WO2022068369A1 - Sèche-linge - Google Patents

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Publication number
WO2022068369A1
WO2022068369A1 PCT/CN2021/109716 CN2021109716W WO2022068369A1 WO 2022068369 A1 WO2022068369 A1 WO 2022068369A1 CN 2021109716 W CN2021109716 W CN 2021109716W WO 2022068369 A1 WO2022068369 A1 WO 2022068369A1
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WO
WIPO (PCT)
Prior art keywords
drum
clothes dryer
air
clothes
drying
Prior art date
Application number
PCT/CN2021/109716
Other languages
English (en)
Chinese (zh)
Inventor
刘海涛
李以民
金学峰
许升
Original Assignee
青岛海尔智能技术研发有限公司
海尔智家股份有限公司
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 青岛海尔智能技术研发有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔智能技术研发有限公司
Publication of WO2022068369A1 publication Critical patent/WO2022068369A1/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
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • 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
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • 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
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D06F58/08—Driving 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 
    • 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
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment

Definitions

  • the present invention relates to the technical field of clothing treatment, in particular to a clothes dryer.
  • the function of the clothes dryer is to make the high temperature air flow through the clothes that need to be dried, take away the moisture in the clothes, and make the clothes dry quickly.
  • the clothes dryer includes a casing, a drum and a support, wherein the drum and the support are arranged in the casing, and the drum is arranged horizontally.
  • Manufacturers continue to improve the design of its appearance and internal structure, trying to add various functions to meet the needs of the market.
  • users have to bend down and squat down to take and put clothes, which is somewhat laborious and inconvenient to operate.
  • the present invention aims to overcome at least one defect of the existing clothes dryer, and provides a novel clothes dryer, so as to at least solve the user's pain point that the existing clothes need to be bent over to pick and place.
  • the present invention provides a clothes dryer comprising a housing and a drum provided in the housing, the drum being used to provide a storage space for clothes, wherein,
  • the peripheral wall of the drum is provided with an openable and closable clothing take-and-place port;
  • the drum is arranged to have a retracted state retracted into the housing and an extended state at least partially outside the housing, and in the extended state a portion of the laundry access opening or all on the outside of the housing.
  • the drum is arranged to allow rotation of the drum about its axis of rotation in the retracted state.
  • the drum is arranged to allow its translational movement in a predetermined direction to switch between its retracted and extended states.
  • the drum is manually moved to perform the translational movement, or the drum is driven to perform the translational movement by a driving structure having a prime mover.
  • the clothes dryer further includes a first frame, the first frame is movably installed in the housing through a sliding track structure, and the drum is rotatably installed on the first frame; or,
  • the clothes dryer further includes a second frame, the second frame is rotatably installed in the housing, and the peripheral wall of the drum is movably installed on the second frame through the sliding track structure.
  • the drum extends in the front-rear direction, and is slidably disposed in the housing along the front-rear direction; a drum end cover is provided at the front end of the drum, and the drum is rotatable relative to the drum end cover A pick-and-place door for opening and closing the clothing pick-and-place port is provided at the clothes pick-and-place port.
  • the driving structure is an automatic extension device, comprising a gear, a rack and a power part, the gear is connected to the power part, the gear meshes with the rack, and the power part and the power part are connected to the power part.
  • One of the racks is installed in the housing, and the other is connected to the drum.
  • the clothes dryer further includes:
  • a main drying system configured to allow a drying airflow to enter the drum from one end of the drum
  • the auxiliary drying system is arranged on the outside of the other end of the drum, and the auxiliary drying system is configured to inhale the air flow from the other end of the drum, heat the air flow, and make the heated air flow.
  • the airflow enters the drum from the other end of the drum.
  • the other end of the drum is provided with a cylinder end cover
  • the cylinder end cover is provided with an annular structure coaxial with the drum, the inner peripheral wall of the annular structure or the end surface facing the interior of the drum.
  • a plurality of air outlet holes are arranged on the upper part, and each of the air outlet holes extends along the circumferential direction of the drum and communicates with the inner space of the drum to discharge the drying airflow to the outside of the drum; the auxiliary drying A dry system is provided within the cartridge end cap.
