Balancing components and household appliances

Abstract

The present application discloses a balancing component and a household appliance. The balancing component is used for a household appliance. The balancing component includes a balancing body, a balancer, and a wire pulling device. A ring-shaped tooth portion. An annular chamber is formed in the balancing body. The balancer is disposed in the chamber. The balancer includes a power component for driving the balancer to move in the chamber. The wire pulling device is disposed on the balancing body. The wire pulling device includes a winding mechanism and a wire. The wire is wound around the winding mechanism. The wire is connected to the balancer. The winding mechanism is configured to release or wind the wire when the balancer moves in the chamber, so that the wire remains connected to the balancer. When the balancer moves in the chamber, the winding mechanism of the wire pulling device can release or wind the wire, so that the wire can always remain connected to the balancer to achieve power supply and / or communication, improving the reliability of the power supply and / or communication connection of the balancer.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and more specifically, to a balancing component and a household appliance. Background Art

[0002] In household appliances, when the cavity rotates at a high speed, it is easy to cause uneven load distribution inside the cavity. For example, during the dehydration stage of a washing machine, the laundry in the washing unit is unevenly distributed, showing an eccentric situation. When the washing unit rotates at a high speed, a large vibration will be generated. Therefore, a balancer is usually provided to balance the eccentric mass to reduce vibration. Specifically, by controlling the movement of the balancer inside the balance ring, relying on the self-gravity and centripetal force of the balancer to balance the eccentricity of the cavity, the vibration and noise of the household appliance are reduced.

[0003] In the related art, the balancer has a driving device to drive the movement of the balancer itself. Generally, when power is supplied to the driving device, problems such as poor contact often occur, resulting in unreliable electrical connection and affecting the stable and reliable operation of the appliance. Summary of the Invention

[0004] Embodiments of the present application provide a balancing component and a household appliance.

[0005] A balancing component according to an embodiment of the present application is used for a household appliance. The balancing component includes:

[0006] A balance body, in which an annular chamber is formed;

[0007] A balancer, which is arranged in the chamber. The balancer includes a power component for driving the balancer to move in the chamber; and

[0008] A wire-pulling device, which is arranged on the balance body. The wire-pulling device includes a winding mechanism and a wire. The wire is wound around the winding mechanism. The wire is connected to the balancer. The winding mechanism is configured to release or wind the wire when the balancer moves in the chamber, so that the wire remains connected to the balancer.

[0009] In the above balancing component, when the balancer moves in the chamber, the winding mechanism of the wire-pulling device can release or wind the wire, so that the wire can always remain connected to the balancer to achieve power supply and / or communication, improving the reliability of the power supply and / or communication connection of the balancer.

[0010] In some embodiments, the winding mechanism includes a restoring member and a winding member. The winding member is connected to the restoring member, and the wire is wound around the winding member. The restoring member is configured to drive the winding member to rotate to release or wind the wire when the balancer moves within the chamber.

[0011] In some embodiments, the winding mechanism includes a restoring member and a winding member. The winding member is connected to the restoring member, and the wire is wound around the winding member. The restoring member provides a restoring force to the winding member so that the winding member has a force to wind the wire. During the movement of the balancer, the wire is pulled out by the balancer, and thus the winding member releases the wire.

[0012] In some embodiments, when the balancer moves in the first direction, the balancer drives one end of the wire to move, thereby driving the winding member to rotate against the restoring force to release the wire. When the balancer moves in the second direction, the restoring member drives the winding member to rotate to wind the wire by relying on the restoring force. The second direction is opposite to the first direction.

[0013] In some embodiments, the restoring member includes at least one of a coil spring and a torsion spring.

[0014] In some embodiments, the winding mechanism includes a slip ring. The slip ring includes a first connection portion and a second connection portion. The first connection portion is electrically connected to the second connection portion. The second connection portion can rotate relative to the first connection portion. The second connection portion is fixedly connected to the winding member. One end of the wire is connected to the second connection portion, and the other end of the wire is connected to the balancer. The first connection portion is used for electrically connecting to a power source. When the winding member rotates to release or wind the wire, the winding member drives the second connection portion to rotate relative to the first connection portion.

[0015] In some embodiments, the winding member is provided with a receiving hole, and at least a part of the slip ring is located within the receiving hole.

