CN114561786A - Clothes treating device - Google Patents

Abstract

The invention provides a clothes treating apparatus. The clothes treatment device comprises a shell, a rotary drum arranged in the shell, a radio frequency heating module and a main drying system. The peripheral wall of the drum is provided with a clothes taking and placing opening which can be opened and closed; the drum is arranged so as to have a retracted state retracted inside the casing and an extended state at least partially outside the casing, and in the extended state, so that part or all of the laundry access opening is located outside the casing. The main drying system is configured to enable drying air flow to enter the drum from one end of the drum, and the radio frequency heating module is arranged at one end or two ends of the drum to heat clothes of the drum. The radio frequency heating is applied to the clothes processing device with the clothes drying function, so that the advantages of the radio frequency drying and heating are fully utilized. The radio frequency heating module is added, and the main drying system is combined, so that the temperature in the drum is increased, the drying time is shortened, and the drying efficiency is improved.

Description

Clothes treating device

Technical Field

The invention relates to the technical field of clothes treatment, in particular to a clothes treatment device with a clothes drying function.

Background

With the progress of technology and the improvement of living standard, clothes dryers are gradually widely used by people. The dryer has the function of enabling high-temperature air flow to flow through clothes to be dried, taking away moisture in the clothes and enabling the clothes to be dried quickly. The clothes dryer comprises a shell, a roller and a support, wherein the roller and the support are arranged in the shell, and the roller is horizontally arranged. The existing clothes dryer is provided with the following air circulation channels: the hot air heated by the heating device is sent into the drying chamber with clothes from the air inlet at the rear part of the roller through the circulating channel, the moisture absorption air deprived of moisture from the clothes is sent back to the condensing device from the air outlet at the front part for dehumidification, and the dehumidified air is heated by the heating device again and sent into the roller.

Radio frequency heating drying is a new heating drying mode, and compared with the traditional drying mode, the radio frequency heating drying method has the characteristics of short drying time, low drying temperature, convenience in protecting fibers from aging, high drying uniformity and the like. However, radio frequency heating drying is not practically applied in the field of clothes drying.

In addition, manufacturers are continuously developing improved designs of the external appearance and internal structure of the dryer in an attempt to increase various functions to meet the demands of the market. However, nowadays, the user must bend down to take and put in the clothes, which is laborious and inconvenient to operate.

Disclosure of Invention

The present invention is directed to overcoming at least one of the disadvantages of the conventional laundry treating apparatus and providing a novel laundry treating apparatus capable of drying laundry using radio frequency heating.

The clothes treatment device has a clothes drying function, and comprises a shell, a rotary drum arranged in the shell, and a radio frequency heating module, wherein the rotary drum is used for placing clothes to be dried, and the radio frequency heating module is arranged at one end or two ends of the rotary drum to heat the clothes in the rotary drum.

Optionally, an openable and closable clothes taking and placing opening is arranged on the peripheral wall of the drum; the drum is arranged so as to have a retracted state retracted within the casing and an extended state at least partially outside the casing, and in the extended state, so that part or all of the laundry access opening is located outside the casing.

Optionally, the drum is arranged such that it is allowed to be slidably disposed within the housing in an axial direction thereof to transition between its retracted state and its extended state.

Optionally, the laundry treatment apparatus further comprises a primary drying system configured to cause a drying airflow to enter the drum from one end of the drum.

Optionally, the radio frequency heating module comprises a first radio frequency electrode plate and a second radio frequency electrode plate; the first radio frequency electrode plate is perpendicular to the axis of the roller and arranged at one end of the roller, and the second radio frequency electrode plate is perpendicular to the axis of the roller and arranged at the other end of the roller.

Optionally, the radio frequency heating module comprises one or more first radio frequency antennas, and the first radio frequency antennas are arranged on an end cover at one end of the roller; and/or the presence of a gas in the gas,

the radio frequency heating module comprises one or more second radio frequency antennas, and the second radio frequency antennas are arranged on an end cover at the other end of the roller.

Optionally, an end cover at the other end of the drum is provided with an annular structure coaxial with the drum, one or more air outlet portions sequentially arranged in the circumferential direction of the drum are arranged on the circumferential wall of the inner side of the annular structure or on the end surface facing the inside of the drum, and each air outlet portion is communicated with the space in the drum so as to discharge the drying airflow to the outside of the drum.

Optionally, the laundry treating apparatus further comprises an auxiliary condensing device;

the main drying system comprises a condensing part, a heating part, a main fan and an air pipe system for limiting a drying air channel; the air pipe system is configured to guide the drying air flow, so that the drying air flow flows out from the other end of the roller under the action of the main fan, sequentially flows through the condensing part and the heating part, and then circularly enters the roller from one end of the roller;

the auxiliary condensing device exchanges heat with the condensing part to cool the condensing part.

Optionally, the auxiliary condensing device comprises a liquid cooling part, a liquid cooling box, a liquid cooling fan and a liquid cooling pump,

the liquid cooling part is arranged on the condensing part to contact with the condensing part for heat exchange; the liquid cooling box stores condensate liquid and is provided with a liquid cooling air channel; the liquid cooling fan is configured to promote airflow through the liquid cooling air duct to cool condensate in the liquid cooling box;

the outlet of the liquid cooling part is communicated with the liquid cooling box through an outlet pipe, the inlet of the liquid cooling part is communicated with the liquid cooling box through an inlet pipe, and the liquid cooling pump is arranged on the inlet pipe or the outlet pipe.

Optionally, the laundry processing apparatus further includes a semiconductor refrigeration and heating module, the semiconductor refrigeration and heating module includes a refrigeration end and a heating end, and the drying airflow flows through the condensation portion, the refrigeration end and the heating end in sequence, and then flows to the heating portion under the action of the main blower and the air duct system;

the semiconductor refrigerating and heating module also comprises a semiconductor refrigerating piece;

the refrigerating end comprises a cold end face of the semiconductor refrigerating sheet and a cold transfer device arranged on the cold end face, and the cold transfer device is provided with cold transfer fins;

the heating end comprises a hot end face of the semiconductor refrigeration piece and a heat transfer device arranged on the hot end face, and the heat transfer device is provided with heat transfer fins.

