Clothes processing equipment and control method thereof

Abstract

The invention discloses clothes processing equipment and a control method thereof.The clothes processing equipment comprises an outer barrel and an inner barrel rotatably arranged in the outer barrel and further comprises a magnet structure and a magnetism-adjustable magnetic attraction structure, the magnet structure is arranged on the inner barrel, and the magnetic attraction structure is arranged on the outer barrel; and / or the magnet structure is arranged on the outer barrel, the magnetic attraction structure is arranged on the inner barrel, and the magnetism of the adjustable magnetic attraction structure is used for braking the inner barrel. According to the clothes processing equipment, the magnetic attraction structures are arranged on the inner barrel and / or the outer barrel, the inner barrel is braked through the magnetic force generated by the magnetic attraction structures on the corresponding outer barrel and the inner barrel, and therefore the braking effect is achieved, the braking modes of the clothes processing equipment are increased, noise can be avoided through braking of the magnetic attraction structures, and the user experience feeling is improved; and the magnetism can be conveniently adjusted by controlling the current introduced into the magnetic attraction structure, so that the inner barrel is braked at the acceleration corresponding to the state in different washing states, and the stability of the inner barrel in the braking process is improved.

Description

Technical Field

[0001] The present invention belongs to the field of clothing processing equipment, and in particular, relates to a clothing processing equipment and a control method thereof. Background Art

[0002] In the present invention, "clothing processing equipment" refers to a general term for a type of household appliances that can perform washing, dehydration, drying and other programs, such as washing machines, integrated washing and drying machines, etc.

[0003] As people's pace of life is getting faster, clothes processing equipment has become an essential household appliance for cleaning clothes, and clothes processing equipment has also been gradually improved to meet customer experience. Among them, clothes processing equipment has different braking requirements for the inner barrel at different stages of the washing process. In traditional clothes processing equipment, the inner barrel brake adopts the friction deceleration method. For example: the inner barrel and the brake disc are fixed as one and the brake belt is set around the brake disc. When braking is needed, the brake belt is pulled to lock the brake disc, thereby using the friction between the brake belt and the brake disc to brake.

[0004] This type of brake device causes great wear and tear on the brake belt and brake disc, which often need to be replaced and maintained. At the same time, the friction between the brake belt and the brake disc is likely to produce harsh noises, affecting the user experience. And the biggest drawback of this braking method is that the deceleration force is large and difficult to control, resulting in a crash due to excessive deceleration.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The object of the present invention is to provide a clothing processing device to achieve the purpose of braking an inner drum by utilizing a magnetic attraction structure and improving the braking process of the inner drum.

[0007] Another object of the present invention is to provide a control method applied to the above-mentioned clothing processing equipment, so as to achieve the purpose of accurately controlling the magnetic force so that the acceleration of the inner barrel is adapted to the washing process.

[0008] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0009] A clothing processing device comprises an outer barrel and an inner barrel rotatably arranged in the outer barrel, and also comprises a magnet structure and a magnetic attraction structure with adjustable magnetism. The magnet structure is arranged on the inner barrel and the magnetic attraction structure is arranged on the outer barrel, and / or the magnet structure is arranged on the outer barrel and the magnetic attraction structure is arranged on the inner barrel. The magnetism of the adjustable magnetic attraction structure is used to brake the inner barrel.

[0010] Furthermore, a loading port for loading clothes is provided at the upper end of the inner barrel, and the magnetic attraction structure is arranged close to the loading port.

[0011] Furthermore, the magnet structure is circumferentially extended along the peripheral side wall of the inner barrel, and the magnetic attraction structure is opposite to the magnet structure and is arranged on the peripheral side wall of the outer barrel;

[0012] Preferably, the magnet structure is formed by the magnetic peripheral side wall of the inner barrel;

[0013] More preferably, the magnetic attraction structure is arranged on the outer side wall of the outer barrel.