  • the thermal circulation system includes a hot air hood, a condensing part, a heating part, a main fan, an air duct system and an auxiliary condensing device;
  • the end cover of the one end of the drum is provided with a plurality of ventilation holes to transport hot air into the drum; the hot air cover is rotatably arranged outside the one end of the drum, and the hot air cover is connected to the drum.
  • the rollers are arranged coaxially;
  • the air duct system is configured to guide the drying airflow, so that the drying airflow flows out from the other end of the drum under the action of the main fan, and then flows through the condensation part, the heating part and the hot air hood, and then circulate into the drum through the ventilation hole;
  • the auxiliary condensing device is arranged on the condensing part and is used for cooling the condensing part.
  • the clothes dryer of the present invention because there is a drum that can be extended or retracted, when the drum is extended, the clothes can be taken and placed, and the drying operation can be performed after the drum is retracted, which can solve the pain point that the user can only take and place by bending over. It is very convenient for users to pick up and place clothes. Further, after the drum is retracted into the casing, the rotation of the drum is not affected, and the drying efficiency is improved by the rotation.
  • auxiliary heating and auxiliary condensation devices are arranged to accelerate water evaporation, improve steam condensation efficiency, shorten drying time, and improve drying efficiency. High degree of intelligence.
  • an openable and closable clothes access port is provided on the peripheral wall of the drum, which is located in the casing when drying clothes, and the high temperature used for drying clothes can sterilize the clothes access port. Prevent secondary pollution when clothes are taken out.
  • FIG. 1 is a schematic block diagram of a clothes dryer according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a clothes dryer according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a clothes dryer according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of the drum of the clothes dryer shown in FIG. 1 in an extended state
  • FIG. 5 is a schematic front view of a clothes dryer according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a clothes dryer according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a clothes dryer according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of the drum of the clothes dryer shown in FIG. 7 in an extended state
  • FIG. 9 is a schematic structural diagram of an auxiliary drying system in a clothes dryer according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a first connection structure in a clothes dryer according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a second connection structure in a clothes dryer according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a second connection structure in a clothes dryer according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a condensation part and an auxiliary condensation device in a clothes dryer according to an embodiment of the present invention
  • FIG. 15 is a schematic structural diagram of a clothes dryer according to an embodiment of the present invention.
  • 16 is a schematic structural diagram of a clothes dryer according to an embodiment of the present invention.
  • FIG. 1 is a schematic block diagram of a clothes dryer 1 according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a clothes dryer 1 according to an embodiment of the present invention.
  • an embodiment of the present invention provides a clothes dryer 1 .
  • the clothes dryer 1 includes a casing 20 , a drum 21 and a stand, wherein the drum 21 and the stand are provided in the casing 20 .
  • the casing 20 is an outer shell of the dryer 1 for protecting and accommodating the internal components of the dryer 1, and in addition, the appearance of the dryer 1 can be beautiful.
  • a display device and a control device can also be provided on the housing 20, and the display device can be a display screen, an indicator light, etc., used to display the working state of the clothes dryer 1; The user operates or sets the dryer 1 .
  • the stand may be used to support the housing 20, install the drum 21 and the main drying system 40 of the clothes dryer 1, and the like.
  • the drum 21 is arranged horizontally and is used for receiving and drying laundry, that is, the drum 21 is used to provide a storage space for the laundry.
  • the drum 21 is arranged to have a retracted state retracted into the housing 20, and an extended state at least partially located outside the housing 20, and in the extended state, part or all of the laundry access opening 22 is located in the housing
  • the clothes dryer 1 has a drum 21 that can be extended or retracted.
  • the drum 21 When the drum 21 is extended, clothes can be taken and placed, and the drum 21 can be retracted to perform the drying operation, which can solve the problem that the user can only take the clothes by bending over. It is very convenient for users to take and place clothes.
  • the drum 21 may be manually moved to perform translational movement, or as shown in FIG. 5 , the drum 21 may be driven to perform translational movement by a driving structure 31 having a prime mover.
