Clothes processing device and control method

Abstract

The present invention provides a clothing processing device and a control method, the clothing processing device includes an outer drum and a drying system; the outer drum is formed with a peripheral wall air outlet, a peripheral wall water inlet and a drying air outlet; the drying air inlet is formed at the drum mouth of the outer drum; the drying system includes a main drying air duct, a branch drying air duct, a water box and a cooling box; the main drying air duct is connected between the drying air inlet and the drying air outlet and forms a main ventilation port; the branch drying air duct includes a first branch air duct section and a second branch air duct section; one end of the first branch air duct section is connected to the peripheral wall air outlet, and a first branch ventilation port is formed on the side wall of the first branch air duct section; one end of the second branch air duct section is connected to the main ventilation port; one end of the water box is connected to the peripheral wall water inlet, and the other end is connected to the first branch ventilation port; the cooling box is connected to the other end of the first branch air duct section and the other end of the second air duct section; the drying airflow is fully utilized, the condensation efficiency is improved, and condensation in the water box is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of clothes drying, and in particular relates to a clothes processing device and a control method. Background Art

[0002] For clothing processing equipment that uses water-cooled drying, the drying system includes a condensing duct and a heating duct. The hot and humid drying air flow enters the condensing duct and directly or indirectly contacts with the condensed water to complete heat exchange, and is then converted into a dry and cold drying air flow; then it enters the heating duct through the fan and is converted into a high-temperature, dry and hot drying air flow under the heating action of the heating element; the drying air flow enters the outer drum and exchanges heat with the clothes in the inner drum to dry the clothes; in the prior art, the drying air flow in the outer drum is input into the water box and discharged, which makes it easy for condensation to form in the water box; the condensation efficiency is low, and the high-humidity drying air flow is not fully utilized, resulting in a long drying time. Summary of the Invention

[0003] In view of this, the present invention provides a clothing processing device and a control method to solve the problems in the prior art of condensation easily generated in the water box when the drying airflow flows through the water box, low condensation efficiency, and low utilization rate of the drying airflow with high humidity.

[0004] The present invention provides a clothes processing device, comprising an outer drum and a drying system; the outer drum is formed with an outer wall air outlet and an outer wall water inlet, the rear wall of the outer drum is formed with a drying air outlet, and the outer drum opening is formed with a drying air inlet; the drying system comprises:

[0005] A main drying air duct connected between the drying air inlet and the drying air outlet; the main drying air duct is formed with a main vent;

[0006] The drying branch air duct comprises a first branch air duct section and a second branch air duct section; one end of the first branch air duct section is connected to the peripheral wall air outlet, and a first branch vent is formed on the side wall of the first branch air duct section; one end of the second branch air duct section is connected to the main vent;

[0007] A water box, one end of which is connected to the water inlet of the peripheral wall, and the other end of which is connected to the first ventilation port;

[0008] A cooling box is used to connect the other end of the first branch air duct segment and the other end of the second branch air duct segment.

[0009] Further optionally, the main drying air duct includes a heating air duct section and a condensing air duct section, one end of the heating air duct section is connected to the drying air inlet, and one end of the condensing air duct section is connected to the drying air outlet; a drying fan is arranged between the heating air duct section and the condensing air duct section; the main vent is formed on the side wall of the condensing air duct section.

[0010] Further optionally, the drying fan is formed with a blade cavity, a first blade cavity air inlet is formed on a side wall of the blade cavity, the drying air outlet includes a first drying air outlet, and the condensing air duct section includes a first condensing air duct section; the first drying air outlet and the first blade cavity air inlet are connected through the first condensing air duct section; the main vent is formed on the side wall of the condensing air duct section, and the main vent is close to the first blade cavity air inlet;

[0011] A second blade cavity air inlet is formed on a side wall of the blade cavity; the drying air outlet includes a second drying air outlet, and the second drying air outlet is located above the first drying air outlet; the condensing air duct section also includes a second condensing air duct section; the second drying air outlet and the second blade cavity air inlet are connected through the second condensing air duct section;

[0012] Further optionally, the side wall of the fan blade cavity is also formed with a fan blade cavity air outlet and an opening, the fan blade cavity air outlet is connected to the heating air duct section; the opening is connected to the external environment where the drying fan is located, and the opening is used to introduce fresh air from the external environment into the fan blade cavity.

