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WO2017039298A1 - Sèche-linge - Google Patents

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Publication number
WO2017039298A1
WO2017039298A1 PCT/KR2016/009688 KR2016009688W WO2017039298A1 WO 2017039298 A1 WO2017039298 A1 WO 2017039298A1 KR 2016009688 W KR2016009688 W KR 2016009688W WO 2017039298 A1 WO2017039298 A1 WO 2017039298A1
Authority
WO
WIPO (PCT)
Prior art keywords
injection
condensate
heat exchanger
clothes dryer
duct
Prior art date
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.)
Ceased
Application number
PCT/KR2016/009688
Other languages
English (en)
Korean (ko)
Inventor
유명희
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to CN201680051276.XA priority Critical patent/CN107923115A/zh
Priority to EP16842264.0A priority patent/EP3309291B1/fr
Priority to US15/757,637 priority patent/US20190024299A1/en
Publication of WO2017039298A1 publication Critical patent/WO2017039298A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • 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
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the present invention relates to a clothes dryer, and more particularly, to a clothes dryer having an improved cleaning structure of a heat exchanger.
  • the clothes dryer is a device for forcibly blowing hot air into a drying container to dry wet laundry put in the drying container.
  • These clothes dryers are basically similar to each other in the drum washing machine and its appearance, and dry the laundry by forcibly circulating the heated hot air through the heater and the blowing fan into the drying bin.
  • the clothes dryer may include a condensation dryer and an exhaust dryer.
  • the condensation type dryer is circulated without being discharged to the outside of the dryer by heat exchange with the laundry in the drying container, and the condensate is made by exchanging heat with the outside air in a separate condenser and discharged to the outside.
  • the exhaust dryer heat-exchanges with the laundry in the drying container, and the humidified air is discharged directly to the outside of the dryer.
  • the condensation type dryer is used in recent years because of the advantage of low energy consumption and high thermal efficiency by using a heat pump.
  • the heat pump is composed of an evaporator, a compressor, and a condenser in which the refrigerant circulates, and lint and foreign substances generated in the drying barrel may be accumulated on the inlet side of the air flow path flowing into the evaporator.
  • One aspect of the present invention provides a clothes dryer having a structure capable of cleaning a heat exchanger using condensate.
  • Another aspect of the invention provides a clothes dryer that can improve the injection accuracy by directly mounting the injection member to the heat exchanger.
  • Another aspect of the present invention provides a clothes dryer that can improve heat exchanger cleaning efficiency.
  • Clothes dryer according to an aspect of the present invention
  • a drum rotatably provided in the main body;
  • a heat pump composed of an evaporator, a compressor, a condenser, and an expansion valve to supply hot dry air into the drum;
  • a condensate tank for receiving condensate generated by the heat pump;
  • a spraying member provided to spray the condensed water of the condensate tank to the evaporator, wherein the spraying member is configured to uniformly spray the condensate flowing through the inlet and the surface of the evaporator.
  • An injection unit having a guide surface provided, wherein the guide surface includes a curved surface of which at least a portion of the inner surface is constant curvature.
  • the inlet and the injection unit are integrally injection molded.
  • the guide surface is formed to be bent vertically.
  • the guide surface includes a plurality of protrusions and grooves formed to disperse the condensate.
  • the injection member, the fastening portion is provided to be fastened to the cooling tube of the evaporator.
  • the fastening portion is formed in the frame.
  • the fastening part includes a connection bracket provided in the frame, a coupling groove for coupling with the evaporator, and a fixing protrusion formed in the coupling groove.
  • the injection unit also includes at least one guide rib formed to guide the condensate.
  • the injection unit may be installed to be movable.
  • the injection portion further includes a hinge portion.
  • the pump may further include a pump for pumping the condensate from the condensate tank.
  • the condensate tank, the condensate may include a valve which is provided to supply some of the condensate to the injection member and the other part to the outside of the body.
  • the injection member is injection molded.
  • a first duct connected to the drum for supplying outside air, a second duct for discharging the internal air of the drum, and a blower provided in the second duct.
  • the apparatus may further include a duct cover forming the second duct, and the injection member is connected to the duct cover.
  • Clothes dryer is a drum rotatably provided; A heat pump composed of an evaporator, a compressor, a condenser, and an expansion valve to supply air into the drum; A condensate tank for receiving condensate generated by the heat pump; And a spraying member provided to spray the condensed water of the condensate tank to the evaporator, wherein the spraying member is configured to uniformly spray the condensate flowing through the inlet and the surface of the evaporator.
  • At least a portion of the inner surface includes an injection portion having a guide surface provided with a curved surface having a constant curvature, wherein the inlet portion and the injection portion are injection molded integrally.
  • the guide surface includes a plurality of protrusions and grooves.
  • the said injection part is provided so that a movement is possible.
  • the injection unit includes a stopper provided to limit the movement of the injection unit.
  • It also includes a pump for pumping condensate from the condensate tank.
  • the evaporator further comprises a duct cover, the injection member is integrally injected with the duct cover.
