WO2016015377A1 - 一种滚筒干衣机及干衣方法 - Google Patents

一种滚筒干衣机及干衣方法 Download PDF

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Publication number
WO2016015377A1
WO2016015377A1 PCT/CN2014/087823 CN2014087823W WO2016015377A1 WO 2016015377 A1 WO2016015377 A1 WO 2016015377A1 CN 2014087823 W CN2014087823 W CN 2014087823W WO 2016015377 A1 WO2016015377 A1 WO 2016015377A1
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WIPO (PCT)
Prior art keywords
air
air chamber
drying
clothes
outer cylinder
Prior art date
Application number
PCT/CN2014/087823
Other languages
English (en)
French (fr)
Inventor
吕佩师
许升
宋华诚
尹俊明
Original Assignee
青岛海尔滚筒洗衣机有限公司
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.)
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Publication date
Priority claimed from CN201410376658.2A external-priority patent/CN105316919B/zh
Priority claimed from CN201410378223.1A external-priority patent/CN105332252B/zh
Application filed by 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Priority to JP2017502989A priority Critical patent/JP6710858B2/ja
Priority to EP14898555.9A priority patent/EP3176309A4/en
Priority to KR1020177005577A priority patent/KR102232388B1/ko
Priority to US15/500,862 priority patent/US10570557B2/en
Publication of WO2016015377A1 publication Critical patent/WO2016015377A1/zh

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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
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
    • 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
    • D06F58/02—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
    • D06F58/20—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 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • D06F58/263—Gas heating equipment
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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
    • D06F2103/28—Air properties
    • D06F2103/34—Humidity
    • 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
    • D06F2103/28—Air properties
    • D06F2103/36—Flow or velocity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/16—Air properties
    • D06F2105/24—Flow or velocity
    • 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
    • D06F2105/32—Air flow control 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • 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
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control

Definitions

  • the invention relates to the field of drying, in particular to a drum dryer and a drying method for improving an air inlet position and an air inlet mode.
  • a device for generating heated air employs a heating method in which air is heated by a heater.
  • a heat pump dryer has been developed, and a heat pump system is used to enhance the recycling of heat.
  • the general heating tube drying method only has the front drying air inlet (refer to FIG. 1), and the heat pump drying method has only one drying air inlet (refer to FIG. 2).
  • the existing heating tube clothes are dried to be provided with a heating tube 1 ′ and a fan 2 ′ in the air passage, and the circulating heating is further provided with a condensing device 3 ′, which needs to be The water vapor in the hot and humid air is condensed and discharged; instead of the circulating drying, the external air is heated and sent to the inner drying of the cylinder, and the dried hot air is discharged to the outside (not shown).
  • the conventional heat pump type clothes drying device is provided with an air circulation passage through which the heated air heated by the condenser 5' in the heat pump circulation system 4' is passed through the circulation passage from the rear air inlet of the drum.
  • the moisture is sucked into the drying chamber containing the clothes, and the moisture absorbed from the clothes is sent back to the evaporator 6' for dehumidification by the front air outlet, and the dehumidified air is again heated by the condenser 5' and sent. In the drying room.
  • Chinese Patent Application No. 200610146442.2 discloses a washing machine dryer using a heat pump as a heat source, and in particular, relates to a heat source utilizing a condenser in a heat pump system for heating air, using an evaporator in the system as dehumidifying and cooling.
  • a device for drying laundry wherein a rear side of the outer tub of the washing machine is provided with a hot air inlet, a front end of the outer tub of the drum is provided with a hot air outlet, and a duct at the hot air outlet is connected to the hot air inlet, and the wind is near the hot air outlet.
  • An evaporator is placed in the road, and a set of hot air inlets is placed in the air duct.
  • the Chinese Patent Application No. 201110183197.3 discloses an inner and outer cylinder structure of a washing machine having a drying function.
  • the inner cylinder is coaxially disposed inside the outer cylinder, the inner cylinder shaft passes through the rear portion of the outer cylinder, and the rear portion of the outer cylinder is provided.
  • the wind structure is a plurality of retaining ribs respectively disposed on the inner side of the rear portion of the outer cylinder and the outer side of the rear portion of the inner cylinder, and the retaining ribs are all at the periphery of the drying air inlet, and the rib radius is different so that the inner side and the inner cylinder of the outer cylinder The adjacent ribs on the outer side of the rear are alternately overlapped.
  • the dryer Whether it is heating the dryer through a heater or drying the heat pump system, it is generally through the air duct to heat the air from the outer cylinder. After the rear part is fed into the inner cylinder and exchanges heat with the wet clothes, the humidified air is taken out from the front of the inner cylinder or condensed and dehumidified, and then heated to continue drying the laundry.
  • the clothes dryer only has one drying air inlet. During the drying process, the clothes near the air inlet are drying fast, but because of the long time at a higher temperature, the water shrinks after drying; the clothes far away from the air inlet The temperature is low, the drying speed is slow, and it is not easy to dry, especially for a single weight high clothing, and the internal drying degree is not uniform.
  • the Chinese Patent Application No. 201110231574.6 discloses a washing and drying machine having a front and rear double drying air inlet and a control method thereof.
  • the washing and drying integrated machine comprises an outer casing, an outer cylinder disposed in the outer casing and rotatably disposed in the outer cylinder.
  • the inner cylinder further includes a heat pump system for drying the laundry, the heat pump system includes a heat pump air inlet and a heat pump air outlet, and the front drying air inlet and the rear drying air inlet, the outer cylinder respectively at the front and the rear of the outer cylinder
  • the front part of the front part is also provided with a drying air outlet, and the drying air outlet is connected with the air inlet of the heat pump through the air inlet duct, and the air outlet of the heat pump is connected with the air inlet of the post through the air supply duct, and the air inlet and the air supply are provided before drying.
  • a second air duct is disposed between the air ducts, and the second air duct is closely attached to the outer wall of the outer cylinder and the outer cylinder is integrally formed, and the heat pump air outlet is controlled by the switching mechanism to communicate with the front drying air inlet and/or the rear drying air inlet. .
  • the above structure discloses two air inlets, it is essentially an air inlet, which is controlled by the switching mechanism to perform air intake drying, and the forward air outlet and the air outlet are both disposed at the front end of the outer cylinder, and when the air inlet is selected, the air inlet is selected.
  • the air-drying clothes can not be effectively utilized, the purpose of which is to adjust the working efficiency of the heat pump compressor; the two air inlets are arranged at the front and rear ends of the outer cylinder, and no matter which air inlet is selected, the clothes are still dry and uneven, and the clothes are seriously damaged.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a roller that controls the direction of the air entering, so that the hot air correspondingly moves up and down the clothes to selectively enter the drum from the left or right side of the drum to make the clothes uniform and shorten the drying time. Clothes dryer.
  • Another object of the present invention is to provide a drying method for controlling the direction of rotation of the inner cylinder such that the clothes lifting side and the air chamber are fitted into the hot air in the axial forward and backward positions of the outer cylinder.
  • a further object of the present invention is to provide a method for changing the direction of the incoming air by using an auxiliary drying system on the basis of the existing front and rear air drying clothes, so that the hot air correspondingly moves up and down the clothes to selectively enter the drum from the left or right side of the drum to make the clothes A tumble dryer that evenly and shortens the drying time.
  • a tumble dryer comprising an inner cylinder, an outer cylinder, a heating air supply device and a air duct, and further comprising at least two outer cylinder sidewalls into the cylinder
  • the air chamber blowing hot air, each air chamber is connected with the air passage, and the air chamber is independently controlled to open and close.
  • the air chambers are respectively arranged on the two sides corresponding to the rotation of the inner cylinder to drive the clothes, and the air chamber is opened according to the rotation direction of the inner cylinder.
  • the other side stops sending air.
  • the blowing direction of the air chamber is controlled to open the air supply corresponding to the falling side of the laundry, and the rising side closes the air supply.
  • each of the gas chambers is sequentially arranged in the axial direction of the outer cylinder.