[0013] Further optionally, an inner water inlet valve is provided on the peripheral wall of the outer tub; a condensation zone is formed between the inner side surface of the rear wall of the outer tub and the inner side surface of the peripheral wall of the outer tub, and the condensation zone is connected to both the first drying air outlet and the inner water inlet valve;

[0014] An external water inlet valve is provided on the side wall of the second condensation air duct section, and the outer side surface of the rear wall of the outer cylinder forms the second condensation air duct section, which is connected to the external water inlet valve.

[0015] Further optionally, a second ventilation port is formed on the side wall of the second air duct; the clothing processing device further comprises a box body, and an exhaust port is formed on the side wall of the box body; the exhaust port and the second ventilation port are connected through an exhaust pipe.

[0016] Further optionally, the clothes processing device further includes a pressure relief member, which is arranged in the exhaust duct and close to the exhaust port.

[0017] Further optionally, a branch air duct water inlet is formed on the side wall of the second branch air duct, and a rear wall water inlet is formed on the rear wall of the outer cylinder;

[0018] The clothing processing device also includes a water inlet valve group and a condensation water inlet pipe, and the water inlet valve group is arranged on the box body; the water inlet valve group includes a condensation water inlet valve, and the condensation water inlet pipe includes a condensation water inlet main pipe, a first condensation water inlet branch pipe and a second condensation water inlet branch pipe; the water inlet end of the condensation water inlet main pipe is connected to the condensation water inlet valve, and one water outlet end of the condensation water inlet main pipe is connected to the water inlet end of the first condensation water inlet branch pipe, and the water outlet end of the first condensation water inlet branch pipe is connected to the water inlet of the branch air duct; the other water outlet end of the condensation water inlet main pipe is connected to the water inlet end of the second condensation water inlet branch pipe, and the water outlet end of the second condensation water inlet branch pipe is connected to the water inlet of the rear wall.

[0019] The present invention also provides a control method for a clothes processing device, wherein the clothes processing device is the clothes processing device described above; the clothes processing device is provided with a drying process, and the drying process includes an initial drying stage and an intermediate drying stage. The control method:

[0020] determining a current stage of a drying process of the laundry treatment device;

[0021] When the current stage is the initial stage of drying, controlling the pressure relief component to close;

[0022] When the current stage is the middle drying stage, the pressure relief member is controlled to open.

[0023] Further optionally, determining the current stage of the drying process includes:

[0024] Obtaining the current pressure of the drying airflow in the outer drum;

[0025] comparing the current pressure with a preset pressure;

[0026] When the current pressure is less than or equal to the preset pressure, determining that the current stage of the drying process is the initial drying stage;

[0027] When the current pressure is greater than the preset pressure, it is determined that the current stage of the drying process is the middle drying stage.

[0028] Compared with the prior art, the beneficial effects of the present invention are mainly:

[0029] The main drying duct is connected between the drying air inlet and the drying air outlet, and the main drying air duct forms a main ventilation port; the drying branch duct includes a first branch duct section and a second branch duct section, one end of the first duct section is connected to the peripheral wall air outlet, and a first branch ventilation port is formed on the side wall of the first branch duct section; one end of the second duct section is connected to the main ventilation port; one end of the water box is connected to the water inlet, and the other end is connected to the first ventilation port; the cooling box is connected to the other end of the first duct section and the other end of the second duct section; a part of the drying air flow in the outer cylinder can enter the first duct section; a large part of this part of the drying air flow flows through the cooling box and the second duct section in turn into the main air duct, and exchanges heat with the cooling water when flowing through the cooling box, reduces the humidity, makes full use of the drying air flow, improves the condensation efficiency, and solves the problem of low condensation efficiency and low utilization rate of drying air flow with high humidity in the existing technology; a large part of this part of the drying air flow is discharged through the water box, avoiding condensation in the water box, and solving the problem that condensation is easy to occur in the water box when the drying air flow flows through the water box. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely exemplary, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0031] The structures, proportions, sizes, etc. illustrated in this specification are intended only to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in sizes, without affecting the efficacy and objectives of the present invention, shall still fall within the scope of the technical contents disclosed herein.