  • Clothes dryer according to another aspect of the invention the drum rotatably provided; A heat pump composed of an evaporator, a compressor, a condenser, and an expansion valve to supply air into the drum; A condensate tank for receiving condensate generated by the heat pump; And a spraying member provided to spray the condensed water of the condensate tank to the evaporator, wherein the spraying member includes a fastening portion for coupling to both ends of the evaporator.
  • the evaporator includes a cooling tube and a cooling fin coupled to the cooling tube, and the fastening portion is coupled to the cooling tube.
  • the fastening part may include a connection bracket provided on the injection member and a coupling groove formed on the connection bracket.
  • the coupling groove, the fixing protrusion is formed to fix the cooling tube.
  • injection member and the fastening portion are integrally injection molded.
  • the condensed water can be accurately injected to the surface of the heat exchanger has the effect of improving the heat exchanger cleaning efficiency.
  • FIG. 1 is a perspective view showing the appearance of a clothes dryer according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view showing a clothes dryer according to an embodiment of the present invention.
  • FIG. 3 is a perspective view showing a heat pump of a clothes dryer according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view illustrating a spray member coupled to an evaporator according to an embodiment of the present invention
  • FIG. 5 is a cross-sectional view taken along line AA ′ of FIG. 4;
  • Figure 6 is a bottom view showing the injection member according to an embodiment of the present invention.
  • FIG. 7 is a sectional view taken along the line B-B 'of FIG.
  • FIG. 8 is a view showing an injection operation of the injection member according to an embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing the injection operation of the injection member according to an embodiment of the present invention.
  • FIG. 10 is a perspective view showing an injection member according to another embodiment of the present invention.
  • FIG. 11 is an exploded perspective view showing a spray member and a duct cover according to another embodiment of the present invention.
  • FIG. 12 is a view showing the flow of condensate by the injection member and the flow of air by the duct cover according to another embodiment of the present invention.
  • FIG. 13 is a perspective view showing an injection member according to another embodiment of the present invention.
  • 16 to 17 is a view showing the condensed water injection operation by the injection member according to another embodiment of the present invention.
  • 18 to 19 is a view showing the condensed water injection operation by the injection member according to another embodiment of the present invention.
  • FIG. 1 is a perspective view showing the appearance of a clothes dryer according to an embodiment of the present invention
  • Figure 2 is a cross-sectional view showing a clothes dryer according to an embodiment of the present invention
  • Figure 3 is an embodiment of the present invention
  • the clothes dryer 1 includes a main body 10 forming an external appearance, a drum 12 rotatably installed in the main body 10, and a drum 12 rotating.
  • High temperature drying inside the drive device 50, the first duct 20, the second duct 30, the blower 40, and the drum 12 provided to circulate air into the drum 12. It may include a heat pump 70 is provided to supply air.
  • the main body 10 is provided in a substantially hexahedral shape.
  • An inlet 10a for injecting or withdrawing an object to be dried is formed on the front surface of the main body 10, and a door 11 for opening and closing the inlet 10a is provided.
  • the control panel 15 for controlling the operation of the clothes dryer 1 may be provided on the front upper side of the main body 10.
  • the cylindrical drum 12 is provided inside the main body 10.
  • the drum 12 is rotatably installed by receiving the power of the driving device 50.
  • the driving device 50 may include a configuration capable of receiving a rotational force including the motor 51 and the belt 52.
  • the drum 12 is opened to the front of the main body 10, and the door 11 is installed and opened in the opened front inlet 10a so that the object to be dried can be introduced into or discharged into the drum 12.
  • the rear side of the drum 12 is provided with a first duct 20 which is provided to communicate with the inside of the drum 12.
  • the first duct 20 is formed to communicate with the outside of the main body 10 and is provided to allow the outside air to flow into the drum 12.
  • the suction port 21 may be formed on the rear surface of the main body 10.
  • the first duct 20 is connected to the suction port 21 of the main body 10 so as to suck outside air.
  • the first duct 20 forms an intake flow passage provided to introduce outside air into the drum.
  • the first duct 20 is coupled to the rear surface of the drum 12, but the spirit of the present invention is not limited thereto.
  • the first duct may be formed under the drum.
  • the heater 23 may be installed inside the first duct 20.
  • the air introduced through the first duct 20 is heated by the heater 23 to be introduced into the drum 12.
  • the heater 23 is provided to heat the air.
  • the heater 23 may include a coil heater.
  • the heater 23 may be disposed inside the first duct 20.
  • the heater 23 converts the air flowing into the main body 10 through the suction port 21 from the first duct 20 to convert the hot air into the hot air and improves the heating efficiency by guiding the inside of the drum 12. .
  • the wet drying object in the drum 12 may be dried by hot air supplied through the first duct 20, while the hot air passing through the drum 12 may be discharged through the second duct 30.
  • the lower side of the drum 12 is provided with a second duct 30 is provided to communicate with the interior of the drum 12.
  • the second duct 30 is provided to guide the discharge of air introduced into the drum 12.
  • the second duct 30 forms an exhaust passage provided to discharge the bet to the outside of the main body 10.
  • the second duct 30 is provided to be in communication with the filter member 60 in the lower portion of the drum 12, the blower 40 installed in the lower portion of the drum 12, and the outside of the rear surface of the main body 10. It is connected to the outlet 31.