[0014] Furthermore, the magnet structure is circumferentially extended along the peripheral side wall of the outer barrel, and the magnetic attraction structure is opposite to the magnet structure and is arranged on the peripheral side wall of the inner barrel;

[0015] Preferably, the magnet structure is formed by the magnetic peripheral side wall of the outer barrel;

[0016] More preferably, the magnetic attraction structure is arranged on the outer side of the inner barrel peripheral wall.

[0017] The present invention also provides a control method applied to the above-mentioned clothing processing device, wherein a threshold value a is preset, and the rotation speed V of the inner barrel during the washing process is obtained. 0 , compare the speed V 0 and the size of the threshold a, if V 0 <a, then control the magnetic strength and rotation speed V of the magnetic attraction structure 0 Corresponding.

[0018] Furthermore, the control of magnetic magnitude and rotation speed V 0 Correspondingly, it includes: controlling the change in magnetic magnitude and the speed V 0 The change in is positively correlated.

[0019] Furthermore, a preset interval value b is used to obtain the resonance speed V of the inner barrel, and the speed V is compared with the speed V in the acceleration stage of the inner barrel. 0 and the magnitude of the resonant speed V. If V 0 If V is less than V and greater than or equal to Vb, the control adjusts the magnetic magnitude to the maximum value.

[0020] Furthermore, the load of the inner barrel during the dehydration process is obtained and the rate of change of the load is calculated, and the magnetic strength of the magnetic attraction structure is controlled to increase at an equal rate of change.

[0021] Furthermore, the acceleration of the inner barrel is obtained, and the magnetic magnitude is controlled to correspond to the acceleration.

[0022] Furthermore, it is determined whether the washing process is finished when the door cover of the delivery port is opened. If so, the magnetic magnitude is controlled to be adjusted to a maximum value.

[0023] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0024] 1. A magnetic structure is provided on the inner barrel and / or the outer barrel of the clothing processing device, and the magnetic structure generates a magnetic force on the corresponding outer barrel and inner barrel to brake the inner barrel, thereby achieving a braking effect, increasing the braking method of the clothing processing device. Braking by the magnetic structure can avoid noise and improve the user experience. In addition, the magnetic magnitude can be conveniently adjusted by controlling the current passed into the magnetic structure, so that the inner barrel is braked at an acceleration corresponding to the state under different washing conditions, thereby improving the stability of the inner barrel during the braking process.

[0025] 2. The inner barrel is connected to the driving structure at the bottom, and the gap between the inner barrel and the outer barrel is set so that it can swing relative to the outer barrel. The magnetic attraction structure is set at the end close to the delivery port, which can increase the force arm of the magnetic force generated by the magnetic attraction structure on the inner barrel, improve the braking effect of the magnetic attraction structure, and better ensure the stability of the inner barrel during rotation.

[0026] 3. By acquiring various parameters of the inner tub during the washing process and analyzing and processing the parameters, the changing law of the inner tub operation can be obtained, and then the magnetic attraction structure can be controlled and adjusted according to the changing law to accurately control the magnetic magnitude so that the braking process of the inner tub is adapted to the washing process, so that the magnetic attraction structure can brake under different washing conditions with the magnetic magnitude corresponding to the state, thereby improving the stability of the inner tub braking and avoiding the inner tub crashing due to excessive braking speed.

[0027] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0029] Figure 1 is a schematic diagram of a clothes processing device of the present invention;

[0030] Figure 2 is a flow chart of a control method of a clothes processing device of the present invention;

[0031] Figure 3 is a flow chart of another control method of a clothes processing device of the present invention;

[0032] Figure 4It is a flow chart of another control method of a clothes processing device of the present invention.

[0033] Among them: 1. Magnetic structure; 2. Inner barrel; 3. Outer barrel; 4. Driving structure.

[0034] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present invention, "clothing processing equipment" refers to a general term for a type of household appliances that can perform washing, dehydration, drying and other programs, such as washing machines, integrated washing and drying machines, etc.