In the clothes treatment device, the radio frequency heating is applied to the clothes treatment device with the clothes drying function, so that the advantages of the radio frequency drying and heating are fully utilized.

Furthermore, in the clothes processing device, the radio frequency heating module is added on the basis of the existing clothes dryer, and the main drying system is combined, so that the temperature in the drum is increased, the drying time is shortened, and the drying efficiency is improved.

Moreover, the inventor of the present invention finds that, in the existing ordinary clothes dryer, a hot air inlet is generally arranged at the rear part of the clothes dryer, and hot air flows from back to front in the drum, so that the temperature at the rear part of the drum is obviously higher than that at the front part, and the temperature difference is large, therefore, clothes at the front part of the drum are dried slowly, and the drying efficiency is low. The radio frequency heating module can solve the problems that the temperature difference is large around the inside of the roller and the front clothes are not easy to dry, can realize uniform heating, improves the drying efficiency and has strong practicability. That is to say, this application compares in current ordinary dryer, can improve the anterior stoving temperature of cylinder, consequently is showing and is improving drying efficiency, and can realize the even stoving of clothing in the cylinder, promotes clothing processing apparatus drying efficiency.

Furthermore, in the clothes processing device, the roller which can be extended out or retracted in the device is arranged, so that clothes can be taken and placed when the roller is extended out, and the drying operation is carried out after the roller is retracted, so that the problem that the user can take and place the clothes only by bending down can be solved, the user can take and place the clothes conveniently, and the intelligent degree is high.

Further, the laundry treating apparatus of the present invention may be a clothes dryer or a washing and drying all-in-one machine.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a laundry treating apparatus according to one embodiment of the present invention;

fig. 2 is a schematic structural view of a laundry treating apparatus according to one embodiment of the present invention;

FIG. 3 is a schematic block diagram of a drum of the laundry treating apparatus shown in FIG. 1 in an extended state;

fig. 4 is a schematic front view of a laundry treating apparatus according to one embodiment of the present invention;

fig. 5 is a schematic partial structure view of a laundry treating apparatus according to one embodiment of the present invention;

fig. 6 is a schematic structural view of a laundry treating apparatus according to one embodiment of the present invention;

FIG. 7 is a schematic structural view of a drum of the laundry treating apparatus shown in FIG. 6 in an extended state;

fig. 8 is a schematic structural view of a laundry treating apparatus according to one embodiment of the present invention;

FIG. 9 is a schematic structural view of a drum of the laundry treating apparatus shown in FIG. 8 in an extended state;

fig. 10 is a schematic structural view of a laundry treating apparatus according to one embodiment of the present invention;

FIG. 11 is a schematic configuration view of a drum of the laundry treating apparatus shown in FIG. 10 in an extended state;

fig. 12 is a schematic structural view of a first coupling structure in a laundry treating apparatus according to one embodiment of the present invention;

fig. 13 is a schematic configuration view of a second coupling structure in a laundry treating apparatus according to one embodiment of the present invention;

fig. 14 is a schematic structural view of a second coupling structure in a laundry treating apparatus according to one embodiment of the present invention;

fig. 15 is a schematic structural view of a condensing part and an auxiliary condensing device in a laundry treating apparatus according to one embodiment of the present invention;

fig. 16 is a schematic structural view of a condensing part and an auxiliary condensing device in a laundry treating apparatus according to one embodiment of the present invention.

Detailed Description

Fig. 1 is a schematic structural view of a laundry treating apparatus according to one embodiment of the present invention. As shown in fig. 1 and referring to fig. 2 to 16, an embodiment of the present invention provides a laundry treating apparatus.

The laundry treating apparatus includes a housing 20, a drum 21, a pedestal, and a radio frequency heating module 40. Wherein the drum 21 and the pedestal are disposed within the housing 20. The case 20 is an outer case of the laundry treating apparatus for protecting and accommodating internal components of the laundry treating apparatus, and additionally, may beautify the appearance of the laundry treating apparatus. The casing 20 may further be provided with a display device and an operation device, wherein the display device may be a display screen, an indicator light, and the like, and is used for displaying the working state of the clothes treatment device; the manipulation device includes, but is not limited to, buttons, knobs, and a touch display screen for a user to manipulate or set the laundry treating device. The holder may be used to support the housing 20, mount the drum 21, and the like. The drum 21 may be horizontally disposed and used for housing and drying laundry, i.e., the drum 21 is used for placing laundry to be dried. Both ends of the drum 21 may be provided with end caps. Preferably, the drum 21 extends in the front-rear direction, and the front end cover of the drum 21 may be a front end cover 24 and the rear end cover may be a rear end cover. The rf heating module 40 is disposed at one end or both ends of the drum 21 to heat the laundry of the drum 21. For example, the rf heating module 40 may be disposed on the front end cover 24 or the rear end cover of the drum 21, but may be disposed at other positions of the front end and the rear end of the drum 21. In the clothes treatment device provided by the embodiment of the invention, the radio frequency heating is applied to the clothes treatment device with the clothes drying function, so that the advantages of the radio frequency drying and heating are fully utilized.

In some embodiments of the present invention, the laundry treating apparatus further includes a main drying system. The primary drying system is configured to cause a drying air flow to enter the drum 21 from one end of the drum 21, preferably, to cause a drying air flow to enter the drum 21 from the rear end of the drum 21. In the clothes treatment device, the radio frequency heating module 40 is arranged, and the clothes treatment device is combined with the main drying system, so that the drying efficiency is improved, and the clothes treatment device is high in practicability. Further, the two ends in the drum 21 have the drying temperature close to each other as much as possible, and uniform heating is realized. Further, as shown in fig. 1, the main drying system is a heat circulation system configured to allow the drying air flow to flow out from the front end of the drum 21, to be condensed and then heated, and to circulate into the drum 21 from the rear end of the drum 21.