[0032] Figure 1 A schematic structural diagram of an embodiment of a clothes processing device provided by the present invention;

[0033] Figure 2 A schematic diagram of the internal structure of a cooling box embodiment provided by the present invention;

[0034] Figure 3 A schematic flow chart of an embodiment of a control method for a clothes processing device provided by the present invention;

[0035] Figure 4a This is a schematic structural diagram of an embodiment of a drying airflow path when the clothes processing device provided by the present invention is in the initial drying stage;

[0036] Figure 4bThis is a structural schematic diagram of an embodiment of a drying airflow path when the clothes processing device provided by the present invention is in the middle drying stage;

[0037] Figure 5a 、 Figure 5b and Figure 5c This is a schematic structural diagram of an embodiment of a drying system provided by the present invention;

[0038] Figure 6 A schematic diagram of the assembly structure of the first fan blade and the second fan blade embodiment provided by the present invention;

[0039] In the picture:

[0040] 11 - Outer cylinder; 111 - Peripheral wall air outlet; 112 - Peripheral wall water inlet; 113 - First drying air outlet; 114 - Second drying air outlet; 115 - Rear wall water inlet; 116 - Condensation area; 12 - Inner cylinder; 121 - Drying air inlet; 13 - Cabinet; 14 - Water box; 151 - Outer cylinder water inlet pipe; 152 - Water box air inlet duct;

[0041] 21 - Drying main air duct; 211 - Heating air duct section; 212 - First condensing air duct section; 2121 - Main vent; 221 - First branch air duct section; 2211 - First branch vent; 222 - Second branch air duct section; 2221 - Second branch vent; 23 - Cooling box; 231 - First cooling channel; 232 - Second cooling channel; 241 - Second condensing air duct section; 242 - Exhaust pipe; 251 - Heating element; 252 - Pressure relief element; 26 - Water inlet valve; 271 - First condensing water inlet branch pipe; 272 - Second condensing water inlet branch pipe; 273 - Condensing water inlet main pipe;

[0042] 3-drying fan; 31-first volute; 311-opening; 32-second volute; 33-blade cavity; 341-first blade; 342-second blade; 35-blade motor; 351-motor body; 352-output shaft; 36-motor bracket; 37-partition; 371-support portion; 372-partition portion; 373-partition cavity. DETAILED DESCRIPTION

[0043] The following describes the implementation of the present invention using specific embodiments. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. Obviously, the embodiments described are only a portion of the present invention, not all of it. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are intended to fall within the scope of protection of the present invention.

[0044] The terms used in the embodiments of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The singular forms "a," "the," 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 otherwise. "A plurality" generally includes at least two, but does not exclude the inclusion of at least one.

[0045] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0046] It should also be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprises a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0047] In the prior art, the drying airflow in the outer drum is input into the water box and then discharged, which causes condensation to form in the water box. The condensation efficiency is low, and the high-humidity drying airflow is not fully utilized, resulting in a long drying time.

[0048] The present invention creatively provides a clothes processing device, comprising an outer drum and a drying system; the outer drum is formed with a peripheral wall air outlet, a peripheral wall water inlet and a drying air outlet; a drying air inlet is formed at the drum mouth of the outer drum; the drying system comprises a main drying air duct, a branch drying air duct, a water box and a cooling box; the main drying air duct is connected between the drying air inlet and the drying air outlet and forms a main ventilation outlet; the branch drying air duct comprises a first branch air duct section and a second branch air duct section; one end of the first branch air duct section is communicated with the peripheral wall air outlet, and a first branch ventilation outlet is formed on a side wall of the first branch air duct section; one end of the second branch air duct section is communicated with the main ventilation outlet; one end of the water box is communicated with the peripheral wall water inlet, and the other end is communicated with the first branch ventilation outlet; the cooling box is used to communicate with the other end of the first branch air duct section and the other end of the second branch air duct section;

[0049] A portion of the drying airflow in the outer cylinder can enter the first air duct section, and a large portion of this portion of the drying airflow flows through the cooling box and the second air duct section in sequence to enter the main air duct. When flowing through the cooling box, it exchanges heat with the cooling water, and the humidity is reduced, thereby fully utilizing the drying airflow and improving the condensation efficiency, solving the problem of low condensation efficiency and low utilization rate of drying airflow with high humidity in the prior art; a small portion of this portion of the drying airflow is discharged through the water box, avoiding condensation in the water box, and solving the problem of condensation easily forming in the water box when the drying airflow flows through the water box.