  • the outlet 31 is formed in the lower rear of the main body 10.
  • the second duct 30 is connected to the outlet 31 of the main body 10 so as to discharge the bet.
  • the blower 40 installed in the second duct 30 generates an air flow for discharging air passing through the drum 12 to the outside.
  • the blower 40 may include a blower housing 41 and a blower fan 42 provided inside the blower housing 41.
  • the blower fan 42 can discharge the air of low temperature and high humidity passing through the drum 12.
  • the heat pump 70 may include an evaporator 71, a compressor 73, a condenser 72, and an expansion valve 74.
  • the heat pump 70 is configured by the evaporator 71, the compressor 73, the condenser 72 and the expansion valve 74 is connected by a pipe through which the refrigerant flows.
  • the evaporator 71 is provided to cool and dehumidify the low temperature and high humidity air from the drum 12.
  • the condenser 72 is provided to condense the refrigerant to heat the air.
  • the compressor 73 may compress the refrigerant, and may include an expansion valve 74 provided to maintain the pressure difference of the refrigerant.
  • the evaporator 71 and the condenser 72 of the heat pump 70 are provided to directly exchange heat with air introduced into the body 10. Since the heat exchange between the air and the refrigerant occurs through the evaporator 71 and the condenser 72 to form hot dry air, the evaporator 71 and the condenser 72 may be referred to as a heat exchanger.
  • the condenser 72 is called a first heat exchanger
  • the evaporator 71 is called a second heat exchanger.
  • the first heat exchanger may be disposed in the first duct 20.
  • the first heat exchanger heats the air introduced from the outside of the main body 10 in the first duct 20 to change it into hot air in a heated state.
  • the air in the first duct 20 is heated by the first heat exchanger and the heater 23 to supply hot air into the drum 12.
  • the evaporator 71 ie, the second heat exchanger
  • the first heat exchanger and the second heat exchanger include a compressor 73 and an expansion valve 74 to form a vapor compression cycle.
  • the compressor 73 and the expansion valve 74 may be installed lower than the drum 12 or lower than the drum 12.
  • the first heat exchanger and the second heat exchanger are connected by a pipe 75 to form one closed loop.
  • This steam compression cycle applies the heat pump principle to the air flowing inside the body (10).
  • the first heat exchanger and the compressor 73 may provide heat to the inlet air of the first duct 20 to assist in heating the heater 23 of the inlet air, thereby improving the heating efficiency of the inlet air.
  • the refrigerant absorbs heat from the humid air coming out of the drum 12 in the second heat exchanger and evaporates. As a result, the air is cooled, and moisture contained in the air condenses and falls down the body 10 by gravity.
  • the condensate formed through heat exchange with the second heat exchanger may be stored in the condensate tank 80 drained to the outside of the main body 10 or described later, or used to clean the second heat exchanger.
  • Condensate used to clean the condensate and the second heat exchanger may be accommodated in the condensate tank 80 without distinction and then drained to the outside of the main body 10.
  • a base frame 70a is provided below the evaporator 71 and the condenser 72 of the heat pump 70 to support the evaporator 71 and the condenser 72.
  • the refrigerant of the heat pump 70 is evaporated in the evaporator 71 and then compressed at a high temperature and high pressure in the compressor 73, and then condensed by transferring heat to the air cooled in the condenser 72.
  • the blower 40 is preferably arranged in line with the second heat exchanger. The air flow by the blower 40 of the second duct 30 is lowered while passing through the second heat exchanger. The air flow by the blower 40 may function to easily remove condensate generated on the surface of the second heat exchanger.
  • water contained in the hot and humid air is condensed and condensed on the surface of the second heat exchanger or dropped to the bottom of the second heat exchanger to form condensed water.
  • the condensate formed in this way may be delivered to the condensate tank 80 by the base frame 70a positioned below the second heat exchanger.
  • the condensate tank 80 may be integrally formed with the base frame 70a.
  • the condensate tank 80 is positioned at a lower position than the base frame 70a so that the condensate of the base frame 70a is easily transferred to the condensate tank 80 by gravity.
  • the condensed water of the condensed water tank 80 may be drained to the outside of the main body 10 by the pump 81 or may be supplied to the spray member 100 described later.
  • the pump 81 is provided in the condensate tank 80.
  • the pump 81 is provided to pump condensate in the condensate tank 80.
  • Pump 81 is connected to valve 82.
  • the valve 82 is connected with the pump 81 by the condensate tank connector 84.
  • the valve 82 is connected to the drain pipe 83 and the connecting pipe 84.
  • the drain pipe 83 may be connected to the outside of the main body 10, and the connection pipe 84 may be connected to the injection member 100.
  • the pump 81 may include a controller 88 that controls to adjust the injection speed and the injection amount of the condensate.
  • valve 82 may drain the condensed water of the condensate tank 80 to the outside of the main body 10 through the drain pipe 83 or may supply the injection member 100 through the connecting pipe 84.
  • the filter member 60 may be installed at the front end of the second duct 30 to filter foreign matter such as dust or lint from the hot air discharged from the drum 12.