Preferably, the heat cycle system may include a condensing part 82, a heating part 83, a main fan 84, and a duct system. The rear end cover may include a hot air hood 81, the hot air hood 81 is coaxially disposed with the drum 21, the hot air hood 81 is rotatably disposed at the rear end of the drum 21 to supply hot air into the drum 21, and in this embodiment, the hot air hood 81 is directly used for blocking to prevent the laundry from coming out of the rear end of the drum 21. In other alternative embodiments of the present invention, the rear cover further comprises a cover plate fixedly disposed at the rear end of the drum 21, the cover plate is provided with a plurality of ventilation holes, and the hot air cover 81 covers the cover plate.

The air duct system is configured to direct the drying air flow such that the drying air flow flows out from the front end of the drum 21 through the condensing portion 82, the heating portion 83, and into the hot air hood 81 in order under the action of the main fan 84, and then circulates into the drum 21 from the rear end of the drum 21. The heat cycle system serves to dry the laundry of the drum 21. The air inlet of the air duct system can be communicated with the lower side or the peripheral side of the front end of the roller 21. Preferably, the air inlet of the air duct system may be communicated with the circumferential side of the front end of the drum 21, and is an annular air outlet structure of the drum, and the annular air outlet structure is coaxial with the drum 21 and is disposed at the front end of the drum 21, so that the drying air flow flows out of the drum 21 from the front end of the drum 21 through the annular air outlet structure.

For example, the annular air outlet structure includes a plurality of air outlet portions, and the plurality of air outlet portions are uniformly distributed along the circumferential direction of the drum 21. Be provided with the coaxial loop configuration with cylinder 21 on the front end housing 24, a plurality of air-out portions set up on the inboard perisporium of loop configuration or on the rear end face, every air-out portion includes air-out hole or a plurality of air-out hole that set gradually along the circumferential direction of cylinder 21 that set gradually along the fore-and-aft direction, and every air-out hole can extend along the circumferential direction of cylinder 21, and communicates with the inner space of cylinder 21. In some alternative embodiments, the annular air outlet structure is an air outlet ring coaxial with the drum 21, that is, a plurality of air outlet portions of the annular air outlet structure are sequentially connected together. An observation window can be arranged on the front end cover 24, and the annular air outlet structure can be located on the periphery of the observation window. Alternatively, in some embodiments, only the lower portion of the inner peripheral wall of the ring structure or the lower portion of the rear end face is provided with the air outlet portion to flow out the drying air flow from the lower portion of the front end of the drum 21.

Furthermore, an annular air duct is arranged in the annular structure, and the annular air duct forms an air inlet end of the air pipe system. Preferably, the plurality of air outlet portions are arranged on the inner side peripheral wall of the annular structure, the guide ring is arranged on the rear end face of the annular structure, and the guide ring and the inner side peripheral wall of the annular structure are located on the same cylindrical surface.

The annular air outlet structure can change the airflow field of the drying airflow in the roller, so that the drying temperature in the roller is reasonably distributed as far as possible, uniform and rapid heating is realized as far as possible, the drying efficiency is improved, and the practicability is high. Furthermore, the axes of the air outlet holes and the axis of the roller 21 are in the same plane and are vertically arranged, so that the airflow field of the drying airflow in the roller can be reasonably arranged. The axes of the air outlet holes and the axis of the roller 21 can be crossed at other angles. That is to say, the axis of each region for air-out of the annular air-out structure and the axis of the drum are on the same plane and are arranged in a crossed manner.

In some embodiments of the invention, as shown in figures 1-3, 6 and 7, the rf heating module 40 includes a first rf electrode plate 41 and a second rf electrode plate 42. The first RF electrode plate 41 is perpendicular to the axis of the drum 21 and is disposed at one end of the drum 21, and the second RF electrode plate 42 is perpendicular to the axis of the drum 21 and is disposed at the other end of the drum 21. Preferably, the first rf electrode plate 41 may be disposed in the front end cap 24 or disposed on the rear wall surface of the front end cap 24. The second rf electrode plate 42 may be disposed in the rear end cap, or disposed on a front wall surface of the rear end cap, such as a front surface or a rear surface of a cover plate of the rear end cap. Through set up radio frequency electrode board boosting around the cylinder 21, the main drying system of cooperation rear end main heating shortens the stoving time, improves drying efficiency, and can solve the inside front and back difference in temperature of cylinder 21 big, the problem that anterior clothing is difficult to the stoving can realize the even heating, has improved drying efficiency, and the practicality is strong. That is to say, compared with the existing ordinary clothes dryer, the drying temperature of the front part of the drum 21 can be increased, so that the drying efficiency is obviously increased, uniform drying of the clothes in the drum 21 can be realized, and the drying efficiency of the clothes treatment device is improved.

In some embodiments of the present invention, as shown in fig. 8 and 9, the rf heating module 40 includes one or more first rf antennas 43, and the first rf antennas 43 are disposed on an end cap at one end of the drum 21. On the premise of comprehensively considering the cost and the efficiency, one or more first radio frequency antennas 43 can be arranged to achieve the purpose of drying uniformity. The first rf antenna 43 may be disposed in the front end cover 24 or on the rear wall surface of the front end cover 24, so as to increase the drying temperature of the front portion of the drum 21, achieve uniform drying of the laundry in the drum 21, and improve the drying efficiency of the laundry processing apparatus.

In some embodiments of the present invention, as shown in fig. 10 and 11, the rf heating module 40 includes one or more second rf antennas 44, and the second rf antennas 44 are disposed on the end cap at the other end of the drum 21. One or more second rf antennas 44 may be provided to achieve drying uniformity while considering cost and efficiency. The second rf antenna 44 may be disposed within the rear end cap, for example, between the cover plate of the rear end cap and the air inlet cover 41. Alternatively, the second rf antenna 44 may be disposed on the front wall of the rear cover.

