Outer barrel assembly and clothes processing equipment

Abstract

The invention provides an outer barrel assembly and clothes processing equipment, and belongs to the technical field of clothes processing. A drying air outlet is formed in the peripheral wall of the outer cylinder; a water inlet channel is formed in the rear wall of the outer cylinder; the condensing part is arranged behind the drying air outlet and in front of the water inlet channel, a first condensing surface of the condensing part is close to the water inlet channel, and a second condensing surface is close to the drying air outlet; condensate water in the water inlet channel can sequentially flow through the first condensation face and the inner side face of the rear wall of the outer barrel from top to bottom, and drying airflow in the outer barrel can flow from bottom to top and can be exhausted through the second condensation face and the drying air outlet. The drying airflow can exchange heat with condensed water when flowing through the inner side surface of the rear wall of the outer barrel and can exchange heat with the second condensing surface when flowing through the second condensing surface; the heat exchange area of drying airflow and condensate water is increased, the flow of the condensate water is increased, the condensate water is more evenly distributed on the inner side face of the rear wall of the outer barrel, the coverage area is larger, heat exchange of the drying airflow, the condensate water and condensation pieces is sufficient, dehumidification is thorough, the drying effect is good, and efficiency is high.

Description

Technical Field

[0001] The present invention belongs to the technical field of clothing processing, and in particular relates to an outer drum assembly and clothing processing equipment. Background Art

[0002] For clothing processing equipment that uses water-cooled dehumidification, there are three condensation methods: ① Duct condensation, that is, a condensation duct is set on the outside of the outer drum, and condensed water and drying air flow can flow through the condensation duct; ② Outer drum rear wall condensation, that is, the inner side of the outer drum rear wall is used as the condensation surface, and condensed water and drying air flow can flow through the condensation surface; ③ Combining duct condensation and outer drum rear wall condensation.

[0003] Duct condensation and outer cylinder rear wall condensation both have their own advantages and disadvantages. Duct condensation is limited by the defect of small flow area of ​​condensation duct, which makes the whole condensation duct have large wind resistance, small flow of drying airflow, small heat exchange area between drying airflow and condensed water, resulting in low drying efficiency. Outer cylinder rear wall condensation is limited by the setting of guide ribs and the shape of outer cylinder rear wall, and the flow of condensed water is small, unevenly distributed and has a small coverage area, resulting in insufficient heat exchange between condensed water and drying airflow and incomplete dehumidification. Summary of the invention

[0004] In view of this, the present invention provides an outer drum assembly and a clothing processing device to solve the problem that when the existing clothing processing devices use the outer drum rear wall condensation or the condensation combined with the air duct and the outer drum rear wall, the condensed water is affected by the shape of the guide ribs and the outer drum rear wall, and the flow rate, uneven distribution and small coverage area of ​​the condensed water are small, resulting in insufficient heat exchange between the condensed water and the drying airflow, incomplete dehumidification and low drying efficiency.

[0005] The present invention provides an outer drum assembly for a clothes processing device; the outer drum assembly comprises:

[0006] The outer cylinder comprises an outer cylinder peripheral wall and an outer cylinder rear wall, wherein the outer cylinder rear wall is arranged at one axial end of the outer cylinder peripheral wall; the upper end of the outer cylinder peripheral wall is provided with a drying air outlet connected to the outer cylinder, and the upper end of the outer cylinder rear wall is provided with a water inlet connected to the outer cylinder;

[0007] A condensation element is arranged in the outer cylinder, the condensation element is located behind the drying air outlet and in front of the water inlet; the condensation element comprises a first condensation surface and a second condensation surface arranged opposite to each other, the first condensation surface is close to the water inlet, and the second condensation surface is close to the drying air outlet;

[0008] The condensed water flowing into the outer cylinder from the water inlet first flows to the first condensation surface, then flows downward along the first condensation surface to the inner side surface of the rear wall of the outer cylinder, and then flows downward along the inner side surface of the rear wall of the outer cylinder;

[0009] During the flow of the condensed water from top to bottom, the drying airflow in the outer cylinder flows from bottom to top and is discharged through the second condensation surface and the drying air outlet; the drying airflow can exchange heat with the condensed water when flowing through the inner side surface of the rear wall of the outer cylinder, and can exchange heat with the second condensation surface when flowing through the second condensation surface.

[0010] Further optionally, the water outlet end of the water inlet is arranged to protrude from the inner side surface of the rear wall of the outer cylinder;

[0011] The first condensation surface and the second condensation surface are both formed with convex ribs;

[0012] The condensing element is a condensing plate, and the condensing element is made of a metal material with thermal conductivity.

[0013] Further optionally, the inner side surface of the rear wall of the outer cylinder is provided with guide ribs, and the guide ribs include converging ribs and diverting ribs; the converging ribs are arranged above the diverting ribs, the converging ribs are used to collect condensed water flowing from the first condensation surface to the inner side surface of the rear wall of the outer cylinder, and the diverting ribs are used to divert the condensed water collected by the converging ribs.

[0014] Further optionally, the converging rib is located between the condensing element and the rear wall of the outer cylinder, and the converging rib includes a first converging rib and a second converging rib; the first converging rib and the second converging rib are arranged opposite to each other on the left and right and form a converging channel; the converging channel includes a converging water inlet and a converging water outlet arranged opposite to each other up and down, the converging water inlet is located below the water inlet, and the flow area of ​​the converging water inlet is larger than the flow area of ​​the converging water outlet.

[0015] Further optionally, the guide rib further comprises a baffle rib; the baffle rib is arranged in the converging channel and close to the converging water outlet; the baffle rib contacts the first condensation surface and a side of the baffle rib close to the first condensation surface forms a plurality of baffle outlets, and the plurality of baffle outlets are arranged at intervals at least in the left and right directions; at least part of the condensed water in the converging channel can flow downwards through the plurality of baffle outlets respectively;

[0016] The flow area of ​​the baffle outlet can be adjusted by adjusting the thickness of the baffle rib and the width of the baffle rib in the axial direction of the outer cylinder.