  • the filter member 60 may be provided recessed in the lower surface of the drum 12.
  • the filter member 60 is provided to prevent foreign substances from flowing into the first duct 20 while the hot dry air supplied into the drum 12 is discharged after passing through the wet laundry.
  • the foreign matter of the air flowing into the second duct 30 is first filtered by the filter member 60, but the foreign matter such as lint that is not filtered by the filter member 60 is transferred to the second heat exchange of the heat pump 70. Inflow to the air side can block the flow path of air.
  • the injection member 100 is provided to clean the foreign matter of the second heat exchanger in order to prevent clogging of the air flow path of the second heat exchanger.
  • the injection member 100 is installed to uniformly inject the condensed water of the condensate tank 80 to the second heat exchanger.
  • the injection member 100 is provided above the second heat exchanger.
  • the injection member 100 may be installed at the air inlet side of the second heat exchanger.
  • FIG. 4 is an exploded perspective view illustrating an injection member coupled to an evaporator according to an embodiment of the present invention
  • FIG. 5 is a cross-sectional view of part AA ′ of FIG. 4
  • FIG. 6 is an injection according to an embodiment of the present invention. It is a bottom view which shows a member
  • FIG. 7 is sectional drawing of the BB 'part of FIG.
  • the injection member 100 includes an inlet 110 provided to allow condensed water to flow, and an injection unit 120 formed to uniformly spray the condensed water introduced through the inlet 110 onto the surface of the second heat exchanger. can do.
  • the injection unit 120 may include a guide surface 130 having a curved surface 133 having a curvature R of at least a portion of the inner surface thereof to guide the condensed water.
  • Injection member 100 may be injection molded.
  • the inlet 110 and the injection unit 120 of the injection member 100 may be integrally injection molded.
  • the inlet 110 is formed of a pipe to which the connection pipe 84 provided for connection with the pump 81 and the valve 82 of the condensate tank 80 is coupled.
  • the inlet 110 includes an inlet 111 through which condensed water is introduced.
  • the injection part 120 includes a guide surface 130.
  • the guide surface 130 may include a guide support surface 131, an upper surface 132, a curved surface 133, an injection surface 134, and both side surfaces 135.
  • the guide support ground 131 may form a rear surface of the injection unit 120, and the inlet 110 may be connected to an upper side of the center of the guide support ground 131.
  • An upper surface 132 is connected to an upper end of the guide ground surface 131.
  • a curved surface 133 having a curvature R may be formed between the upper surface 132 and the spray surface 134.
  • the injection surface 134 is disposed to face the guide supporting surface 131.
  • the guide support surface 131, the top surface 132, the curved surface 133, and the injection surface 134 may be connected by both side surfaces 135 at both ends.
  • the guide support surface 131 and the injection surface 134 may be spaced apart from each other.
  • the spaced distance G between the guide surface 131 and the injection surface 134 may be formed to correspond to the top surface 132.
  • the gap G between the guide supporting surface 131 and the spraying surface 134 forms a discharge port 137 through which the condensed water guided by the guide surface 130 is discharged.
  • the spaced distance G between the guide ground surface 131 and the spray surface 134 may be located to correspond to the upper end of the second heat exchanger.
  • the spaced distance G between the guide support surface 131 and the spray surface 134 may be disposed adjacent to an upper end of the second heat exchanger.
  • the distance between the guide support surface 131 and the injection surface 134 is formed in a shape that narrows toward both sides from the center. That is, the interval between the guide support surface 131 and the injection surface 134 may be formed such that the first interval L1 of the central portion is wider than the second interval L2 of both ends.
  • the injection surface 134 may be formed into a curved surface including a predetermined curvature.
  • the injection surface 134 is preferably formed as a curved surface formed closer to the guide support surface 131 from the center toward both ends.
  • the difference between the first interval L1 and the second interval L2 formed between the guide ground surface 131 and the injection surface 134 is to consider the difference in flow rate of the condensate flowing through the inlet 111. It can be sprayed evenly to the second heat exchanger.
  • the curved surface 133 connecting between the upper surface 132 of the guide surface 130 and the spray surface 134 may have a constant curvature.
  • the guide surface 130 may include a shape that is bent in a first direction A into which condensed water flows and a second direction B perpendicular to the lower side.
  • Guide surface 130 may be formed including a '-' shape.
  • the upper surface 132 of the guide surface 130 is formed with a guide rib 160 for guiding the condensed water supplied through the inlet 110.
  • the guide rib 160 guides the condensate so that the condensed water may be supplied to both ends of the guide surface 130.
  • Guide ribs 160 may be disposed radially from the center toward both sides so that the condensate can be guided from the center to both ends.
  • the guide rib 160 may protrude inside the upper surface 132.
  • a plurality of protrusions 152 and grooves 151 may be formed on the injection surface 134 of the guide surface 130.
  • the plurality of protrusions 152 and the groove 151 are formed to increase the impact force on the surface of the second heat exchanger during the injection of condensate.
  • the plurality of protrusions 152 may be spaced apart at regular intervals.
  • the plurality of grooves 151 may be spaced apart at regular intervals.
  • the plurality of protrusions 152 and the groove 151 may be alternately disposed.
