CN222375028U - Clothes dryers, drying systems and laundry treatment devices - Google Patents

Abstract

The invention provides a clothes drying cylinder which comprises a cylinder body, wherein the cylinder body comprises a side wall and a bottom wall, a putting opening is formed in the front end of the cylinder body, an air outlet of a drying system is formed in the position, close to the putting opening, of the side wall, the side wall and the bottom wall enclose a cylinder cavity, the air outlet is communicated with the cylinder cavity, the bottom wall is provided with an air guide structure, and the air guide structure is used for introducing air of the drying system into the cylinder cavity from the bottom wall directly and flowing to the air outlet in a cyclone mode. According to the invention, the drying warm air can be guided through the air guide cover and the air vents arranged in the air guide structure, so that the drying warm air is not directly blown to the throwing port after entering the cylinder body, and the spiral air flow is formed in the cylinder body, so that clothes at the edge of the inner side wall of the clothes drying cylinder and the edge of the bottom of the clothes drying cylinder can be dried, the drying warm air is fully contacted with the clothes at all positions, the clothes in the cylinder body can be uniformly dried, the whole drying time is shortened, the drying power consumption is reduced, and the user experience is improved.

Description

Clothes drying cylinder, drying system and clothes treatment device

Technical Field

The invention relates to the technical field of clothes treatment devices, in particular to a clothes drying cylinder, a drying system and a clothes treatment device.

Background

The drum clothes dryer is internally provided with a set of circulating air duct, warm air dried by the heat pump device in the air duct enters the clothes drying cylinder through the rear air duct and the rolling bottom, the dried warm air is carried away by the clothes drying cylinder to lift residual water on clothes to become moist warm air, and the moist warm air enters the chassis through the air duct at the lower end of the door body and is condensed, dried and heated by the heat pump device, so that circulation is formed, and the drying of the clothes is realized.

The existing clothes drying cylinder bottom can be provided with a plurality of holes to play a ventilation role, but the holes on the existing clothes drying cylinder bottom of the clothes dryer are round, drying warm air enters the clothes drying cylinder from a rear air channel and then directly blows to the door body, when clothes are more, the edge of the inner side wall of the clothes drying cylinder and the edge of the bottom of the clothes drying cylinder cannot be blown by the drying warm air, the drying warm air is insufficient in contact with the clothes, part of clothes may not be enough in dryness, the problems of poor drying effect and long drying time exist, drying power consumption is improved, and user experience is affected.

Disclosure of Invention

The application is based on the discovery and recognition of the following problems and facts that drying warm air enters the clothes drying cylinder from a round hole at the bottom of the clothes drying cylinder to dry clothes in the clothes drying cylinder, but the drying warm air in a straight way possibly cannot blow the clothes on the inner side wall and the bottom edge of the clothes drying cylinder, so that the clothes are insufficiently dried, and the drying effect of the clothes dryer is affected.

The present invention aims to solve at least to some extent one of the above technical problems.

According to a first aspect of the present disclosure, there is provided a laundry dryer drum, comprising a drum body including a side wall and a bottom wall, the side wall being formed with a delivery opening at a front end of the drum body, the side wall being formed with an air outlet near the delivery opening, the side wall and the bottom wall enclosing a drum cavity, the air outlet communicating with the drum cavity;

the bottom wall is provided with an air guide structure, and the air guide structure is used for directly introducing the air of the drying system into the cylinder cavity from the bottom wall and flowing to the air outlet in a cyclone mode.

In some embodiments, the plurality of wind guiding structures form a plurality of groups distributed in different rotation directions, and each group is distributed with a plurality of wind guiding structures from the near to the far;

The plurality of groups of air guide structures are spirally distributed.

In some embodiments, each of the wind guiding structures comprises a ventilation hole penetrating through the bottom wall along the thickness of the bottom wall and a wind guiding cover extending from the near to the far along the rotation direction of the wind guiding structure group where the ventilation hole and the wind guiding cover are located, wherein the wind guiding cover is arranged at the far end of the ventilation hole, and the wind guiding cover protrudes to the outer side of the bottom wall.

In some embodiments, the air guiding structure further comprises an air guiding groove extending in the same direction as the vent hole and the air guiding cover, the air guiding groove is arranged at the proximal end of the vent hole, and the air guiding groove is concave to the inner side of the bottom wall.

