Cleaning device, drying air duct, clothes processing drum, clothes processing equipment and cleaning control method of clothes processing equipment

Abstract

The invention relates to the technical field of clothes treatment equipment, in particular to a cleaning device, a drying air duct, a clothes treatment drum, clothes treatment equipment and a cleaning control method thereof. The cleaning device is used for cleaning a to-be-cleaned face of a to-be-cleaned part. The cleaning device comprises a spraying assembly and a driving assembly. The spraying assembly comprises a spraying pipe arranged opposite to the to-be-cleaned face of the to-be-cleaned part, and a plurality of first spraying holes are formed in the spraying pipe. The driving assembly is connected with the spraying pipe, and the driving assembly is configured to drive the spraying pipe to rotate so as to change the spraying direction of the first spraying holes. According to the cleaning device, the driving assembly drives the spraying pipe to rotate, so that the multiple first spraying holes in the spraying pipe quickly and effectively clean the whole to-be-cleaned face of the to-be-cleaned part, the cleaning effect of the to-be-cleaned face is effectively improved, subsequent use of the to-be-cleaned part is guaranteed, and the service cycle of the to-be-cleaned part is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of clothing processing equipment, and in particular to a cleaning device, a drying duct, a clothing processing drum, clothing processing equipment and a cleaning control method thereof. Background Art

[0002] With the development of society and the improvement of living standards, more and more residents choose multi-functional washing and drying machines as household appliances to reduce the labor intensity of residents' lives.

[0003] The current washing and drying machines generate a large amount of lint during the drying process of clothes. Therefore, it is necessary to provide an intercepting structure such as a filter structure in the washing and drying machine to filter and block the lint to avoid clogging of the air duct.

[0004] The filter structure is generally provided with a spray structure, which is used to effectively spray and clean the filter in the filter structure. However, the existing spray structure cannot take into account the adaptation relationship between large-area flushing of the filter and drying airflow, so that the spray water of the spray structure either affects the drying airflow or has a small flushing area for the filter, thereby affecting the cleaning effect of the filter, and further reducing the drying efficiency of the washing and drying machine. Summary of the invention

[0005] In view of this, the present invention provides a cleaning device, a drying duct, a clothing processing drum, a clothing processing equipment and a cleaning control method thereof, so as to solve the problem that the existing washing and drying machine cannot take into account the adaptation relationship between the large-area flushing of the filter and the drying airflow, thereby affecting the cleaning effect of the filter and reducing the low drying efficiency of the washing and drying machine.

[0006] A first aspect of an embodiment of the present invention provides a cleaning device for cleaning a surface of a cleaning object, the cleaning device comprising: a spray assembly and a drive assembly;

[0007] The spray assembly comprises a spray pipe arranged opposite to the surface to be cleaned of the object to be cleaned, and the spray pipe is provided with a plurality of first spray holes;

[0008] The driving assembly is connected to the spray pipe, and the driving assembly is configured to drive the spray pipe to rotate so as to change the spray direction of the first spray hole.

[0009] In some embodiments, a plurality of the first spray holes are arranged on the spray pipe at intervals along a straight line;

[0010] Wherein, in a direction from the inside of the spray pipe to the outside of the spray pipe, the spray diameter of the first spray hole gradually increases.

[0011] In some embodiments, one end of the spray pipe is a closed end, and a second spray hole is provided on the closed end;

[0012] Wherein, when the first spray hole is perpendicular to the surface to be cleaned, the setting position of the second spray hole is higher than the setting position of the first spray hole.

[0013] In some embodiments, the object to be cleaned is fixed on a mounting frame;

[0014] The spray pipe passes through the side wall of the mounting frame and extends into the interior of the mounting frame, and the spray pipe is rotatably arranged relative to the side wall of the mounting frame.

[0015] In some embodiments, a seal is provided between the spray pipe and the side wall of the mounting frame;

[0016] Wherein, the inner wall of the sealing member is sleeved on the outer peripheral wall of the spray pipe, and the outer peripheral wall of the sealing member is inserted into the side wall of the mounting frame.

[0017] In some embodiments, a rotating member is disposed on the outer peripheral wall of the spray pipe, the rotating member is closer to the driving assembly than the sealing member, and the rotating member is embedded in the side wall of the mounting frame.

[0018] In some embodiments, the drive assembly includes a drive motor, a drive gear, and a driven gear;

[0019] The output end of the driving motor is connected to the driving gear;

[0020] The driven gear is sleeved on the spray pipe and fixedly connected to the spray pipe, wherein the driven gear is provided with a semi-annular gear segment;

[0021] The driving gear is meshed and transmission-connected with the gear segment on the driven gear, so that the forward rotation or reverse rotation of the driving motor enables the spray pipe to rotate forward or reverse within a predetermined angle to change the spray direction of the first spray hole.

[0022] In some embodiments, a fixing member is provided on the spray pipe, and the fixing member is located between the driven gear and the rotating member, wherein the fixing member is used to fix the spray pipe.