[0039] like Figure 1 As shown, in an embodiment of the present invention, a clothes processing device which can utilize magnetic force to attract the inner drum 2 for braking is introduced.

[0040] The laundry processing device includes an outer barrel 3 and an inner barrel 2 rotatably arranged in the outer barrel 3, and also includes a magnet structure and a magnetic attraction structure 1 with adjustable magnetism. The magnet structure is arranged on the inner barrel 2, and the magnetic attraction structure 1 is arranged on the outer barrel 3. And / or, the magnet structure is arranged on the outer barrel 3, and the magnetic attraction structure 1 is arranged on the inner barrel 2. The magnetism of the adjustable magnetic attraction structure 1 is used to brake the inner barrel 2.

[0041] The magnetic attraction structure 1 can be driven by direct current or alternating current. When direct current is supplied to the magnetic attraction structure 1, a frequency converter can be used to adjust the input phase angle of the current, so that the magnetic attraction structure 1 generates a continuously changing magnetic field.

[0042] Specifically, the magnetic attraction structure 1 is arranged around the barrel wall of the inner barrel 2 and / or the outer barrel 3. The magnetic attraction structure 1 can be in a sleeve shape, covering the entire barrel wall of the inner barrel 2 and / or the outer barrel 3; or in a ring shape, covering part of the barrel wall of the inner barrel 2 and / or the outer barrel 3.

[0043] The intensity of the current passing through the magnetic attraction structure 1 can be controlled to adjust the magnetic strength of the magnetic attraction structure 1, so as to brake the inner barrel 2. In particular, there is a gap between the barrel wall of the inner barrel 2 and the barrel wall of the outer barrel 3. The magnetic attraction structure 1 is in a strip shape and is evenly distributed on the outer circumference of the outer barrel 3. The magnetic force can pass through the barrel wall of the outer barrel 3 to attract the barrel wall of the inner barrel 2, thereby generating a braking force on the inner barrel 2.

[0044] Furthermore, two independently controlled magnetic structures 1 are correspondingly arranged at the same position in the axial direction of the barrel wall of the inner barrel 2 and the barrel wall of the outer barrel 3. The two magnetic structures 1 are controlled to generate magnetic fields with opposite polarities, which can generate a torque to resist the inner barrel 2, thereby braking the inner barrel 2.

[0045] In another embodiment, one end of the outer barrel 3 is provided with a delivery port and the other end is provided with a driving structure 4 along the axial direction. The inner barrel 2 is inserted into the outer barrel 3 from the delivery port and is fixedly connected to the driving structure 4, and can be driven to rotate by the driving structure 4. The driving structure 4 is provided with a brake disc and a brake belt, and the brake disc can be locked by controlling and pulling the brake belt to perform friction braking.

[0046] The clothes processing device has two sets of brake devices, which can jointly control the magnetic braking and the friction braking to ensure that the inner barrel 2 runs more smoothly and avoid collision of the inner barrel 2.

[0047] In the present embodiment, a magnetic attraction structure 1 is provided on the inner barrel 2 and / or the outer barrel 3 of the clothing processing device, and the magnetic attraction structure 1 generates a magnetic force on the corresponding outer barrel 3 and the inner barrel 2 to brake the inner barrel 2, thereby achieving a braking effect, and increasing the braking method of the clothing processing device. Braking by the magnetic attraction structure 1 can avoid noise and improve user experience, and the magnetic magnitude can be conveniently adjusted by controlling the current passed into the magnetic attraction structure 1, so that the inner barrel 2 is braked under different washing conditions with an acceleration corresponding to the state, thereby improving the stability of the inner barrel 2 during the braking process.

[0048] like Figure 1As shown, in another embodiment of the present invention, a magnetic attraction structure 1 is introduced that can improve the rotation stability during the rotation of the inner barrel 2. A delivery port is provided at one end of the outer barrel 3 along the axial direction, and a driving structure 4 is provided at the other end.