  • the plurality of grooves 151 are formed by the plurality of protrusions 152, but the spirit of the present invention is not limited thereto.
  • the plurality of grooves 151 may be formed by recessing inward in a semicircular shape.
  • the injection member 100 may include a frame 140 provided around the injection unit 120 and a fastening unit 200 provided on the frame 140.
  • Frame 140 may be formed to extend to the lower edge of the injection unit 120.
  • the frame 140 is formed in a rectangular shape.
  • the frame 140 of the injection member 100 is rectangular, but the spirit of the present invention is not limited thereto.
  • the frame may be formed to correspond to the size and shape of the second heat exchanger.
  • the second heat exchanger may include a cooling tube (71a) is provided so that the refrigerant flows, and the cooling fin (71b) installed in the cooling tube (71a).
  • the cooling tube 71a is formed to a predetermined thickness t1 such that a refrigerant for heat exchange flows therein.
  • the second heat exchanger may include a support bracket 71c provided to fix the cooling tube 71a and the cooling fin 71b.
  • the support bracket 71c may be disposed at both ends of the second heat exchanger.
  • the second heat exchanger may be formed of a substantially rectangular parallelepiped.
  • the injection member 100 may be disposed above the second heat exchanger.
  • the injection member 100 may be directly installed in the second heat exchanger.
  • the injection member 100 includes a fastening part 200.
  • the fastening part 200 may include a connection bracket 210, a coupling groove 220 formed in the connection bracket 210, and a fixing protrusion 230 formed in the coupling groove 220.
  • the fastening part 200 may be injection molded integrally with the frame 140 of the injection member 100.
  • connection bracket 210 is formed to protrude downward at both ends of the frame 140.
  • the connection bracket 210 is provided to be directly installed in the cooling tube 71a protruding from both ends of the second heat exchanger.
  • the connection bracket 210 is formed in a plate shape at both ends of the frame 140.
  • Coupling groove 220 is formed in a predetermined length from the bottom of the connecting bracket 210 to the upper side. Coupling groove 220 is formed so that the cooling tube (71a) of the second heat exchanger can be inserted.
  • the coupling groove 220 may be formed at the same interval t2 as the thickness t1 of the cooling tube 71a. Coupling groove 220 is formed so that the cooling tube (71a) is inserted and fixed.
  • the fixing groove 230 is formed in the coupling groove 220 so that the cooling tube 71a is inserted and fixed.
  • the fixing protrusion 230 is formed to protrude in the inner direction of the coupling groove 220 is formed to fix the cooling tube (71a).
  • the interval t3 between the fixing protrusions 230 is preferably smaller than the thickness t1 of the cooling tube 71a.
  • the guide 161 may be formed on the bottom of the frame 140 to support the support bracket 71c of the second heat exchanger.
  • the guide 161 is formed to guide the assembly position when the injection member 100 is installed in the second heat exchanger.
  • the guide 161 can clarify the installation position of the injection member 100 so that the injection position of the condensate can be precise.
  • FIG 8 is a view showing the injection operation of the injection member according to an embodiment of the present invention
  • Figure 9 is a cross-sectional view showing the injection operation of the injection member according to an embodiment of the present invention.
  • the condensed water flowing through the inlet 110 of the injection member 100 is guided through the guide surface 130 of the injection unit 120 to the surface of the second heat exchanger. Sprayed. The condensed water is injected into the air flow path inlet of the second heat exchanger.
  • the condensed water in which foreign substances such as lint are mixed by the condensed water injected into the air flow path inlet of the second heat exchanger is recovered to the condensed water tank 80 through the base frame 70a.
  • the condensate mixed with foreign substances such as lint of the condensate tank 80 is stored in the condensate tank 80 together with the general condensate, and then the outside of the main body 10 through the drain pipe 83 by the pump 81 and the valve 82. Can be drained to.
  • FIGS. 10 is a perspective view showing a spray member according to another embodiment of the present invention
  • Figure 11 is an exploded perspective view showing a spray member and a duct cover according to another embodiment of the present invention
  • Figure 12 is another embodiment of the present invention
  • Figure is a view showing the flow of condensate by the injection member and the flow of air by the duct cover. Reference numerals not shown refer to FIGS. 1 to 9.
  • the injection member 100A may be installed in the duct cover 300 of the second heat exchanger.
  • the second heat exchanger is installed in the base frame 70a.
  • the second heat exchanger is provided in the second duct 30 to heat exchange the low temperature and humid air inside the drum 12.
  • the second heat exchanger may include a duct cover 300 to guide the discharge to the outside of the main body 10.
  • the duct cover 300 is formed to surround the second heat exchanger and is in communication with the second duct 30 to be in communication with the outlet 31 of the main body 10.
  • the duct cover 300 is combined with the first duct cover 310 and the first duct cover 310 provided to cover the upper side of the second heat exchanger, and the base frame 70a provided to cover the lower side of the second heat exchanger. ) May be included.
  • the second heat exchanger is installed on the base frame, for example, but the base frame is formed to surround the lower side of the second heat exchanger, but the spirit of the present invention is not limited thereto.