[0016] In some embodiments, the wire pulling device further includes a housing. The housing is fixedly connected to the balance body. The restoring member and the winding member are both disposed within the housing. The housing is formed with a through hole, and the wire passes through the through hole and is connected to the balancer.

[0017] In some embodiments, the inner wall of the chamber includes a first side wall and a second side wall disposed radially along the balance body. The first side wall is closer to the central axis of the chamber than the second side wall, and the wire pulling device is mounted on the second side wall.

[0018] In some embodiments, the number of the wire pulling devices is two, and the number of the balancers is also two. The two wire pulling devices are respectively connected to the two balancers, and the two wire pulling devices are symmetrically arranged on the balance body.

[0019] In some embodiments, the inner wall of the chamber includes a first side wall and a second side wall arranged along the radial direction of the balance body. The first side wall is closer to the central axis of the chamber than the second side wall. The power component includes a driving member and a combined gear. The driving member is connected to the combined gear. The first side wall is provided with an annular tooth portion, and the combined gear meshes with the tooth portion. The driving member is configured to drive the combined gear to rotate so as to drive the balancer to move in the chamber.

[0020] A household appliance according to an embodiment of the present application includes:

[0021] A first cavity;

[0022] A second cavity, the first cavity being rotatably connected to the second cavity; and

[0023] The balance assembly according to any of the above embodiments, the balance body being installed in the first cavity.

[0024] In the above household appliance, when the balancer moves in the chamber, the winding mechanism of the wire pulling device can release or wind the wire, so that the wire can always be connected to the balancer to achieve power supply and / or communication, improving the reliability of the power supply and / or communication connection of the balancer.

[0025] Additional aspects and advantages of the embodiments of the present application will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the embodiments of the present application. Description of the Drawings

[0026] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0027] Figure 1 is a schematic structural diagram of a household appliance according to an embodiment of the present application;

[0028] Figure 2 is an exploded schematic diagram of the first cavity and the balance body according to an embodiment of the present application;

[0029] Figure 3 is an exploded schematic diagram of the balance assembly according to an embodiment of the present application;

[0030] Figure 4 is a partial structural schematic diagram of the balance assembly according to an embodiment of the present application;

[0031] Figure 5 It is another schematic structural diagram of the balance component of the embodiment of the present application;

[0032] Figure 6 It is still another schematic structural diagram of the balance component of the embodiment of the present application;

[0033] Figure 7 It is a schematic structural diagram of the power component of the balancer of the embodiment of the present application;

[0034] Figure 8 It is a partial schematic structural diagram of the power component of the balancer of the embodiment of the present application;

[0035] Figure 9 It is a schematic structural diagram of the balance body and the wire-pulling device of the balance component of the embodiment of the present application;

[0036] Figure 10 It is a partial schematic structural diagram of the balance body and the wire-pulling device of the balance component of the embodiment of the present application;

[0037] Figure 11 It is still another schematic structural diagram of the balance body and the wire-pulling device of the balance component of the embodiment of the present application;

[0038] Figure 12 It is a schematic structural diagram of the wire-pulling device of the balance component of the embodiment of the present application;

[0039] Figure 13 It is an exploded schematic diagram of the wire-pulling device of the balance component of the embodiment of the present application;

[0040] Figure 14 It is a partial schematic structural diagram of the wire-pulling device of the balance component of the embodiment of the present application;

[0041] Figure 15 It is still another exploded partial schematic diagram of the wire-pulling device of the balance component of the embodiment of the present application;

[0042] Figure 16 It is still another partial schematic structural diagram of the wire-pulling device of the balance component of the embodiment of the present application.

[0043] Description of main element symbols:

[0044] Household appliance 1000;

[0045] Balance component 100, first cavity 200, first end 201, second end 202, second cavity 300, mounting plate 400, fixing bracket 500;

[0046] Balancer 10, first ring body 11, second ring body 12, chamber 13, inner wall 131, first side wall 1311, second side wall 1312, first connecting wall 1313, second connecting wall 1314;

[0047] Balancer 20, power component 21, driving part 211, output shaft 2111, speed regulating structure 212, engaging gear 2121, first-stage transmission structure 2122, worm 21221, worm gear 21222, second-stage transmission structure 2123, first gear 21231, second gear 21232, box body 2124, main body 22, opening 221, supporting structure 23, roller 231, fixed shaft 2311, anti-friction part 232;