[0050] <Clothing Processing Equipment>

[0051] like Figure 1 and Figure 2 As shown, this embodiment provides a clothes processing device, including an outer drum 11, an inner drum 12 and a drying system; the outer drum 11 is formed with a peripheral wall air outlet 111 and a peripheral wall water inlet 112 on its peripheral wall, and a drying air outlet is formed on its rear wall; a drying air inlet 121 is formed at the tube opening of the outer drum 11; the inner drum 12 is rotatably arranged in the outer drum 11 for carrying clothes; specifically, a door seal is provided at the tube opening of the outer drum 11, and the door seal is formed with a drying air inlet 121; the drying system includes:

[0052] The drying main air duct 21 is connected between the drying air inlet 121 and the drying air outlet; the drying main air duct 21 is formed with a main vent 2121;

[0053] The drying branch air duct includes a first branch air duct section 221 and a second branch air duct section 222; one end of the first branch air duct section 221 is connected to the peripheral wall air outlet 111, and a first branch vent 2211 is formed on the side wall of the first branch air duct section 221; one end of the second branch air duct section 222 is connected to the main vent 2121;

[0054] The water box 14 has one end connected to the peripheral wall water inlet 112 via the outer cylinder water inlet pipe 151, and the other end connected to the first ventilation port 2211 via the water box air inlet duct 152;

[0055] The cooling box 23 is used to connect the other end of the first branch air duct section 221 with the other end of the second branch air duct section 222;

[0056] Specifically, compared with the ventilation pipe in the prior art, the flow area of ​​the first branch duct section 221 is larger than the flow area of ​​the ventilation pipe, which increases the flow rate of the drying airflow flowing through the first branch duct section 221; the interior of the cooling box 23 is formed with a first cooling channel 231 and a second cooling channel 232, one end of the first cooling channel 231 is connected to the other end of the first branch duct section 221, and the second cooling channel 232 is connected to the other end of the second branch duct section 222; the first cooling channel 231 and the second cooling channel 232 include a serpentine section, and ... The main extension direction of the serpentine section 31 is perpendicular to the main extension direction of the serpentine section of the second cooling flow channel 232; a large part of the first branch air duct section 221 flows through the cooling box 23 and the second branch air duct section 222 in sequence and enters the drying main air duct 21. When flowing through the cooling box 23, it exchanges heat with the cooling water, reducing the humidity and improving the condensation efficiency; a small part of the first branch air duct section 221 is discharged through the water box 14, avoiding condensation in the water box 14; at the same time, the water in the water box 14 dehumidifies the drying air flow, preventing the discharged drying air flow from having a high humidity that affects the comfort of the indoor air;

[0057] To sum up, the drying main air duct 21, the outer cylinder 11 and the inner cylinder 12 form a first drying air flow circuit, and the outer cylinder 11, the first branch air duct section 221, the cooling box 23, the second branch air duct section 222 and the drying main air duct 21 are connected in sequence to form a second drying air flow circuit; when the drying air flow flows through the second drying air flow circuit, it completes heat exchange with the cooling water in the cooling box 23, and the humidity is reduced, and then returns to the drying main air duct 21 again. The cooling efficiency is high, and the utilization rate of the drying air flow with high humidity is high, which shortens the drying time.

[0058] Furthermore, the main drying air duct 21 includes a heating air duct section 211 and a condensing air duct section 212. A heating element 252 is provided in the heating air duct section 211. One end of the heating air duct section 211 is connected to the drying air inlet 121, and one end of the condensing air duct section 212 is connected to the drying air outlet. A drying fan 251 is provided between the heating air duct section 211 and the condensing air duct section 212. Under the action of the drying fan 251, the drying air flow can circulate in the first drying air flow loop or the second drying air flow loop, and complete heat exchange with the clothes in the inner drum 12 when flowing through the inner drum 12, thereby drying the clothes.

[0059] A main vent 2121 is formed on the side wall of the condensing air duct section 212 .