[0049] Specifically, the outer barrel 3 is provided with a delivery port at one end in the axial direction, and the inner barrel 2 is inserted into the outer barrel 3 from the delivery port of the outer barrel 3 and also has a delivery port at the same end as the outer barrel 3 along the axial direction. The magnetic attraction structure 1 is arranged close to the delivery port, and the driving structure 4 is located at the end away from the delivery port, so that the force exerted by the magnetic attraction structure 1 and the driving structure 4 on the inner barrel 2 has the largest force arm.

[0050] Preferably, the magnetic attraction structure 1 is arranged close to the delivery port of the outer barrel 3 , and / or is arranged close to the delivery port of the outer barrel 3 .

[0051] In this embodiment, the inner barrel 2 is connected to the driving structure 4 at the bottom, and a gap is set between the inner barrel 2 and the outer barrel 3 so that the inner barrel 2 can swing relative to the outer barrel 3. The magnetic structure 1 is set at the end close to the delivery port, which can increase the force arm of the magnetic force generated by the magnetic structure 1 on the inner barrel 2, improve the braking effect of the magnetic structure 1, and better ensure the stability of the inner barrel 2 during rotation.

[0052] like Figure 1 As shown, in another embodiment of the present invention, a clothes processing device with better braking effect is introduced. In the clothes processing device, the inner tub 2 and / or the outer tub 3 are made of non-magnetic materials, such as engineering plastics, ceramics, etc.

[0053] The magnetic structure is made of magnetic material. Specifically, the magnetic structure is sleeved on the side wall of the inner barrel 2 and / or the outer barrel 3, and corresponds to the magnetic attraction structure 1 in the axial direction.

[0054] In another embodiment, another clothing processing device is introduced. In the clothing processing device, in order to simplify the structure of the clothing processing device, the inner barrel 2 and / or the outer barrel 3 are made of magnetic material. The magnetic attraction structure 1 is evenly distributed on the side wall of the inner barrel 2 and / or the outer barrel 3 along the circumferential direction.

[0055] The magnetic structure is circumferentially extended along the peripheral side wall of the inner barrel 2 , and the magnetic attraction structure 1 is opposite to the magnetic structure and is arranged on the peripheral side wall of the outer barrel 3 .

[0056] Preferably, the magnet structure is formed by the magnetic peripheral side wall of the inner barrel 2.

[0057] More preferably, the magnetic attraction structure 1 is arranged on the outer side of the side wall of the outer barrel 3 .

[0058] In another embodiment, the magnetic structure is circumferentially extended along the peripheral side wall of the outer barrel 3 , and the magnetic attraction structure 1 is opposite to the magnetic structure and is arranged on the peripheral side wall of the inner barrel 2 .

[0059] Preferably, the magnet structure is formed by the magnetic peripheral side wall of the outer barrel 3;

[0060] More preferably, the magnetic attraction structure 1 is arranged on the outer side of the side wall of the inner barrel 2.

[0061] In this embodiment, the inner barrel 2 and / or the outer barrel 3 are made of non-magnetic material and are sleeved with a magnet structure made of magnetic material. This can concentrate the magnetic force generated by the magnetic attraction structure 1 on the magnet structure, thereby increasing the braking force and response speed of the inner barrel 2 and reducing the manufacturing difficulty of the inner barrel 2 and the outer barrel 3.

[0062] In another embodiment of the present invention, a control method applied to any of the above-mentioned clothes processing devices is introduced, wherein the control method is used to control the magnetic attraction structure to apply magnetic force to the inner barrel to produce a braking effect.

[0063] After the clothes processing device is turned on, the parameters of the inner barrel during the washing process are obtained. The washing process includes all functional stages that require the inner barrel to perform rotational actions, such as the soaking stage, the rinsing stage, the dehydration stage, etc. The parameters of the inner barrel include the load of the inner barrel, the rotation speed of the inner barrel, the acceleration of the inner barrel, etc.