[0017] Further optionally, the plurality of flow blocking water outlets include a plurality of first flow blocking water outlets and a plurality of second flow blocking water outlets; the flow dividing ribs include upper flow dividing ribs, and the upper flow dividing ribs are arranged at the bottom of the flow blocking ribs; the upper flow dividing ribs include first upper flow dividing ribs and second upper flow dividing ribs arranged at intervals in the left-right direction;

[0018] A first upper flow diversion channel is formed between the first converging rib and the first upper flow diversion rib, the first upper flow diversion channel includes a first upper flow diversion water inlet, the first upper flow diversion water inlet is connected to the first flow blocking water outlet; the condensed water flowing through the first flow blocking water outlet can enter the first upper flow diversion channel through the first upper flow diversion water inlet;

[0019] A second upper flow diversion channel is formed between the first upper flow diversion rib and the second upper flow diversion rib, and the second upper flow diversion channel includes a second upper flow diversion water inlet, and the second upper flow diversion water inlet is connected to the second flow blocking water outlet; condensed water flowing through the second flow blocking water outlet can enter the second upper flow diversion channel through the second upper flow diversion water inlet;

[0020] A third upper diverter channel is formed between the second upper diverter rib and the second converging rib, and the third upper diverter channel includes a third upper diverter water inlet, and the third upper diverter water inlet is connected to the converging channel; part of the condensed water in the converging channel can enter the third upper diverter channel through the third upper diverter water inlet.

[0021] Further optionally, the first upper diverter channel further includes a first upper diverter outlet, the first upper diverter outlet is located below the first upper diverter inlet; the second upper diverter channel further includes a second upper diverter outlet, the second upper diverter outlet is located below the second upper diverter inlet; the third upper diverter channel further includes a third upper diverter outlet, the third upper diverter outlet is located below the third upper diverter inlet;

[0022] The flow-dividing ribs further include middle flow-dividing ribs, and the middle flow-dividing ribs include a first middle flow-dividing rib, a second middle flow-dividing rib, and a third middle flow-dividing rib that are spaced apart in the left-right direction; one end of the first middle flow-dividing rib is arranged at the first upper flow-dividing water outlet, and the other end of the first middle flow-dividing rib extends to the lower left end of the rear wall of the outer cylinder; one end of the second middle flow-dividing rib is arranged at the second upper flow-dividing water outlet, and the other end of the second middle flow-dividing rib extends to the lower end of the rear wall of the outer cylinder; one end of the third middle flow-dividing rib is arranged at the third upper flow-dividing water outlet, and the other end of the third middle flow-dividing rib extends to the lower right end of the rear wall of the outer cylinder;

[0023] A first middle diverter channel is formed between the first middle diverter rib and the second middle diverter rib, and at least a portion of the condensed water in the first upper diverter channel and at least a portion of the condensed water in the second upper diverter channel can enter the first middle diverter channel; a second middle diverter channel is formed between the second middle diverter rib and the third middle diverter rib, and at least a portion of the condensed water in the second upper diverter channel and at least a portion of the condensed water in the third upper diverter channel can enter the second middle diverter channel.

[0024] Further optionally, the flow area of ​​the second upper diversion water outlet is larger than the flow area of ​​the first upper diversion water outlet, and the flow area of ​​the third upper diversion water outlet is larger than the flow area of ​​the first upper diversion water outlet.

[0025] Further optionally, one end of the first middle flow dividing rib extends into the first upper flow dividing channel with an extension length of L1, one end of the second middle flow dividing rib extends into the second upper flow dividing channel with an extension length of L2, and one end of the third middle flow dividing rib extends into the third upper flow dividing channel with an extension length of L3; L1, L2 and L3 satisfy:

[0026] 1mm≤L1≤5mm, 1mm≤L2≤5mm, 1mm≤L3≤5mm.

[0027] Further optionally, the diverter rib also includes a lower diverter rib, and the lower diverter rib includes a first lower diverter rib, a second lower diverter rib and a third lower diverter rib which are arranged at intervals in at least the left and right directions; one end of the first lower diverter rib, one end of the second lower diverter rib and one end of the third lower diverter rib are all arranged in the first middle diverter channel; the other end of the first lower diverter rib extends toward the lower left end of the rear wall of the outer cylinder, and the other end of the second lower diverter rib and the other end of the second lower diverter rib both extend to the lower right end of the rear wall of the outer cylinder.

[0028] Further optionally, the spacing between two adjacent guide ribs in each guide rib is s, and s satisfies: 5mm≤s≤15mm.

[0029] Further optionally, the guide rib and the rear wall of the outer cylinder are integrally formed; the width of the guide rib in the axial direction of the outer cylinder is b, and b satisfies: 1.5mm≤b≤10mm; the thickness of the guide rib on the side close to the rear wall of the outer cylinder is h, and h satisfies: 1.5mm≤h≤5mm.

[0030] The present invention also provides a clothing processing device, comprising a drying fan, a heating air duct, an inner drum and an outer drum assembly as described in any one of the above items; an outer drum opening is formed at the other axial end of the outer drum peripheral wall, and the outer drum opening is provided with a drying air inlet; the inner drum is rotatably arranged in the outer drum, and the clothes to be processed can be placed in the inner drum; the drying air outlet, the drying fan, the heating air duct, the drying air inlet and the outer drum are connected in sequence to form a drying circuit; the drying fan is used to provide power for the drying airflow to circulate in the drying circuit; a heating element is provided in the heating air duct, and the heating element is used to heat the drying airflow flowing through the heating air duct.