  • each of the air cells and the rotation direction of the inner cylinder are controlled according to the drying time and/or detecting the temperature in the outer cylinder and/or detecting the humidity of the laundry.
  • At least one air chamber is respectively disposed on the side portion corresponding to the inner cylinder to drive the laundry to rise and fall, and the opening and closing of the air chambers on both sides is switched corresponding to the forward and reverse rotation of the inner cylinder.
  • the dryer comprises a first air chamber and a second air chamber, wherein the two air chambers are respectively located on the left and right sides of the outer cylinder, and the air supply direction respectively corresponds to the path of the inner cylinder rotating to lift and drop the clothes.
  • the inner cylinder is reversed, and the opening and closing of the two air chambers is switched, which satisfies: the air chamber that supplies the air corresponding to the falling side of the laundry is opened, and the air chamber on the other side is closed.
  • the dryer further includes a third air chamber, and the third air chamber is installed at the bottom of the outer cylinder, and the blowing direction is upward.
  • first air chamber and the second air chamber are respectively located at the front and rear ends of the outer cylinder, and the third air chamber is disposed at the middle.
  • each air chamber communicates with the air passage through the same air distribution valve, and the air distribution valve controls the air outlet of the air chamber, or each air chamber is respectively associated with the air
  • the channels are connected, and each of the air chambers is provided with an opening control valve.
  • the air chamber includes an air inlet and an open port, and the air vent is mounted on the air vent, and the vent cover is evenly distributed with a plurality of vent holes.
  • each air chamber is axially distributed corresponding to the outer cylinder, and according to the distribution order of the air chambers, the rotation direction of the inner cylinder is controlled so as to correspond to the inner cylinder before and after the different drying stages. Dry clothes in different positions.
  • the air chamber corresponding to the air inlet on the left side of the outer cylinder is also located at the rear end of the outer cylinder, and the air chamber corresponding to the right side of the outer cylinder is also located outside.
  • the front end of the cylinder in the early stage of drying, the control drum rotates counterclockwise or rotates counterclockwise most of the time.
  • the left side garment is lowered, the left air chamber is opened, and the right air chamber is closed.
  • the control drum is clockwise. Rotate or rotate clockwise most of the time, corresponding to the right side of the clothing for the lowering process, open the right air chamber into the air, the left air chamber is closed.
  • the control method allows air intake at different positions at different stages to avoid continuous drying of the local clothes, so that the clothes fibers lose elasticity due to overdrying, and are easily broken, resulting in wear of the clothes.
  • a lower air chamber is disposed at a position directly below the outer cylinder, and the lower air chamber is air-dried together with the left and right air chambers before and after drying; or, a middle drying period is added, and the air is blown in the middle of the drying period.
  • the chamber is opened and the left and right side air chambers are closed.
  • the position distribution of the air chamber in the axial direction and the circumferential direction of the outer cylinder and the rotation of the laundry with the inner cylinder open the corresponding air chamber The regularity of the drum is controlled to control the rotation direction and rotation time of the drum to achieve quick and uniform drying.
  • the tumble dryer of the present invention comprises an inner cylinder, an outer cylinder and a first drying system
  • the first drying system comprises an outer cylinder front/rear air drying dryer, a second drying system
  • the second drying system comprises at least two a gas chamber that blows hot air from the side wall of the outer cylinder to the inside of the cylinder, and each of the air chambers is respectively arranged corresponding to the side for lifting the clothes when the inner cylinder is reversing, and each air chamber independently controls the hot air, and switches according to the forward and reverse rotation of the inner cylinder. Opening and closing of the side air chamber.
  • the first drying system is a main drying system
  • the second drying system is an auxiliary drying system, a drying process
  • the second drying system controls opening and closing of the air chambers to complete the first drying system. Dry clothes.
  • each of the gas chambers is sequentially arranged in the axial direction of the outer cylinder.
  • each of the gas cells is distributed in the circumferential direction of the outer cylinder.
  • each of the air cells is controlled according to the drying time and/or detecting the temperature in the outer cylinder and/or detecting the humidity of the laundry.
  • the second drying system comprises a first air chamber and a second air chamber, wherein the two air chambers are respectively located on the left and right sides of the outer cylinder, corresponding to the forward and reverse rotation of the inner cylinder to drive the path of lifting and falling of the clothes.
  • the inner cylinder is reversed, and the opening and closing of the two air chambers is switched, which satisfies: the air chamber corresponding to the side of the clothes lifting side is opened, and the air chamber on the other side is closed.
  • the second drying system includes a third air chamber, and the third air chamber is installed at the bottom of the outer cylinder, and the blowing direction is upward.
  • first air chamber and the second air chamber are respectively located at the front and rear ends of the outer cylinder.
  • each air chamber communicates with the air passage through the same air distribution valve, and the air distribution valve controls the air outlet of the air chamber, or each air chamber is respectively associated with the air
  • the channels are connected, and each of the air chambers is provided with an opening control valve.
  • the second drying system and the first drying system use the same heating device, and are diverted through the air duct to the first drying system and the second drying system, or the second drying system and the first The drying system corresponds to a heating device.
  • the air chamber includes an air inlet and an open port, and the air vent is mounted on the air vent, and the vent cover is evenly distributed with a plurality of vent holes.
  • the air chambers are opened or closed according to the drying time and/or detecting the temperature in the outer cylinder and/or detecting the humidity of the laundry, thereby controlling the rotation direction of the inner cylinder to open and close the corresponding air chamber.
  • the present invention has the following advantageous effects compared with the prior art.
  • the tumble dryer according to the present invention improves the air intake mode of the clothes, and enters the air from the side wall of the outer tube to replace the front or rear air intake mode of the existing tumble dryer; the hot air is taken from the air chamber at different positions.
  • the method of entering the hot air is added to realize the controllability of the drying position; the drying direction of the drying drum is enhanced by controlling the rotation direction of the drum and the corresponding air chamber opening and closing, so that the drying clothes are more uniform; Drying clothes before and after the air also shortens the drying time and enhances the uniform effect of the clothes; evenly drying clothes during the falling process, the fluffy feeling is strong, the clothes are not damaged, the clothes are not easy to wrinkle, and the single front or rear air intake mode is overcome.
  • the problem of uneven heating and long drying time is a drying time.
  • the dryer according to the present invention can save 10%-30% time according to different loads, especially for a large-capacity dryer, which can save time 10-30 minutes depending on the material;
  • the above improvement of the invention can improve the drying efficiency of about 20%, and the drying clothes are uniform and relatively reduce the damage of the laundry fibers.
  • an auxiliary drying system is added to enter the wind from the side wall of the outer tube; the hot air is introduced from the air chamber at different positions, and the way of entering the hot air is added to realize the position of the drying clothes.
  • the controllability by controlling the rotation direction of the drum and the corresponding air chamber to open and close, the drying effect is enhanced, and the drying clothes are more uniform; and the drying of the clothes is also shortened by the axial outer front and the back of the outer cylinder.
  • the uniform effect of the clothes is enhanced; when the clothes are raised, the clothes are closely attached to the inner tube, and the hot air is sent from the outer wall of the outer tube without affecting the original wind path of the inner tube, and the hot air heats the inner tube wall to dry the clothes closely adhering to the inner tube wall, The angle is dry, the fluffy feeling is strong, the clothes are not damaged, the clothes are not easy to wrinkle, and the problem of uneven heating and long drying time caused by a single front or rear air intake mode is overcome.
  • Figure 1 is a schematic view showing the structure of a conventional heating pipe dryer
  • FIG. 2 is a schematic structural view of a conventional heat pump dryer
  • FIG. 3 and FIG. 4 are schematic structural views of different air passages of the clothes dryer of the present invention.
  • Figure 5 is a schematic view showing the installation structure of the air chamber and the outer cylinder of the present invention.
  • Figure 6 is a schematic view showing the structure of the gas chamber of the present invention.
  • Figure 7 is a schematic structural view of a ventilating cover plate of the present invention.