[0060] To address the problem of poor condensation effect and low drying efficiency caused by the unreasonable location of the main vent 2121, this embodiment proposes that the drying fan 251 is formed with a fan blade cavity 33, the side wall of the fan blade cavity 33 is formed with a first fan blade cavity air inlet, and the drying air outlet includes the first drying air outlet 113; the condensation air duct section includes a first condensation air duct section 212, and the first drying air outlet 113 and the first fan blade cavity air inlet are connected through the first condensation air duct section 212; the side wall of the first condensation air duct section 212 is formed with a main vent 2121, and the main vent 2121 is close to the first fan blade cavity air inlet;

[0061] A second blade chamber air inlet is formed on the side wall of the blade chamber 33, and the second blade chamber air inlet and the first blade chamber air inlet are spaced apart along the circumference of the blade chamber 33; the drying air outlet includes a second drying air outlet 114, and the second drying air outlet 114 is located above the first drying air outlet 113; the condensing air duct section also includes a second condensing air duct section 241; the second drying air outlet 114 and the second blade chamber air inlet are connected through the second condensing air duct section 241; a blade is rotatably provided in the blade chamber 33, and under the action of the blade, the drying airflow in the first condensing air duct section 212 can enter the blade chamber 33, and the drying airflow in the second condensing air duct section 241 can enter the blade chamber 33;

[0062] like Figures 5a to 6 The vent 311 of the second branch duct section 222 is connected to the outer wall of the drying fan 31 and the vent 311 is connected to the outer wall of the drying fan 31.

[0063] When the fresh air enters the fan blade cavity through the opening, a part of the dry airflow in the outer tube 11 can be discharged through the first air duct section, the cooling box 23 and the exhaust pipe 242, and another part of the dry airflow in the outer tube 11 can be discharged through the condensing air duct section 212, the second air duct section and the exhaust pipe 242 to balance the air pressure in the outer tube 11. At the same time, the dry airflow can realize external circulation.

[0064] To address the problem of high resistance to fresh air introduction due to an unreasonable position of the opening 311, this embodiment proposes that the drying fan 3 is a centrifugal fan; a first blade chamber air inlet and a second blade chamber air inlet are formed on one axial side wall of the blade chamber 33, and an opening 311 is formed on the other axial side wall of the blade chamber 33; and a blade chamber air outlet is formed on the radial side wall of the blade chamber 33.

[0065] The fresh air and the drying air flow enter the air blade cavity 33 from different directions and are fully mixed, thereby reducing the humidity of the drying air flow and increasing the flow rate of the drying air flow.

[0066] In response to the problem of insufficient flow of introduced fresh air, this embodiment proposes that the fan blades include a first fan blade 341 and a second fan blade 342 rotatably arranged in the fan blade cavity 33, and the first fan blade 341 and the second fan blade 342 are arranged side by side and coaxially along the axial direction of the fan blade cavity 33; the first fan blade 341 and the second fan blade 342 rotate synchronously, and the first fan blade 341 is close to the opening 311 relative to the second fan blade 342. The first fan blade 341 rotates to allow fresh air to enter the fan blade cavity 33 through the opening 311; the second fan blade 342 is close to the first fan blade cavity air inlet and the second fan blade cavity air inlet relative to the first fan blade 341. The second fan blade 342 rotates to allow dry airflow to enter the fan blade cavity 33; the fresh air and the dry airflow are mixed in the fan blade cavity 33.

[0067] To address the issue of the mutual influence between the fresh air and the drying airflow when the first fan blade 341 and the second fan blade 342 rotate synchronously, this embodiment proposes that the drying fan 3 further includes a partition 37, which includes a support portion 371 and a partition portion 372; the support portion 371 is provided between the first fan blade 341 and the second fan blade 342, and the partition portion 372 is provided on the support portion 371;

[0068] The partition 372 has a curved structure and protrudes toward the side of the second fan blade 342 away from the first fan blade 341. The partition 372 separates the inner side of the first fan blade 341 from the inner side of the second fan blade 342, ensuring that the flow rate of the fresh air is smaller than the flow rate of the drying air flow, thereby preventing the introduced fresh air from having a significant impact on the drying air flow.

[0069] Preferably, the support portion 371 is an annular plate structure, and the partition portion 372 is a hemispherical shell structure.