[0023] In some embodiments, as the spray pipe rotates, the spray angle of the first spray hole changes;

[0024] Wherein, in the process that the spray angle of the first spray hole gradually increases, the spray pressure in the spray pipe decreases as the spray angle increases;

[0025] as well as,

[0026] In the process that the spray angle of the first spray hole gradually decreases, the spray pressure in the spray pipe increases as the spray angle decreases.

[0027] A second aspect of an embodiment of the present invention provides a drying air duct, which includes the cleaning device as described in the first aspect.

[0028] In some embodiments, a mounting frame is provided on the drying air duct, and a to-be-cleaned object is provided on the mounting frame, and the to-be-cleaned object is used to intercept the lint in the drying air duct;

[0029] The cleaning device is arranged on the mounting frame, and is used to clean the surface to be cleaned of the object to be cleaned;

[0030] Wherein, the inlet end of the spray pipe in the cleaning device can be externally connected to a water inlet pipe;

[0031] The part to be cleaned includes a filter screen.

[0032] A third aspect of the embodiments of the present invention provides a laundry processing drum, the laundry processing drum comprising the drying air duct as described in the second aspect;

[0033] Wherein, the inlet end of the drying air duct is communicated with the outlet of the clothing processing drum, and the outlet end of the drying air duct is communicated with the inlet of the clothing processing drum.

[0034] A fourth aspect of the embodiments of the present invention provides a clothes processing device, the clothes processing device comprising a clothes processing drum as described in the third aspect;

[0035] The clothes processing device is provided with a water inlet pipe, and the water inlet pipe is communicated with the spray pipe in the cleaning device.

[0036] A fifth aspect of an embodiment of the present invention provides a cleaning control method for a clothes processing device, which is applied to the clothes processing device as described in the fourth aspect, and the cleaning control method includes:

[0037] In response to a cleaning start instruction of the clothes processing device, controlling the water inlet pipe to deliver spray water into the spray pipe;

[0038] Control the driving motor to rotate to drive the spray pipe to rotate;

[0039] In response to a cleaning stop instruction of the laundry treating apparatus, the driving motor is controlled to stop rotating.

[0040] In some embodiments, controlling the driving motor to rotate to drive the spray pipe to rotate includes:

[0041] When the first actual power of the driving motor is greater than or equal to the preset power, the driving motor is controlled to rotate in the reverse direction to drive the spray pipe to rotate in the reverse direction;

[0042] When the second actual power of the driving motor is greater than or equal to the preset power, the driving motor is controlled to rotate forward to drive the spray pipe to rotate forward;

[0043] The driving motor rotates in the reverse direction and in the forward direction N times, wherein N is an integer greater than or equal to 2, to complete the cleaning process of the surface to be cleaned.

[0044] In some embodiments, when the first actual power of the drive motor is greater than or equal to the preset power, the step of controlling the drive motor to rotate in the reverse direction to drive the spray pipe to rotate in the reverse direction, and when the second actual power of the drive motor is greater than or equal to the preset power, the step of controlling the drive motor to rotate in the forward direction to drive the spray pipe to rotate in the forward direction, include:

[0045] In the process that the spray angle of the first spray hole gradually increases, the spray pressure in the spray pipe decreases as the spray angle increases; and,

[0046] In the process that the spray angle of the first spray hole gradually decreases, the spray pressure in the spray pipe increases as the spray angle decreases.

[0047] Compared with the prior art, the beneficial effects of the present invention are mainly:

[0048] In the cleaning device, drying duct, clothes processing drum, clothes processing equipment and cleaning control method thereof of the present invention, the cleaning device is used to clean the surface to be cleaned of the part to be cleaned, wherein the part to be cleaned can be a filter used in the clothes processing equipment. The cleaning device includes a spray assembly and a drive assembly, the spray assembly includes a spray pipe, the spray pipe is arranged opposite to the surface to be cleaned, and a plurality of first spray holes are provided on the spray pipe. The drive assembly is connected to the spray pipe, and the drive assembly can drive the spray pipe to rotate, thereby changing the spray direction of the plurality of first spray holes. Based on this, the drive assembly is used to drive the spray pipe to rotate within a predetermined angle, so that the plurality of first spray holes can quickly and effectively clean the entire surface to be cleaned of the part to be cleaned, effectively improving the cleaning effect of the surface to be cleaned, ensuring the subsequent use of the part to be cleaned, and extending the use cycle of the part to be cleaned, while improving the drying efficiency of the subsequent clothes processing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] 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.

[0050] 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.