[0064] Then, the magnetic strength of the magnetic attraction structure is dynamically increased or decreased according to the acquired parameters. Dynamically increasing or decreasing according to the acquired parameters includes: analyzing and processing the parameters to obtain the variation law of the parameters during the operation of the inner barrel, and adjusting the magnetic strength accordingly according to the variation law, so as to ensure the smooth operation of the inner barrel.

[0065] Specifically, the control method of the laundry processing device includes the following steps:

[0066] S01 turns on the clothes processing device;

[0067] S02 enters the washing stage and controls the rotation of the inner barrel;

[0068] S03 obtains the parameters of the inner tub during the washing process;

[0069] S04 dynamically increases or decreases the magnetic strength of the magnetic attraction structure according to the parameters of the inner barrel;

[0070] S05 controls the braking of the inner tub after washing is completed;

[0071] S06 turns off the laundry processing device.

[0072] In this embodiment, by acquiring various parameters of the inner tub during the washing process and analyzing and processing the parameters, the changing pattern of the inner tub operation can be obtained, and then the magnetic attraction structure can be controlled and adjusted according to the changing pattern to accurately control the magnetic magnitude so that the braking process of the inner tub is adapted to the washing process, so that the magnetic attraction structure can brake under different washing conditions with the magnetic magnitude corresponding to the state, thereby improving the stability of the inner tub braking and avoiding the inner tub crashing due to excessive braking speed.

[0073] In another embodiment of the present invention, an improved control method is introduced. The dynamically increasing or decreasing the magnetic magnitude according to the parameter includes: controlling the change in the magnetic magnitude to be positively correlated with the change in the parameter. The parameter includes the rotation speed of the inner barrel.

[0074] The control calculates the variation of the parameter in unit time, and obtains the variation law of the parameter during the inner barrel operation process. Then the magnitude of the magnetism is controlled to be adjusted, and the variation of the magnetism is equal to the product of the variation of the parameter and any positive number. That is, the variation of the magnetism is controlled to be positively correlated with the variation of the parameter.

[0075] Specifically, the control method of the laundry processing device includes the following steps:

[0076] S01 turns on the clothes processing device;

[0077] S02 enters the washing stage and controls the rotation of the inner barrel;

[0078] S03 obtains the parameters of the inner tub during the washing process;

[0079] S04 controls and calculates the variation of the parameter in unit time;

[0080] S05 controls and adjusts the magnitude of the magnetism, and the change in the magnitude of the magnetism is positively correlated with the change in the parameter;

[0081] S06 controls the braking of the inner tub after washing is completed;

[0082] S07 turns off the laundry processing device.

[0083] In this embodiment, by making the change in magnetic size positively correlated with the change in parameter, the corresponding change relationship between the magnetic size and the parameter is set, so that the change amplitude of the magnetic size can be controlled to be adjusted synchronously with the change in parameter, thereby avoiding the magnetic attraction structure from exerting a rigid force on the inner barrel, causing the inner barrel to crash.

[0084] In another embodiment of the present invention, an improved control method is introduced. The parameter includes the load, the load of the inner barrel during the dehydration process is obtained and the load change rate is calculated, and the magnetic strength of the magnetic attraction structure is controlled to increase at an equal change rate.

[0085] Specifically, the control method of the laundry processing device includes the following steps:

[0086] S01 turns on the clothes processing device;

[0087] S02 enters the washing stage and controls the rotation of the inner barrel;

[0088] S03 obtains the parameters of the inner tub during the washing process;

[0089] S04 controls and calculates the variation of the parameter in unit time;

[0090] S05 controls and adjusts the magnitude of the magnetism, and the change in the magnitude of the magnetism is positively correlated with the change in the parameter;

[0091] S06 enters the dehydration stage;

[0092] S07 obtains the load of the inner barrel and calculates the rate of change of the load;

[0093] S08 controls to increase the magnetic strength of the magnetic attraction structure at a rate of change of the load;

[0094] S09 controls the braking of the inner tub after washing is completed;

[0095] S10 turns off the laundry treating device.