In some embodiments, the vent holes are long arc holes and extend in the direction of the rotation of the group in which they are located.

In some embodiments, the air guide housing has a bell mouth shape with an outlet flow surface that is larger than an inlet flow surface.

In some embodiments, the angle of inclination, a e [20 °,80 ° ], of the top of the hood with the bottom wall.

In some embodiments, the air guiding structure further has a first air guiding plate, the first air guiding plate is disposed on a side of the vent hole away from the arc center, and the first air guiding plate is connected with a side portion of the air guiding cover.

In some embodiments, the first deflector is inclined at an angle b e [20 °,90 ° ] to the bottom wall.

An embodiment according to a second aspect of the present invention provides a drying system, comprising:

The clothes drying cylinder comprises the clothes drying cylinder and a drying air channel communicated between an air outlet of the clothes drying cylinder and an air guide structure, wherein the drying air channel comprises a front air channel communicated with the air outlet of the clothes drying cylinder, a rear air channel communicated with the air guide structure and an intermediate air channel positioned between the front air channel and the rear air channel, the intermediate air channel is positioned at the bottom of the clothes drying cylinder and flows through a heat pump device, and the air outlet of the rear air channel is opposite to the bottom wall of the clothes drying cylinder.

An embodiment according to a third aspect of the present invention provides a laundry treating apparatus comprising:

the drying system.

According to the clothes drying cylinder provided by the embodiment of the invention, the air guide structure is arranged on the bottom wall of the cylinder body, so that the drying warm air exhausted from the rear air duct of the clothes dryer can enter the cylinder body from the air guide structure, the air guide cover and the air vent arranged in the air guide structure can guide the drying warm air, the drying warm air does not directly blow to the feeding port after entering the cylinder body, and the spiral air flow is formed in the cylinder body, so that the contact stroke of the drying warm air and clothes is prolonged, the drying warm air can blow to the edges of the side wall and the bottom wall of the cylinder body, the clothes at the edges of the inner side wall of the clothes drying cylinder and the edges of the bottom of the clothes drying cylinder body can be dried, more clothes blowing gaps can be formed in the drying warm air, the drying warm air can fully contact the clothes in the cylinder body, the whole drying time is shortened, the drying power consumption is reduced, and the use experience of a user is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic rear view of a cartridge according to one embodiment of the invention;

FIG. 2 is a schematic view of the structure of the bottom wall according to one embodiment of the invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present invention;

FIG. 4 is a schematic structural view of an air guiding structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of a wind scooper according to the present invention;

FIG. 6 is a schematic view of the structure of the first air deflection plate in accordance with the present invention;

FIG. 7 is a schematic diagram of a structure according to another embodiment of the invention;

fig. 8 is a schematic view of the flow direction of dry warm air according to the present invention.

Reference numerals

1. The clothes dryer comprises a barrel body, a bottom wall, a 3, an air guide structure, a 31, an air guide cover, a 32, a vent hole, a 33, a first air guide plate, a4, a rear side plate, a 5, a rear air duct, a 6, an impeller, a 7, a shell, an 8, a heat pump device, a 9, a base, a 10, a door body, a 11 and clothes.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

Throughout the specification and claims, the following terms have at least the meanings explicitly associated herein, unless the context dictates otherwise. The meanings identified below are not necessarily limiting terms, but merely provide illustrative examples of terms.

In the description of the present invention, the phrase "in one embodiment" does not necessarily refer to the same embodiment, although it may. Similarly, the phrase "in some embodiments" as used herein, when used multiple times, does not necessarily refer to the same embodiment, although it may. As used herein, the term "or" is an inclusive "or" operator and is equivalent to the term "and/or" unless the context clearly dictates otherwise. The term "based on" is not exclusive and allows for being based on additional factors not described, unless the context clearly dictates otherwise. The term "exemplary" is used herein to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The scope of the invention is limited only by the scope of the appended claims, and any examples set forth in this specification are not intended to be limiting, but merely set forth some of the many possible embodiments of the claimed invention. The various embodiments provided by the present invention should not be construed as limiting the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The clothes treatment device can be a roller clothes dryer or a washing and drying integrated machine with a drying function, a set of circulating air channels are arranged in the roller clothes dryer, warm air dried by the heat pump device in the air channels enters the clothes drying cylinder through the rear air channel and the rolling bottom, the dry warm air is carried away by the residual water on the lifted clothes through the clothes drying cylinder to become moist warm air, and the moist warm air enters the chassis through the air channel at the lower end of the door body and is condensed, dried and heated by the heat pump device, so that circulation is formed, and the drying of the clothes is realized.