[0051] Figure 1 is a schematic diagram of the three-dimensional structure of a clothes processing device according to an embodiment of the present invention;

[0052] Figure 2 yes Figure 1 The main view;

[0053] Figure 3 yes Figure 2 Sectional view in the AA direction;

[0054] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure of the A position in the middle;

[0055] Figure 5 is a schematic structural diagram of a spray assembly in a cleaning device according to an embodiment of the present invention;

[0056] Figure 6 is a schematic structural diagram of a driven gear in a cleaning device according to an embodiment of the present invention;

[0057] Figure 7 is a partial structural schematic diagram of a driving component in a cleaning device according to an embodiment of the present invention;

[0058] Figure 8 is a schematic structural diagram of a spray pipe in a cleaning device according to an embodiment of the present invention;

[0059] Fig. 9 yes Figure 8 Cross-sectional view in the BB direction;

[0060] Fig.10 The present invention is a flowchart of a washing control method for a clothes processing device according to an embodiment of the present invention. Description of the drawings:

[0062] 10. Clothes processing equipment; 20. Water inlet pipe;

[0063] 100, cleaning device; 110, spray assembly; 111, spray pipe; 1111, first spray hole; 1112, second spray hole; 120, driving assembly; 121, driving motor; 122, driving gear; 123, driven gear; 123a, gear segment; 130, mounting frame; 140, sealing member; 150, rotating member; 160, fixing member;

[0064] 200. Items to be cleaned; 300. Drying air duct; 400. Clothes processing drum. DETAILED DESCRIPTION

[0065] 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.

[0066] 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.

[0067] 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.

[0068] 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.

[0069] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0070] like Figures 1 to 9 As shown, an exemplary embodiment of the present invention provides a cleaning device 100 , which is used to clean a surface to be cleaned of a cleaning member 200 .

[0071] The part to be cleaned 200 may include but is not limited to a filter, which may be movably arranged in the drying duct of the clothing processing equipment, wherein the filter may be detachably arranged in the drying duct, and the surface to be cleaned of the filter may intercept the lint in the drying duct, and when the surface to be cleaned of the filter is cleaned by the cleaning device 100, it will not affect the drying airflow in the drying duct.

[0072] It should be noted that the to-be-cleaned surface of the to-be-cleaned part 200 faces the upstream direction of the drying airflow, that is, the to-be-cleaned surface faces the direction along the inlet of the drying air duct pointing to the outlet of the drying air duct.

[0073] The shape of the object to be cleaned 200 may include but is not limited to square or round, and the spray pipe 111 is arranged at the middle position of one side of the surface to be cleaned of the object to be cleaned 200, that is, the projection of the spray pipe 111 on the surface to be cleaned is located at the middle position of the surface to be cleaned.

[0074] In a preferred example, the object to be cleaned 200 is a circular filter screen, and the projection of the spray pipe 111 on the filter screen coincides with one diameter of the circular filter screen.

[0075] See also Figure 1 and Figure 2 As shown, the cleaning device 100 includes a spray assembly 110 and a drive assembly 120 .

[0076] The spray assembly 110 includes a spray pipe 111 disposed opposite to the surface to be cleaned of the object to be cleaned 200. The spray pipe 111 is a cylindrical structure with a hollow interior, and the end of the spray pipe 111 is a dome structure to effectively reduce the volume of the spray assembly 110.

[0077] See also Figure 8 and Fig. 9As shown, a plurality of first spray holes 1111 are provided on the spray pipe 111. Along the axial direction of the spray pipe 111, the plurality of first spray holes 1111 can be arranged at intervals on the side wall of the spray pipe 111. Alternatively, the plurality of first spray holes 1111 can also be divided into two groups and symmetrically arranged on the side wall of the spray pipe 111. Alternatively, the plurality of first spray holes 1111 can also be divided into two groups and staggeredly arranged on the side wall of the spray pipe 111 in sequence.

[0078] When the plurality of first spray holes 1111 are divided into two groups of symmetrical or staggered settings, the spraying directions of the spray water in the two groups of first spray holes 1111 are parallel to each other. Alternatively, the spraying directions of the spray water in the two groups of first spray holes 1111 cross each other. Alternatively, the spraying directions of the spray water in the two groups of first spray holes 1111 are opposite. It should be noted that the spraying direction of the spray water in one group of first spray holes 1111 is the first direction, and the spraying direction of the spray water in the other group of first spray holes 1111 is the second direction, and the intersection of the first direction and the second direction is located at a position opposite to the spraying direction of the spray water.

[0079] The driving assembly 120 is connected to the spray pipe 111, and the driving assembly 120 can drive the spray pipe 111 to rotate, thereby changing the spray direction of the first spray hole 1111. The output end of the driving motor of the driving assembly 120 can be connected to the spray pipe 111, and the driving motor in the driving assembly 120 has a forward and reverse function, so that the spray pipe 111 can rotate along its axial direction through the forward rotation and reverse rotation of the driving motor in the driving assembly 120, and then the spray pipe 111 rotates forward or reversely within a predetermined angle, thereby achieving effective cleaning of the to-be-cleaned surface of the to-be-cleaned part 200, and also being able to achieve rapid rinsing of the entire to-be-cleaned surface, effectively improving the cleaning effect of the to-be-cleaned surface, ensuring the use of the subsequent to-be-cleaned part 200, and extending the use cycle of the to-be-cleaned part 200, while improving the drying efficiency of the subsequent clothing processing equipment.