  • the barrel end cover 24 may be provided with a handle for pulling and pulling the drum 21, so that the translational movement of the drum 21 is achieved by manual pushing and pulling.
  • the driving structure 31 is an automatic extension device, so as to urge the drum 21 to perform translation, for example, to urge the drum 21 to extend forward.
  • the rack extends in the front-rear direction and is mounted on the support
  • the power part is mounted on the first frame 25
  • the gear is mounted on the output shaft of the power part and meshes with the rack, so that when the power part drives the gear to rotate, the gear rotates along the
  • the rack moves forward or backward, thereby extending or retracting the drum 21 from the housing 20 .
  • the power part may be a motor.
  • the direct drive motor is directly connected to the drum 21, which has the advantages of high transmission efficiency, low vibration and noise, etc., and can solve the shortcomings of the traditional clothes dryer 1, such as low efficiency and high noise.
  • the power device 30 that drives the rotation of the drum 21 is arranged to extend or retract synchronously with the drum, so as to ensure the reliability of power transmission and to make the structure simple and compact.
  • the belt transmission device includes a driving pulley, a driven pulley and a belt, the driving pulley is installed on the output shaft of the motor, the driven pulley is coaxially arranged with the drum 21, and the belt is arranged on the driving pulley and the driven pulley.
  • the belt transmission device includes a driving pulley, an intermediate pulley, a driven pulley and two belts
  • the driving pulley is mounted on the output shaft of the motor
  • the driven pulley is coaxially arranged with the drum 21,
  • One belt is set on the driving pulley and the intermediate pulley
  • the other belt is set on the intermediate pulley and the driven pulley.
  • the direct drive motor can also be mounted on the housing and connected to the drum through a clutch structure.
  • the limit lock 27 When the drum 21 is extended, the limit lock 27 obtains a signal to extend the lock tongue, and the lock tongue acts on the pick-and-place door 23 to limit the outward movement of the pick-and-place door 23, so that the laundry can be opened while the drum 21 is extended. mouth 22. After the drum 21 is retracted into the housing 20 , or when the drum 21 is ready to rotate, the limit lock 27 receives a signal to retract the latch to release the restriction on the movement of the pick-and-place door 23 , and the pick-and-place door 23 rotates with the drum 21 .
  • the outer surface of the pick and place door body 23 is provided with a lock tongue insertion groove 28 for the lock tongue to be inserted, and the lock tongue can be inserted into the lock tongue insertion groove 28 to restrict the movement of the pick and place door body 23 .
  • the opening form of the roller door can be changed, for example, the pick-and-place door body 23 can be rotatably installed on the roller 21 around an axis extending back and forth. Further, the pick-and-place door body 23 can include left and right Set of two halves.
  • the main drying system 40 of the clothes dryer 1 is configured to allow the drying airflow to enter the drum 21 from one end of the drum 21 , preferably, the drying airflow from the drum 21 The rear end enters the drum 21.
  • the main drying system 40 is a thermal circulation system, and the thermal circulation system is configured so that the drying airflow flows out from the front end of the drum 21 , is condensed and then heated, and then circulates into the drum 21 from the rear end of the drum 21 .
  • the thermal circulation system may include a hot air hood 41 , a condensation part 42 , a heating part 43 , a main fan 44 and an air duct system 11 .
  • the hot air cover 41 is rotatably disposed at the rear end of the drum 21 , and a plurality of ventilation holes are provided on the rear end cover of the drum 21 to transport hot air into the drum 21 .
  • the hot air hood 41 is arranged coaxially with the drum 21 .
  • the rear end of the drum 21 is not provided with an end cover, and is directly blocked by the hot air cover 41 to prevent the laundry from coming out from the rear end of the drum 21 .
  • the air duct system 11 is configured to guide the drying airflow, so that the drying airflow flows out from the front end of the drum 21 under the action of the main fan 44, flows through the condensing part 42, the heating part 43 and enters the hot air hood 41 in turn, and then flows out from the front end of the drum 21.
  • the rear end circulates into the drum 21 .
  • the thermal circulation system is used to dry the laundry in the drum 21 .