[0031] Compared with the prior art, the beneficial effects of the present invention are mainly:

[0032] The condensation element is arranged behind the drying air outlet and in front of the water inlet, the first condensation surface of the condensation element is close to the water inlet, and the second condensation surface is close to the drying air outlet; the condensed water in the water inlet can flow through the first condensation surface and the inner side surface of the rear wall of the outer cylinder from top to bottom in sequence, and the drying airflow in the outer cylinder can flow through the inner side surface of the rear wall of the outer cylinder, the second condensation surface and the drying air outlet from bottom to top in sequence; the drying airflow can exchange heat with the condensed water when flowing through the inner side surface of the rear wall of the outer cylinder, and can exchange heat with the second condensation surface when flowing through the second condensation surface; the heat exchange area between the drying airflow and the condensed water is increased, the flow rate of the condensed water is increased, the condensed water is more evenly distributed on the inner side surface of the rear wall of the outer cylinder and the coverage area is larger, so that the drying airflow, the condensed water and the condensation element can fully exchange heat, the dehumidification is thorough, and the drying effect is good and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0034] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0035] Figure 1 A schematic diagram of the assembly structure of an outer cylinder assembly embodiment provided by the present invention;

[0036] Figure 2a and Figure 2b A schematic diagram of the axial structure of an outer cylinder embodiment provided by the present invention;

[0037] Figure 2c for Figure 2a Enlarged view of point A in the middle;

[0038] Figure 3a A schematic diagram of the main structure of an outer cylinder embodiment provided by the present invention;

[0039] Figure 3b and Figure 3c for Figure 3a Enlarged view of point B in the middle;

[0040] Figure 4a and Figure 4bA schematic cross-sectional view of an embodiment of an outer cylinder provided by the present invention;

[0041] Figure 5 A schematic diagram of the structure of an embodiment of a condensing element provided by the present invention;

[0042] In the figure:

[0043] 1-outer cylinder; 11-peripheral wall of outer cylinder; 111-drying air outlet; 12-rear wall of outer cylinder; 121-water inlet;

[0044] 21-convergence rib; 211-first convergence rib; 212-second convergence rib; 213-convergence channel; 214-convergence water inlet; 215-convergence water outlet;

[0045] 22- flow blocking rib; 221- first flow blocking outlet; 222- second flow blocking outlet;

[0046] 23-diverter rib; 231-first upper diverter rib; 232-second upper diverter rib; 233-first middle diverter rib; 234-second middle diverter rib; 235-third middle diverter rib; 236-first lower diverter rib; 237-second lower diverter rib; 238-third lower diverter rib;

[0047] 241-first upper diversion channel; 242-second upper diversion channel; 243-third upper diversion channel; 244-first upper diversion water inlet; 245-first upper diversion water outlet; 246-second upper diversion water inlet; 247-second upper diversion water outlet; 248-third upper diversion water inlet; 249-third upper diversion water outlet;

[0048] 251-first middle diversion channel; 252-second middle diversion channel;

[0049] 3-condensation part; 31-first condensation surface; 32-second condensation surface; 33-convex rib. DETAILED DESCRIPTION

[0050] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two, but does not exclude the inclusion of at least one.

[0052] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0053] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0054] In the existing clothes processing equipment, when the condensation is performed on the rear wall of the outer drum or the condensation is performed by combining the air duct and the rear wall of the outer drum, the condensation on the rear wall of the outer drum is limited by the setting of the guide ribs and the shape of the rear wall of the outer drum, and the flow rate of the condensed water is small, the distribution is uneven, and the coverage area is small, resulting in insufficient heat exchange between the condensed water and the drying airflow and incomplete dehumidification;

[0055] The present invention creatively provides an outer drum assembly for a clothes processing device; a drying air outlet is arranged on the peripheral wall of the outer drum, and a water inlet is arranged on the rear wall of the outer drum; a condensing element is located behind the drying air outlet and in front of the water inlet; a first condensing surface of the condensing element is close to the water inlet, and a second condensing surface is close to the drying air outlet;

[0056] The condensed water in the water inlet can flow through the first condensation surface and the inner side surface of the rear wall of the outer cylinder from top to bottom in sequence, and the drying airflow in the outer cylinder can flow through the inner side surface of the rear wall of the outer cylinder, the second condensation surface and the drying air outlet from bottom to top in sequence; the drying airflow can exchange heat with the condensed water when flowing through the inner side surface of the rear wall of the outer cylinder, and can exchange heat with the second condensation surface when flowing through the second condensation surface; the heat exchange area between the drying airflow and the condensed water is increased, the flow rate of the condensed water is increased, the drying airflow, the condensed water and the condensation element are fully heat exchanged, and the dehumidification is thorough.

[0057] Example 1

[0058] like Figures 1 to 5As shown, this embodiment provides an outer drum assembly for a clothes processing device, especially for a clothes processing device with a drying function, such as a washer-dryer or a clothes dryer; the outer drum assembly includes:

[0059] The outer cylinder 1 comprises an outer cylinder peripheral wall 11 and an outer cylinder rear wall 12, wherein the outer cylinder rear wall 12 is arranged at one axial end of the outer cylinder peripheral wall 11, and an outer cylinder opening is formed at the other axial end of the outer cylinder peripheral wall 11; a drying air outlet 111 communicating with the outer cylinder 1 is arranged at the upper end of the outer cylinder peripheral wall 11, and a water inlet 121 communicating with the outer cylinder 1 is arranged at the upper end of the outer cylinder rear wall 12; the water inlet 121 can be integrally formed with the outer cylinder rear wall 12, or the outer cylinder rear wall 12 is formed with a water inlet, and the water inlet is provided with the water inlet 121;