[0080] When the driving assembly 120 drives the first spray hole 1111 to rotate, the spray angle of the first spray hole 1111 will change as its spray direction changes. When the first spray hole 1111 is perpendicular to the surface to be cleaned, the spray angle of the first spray hole 1111 is defined as the maximum at this time. Then, as the spray pipe 111 rotates forward or backward, the spray angle of the first spray hole 1111 changes from the maximum to a certain acute angle, and then from a certain acute angle to the maximum spray angle, and so on and so forth, so that the entire surface to be cleaned of the cleaning member 200 can be quickly rinsed.

[0081] like Figure 8 and Fig. 9As shown, in some embodiments, a plurality of first spray holes 1111 are arranged at intervals along a straight line on the spray pipe 111. Specifically, the first spray holes 1111 are arranged on the side wall of the spray pipe 111, wherein after spray water is introduced into the spray pipe 111, the spray water can be sprayed out from the first spray holes 1111 and directly act on the surface to be cleaned through the arrangement of the first spray holes 1111, thereby completing the quick cleaning of the lint intercepted on the surface to be cleaned.

[0082] In order to achieve large-area cleaning of the surface to be cleaned and improve the cleaning efficiency at the same time, the first spray hole 1111 is designed to be a trumpet-mouth structure, that is, the spray diameter of the first spray hole 1111 gradually increases from the inside of the spray pipe 111 to the outside of the spray pipe 111, so that the spray water can be dispersed in a fan shape, thereby effectively cleaning the surface to be cleaned.

[0083] It should be noted that during the rotation of the spray pipe 111, when the first spray hole 1111 is facing the cleaning surface of the cleaning member 200, along the arrangement direction of the first spray holes 1111, the spraying areas of two adjacent first spray holes 1111 have an overlapping area, wherein the cleaning surface of the cleaning member 200 is located at the intersection of the spraying paths of the two adjacent first spray holes 1111.

[0084] like Fig. 9 As shown, in some embodiments, the expansion angle of the first spray hole 1111 is A, wherein the expansion angle A has a value range of 40° to 70°. Specifically, the expansion angle A of the first spray hole 1111 is 60°. When the expansion angle A is set to 60°, it can be achieved that the impact force on the cleaning part 200 is within a suitable range based on the existing water pressure in the clothing processing device, thereby protecting the structure of the cleaning part 200, and at the same time, it can also achieve rapid cleaning of the entire surface to be cleaned, ensuring the cleaning effect of the surface to be cleaned.

[0085] like Figure 8 and Fig. 9 As shown, in some embodiments, one end of the spray pipe 111 is a closed end, and the closed end is provided with a second spray hole 1112. When the first spray hole 1111 is facing the surface to be cleaned, the second spray hole 1112 is relatively higher than the first spray hole 1111.

[0086] It should be noted that the closed end of the spray pipe 111 is an end away from the connection position between the driving assembly 120 and the spray pipe 111 .

[0087] When the first spray hole 1111 is facing the cleaning surface, the upper edge of the second spray hole 1112 is inclined upward, while the lower edge of the second spray hole 1112 is inclined downward, and the upper and lower edges of the second spray hole 1112 have different inclination angles.

[0088] Based on this, the length of the spray pipe 111 can be set shorter than the diameter of the filter. When the spray water in the spray pipe 111 is sprayed out from the second spray hole 1112, the structural design of the second spray hole 1112 can be used to effectively flush the surface to be cleaned in the direction of the side wall end of the spray pipe 111, thereby reducing the spatial size of the cleaning device 100. In other words, the entire surface to be cleaned of the entire part to be cleaned 200 can be effectively flushed by a cleaning device 100 of a smaller volume.

[0089] like Figure 1 and Figure 2 As shown, in some embodiments, the object to be cleaned 200 is fixed on the mounting frame 130. The closed end of the spray pipe 111 passes through the side wall of the mounting frame 130 and extends into the interior of the mounting frame 130, and the spray pipe 111 is rotatably arranged relative to the side wall of the mounting frame 130. In other words, the spray pipe 111 can rotate on the mounting frame 130.

[0090] Among them, the mounting frame 130 can be installed on the clothing processing equipment, specifically, it can be set in the drying duct of the clothing processing equipment. The mounting frame 130 is used to effectively fix the cleaning part 200 so that the cleaning surface of the cleaning part 200 can be quickly rinsed using the spray pipe 111.

[0091] In this example, the mounting frame 130 can be used to effectively fix the cleaning object 200 (i.e., the filter screen). At the same time, the spray pipe 111 is rotatably set on the side wall of the mounting frame 130, and the driving component 120 drives the spray pipe 111 to rotate, thereby realizing rapid cleaning of the entire surface to be cleaned through the first spray hole 1111 and the second spray hole 1112 set on the spray pipe 111, thereby effectively ensuring the cleaning effect of the surface to be cleaned.

[0092] It should be noted that the driving assembly 120 can be installed on the mounting frame 130, or the driving assembly 120 can be fixed on the clothes processing drum.