In some embodiments of the present invention, the front side of the housing 20 is provided with a mounting opening, and the front cover 24 is openably and closably provided at the mounting opening. At this time, the front cover 24 may also be a front door for opening or closing the drum 21 to take and place the laundry.

In some preferred embodiments of the present invention, as shown in fig. 1 to 5, a laundry taking and putting opening 22 is provided on the circumferential wall of the drum 21, and in the initial position, the laundry taking and putting opening 22 is located at the uppermost side of the circumferential wall of the drum 21, that is, the opening of the laundry taking and putting opening 22 faces upward. The laundry access opening 22 is openable, and for example, an access door 23 is provided at the laundry access opening 22 for opening and closing the laundry access opening 22. Further, the access door 23 is preferably arc-shaped to match the shape of the drum 21. The drum 21 is arranged so as to have a retracted state retracted into the casing 20 and an extended state at least partially outside the casing 20, and in the extended state, so that a part or all of the laundry access opening 22 is located outside the casing 20, and the laundry is accessed after the laundry access opening 22 is opened. In the retracted state, the drum 21 is completely within the interior space defined by the housing 20.

In this embodiment, the laundry processing apparatus has a drum 21 capable of extending or retracting, when the drum 21 extends, the laundry can be taken and placed, and after the drum 21 retracts, the drying operation is performed, so that the problem that the user bends down to take and place the laundry can be solved, and the user can take and place the laundry very conveniently. The peripheral wall of the drum 21 is provided with an openable/closable laundry loading/unloading opening 22, and is located in the casing 20 during drying, so that the laundry loading/unloading opening 22 can be sterilized by the high temperature used during drying, and secondary contamination during the loading/unloading of the laundry can be prevented.

Because of the existence of the heat circulation system in the clothes treatment device, a person skilled in the art needs to reliably arrange the circulation air duct on a fixed part so as to ensure the stability of air supply, facilitate the control of air supply temperature, condensation temperature and the like, and further obtain a good clothes drying effect. Therefore, before the present invention, those skilled in the art can obtain the technical solution of the present invention without creative work and without any limitation to the technical spirit or technical prejudice of the prior art, and the technical solution of the present invention cannot be obviously obtained, the drying structure is provided on the movable component, i.e. the drying structure is provided on the front end cover 24, etc., and the first rf electrode plate 41 or the first rf antenna 43 is provided on the front end cover 24, etc.

In some embodiments of the invention, the drum 21 is arranged so as to allow its translational movement along a preset direction to switch between its retracted and extended conditions. For example, the drum 21 extends in the front-rear direction, and the drum 21 is slidably mounted in the housing 20 in the front-rear direction to draw the housing 20 forward so that part or all of the laundry access opening 22 is located outside the housing 20, and the laundry can be accessed from the laundry access opening 22 after the access door body 23 is opened; and retracted rearward into the housing 20. The roller 21 extends in the front-rear direction and is slidably mounted in the housing 20 in the front-rear direction, and the roller is simple and compact in structure and convenient to mount.

In some preferred embodiments of the invention, the drum 21 is arranged so as to allow, in the retracted state, the rotation of the drum 21 about its axis of rotation to be carried out by the power means 30. That is, the clothes treatment apparatus according to the embodiment of the present invention may be a drawer type clothes treatment apparatus, the drum 21 may be extended and retracted as required, and the drum 21 is provided with the clothing pick-and-place opening 22, so that the clothes can be picked and placed without stooping, and the pain of the conventional clothes treatment apparatus requiring stooping to pick and place is solved. After the drum 21 is retracted into the housing 20, the rotation of the drum 21 is not affected, and the drying efficiency is improved by the rotation. The front end cap 24 may be disposed on the drum 21 to translate with the drum 21. To facilitate rotation of the drum 21, the drum 21 is rotatably disposed with respect to the front cover 24. The front cover 24 mates with an opening in the front side of the housing 20 to enclose the housing 20. The front end cover 24 can also improve the safety of the clothes treatment device, prevent the rotary drum 21 from being directly exposed and ensure the safety. In some alternative embodiments of the present invention, the front cover 24 may be fixedly coupled to the drum 21 to rotate with the drum 21.

In some embodiments of the present invention, as shown in fig. 1 to 5, the laundry treating apparatus further includes a first frame translatably mounted in the housing 20 by a sliding rail structure 26, the drum 21 is rotatably mounted to the first frame, and the front cover 24 is fixedly mounted to the first frame. Specifically, the first frame is mounted on the support by a sliding rail structure 26. The front end cap 24 may be mounted to the first frame. Further, the first frame includes a rear frame at a rear side of the drum 21 and a peripheral frame disposed radially outside the drum 21, the peripheral frame connecting the rear frame and the front cover 24. In other embodiments of the present invention, the laundry treating apparatus further comprises a second frame rotatably mounted within the housing 20, in particular rotatably mounted on a stand within the housing 20. The peripheral wall of the drum 21 is translatably mounted to the second frame by a sliding track structure. The power device 30 drives the second frame to rotate, and further drives the roller 21 to rotate. Through setting up the push-and-pull of the cylinder 21 of being convenient for especially of frame and slip track structure, cylinder 21 supports through frame and slide, and the removal of cylinder 21 is realized through the slip track, can realize pulling out and closing as required, and cylinder 21 does not influence the rotation of cylinder 21 in indentation casing 20 back, improves drying efficiency through rotating.