[0070] To address the problem that the fan motor occupies a large space, the present embodiment proposes that the drying fan 3 includes a first volute 31, a second volute 32 and a fan motor 35. The first volute 31 and the second volute 32 are buckled together to form a fan chamber 33. An opening 311 is formed on the side wall of the first volute 31 away from the second volute 32, and a motor bracket 36 is provided at the opening 311. Specifically, a plurality of motor brackets 36 are provided, each motor bracket 36 includes a supporting section and a connecting section. The supporting section is connected to the first volute 31, and the connecting section extends radially along the fan chamber 33 and is connected to the supporting section. The plurality of motor brackets 36 are arranged at intervals along the circumference of the fan chamber 33, and the ends of the plurality of connecting sections away from the supporting sections are surrounded by a mounting frame.

[0071] The partition portion 372 is surrounded by a partition cavity 373. The partition cavity 373 has an axial hole formed on the side wall away from the first fan blade 341. The fan motor 35 includes a motor body 351 and an output shaft 352. One axial end of the motor body 351 is mounted on the motor bracket 36, and the other axial end of the motor body 351 passes through the inner side of the first fan blade 341 and enters the partition cavity 373. The output shaft 352 passes through the axial hole and is drivingly connected to the partition portion 372. The support portion 371 connects the first fan blade 341 and the second fan blade 342. When the output shaft 352 rotates, the partition portion 372 drives the support portion 371 to rotate, and the support portion 371 then drives the first fan blade 341 and the second fan blade 342 to rotate.

[0072] There are gaps between the side walls of the opening 311 and the motor body 351, and between the blades of the first fan blade 341 and the motor body 351; fresh air can enter the fan chamber 33 through the gaps; in this way, the setting of the opening 311 does not affect the setting of the fan motor 35, and the fan motor 35 occupies a small space outside the fan chamber 33, and has a wide range of applications.

[0073] The end of the opening 311 away from the fan chamber 33 is a flared structure, that is, the inner diameter of the opening 311 gradually increases from inside to outside along the axial direction of the fan chamber 33, so as to allow more fresh air to enter the fan chamber 33 through the opening 311.

[0074] The outer cylinder 11 is provided with an inner water inlet valve on the peripheral wall of the outer cylinder 11; a condensation zone 116 is formed between the rear wall of the inner cylinder 12 and the rear wall of the outer cylinder 11. Specifically, a condensation zone 116 is formed between the inner side surface of the rear wall of the outer cylinder 11, the inner side surface of the peripheral wall of the outer cylinder 11 and the outer side surface of the rear wall of the inner cylinder 12; a condensation zone 116 is formed between the inner side surface of the rear wall of the outer cylinder 11 and the inner side surface of the peripheral wall of the outer cylinder 11; the condensation zone 116 is connected with the first drying air outlet 113, the second drying air outlet 114 and the inner water inlet valve; a part of the drying air flow in the condensation zone 116 enters the first condensation air duct section 212 through the first drying air outlet 113, and then enters the fan blade cavity 33 through the first fan blade cavity inlet; the condensed water from the outside can enter the condensation zone 116 through the inner water inlet valve; the drying air flow flows from bottom to top along the condensation zone 116 and exchanges heat with the condensed water flowing from top to bottom along the condensation zone 116;

[0075] An external water inlet valve is provided on the side wall of the second condensation duct section 241, and another part of the drying air flow in the condensation area 116 enters the second condensation duct section 241 through the second drying air outlet 114, and then enters the fan chamber 33 through the second fan chamber inlet; the outer side surface of the rear wall of the outer cylinder forms the second condensation duct section 241, and the condensed water from the outside can enter the second condensation duct section 241 through the external water inlet valve; the drying air flow flows from bottom to top along the second condensation duct section 241 and exchanges heat with the condensed water flowing from top to bottom along the second condensation duct section 241; the drying air flow in the fan chamber 33 enters the heating duct section 211 through the fan chamber outlet, and the temperature is increased under the action of the heating element 252, and then the drying air flow enters the inner cylinder 12.

[0076] Furthermore, the clothing processing device also includes a pressure relief member 253, which is arranged in the exhaust pipe 242 and close to the exhaust port; when the air pressure in the outer drum 11 is too high, a part of the drying air flow in the outer drum 11 can be discharged through the first air duct section, the cooling box 23 and the exhaust pipe 242, and another part of the drying air flow in the outer drum 11 can be discharged through the condensing air duct section 212, the second air duct section and the exhaust pipe 242, thereby avoiding the phenomenon of high temperature and condensation in the water box 14, and integrating the internal circulation of the drying air flow, the pressure relief of the outer drum 11, the condensing air duct section 212, and the water inlet of the condensation area; simplifying the structure, expanding the scope of application, and improving the condensation effect.