[0060] The condensation element 3 is arranged in the outer cylinder 1, and is located behind the drying air outlet 111 and in front of the water inlet 121; the condensation element 3 includes a first condensation surface 31 and a second condensation surface 32 arranged opposite to each other, the first condensation surface 31 is close to the water inlet 121, and the second condensation surface 32 is close to the drying air outlet 111;

[0061] The condensed water flowing into the outer cylinder 1 from the water inlet 121 first flows to the first condensation surface 31, then flows downward along the first condensation surface 31 to the inner side surface of the outer cylinder rear wall 12, and then flows downward along the inner side surface of the outer cylinder rear wall 12; the first condensation surface 31 can make the condensed water flow slowly;

[0062] As the condensed water flows from top to bottom, the dry airflow in the outer cylinder 1 flows from bottom to top and can be discharged through the second condensation surface 32 and the drying air outlet 111; the dry airflow can exchange heat with the condensed water when flowing through the inner side surface of the outer cylinder rear wall 12, and can exchange heat with the second condensation surface 32 when flowing through the second condensation surface 32.

[0063] Specifically, the condensation member 3 is a condensation plate, and the condensation member 3 is made of a metal material with thermal conductivity, such as aluminum alloy and copper alloy (304 stainless steel plate), to ensure high-efficiency heat exchange; the projection of the condensation member 3 falls between the projection of the drying air outlet 111 and the projection of the water inlet 121; wherein, the projection of the condensation member 3 is the projection of the condensation member 3 in the vertical direction, the projection of the drying air outlet 111 is the projection of the drying air outlet 111 in the vertical direction, and the projection of the water inlet 121 is the projection of the water inlet 121 in the vertical direction;

[0064] Furthermore, the first condensation surface 31 and the second condensation surface 32 are both formed with a plurality of convex ribs 33, and the convex ribs 33 can increase the heat exchange area of ​​the first condensation surface 31 and the second condensation surface 32;

[0065] The water outlet end of the water inlet 121 is protruding from the inner side surface of the outer cylinder rear wall 12, so that the water inlet end of the water inlet 121 and the first condensation surface 31 are spaced apart. After the condensed water flows out of the water inlet 121, it is directly sprayed onto the first condensation surface 31 under the action of pressure; so that the drying airflow is fully in contact with the second condensation surface 32 for heat exchange when flowing through the second condensation surface 32.

[0066] When the condensed water flows through the inner side surface of the outer cylinder rear wall 12, the flow rate and distribution of the condensed water affect the heat exchange between the condensed water and the drying air flow, which is further explained below; the inner side surface of the outer cylinder rear wall 12 is provided with guide ribs, and the guide ribs include converging ribs 21, diverting ribs 23 and baffle ribs 22; the converging ribs 21 are arranged above the diverting ribs 23, and the converging ribs 21 are used to collect the condensed water flowing from the first condensation surface 31 to the inner side surface of the outer cylinder rear wall 12, and the diverting ribs 23 are used to divert the condensed water collected by the converging ribs 21.

[0067] The following further describes the flow guide ribs from three aspects: the converging ribs 21, the diverting ribs 23 and the baffle ribs 22;

[0068] First, the converging rib 21; the converging rib 21 is located between the condensing member 3 and the outer cylinder rear wall 12, and the converging rib 21 includes a first converging rib 211 and a second converging rib 212. One end of the first converging rib 211 and one end of the second converging rib 212 extend between the condensing member 3 and the outer cylinder rear wall 12, and the other end of the first converging rib 211 and the other end of the second converging rib 212 both extend to the lower end of the outer cylinder rear wall 12; the first converging rib 211 and the second converging rib 212 are arranged opposite to each other on the left and right and form a converging channel 213; the converging channel 213 includes a converging water inlet 214 and a converging water outlet 215 arranged opposite to each other up and down, and the converging water inlet 214 is located below the water inlet 121, and the flow area of ​​the converging water inlet 214 is greater than the flow area of ​​the converging water outlet 215; the condensed water in the water inlet 121 flows to the first condensing surface 31, and then enters the converging channel 213;

[0069] Second, the baffle rib 22; the baffle rib 22 is arranged in the confluence channel 213 and is arranged near the confluence outlet 215; the baffle rib 22 is in contact with the first condensation surface 31 and a plurality of baffle outlets are formed on the side of the baffle rib 22 close to the first condensation surface 31, and the plurality of baffle outlets are arranged at intervals at least in the left and right directions; at least part of the condensed water in the confluence channel 213 can flow downward through the plurality of baffle outlets respectively;

[0070] By adjusting the thickness of the baffle rib 22 and the width of the baffle rib 22 in the axial direction of the outer cylinder 1, the flow area of ​​the baffle outlet can be adjusted;

[0071] Specifically, the first condensation surface 31 abuts against the barrier rib; the plurality of barrier outlets include a plurality of first barrier outlets 221 and a plurality of second barrier outlets 222; at least part of the condensed water in the converging channel 213 can flow through the first barrier outlet 221, and at least part of the condensed water can flow through the second barrier outlet 222;

[0072] Third, the diverter rib 23; the diverter rib 23 includes an upper diverter rib, a middle diverter rib and a lower diverter rib arranged in sequence from top to bottom; the diverter rib 23 is further described from three aspects of the upper diverter rib, the middle diverter rib and the lower diverter rib;

[0073] ① The upper flow dividing rib is arranged at the bottom of the flow blocking rib 22, and the upper flow dividing rib and the flow blocking rib 22 are integrally formed; the upper flow dividing rib includes a first upper flow dividing rib 231 and a second upper flow dividing rib 232 which are arranged at intervals in the left-right direction;

[0074] A first upper flow-dividing channel 241 is formed between the first converging rib 211 and the first upper flow-dividing rib 231. The first upper flow-dividing channel 241 includes a first upper flow-dividing water inlet 244 and a first upper flow-dividing water outlet 245. The first upper flow-dividing water outlet 245 is located below the first upper flow-dividing water inlet 244. The first upper flow-dividing water inlet 244 is connected to the first flow-blocking water outlet 221. The condensed water flowing through the first flow-blocking water outlet 221 can enter the first upper flow-dividing channel 241 through the first upper flow-dividing water inlet 244. That is, part of the condensed water in the converging channel 213 can enter the first upper flow-dividing channel 241 through the first flow-blocking water outlet 221 and the first upper flow-dividing water inlet 244.