On the one hand, the drying warm air in the prior art enters the drying cylinder through the round hole at the bottom of the drying cylinder, when more clothes are put, the edge of the inner side wall of the drying cylinder and the edge of the bottom of the drying cylinder cannot be blown by the drying warm air, the drying warm air is insufficient in contact with the clothes, the dryness of part of the clothes is possibly insufficient, the drying effect is poor, the drying time is long, the drying power consumption is improved, and the user experience is influenced.

Example 1

1-8, A laundry dryer according to an embodiment of the present invention includes:

The cylinder body 1, the cylinder body 1 includes sidewall and diapire, the sidewall forms and puts in the mouth in front end of the cylinder body, the sidewall forms the air outlet near putting in the mouth, sidewall and diapire enclose the barrel cavity, the air outlet communicates with barrel cavity;

The bottom wall 2 is provided with an air guiding structure 3, and the air guiding structure 3 is used for directly introducing the air of the drying system into the cylinder cavity from the bottom wall 2 and flowing to the air outlet in a cyclone mode.

Specifically, the clothes drying cylinder can be a cylinder, one end of the clothes drying cylinder is a putting opening, clothes 11 can be stored and taken out, the other end of the clothes drying cylinder is a bottom wall 2 of the clothes drying cylinder, and drying warm air of a dryer enters the clothes drying cylinder from the bottom wall 2 of the clothes drying cylinder to dry the clothes 11 in the clothes drying cylinder.

The air guiding structure 3 has a ventilation hole 32 and an air guiding cover 31, the arc center of the ventilation hole 32 can be concentric with the bottom wall 2, and the drying warm air discharged from the rear air duct 5 of the dryer can enter the drying drum from the ventilation hole 32 to dry the clothes 11 in the drying drum.

Wherein the drum is rotatable in a counter-clockwise direction in a rear view, the arrow direction in fig. 1 being the direction of rotation of the drum.

According to the clothes drying cylinder provided by the embodiment of the invention, the air guide structure 3 is arranged on the bottom wall 2 of the cylinder body 1, so that the drying warm air discharged from the rear air duct 5 of the clothes dryer can enter the cylinder body 1 from the air guide structure 3, the air guide cover 31 and the air vent 32 arranged in the air guide structure 3 can guide the drying warm air, the drying warm air does not directly blow to the feeding port after entering the cylinder body 1, the spiral air flow is formed in the cylinder body 1, the contact stroke of the drying warm air and the clothes 11 can be prolonged, the drying warm air can blow to the edges of the side wall and the bottom wall 2 of the cylinder body 1, the clothes 11 at the edges of the inner side wall of the clothes drying cylinder and the bottom edge of the clothes drying cylinder can be dried, more drying warm air can be blown into gaps of the clothes 11, the drying warm air can be fully contacted with the clothes 11, the clothes 11 in the cylinder body 1 can be uniformly dried, the whole drying time is shortened, the drying power consumption is reduced, and the user experience is improved.

In some embodiments, the plurality of wind guiding structures 3 form a plurality of groups distributed in different rotation directions, and each group is distributed with the plurality of wind guiding structures 3 from the near to the far;

The multiple groups of air guide structures are spirally distributed.

Specifically, the multiple groups of air guide structures distributed in a spiral manner can enable the drying warm air to better form spiral air flow when entering the inside of the cylinder body 1, and dry clothes 11 at different positions.

In some embodiments, each wind guiding structure 3 comprises a ventilation hole 32 penetrating through the bottom wall 2 along the thickness of the bottom wall 2 and a wind guiding cover 31, the ventilation hole 32 and the wind guiding cover 31 extend from near to far along the rotation direction of the wind guiding structure 3 group where the wind guiding cover 31 is located, wherein the wind guiding cover 31 is arranged at the far end of the ventilation hole 32, and the wind guiding cover 31 protrudes to the outer side of the bottom wall.