[0048] Tooth part 30, tooth ring;

[0049] Wire pulling device 40, winding mechanism 41, slip ring 411, first connecting part 4111, second connecting part 4112, restoring part 412, winding part 413, receiving hole 4131, wire 42, housing 43, bottom shell 431, receiving cavity 4311, through hole 4312, end cover 432,

[0050] Identification part 70, displacement detection part 80, calibration part 90, ring-shaped part 91, calibration detection part 110. Detailed implementation manners

[0051] The following details the implementation manners of the present application. The examples of the implementation manners are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The implementation manners described below with reference to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation of the present application.

[0052] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0053] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected" and "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection. It may be a mechanical connection or an electrical connection. It may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0054] The disclosure of the present application provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present application. In addition, the present application may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0055] Please refer to Figures 1 - 3 , a balancing assembly 100 of an embodiment of the present application is used for a household appliance 1000. The household appliance 1000 includes a balancing assembly 100, a first cavity 200, and a second cavity 300. The first cavity 200 is rotatably connected to the second cavity 300, and a load can be placed in the first cavity 200. The balancing assembly 100 includes a balance body 10 and a balancer 20. The balance body 10 is mounted in the first cavity 200. An annular chamber 13 is provided in the balance body 10, and the balancer 20 is located in the chamber 13. The balancer 20 can move in the chamber 13. Specifically, the balancer 20 can move in a circular motion around the central axis Y of the chamber 13 in the chamber 13. The household appliance 1000 can be a laundry appliance such as a washing machine or a dryer, or other household appliances 1000 having a rotatable first cavity 200. The load can be items to be cleaned such as clothes or quilts, or other items.

[0056] It can be understood that when the household appliance 1000 is operating, the first cavity 200 can rotate relative to the second cavity 300, and the load in the first cavity 200 is likely to be unevenly distributed and there is an eccentricity. When the first cavity 200 rotates and the load is eccentric, the household appliance 1000 will generate a large vibration. The balance body 10 is fixedly connected to the first cavity 200 and rotates together with the first cavity 200. Therefore, by controlling the movement of the balancer 20 in the balance body 10, the eccentric mass during the rotation of the first cavity 200 can be offset or reduced by relying on the self-gravity and centripetal force of the balancer 20, and thus the vibration of the household appliance 1000 can be reduced.

[0057] In the illustrated embodiment, the first cavity 200 is rotatably disposed within the second cavity 300. It can be understood that in other embodiments, the first cavity 200 and the second cavity 300 may adopt other rotational connection manners, which are not specifically limited herein. In the example of the present application, the household appliance 1000 is a washing machine, which can be used to wash clothes, and the clothes are placed within the first cavity 200. The first cavity 200 is a washing cavity (inner tub), and the second cavity 300 can be a water-containing cavity (outer tub). Both the water-containing cavity and the washing cavity are cylindrical. The washing cavity is rotatably disposed within the water-containing cavity, and the water-containing cavity and the washing cavity can be disposed within a housing (not shown) of the household appliance 1000. The washing cavity may have a rotational axis X that is horizontally, obliquely or vertically disposed. That is to say, the rotational axis X of the washing cavity is parallel to, inclined to or perpendicular to the horizontal plane. It can be understood that one or more balance bodies 10 can be disposed at any position of the washing cavity, and the balance bodies 10 rotate as the washing cavity rotates. The central axis Y of the chamber 13 is parallel to or coincides with the rotational axis X of the washing cavity. That is to say, the balance bodies 10 can be coaxially disposed with the washing cavity or eccentrically disposed relative to the washing cavity. The balance bodies 10 can also be spirally arranged on the washing cavity.

[0058] In addition, please refer to Figure 1 to further reduce the vibration inside the washing machine from being transmitted to the outside. The water-containing cavity can be connected to the mounting plate 400 through a vibration damping structure. The mounting plate 400 can be fixed to the bottom plate of the housing or be the bottom plate of the housing. The vibration damping structure can adopt structural members such as springs and hydraulics to reduce the transmission of vibration.