  • FIGS. 8 to 10 are schematic views of different embodiments of the air chamber and outer cylinder mounting structure of the present invention.
  • Figure 11 is a schematic view showing the structure of the air chamber of the present invention axially mounted on the outer cylinder;
  • FIG. 12 and FIG. 13 are schematic diagrams showing the structure of a second drying system of another tumble dryer of the present invention in combination with different first drying systems;
  • FIG. 14 and 15 are schematic views showing different embodiments of the air chamber and outer cylinder mounting structure of another drum dryer according to the present invention.
  • the dryer of the present invention comprises a casing of a conventional dryer, an outer cylinder 2 disposed in the casing, an inner cylinder 3 rotatably disposed in the outer cylinder, and a heated air supply.
  • the air blowing unit is an air pump or a fan for feeding the heated air into the outer cylinder or extracting the hot and humid gas after the heat exchange between the outer cylinder and the clothes.
  • the present invention further includes at least two air chambers 5, which are disposed on the peripheral wall of the outer cylinder 2, and send hot air to the cylinder to communicate with the air duct, and each air chamber 5 independently opens and closes to send hot air, and each gas
  • the chamber 5 is respectively disposed on the two sides corresponding to the rotation of the inner cylinder 3 to drive the laundry, and the air chamber 5 is opened and the air is blown according to the rotation direction of the inner cylinder 3, and the air chamber on the other side stops the air supply.
  • the air blowing direction of the air chamber is controlled to open the air supply on the side corresponding to the falling of the clothes, and the rising side is closed to the air supply, and the lifting side of the clothes also changes due to the change of the inner and the right direction of the inner cylinder. Therefore, the control chamber opening and closing corresponds to the rotation direction switching.
  • the above rule is not fixed, and the side corresponding to the lifting of the clothes may be turned on and the other side may be closed.
  • the air chambers of the present invention are not necessarily located on the same circumferential section of the outer cylinder, and the air chambers may be distributed in the order of the axial direction of the outer cylinder, according to the drying time and/or detecting the temperature in the outer cylinder and/or Detecting the humidity of the clothes controls the opening and closing of the air chambers and the rotation direction of the inner cylinders, thereby better reducing damage to the clothes fibers and achieving quick and uniform drying.
  • the heating unit for the tumble dryer of the present invention adopts a heater or a heat pump system or other structure such as a solar heating structure, and the air passage adopts an internal condensation circulation heating structure or a structure in which the dry hot air is discharged to the outside (see Figs. 3 and 4). ).
  • a condensing unit 10 is provided.
  • the outer cylinder 2 is further An exhaust port 11 is provided.
  • the clothes dryer of the present embodiment includes a first air chamber 51 and a second air chamber 52.
  • the first air chamber 51 is located on the left side of the outer cylinder 2, and the second air chamber 52 is located.
  • the right side of the outer tube 2, the left side and the right side are opposite to the user's clothes inlet port of the clothes dryer, and the air supply direction respectively corresponds to the path of the inner tube rotation to drive the clothes to be lifted and dropped, that is, the inner tube switches forward and backward. Turning, whether it is the first air chamber 51 or the second air chamber 52, corresponds to the path of lifting and falling of the clothes.
  • the inner cylinder 3 rotates forward, that is, rotates clockwise, the laundry is lifted on the left side of the inner cylinder 3, and falls on the right side of the inner cylinder 3.
  • the second air chamber 52 that supplies air to the side of the laundry falling side is provided. Opening, the first air chamber 51 on the other side is closed (refer to FIG. 9); conversely, when the inner cylinder 3 is rotated counterclockwise, the laundry is lifted on the right side of the inner cylinder 3 and falls on the left side of the inner cylinder 3, At this time, the first air chamber 51 that blows the air corresponding to the side of the falling side of the laundry is opened, and the second air chamber 52 of the other side is closed (refer to FIG. 5); corresponding to the forward and reverse of the inner cylinder 3, the first air chamber is repeatedly switched. 51 and opening and closing of the second air chamber 52.
  • the dryer of the present embodiment is further provided with a third air chamber 53 on the basis of the first embodiment, and the third air chamber 53 is mounted on the bottom of the outer tube 2, that is, directly below, and the blowing direction is up. Regardless of whether the inner cylinder 3 is rotating forward or backward, the laundry always falls to the lower portion and is lifted upward from the lower portion, and the angle at which the laundry rolls and falls is different each time, so that the third air chamber 53 can continuously or intermittently open the hot air for a long time. Can better save drying time.
  • the clothes dryer of the present embodiment is further improved on the basis of the first embodiment.
  • the first air chamber 51 is located at the left side of the outer tube 2 and the rear end in the axial direction, and is placed on the clothes.
  • the opposite end of the port 6; the second plenum 52 is located at the right side of the outer cylinder 2, at the front end in the axial direction, near one end of the laundry inlet 6; the two plenums cover at least 60% of the area in the axial direction.
  • the inner and the reverse of the inner cylinder are switched, and the first air chamber and the second air chamber are opened/closed corresponding to the lifting of the clothes, and the front and rear ends of the outer cylinder are realized, and the air is dried by the side wall of the outer tube, and the clothes are uniform and Does not hurt the clothes, and can reduce the drying time.
  • the third air chamber 53 disposed on the outer cylinder is located at the bottom of the outer cylinder 2 at an intermediate position in the axial direction, that is, in the axial direction of the outer cylinder 2, the third air chamber 53 is located at the first gas.
  • the three plenums cover at least 80% of the area in the axial direction, or are completely covered.
  • the left rear end or the right front end of the first air chamber and the second air chamber are not fixed, and may be disposed as a left front end, a right rear end, or a third air chamber front and rear.
  • the first air chamber or the second air chamber is in the middle and the like.
  • the inner cylinder 3 of the dryer rotates counterclockwise or rotates counterclockwise for most of the time, and the inner cylinder 3 rotates to drive the clothes to roll, and the clothes are included.
  • the left side of the cylinder 3 is lowered to the right side, the right side laundry is in a stacked state, the first air chamber 51 is opened, the second air chamber 52 is closed, and the air is introduced from the left rear end of the outer cylinder 2, so that the rear side of the inner cylinder 3 is Will dry quickly.
  • the inner cylinder 3 of the dryer rotates clockwise or most of the time rotates clockwise, and the inner cylinder 3 rotates to drive the clothes to roll, and falls on the right side of the inner cylinder 3, left side.
  • the laundry is in a stacked state.
  • the second air chamber 52 is opened, the first air chamber 51 is closed, and air is introduced from the front end of the right outer tube 2 to concentrate the clothes on the front side of the inner tube 3 to be dried.
  • This control method allows air intake at different positions at different stages to avoid partial clothing holding Continued drying makes the fabric fibers lose their elasticity due to overdrying, which is easy to break and cause clothing to wear.
  • the intermediate period of the drying period may be increased, the proportion of the time of the forward and reverse rotation of the inner cylinder may be adjusted, and the opening and closing switching of the first air chamber 51 and the second air chamber 52 may be controlled; or, in the middle of the drying period, the third air chamber 53 may be opened.
  • the first air chamber 51 and the second air chamber 52 on the left and right sides are closed; or, in the middle of the drying, the third air chamber 53 is supplied with the first air chamber 51 and the second air chamber 52, respectively.
  • the drying time segmentation can be separated according to the temperature rising phase of the existing drying process, the temperature stationary phase and the temperature secondary rising phase, or separated according to the detected humidity and temperature changes.
  • the heat of the clothes causes the temperature to rise rapidly to about 50 ° C; then the rate of temperature rise tends to be slow and steady, this stage is the period when the water vapor evaporates most, the heat is absorbed by the water and the temperature rises slowly.
  • the rate of temperature rise in the cylinder will increase sharply again. This time means that the drying is nearing the end.
  • FIG. 15 is a schematic structural view of another tumble dryer according to the present invention.