[0075] A second upper flow-dividing channel 242 is formed between the first upper flow-dividing rib 231 and the second upper flow-dividing rib 232. The second upper flow-dividing channel 242 includes a second upper flow-dividing water inlet 246 and a second upper flow-dividing water outlet 247. The second upper flow-dividing water outlet 247 is located below the second upper flow-dividing water inlet 246. The second upper flow-dividing water inlet 246 is connected to the second flow-blocking water outlet 222. The condensed water flowing through the second flow-blocking water outlet 222 can enter the second upper flow-dividing channel 242 through the second upper flow-dividing water inlet 246. That is, part of the condensed water in the converging channel 213 can enter the second upper flow-dividing channel 242 through the second flow-blocking water outlet 222 and the second upper flow-dividing water inlet 246.

[0076] A third upper flow-dividing channel 243 is formed between the second upper flow-dividing rib 232 and the second flow-converging rib 212. The third upper flow-dividing channel 243 includes a third upper flow-dividing water inlet 248 and a third upper flow-dividing water outlet 249. The third upper flow-dividing water outlet 249 is located below the third upper flow-dividing water inlet 248. The third upper flow-dividing water inlet 248 is connected to the converging channel 213. Part of the condensed water in the converging channel 213 can enter the third upper flow-dividing channel 243 through the third upper flow-dividing water inlet 248. That is, part of the condensed water in the converging channel 213 can enter the third upper flow-dividing channel 243 through the third upper flow-dividing water inlet 248.

[0077] In summary, the condensed water in the confluence channel 213 is divided into three streams and enters the first upper diversion channel 241, the second upper diversion channel 242 and the third upper diversion channel 243 respectively;

[0078] Specifically, the flow area of ​​the second upper diversion outlet 247 is greater than the flow area of ​​the first upper diversion outlet 245, and the flow area of ​​the third upper diversion outlet 249 is greater than the flow area of ​​the first upper diversion outlet 245; so that the condensation water flow rate flowing through the second upper diversion channel 242 and the third upper diversion channel 243 is greater than the condensation water flow rate flowing through the first upper diversion channel 241.

[0079] The ratio of the flow area of ​​the first flow-blocking water outlet 221, the flow area of ​​the second flow-blocking water outlet 222 and the flow area of ​​the third upper diversion water inlet 248 is 1:2:3, that is, the condensed water flow of the first flow-blocking water outlet 221, the second flow-blocking water outlet 222 and the third upper diversion water inlet 248 accounts for 1 / 6, 1 / 3 and 1 / 2 of the total condensed water flow respectively; the main function of the flow-blocking rib 22 is to block the condensed water for the subsequent diversion of the condensed water, that is, first converge and then divert; an upper diversion rib is set at the bottom of the flow-blocking rib 22 to guide the condensed water to flow to the middle diversion rib 23, so as to realize the precise control of the condensed water flow distribution;

[0080] The inclination angle of the guide rib is controlled within the interval [30°, 60°]; wherein, when the guide rib is a straight line, the inclination angle of the guide rib is the angle between the extension direction of the guide rib and the horizontal plane; when the guide rib is an arc, the inclination angle of the guide rib is the angle between the tangent direction of the guide rib and the horizontal plane; if the inclination angle of the guide rib is too small (less than 30°), the flow velocity of the condensed water on the guide rib is too slow, causing the condensed water to flow directly downward along the gravity direction over the guide rib; if the inclination angle of the guide rib is too large (greater than 60°), the flow velocity of the condensed water on the guide rib is too fast, causing the flow velocity of the condensed water on the subsequent guide rib to be too fast, the "residence" time of the condensed water on the rear wall 12 of the outer cylinder is too short, and the heat exchange is insufficient; therefore, setting the inclination angle of the guide rib within the interval [30°, 60°] can achieve a reasonable flow velocity of the condensed water on the guide rib and ensure a relatively ideal heat exchange efficiency;

[0081] The baffle outlet is formed by the condensation member 3 and the baffle rib 22. By controlling the thickness of the baffle rib 22 and the axial width of the baffle rib 22 in the outer tube 1, the flow area of ​​the baffle outlet can be controlled, thereby controlling the flow rate of condensed water flowing through the baffle outlet. By setting the baffle rib 22, the convergence of condensed water is achieved, that is, the condensed water passing through the first condensation surface 31 is gathered at the baffle rib 22 under the shielding of the baffle rib 22; after converging at the baffle rib 22, it flows downward along each baffle outlet.

[0082] ② The middle diverter ribs include a first middle diverter rib 233, a second middle diverter rib 234 and a third middle diverter rib 235 which are arranged at intervals in the left-right direction; one end of the first middle diverter rib 233 is arranged at the first upper diverter outlet 245, and the other end of the first middle diverter rib 233 extends to the lower left end of the outer cylinder rear wall 12; one end of the second middle diverter rib 234 is arranged at the second upper diverter outlet 247, and the other end of the second middle diverter rib 234 extends to the lower end of the outer cylinder rear wall 12; one end of the third middle diverter rib 235 is arranged at the third upper diverter outlet 249, and the other end of the third middle diverter rib 235 extends to the lower right end of the outer cylinder rear wall 12;

[0083] A first middle flow-dividing channel 251 is formed between the first middle flow-dividing rib 233 and the second middle flow-dividing rib 234. At least a portion of the condensed water in the first upper flow-dividing channel 241 and at least a portion of the condensed water in the second upper flow-dividing channel 242 can enter the first middle flow-dividing channel 251.