Further, the drum 21 may be caused to perform the translational movement manually, or, as shown in fig. 4, the drum 21 may be driven to perform the translational movement by a driving structure 31 having a motive device. Specifically, in some embodiments, the front cover 24 may be provided with a handle for drawing the drum 21, so that the translational movement of the drum 21 is achieved by manual pushing and pulling. In some alternative embodiments, the driving structure 31 is an automatic extension device to cause the drum 21 to perform a translational motion, such as causing the drum 21 to extend forward.

As shown in fig. 4, the automatic stretching device includes a gear connected to the power part, a rack engaged with the gear, and one of the power part and the rack installed in the housing 20 and the other connected to the drum 21. For example, a rack extends in the front-rear direction and is mounted to the first frame, a power unit is mounted to the bracket, and a gear is mounted to an output shaft of the power unit and is engaged with the rack, so that the rack moves forward or backward when the power unit rotates the gear, thereby extending or retracting the drum 21 out of or into the housing 20. Alternatively, a rack extends in the front-rear direction and is mounted to the support, a power unit is mounted to the first frame, and a gear is mounted to an output shaft of the power unit and is engaged with the rack, so that the gear moves forward or backward along the rack when the power unit rotates the gear, thereby extending or retracting the drum 21 out of or into the housing 20.

In some embodiments of the present invention, as shown in fig. 1 to 3, the power device 30 may be a direct drive motor fixedly disposed on the first frame to follow the first frame and the drum 21 to move back and forth. The direct drive motor is positioned behind the roller 21, and the roller 21 is connected to an output shaft of the direct drive motor. The direct drive motor is a short name of a direct drive motor, and mainly means that the motor does not need to pass through a transmission device (such as a transmission belt) when driving a load. The direct drive motor can realize silence, energy conservation, stability and strong power. That is, the direct drive motor is directly connected with the drum 21, which has the advantages of high transmission efficiency, low vibration noise and the like, and can solve the disadvantages of low efficiency and high noise of the conventional clothes treatment device. The power device 30 for driving the roller 21 to rotate is arranged to synchronously extend or retract along with the roller 21, so that the reliability of power transmission is ensured, and the structure is simple and compact.

In other embodiments of the present invention, as shown in fig. 6 and 7, the power plant 30 may include a drive 32, a transmission 33, and a clutch 34. The driving device 32 may be mounted on the support, the transmission device 33 is disposed between the driving device 32 and the clutch 34, and the clutch 34 is disposed behind the drum 21 and connected to the drum 21, such that the driving device 32 drives the drum 21 to rotate through the transmission device 33 and the clutch 34. In particular, the drive 32 may be an electric motor and the transmission 33 may be a belt transmission. The belt transmission device comprises a driving belt wheel, a driven belt wheel and a belt, the driving belt wheel is installed on an output shaft of the motor, the driven belt wheel and the roller 21 are coaxially arranged, and the belt is arranged on the driving belt wheel and the driven belt wheel. The on-off of the power of the roller 21 is realized through the connection and the disconnection of the clutch 34, the purpose that the power source does not move back and forth along with the roller 21 is realized, and the reliability of the device is improved. In some alternative embodiments, the belt transmission device includes a driving pulley mounted to an output shaft of the motor, an intermediate pulley disposed coaxially with the drum 21, a driven pulley disposed on the driving pulley and the intermediate pulley, and two belts disposed on the intermediate pulley and the driven pulley. In some alternative embodiments of the present invention, the direct drive motor may also be mounted on the housing and connected to the drum 21 by a clutch structure.

In some embodiments of the present invention, the access door 23 is a sliding cover structure. The edges of the two front and back extensions of the clothes taking and placing opening 22 are provided with rails extending in the front and back direction, and the left side and the right side of the taking and placing door body 23 are installed on the two rails. The front end of the access door body 23 is provided with a handle, which can be a groove opened on the outer surface of the access door body 23, so as to manually open or close the clothes access opening 22. In some preferred embodiments of the present invention, a limit lock is disposed in the housing 20, and the limit lock is located at an upper side of the access door body 23. When the drum 21 extends out, the limit lock obtains a signal to extend out of the lock tongue, and the lock tongue acts on the taking and placing door body 23 to limit the taking and placing door body 23 to move outwards, so that the clothes taking and placing opening 22 can be opened while the drum 21 extends out. After the roller 21 retracts into the housing 20, or when the roller 21 is ready to rotate, the limit lock obtains a signal to retract the bolt, the limit on the movement of the access door body 23 is released, and the access door body 23 rotates along with the roller 21. Further, the outer surface of the access door body 23 is provided with a lock tongue groove for inserting a lock tongue, and the lock tongue can limit the movement of the access door body 23 after being inserted into the lock tongue groove. In some alternative embodiments of the present invention, the door opening form of the drum 21 may be changed, for example, the access door body 23 may be rotatably mounted to the drum 21 around an axis extending back and forth, and further, the access door body 23 may include two halves disposed left and right.

In some embodiments of the invention, the main blower 84 may include fan blades. Further, when the power device 30 includes a driving device 32, the fan blade may be mounted on the driving device 32, or the fan blade may be connected to the driving device 32 through a transmission device 33, that is, one driving device 32 may be used for the rotation of the fan blade and the rotation of the drum 21, and the driving device 32 may be a motor.

In some embodiments of the invention, a lint filter 85 is provided on the duct system for filtering lint. The portion of the air duct system disposed on the front end cap 24 may be referred to as a first portion, and the portion of the air duct system disposed within the housing 20 may be referred to as a second portion. A lint filter 85 is arranged on the first part of the air duct system, i.e. the lint filter 85 is also arranged on the front end cap 24. The lint filter 85 is disposed on the front end cover 24 to facilitate cleaning of impurities in the lint filter 85.

In order to enable the roller 21 to be drawn out of the housing 20 forward and enable the air duct system to work normally after the roller 21 retracts into the housing 20, a first connecting structure may be disposed between the airflow outlet of the first portion and the airflow inlet of the second portion, and a second connecting structure may be disposed between the hot air hood 81 and the airflow outlet of the second portion, so as to achieve automatic disconnection of the drying air duct when the roller 21 extends and automatic connection when the roller 21 retracts. That is, the first connection structure and the second connection structure are configured to allow the drum 21 to move forward to make the drum 21 in the extended state, and to make the drying duct communicate with each other in the retracted state of the drum 21.