  • the tumble dryer includes a casing of an existing dryer, an outer cylinder 2 disposed in the casing, and a rotatable
  • the inner cylinder 3 disposed in the outer cylinder, the heating air blowing device 4, the condensing unit 10, the air duct 11, the driving device for driving the inner cylinder to rotate, and other control structures (not shown), and the heating air blowing device 4 includes heating
  • the unit 41 and the air supply unit 42 may be configured by an electric heater structure or a condenser structure of a heat pump system for heating air in the air duct 11, and the air supply unit 42 is an air pump or a fan for The heated air is sent to the outer cylinder 2 or the hot humid air after the heat exchange with the laundry in the outer cylinder 2 is taken out.
  • the front and rear air-drying and drying system of the above prior art belongs to the first drying system of the present invention.
  • the present invention further provides a second drying system, wherein the first drying system is the main drying system,
  • the second drying system is an auxiliary drying system, and the second drying system comprises at least two air chambers 5, which are arranged on the peripheral wall of the outer cylinder 2, and send hot air to the cylinder to communicate with the air duct, and each air chamber 5 is independently opened and closed.
  • the hot air is sent, and the air chambers 5 are respectively arranged on the two sides of the inner cylinder 3 to drive the clothes to be lifted and lowered, the drying process, the second drying system controls the opening and closing of the air chambers to cooperate with the first drying system to complete the drying, according to the inner cylinder 3
  • the rotation direction switching control one side air chamber 5 to open the air supply, and the other side air chamber to stop the air supply.
  • the air blowing direction of the air chamber is controlled to open the air supply corresponding to the lifting side of the clothes, and the lower side is closed to supply the air, and the lifting side of the clothes also changes due to the change of the rotating direction of the inner cylinder. Therefore, the control chamber opening and closing corresponds to the rotation direction switching.
  • the above rule is not fixed, and it is also possible to open the air supply on the side where the laundry falls and the other side to close.
  • the heating unit for the dryer of the tumble dryer can also use other heating structures such as solar energy, and the air path is heated by an internal condensation cycle (see Figs. 12 and 13). It is also possible to adopt a wind path structure in which the hot and humid air after drying is discharged to the outside.
  • the second drying system of the present embodiment includes a first air chamber 51 and a second air chamber 52.
  • the first air chamber 51 is located on the left side of the outer cylinder 2, and the second air chamber 52 is located outside.
  • the right side of the tube 2, the left and right sides are opposite to the user facing the dryer
  • the air supply direction respectively corresponds to the path in which the inner cylinder rotates to lift and drop the clothes, that is, the inner cylinder switches forward and reverse, whether the first air chamber 51 or the second air chamber 52 is corresponding to the clothes lifting. And the path that fell.
  • the clothes dryer of this embodiment is further provided with a third air chamber 53 (see FIG. 8) based on the fifth embodiment, and the third air chamber 53 is installed at the bottom of the outer cylinder 2, that is, directly below.
  • the direction of the hair is up.
  • the inner cylinder 3 is rotating forward or backward, the laundry always falls to the lower portion and is lifted upward from the lower portion, and the angle at which the laundry rolls and falls is different each time, so that the third air chamber 53 can continuously or intermittently open the hot air for a long time. Can better save drying time.
  • the clothes dryer of the embodiment is further improved on the basis of the fifth embodiment, wherein the first air chamber 51 is located at the left side of the outer tube 2 and the rear end of the axial direction. An end opposite to the laundry inlet 6; the second plenum 52 is located at the right side of the outer cylinder 2, at the front end in the axial direction, near one end of the laundry inlet 6; the two plenums cover at least 60% of the area in the axial direction.
  • the inner and the reverse of the inner cylinder are switched, and the first air chamber and the second air chamber are opened/closed corresponding to the lifting of the clothes, and the front and rear end portions of the outer cylinder are realized, and the air is dried by the side wall of the outer tube, and the clothes are dried. Uniform and does not hurt the clothes, and can reduce the drying time.
  • the third air chamber 53 provided on the outer cylinder is located at the bottom of the outer cylinder 2 at an intermediate position in the axial direction, that is, in the axial direction of the outer cylinder 2, the third air chamber 53 is located at the first gas.
  • the three plenums cover at least 80% of the area in the axial direction, or are completely covered.
  • the left rear end or the right front end of the first air chamber and the second air chamber are not fixed, and may be disposed as a left front end, a right rear end, or a third air chamber front and rear.
  • the first air chamber or the second air chamber is in the middle and the like.
  • the inner cylinder 3 of the dryer rotates clockwise or most of the time rotates clockwise (refer to FIG. 15), and the inner cylinder 3 rotates to drive the clothes.
  • the clothes fall on the right side of the inner tube 3,
  • the left side is raised, the left side laundry is in a stacked state, the first air chamber 51 is opened, the second air chamber 52 is closed, and air is introduced from the left rear end of the outer cylinder 2, so that the rear side of the inner cylinder 3 is quickly dried.
  • the inner cylinder 3 of the dryer rotates counterclockwise or rotates counterclockwise most of the time, the rotation of the inner cylinder 3 drives the clothes to roll, and the clothes fall on the left side of the inner cylinder 3, and the right side rises.
  • the right side laundry is in a stacked state.
  • the second air chamber 52 is opened, the first air chamber 51 is closed, and air is introduced from the front end of the right outer tube 2, and the clothes on the front side of the inner tube 3 are concentrated and dried.
  • the control method cooperates with the first drying system to dry the clothes in an all-round manner, and avoids the continuous drying of the local clothes, so that the clothes fibers lose elasticity due to overdrying, and are easily broken, resulting in wear of the clothes.
  • the intermediate period of the drying period may be increased, the proportion of the time of the forward and reverse rotation of the inner cylinder may be adjusted, and the opening and closing switching of the first air chamber 51 and the second air chamber 52 may be controlled; or, in the middle of the drying period, the third air chamber 53 may be opened.
  • the first air chamber 51 and the second air chamber 52 on the left and right sides are closed; or, in the middle of the drying, the third air chamber 53 is supplied with the first air chamber 51 and the second air chamber 52, respectively.
  • the drying time segmentation can be separated according to the temperature rising phase of the existing drying process, the temperature stationary phase and the temperature secondary rising phase, or separated according to the detected humidity and temperature changes.
  • the heat of the clothes causes the temperature to rise rapidly to about 50 ° C; then the rate of temperature rise tends to be slow and steady, this stage is the period when the water vapor evaporates most, the heat is absorbed by the water and the temperature rises slowly.
  • the rate of temperature rise in the cylinder will increase sharply again. This time means that the drying is nearing the end.
  • the above two tumble dryers of the present invention comprise a dry clothes structure of a washing and drying machine, and a check valve 8 is arranged on the air inlet pipe 7 of each air chamber 5,
  • the valve 8 can prevent water from entering the heating unit, or prevent the washing water from leaking when the washing machine is in the laundry; each of the air chambers 5 communicates with the air passage through the same air distribution valve 9, and the air distribution valve 9 controls the ventilation of each air chamber. Closed, or, each of the air chambers is respectively connected with the air passage, and each of the air chambers is provided with an opening control valve one by one.
  • the number of the air chambers 5 of the above two tumble dryers of the present invention is not known to be two or three, and four or five or the like may be provided, not only in the circumferential direction of the outer cylinder. It can be increased and can also be increased in the axial direction.
  • the air chamber 5 includes an air inlet 54 and an opening 55.
  • the air inlet cover 56 is mounted on the opening 55.
  • the ventilation cover 56 is evenly distributed with a plurality of ventilation holes 57.
  • the air intake is uniform and no turbulence is formed.