[0084] A second middle flow-dividing channel 252 is formed between the second middle flow-dividing rib 234 and the third middle flow-dividing rib 235, and at least a portion of the condensed water in the second upper flow-dividing channel 242 and at least a portion of the condensed water in the third upper flow-dividing channel 243 can enter the second middle flow-dividing channel 252;

[0085] In summary, the condensed water in the first upper flow channel 241, the second upper flow channel 242 and the third upper flow channel 243 is divided into four streams, which respectively enter the left side of the first middle flow channel 251, the first middle flow channel 251, the second middle flow channel 252 and the right side of the second middle flow channel 252;

[0086] Specifically, one end of the first middle diverter rib 233 extends into the first upper diverter channel 241 and the extension length is L1, one end of the second middle diverter rib 234 extends into the second upper diverter channel 242 and the extension length is L2, and one end of the third middle diverter rib 235 extends into the third upper diverter channel 243 and the extension length is L3; L1, L2 and L3 satisfy: 1mm≤L1≤5mm, 1mm≤L2≤5mm, 1mm≤L3≤5mm, so as to achieve a better flow diversion effect.

[0087] ③ The lower diverter ribs include a first lower diverter rib 236, a second lower diverter rib 237 and a third lower diverter rib 238 which are arranged at intervals in at least the left and right directions; one end of the first lower diverter rib 236, one end of the second lower diverter rib 237 and one end of the third lower diverter rib 238 are all arranged in the first middle diverter channel 251; the other end of the first lower diverter rib 236 extends to the lower left end of the outer cylinder rear wall 12, and the other end of the second lower diverter rib 237 and the other end of the second lower diverter rib 237 both extend to the lower right end of the outer cylinder rear wall 12;

[0088] Specifically, the extension directions of the first lower diverter rib 236 and the first middle lower diverter rib are approximately the same, and the extension directions of the third lower diverter rib 238 and the third middle diverter rib 235 are approximately the same; the condensed water in the first middle diverter channel 251 and part of the condensed water in the second middle diverter channel 252 can flow along the first lower diverter rib 236 to the lower left end of the outer tube rear wall 12, part of the condensed water in the second middle diverter channel 252 can flow along the second lower diverter rib 237 to the middle and lower end of the outer tube rear wall 12, and the condensed water in the third upper diverter channel 243 can flow along the third lower diverter rib 238 to the lower left end of the outer tube rear wall 12.

[0089] The spacing between two adjacent guide ribs in the above-mentioned guide ribs is s, and s satisfies: 5mm≤s≤15mm; to ensure that the condensed water does not overflow the guide ribs when the amount of condensed water is large.

[0090] In addition, the guide rib and the rear wall 12 of the outer cylinder are integrally formed; the width of the guide rib in the axial direction of the outer cylinder 1 is b, and b satisfies: 1.5mm≤b≤10mm;

[0091] The thickness of the guide rib on one side close to the rear wall 12 of the outer cylinder is h, and h satisfies: 1.5mm≤h≤5mm; the molding quality of the guide rib is ensured.

[0092] In summary, the condensed water from the outside first flows to the first condensation surface 31 through the water inlet 121, then flows along the first condensation surface 31 to the inner side surface of the outer cylinder rear wall 12, and then flows downward along the inner side surface of the outer cylinder rear wall 12; in the process of the condensed water flowing from top to bottom, the drying air flow flows from bottom to top, and is discharged through the second condensation surface 32 and the drying air outlet 111; when flowing through the inner side surface of the outer cylinder rear wall 12, the drying air flow completes the primary heat exchange with the condensed water, and when flowing through the second condensation surface 32, the drying air flow completes the secondary heat exchange with the second condensation surface 32; after two-stage heat exchange, sufficient heat exchange of the drying air flow is guaranteed; The defect of large wind resistance of the condensation duct when the condensation duct is set is optimized, and a smoother heat exchange is achieved. Under the action of the drying fan, the drying airflow circulates in the drying circuit at the maximum flow rate; the disadvantage that the condensation water flow rate cannot be effectively increased when the rear wall 12 of the existing outer drum is condensed (when the flow rate of the condensation water is large, it is easy to enter the inner drum and wet the clothes) is improved; the present invention realizes confluence through the confluence rib 21 and diversion through the diversion rib 23, so that the condensation water can flow along a predetermined route; the flow rate of the diversion channel is distributed by controlling the size of the diversion outlet, and a more accurate condensation effect is achieved;

[0093] The condensation element 3 not only serves as the first condensation surface 31 for heat exchange with the condensed water and the second condensation surface 32 for heat exchange with the drying airflow, but also serves as a baffle of the water inlet 121 to ensure the stability of the condensed water when it flows from the water inlet 121 to the first condensation surface 31, so that the condensed water flows horizontally;

[0094] The condensed water in the converging channel 213 is divided into three streams and enters the first upper diversion channel 241, the second upper diversion channel 242 and the third upper diversion channel 243 respectively; then it is divided into four streams and enters the left side of the first middle diversion channel 251, the first middle diversion channel 251, the second middle diversion channel 252 and the right side of the second middle diversion channel 252 respectively; then it flows along the first lower diversion rib 236 to the lower left end of the outer cylinder rear wall 12, flows along the second lower diversion rib 237 to the middle and lower end of the outer cylinder rear wall 12, and flows along the third lower diversion rib 238 to the lower left end of the outer cylinder rear wall 12; the coverage area of ​​the condensed water on the inner side of the outer cylinder rear wall 12 is expanded, so that the condensed water and the drying airflow are fully in contact; by increasing the condensed water flow rate, the heat exchange efficiency is further improved, and at the same time, it can be avoided that the condensed water flow rate is too large and flows into the inner cylinder to wet the clothes.

