange de chaleur est améliorée.
PCT/CN2015/084070 2015-02-04 2015-07-15 Condenseur à air et machine à sécher le linge WO2016123906A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15880861.8A EP3255201B1 (fr) 2015-02-04 2015-07-15 Condenseur à air et machine à sécher le linge
KR1020177024354A KR20170110120A (ko) 2015-02-04 2015-07-15 공기 콘덴서 및 의류 건조기
JP2017541240A JP2018504235A (ja) 2015-02-04 2015-07-15 空気凝縮器及び衣類乾燥機
US15/547,733 US20180066893A1 (en) 2015-02-04 2015-07-15 Air condenser and clothes dryer

Applications Claiming Priority (2)

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CN201510057233.X 2015-02-04
CN201510057233.XA CN105986454A (zh) 2015-02-04 2015-02-04 一种空气冷凝器及干衣机

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EP3255201A1 (fr) 2017-12-13
KR20170110120A (ko) 2017-10-10
EP3255201A4 (fr) 2018-12-19
CN105986454A (zh) 2016-10-05
JP2018504235A (ja) 2018-02-15
EP3255201B1 (fr) 2020-09-09
US20180066893A1 (en) 2018-03-08

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