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Abstract

一种滚筒干衣机及干衣方法，干衣机包括内筒（3）、外筒（2）、加热送风装置（4）和风道，还包括至少两个由外筒（2）侧壁向筒内吹热风的气室（5），各气室（5）与风道连通，独立控制启闭，各气室（5）对应内筒（3）转动带动衣物升降的两侧分别设置，根据内筒（3）的转动方向切换控制一侧气室（5）开启送风，另一侧停止送风。各气室（5）对应外筒（2）轴向前后分布，根据各气室（5）的分布顺序，控制内筒（3）的转动方向使得在不同的干衣阶段对应内筒（3）前后的不同位置送风干衣。通过控制内筒（3）的转动方向和对应气室（5）配合启闭，增强了干衣效果，使得干衣较为均匀；另外通过阶段性外筒（2）轴向前后进风干衣，也缩短了干衣时间，增强了干衣均匀效果；在衣物落下过程均匀干衣，蓬松感强，不伤衣物，衣物不易起褶皱。

Description

一种滚筒干衣机及干衣方法 技术领域
本发明涉及烘干领域，尤其是一种改进进风位置和进风方式的滚筒干衣机及干衣方法。
背景技术
在用于洗衣干衣机的干燥机构中，生成加热空气的装置采用通过加热器来加热空气的加热方式。为了降低能耗，陆续开发出了热泵式干衣机，使用热泵系统，加强对热量的循环利用。现有滚筒式干衣机，一般加热管烘干方式只有前面烘干进风口(参阅图1)，热泵烘干方式只有后面一个烘干进风口(参阅图2)。
具体地，如图1所示，现有加热管衣物烘干为在风路中设有加热管1’、风机2’，循环式加热则在还设有冷凝装置3’，在加热前需要先将湿热空气中的水蒸汽冷凝排出；而非循环干衣则外部空气加热送入筒内干衣，干衣后的湿热空气再排出到外部(图中未示出)。如图2所示，现有热泵式衣物干燥装置中设置有如下的空气循环通道：由热泵循环系统4’中的冷凝器5’进行过加热的加热空气通过循环通道由滚筒后部进风口被送入装有衣物的干燥室内，从衣物中夺取了水分的吸湿空气由前部出风口被送回到蒸发器6’处进行除湿，除湿后的空气再次由冷凝器5’加热，并送入干燥室中。
申请号为200610146442.2的中国专利公开了一种采用热泵作为热源的洗衣机干燥机，具体地，涉及的是一种利用热泵系统中的冷凝器的热源对空气加热，利用系统中的蒸发器作为除湿冷源，对衣物进行烘干的装置，所述的洗衣机的外桶的后侧设置有热风入口，滚筒的外桶前端设置热风出口，在热风出口有一风道连通热风入口，在热风出口附近的风道中放置了蒸发器，在风道中设置一套靠近热风入口。
申请号为201110183197.3的中国专利公开了一种具有烘干功能洗衣机的内外筒结构，内筒同轴设于外筒的内部，内筒轴穿过外筒后部，所述外筒的后部设有烘干进风口，于外筒后部内侧和内筒后部外侧之间的烘干进风口外围设有阻止烘干进风在内外筒后部径向扩散的挡风结构，所述的挡风结构为分别设于外筒后部内侧和内筒后部外侧沿圆周方向的多个挡筋，挡筋均在烘干进风口的外围，挡筋半径不同使得外筒后部内侧和内筒后部外侧的相邻挡筋交错重合。
无论是通过加热器加热干衣还是热泵系统干衣，一般都是通过风道将加热的空气由外筒 后部送入内筒中与潮湿衣物热交换后，将潮湿降温的空气从内筒前部导出外界或经冷凝去湿后再加热继续烘干衣物。干衣机均只设有一个烘干进风口，干衣过程中，靠近进风口的衣物干燥速度快，但因长时间处在较高温度下，烘干后缩水程度大；远离进风口的衣物温度低，干燥速度慢，不容易干燥，特别是单一重量高的衣物，容易出现内部烘干程度不均匀的情况。
申请号为201110231574.6的中国专利公开了一种具有前后双烘干进风口的洗干一体机及控制方法，洗干一体机包括外壳、设于外壳内的外筒及可旋转设于外筒内的内筒，还包括用于烘干衣物的热泵系统，热泵系统包括热泵进风口和热泵出风口，外筒前部和后部上方分别设有前烘干进风口和后烘干进风口，外筒前部上方还设有烘干出风口，烘干出风口与热泵进风口通过进风风道连通，热泵出风口通过送风风道与后烘干进风口连通，前烘干进风口与送风风道之间设有第二风道，第二风道紧贴外筒外壁与外筒为一体成型结构，通过切换机构控制热泵出风口与前烘干进风口和/或后烘干进风口相通。
上述结构虽然公开了两个进风口，但实质上还是一个进风口，其通过切换机构控制选择其一进行进风烘干，且前进风口和出风口均设置在外筒前端，当选择前进风口进风时，并不能有效利用进风干衣，其目的是为了调节热泵压缩机的工作效率；两个进风口设置在外筒前后端，无论选择哪个进风口，衣物干燥仍然不均匀，衣物损害严重。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种控制进风方向使热风对应衣物升降有选择地从滚筒左或右侧进入滚筒以使得干衣均匀、缩短干衣时间的滚筒干衣机。
本发明的另一目的在于提供一种控制内筒转动方向以使得衣物升降侧和气室在外筒轴向前后位置配合进热风的干衣方法。
本发明的再一目的在于提供一种在现有前后进风干衣的基础上，利用辅助干衣系统改变进风方向使热风对应衣物升降有选择地从滚筒左或右侧进入滚筒以使得干衣均匀、缩短干衣时间的滚筒干衣机。
为解决上述技术问题，本发明采用技术方案的基本构思是：一种滚筒干衣机，包括内筒、外筒、加热送风装置和风道，还包括至少两个由外筒侧壁向筒内吹热风的气室，各气室与风道连通，独立控制启闭，各气室对应内筒转动带动衣物升降的两侧分别设置，根据内筒的转动方向切换控制一侧气室开启送风，另一侧停止送风。
优选的方案为，在干衣时根据内筒的转动方向，控制气室吹风方向对应衣物落下的一侧开启送风，上升一侧关闭送风。
进一步的为，各气室按照外筒轴向前后顺序分布。
进一步的为，根据干衣时间和/或检测外筒内的温度和/或检测衣物的湿度控制各气室的开闭和内筒的转动方向。
进一步的为，对应内筒带动衣物上升、落下的侧部分别设置至少一气室，对应内筒的正反转切换两侧气室的启闭。
进一步的为，所述的干衣机包括第一气室和第二气室，两气室分别位于外筒的左、右两侧，送风方向分别对应内筒转动带动衣物提升和落下的路径，干衣时，内筒正反转，切换两气室的启闭，满足：对应衣物落下一侧路径送风的气室开启，另一侧的气室关闭。
进一步的为，所述的干衣机还包括第三气室，第三气室安装于外筒底部，吹风方向向上。
进一步的为，所述的第一气室和第二气室分别位于外筒的前后端，第三气室设于中间。
进一步的为，各气室的进风管路上设有单向阀；各气室通过同一气流分配阀与风道连通，由气流分配阀控制气室的出风，或者，各气室分别与风道连通，每个气室一一对应设有开启控制阀。
进一步的为，所述的气室包括一进气口和一敞口，敞口上安装有一通气盖板，通气盖板上均匀分布有多个通气孔。
本发明所述滚筒干衣机的干衣方法，各气室对应外筒轴向前后分布，根据各气室的分布顺序，控制内筒的转动方向使得在不同的干衣阶段对应内筒前后的不同位置干衣。
进一步的为，至少包括两个阶段，烘干前期和烘干后期，对应外筒左侧进风设置的气室还位于外筒后端，对应外筒右侧进风设置的气室还位于外筒前端，烘干前期，控制滚筒逆时针转动或大部分时间逆时针转动，对应左侧衣物为降下过程，开启左侧气室进风，右侧气室关闭；烘干后期，控制滚筒顺时针转动或大部分时间顺时针转动，对应右侧衣物为降下过程，开启右侧气室进风，左侧气室关闭。该控制方式使得在不同阶段在不同的位置进气，避免局部衣物持续干燥使得衣物纤维由于过干而失去弹性，易于折断，造成衣物磨损。