[0059] Please refer to Figures 1 - 3 , the household appliance 1000 is a drum washing machine. The first cavity 200 includes a first end 201 and a second end 202 along the rotational axis X. A balance body 10 is respectively mounted at the first end 201 and the second end 202. At least one balancer 20 is disposed within the chamber 13 of each balance body 10. For example, one or two or more than two. Preferably, two balancers 20 are disposed within the chamber 13 of the balance body 10, and the initial balance positions of the two balancers 20 are symmetrically arranged along the radial direction of the balance body 10. This arrangement form enables the first cavity 200 to achieve balance in the no-load state.

[0060] Specifically, a rotating shaft (not shown) can be connected to the second end 202 of the first cavity 200. The rotating shaft is fixedly connected to the fixing frame 500. A power device (not shown) of the household appliance 1000 can be connected to the rotating shaft to drive the first cavity 200 and the fixing frame 300 to rotate together. In Figure 3In the illustrated embodiment, the first end 201 of the first cavity 200 is the front end, and the second end 202 is the rear end. The front end may refer to the end facing the user. In other embodiments, a balance body 10 is provided at the first end 201 or the second end 202 of the first cavity 200, or a balance body 10 is provided between the first end 201 and the second end 202. The fixing frame 500 may be a tripod.

[0061] In Figure 2 and Figure 3 the illustrated embodiment, the balance body 10 is in a circular ring shape, and the balance body 10 may be referred to as a balance ring. It can be understood that in other embodiments, the balance body 10 may be in other shapes, such as plate shape, square ring shape, elliptical ring shape, etc., which are not specifically limited herein.

[0062] Please refer to Figure 3 , each balance body 10 includes a first ring body 11 and a second ring body 12. The first ring body 11 and the second ring body 12 together form a sealed chamber 13, and two balancers 20 are provided in the chamber 13. Since the balance body 10 is in a circular ring shape, the balancer 20 can perform a circular motion in the chamber 13 of the balance body 10. In Figure 3 the illustrated embodiment, the first ring body 11 is provided with the chamber 13, which may be referred to as the balance ring body, and the second ring body 12 may be referred to as an end cover. The second ring body 12 is connected to the first ring body 11 to seal the chamber 13.

[0063] Please refer to Figure 3 , the inner wall 131 of the chamber 13 includes a first side wall 1311, a second side wall 1312, a first connecting wall 1313, and a second connecting wall 1314. The first side wall 1311 and the second side wall 1312 are arranged along the radial direction of the balance body 10, and the first side wall 1311 is closer to the central axis Y of the chamber 13 than the second side wall 1312. The first connecting wall 1313 connects the first side wall 1311 and the second side wall 1312, and the second connecting wall 1314 connects the first side wall 1311 and the second side wall 1312. The second connecting wall 1314 and the first connecting wall 1313 are oppositely arranged. Specifically, the first ring body 11 includes the first side wall 1311, the second side wall 1312, and the first connecting wall 1313, and the second ring body 12 includes the second connecting wall 1314. It should be noted that in the illustrated embodiment, the central axis Y of the chamber 13 coincides with the rotation axis X of the first cavity 200. Coincidence can be understood as complete coincidence between the two, or the magnitude of the eccentricity between the two is within the desired range. For example, the eccentricity between the two is within the assembly error range.

[0064] Please refer to Figures 4 - 6, the balancer 20 includes a power component 21, a body 22, and a support structure 23. The power component 21 is connected to a balance control board (not shown in the figure), that is, the control circuit board of the balancer. A balance controller may be provided on the balance control board to control the operation of the balancer 20. For example, the balance controller is used to control the power component 21 to drive the balancer 20 to move within the chamber 13 of the balance body 10. Another example is to control the communication between the balancer 20 and the household appliance 1000, etc.

[0065] Specifically, the power component 21 includes a driving member 211 and a combined gear 2121, and the driving member 211 is connected to the combined gear 2121. Please refer to Figures 3 - 6 , the balance assembly 100 further includes an annular tooth portion 30, and the tooth portion 30 is arranged circumferentially along the balance body 10 within the chamber 13. Specifically, in the illustrated embodiment, the tooth portion 30 is provided on the first side wall 1311, and the combined gear 2121 meshes with the tooth portion 30.