Specifically, the air guide cover 31 may be a casing protruding from the bottom wall 2 to the outside of the clothes drying cylinder, an inclined air channel can be formed on the inner side of the air guide cover 31, namely, the air outlet and the air inlet of the air guide cover 31 are the air outlet and the air inlet of the air channel, the air inlet of the air guide cover 31 is the same as the rotation direction of the cylinder 1, more dry warm air can be guided into the inclined air channel while the cylinder 1 rotates, the air outlet of the air guide cover 31 is communicated with the ventilation hole 32, after the dry warm air enters the inclined air channel, the dry warm air enters the cylinder 1 from the ventilation hole 32 and continuously rotates along with the cylinder 1, so that the dry warm air enters the cylinder 1 to form spiral air flow, the dry warm air can be dispersed to the periphery in the cylinder 1 under the action of the air guide structure 3, the clothes 11 at the edge of the inner side wall of the cylinder 1 and the edge of the bottom of the cylinder 1 can be dried, and the drying effect of the dry warm air on the clothes 11 in the cylinder 1 can be ensured.

In some embodiments, the air guiding structure further comprises an air guiding groove, the air guiding groove extends along the same direction as the vent hole 32 and the air guiding cover 31, the air guiding groove is arranged at the proximal end of the vent hole 32, and the air guiding groove is concave to the inner side of the bottom wall.

Specifically, the air guide groove recessed towards the inner side of the cylinder body can enable the air guide structure to better play a role in guiding air, and the air flow intensity of dry warm air entering the cylinder body is improved.

In some embodiments, the bottom wall 2 is provided with a plurality of air guide structures 3 in a surrounding manner, the air guide structures 3 are provided with vent holes 32 and an air guide cover 31, the cross section of the vent holes 32 on the plane of the bottom wall 2 is arc-shaped, the air guide cover 31 is provided with an air inlet and an air outlet, the air inlet is the same as the rotation direction of the cylinder 1 and protrudes towards the outer side of the bottom wall 2, the air outlet is communicated with the vent holes 32, the vent holes 32 are sequentially provided with a first end and a second end along the rotation direction of the cylinder 1, wherein the first end is the far end of the vent holes, and the second end is the near end of the vent holes;

the air outlet communicates with a first end of the vent 32.

Specifically, the first end of ventilation hole 32 can communicate the dry warm braw in the wind scooper 31 to the inside of barrel 1, and other positions of ventilation hole 32 can directly communicate dry warm braw to the inside of barrel 1, through the setting of ventilation hole 32 and wind scooper 31, can make ventilation hole 32 communicate the dry warm braw of direct blowing and the dry warm braw after the direction to the inside of barrel 1 simultaneously, make dry warm braw can be to the interior central region of barrel 1 and the clothing 11 of marginal region together dry, make dry warm braw more even to the drying of clothing 11, improve the drying efficiency of dryer, reduce the energy consumption of dryer.

In some embodiments, the angle of inclination a e [20 °,80 ° ] of the top of the hood 31 with the bottom wall 2.

Specifically, the top of the air guide cover 31 and the bottom wall 2 have a certain inclination angle, the inclination angle a is between 20 degrees and 80 degrees, the inclination angle is prevented from being too small, the entering drying warm air is reduced, or the inclination angle is too large, the drying warm air cannot be dispersed around, the air guide cover 31 arranged in an inclined manner can enable the drying warm air entering the cylinder body 1 to better form a spiral air and disperse around, the clothes 11 inside the cylinder body 1 are uniformly dried, the drying efficiency of the dryer is improved, and the energy consumption of the dryer is reduced.

In some embodiments, the air guiding structure 3 extends over the bottom wall 2;

or, the air guiding structure 3 is arranged at the edge area of the bottom wall 2, and the middle area of the bottom wall 2 is provided with circular ventilation holes.

Specifically, the full air guide structure 3 may be uniformly arranged on the bottom wall 2, or the air guide structure 3 and the circular vent may be mixed and arranged on the bottom wall 2, or under the condition of mixed arrangement, the air guide structure 3 and the circular vent may be uniformly arranged.