  • it may include a separate second duct cover provided to surround the lower side of the second heat exchanger.
  • a support rib 311 may be formed on an upper surface of the first duct cover 310 to support a lower portion of the drum 12.
  • the duct cover 300 is provided to surround the main surface of the second heat exchanger to form a flow path (S) of air passing through the second heat exchanger.
  • An upper surface of the first duct cover 310 may be provided with a mounting hole 330 for installing the injection member (100A) at a position corresponding to the air inlet side of the second heat exchanger.
  • the installation tool 330 is preferably formed in a size corresponding to the width of the second heat exchanger.
  • a support surface 331 may be formed at the edge of the installation hole 330 of the first duct cover 310 to support the injection member 100A.
  • the injection member 100A has a connection part 110A, an injection part 120A having a guide surface 130 on which condensate flowing through the connection part 110A is guided, and a frame formed at an edge of the injection part 120A ( 140A).
  • a support 141A is formed on the bottom of the frame 140A, and may be coupled to the support surface 331 of the first duct cover 310.
  • the injection member (100A) is provided with a fastening portion (400A) for coupling to the first duct cover (310).
  • the fastening part 400A includes a fastening hole 410A integrally formed in the frame 140A of the injection member 100A, and a fastening protrusion 420A formed in the first duct cover 310 to correspond to the fastening hole 410A. ) May be included.
  • the fastening part 400A of the present invention is the fastening protrusion 420A and the fastening hole 410A, the spirit of the present invention is not limited thereto.
  • the fastening part may include a structure capable of coupling the injection member 100A to the first duct cover 310 such as a hook.
  • the injection member is coupled to the first duct cover 310 by the fastening portion 400A, but the spirit of the present invention is not limited thereto.
  • the injection member may be injection molded integrally with the duct cover.
  • FIGS. 13 is a perspective view showing an injection member according to another embodiment of the present invention
  • Figures 14 to 15 is a view showing the condensate injection operation by the injection member according to another embodiment of the present invention. Reference numerals not shown refer to FIGS. 1 through 12.
  • the injection member 100B is installed to be movable in the duct cover 300B.
  • the injection member 100B is rotatably installed at the upper end of the second heat exchanger.
  • the injection member 100B is disposed at the air inlet side of the second heat exchanger.
  • the injection member 100B may include an injection part 120B including an inflow part 110B through which condensed water is introduced and a guide surface 130B guiding the introduced condensate.
  • the inlet 110B is formed of a pipe to which a connection pipe 84 provided for connection with the pump 81 and the valve 82 of the condensate tank 80 is coupled.
  • the injection part 120B includes the guide surface 130B.
  • the guide surface 130B may include a guide support surface 131B, an upper surface 132B, a curved surface 133B, an injection surface 134B, and both side surfaces 135B.
  • the guide supporting surface 131B may form a rear surface of the injection unit 120B, and a moving slot 136B is formed at the upper side of the center of the guide supporting ground 131B to connect the inlet 110.
  • the movement slot 136B is formed in the vertical direction to prevent the interference of the inflow portion 110B during the rotation of the injection portion 120B.
  • the injection part 120B is rotatably coupled to the duct cover 300B by the hinge member 500B.
  • Hinge member 500B is provided in the both ends of the installation opening 330B of the duct cover 300B.
  • the hinge member 500B includes a hinge bracket 510B and a rotation shaft 511B formed at the injection part 120B to be coupled to the hinge bracket 510B.
  • the rotating shaft 511B may be formed on both side surfaces 135B of the injection unit 120B, respectively.
  • the injection part 120B may be rotatably coupled to the duct cover 300B by the hinge member 500B.
  • the injection portion 120B is rotated by the hinge member 500B, but the spirit of the present invention is not limited thereto.
  • the injection part 120B may be formed to be slidably moved back, front, left, and right on the duct cover 300B.
  • the injection unit 120B when a small amount of condensed water is supplied through the inlet 110B, the injection unit 120B is not rotated and is sprayed by the curved surface 133B of the guide surface 130B so as to supply the second heat exchanger. Condensed water may be injected to the upper first position (P1) of the.
  • the condensed water may be injected to various portions selectively between the upper side and the lower side of the second heat exchanger by the rotation of the injection unit 120B. That is, the condensed water can be evenly distributed on the surface of the heat exchanger, thereby improving the washing efficiency of the heat exchanger.
  • the rotation angle of the injection unit 120B can be adjusted by adjusting the condensate water pressure through the control of the pump (81).
  • the rotation angle of the injection unit 120B may be controlled by a driving force by installing a separate motor (not shown).
  • 16 to 17 is a view showing the condensed water injection operation by the injection member according to another embodiment of the present invention. Reference numerals not shown refer to FIGS. 13 to 15.
  • the injection member (100C) is installed to be movable in the duct cover (300C).
  • the injection member 100C is rotatably installed at the upper end of the second heat exchanger.
  • the injection member 100C is disposed at the air inlet side of the second heat exchanger.
  • the injection member 100C may include an inlet 110C through which condensed water is introduced and an injector 120C including a guide surface 130C for guiding the condensed water.
  • the injection part 120C includes the guide surface 130C.