[0066] It can be understood that the balancer 20 is driven by the meshing of the combined gear 2121 and the tooth portion 30. The meshing has the characteristics of high precision and stable transmission, and there is no risk of slipping. Moreover, the combined gear 2121 meshes with the tooth portion 30 provided on the first side wall 1311 close to the central axis Y of the balance body 10, which can avoid the resistance caused by the over-tight meshing due to the centrifugal force generated when the first cavity 200 rotates, so that it is difficult to drive the balancer 20. Thus, it is ensured that when the first cavity 200 rotates, especially at high speed, the balancer 20 moves smoothly and stably within the chamber 13. In addition, in the illustrated embodiment, the tooth portion 30 is integrally formed with the balance body 10. For example, the tooth portion 30 is the tooth on an annular tooth ring, and the tooth ring is fixedly installed on the first side wall 1311 of the chamber 13. It can be understood that in other embodiments, the tooth portion 30 can also be directly formed on the first side wall 1311 of the chamber 13, and no specific limitation is made here.

[0067] In the illustrated embodiment, the number of combined gears 2121 meshing with the tooth portion 30 for each balancer 20 is single. In this way, only one annular tooth portion 30 needs to be provided on the first side wall 1311, and both the combined gear 2121 and the tooth portion 30 are single, which can save costs. In other embodiments, the number of combined gears 2121 can be two or other numbers, and the number of tooth portions 30 can be set according to actual needs. Two or more combined gears 2121 can mesh with one tooth portion 30.

[0068] Please refer to Figure 6, the main body 22 is provided with an opening 221. The power component 21 is arranged on the main body 22, and the engaging gear 2121 partially protrudes from the opening 221. In this way, the part of the engaging gear 2121 protruding from the opening 221 meshes with the tooth part 30 arranged on the first side wall 1311, and the power component 21 can move the balancer 20 by driving the meshing action between the engaging gear 2121 and the tooth part 30. It should be noted that the main body 22 can be integrally formed by a steel plate with a relatively large stiffness. Therefore, when the first cavity 200 rotates at a high speed, the reliability and stability of the entire balancer 20 can still be maintained. It can be understood that the main body 22 can also be made of other metal or non-metal materials, which are not specifically limited herein.

[0069] Further, please refer to Figure 5 and Figure 6 , the power component 21 includes a speed regulation structure 212. The speed regulation structure 212 includes an engaging gear 2121, and the speed regulation structure 212 is connected to the driving part 211. In this way, the speed regulation structure 212 can adjust the output torque of the driving part 211, and further control the moving speed of the balancer 20. Specifically, please refer to Figure 8 , the speed regulation structure 212 includes a first-stage transmission structure 2122 and a second-stage transmission structure 2123. The first-stage transmission structure 2122 is connected to the output shaft 2111 of the driving part 211, and the second-stage transmission structure 2123 is connected to the first-stage transmission structure 2122 and the engaging gear 2121. In this way, the reduction ratio of the balancer 20 can be achieved through the two-stage transmission structure.

[0070] Still further, please refer to Figure 7 and Figure 8 , the speed regulation structure 212 may further include a box body 2124. The first-stage transmission structure 2122 and the second-stage transmission structure 2123 are located inside the box body 2124. The box body 2124 can be made of a thick steel plate that is firm and not easily deformed. The box body 2124 is integrally rectangular. In other embodiments, the box body 2124 can also be a cube, a prism, a cylinder or other shapes. The engaging gear 2121 is connected to the second-stage transmission structure 2123 and partially protrudes from the box body 2124.

[0071] Specifically, in the embodiment of the present application, the first-stage transmission structure 2122 includes a worm 21221 and a worm wheel 21222. The second-stage transmission structure 2123 includes a first gear 21231 and a second gear 21232. The worm 21221 is connected to the output shaft 2111 of the driving part 211 and the worm wheel 21222. The worm wheel 21222 and the first gear 21231 are fixedly connected. The first gear 21231 and the second gear 21232 are meshed. The second gear 21232 is connected to the engaging gear 2121. In Figure 8In the illustrated embodiment, the second gear 21232 is a double gear, which is respectively meshed with the first gear 21231 and the coupling gear 2121. In other embodiments, the second gear 21232 may be a single gear, which is selected according to the reduction ratio or other parameters, and is not specifically limited here.