  • the air inlet of the air duct system 11 may communicate with the lower side or the peripheral side of the front end of the drum 21 .
  • the air inlet of the air duct system 11 can communicate with the peripheral side of the front end of the drum 21, and is an annular air outlet structure of the drum.
  • the front end of the drum 21 flows out of the drum 21 through the annular air outlet structure.
  • the annular air outlet structure includes a plurality of air outlet portions, and the plurality of air outlet portions are evenly distributed along the circumferential direction of the drum 21 .
  • the cylinder end cover 24 is provided with an annular structure 241 that is coaxial with the drum 21 .
  • the inner peripheral wall or the rear end surface of the annular structure 241 is evenly provided with the above-mentioned multiple air outlet parts, and each air outlet part includes an air outlet hole 242 or more.
  • each air outlet hole 242 can extend along the circumferential direction of the drum 21, and is connected with the drum 21.
  • Internal space connectivity In some optional embodiments, the annular air outlet structure is an air outlet ring coaxial with the drum 21 , that is to say, a plurality of air outlet portions of the annular air outlet structure are connected together in sequence.
  • An observation window may be provided on the cylinder end cover 24, and the annular air outlet structure may be located at the periphery of the observation window.
  • only the lower part of the inner peripheral wall of the annular structure 241 or the lower part of the rear end surface is provided with an air outlet hole 242 to flow out the drying airflow from the lower part of the front end of the drum 21 .
  • annular air duct is provided in the annular structure 241 , and the outlet of the annular air duct is connected to the air inlet of the air duct system 11 .
  • the plurality of air outlet portions are provided on the inner peripheral wall of the annular structure 241
  • a guide ring 243 is provided on the rear end surface of the annular structure 241
  • the guiding ring 243 and the inner peripheral wall of the annular structure 241 are on the same cylindrical surface.
  • the main fan 44 may include fan blades.
  • the fan blade can be installed on the above-mentioned driving device 32, or the fan blade can be connected to the above-mentioned driving device 32 through the transmission device 33, that is to say, the rotation of the fan blade and the rotation of the drum 21 can use a driving device 32, and the driving device 32 can be motor.
  • the annular air outlet structure can change the air flow field of the drying airflow in the drum 21, make the drying temperature in the drum 21 reasonably distributed as much as possible, realize uniform and rapid heating as much as possible, improve the drying efficiency, and have strong practicability.
  • the axis of the air outlet hole 242 is perpendicular to the axis of the drum 21, which can reasonably arrange the air flow field of the drying airflow in the drum.
  • the axis of the air outlet hole 242 and the axis of the drum 21 may also be set to intersect at other angles. That is to say, the axis of each area of the annular air outlet structure for air outlet is arranged to intersect with the axis of the drum 21 .
  • the clothes dryer 1 further includes an auxiliary drying system 50 .
  • the auxiliary drying system 50 can be disposed outside the other end of the drum 21 , for example, in the front side of the drum 21 , such as in the drum end cover 24 .
  • the cylinder end cover 24 is a structure used to block the front opening of the drum 21 , that is to say, the structure or structure combination of the front end of the drum 21 constitutes the cylinder end cover 24 , and the rear side of the rear wall of the drum end cover 24 is the drum 21 . interior space.
  • the auxiliary drying system 50 may include an auxiliary fan 51 and a heating device 52, an air inlet structure and an air outlet structure are provided on the rear wall of the cylinder end cover 24, and the auxiliary fan 51 is configured to promote the gas in the drum 21 to enter the cylinder through the air inlet structure. Inside the end cover 24, after exchanging heat with the heating device 52, it enters the drum 21 again from the air outlet structure.
  • the hot air flow from the auxiliary fan 51 from the air outlet structure and the drying air flow from the rear of the main fan 44 work together to form a turbulent flow in the front of the drum 21, which increases the temperature of the clothes in the front of the drum 21, and makes the front and rear of the drum 21. Form a uniform drying temperature to improve drying efficiency.
  • the auxiliary heating device 52 is provided to speed up the evaporation of moisture in the clothes.