[0096] In this embodiment, by associating the magnetic size with the load of the inner barrel, the corresponding change relationship between the magnetic size and the load is set. By controlling the magnetism to increase by a value equivalent to the rate of change of the load, the inner barrel is prevented from slowing down sharply due to a decrease in the load, and the magnetic attraction structure exerts a force on the inner barrel to maintain smooth rotation.

[0097] like Figure 2 As shown, another embodiment of the present invention introduces an improved control method. In the control method, the parameters also include the rotation speed.

[0098] Preset threshold a, obtain the speed V of the inner drum during washing 0 , compare the speed V 0 and the size of the threshold a, if V 0 <a, then control the magnetic strength and rotation speed V of the magnetic attraction structure 0 Corresponding.

[0099] Specifically, Figure 2 As shown, the control method of the clothes processing device includes the following steps:

[0100] S01 turns on the clothes processing device;

[0101] S02 presets a threshold value a of the inner barrel rotation speed;

[0102] S03 enters the washing stage and controls the inner drum to rotate;

[0103] S04 obtains the speed V of the inner drum during washing 0 ;

[0104] S05 Comparison speed V 0 and the size of the threshold a;

[0105] S061 If V 0 <a, then the control proceeds to step S07;

[0106] S062 If V 0 ≥a, the control proceeds to step S14;

[0107] S07: Adjust the magnetic strength of the magnetic attraction structure to a value that is consistent with the rotation speed V 0 corresponding;

[0108] S08 controls the calculation of the change in the rotation speed per unit time;

[0109] S09 controls to adjust the magnitude of the magnetism, and the change in the magnitude of the magnetism is positively correlated with the change in the rotation speed;

[0110] S10 enters the dehydration stage;

[0111] S11 obtains the load of the inner barrel and calculates the rate of change of the load;

[0112] S12 controls to increase the magnetic strength of the magnetic attraction structure at a rate of change of the load;

[0113] S13 controls the inner tub to brake after washing is completed;

[0114] S14 controls the magnetic size to the maximum value;

[0115] S15 turns off the laundry processing device.

[0116] In this embodiment, an upper limit value of the inner barrel rotation speed is set. When the inner barrel rotation speed is less than the upper limit value, the magnetism of the magnetic attraction structure is controlled to correspond to the inner barrel rotation speed, which can ensure that the inner barrel runs with a steady acceleration. When the inner barrel rotation speed is greater than the upper limit value, the magnetic attraction structure is controlled to exert the maximum magnetism to brake the inner barrel, so that the inner barrel can be in a safe operating state for a long time.

[0117] like Figure 3 As shown, another embodiment of the present invention introduces an improved control method. Preset interval value b, obtain the resonance speed V of the inner barrel, and compare the speed V in the acceleration stage of the inner barrel. 0 and the magnitude of the resonant speed V. If V 0If V is less than V and greater than or equal to Vb, the control adjusts the magnetic magnitude to the maximum value.

[0118] Specifically, Figure 3 As shown, the control method of the clothes processing device includes the following steps:

[0119] S01 turns on the clothes processing device;

[0120] S02 presets a threshold value a and interval value b of the inner barrel rotation speed;

[0121] S03 obtains the resonance rotation speed V of the inner barrel;

[0122] S04 enters the washing stage and controls the inner barrel to rotate;

[0123] S05 obtains the speed V of the inner drum during washing 0 ;

[0124] S06 Comparison speed V 0 and the size of the threshold a;

[0125] S071 If V 0 <a, then the control proceeds to step S08;

[0126] S072 If V 0 ≥a, the control proceeds to step S17;

[0127] S08 compares the speed V during the inner barrel acceleration phase 0 The magnitude of the resonant speed V