In some embodiments of the present invention, the first and second connection structures may be identical, for example, as shown in fig. 12 and 13, the first connection structure includes a plug tube 47 and a jack tube 48, and the plug tube 47 is inserted into the jack tube 48. Further, a sealing gasket is arranged on the inner wall of the plug tube 48 and/or on the outer wall of the plug tube 47. The inner wall of the tube 48 may be tapered inwardly, i.e. tapered outwardly towards the connector, e.g. a truncated cone, which may be a morse taper. The outer wall surface of the plug tube 47 is tapered so as to be fitted to the inner wall surface of the plug tube 48 and to be gradually reduced toward the plug tube 48. During the outward extraction of the drum 21, the plug tube 47 and the bayonet tube 48 are disengaged, and during the retraction of the drum 21, the plug tube 47 is inserted directly into the bayonet tube 48. Further, a blocking surface is provided in the plug tube 48 to block the plug tube 47 from further inward insertion.

In some embodiments of the invention, as shown in FIG. 14, the second attachment structure may include a bellows 49 and an engagement assembly. The suction assembly comprises a first suction member 57 and a second suction member 58 which are mutually sucked, the first suction member 57 is arranged at one end of the extension tube 49, the other end of the extension tube 49 is arranged on the hot air cover 81, the second suction member 58 is arranged at the air flow outlet of the second part, or the other end of the extension tube 49 is arranged at the air flow outlet of the second part, and the second suction member 58 is arranged on the hot air cover 81. Bellows 49 can be a flexible tube or a rigid tube. A flexible pipe may also be referred to as a hose, for example a flexible pipe may be a pipe of corrugated construction. By arranging the telescopic pipe 49 and the suction assembly, the hot air hood 81 and the airflow outlet of the second part can be connected without generating adverse phenomena such as air leakage and the like due to small deviation. Further, an elastic sealing member may be provided on one of the opposite surfaces of the first and second suction members 57 and 58, or both of the surfaces, to secure a sealing performance. The first and second engaging members 57 and 58 may be magnetically attracted members such as magnets. Further, the first connecting structure may also adopt such a structure of the second connecting structure.

In some embodiments of the present invention, as shown in fig. 1, 15 and 16, a condensing portion 82 may be disposed in the housing 20 and below the drum 21, and the condensing portion 82 is used for reducing the temperature of the drying air flow to condense out at least a part of water in the drying air flow. For example, the condensing part 82 may include a drying airflow passage 423 and an air passage that can exchange heat with the drying airflow passage 423 to cool the drying airflow having a higher temperature by air having a lower temperature. Specifically, the condensation portion 82 includes a plurality of air duct pipes 421 arranged in parallel and a plurality of fins attached to the air duct pipes 421. The duct 421 extends horizontally, and a drying airflow path 423 is formed in the duct 421. The interval between the duct pipes 421 may be an air passage. The heat cycle system of the laundry treating apparatus further includes a condensing fan 422, and the condensing fan 422 is configured to promote air to enter from one end of the air passage and flow out from the other end of the air passage, so as to cool the drying airflow in the drying airflow passage 423 of the air duct 421. The drying airflow channel 423 of the duct pipe 421 may extend in the front-rear direction, and the air channel may extend in the left-right direction.

Further, the first part of the air duct system is a door pipeline, and is connected between the outlet of the annular air duct and the plug pipe 47 of the first connecting structure. The second part of the air duct system comprises an air inlet duct section, a first air supply duct section and a second air supply duct section. The air inlet pipe section is communicated with the insertion pipe 48 of the first connecting structure and the inlet of the drying airflow channel 423 of the condensing part 82. The first air supply pipe section is communicated with the outlet of the drying airflow channel 423 and the air inlet of the main fan 84. The second supply duct section communicates with the outlet of the main blower 84 and the second connection structure. The heating part 83 may be provided in the first air supply duct section or in the second air supply duct section.

The condensing fan 422 may include fan blades, and the fan blades of the condensing fan 422 may be connected to the driving device 32 through a transmission device, so that one driving device 32 may be used for the rotation of the fan blades of the main fan 84, the rotation of the fan blades of the condensing fan 422, and the rotation of the drum 21. The fan blades of the condensing fan 422 may be directly mounted on the output shaft of the driving device 32, and the output shaft of the driving device 32 drives the fan blades of the main fan 84 and the drum 21 to rotate through the transmission device 33. The fan blades of the main fan 84 may be mounted to an intermediate pulley of the transmission 33.

In order to further improve the condensation efficiency, the heat cycle system of the laundry treating apparatus further includes an auxiliary condensing unit 46 disposed on the condensing portion 82 for cooling the condensing portion 82, i.e., dissipating heat from the condensing portion 82. For example, the auxiliary condensing unit 46 includes a liquid cooling pipe 461, a liquid cooling tank 462, a liquid cooling fan 463, a liquid cooling pump 464, and a liquid cooling fin 465. The liquid cooling line 461 is disposed on the condensing unit 82, for example, on the upper surface of the condensing unit 82, specifically, on the upper surface of the uppermost duct 421. The liquid cooling fins 465 are integrally provided with the liquid cooling pipes 461, and the condensing fan 422 radiates heat to the liquid cooling pipes 461 as well as to the condensing portion 82. A liquid cooling air channel is arranged in the liquid cooling box 462, the liquid cooling fan 463 is arranged at one end of the liquid cooling box 462, the liquid cooling box 462 is used for storing condensate, and the liquid cooling fan 463 and the liquid cooling air channel are used for cooling the condensate in the liquid cooling box 462. The outlet of the liquid cooling line 461 is connected to the liquid cooling tank 462 through an outlet pipe 466, the inlet of the liquid cooling line 461 is connected to the liquid cooling tank 462 through an inlet pipe 467, and the liquid cooling pump 464 may be provided to the inlet pipe 467 or the outlet pipe 466.