  • the ordinary clothes dryer 1 is generally provided with a heater and a fan at the rear of the clothes dryer 1, the hot air flows from the back to the front in the drum 21, causing the temperature at the rear of the drum 21 to be significantly higher than the temperature at the front, and the temperature difference is large, so The laundry at the front of the drum 21 is slow to dry, and the drying efficiency is very low.
  • the auxiliary drying device on the cylinder end cover 24, the drying temperature of the front part of the drum 21 can be increased, so the drying efficiency can be significantly improved.
  • a drying structure is provided on the cylinder end cover 24 .
  • the auxiliary drying system 50 preferably makes the air flow from one end of the drum 21 to the other end to flow out of the drum 21 .
  • One end flows into the drum 21 .
  • the auxiliary drying system 50 makes the air flow in the drum 21 move forward out of the drum 21 , and after being heated by the auxiliary drying system 50 , makes the air flow backward into the drum 21 .
  • the auxiliary drying system 50 may be located inside the annular air outlet structure.
  • the air inlet structure may include a plurality of air inlet holes, and further, the plurality of air inlet holes may be arranged on a cover plate, and the cover plate is the air inlet cover 53 , the air inlet cover 53 can be installed on the air inlet through hole opened on the rear wall of the cylinder end cover 24 .
  • the air outlet structure is a first air outlet structure, and the first air outlet structure includes a plurality of air outlet holes. Further, a plurality of air outlet holes can also be arranged on a cover plate, the cover plate is an air outlet cover 54 , and the air outlet cover 24 can be installed on the air outlet through holes opened on the rear wall of the cylinder end cover 24 .
  • the air inlet structure can be arranged at the central position of the rear wall of the cylinder end cover 24, and the air outlet structure is arranged above the air inlet structure, which can make the temperature drying air distribution in the drum 21 more uniform and improve the drying effect.
  • the air outlet structure is disposed on the periphery of the air inlet structure, so as to provide airflow into the drum from multiple positions on the periphery of the air inlet structure.
  • the air outlet structure is a second air outlet structure, and the second air outlet structure includes a plurality of air outlets, each air outlet can be an arc-shaped outlet, and the plurality of air outlets are evenly distributed on the cylinder end cover along the circumferential direction of the drum 21 24 on the rear wall.
  • the heating device 52 can be in the form of an annular structure and is arranged coaxially with the drum 21 to improve the heating effect.
  • the air outlet structure includes both a first air outlet structure and a second air outlet structure.
  • the first air outlet structure may be a circular air outlet structure
  • the second air outlet structure may be an annular air outlet structure, that is, the air outlet structure may be a circular air outlet structure or an annular air outlet structure.
  • a lint filter 45 is provided on the air duct system 11 for filtering lint.
  • the part of the air duct system 11 is arranged on the barrel end cover 24, the part of the air duct system 11 arranged on the barrel end cover 24 can be referred to as the first part, then the part of the air duct system 11 arranged in the housing 20 can be called the second part.
  • the lint filter 45 is arranged on the first part of the air duct system 11 , that is, the lint filter 45 is also arranged on the cylinder end cover 24 .
  • the lint filter 45 is disposed on the cylinder end cover 24 to facilitate cleaning of impurities in the lint filter 45 .
  • a first part of the air outlet and the second part of the air inlet can be provided with a first A connection structure.
  • a second connection structure can be provided between the hot air cover 41 and the air outlet of the second part, so as to realize the automatic disconnection of the drying air duct when the drum 21 is extended and the automatic connection when the drum 21 is retracted. That is, both the first connection structure and the second connection structure are configured to allow the drum 21 to move forward so that the drum 21 is in an extended state, and when the drum 21 is in a retracted state, the drying air duct is communicated.
  • the outer wall surface of the plug tube 47 is in a tapered shape that matches the inner wall surface of the plug tube 48 and is gradually reduced toward the plug tube 48 .
  • the plug tube 47 and the plug tube 48 are disengaged, and when the drum 21 is retracted, the plug tube 47 is directly inserted into the plug tube 48 .
  • the plug tube 48 is provided with a blocking surface that prevents the plug tube 47 from continuing to be inserted inward.