[0093] like Figure 3 and Figure 4 As shown, in some embodiments, in order to improve the sealing of the spray pipe 111 during the rotation process and prevent the spray water from leaking from the connection position between the spray pipe 111 and the mounting frame 130, a seal 140 is provided between the spray pipe 111 and the side wall of the mounting frame 130.

[0094] The inner wall of the sealing member 140 is sleeved on the outer wall of the spray pipe 111, and the outer wall of the sealing member 140 is inserted into the side wall of the mounting frame 130. The sealing member 140 and the side wall of the mounting frame 130 are interference fit.

[0095] The seal 140 may include, but is not limited to, a rubber stopper.

[0096] like Figure 3 and Figure 4 As shown, in some embodiments, a rotating member 150 is provided on the outer peripheral wall of the spray pipe 111. The rotating member 150 is closer to the driving assembly 120 than the sealing member 140, and the rotating member 150 is embedded in the side wall of the mounting frame 130.

[0097] The rotating member 150 may include but is not limited to a rotating bearing. The rotating bearing can realize the rotation of the spray pipe 111 and make the rotation of the spray pipe 111 smoother. It should be noted that the rotating member 150 is arranged on the end of the spray pipe 111 away from the closed end.

[0098] like Figures 1 to 7 As shown, in some embodiments, the driving assembly 120 includes a driving motor 121, a driving gear 122 and a driven gear 123. The driving motor 121 may include but is not limited to a servo motor or a DC motor with forward and reverse rotation functions.

[0099] The output end of the driving motor 121 is connected to the driving gear 122. The driven gear 123 is sleeved on the spray pipe 111 and fixedly connected to the spray pipe 111, wherein a semi-annular gear segment 123a is provided on the outer peripheral surface of the driven gear 123.

[0100] The driving gear 122 is meshed and transmission-connected with the semi-circular gear segment 123a on the driven gear 123, so that the spray pipe 111 rotates forward or reverse within a predetermined angle through the forward rotation or reverse rotation of the driving motor 121, thereby changing the spray direction of the first spray hole.

[0101] It should be noted that, since the gear segment 123 a is designed as a semi-annular structure, limiting portions are formed at both ends of the gear segment 123 a.

[0102] When the driving motor 121 drives the driving gear 122 to rotate forward, after contacting the limiting part on one side of the gear segment 123a, it indicates that the rotation angle of the spray pipe 111 has reached the maximum rotation angle. If the driving motor 121 rotates again, the actual power of the driving motor 121 will be greater than its preset power. At this time, the control system of the clothing processing device can control the driving motor 121 to switch from forward rotation to reverse rotation, so that the spray pipe 111 can rotate in the reverse direction, until the driving gear 122 contacts the limiting part on the other side of the gear segment 123a, and the driving motor 121 switches from reverse rotation to forward rotation. Repeating this N times, the surface to be cleaned of the cleaning member 200 can be quickly and effectively rinsed to ensure the cleaning effect of the surface to be cleaned.

[0103] In one example, the predetermined angle of the spray pipe 111 ranges from -90° to +90°, wherein the 0° position is the position where the first spray hole 1111 is arranged relative to the surface to be cleaned.

[0104] like Figure 3 and Figure 4 As shown, in some embodiments, a fixing member 160 is provided on the spray pipe 111, and the fixing member 160 is located between the driven gear 123 and the rotating member 150. The fixing member 160 can be used to fix the spray pipe 111 on the clothes processing drum to prevent the spray pipe 111 from falling off from the clothes processing drum.

[0105] The fixing member 160 is a pressure cover, which presses the rotating member 150 to fix the rotating member 150 on the laundry treatment drum. It should be noted that one end of the spray pipe 111 passes through the rotating member 150 and the pressure cover and then fixes the driven gear 123.

[0106] In some embodiments, as the spray pipe 111 rotates, the spray angle of the first spray hole 1111 changes.

[0107] The first spray hole 1111 is defined as having a first position, a second position and a third position during the rotation of the spray pipe 111. When the first spray hole 1111 is in the first position, the first spray hole 1111 is perpendicular to the surface to be cleaned, and the second position and the third position are located on both sides of the first position.

[0108] When the driving motor 121 drives the spray pipe 111 to rotate, the first spray hole 1111 rotates from the second position to the first position, or when the first spray hole 1111 rotates from the third position to the first position, the spray angle of the first spray hole 1111 gradually increases.

[0109] When the spray angle of the first spray hole 1111 gradually increases, the spray pressure in the spray pipe 111 decreases as the spray angle of the first spray hole 1111 increases. In other words, when the first spray hole 1111 is facing the surface to be cleaned, the spray pressure in the spray pipe 111 is relatively small, and the front impact force of the spray water on the surface to be cleaned can be reduced, thereby ensuring and extending the service life of the object to be cleaned 200.

[0110] When the first spray hole 1111 rotates from the first position to the second position or the third position, the spray angle of the first spray hole 1111 gradually decreases.