[0095] Example 2

[0096] On the basis of Example 1, this embodiment proposes a clothing processing device, comprising a drying fan, a heating air duct, an inner drum and an outer drum assembly as described in any one of the above items; an outer drum opening is formed at the other axial end of the outer drum peripheral wall 11, and the outer drum opening is provided with a drying air inlet; the inner drum is rotatably arranged in the outer drum 1, and the clothes to be processed can be placed in the inner drum; the drying air outlet 111, the drying fan, the heating air duct, the drying air inlet and the outer drum 1 are connected in sequence to form a drying circuit; the drying fan is used to provide power for the drying airflow to circulate in the drying circuit; a heating element is provided in the heating air duct, and the heating element is used to heat the drying airflow flowing through the heating air duct.

[0097] The exemplary embodiments of the present disclosure are specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structures, configurations or implementations described herein; on the contrary, the present disclosure is intended to cover various modifications and equivalent configurations included in the spirit and scope of the appended claims.

Claims

1. An outer drum assembly for a clothes processing device; characterized in that: The outer cylinder assembly comprises: An outer cylinder (1), comprising an outer cylinder peripheral wall (11) and an outer cylinder rear wall (12), wherein the outer cylinder rear wall (12) is arranged at one axial end of the outer cylinder peripheral wall (11); a drying air outlet (111) communicating with the outer cylinder (1) is arranged at the upper end of the outer cylinder peripheral wall (11), and a water inlet (121) communicating with the outer cylinder (1) is arranged at the upper end of the outer cylinder rear wall (12); A condensation element (3) is arranged in the outer cylinder (1), and the condensation element (3) is located behind the drying air outlet (111) and in front of the water inlet (121); the condensation element (3) comprises a first condensation surface (31) and a second condensation surface (32) which are arranged opposite to each other in the front and rear, the first condensation surface (31) is close to the water inlet (121), and the second condensation surface (32) is close to the drying air outlet (111); The condensed water flowing into the outer cylinder (1) from the water inlet (121) first flows to the first condensation surface (31), then flows downward along the first condensation surface (31) to the inner side surface of the rear wall (12) of the outer cylinder, and then flows downward along the inner side surface of the rear wall (12) of the outer cylinder; During the process of the condensed water flowing from top to bottom, the drying air flow in the outer cylinder (1) flows from bottom to top and is discharged through the second condensation surface (32) and the drying air outlet (111); the drying air flow can exchange heat with the condensed water when flowing through the inner side surface of the rear wall (12) of the outer cylinder, and can exchange heat with the second condensation surface (32) when flowing through the second condensation surface (32).

2. The outer cylinder assembly according to claim 1, characterized in that: The water outlet end of the water inlet channel (121) is arranged to protrude from the inner side surface of the rear wall (12) of the outer cylinder; The first condensation surface (31) and the second condensation surface (32) are both formed with convex ribs (33); The condensing element (3) is a condensing plate, and the condensing element (3) is made of a metal material with thermal conductivity.

3. The outer cylinder assembly according to claim 1, characterized in that: The inner side surface of the outer cylinder rear wall (12) is provided with guide ribs, and the guide ribs include converging ribs (21) and diverting ribs (23); the converging ribs (21) are arranged above the diverting ribs (23), the converging ribs (21) are used to collect condensed water flowing from the first condensation surface (31) to the inner side surface of the outer cylinder rear wall (12), and the diverting ribs (23) are used to divert the condensed water collected by the converging ribs (21).

4. The outer cylinder assembly according to claim 3, characterized in that: The converging rib (21) is located between the condensing element (3) and the rear wall (12) of the outer cylinder, and the converging rib (21) includes a first converging rib (211) and a second converging rib (212); the first converging rib (211) and the second converging rib (212) are arranged opposite to each other on the left and right and form a converging channel (213); the converging channel (213) includes a converging water inlet (214) and a converging water outlet (215) arranged opposite to each other in the upper and lower parts, the converging water inlet (214) is located below the water inlet (121), and the flow area of ​​the converging water inlet (214) is greater than the flow area of ​​the converging water outlet (215).

5. The outer cylinder assembly according to claim 4, characterized in that: The flow-guiding rib further comprises a flow-blocking rib (22); the flow-blocking rib (22) is arranged in the converging channel (213) and close to the converging water outlet (215); the flow-blocking rib (22) is in contact with the first condensation surface (31), and a plurality of flow-blocking water outlets are formed on a side of the flow-blocking rib (22) close to the first condensation surface (31), and the plurality of flow-blocking water outlets are arranged at intervals at least in the left-right direction; at least part of the condensed water in the converging channel (213) can flow downwards through the plurality of flow-blocking water outlets respectively; By adjusting the thickness of the baffle rib (22) and the width of the baffle rib (22) in the axial direction of the outer cylinder (1), the flow area of ​​the baffle outlet can be adjusted.