  • the condensation part 42 can be arranged in the casing 20 and below the drum 21 , and the condensation part 42 is used to reduce the temperature of the drying airflow, to condense at least part of the moisture in the drying airflow.
  • the condensation part 42 may include a drying airflow channel 423 and an air channel, and the air channel and the drying airflow channel 423 can perform heat exchange, so that the lower temperature air cools the higher temperature drying airflow.
  • the condensation part 42 includes a plurality of air duct pipes 421 arranged in parallel and a plurality of fins mounted on the air duct pipes 421 .
  • the air duct 421 extends in the horizontal direction, and inside the air duct 421 is a drying airflow channel 423 .
  • the intervals between the air duct pipes 421 may be air passages.
  • the thermal circulation system of the clothes dryer 1 further includes a condensing fan 422 , which is used to promote the air to enter from one end of the air passage and flow out from the other end of the air passage, to prevent the air in the drying airflow passage 423 of the air duct 421 . Drying airflow to cool down.
  • the drying airflow channel 423 of the air duct 421 may extend in the front-rear direction, and the air channel may extend in the left-right direction.
  • the thermal cycle system of the clothes dryer 1 further includes an auxiliary condensation device 46 , which can be arranged on the condensation part 42 to cool the condensation part 42 , that is, to dissipate heat from the condensation part 42 .
  • the auxiliary condensing device 46 includes a liquid cooling pipeline 461 , a liquid cooling tank 462 , a liquid cooling fan 463 , a liquid cooling pump 464 , and liquid cooling fins 465 .
  • the liquid cooling pipeline 461 is arranged on the condensation part 42 , for example, it can be arranged on the upper surface of the condensation part 42 , and specifically, it can be arranged on the upper surface of the uppermost air duct pipe 421 .
  • the liquid cooling fins 465 are integrally provided with the liquid cooling pipeline 461 , and the condensing fan 422 radiates heat to the liquid cooling pipeline 461 while dissipating heat to the condensing part 42 .
  • the liquid cooling box 462 is provided with a liquid cooling air duct.
  • the liquid cooling fan 463 is arranged at one end of the liquid cooling box 462.
  • the liquid cooling box 462 is used to store the condensate.
  • the liquid cooling fan 463 and the liquid cooling air duct are used to feed the liquid cooling box 462. cooling of the condensate.
  • the outlet of the liquid cooling pipeline 461 is communicated with the liquid cooling tank 462 through the outlet pipe 466, and the inlet of the liquid cooling pipeline 461 is communicated with the liquid cooling tank 462 through the inlet pipe 467.
  • the liquid cooling pump 464 can be arranged in the inlet pipe 467 or the outlet pipe 466. superior.
  • the liquid cooling line 461 may be replaced by a liquid cooling box, and both the liquid cooling box and the liquid cooling line may be referred to as a liquid cooling part.
  • the liquid cooling box can be a flat box, that is, the ratio of the thickness of the box to the length is small, and further, the ratio can be 1/6 to 1/25.
  • the inlet pipe or the outlet pipe includes a plurality of heat exchange pipe sections, each heat exchange pipe section is disposed on the leeward side or the windward side of one air duct pipe 421 , preferably on the leeward side of the air duct pipe 421 .
  • the number of heat exchange pipe sections is less than or equal to the number of air duct pipes 421 .
  • no heat exchange pipe section is provided on the windward side or the leeward side of the air duct pipe 421 installed in the liquid cooling part.
  • the liquid cooling pipeline 461 may extend in a serpentine shape, including a plurality of straight pipe sections and a plurality of connecting pipe sections, each straight pipe section extending along the length direction of the air duct pipe 421, and each connecting pipe section.
  • a pipe segment connects the same-side ends of two adjacent straight pipe segments.
  • a partition plate is arranged in the liquid cooling box to form a bending and extending channel in the liquid cooling box, so as to improve the cooling efficiency.
  • the forced-assisted condensation method can ensure high condensation efficiency with a smaller volume, and has a better condensation effect than enlarging the condensation part 42 .
  • the condensate can be water or glycerol, ethylene glycol and other types of cooling liquid.