[0111] When the spray angle of the first spray hole 1111 gradually decreases, the spray pressure in the spray pipe 111 increases as the spray angle of the first spray hole 1111 decreases. That is, when the first spray hole 1111 rotates to the second position or the third position, a higher spray pressure can be used to quickly clean the surface to be cleaned at a longer distance, thereby reducing the cleaning time. At the same time, when the first spray hole 1111 rotates to the second position or the third position, the impact force of the spray water can be used to clean the lint accumulated on the surface to be cleaned at a certain tilt angle, thereby improving the cleaning efficiency.

[0112] like Figure 1 and Figure 2 As shown, an exemplary embodiment of the present invention provides a drying air duct 300, on which a mounting frame 130 is provided, and a to-be-cleaned object 200 is movably provided on the mounting frame 130, wherein the to-be-cleaned object 200 is used to intercept the fluff flowing in the drying air duct. The to-be-cleaned object 200 may include but is not limited to a filter.

[0113] The cleaning device 100 of any of the above embodiments is arranged on the mounting frame 130, and the cleaning device 100 can be used to clean the surface to be cleaned of the filter screen. The inlet end of the spray pipe 111 in the cleaning device 100 can be connected to an external water inlet pipe, for example, connected to a tap water pipe in the room. Alternatively, the inlet end of the spray pipe 111 is connected to a water inlet pipe in the laundry processing device.

[0114] The spray pipe 111 is driven to rotate by the driving assembly 120, and then the multiple first spray holes 1111 and second spray holes 1112 are used to quickly flush the surface to be cleaned of the filter screen to ensure the cleaning effect of the surface to be cleaned and avoid the accumulated hair from affecting the drying airflow in the drying duct.

[0115] like Figure 1 and Figure 2 As shown, an exemplary embodiment of the present invention provides a laundry processing drum 400, on which the drying air duct 300 of the above embodiment is disposed.

[0116] The inlet end of the drying air duct 300 is communicated with the outlet of the laundry processing tub 400 , and the outlet end of the drying air duct 300 is communicated with the inlet of the laundry processing tub 400 .

[0117] A drying fan may be provided in the drying duct 300, the drying fan being a variable frequency fan, and a drying module may also be provided in the drying duct. The drying module is configured to dehumidify and heat the hot and humid gas drawn out from the clothes processing drum to form a drying airflow, so as to dry the bound water in the clothes.

[0118] The drying module can be directly fixed in the drying air duct 300, or fixed in the drying air duct by other fasteners such as screws, etc. The drying module can be arranged at a position close to the air outlet end of the drying air duct.

[0119] It should be noted that the drying module may include but is not limited to an element capable of heating air, such as an electric heating wire or a PTC (Positive Temperature Coefficient) heater.

[0120] Along the moving direction of the drying airflow, the drying fan is located upstream of the drying module. Through the rotation of the drying fan, on the one hand, the hot and humid gas drawn out of the clothes processing drum 400 can be guided to the drying module to form a drying airflow, and on the other hand, the drying airflow can be driven into the clothes processing drum 400 to provide the clothes processing drum 400 with a suitable amount of drying airflow to meet the drying air volume requirements of the clothes processing drum 400. Alternatively, in the process of air-drying the clothes or cooling the clothes processing drum 400 in the later stage of the drying process, a suitable air volume is provided to meet the air-drying requirements of the clothes.

[0121] The drying fan adopts the structure in the prior art, or the drying fan can directly use an induced draft fan, an axial flow fan, etc.

[0122] On the other hand, one drying duct 300 may be connected to two or more laundry processing drums 400 , that is, two or more laundry processing drums 400 share one drying duct 300 .

[0123] like Figure 1 and Figure 2 As shown, an exemplary embodiment of the present invention provides a laundry processing device 10, which includes a laundry processing drum 400 of the above embodiment. A water inlet pipe 20 is provided in the laundry processing device 10, and the water inlet pipe 20 is connected to the spray pipe 111 in the cleaning device 100.

[0124] The clothes processing device 10 may include but is not limited to a washing machine, which may include but is not limited to a washing and care machine, a washing and drying machine, etc. For example, the washing machine may be a drum washing machine or a pulsator washing machine with drying or washing and care functions, and of course, the washing machine may also be other types of fully automatic washing machines.

[0125] like Fig.10 As shown, an exemplary embodiment of the present invention provides a cleaning control method for a clothes processing device, which is applied to the clothes processing device 10 of the above embodiment. The cleaning control method for the clothes processing device includes the following steps:

[0126] Step S100: in response to a cleaning start instruction of the clothes processing device, controlling the water inlet pipe to deliver spray water into the spray pipe.

[0127] Step S200: controlling the driving motor to rotate to drive the spray pipe to rotate.

[0128] Step S300: In response to the cleaning stop instruction of the clothes processing device, the driving motor is controlled to stop rotating.

[0129] In step S100, when the control system receives a cleaning instruction from the user or the control system independently determines that the part to be cleaned 200, i.e., the filter screen, needs to be cleaned, the control system controls the control valve on the water inlet pipe 20 to deliver spray water to the spray pipe through the water inlet pipe.