The middle area may be a half circle ring at the center of the bottom wall 2, the edge area may be a half circle ring corresponding to the edge of the bottom wall 2, the air guiding structure 3 arranged on the outer circle may make the drying warm air better guide the clothes 11 at the inner side edge of the drum 1, the circular through hole of the inner circle may guide the drying warm air directly to the clothes 11 in the middle area, and the two structures are combined with each other to better dry the clothes 11 in the drum 1.

In some embodiments, the air guiding structure 3 further has a first air guiding plate 33, the first air guiding plate 33 is disposed on a side of the vent hole 32 facing away from the arc center, and the first air guiding plate 33 is connected to a side portion of the air guiding cover 31.

Specifically, the first air deflector 33 may be an extension of the air guiding cover 31, so that the air guiding cover 31 can enter more dry and warm air when rotating along with the cylinder 1, thereby improving the air guiding effect of the air guiding cover 31, increasing the strength of the clothes 11 at the inner edge of the cylinder 1, and improving the clothes drying efficiency of the clothes dryer.

In some embodiments, the first deflector 33 is inclined at an angle b e [20 °,90 ° ] to the bottom wall 2.

Specifically, the first air deflector 33 may incline at a certain angle relative to the bottom wall 2, the inclination angle b is between 20 ° and 90 °, and the inclination at a certain angle can make the first air deflector 33 better play a role in guiding, so that the dry warm air enters the air deflector 31 and then enters the interior of the cylinder 1 from the air deflector 31, and the limitation of the inclination angle b can avoid the influence of too small or too large inclination of the first air deflector 33 on the air guiding effect of the first air deflector 33.

In some embodiments, the air guiding structure 3 further has a second air guiding plate, which is located in the air guiding cover 31 and is in parallel relation to the top of the air guiding cover 31.

Specifically, the second air deflector can enable the air guide cover 31 to form an inclined air channel, so that spiral air flow formed by the drying warm air led into the cylinder body 1 by the air guide cover 31 is stronger, the drying effect on the clothes 11 at all positions of the inner edge of the cylinder body 1 is improved, the drying of the clothes 11 by the drying warm air is more even, the drying efficiency of the clothes dryer is improved, and the energy consumption of the clothes dryer is reduced.

In some embodiments, the air guide housing 31 has a bell mouth shape with an air outlet larger than an air inlet.

Specifically, the horn-shaped air guide cover 31 can enable the drying warm air guided by the air guide cover 31 to enter the cylinder body 1 to be more dispersed, and can rapidly dry the clothes 11 at the inner edge of the cylinder body 1, meanwhile, the clothes 11 at other positions can be taken into account, so that the drying efficiency of the dryer is improved, and the energy consumption of the dryer is reduced.

Example two

As shown in fig. 7 and 8, the embodiment of the application also provides a drying system, which comprises the clothes drying cylinder and a drying air channel communicated between an air outlet of the clothes drying cylinder and an air guide structure, wherein the drying air channel comprises a front air channel communicated with the air outlet of the clothes drying cylinder, a rear air channel 5 communicated with the air guide structure and an intermediate air channel positioned between the front air channel and the rear air channel, the intermediate air channel is positioned at the bottom of the clothes drying cylinder and flows through a heat pump device, and the air outlet of the rear air channel 5 is opposite to the bottom wall of the clothes drying cylinder.

Specifically, the warm air in the drying system is driven by the motor to form circulation by the centrifugal impeller 6, when the centrifugal impeller 6 rotates, negative pressure is formed at the side of the heat pump device 8, the dry warm air dried by the heat pump device 8 enters the roller through the rear air duct 5, the through hole on the rear side plate 4 and the air guide structure 3 on the roller chassis, the dry warm air contacts with the clothes 11 in the roller to take away the moisture on the clothes 11, enters the dryer base 9 through the air duct below the door body 10, the heat pump device 8 is arranged in the air duct of the base 9 and is used for condensing the moisture in the warm air, heating after drying, forming warm air with proper temperature and continuously circulating under the driving of the centrifugal impeller 6.