进一步的为，对应外筒的正下方中间位置设有下气室，下气室在烘干前后期配合左右侧气室一起进风干衣；或者，增加一烘干中期，在烘干中期下气室开启，左右侧气室关闭。
本发明根据气室在外筒轴向和圆周方向的位置分布与衣物随内筒转动升降开启对应气室 的规律配合控制滚筒转动方向、转动时间实现快速、均匀的干衣。
本发明滚筒干衣机，包括内筒、外筒和第一干衣系统，第一干衣系统由外筒前/后进风干衣，还包括第二干衣系统，第二干衣系统包括至少两个由外筒侧壁向筒内吹热风的气室，各气室分别对应内筒正反转时提升衣物的一侧设置，各气室独立控制进热风，根据内筒的正反转切换两侧气室的启闭。
进一步的为，所述的第一干衣系统为主干衣系统，第二干衣系统为辅助干衣系统，干衣过程，第二干衣系统控制启闭各气室配合第一干衣系统完成干衣。
进一步的为，各气室按照外筒轴向前后顺序分布。
进一步的为，各气室按照外筒圆周方向分布。
进一步的为，根据干衣时间和/或检测外筒内的温度和/或检测衣物的湿度控制各气室的开闭。
进一步的为，所述的第二干衣系统包括第一气室和第二气室，两气室分别位于外筒的左、右两侧，对应内筒正反转动带动衣物提升和落下的路径，干衣时，内筒正反转，切换两气室的启闭，满足：对应衣物提升一侧路径的气室开启，另一侧的气室关闭。
进一步的为，所述的第二干衣系统包括第三气室，第三气室安装于外筒底部，吹风方向向上。
进一步的为，所述的第一气室和第二气室分别位于外筒的前后端。
进一步的为，各气室的进风管路上设有单向阀；各气室通过同一气流分配阀与风道连通，由气流分配阀控制气室的出风，或者，各气室分别与风道连通，每个气室一一对应设有开启控制阀。
进一步的为，所述的第二干衣系统和第一干衣系统使用同一加热装置，通过风道分流至第一干衣系统和第二干衣系统，或者，第二干衣系统和第一干衣系统分别对应一加热装置。
进一步的为，所述的气室包括一进气口和一敞口，敞口上安装有一通气盖板，通气盖板上均匀分布有多个通气孔。
进一步的为，根据干衣时间和/或检测外筒内的温度和/或检测衣物的湿度判断各气室是否开闭，从而控制内筒的转动方向以开闭对应的气室。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果。
本发明所述的滚筒干衣机，改进了干衣的进风方式，从外筒侧壁进风，替换了现有滚筒干衣机的前或后进风方式；从不同位置的气室进热风，增加了进热风的方式，实现干衣位置的可控性；通过控制滚筒的转动方向和对应气室配合启闭，增强了干衣效果，使得干衣较为均匀；另外通过阶段性外筒轴向前后进风干衣，也缩短了干衣时间，增强了干衣均匀效果；在衣物落下过程均匀干衣，蓬松感强，不伤衣物，衣物不易起褶皱，克服了单一前或后进风方式导致的加热不均匀和干燥时间长的问题。
实验表明，采用本发明所述的干衣机，根据不同的负载，能够节省10％-30％的时间，尤其对于大容量干衣机时，根据衣料不同，能够节省时间10-30分钟；本发明的上述改进能够提高20％左右的干衣效率，干衣均匀且相对减少了衣物纤维的损害。
特别是，在现有前后进风干衣系统的基础上，增加了辅助干衣系统，从外筒侧壁进风；从不同位置的气室进热风，增加了进热风的方式，实现干衣位置的可控性；通过控制滚筒的转动方向和对应气室配合启闭，增强了干衣效果，使得干衣较为均匀；另外通过阶段性外筒轴向前后进风干衣，也缩短了干衣时间，增强了干衣均匀效果；在衣物上升过程，衣物紧贴内筒，由外筒周壁送热风不影响内筒原风路，热风加热内筒壁从而干燥紧贴内筒壁的衣物，多个角度干衣，蓬松感强，不伤衣物，衣物不易起褶皱，克服了单一前或后进风方式导致的加热不均匀和干燥时间长的问题。
附图说明
图1是现有加热管干衣机结构示意图；
图2是现有热泵干衣机结构示意图；
图3和图4是本发明干衣机不同风路的结构示意图；
图5是本发明气室与外筒安装结构示意图；
图6是本发明气室结构示意图；
图7是本发明通气盖板结构示意图；
图8至图10是本发明气室与外筒安装结构的不同实施方式示意图；
图11是本发明气室轴向安装于外筒上的结构示意图；
图12和图13是本发明另一滚筒干衣机第二干衣系统配合不同的第一干衣系统的结构示意图；
图14和图15是本发明另一滚筒干衣机气室与外筒安装结构的不同实施方式示意图。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步详细的描述。
如图3和图4所示，本发明干衣机包括现有干衣机的箱体1、设于箱体内的外筒2、可转动的设于外筒内的内筒3、加热送风装置4、风道、驱动内筒转动的驱动装置及其它控制结构等(未示出)，加热送风装置4包括加热单元和送风单元，加热单元可采用电加热器结构或热泵结构，用于对风道内的空气进行加热的作用，送风单元为气泵或风机，用于将加热的空气送入外筒或将外筒内与衣物热交换后的湿热气体抽出。除上述现有结构外，本发明还包括至少两个气室5，设于外筒2周壁上，向筒内送热风，与风道连通，每个气室5独立启闭送热风，各气室5对应内筒3转动带动衣物升降的两侧分别设置，根据内筒3的转动方向切换控制一侧气室5开启送风，另一侧气室停止送风。具体为，干衣时根据内筒的转动方向，控制气室吹风方向对应衣物落下的一侧开启送风，上升一侧关闭送风，由于内筒转动正反方向变化导致衣物升降侧也发生变化，因此，控制气室启闭对应转动方向切换。但是，上述规律并不是固定的，也可以是对应衣物提升的一侧开启送风，另一侧关闭。
本发明所述的各气室并非必须位于外筒的同一圆周断面上，各气室还可按照外筒轴向的前后顺序分布，根据干衣时间和/或检测外筒内的温度和/或检测衣物的湿度控制各气室的开闭和内筒的转动方向，能够更好的减少对衣物纤维的伤害、实现快速均匀干衣。
本发明滚筒干衣用的加热单元采用加热器或热泵系统或者其它如太阳能加热结构，风路采用内部冷凝循环加热结构或采用干衣后的湿热空气排到外界的结构(参阅图3和图4)。如图4所示，当干衣机采用内部冷凝循环加热结构，则设有冷凝单元10，如图3所示，当采用将干衣后的湿热空气排到外界的结构，则外筒2还设有排气口11。
实施例一
如图5和图8所示，本实施例所述的干衣机包括第一气室51和第二气室52，第一气室51位于外筒2的左侧，第二气室52位于外筒2的右侧，左、右侧是相对于用户正对干衣机的衣物投放口而言，送风方向分别对应内筒转动带动衣物提升和落下的路径，即，内筒切换正反转，无论是第一气室51还是第二气室52，均对应衣物提升和落下的路径。
干衣过程，内筒3正转时，即顺时针转动，衣物在内筒3左侧提升，在内筒3右侧落下，此时，对应衣物落下一侧路径送风的第二气室52开启，另一侧的第一气室51关闭(参阅图9)；反之，在内筒3反正时，即逆时针转动，衣物在内筒3右侧提升，在内筒3左侧落下， 此时，对应衣物落下一侧路径送风的第一气室51开启，另一侧的第二气室52关闭(参阅图5)；对应内筒3的正反转，反复切换第一气室51和第二气室52的启闭。