[0072] During the operation of the power component 21, the driving member 211 first drives the worm 21221 to rotate through the output shaft 2111, and then the worm 21221 drives the worm wheel 21222 matched therewith to rotate, realizing the first stage of transmission, and the worm wheel 21222 drives the first gear 21231, and then the first gear 21231 drives the second gear 21232 to realize the second stage of transmission. The second gear 21232 drives the combined gear 2121 to rotate, thereby driving the balancer 20 to move in the chamber 13. Since the worm wheel 21222 and the worm 21221 have self-locking properties, the worm wheel 21222 and the worm 21221 can play a role of limiting. When the driving member 211 is not working, the balancer 20 can stably stop at a certain position in the chamber 13.

[0073] For further information, see Figures 4 - 6 In the illustrated embodiment, the support structure 23 is disposed on the body 22, and the support structure 23 is supported on the inner wall 131 of the chamber 13. Thus, the balancer 20 operates more stably through the contact between the support structure 23 and the inner wall 131.

[0074] Specifically, the support structure 23 includes a roller 231, which is rotatably disposed on the body 22, and the roller 231 contacts the second side wall 1312. When the balancer 20 moves, the roller 231 can rotate relative to the body 22. It can be understood that the roller 231 plays a role in bearing the centrifugal force and gravity of the entire balancer 20.

[0075] In some embodiments, the roller 231 may be a bearing and may be connected to the body 22 via a fixed shaft 2311. The fixed shaft 2311 is fixedly connected to the body 22, and the fixed connection method may be welding, screw connection, snap-fit, interference fit, etc., which are not specifically limited here. The roller 231 is sleeved on the fixed shaft 2311, and the roller 231 can rotate relative to the body 22. The body 22 is provided with rollers 231 at both ends along the circumferential direction of the chamber 13. In the process of the driving member 211 driving the combined gear 2121 to drive the balancer 20 to move, the roller 231 rotates around the fixed shaft 2311 and rotates relative to the body 22, so that the balancer 20 moves more stably in the chamber 13. In other embodiments, the roller 231 may include a rotating shaft and a wheel, the wheel is fixedly connected to the rotating shaft, and the rotating shaft can be rotatably connected to the body 22. The number of wheels may be one, two, or more than two.

[0076] Further, the support structure 23 may further include an anti-friction member 232. The anti-friction member 232 is rotatably disposed on the body 22 and contacts the first connecting wall 1313 and / or the second connecting wall 1314. When the balancer 20 moves, the anti-friction member 232 can rotate relative to the body 22. In this way, the moving space of the balancer 20 is further defined, the offset of the balancer 20 in other directions is reduced, and at the same time, the resistance of the balancer 20 to move can also be reduced, improving the stability of the movement of the balancer 20. It can be understood that the balancer 20 is located in the sealed chamber 13. When the balancer 20 moves, the desired moving direction of the balancer 20 is along the circumferential direction of the chamber 13. During the movement, the balancer 20 may rub against the first connecting wall 1313 and / or the second connecting wall 1314. By providing the anti-friction member 232 on the body 22 that contacts the first connecting wall 1313 and / or the second connecting wall 1314, on the one hand, the moving direction of the balancer 20 can be corrected and restricted, and on the other hand, the frictional force when the balancer 20 contacts the first connecting wall 1313 and / or the second connecting wall 1314 can be effectively reduced.

[0077] In one embodiment, the anti-friction members 232 are rotatably disposed on both sides of the body 22, and the anti-friction members 232 located on both sides of the body 22 contact the first connecting wall 1313 and the second connecting wall 1314. In another embodiment, the anti-friction member 232 is rotatably disposed on one side of the body 22, and the anti-friction member 232 located on one side of the body 22 contacts the first connecting wall 1313 or the second connecting wall 1314.

[0078] In one embodiment, the anti-friction member 232 includes bull's-eye wheels. Bull's-eye wheels are provided on both side surfaces of the body 22 that contact the first connecting wall 1313 and the second connecting wall 1314, and two bull's-eye wheels are provided at intervals on each side surface. In other embodiments, bull's-eye wheels may be provided on the side surface that contacts the first connecting wall 1313, or bull's-eye wheels may be provided on the side wall that contacts the second connecting portion 4112. The number of bull's-eye wheels provided on each side surface may be one, two, or other numbers, which are not specifically limited herein. Of course, the anti-friction member 232 may be other objects having an anti-friction function.