  • the guide surface 130C may include a guide support surface 131C, an upper surface 132C, a curved surface 133C, an injection surface 134C, and both side surfaces 135C.
  • the guide support ground 131C may form a rear surface of the injection unit 120C, and a moving slot 136C is formed at the upper side of the center of the guide support ground 131C to connect the inlet 110C.
  • the moving slot 13C is formed in the vertical direction to prevent the inlet 110C from interfering with the rotation of the injection unit 120C.
  • the injection part 120C is rotatably coupled to the duct cover 300C by the hinge member 500B.
  • Hinge member 500B is provided in the both ends of the installation opening 330C of the duct cover 300C.
  • the hinge member 500B includes a hinge bracket 510B and a rotation shaft 511B formed at the injection part 120B to be coupled to the hinge bracket 510B.
  • the rotating shaft 511B may be formed on both side surfaces 135B of the injection unit 120C, respectively.
  • the injection part 120C may be rotatably coupled to the duct cover 300C by the hinge member 500B.
  • the injection unit 120C may further include an elastic member 500C.
  • the injection unit 120C may include an elastic member 500C that presses the injection unit 120C in a direction opposite to the first direction A, which is an inflow direction of the condensate.
  • the injection part 120C of the state rotated by the elastic member 500C is supplied with a small amount of condensate through the inlet part 110C, the injection part 120C does not rotate by the force of the elastic member 500C.
  • the condensed water may be injected by the curved surface 133C of the surface 130C to the upper first position P1 of the second heat exchanger.
  • the condensed water can be sprayed selectively to various sites among the upper side and the lower side of the second heat exchanger by the rotation of the injection unit 120C. That is, the condensed water can be evenly distributed on the surface of the heat exchanger, thereby improving the washing efficiency of the heat exchanger.
  • FIGS. 13 to 15 is a view showing the condensed water injection operation by the injection member according to another embodiment of the present invention. Reference numerals not shown refer to FIGS. 13 to 15.
  • the injection member 100D is installed to be movable in the duct cover 300D.
  • the injection member 100D is rotatably installed at the upper end of the second heat exchanger.
  • the injection member 100D is disposed at the air inlet side of the second heat exchanger.
  • the injection member 100D may include an inlet 110D through which condensed water is introduced and an injector 120D including a guide surface 130D for guiding the condensed water.
  • the injection part 120D includes a guide surface 130D.
  • the guide surface 130D may include a guide support surface 131D, an upper surface 132D, a curved surface 133D, an injection surface 134D, and both side surfaces 135D.
  • the guide support surface 131D may form a rear surface of the injection unit 120D, and a moving slot 136D is formed at an upper side of the center of the guide support ground 131D so that the inlet 110D is connected to the guide support ground 131D.
  • the movement slot 136D is formed in the vertical direction to prevent the inflow portion 110D from interfering with the rotation of the injection portion 120D.
  • the injection unit 120D is rotatably coupled to the duct cover 300D by the hinge member 500B.
  • Hinge member 500B is provided in the both ends of the installation opening 330D of the duct cover 300D.
  • the hinge member 500B includes a hinge bracket 510B and a rotation shaft 511B formed at the injection part 120B to be coupled to the hinge bracket 510B.
  • the rotating shaft 511B may be formed on both side surfaces 135D of the injection unit 120D, respectively.
  • the injection part 120C may be rotatably coupled to the duct cover 300C by the hinge member 500B.
  • the injection unit 120D rotating around the rotation shaft 511B of the hinge member 500B guides the condensed water in a state of being rotated by its own weight.
  • the injection unit 120D when a small amount of condensate flows in, the injection unit 120D is not rotated, and the condensate is guided by the curved surface 133D of the guide surface 130D of the injection unit 120D, so that the upper first position ( It is provided to be sprayed on P1).
  • the injection unit 120D rotates about the rotation shaft 511B.
  • the rotated injection unit 120D guides the condensed water through the injection surface 134D of the guide surface 130D so that the condensed water is injected to the lower second position P2 of the second heat exchanger.
  • the injection unit 120D may further include a stopper 500D for limiting rotation.
  • the stopper 500D includes a first stopper 501D disposed above the injection part 120D so as to support a position that does not rotate due to the weight of the injection part 120D, and the injection part 120D rotates due to the water pressure of the condensate. It may include a second stopper (502D) disposed below the injection portion 120D to limit the rotation when.
  • the water pressure of the condensed water for controlling the rotation of the injection unit 120D may be controlled through the on / off of the pump 81.
  • the condensed water may be evenly distributed in various parts of the upper side and the lower side of the second heat exchanger, thereby improving the washing efficiency of the heat exchanger.