实施例二
如图5和图8所示，本实施例干衣机在实施例一的基础上进一步的设有第三气室53，第三气室53安装于外筒2底部，即正下方，吹风方向向上。无论内筒3正转还是反转，衣物始终落在下部并从下部向上提升，衣物每次翻滚摔落的角度都不同，因此第三气室53可以长时间连续或间歇性地开启送热风，能够更好的节约干衣时间。
实施例三
如图11所示，本实施例所述的干衣机在实施例一的基础上进一步改进，所述的第一气室51位于外筒2的左侧、轴向方向后端，与衣物投放口6相反的一端；第二气室52位于外筒2的右侧、轴向方向前端，靠近衣物投放口6的一端；两个气室在轴向上覆盖至少60％的区域。干衣过程，切换内筒的正反转，对应衣物的升降开启/关闭第一气室、第二气室，实现在外筒的前后端部，由外筒侧壁进风干衣，干衣均匀且不伤衣物，且能减少干衣时间。
进一步的，结合实施例二，外筒上设有的第三气室53位于外筒2底部、轴向方向中间位置，即，在外筒2轴向方向上，第三气室53位于第一气室51和第二气室52之间的位置，三个气室在轴向上覆盖至少80％的区域，或者完全覆盖。内筒正反转时，第一气室和第二气室根据转动方向带动衣物升降控制两气室的启闭，第三气室可以长时间连续或间歇性地开启送热风。
本实施例第一气室和第二气室的设置位置左侧后端或右侧前端并不是固定的，也可以设置为左侧前端、右侧后端，或者第三气室在前、后端，第一气室或第二气室在中间等等位置结构。
实施例四
如图5和图11所示，在实施例三的基础上，烘干初期，干衣机内筒3逆时针旋转或大部分时间为逆时针旋转，内筒3旋转带动衣物翻滚，衣物在内筒3左侧落下右侧升起，右侧衣物处于堆积状态，第一气室51开启、第二气室52关闭，从靠近外筒2左侧后端进风，这样内筒3后侧的会快速干燥。如图9和图11所示，在烘干后期，干衣机内筒3顺时针旋转或大部分时间为顺时针旋转，内筒3旋转带动衣物翻滚，在内筒3右侧落下，左侧衣物处于堆积状态，此时，第二气室52开启、第一气室51关闭，从靠近外筒2右侧前端进风，集中对内筒3前侧的衣物进行干燥。该控制方式使得在不同阶段在不同的位置进气，避免局部衣物持 续干燥使得衣物纤维由于过干而失去弹性，易于折断，造成衣物磨损。
进一步的，可增加烘干中期时段，调整内筒正反旋转的时间比例，控制第一气室51和第二气室52的启闭切换；或者，在烘干中期第三气室53开启，左右侧的第一气室51和第二气室52关闭；或者，烘干中期，第三气室53分别配合第一气室51和第二气室52送风干衣。
干衣时间分段是可以按照现有干衣过程的温度上升阶段，温度平稳阶段和温度二次上升阶段作为分隔，或者根据检测的湿度、温度变化分隔。例如：在初期，干衣的热量促使温度快速上升到大约50℃；之后温度上升的速率趋于缓慢平稳，这个阶段是水汽蒸发最多的时期，热量被水分吸收蒸发，而筒内温度上升比较缓慢；在最后阶段，筒内只有少量水分，筒内温度上升速率会再次急剧提高，这个时候意味着干燥接近结束。
如图12至图15所示，为本发明另一滚筒干衣机中的结构示意图；该滚筒干衣机包括现有干衣机的箱体1、设于箱体内的外筒2、可转动的设于外筒内的内筒3、加热送风装置4、冷凝单元10、风道11、驱动内筒转动的驱动装置及其它控制结构等(未示出)，加热送风装置4包括加热单元41和送风单元42，加热单元41可采用电加热器结构或热泵系统的冷凝器结构，用于对风道11内的空气进行加热的作用，送风单元42为气泵或风机，用于将加热的空气送入外筒2或将外筒2内与衣物热交换后的湿热气体抽出。上述现有结构的前后进出风干衣系统属于本发明的第一干衣系统，除上述现有结构外，本发明还设有第二干衣系统，其中第一干衣系统为主干衣系统，第二干衣系统为辅助干衣系统，第二干衣系统包括至少两个气室5，设于外筒2周壁上，向筒内送热风，与风道连通，每个气室5独立启闭送热风，各气室5对应内筒3转动带动衣物升降的两侧分别设置，干衣过程，第二干衣系统控制启闭各气室配合第一干衣系统完成干衣，根据内筒3的转动方向切换控制一侧气室5开启送风，另一侧气室停止送风。具体为，干衣时根据内筒的转动方向，控制气室吹风方向对应衣物提升的一侧开启送风，下降一侧关闭送风，由于内筒转动正反方向变化导致衣物升降侧也发生变化，因此，控制气室启闭对应转动方向切换。但是，上述规律并不是固定的，也可以是对应衣物落下的一侧开启送风，另一侧关闭。
该滚筒干衣机干衣用的加热单元除了采用加热器或热泵系统，也可以使用其它如太阳能加热结构，风路采用内部冷凝循环加热结构(参阅图12和图13)。还可以采用将干衣后的湿热空气排到外界的风路结构。
实施例五
如图15所示，本实施例所述的第二干衣系统包括第一气室51和第二气室52，第一气室51位于外筒2的左侧，第二气室52位于外筒2的右侧，左、右侧是相对于用户正对干衣机 的衣物投放口而言，送风方向分别对应内筒转动带动衣物提升和落下的路径，即，内筒切换正反转，无论是第一气室51还是第二气室52，均对应衣物提升和落下的路径。
干衣过程，内筒3正转时，即顺时针转动，衣物在内筒3左侧提升，在内筒3右侧落下，此时，对应衣物上升一侧路径送风的第一气室51开启，另一侧的第二气室52关闭(参阅图15)；反之，在内筒3反转时，即逆时针转动，衣物在内筒3右侧提升，在内筒3左侧落下，此时，对应衣物上升一侧路径送风的第二气室52开启，另一侧的第一气室51关闭(参阅图14)；对应内筒3的正反转，反复切换第一气室51和第二气室52的启闭。
实施例六
如图14所示，本实施例干衣机在实施例五的基础上进一步的还设有第三气室53(参阅图8)，第三气室53安装于外筒2底部，即正下方，吹风方向向上。无论内筒3正转还是反转，衣物始终落在下部并从下部向上提升，衣物每次翻滚摔落的角度都不同，因此第三气室53可以长时间连续或间歇性地开启送热风，能够更好的节约干衣时间。
实施例七
如图12和图13所示，本实施例所述的干衣机在实施例五的基础上进一步改进，所述的第一气室51位于外筒2的左侧、轴向方向后端，与衣物投放口6相反的一端；第二气室52位于外筒2的右侧、轴向方向前端，靠近衣物投放口6的一端；两个气室在轴向上覆盖至少60％的区域。干衣过程，切换内筒的正反转，对应衣物的升降开启/关闭第一气室、第二气室，实现在外筒的前、后端部，由外筒侧壁进风干衣，干衣均匀且不伤衣物，且能减少干衣时间。
进一步的，结合实施例六，外筒上设有的第三气室53位于外筒2底部、轴向方向中间位置，即，在外筒2轴向方向上，第三气室53位于第一气室51和第二气室52之间的位置，三个气室在轴向上覆盖至少80％的区域，或者完全覆盖。内筒正反转时，第一气室和第二气室根据转动方向带动衣物升降控制两气室的启闭，第三气室可以长时间连续或间歇性地开启送热风。
本实施例第一气室和第二气室的设置位置左侧后端或右侧前端并不是固定的，也可以设置为左侧前端、右侧后端，或者第三气室在前、后端，第一气室或第二气室在中间等等位置结构。
实施例八