[0079] Please refer to Figures 9 - 11 , in some embodiments, the balance assembly 100 further includes a wire pulling device 40. The wire pulling device 40 is fixedly disposed on the balance body 10. The wire pulling device 40 includes a winding mechanism 41 and a wire 42. The wire 42 is wound around the winding mechanism 41. One end of the wire 42 is electrically connected to the balancer 20, and the other end is electrically connected to a power source. The power source can supply power to the balancer 20 through the wire 42. The winding mechanism 41 is configured to release or wind the wire 42 when the balancer 20 moves in the chamber 13, so that the wire 42 remains connected to the balancer 20.

[0080] In this way, no matter which position the balancer 20 moves to within the chamber 13, the wire drawing device 40 can enable the wire 42 to always remain connected to the balancer 20 to achieve power supply and / or communication, improving the reliability of power supply and / or communication of the balancer 20.

[0081] It can be understood that the electrical connection of the wire 42 between the balancer 20 and the power supply can be understood as the wire 42 being directly connected to the balancer 20 and the power supply or being connected to the balancer 20 or the power supply through other conductive structures, without specific limitations. Additionally, it can also be understood that in some embodiments, the wire 42 can also be used for communication between the balancer 20 and the main controller of the household appliance (such as the program control circuit board of the household circuit). Furthermore, the power supply connected to the wire 42 can be the mains power supply or the power supply device of the household appliance 1000. For example, the storage battery or transformer of the household appliance 1000, without specific limitations here.

[0082] Furthermore, please refer to Figures 12 - 16 , the winding mechanism 41 includes a restoring member 412 and a winding member 413. The winding member 413 is connected to the restoring member 412, and the wire 42 is wound around the winding member 413. The restoring member 412 provides a restoring force to the winding member 413 so that the winding member 413 has a force to wind the wire 42. During the movement of the balancer 20, the wire 42 is pulled out by the balancer 20, causing the winding member 413 to release the wire 42.

[0083] In this way, when the balancer 20 is stationary within the chamber 13, the restoring member 412 can provide a restoring force to the winding member 413 so that the winding member 413 has a force to wind the wire 42, thereby enabling the wire 42 to be kept in a tensioned state and not interfering with the movement of the balancer 20 due to the excessive slack of the wire 42.

[0084] Specifically, during the movement of the balancer 20, if a longer wire 42 is required between the balancer 20 and the wire drawing device 40, the balancer drives the wire 42 to move together, enabling the winding member 413 to overcome the restoring force exerted by the restoring member 412 and pull out the wire 42 from the wire drawing device 40 so that the wire 42 can remain electrically connected to the balancer 20. During the movement of the balancer 20, if the balancer 20 releases the wire 42, that is, the balancer 20 does not exert a force on the wire 42, the winding member 413 will rotate under the action of the restoring force of the restoring member 412 to wind up the excess wire 42, keeping the wire 42 in a tensioned state without affecting the movement of the balancer 20.

[0085] Further, when the balancer 20 moves in the first direction, the balancer 20 drives one end of the wire 42, thereby driving the winding member 413 to rotate against the restoring force to release the wire 42. When the balancer 20 moves in the second direction, the restoring member 412 drives the winding member 413 to rotate by relying on the restoring force to wind the wire 42. The second direction is opposite to the first direction. It should be noted that in the embodiment of the present application, the movement of the balancer 20 in the first direction can be understood as the balancer 20 rotating around the central axis Y of the chamber 13 in the first direction, and the movement of the balancer 20 in the second direction can be understood as the balancer 20 rotating around the central axis Y of the chamber 13 in the second direction, that is, rotating in the opposite direction of the first direction.

[0086] Specifically, in Figure 11 the shown embodiment, the first direction is the clockwise direction, the second direction is the counterclockwise direction, and the wire 42 can be pulled out by the balancer 20 in the clockwise direction. In Figure 11 the shown embodiment, when the balancer 20 moves in the first direction, in the first direction, the distance between the balancer 20 and the wire pulling device 40 gradually increases. In this way, the balancer 20 can drive the wire 42 to move, so that the winding member 413 rotates against the restoring force of the restoring member 412 to release the wire 42, so that the wire 42 can maintain electrical connection with the balancer 20 to improve the reliability of power supply and / or communication of the balancer 20. When the balancer 20 moves in the second direction, in the second direction, the distance between the balancer 20 and the wire pulling device 40 gradually decreases, the balancer 20 gradually releases the wire 42, and the winding member 413 gradually winds the wire 42 under the action of the restoring force of the restoring member 412. It can be understood that in the embodiment of the present application, the distance that the balancer 20 moves in the first direction is basically equal to the length of the wire 42 released by the winding member 413, and the distance that the balancer 20 moves in the second direction is basically equal to the length of the wire 42 wound by the winding member 413. Therefore, due to the existence of the restoring member 412, no matter how the balancer 20 moves, the winding mechanism 41 can keep the wire 42 in a tensioned state and will not be too loose to affect the movement of the balancer 20.