[0130] It should be noted that the control system of the clothing processing equipment can adopt the control device in the prior art, as long as the control device can control various startup functions of the clothing processing equipment, and the specific structural type and specific control logic of the control device will not be repeated here.

[0131] In step S200, the control system controls the driving motor 121 to rotate so as to drive the spray pipe 111 to rotate. First, the driving motor 121 is controlled to rotate at a fixed speed to drive the spray pipe 111 to rotate at a stable rotation step. The fixed speed may be set when the clothing treatment device leaves the factory, or may be set by the user, or may be flexibly and autonomously set by the control system according to the dirtiness and blockage of the filter, which is not specifically limited here.

[0132] When the first actual power W1 of the driving motor 121 is greater than or equal to the set power W, that is, W1>W, at this time, one tooth of the driving gear 122 contacts a limiting part of the gear segment 123a of the driven gear 123, controlling the driving motor 121 to rotate in the reverse direction at a fixed speed to drive the spray pipe 111 to rotate in the reverse direction.

[0133] During the reverse rotation of the driving motor 121, when the second time power W2 of the driving motor 121 is greater than or equal to the set power W, that is, W2>W, at this time, one tooth of the driving gear 122 contacts another limiting part of the gear segment 123a of the driven gear 123, controlling the driving motor 121 to rotate forward at a fixed speed to drive the spray pipe 111 to rotate forward.

[0134] Repeat the above-mentioned forward and reverse rotations of the driving motor N times, where N is an integer greater than or equal to 2, to complete the cleaning process of the surface to be cleaned.

[0135] It should be noted that, when the driving motor 121 drives the spray pipe 111 to rotate forward or reverse, the spray angle of the first spray hole 1111 will change.

[0136] It is defined that during the rotation of the spray pipe 111, the rotation position of the first spray hole 1111 includes a first position, a second position and a third position. When the first spray hole 1111 is in the first position, the first spray hole 1111 is perpendicular to the surface to be cleaned, and the second position and the third position are located on both sides of the first position.

[0137] When the driving motor 121 drives the spray pipe 111 to rotate, the first spray hole 1111 rotates from the second position to the first position, or when the first spray hole 1111 rotates from the third position to the first position, the spray angle of the first spray hole 1111 gradually increases.

[0138] When the spray angle of the first spray hole 1111 gradually increases, the spray pressure in the spray pipe 111 decreases as the spray angle of the first spray hole 1111 increases. In other words, when the first spray hole 1111 is facing the surface to be cleaned, the spray pressure in the spray pipe 111 is relatively small, and the front impact force of the spray water on the surface to be cleaned can be reduced, thereby ensuring and extending the service life of the object to be cleaned 200.

[0139] When the first spray hole 1111 rotates from the first position to the second position or the third position, the spray angle of the first spray hole 1111 gradually decreases.

[0140] When the spray angle of the first spray hole 1111 gradually decreases, the spray pressure in the spray pipe 111 increases as the spray angle of the first spray hole 1111 decreases. That is, when the first spray hole 1111 rotates to the second position or the third position, a higher spray pressure can be used to quickly clean the surface to be cleaned at a longer distance, thereby reducing the cleaning time. At the same time, when the first spray hole 1111 rotates to the second position or the third position, the impact force of the spray water can be used to clean the lint accumulated on the surface to be cleaned at a certain tilt angle, thereby improving the cleaning efficiency.

[0141] In step S300, when the control system receives the cleaning stop instruction, the control system controls the spray pipe 111 to stop spraying, and at the same time, controls the drive motor 121 to continue to drive the spray pipe 111 to rotate. When the actual power of the drive motor 121 is greater than or equal to the preset power, the drive motor 121 is controlled to rotate clockwise at the same fixed speed. After the drive motor 121 rotates for the preset time T, the drive motor 121 is controlled to stop rotating, so that the spray pipe 111 is reset, that is, the first spray hole 1111 is set at the specified position, and the cleaning process of the cleaning part 200 is completed.

[0142] It should be noted that the value of the preset rotation time T of the driving motor 121 can be flexibly set according to the specifications or model of the clothing processing equipment 10, or can be flexibly set according to the cross-sectional size of the spray pipe 111 and the diameter size of the cleaned part 200, i.e., the filter net, or can also be flexibly set according to the specifications and dimensions of the clothing processing drum 400 and the drying duct 300, and no specific limitation is made here.

[0143] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not disclosed by the present invention. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0144] It should be understood that the present invention is not limited to the exact construction that has been described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A cleaning device for cleaning a surface of a cleaning object, characterized in that: The cleaning device comprises: a spray assembly and a drive assembly; The spray assembly comprises a spray pipe arranged opposite to the surface to be cleaned of the object to be cleaned, and the spray pipe is provided with a plurality of first spray holes; The driving assembly is connected to the spray pipe, and the driving assembly is configured to drive the spray pipe to rotate so as to change the spray direction of the first spray hole.

2. The cleaning device according to claim 1, characterized in that A plurality of the first spray holes are arranged on the spray pipe at intervals along a straight line; Wherein, in a direction from the inside of the spray pipe to the outside of the spray pipe, the spray diameter of the first spray hole gradually increases.