如图12至图14所示，在实施例七的基础上，烘干初期，干衣机内筒3顺时针旋转或大部分时间为顺时针旋转(参阅图15)，内筒3旋转带动衣物翻滚，衣物在内筒3右侧落下、 左侧升起，左侧衣物处于堆积状态，第一气室51开启、第二气室52关闭，从靠近外筒2左侧后端进风，这样内筒3后侧的会快速干燥。如图14所示，在烘干后期，干衣机内筒3逆时针旋转或大部分时间为逆时针旋转，内筒3旋转带动衣物翻滚，衣物在内筒3左侧落下、右侧升起，右侧衣物处于堆积状态，此时，第二气室52开启、第一气室51关闭，从靠近外筒2右侧前端进风，集中对内筒3前侧的衣物进行干燥。该控制方式配合第一干衣系统，全方位的干衣，避免局部衣物持续干燥使得衣物纤维由于过干而失去弹性，易于折断，造成衣物磨损。
进一步的，可增加烘干中期时段，调整内筒正反旋转的时间比例，控制第一气室51和第二气室52的启闭切换；或者，在烘干中期第三气室53开启，左右侧的第一气室51和第二气室52关闭；或者，烘干中期，第三气室53分别配合第一气室51和第二气室52送风干衣。
干衣时间分段是可以按照现有干衣过程的温度上升阶段，温度平稳阶段和温度二次上升阶段作为分隔，或者根据检测的湿度、温度变化分隔。例如：在初期，干衣的热量促使温度快速上升到大约50℃；之后温度上升的速率趋于缓慢平稳，这个阶段是水汽蒸发最多的时期，热量被水分吸收蒸发，而筒内温度上升比较缓慢；在最后阶段，筒内只有少量水分，筒内温度上升速率会再次急剧提高，这个时候意味着干燥接近结束。
实施例九
如图3至图5及图14所示，本发明上述两种滚筒干衣机包括洗干一体机的干衣结构，各气室5的进风管路7上设有单向阀8，单向阀8可以阻止水流进入加热单元中，或者防止洗干一体机洗衣时洗涤水泄漏；各气室5通过同一气流分配阀9与风道连通，由气流分配阀9控制各气室通风的启闭，或者，各气室分别与风道连通，每个气室一一对应设有开启控制阀。
如图8至图10所示，本发明上述两种滚筒干衣机设置气室5的个数不知上述的两个或三个，还可以设四个或五个等等，不仅在外筒圆周方向可以增加，在轴向方向也可以增加。
如图6和图7所示，上述气室5包括一进气口54和一敞口55，敞口55上安装有一通气盖板56，通气盖板56上均匀分布有多个通气孔57，进风均匀，不形成紊流。
上述实施例中的实施方案可以进一步组合或者替换，且实施例仅仅是对本发明的优选实施例进行描述，并非对本发明的构思和范围进行限定，在不脱离本发明设计思想的前提下，本领域中专业技术人员对本发明的技术方案作出的各种变化和改进，均属于本发明的保护范围。

Claims (21)

  1. 一种滚筒干衣机，包括内筒、外筒、加热送风装置和风道，其特征在于：还包括至少两个由外筒侧壁向筒内吹热风的气室，各气室与风道连通，独立控制启闭，各气室对应内筒转动带动衣物升降的两侧分别设置，根据内筒的转动方向切换控制一侧气室开启送风，另一侧停止送风。
  2. 根据权利要求1所述的一种滚筒干衣机，其特征在于：各气室按照外筒轴向前后顺序分布。
  3. 根据权利要求2所述的一种滚筒干衣机，其特征在于：根据干衣时间和/或检测外筒内的温度和/或检测衣物的湿度控制各气室的开闭和内筒的转动方向。
  4. 根据权利要求1所述的一种滚筒干衣机，其特征在于：对应内筒带动衣物上升、落下的侧部分别设置至少一气室，对应内筒的正反转切换两侧气室的启闭。
  5. 根据权利要求4所述的一种滚筒干衣机，其特征在于：所述干衣机包括第一气室和第二气室，两气室分别位于外筒的左、右两侧，送风方向分别对应内筒转动带动衣物提升和落下的路径，干衣时，内筒正反转，切换两气室的启闭，满足：对应衣物落下一侧路径送风的气室开启，另一侧的气室关闭。
  6. 根据权利要求5所述的一种滚筒干衣机，其特征在于：所述干衣机还包括第三气室，第三气室安装于外筒底部，吹风方向向上。
  7. 根据权利要求6所述的一种滚筒干衣机，其特征在于：所述的第一气室和第二气室分别位于外筒的前后端，第三气室设于中间。
  8. 根据权利要求1所述的一种滚筒干衣机，其特征在于：各气室的进风管路上设有单向阀；各气室通过同一气流分配阀与风道连通，由气流分配阀控制气室的出风，或者，各气室分别与风道连通，每个气室一一对应设有开启控制阀。
  9. 根据权利要求1所述的一种滚筒干衣机，其特征在于：所述的气室包括一进气口和一敞口，敞口上安装有一通气盖板，通气盖板上均匀分布有多个通气孔。
  10. 一种如权利要求1-9任一所述滚筒干衣机的干衣方法，其特征在于：各气室对应外筒轴向前后分布，根据各气室的分布顺序，控制内筒的转动方向使得在不同的干衣阶段对应内筒前后的不同位置送风干衣。
  11. 根据权利要求10所述的干衣方法，其特征在于：至少包括两个阶段，烘干前期和烘干后期，对应外筒左侧进风设置的气室还位于外筒后端，对应外筒右侧进风设置的气室还位于外筒前端，烘干前期，控制滚筒逆时针转动或大部分时间逆时针转动，对应左侧衣物为降下过程，开启左侧气室进风，右侧气室关闭；烘干后期，控制滚筒顺时针转动或大 部分时间顺时针转动，对应右侧衣物为降下过程，开启右侧气室进风，左侧气室关闭。
  12. 根据权利要求11所述的干衣方法，其特征在于：对应外筒的正下方中间位置设有下气室，下气室在烘干前后期配合左右侧气室一起进风干衣；或者，增加一烘干中期，在烘干中期下气室开启，左右侧气室关闭。
  13. 一种滚筒干衣机，包括内筒、外筒和第一干衣系统，第一干衣系统由外筒前/后进风干衣，其特征在于：还包括第二干衣系统，第二干衣系统包括至少两个由外筒侧壁向筒内吹热风的气室，各气室分别对应内筒正反转时提升衣物的一侧设置，各气室独立控制进热风，根据内筒的正反转切换两侧气室的启闭。
  14. 根据权利要求13所述的一种滚筒干衣机，其特征在于：所述的第一干衣系统为主干衣系统，第二干衣系统为辅助干衣系统，干衣过程，第二干衣系统控制启闭各气室配合第一干衣系统完成干衣。
  15. 根据权利要求13所述的一种滚筒干衣机，其特征在于：各气室按照外筒轴向前后顺序分布。
  16. 根据权利要求13或15所述的一种滚筒干衣机，其特征在于：各气室按照外筒圆周方向分布。
  17. 根据权利要求13所述的一种滚筒干衣机，其特征在于：所述的第二干衣系统包括第一气室和第二气室，两气室分别位于外筒的左、右两侧，对应内筒正反转动带动衣物提升和落下的路径，干衣时，内筒正反转，切换两气室的启闭，满足：对应衣物提升一侧路径的气室开启，另一侧的气室关闭。
  18. 根据权利要求17所述的一种滚筒干衣机，其特征在于：所述的第二干衣系统包括第三气室，第三气室安装于外筒底部，吹风方向向上。
  19. 根据权利要求17所述的一种滚筒干衣机，其特征在于：所述的第一气室和第二气室分别位于外筒的前后端。
  20. 根据权利要求13所述的一种滚筒干衣机，其特征在于：各气室的进风管路上设有单向阀；各气室通过同一气流分配阀与风道连通，由气流分配阀控制气室的出风，或者，各气室分别与风道连通，每个气室一一对应设有开启控制阀。
  21. 根据权利要求13所述的一种滚筒干衣机，其特征在于：所述的第二干衣系统和第一干衣系统使用同一加热装置，通过风道分流至第一干衣系统和第二干衣系统，或者，第二干衣系统和第一干衣系统分别对应一加热装置。
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