  • the main fan is used for cooling, and an auxiliary condensing device 46 is provided to assist the cooling and improve the steam condensation efficiency, thereby improving the drying efficiency of clothes. , the power of the main cooling fan is enhanced, etc., the present invention has significant technical effects.
  • a flow guide device is provided outside the inlet end of the air channel, and the flow guide device has a flow guide channel and a sub flow guide channel disposed in the guide channel and used for guiding the air to the air channel,
  • the sub-guiding channel is arranged between the condensing part 42 and the outlet of the condensing fan 422 .
  • the diversion channel includes an inlet section and an outlet section, the sub diversion channel is arranged in the outlet section, the inlet section is perpendicular to the air channel, that is, the inlet section extends in the front-rear direction, and the condensing fan 422 is a centrifugal fan.
  • the liquid cooling box 462 is disposed outside or above the outlet end of the air channel, the length direction of the liquid cooling box 462 is perpendicular to the air channel, and the liquid cooling air channel is perpendicular to the air channel.
  • the arrangement position and relative relationship between the special auxiliary condensing device and the condensing part 42 can significantly improve the condensing efficiency and the energy saving effect is good.
  • the condensing part 42 can be the cold end of the semiconductor refrigeration module, and the cold end surface is provided with cold end fins 61 , and the cold end fins 61 of the semiconductor refrigeration module are used to condense Water vapor in hot humid air.
  • the cold end of the semiconductor refrigeration module can be perpendicular to the flow direction of the drying airflow, so that after the drying airflow is subjected to greater resistance and the heat exchange with the fins, the cold end of the semiconductor refrigeration module can move from the peripheral side of the cold end as above. side, flow away.
  • the heating part 43 is used for heating the drying airflow condensed by the condensing part 42 .
  • the heating portion 43 may be disposed in the air duct system 11 and located on the air outlet side of the main fan 44 , that is, on the downstream side of the main fan 44 .
  • the heating part 43 may be an electric heating device 52 .
  • the semiconductor refrigeration module further includes a hot end, and the surface of the hot end is provided with hot end fins 62, and the hot end fins 62 of the semiconductor refrigeration module are used to preheat the drying airflow.
  • the air duct system 11 may have a bypass air duct section arranged on the upper side of the semiconductor refrigeration module, so that the drying air flows upward after heat exchange with the cold end fins 61 of the semiconductor refrigeration module, and then flows downward to meet the hot end fins. 62 heat exchange for preheating.
  • the main drying system 40 further includes a cold end of the semiconductor refrigeration module, the surface of the cold end is provided with cold end fins 61, and the cold end fins 61 of the semiconductor refrigeration module are used to assist in condensing the hot and humid air.
  • water vapor that is, the condensation part 42 is used to mainly condense the water vapor in the hot and humid air, and then the cold end fins 61 of the semiconductor refrigeration module are used to assist the condensation to improve the condensation effect.
  • the drying airflow is preheated by the hot end fins 62 of the semiconductor refrigeration module.
  • the condensing part 42 and the heating part 43 are the evaporator 71 and the condenser 72 of the heat pump system, respectively, and the evaporator 71 of the heat pump system is used to condense the water vapor in the hot and humid air , the heat pump system can provide higher condensation efficiency, thereby improving drying efficiency.
  • the condenser 72 of the heat pump system to heat the drying airflow, the energy utilization rate is high, the waste of heat is reduced as much as possible, and the energy efficiency of the clothes dryer 1 can be significantly improved.
  • the compressor of the heat pump system communicates with the condenser 72, the condenser 72 communicates with the throttling device, the throttling device communicates with the evaporator 71, and the evaporator 71 communicates with the compressor, that is, the compressor, the condenser 72, the throttling device
  • the device and the evaporator 71 are connected in turn to form a refrigerant circulation system.
  • the refrigerant is continuously converted into a gaseous state and a liquid state in the refrigerant circulation system, and the heat is released to heat the drying airflow, and the drying airflow enters the drum 21. clothing.
  • other types of condensation forms may also be used for condensation.