[0077] To address the problem of complex structures required for cooling water to enter the condensing air duct section 212 and the condensing area, this embodiment proposes that the side wall of the second branch air duct section is further formed with a branch air duct water inlet, and the rear wall of the outer cylinder 11 is formed with a rear wall water inlet 115;

[0078] The clothing processing device also includes a water inlet valve 26 group and a condensation water inlet pipe. The water inlet valve 26 group is arranged on the housing 13; the water inlet valve 26 group includes a condensation water inlet valve 26, and the condensation water inlet pipe includes a condensation water inlet main pipe 273, a first condensation water inlet branch pipe 271 and a second condensation water inlet branch pipe 272; the water inlet end of the condensation water inlet main pipe 273 is connected to the condensation water inlet valve 26, and one water outlet end of the condensation water inlet main pipe 273 is connected to the water inlet end of the first condensation water inlet branch pipe 271, and the water outlet end of the first condensation water inlet branch pipe 271 is connected to the water inlet of the branch air duct; the other water outlet end of the condensation water inlet main pipe 273 is connected to the water inlet end of the second condensation water inlet branch pipe 272, and the water outlet end of the second condensation water inlet branch pipe 272 is connected to the rear wall water inlet 115;

[0079] In this way, the external water enters the condensation water inlet main pipe 273 through the condensation water inlet valve 26, and then enters the condensation air duct section 212 and the condensation area through the first condensation water inlet branch pipe 271 and the second condensation water inlet branch pipe 272 respectively, and condenses and dehumidifies the dry airflow in the condensation air duct section 212 and the condensation area respectively.

[0080] <Control Method>

[0081] like Figure 3 、 Figure 4a and Figure 4b As shown, this embodiment also provides a control method for a clothes processing device, the clothes processing device is the clothes processing device described above; the clothes processing device is provided with a drying process, the drying process includes an initial drying stage and an intermediate drying stage, and the control method is:

[0082] S1. determining a current stage of a drying process of a clothes processing device;

[0083] S2. When the current stage is the initial drying stage, the pressure relief member 253 is controlled to be closed; the drying airflow circulates in the first drying airflow loop and the second drying airflow loop. When the drying airflow passes through the cooling box 23, the drying airflow is dehumidified to prevent condensation in the water box 14;

[0084] S3. When the current stage is the middle stage of drying, the pressure relief member 253 is controlled to open; the drying fan 251 introduces fresh air, and the outer drum 11 discharges the drying airflow.

[0085] Furthermore, S1 includes:

[0086] Obtaining the current pressure of the drying airflow in the outer drum 11;

[0087] Compare current pressure with preset pressure;

[0088] When the current pressure is less than or equal to the preset pressure, determining that the current stage of the drying process is the initial drying stage;

[0089] When the current pressure is greater than the preset pressure, it is determined that the current stage of the drying process is the middle drying stage.

[0090] While the exemplary embodiments of the present disclosure have been specifically illustrated and described above, it should be understood that the present disclosure is not limited to the detailed structures, configurations, or implementations described herein; rather, the present disclosure is intended to encompass various modifications and equivalent configurations within the spirit and scope of the appended claims.

Claims

1. A clothes processing device, characterized in that: The outer drum comprises an outer drum and a drying system; the outer drum is provided with an air outlet and a water inlet on the outer drum wall, a drying air outlet is provided on the rear wall of the outer drum, and a drying air inlet is provided at the drum mouth of the outer drum; the drying system comprises: A main drying air duct connected between the drying air inlet and the drying air outlet; a main vent is formed on the side wall of the main drying air duct; The drying branch air duct comprises a first branch air duct section and a second branch air duct section; one end of the first branch air duct section is connected to the peripheral wall air outlet, and a first branch vent is formed on the side wall of the first branch air duct section; one end of the second branch air duct section is connected to the main vent; A water box, one end of which is connected to the water inlet of the peripheral wall, and the other end of which is connected to the first ventilation port; A cooling box is used to connect the other end of the first branch air duct segment and the other end of the second branch air duct segment.