3. The cleaning device according to claim 1, characterized in that: One end of the spray pipe is a closed end, and a second spray hole is provided on the closed end; Wherein, when the first spray hole is perpendicular to the surface to be cleaned, the setting position of the second spray hole is higher than the setting position of the first spray hole.

4. The cleaning device according to claim 1, characterized in that The object to be cleaned is fixed on the mounting frame; The spray pipe passes through the side wall of the mounting frame and extends into the interior of the mounting frame, and the spray pipe is rotatably arranged relative to the side wall of the mounting frame.

5. The cleaning device according to claim 4, characterized in that: A sealing member is provided between the spray pipe and the side wall of the mounting frame; Wherein, the inner wall of the sealing member is sleeved on the outer peripheral wall of the spray pipe, and the outer peripheral wall of the sealing member is inserted into the side wall of the mounting frame.

6. The cleaning device according to claim 5, characterized in that: A rotating member is arranged on the outer peripheral wall of the spray pipe. The rotating member is closer to the driving assembly than the sealing member, and the rotating member is embedded in the side wall of the mounting frame.

7. The cleaning device according to claim 1, characterized in that: The driving assembly includes a driving motor, a driving gear and a driven gear; The output end of the driving motor is connected to the driving gear; The driven gear is sleeved on the spray pipe and fixedly connected to the spray pipe, wherein the driven gear is provided with a semi-annular gear segment; The driving gear is meshed and transmission-connected with the gear segment on the driven gear, so that the forward rotation or reverse rotation of the driving motor enables the spray pipe to rotate forward or reverse within a predetermined angle to change the spray direction of the first spray hole.

8. The cleaning device according to claim 7, characterized in that: The spray pipe is provided with a fixing part, and the fixing part is located between the driven gear and the rotating part, wherein the fixing part is used to fix the spray pipe.

9. The cleaning device according to any one of claims 1 to 8, characterized in that: As the spray pipe rotates, the spray angle of the first spray hole changes; Wherein, in the process that the spray angle of the first spray hole gradually increases, the spray pressure in the spray pipe decreases as the spray angle increases; as well as, In the process that the spray angle of the first spray hole gradually decreases, the spray pressure in the spray pipe increases as the spray angle decreases.

10. A drying air duct, characterized in that: Comprising the cleaning device according to any one of claims 1 to 9.

11. The drying air duct according to claim 10, characterized in that: The drying air duct is provided with a mounting frame, and the mounting frame is provided with a to-be-cleaned object, and the to-be-cleaned object is used to intercept the lint in the drying air duct; The cleaning device is arranged on the mounting frame, and is used to clean the surface to be cleaned of the object to be cleaned; Wherein, the inlet end of the spray pipe in the cleaning device can be externally connected to a water inlet pipe; The part to be cleaned includes a filter screen.

12. A laundry treatment drum, characterized in that: Comprising the drying air duct according to any one of claims 10 to 11; Wherein, the inlet end of the drying air duct is communicated with the outlet of the clothing processing drum, and the outlet end of the drying air duct is communicated with the inlet of the clothing processing drum.

13. A clothes processing device, characterized in that: comprising the clothes processing drum as claimed in claim 12; The clothes processing device is provided with a water inlet pipe, and the water inlet pipe is communicated with the spray pipe in the cleaning device.

14. A cleaning control method for a clothes processing device, applied to the clothes processing device according to claim 13, characterized in that: The cleaning control method comprises: In response to a cleaning start instruction of the clothes processing device, controlling the water inlet pipe to deliver spray water into the spray pipe; Control the driving motor to rotate to drive the spray pipe to rotate; In response to a cleaning stop instruction of the laundry treating apparatus, the driving motor is controlled to stop rotating.

15. The cleaning control method of a clothes processing device according to claim 14, characterized in that: The controlling the driving motor to rotate to drive the spray pipe to rotate includes: When the first actual power of the driving motor is greater than or equal to the preset power, the driving motor is controlled to rotate in the reverse direction to drive the spray pipe to rotate in the reverse direction; When the second actual power of the driving motor is greater than or equal to the preset power, the driving motor is controlled to rotate forward to drive the spray pipe to rotate forward; The driving motor rotates in the reverse direction and in the forward direction N times, wherein N is an integer greater than or equal to 2, to complete the cleaning process of the surface to be cleaned.

16. The cleaning control method of a clothes processing device according to claim 15, characterized in that: The step of controlling the drive motor to rotate in the reverse direction to drive the spray pipe to rotate in the reverse direction when the first actual power of the drive motor is greater than or equal to the preset power, and the step of controlling the drive motor to rotate in the forward direction to drive the spray pipe to rotate in the forward direction when the second actual power of the drive motor is greater than or equal to the preset power, comprises: In the process that the spray angle of the first spray hole gradually increases, the spray pressure in the spray pipe decreases as the spray angle increases; and, In the process that the spray angle of the first spray hole gradually decreases, the spray pressure in the spray pipe increases as the spray angle decreases.

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