[0128] S091 If Vb≤V 0 <V, then the control proceeds to step S17;

[0129] S092 If V 0 ≥V or V 0 ≤Vb, the control proceeds to step S10;

[0130] S10: The magnetic strength of the magnetic attraction structure is adjusted to a value that is consistent with the rotation speed V. 0 corresponding;

[0131] S11 controls and calculates the change in the rotation speed per unit time;

[0132] S12 controls the adjustment of the magnitude of the magnetism, and the change in the magnitude of the magnetism is positively correlated with the change in the rotation speed;

[0133] S13 enters the dehydration stage;

[0134] S14 obtains the load of the inner barrel and calculates the rate of change of the load;

[0135] S15 controls to increase the magnetic strength of the magnetic attraction structure at a rate of change of the load;

[0136] S16 controls the braking of the inner tub after washing is completed;

[0137] S17 controls the magnetic size to the maximum value;

[0138] S18 turns off the laundry processing device.

[0139] In this embodiment, the magnetic force applied by the magnetic attraction structure to the inner drum is controlled by setting the resonance interval, so that the inner drum can smoothly pass the resonance speed with a smaller acceleration when approaching the resonance speed during the acceleration process, thereby avoiding the problem of increased vibration of the inner drum due to excessive acceleration, or even causing severe vibration of the whole machine, and effectively protecting the clothing processing equipment from being in good condition.

[0140] like Figure 4 As shown, another embodiment of the present invention introduces an improved control method. It is determined whether the washing process is finished when the door cover of the loading port is opened. If so, the magnetic strength is adjusted to the maximum value. If not, the magnetic strength of the magnetic attraction structure is increased at the rate of change of the load.

[0141] Specifically, Figure 4 As shown, the control method of the clothes processing device includes the following steps:

[0142] S01 turns on the clothes processing device;

[0143] S02 presets a threshold value a and interval value b of the inner barrel rotation speed;

[0144] S03 obtains the resonance rotation speed V of the inner barrel;

[0145] S04 enters the washing stage and controls the inner barrel to rotate;

[0146] S05 obtains the speed V of the inner drum during washing 0 ;

[0147] S06 Comparison speed V 0 and the size of the threshold a;

[0148] S071 If V 0 <a, then the control proceeds to step S08;

[0149] S072 If V 0 ≥a, the control proceeds to step S19;

[0150] S08 compares the speed V during the inner barrel acceleration phase 0 The magnitude of the resonant speed V

[0151] S091 If Vb≤V 0<V, the control proceeds to step S19;

[0152] S092 If V 0 ≥V or V 0 ≤Vb, the control proceeds to step S10;

[0153] S10: The magnetic strength of the magnetic attraction structure is adjusted to a value that is consistent with the rotation speed V. 0 corresponding;

[0154] S11 controls and calculates the change in the rotation speed per unit time;

[0155] S12 controls the adjustment of the magnitude of the magnetism, and the change in the magnitude of the magnetism is positively correlated with the change in the rotation speed;

[0156] S13 enters the dehydration stage;

[0157] S14 obtains the load of the inner barrel and calculates the rate of change of the load;

[0158] S15 determines whether the door cover of the clothes processing device is opened during the dehydration process;

[0159] If yes in S161, control proceeds to step S19;

[0160] If S162 is no, control proceeds to step S17;

[0161] S17 controls to increase the magnetic strength of the magnetic attraction structure at a rate of change of the load;

[0162] S18 controls the braking of the inner tub after washing is completed;

[0163] S19 controls the magnetic size to the maximum value;

[0164] S20 turns off the laundry treating device.

[0165] In another embodiment of the present invention, an improved control method is introduced.

[0166] The clothes processing device is provided with two types of brake devices, namely friction type and magnetic type. During the washing process, the friction type and magnetic type brake modes are jointly applied to the inner tub in combination with the functional stage and the real-time speed control of the inner tub.