2. The clothes processing device according to claim 1, characterized in that The main drying air duct includes a heating air duct section and a condensing air duct section, one end of the heating air duct section is connected to the drying air inlet, and one end of the condensing air duct section is connected to the drying air outlet; a drying fan is arranged between the heating air duct section and the condensing air duct section; the side wall of the condensing air duct section is formed with the main ventilation opening.

3. The clothes processing device according to claim 2, characterized in that: The drying fan is formed with a blade cavity, a first blade cavity air inlet is formed on a side wall of the blade cavity, the drying air outlet includes a first drying air outlet, and the condensing air duct section includes a first condensing air duct section; the first drying air outlet and the first blade cavity air inlet are connected through the first condensing air duct section; the main vent is formed on a side wall of the first condensing air duct section, and the main vent is close to the first blade cavity air inlet; A second fan blade cavity air inlet is formed on the side wall of the fan blade cavity; the drying air outlet also includes a second drying air outlet, and the second drying air outlet is located above the first drying air outlet; the condensing air duct section also includes a second condensing air duct section; the second drying air outlet and the second fan blade cavity air inlet are connected through the second condensing air duct section.

4. The clothes processing device according to claim 3, characterized in that: The side wall of the fan blade cavity is also formed with a fan blade cavity air outlet and an opening, the fan blade cavity air outlet is connected to the heating air duct section; the opening is connected to the external environment where the drying fan is located, and the opening is used to introduce fresh air from the external environment into the fan blade cavity.

5. The clothes processing device according to claim 3, characterized in that: An inner water inlet valve is provided on the peripheral wall of the outer drum; a condensation zone is formed between the inner side surface of the rear wall of the outer drum and the inner side surface of the peripheral wall of the outer drum, and the condensation zone is connected to both the first drying air outlet and the inner water inlet valve; An external water inlet valve is provided on the side wall of the second condensation air duct section, and the outer side surface of the rear wall of the outer cylinder forms the second condensation air duct section, which is connected to the external water inlet valve.

6. The clothes processing device according to claim 3, characterized in that: A second ventilation port is formed on a side wall of the second air duct; the clothes processing device further comprises a box body, and an exhaust port is formed on a side wall of the box body; the exhaust port and the second ventilation port are connected through an exhaust pipe.

7. The clothes processing device according to claim 6, characterized in that: The clothes processing device further includes a pressure relief member, which is disposed in the exhaust duct and close to the exhaust port.

8. The clothes processing device according to claim 6, characterized in that: The side wall of the second branch air duct is further formed with a branch air duct water inlet, and the rear wall of the outer tube is formed with a rear wall water inlet; The clothing processing device also includes a water inlet valve group and a condensation water inlet pipe, and the water inlet valve group is arranged on the box body; the water inlet valve group includes a condensation water inlet valve, and the condensation water inlet pipe includes a condensation water inlet main pipe, a first condensation water inlet branch pipe and a second condensation water inlet branch pipe; the water inlet end of the condensation water inlet main pipe is connected to the condensation water inlet valve, and one water outlet end of the condensation water inlet main pipe is connected to the water inlet end of the first condensation water inlet branch pipe, and the water outlet end of the first condensation water inlet branch pipe is connected to the water inlet of the branch air duct; the other water outlet end of the condensation water inlet main pipe is connected to the water inlet end of the second condensation water inlet branch pipe, and the water outlet end of the second condensation water inlet branch pipe is connected to the water inlet of the rear wall.

9. A method for controlling a clothes processing device, characterized in that: The clothes processing device is the clothes processing device according to claim 7; the clothes processing device is provided with a drying process, the drying process includes an initial drying stage and an intermediate drying stage, and the control method: determining a current stage of a drying process of the laundry treatment device; When the current stage is the initial stage of drying, controlling the pressure relief component to close; When the current stage is the middle drying stage, the pressure relief member is controlled to open.

10. The control method of the clothes processing device according to claim 9, characterized in that: Determining the current stage of the drying process includes: Obtaining the current pressure of the drying airflow in the outer drum; comparing the current pressure with a preset pressure; When the current pressure is less than or equal to the preset pressure, determining that the current stage of the drying process is the initial drying stage; When the current pressure is greater than the preset pressure, it is determined that the current stage of the drying process is the middle drying stage.

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