6. The outer cylinder assembly according to claim 5, characterized in that: The plurality of flow blocking water outlets include a plurality of first flow blocking water outlets (221) and a plurality of second flow blocking water outlets (222); the flow dividing ribs (23) include upper flow dividing ribs, and the upper flow dividing ribs are arranged at the bottom of the flow blocking ribs (22); the upper flow dividing ribs include a first upper flow dividing rib (231) and a second upper flow dividing rib (232) arranged at intervals in the left-right direction; A first upper flow diversion channel (241) is formed between the first converging rib (211) and the first upper flow diversion rib (231), and the first upper flow diversion channel (241) comprises a first upper flow diversion water inlet (244), and the first upper flow diversion water inlet (244) is connected to the first flow blocking water outlet (221); condensed water flowing through the first flow blocking water outlet (221) can enter the first upper flow diversion channel (241) through the first upper flow diversion water inlet (244); A second upper flow diversion channel (242) is formed between the first upper flow diversion rib (231) and the second upper flow diversion rib (232); the second upper flow diversion channel (242) comprises a second upper flow diversion water inlet (246); the second upper flow diversion water inlet (246) is connected to the second flow blocking water outlet (222); condensed water flowing through the second flow blocking water outlet (222) can enter the second upper flow diversion channel (242) through the second upper flow diversion water inlet (246); A third upper diverter channel (243) is formed between the second upper diverter rib (232) and the second converging rib (212), and the third upper diverter channel (243) includes a third upper diverter water inlet (248), and the third upper diverter water inlet (248) is connected to the converging channel (213); part of the condensed water in the converging channel (213) can enter the third upper diverter channel (243) through the third upper diverter water inlet (248).

7. The outer cylinder assembly according to claim 6, characterized in that: The first upper flow-dividing channel (241) further comprises a first upper flow-dividing water outlet (245), and the first upper flow-dividing water outlet (245) is located below the first upper flow-dividing water inlet (244); the second upper flow-dividing channel (242) further comprises a second upper flow-dividing water outlet (247), and the second upper flow-dividing water outlet (247) is located below the second upper flow-dividing water inlet (246); the third upper flow-dividing channel (243) further comprises a third upper flow-dividing water outlet (249), and the third upper flow-dividing water outlet (249) is located below the third upper flow-dividing water inlet (248); The flow-dividing rib (23) further comprises a middle flow-dividing rib, and the middle flow-dividing rib comprises a first middle flow-dividing rib (233), a second middle flow-dividing rib (234), and a third middle flow-dividing rib (235) which are arranged at intervals in the left-right direction; one end of the first middle flow-dividing rib (233) is arranged at the first upper flow-dividing water outlet (245), and the other end of the first middle flow-dividing rib (233) extends to the lower left end of the outer cylinder rear wall (12); one end of the second middle flow-dividing rib (234) is arranged at the second upper flow-dividing water outlet (247), and the other end of the second middle flow-dividing rib (234) extends to the lower end of the outer cylinder rear wall (12); one end of the third middle flow-dividing rib (235) is arranged at the third upper flow-dividing water outlet (249), and the other end of the third middle flow-dividing rib (235) extends to the lower right end of the outer cylinder rear wall (12); A first middle flow diversion channel (251) is formed between the first middle flow diversion rib (233) and the second middle flow diversion rib (234), and at least a portion of the condensed water in the first upper flow diversion channel (241) and at least a portion of the condensed water in the second upper flow diversion channel (242) can enter the first middle flow diversion channel (251); a second middle flow diversion channel (252) is formed between the second middle flow diversion rib (234) and the third middle flow diversion rib (235), and at least a portion of the condensed water in the second upper flow diversion channel (242) and at least a portion of the condensed water in the third upper flow diversion channel (243) can enter the second middle flow diversion channel (252).

8. The outer cylinder assembly according to claim 7, characterized in that: The flow area of ​​the second upper split water outlet (247) is greater than the flow area of ​​the first upper split water outlet (245), and the flow area of ​​the third upper split water outlet (249) is greater than the flow area of ​​the first upper split water outlet (245).

9. The outer cylinder assembly according to claim 7, characterized in that: One end of the first middle flow dividing rib (233) extends into the first upper flow dividing channel (241) with an extension length of L1, one end of the second middle flow dividing rib (234) extends into the second upper flow dividing channel (242) with an extension length of L2, and one end of the third middle flow dividing rib (235) extends into the third upper flow dividing channel (243) with an extension length of L3; L1, L2 and L3 satisfy: 1mm≤L1≤5mm, 1mm≤L2≤5mm, 1mm≤L3≤5mm.

10. The outer cylinder assembly according to claim 7, characterized in that: The diverter rib (23) further comprises a lower diverter rib, and the lower diverter rib comprises a first lower diverter rib (236), a second lower diverter rib (237) and a third lower diverter rib (238) which are arranged at intervals in at least the left-right direction; one end of the first lower diverter rib (236), one end of the second lower diverter rib (237) and one end of the third lower diverter rib (238) are all arranged in the first middle diverter channel (251); the other end of the first lower diverter rib (236) extends toward the lower left end of the outer cylinder rear wall (12), and the other end of the second lower diverter rib (237) and the other end of the second lower diverter rib (237) both extend toward the lower right end of the outer cylinder rear wall (12).

11. The outer cylinder assembly according to claim 10, characterized in that: The distance between two adjacent guide ribs in each guide rib is s, and s satisfies: 5mm≤s≤15mm.

12. The outer cylinder assembly according to claim 3, characterized in that: The guide rib and the outer cylinder rear wall (12) are integrally formed; the guide rib has an axial width b of the outer cylinder (1), and b satisfies: 1.5 mm ≤ b ≤ 10 mm; the guide rib has a thickness h on a side close to the outer cylinder rear wall (12), and h satisfies: 1.5 mm ≤ h ≤ 5 mm.

13. A clothes processing device, characterized in that: The invention comprises a drying fan, a heating air duct, an inner drum and an outer drum assembly as claimed in any one of claims 1 to 12; an outer drum opening is formed at the other axial end of the outer drum peripheral wall (11), and the outer drum opening is provided with a drying air inlet; the inner drum is rotatably arranged in the outer drum (1), and clothes to be processed can be placed in the inner drum; the drying air outlet (111), the drying fan, the heating air duct, the drying air inlet and the outer drum (1) are connected in sequence to form a drying circuit; the drying fan is used to provide power for the drying air flow to circulate in the drying circuit; a heating element is provided in the heating air duct, and the heating element is used to heat the drying air flow flowing through the heating air duct.

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