[0167] For example, when the clothes processing device is in the rinsing stage and the inner drum rotates at a high speed, the friction brake device and the magnetic attraction structure are controlled to start braking the inner drum together.

[0168] When braking the inner barrel, the magnetic attraction structure can be controlled to be started first and then the friction brake device; or the friction brake device can be controlled to be started first and then the magnetic attraction structure.

[0169] In another embodiment, the resonant speed of the inner barrel is obtained according to the load of the inner barrel, and during the dehydration process, the real-time speed of the inner barrel is obtained, and then it is determined whether the resonant speed is greater than the real-time speed. If so, the magnetic magnitude is controlled to be increased to a maximum value when the real-time speed is close to the resonant speed; if not, the magnetic magnitude is controlled to be proportional to the real-time speed.

[0170] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. A clothes processing device, comprising an outer barrel and an inner barrel rotatably arranged in the outer barrel, characterized in that: It also includes a magnet structure and a magnetic attraction structure with adjustable magnetism. The magnet structure is arranged on the inner barrel and the magnetic attraction structure is arranged on the outer barrel, and / or the magnet structure is arranged on the outer barrel and the magnetic attraction structure is arranged on the inner barrel. The magnetism of the adjustable magnetic attraction structure is used to brake the inner barrel.

2. A clothes processing device according to claim 1, characterized in that: The upper end of the inner barrel is provided with a delivery opening for delivering clothes, and the magnetic attraction structure is arranged close to the delivery opening.

3. A clothes processing device according to claim 1 or 2, characterized in that: The magnetic structure is circumferentially extended along the peripheral side wall of the inner barrel, and the magnetic attraction structure is opposite to the magnetic structure and is arranged on the peripheral side wall of the outer barrel; Preferably, the magnet structure is formed by the magnetic peripheral side wall of the inner barrel; More preferably, the magnetic attraction structure is arranged on the outer side of the peripheral wall of the outer barrel.

4. A clothes processing device according to claim 1 or 2, characterized in that: The magnetic structure is circumferentially extended along the peripheral side wall of the outer barrel, and the magnetic attraction structure is opposite to the magnetic structure and is arranged on the peripheral side wall of the inner barrel; Preferably, the magnet structure is formed by the magnetic peripheral side wall of the outer barrel; More preferably, the magnetic attraction structure is arranged on the outer side of the inner barrel peripheral wall.

5. A control method for a clothes processing device according to any one of claims 1 to 4, characterized in that: A threshold a is preset, and the rotation speed V0 of the inner drum during washing is obtained. The rotation speed V0 is compared with the threshold a. If V0<a, the magnetic strength of the magnetic attraction structure is controlled to correspond to the rotation speed V0.

6. A control method for a clothes processing device according to claim 5, characterized in that: The controlling the magnetic magnitude to correspond to the rotation speed V0 includes: controlling the change amount of the magnetic magnitude to be positively correlated with the change amount of the rotation speed V0.

7. A control method for a clothes processing device according to claim 5 or 6, characterized in that: The preset interval value b is used to obtain the resonant rotation speed V of the inner barrel, and the rotation speed V0 is compared with the resonant rotation speed V during the acceleration stage of the inner barrel. If V0 is less than V and greater than or equal to Vb, the magnetic magnitude is controlled to be adjusted to the maximum value.

8. The control method of a clothes processing device according to claim 7, characterized in that: The load of the inner barrel during the dehydration process is obtained and the rate of change of the load is calculated, and the magnetic strength of the magnetic attraction structure is controlled to increase at an equal rate of change.

9. The control method of a clothes processing device according to claim 8, characterized in that: The acceleration of the inner barrel is obtained, and the magnetic magnitude is controlled to correspond to the acceleration.

10. A control method for a clothes processing device according to any one of claims 5 to 9, characterized in that: Determine whether the washing process is finished when the door cover of the delivery port is opened. If so, control the magnetic size to be adjusted to the maximum value.

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