In some alternative embodiments of the present invention, the liquid cooling tubes 461 may be replaced by liquid cooling cartridges, and both liquid cooling cartridges and liquid cooling tubes may be referred to as liquid cooling portions. The liquid-cooled box may be a flat box, i.e. the box has a small ratio of thickness to length, further the ratio may be 1/6 to 1/25.

Further, at least a portion of the inlet tube 467 and/or at least a portion of the outlet tube 466 are coupled to the condensation portion 82. For example, both ends of the left side surface or both ends of the right side surface of the condensation section 82. Also for example, the inlet or outlet tube includes a plurality of heat exchange tube segments, each disposed on a leeward or windward side of one of the duct tubes 421, preferably on a leeward side of the duct tube 421. The number of heat exchange tube segments is less than or equal to the number of air duct tubes 421. For example, the heat exchange pipe section is not provided on the windward side or leeward side of the duct 421 attached to the liquid cooling portion.

When the liquid cooling portion is liquid cooling pipeline 461, liquid cooling pipeline 461 can be snakelike extension, including a plurality of straight tube sections and a plurality of connecting pipe section, every straight tube section extends along the length direction of wind channel pipe 421, and every connecting pipe section connects the homonymy end of two adjacent straight tube sections. When the liquid cooling portion is a liquid cooling box, a partition plate is arranged in the liquid cooling box to form a bent and extended channel in the liquid cooling box, and cooling efficiency is improved. Further, the number of the partition plates can be three, and a serpentine channel extending in a bending mode is formed in the liquid cooling box, and the serpentine channel can also be called an S-shaped channel.

Adopt and force supplementary condensation mode, can guarantee the high condensation efficiency under the less volume, compare increase condensing part 82 and have better condensation effect. The condensate can be water, glycerine, glycol, etc. On the basis of the main condensation part 82, the main fan is used for cooling, and the auxiliary condensation device 46 is arranged for auxiliary cooling and improving the steam condensation efficiency, so that the drying efficiency of clothes is improved.

In some embodiments of the present invention, a flow guide device is disposed outside the inlet end of the air passage, and the flow guide device has a flow guide passage and a sub-flow guide disposed in the flow guide passage for guiding air to the air passage, the sub-flow guide being disposed between the condensation portion 82 and the outlet of the condensation fan 422. The flow guide channel comprises an inlet section and an outlet section, the sub flow guide channels are arranged in the outlet section, the inlet section is perpendicular to the air channel, namely, the inlet section extends along the front-back direction, and the condensing fan 422 is a centrifugal fan. Further, the liquid cooling box 462 is disposed at the outer side or above the outer side of the outlet end of the air passage, the length direction of the liquid cooling box 462 is perpendicular to the air passage, and the liquid cooling air duct is perpendicular to the air passage. The arrangement position and the relative relation of the special auxiliary condensing unit 46 and the condensing part 82 can obviously improve the condensing efficiency and have good energy-saving effect.

In some preferred embodiments of the present invention, the condensing portion 82 may be a cooling end of the semiconductor cooling and heating module, the cooling end includes a cooling end surface of the semiconductor cooling plate, and a cooling device disposed on the cooling end surface, the cooling device has a cooling fin, and the cooling fin of the semiconductor cooling and heating module is used to condense water vapor in hot and humid air. In order to improve the drying efficiency, the cold end of the semiconductor refrigeration and heating module can be vertical to the flowing direction of the drying airflow, so that the drying airflow flows away from the periphery, such as the upper side, of the cold end of the semiconductor refrigeration and heating module after being subjected to large resistance and heat exchange with the fins. In some embodiments of the present invention, the heating part 83 is used to heat the drying air flow condensed by the condensing part 82. The heating portion 83 may be disposed in the air duct system and located at the air outlet side of the main blower 84, i.e. at the downstream side of the main blower 84. Heating portion 83 may be an electric heating device 52. Optionally, the heating portion 83 may also be a heating end of the semiconductor refrigeration and heating module, where the heating end includes a hot end face of the semiconductor refrigeration piece, and a heat transfer device disposed on the hot end face, and the heat transfer device has heat transfer fins, and the heat transfer fins of the semiconductor refrigeration and heating module are used to heat the drying air flow. The air pipe system can be provided with a bypass air duct section arranged on the upper side of the semiconductor refrigerating and heating module, so that the drying air flow flows upwards after exchanging heat with the heat transfer fins of the semiconductor refrigerating and heating module and then flows downwards to exchange heat with the heat transfer fins for heating.

In some embodiments of the present invention, the primary drying system further includes a cooling side and a heating side of the semiconductor cooling and heating module. And under the action of the main fan and the air pipe system, the drying airflow flows through the condensation part, sequentially flows through the heating end and the heating end, and then flows to the heating part. And the cooling fins of the semiconductor refrigeration and heating module are utilized to assist in condensing water vapor in the hot and humid air. Namely, the condensation part 82 is used for mainly condensing water vapor in the damp and hot air, and then the cooling fins of the semiconductor refrigeration and heating module are used for assisting condensation, so that the condensation effect is improved. The heat transfer fins of the semiconductor refrigeration and heating module are used for preheating the drying airflow, so that the heating effect is improved.