The back wind channel 5 in the drying system and the bottom of stoving bucket just right at diapire 2 of barrel 1 promptly, make dry warm braw can directly blow wind guiding structure 3, reduce the loss of dry warm braw, and through wind scooper 31 and ventilation hole 32 in wind guiding structure 3, can make the dry warm braw in barrel 1 form spiral air current, also dry the clothing 11 of barrel 1 inner edge department, make the drying effect of clothing 11 more even, improve the drying efficiency to clothing 11, and then reduce the required energy consumption of dry clothing 11, reduce the required time of dry clothing 11, improve customer's use experience.

The arrow direction in fig. 8 is the flow direction of the dry warm air.

Example III

The embodiment of the application also provides a clothes treatment device, which comprises:

the drying system.

Specifically, the clothes treatment device can be a clothes dryer or a washing and drying integrated machine with a drying function, clothes 11 can be dried rapidly and uniformly through a drying system, the energy consumption required for drying the clothes 11 is reduced, the time required for drying the clothes 11 is reduced, and the use experience of customers is improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (11)

1. A laundry dryer drum, comprising:

The cylinder body (1), the cylinder body (1) comprises a side wall and a bottom wall, a delivery opening is formed in the front end of the cylinder body on the side wall, an air outlet is formed in the position, close to the delivery opening, of the side wall, a cylinder cavity is formed by the side wall and the bottom wall in a surrounding mode, and the air outlet is communicated with the cylinder cavity;

The bottom wall (2) is provided with an air guide structure (3), and the air guide structure (3) is used for directly introducing the air of the drying system into the cylinder cavity from the bottom wall (2) and flowing to the air outlet in a cyclone mode.

2. The clothes drying drum according to claim 1, wherein the clothes drying drum comprises a main body,

The wind guiding structures (3) form a plurality of groups distributed in different rotation directions, and each group is distributed with a plurality of wind guiding structures (3) from the near to the far;

The plurality of groups of air guide structures are spirally distributed.

3. A laundry dryer drum according to claim 2, characterized in that,

Each wind guiding structure (3) comprises a vent hole (32) penetrating through the bottom wall (2) along the thickness of the bottom wall (2) and a wind guiding cover (31), the vent hole (32) and the wind guiding cover (31) extend from near to far along the rotation direction of the wind guiding structure (3) group, wherein the wind guiding cover (31) is arranged at the far end of the vent hole (32), and the wind guiding cover (31) protrudes to the outer side of the bottom wall.

4. A laundry dryer according to claim 3, characterized in that,

The air guide structure (3) further comprises an air guide groove, the air guide groove extends in the same direction with the vent hole (32) and the air guide cover (31), the air guide groove is arranged at the proximal end of the vent hole (32), and the air guide groove is concave to the inner side of the bottom wall (2).

5. The clothes drying drum according to claim 4, wherein the clothes drying drum comprises a main body,

The vent holes (32) are long arc-shaped holes and extend along the rotation direction of the group where the vent holes are located.

6. A laundry dryer according to claim 3, characterized in that,

The air guide cover (31) is in a horn mouth shape, and the outlet flow surface of the horn mouth shape is larger than the inlet flow surface of the horn mouth shape.

7. A laundry dryer according to claim 3, characterized in that,

The inclination angle a epsilon [20 DEG, 80 DEG ] of the top of the wind scooper (31) and the bottom wall (2).

8. A laundry dryer according to claim 3, characterized in that,

The air guide structure (3) is further provided with a first air guide plate (33), the first air guide plate (33) is arranged on one side, deviating from the arc center, of the vent hole (32), and the first air guide plate (33) is connected with the side part of the air guide cover (31).

9. The clothes drying drum according to claim 8, wherein the clothes drying drum comprises a main body,

The inclination angle b epsilon [20 DEG, 90 DEG ] of the first air deflector (33) and the bottom wall (2).

10. A drying system, comprising:

The clothes drying cylinder according to any one of claims 1-9 and a drying air duct communicated between an air outlet of the clothes drying cylinder and an air guide structure, wherein the drying air duct comprises a front air duct communicated with the air outlet of the clothes drying cylinder, a rear air duct (5) communicated with the air guide structure and an intermediate air duct positioned between the front air duct and the rear air duct, the intermediate air duct is positioned at the bottom of the clothes drying cylinder and flows through a heat pump device, and the air outlet of the rear air duct (5) is opposite to the bottom wall of the clothes drying cylinder.

11. A laundry treating apparatus, comprising:

The drying system of claim 10.