  • a semiconductor refrigeration module can also be arranged between the evaporator 71 and the condenser 72, so as to use the cold end fins 61 of the semiconductor refrigeration module to assist in condensing the water vapor in the hot and humid air, and use the hot end fins 62 of the semiconductor refrigeration module to condense the water vapor in the hot and humid air.
  • the drying airflow is preheated.
  • the casing 20 is provided with a water box groove, and the water box groove is located above the drum 21 .
  • the water box groove is disposed on the front panel of the casing 20 and is close to the top plate of the casing 20 . Area.
  • a water box is arranged in the water box groove, and the water box groove and the water box are gap-fitted, and the water box can be pulled out from the water box groove or inserted into the water box groove.
  • the top of the water box is provided with an opening for receiving the water discharged from the drain pipe on the lower side of the condensing part 42; when the water entering the water box fills the water box, the water will overflow from the top opening of the water box and flow to the water box in the slot.
  • the water box groove is provided with an overflow hole, and the overflow hole is generally set at the bottom of the water box groove to avoid water accumulation in the water box groove.
  • the overflow hole is communicated with the diversion channel through the overflow pipe. Therefore, when the water in the water box overflows into the water box groove, the water in the water box groove can enter the diversion channel through the overflow hole and the overflow pipe, and the water flowing out of the diversion channel can be used to clean the condensation part 42 or the lint filter. 45 and other structures to avoid water accumulation in the water tank groove.
  • a water pump is arranged on the drain pipe, a water storage tank is arranged on the lower side of the condensation part 42, and the water in the water storage tank is transported to the water box by the water pump.

Landscapes

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

Abstract

L'invention concerne un sèche-linge (1), comprenant un logement (20) et un tambour (21) monté à l'intérieur du logement (20). Le tambour (21) est conçu pour fournir un espace de stockage pour vêtements, et un orifice de saisie et de placement de vêtements (22) pouvant être ouvert est disposé sur la paroi circonférentielle du tambour (21). Le tambour (21) est disposé de façon à avoir un état rétracté qui est rétracté dans le logement (20) et un état étendu au moins partiellement à l'extérieur du logement (20), et dans l'état étendu, l'orifice de saisie et de placement de vêtements (22) est partiellement ou complètement situé à l'extérieur du logement (20).
PCT/CN2021/109716 2020-09-30 2021-07-30 Sèche-linge WO2022068369A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011064196.2 2020-09-30
CN202011064196.2A CN114318805A (zh) 2020-09-30 2020-09-30 干衣机

Publications (1)

Publication Number Publication Date
WO2022068369A1 true WO2022068369A1 (fr) 2022-04-07

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ID=80949201

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/109716 WO2022068369A1 (fr) 2020-09-30 2021-07-30 Sèche-linge

Country Status (2)

Country Link
CN (1) CN114318805A (fr)
WO (1) WO2022068369A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1384238A (zh) * 2001-04-30 2002-12-11 海尔集团公司 抽拉式滚筒洗衣机
CN1844541A (zh) * 2005-04-06 2006-10-11 Lg电子株式会社 洗衣干衣机
DE102008009791A1 (de) * 2008-02-18 2009-08-27 Miele & Cie. Kg Mantelbeschickbare Waschmaschine bzw. Toplader-Waschmaschine
CN104631039A (zh) * 2013-11-06 2015-05-20 东部大宇电子株式会社 滚筒式洗衣机
CN108396506A (zh) * 2018-03-28 2018-08-14 无锡小天鹅股份有限公司 衣物处理装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1384238A (zh) * 2001-04-30 2002-12-11 海尔集团公司 抽拉式滚筒洗衣机
CN1844541A (zh) * 2005-04-06 2006-10-11 Lg电子株式会社 洗衣干衣机
DE102008009791A1 (de) * 2008-02-18 2009-08-27 Miele & Cie. Kg Mantelbeschickbare Waschmaschine bzw. Toplader-Waschmaschine
CN104631039A (zh) * 2013-11-06 2015-05-20 东部大宇电子株式会社 滚筒式洗衣机
CN108396506A (zh) * 2018-03-28 2018-08-14 无锡小天鹅股份有限公司 衣物处理装置

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