In some preferred embodiments of the present invention, the condensing part 82 and the heating part 83 are an evaporator and a condenser of a heat pump system, respectively, and the heat pump system can provide higher condensing efficiency by condensing water vapor in the hot and humid air using the evaporator of the heat pump system, thereby improving drying efficiency. The condenser of the heat pump system is used for heating and drying air flow, the energy utilization rate is high, the waste of heat is reduced as far as possible, and the energy efficiency of the clothes treatment device can be obviously improved. The compressor of the heat pump system is communicated with the condenser, the condenser is communicated with the throttling device, the throttling device is communicated with the evaporator, and the evaporator is communicated with the compressor, namely, the compressor, the condenser, the throttling device and the evaporator are sequentially communicated to form a refrigerant circulating system, refrigerant medium continuously performs gas-state and liquid-state conversion in the refrigerant circulating system, heat is released to heat drying air flow, the drying air flow enters the roller 21, and clothes in the roller 21 are dried. In some alternative embodiments of the invention, other types of condensation forms may be used for condensation. Furthermore, a semiconductor refrigerating and heating module can be arranged between the evaporator and the condenser, so that water vapor in the damp and hot air is condensed by the aid of cooling fins of the semiconductor refrigerating and heating module, and the drying air flow is preheated by the aid of heat transfer fins of the semiconductor refrigerating and heating module.

In some embodiments of the present invention, a water box groove is formed in the housing 20 and is located above the drum 21, and is typically disposed on a front panel of the housing 20 and near a top plate area of the housing 20. The water box groove is internally provided with a water box, the water box groove and the water box are in clearance fit, and the water box can be drawn 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 water discharged by a drain pipe at the lower side of the condensation part 82; when the water box is filled with water entering the water box, the water overflows from the top opening of the water box and flows into the water box groove. The water box groove is provided with an overflow hole which is generally arranged at the bottom of the water box groove so as to prevent water from accumulating in the water box groove. The overflow hole is communicated with the diversion channel through the overflow pipe. Therefore, when water in the water box overflows to the water box groove, the water in the water box groove can enter the flow guide channel through the overflow holes and the overflow pipes, the water flowing out of the flow guide channel can be used for cleaning structures such as the condensation part 82 or the thread scrap filter 85, and the water is prevented from accumulating in the water box groove. A water pump is provided on the drain pipe, a water storage tank is provided at the lower side of the condensing portion 82, and water in the water storage tank is delivered to the water box by the water pump.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. The clothes treatment device is characterized by further comprising a radio frequency heating module, wherein the radio frequency heating module is arranged at one end or two ends of the rotary drum so as to heat clothes of the rotary drum.

2. The laundry treating apparatus according to claim 1,

the peripheral wall of the drum is provided with a clothes taking and placing opening which can be opened and closed; the drum is arranged so as to have a retracted state retracted within the casing and an extended state at least partially outside the casing, and in the extended state, so that part or all of the laundry access opening is located outside the casing.

3. The laundry treating apparatus according to claim 2,

the drum is arranged so as to allow it to be slidably disposed within the housing in the axial direction thereof to be switched between its retracted state and its extended state.

4. The laundry processing apparatus according to claim 1, 2 or 3, further comprising a primary drying system configured to cause a drying airflow to enter the drum from one end of the drum.

5. The laundry treating apparatus according to claim 1,

the radio frequency heating module comprises a first radio frequency electrode plate and a second radio frequency electrode plate; the first radio frequency electrode plate is perpendicular to the axis of the roller and arranged at one end of the roller, and the second radio frequency electrode plate is perpendicular to the axis of the roller and arranged at the other end of the roller.

6. The laundry treating apparatus according to claim 1,

the radio frequency heating module comprises one or more first radio frequency antennas, and the first radio frequency antennas are arranged on an end cover at one end of the roller; and/or the presence of a gas in the atmosphere,

the radio frequency heating module comprises one or more second radio frequency antennas, and the second radio frequency antennas are arranged on an end cover at the other end of the roller.

7. The laundry treating apparatus according to claim 4,

the end cover at the other end of the roller is provided with an annular structure coaxial with the roller, one or more air outlet parts sequentially arranged along the circumferential direction of the roller are arranged on the circumferential wall of the inner side of the annular structure or on the end surface facing the inner part of the roller, and each air outlet part is communicated with the space in the roller so as to discharge the drying airflow to the outside of the roller.

8. The laundry treating apparatus according to claim 4, further comprising an auxiliary condensing device;

the main drying system comprises a condensing part, a heating part, a main fan and an air pipe system for limiting a drying air channel; the air pipe system is configured to guide the drying air flow, so that the drying air flow flows out from the other end of the roller under the action of the main fan, sequentially flows through the condensing part and the heating part, and then circularly enters the roller from one end of the roller;

the auxiliary condensing device exchanges heat with the condensing part to cool the condensing part.

9. The laundry treating apparatus according to claim 8,

the auxiliary condensing device comprises a liquid cooling part, a liquid cooling box, a liquid cooling fan and a liquid cooling pump,

the liquid cooling part is arranged on the condensing part to contact with the condensing part for heat exchange; the liquid cooling box stores condensate liquid and is provided with a liquid cooling air channel; the liquid cooling fan is configured to promote airflow through the liquid cooling air duct to cool condensate in the liquid cooling box;

the outlet of the liquid cooling part is communicated with the liquid cooling box through an outlet pipe, the inlet of the liquid cooling part is communicated with the liquid cooling box through an inlet pipe, and the liquid cooling pump is arranged on the inlet pipe or the outlet pipe.

10. The laundry treating apparatus according to claim 8, further comprising a semiconductor refrigerating and heating module, wherein the semiconductor refrigerating and heating module comprises a refrigerating end and a heating end, and the drying airflow flows through the condensing portion, the refrigerating end and the heating end in sequence and then flows to the heating portion under the action of the main blower and the air duct system;

the semiconductor refrigerating and heating module also comprises a semiconductor refrigerating piece;

the refrigerating end comprises a cold end face of the semiconductor refrigerating sheet and a cold transfer device arranged on the cold end face, and the cold transfer device is provided with a cold transfer fin;

the heating end comprises a hot end face of the semiconductor refrigeration piece and a heat transfer device arranged on the hot end face, and the heat transfer device is provided with heat transfer fins.

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