Landscapes

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

Abstract

L'invention concerne un sèche-linge dont l'échangeur de chaleur présente une structure de nettoyage améliorée. Le sèche-linge comprend : un corps principal ; un tambour monté de manière rotative dans le corps principal ; une pompe à chaleur comprenant un évaporateur, un compresseur, un condenseur et un détendeur, de façon à fournir de l'air sec à haute température dans le tambour ; un réservoir d'eau de condensat pour recevoir l'eau de condensat ayant été générée dans la pompe à chaleur ; et un élément de pulvérisation conçu pour pulvériser l'eau de condensat du réservoir d'eau de condensat au niveau de l'évaporateur, l'élément de pulvérisation comprenant : une partie d'entrée d'écoulement, à travers laquelle l'eau de condensat s'écoule ; et une partie de pulvérisation ayant un plan de guidage conçu pour pulvériser uniformément, au niveau de la surface de l'évaporateur, l'eau de condensat s'écoulant à travers la partie d'entrée d'écoulement, et le plan de guidage possédant une surface incurvée, doté d'une courbure fixe, sur au moins une partie de la surface interne de ce dernier.
PCT/KR2016/009688 2015-09-03 2016-08-31 Sèche-linge Ceased WO2017039298A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680051276.XA CN107923115A (zh) 2015-09-03 2016-08-31 干衣机
EP16842264.0A EP3309291B1 (fr) 2015-09-03 2016-08-31 Sèche-linge
US15/757,637 US20190024299A1 (en) 2015-09-03 2016-08-31 Clothes dryer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150124812A KR20170028037A (ko) 2015-09-03 2015-09-03 의류건조기
KR10-2015-0124812 2015-09-03

Publications (1)

Publication Number Publication Date
WO2017039298A1 true WO2017039298A1 (fr) 2017-03-09

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Application Number Title Priority Date Filing Date
PCT/KR2016/009688 Ceased WO2017039298A1 (fr) 2015-09-03 2016-08-31 Sèche-linge

Country Status (5)

Country Link
US (1) US20190024299A1 (fr)
EP (1) EP3309291B1 (fr)
KR (1) KR20170028037A (fr)
CN (1) CN107923115A (fr)
WO (1) WO2017039298A1 (fr)

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DE102017209839A1 (de) * 2017-06-12 2018-12-13 BSH Hausgeräte GmbH Bodengruppe einer Wäschebehandlungsvorrichtung sowie Haushaltsgerät mit einer Bodengruppe
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EP4407091A1 (fr) * 2023-01-25 2024-07-31 Whirlpool Corporation Système de nettoyage d'échangeur de chaleur pour appareil de blanchisserie

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KR102848913B1 (ko) * 2020-02-21 2025-08-21 엘지전자 주식회사 의류처리장치
KR102519916B1 (ko) * 2020-02-21 2023-04-10 엘지전자 주식회사 의류처리장치
KR102836925B1 (ko) * 2020-03-04 2025-07-22 엘지전자 주식회사 세탁물 건조기 및 세탁물 건조기의 제어방법
KR102805587B1 (ko) * 2020-03-09 2025-05-14 엘지전자 주식회사 의류처리장치 및 그 제어방법
KR102841288B1 (ko) * 2020-07-29 2025-08-04 엘지전자 주식회사 의류처리장치
KR102834307B1 (ko) * 2020-07-29 2025-07-16 엘지전자 주식회사 의류처리장치
KR20220114269A (ko) * 2021-02-08 2022-08-17 엘지전자 주식회사 의류처리장치
KR20220114284A (ko) * 2021-02-08 2022-08-17 엘지전자 주식회사 의류처리장치
CN113005709B (zh) * 2021-02-23 2023-01-06 海信冰箱有限公司 洗衣机的衣物称重方法、装置、计算机可读介质和洗衣机
JP7569287B2 (ja) * 2021-07-29 2024-10-17 東芝ライフスタイル株式会社 衣類乾燥機
JP7561707B2 (ja) * 2021-07-29 2024-10-04 東芝ライフスタイル株式会社 衣類乾燥機
CN116065366B (zh) * 2021-10-29 2025-11-25 青岛海尔洗涤电器有限公司 一种热泵干衣机
CN114737373B (zh) * 2022-04-29 2023-03-28 珠海格力电器股份有限公司 内筒组件、干衣设备及其控制方法
EP4575075A1 (fr) * 2023-12-20 2025-06-25 BSH Hausgeräte GmbH Dispositif de séchage de linge comprenant un diffuseur de fluide disposé au-dessus d'un évaporateur dans le canal d'air de séchage
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US10273627B2 (en) * 2016-01-05 2019-04-30 Lg Electronics Inc. Clothes treating apparatus
DE102017209839A1 (de) * 2017-06-12 2018-12-13 BSH Hausgeräte GmbH Bodengruppe einer Wäschebehandlungsvorrichtung sowie Haushaltsgerät mit einer Bodengruppe
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WO2024019241A1 (fr) * 2022-07-18 2024-01-25 Lg Electronics Inc. Appareil de traitement de linge et son procédé de commande
EP4407091A1 (fr) * 2023-01-25 2024-07-31 Whirlpool Corporation Système de nettoyage d'échangeur de chaleur pour appareil de blanchisserie
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Also Published As

Publication number Publication date
KR20170028037A (ko) 2017-03-13
US20190024299A1 (en) 2019-01-24
EP3309291A1 (fr) 2018-04-18
EP3309291A4 (fr) 2018-07-11
EP3309291B1 (fr) 2019-04-10
CN107923115A (zh) 2018-04-17

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