[0087] It can be understood that in other embodiments, the first direction can be the counterclockwise direction, the second direction can be the clockwise direction, and the specific working principle of the winding mechanism 41 is similar to the above, and in order to avoid redundancy, it will not be repeated here.

[0088] In addition, the restoring force is less than the frictional force between the balancer 20 and the balance body 10 when the balancer 20 is stationary in the chamber 13. In this way, when the balancer 20 is stationary, the restoring force is less than the static frictional force between the balancer 20 and the balance body 10 when the balancer 20 is stationary in the chamber 13, and the balancer 20 will not be pulled due to the existence of the restoring force, ensuring the accuracy of balance adjustment.

[0089] In an embodiment of the present application, the restoring member 412 includes at least one of a coil spring and a torsion spring. The winding member 413 can be a grooved pulley, and the wire 42 is wound around the grooved pulley. In this way, a coil spring and / or a torsion spring can apply a restoring force to the winding member 413, and the structure is relatively simple. It can be understood that in this embodiment, the restoring member 412 can be a coil spring or a torsion spring alone, or a combination of a coil spring and a torsion spring, and there is no specific limitation.

[0090] In other embodiments, the restoring member 412 can also be configured to drive the winding member 413 to rotate to release or wind the wire 42 when the balancer 20 moves in the chamber 13. That is to say, the restoring member 412 can actively drive the winding member 413 to rotate to release or wind the wire 42. In this way, when the balancer 20 moves, the restoring member 412 can correspondingly drive the winding member 413 to rotate to release or wind the wire 42, so that the wire 42 can maintain electrical connection with the balancer and can tension the wire 42 without interfering with the movement of the balancer due to excessive slack of the wire.

[0091] Specifically, in such an embodiment, the restoring member 412 can include a motor. The winding member 413 can also be a grooved pulley, and the wire 42 is wound around the grooved pulley. The motor can actively drive the grooved pulley to rotate to release or wind the wire 42. For example, Figure 11 , when the balancer 20 moves in the first direction, the motor can actively drive the winding member 413 to rotate to release the wire 42. When the balancer 20 moves in the second direction, the motor can actively drive the winding member 413 to rotate in the reverse direction to wind the wire 42. Furthermore, no matter how the balancer 20 moves, due to the presence of the restoring member 412, the wire 42 can always maintain electrical connection with the balancer 20. It can be understood that when the motor is in the off state, the motor shaft of the motor is in a stationary state. That is to say, when the motor is off, even if the balancer 20 has a tendency to move, the balancer 20 cannot drive the winding member 413 to rotate. In addition, in some embodiments, the start and stop of the motor can be linked with the movement of the balancer 20, which can be controlled by a balance controller or the main controller of the household appliance 1000, and there is no specific limitation. The movement of the balancer 20 can include the movement direction and the movement distance. Preferably, the movement speed of the balancer 20 is a set value, and during the process of controlling the movement of the balancer, the magnitude of the movement speed of the balancer 20 remains unchanged.

[0092] Please refer to Figures 12 - 16, the rewinding mechanism 41 further includes a slip ring 411. The slip ring 411 includes a first connection part 4111 and a second connection part 4112. The first connection part 4111 is electrically connected to the second connection part 4112. The second connection part 4112 can rotate relative to the second connection part 4112. The second connection part 4112 is fixedly connected to the rewinding member 413. One end of the wire 42 is connected to the second connection part 4112, and the other end of the wire 42 is connected to the balancer 20. The first connection part 4111 is used for electrically connecting to the power supply. When the rewinding member 413 rotates to release or wind up the wire 42, the rewinding member 413 drives the second connection part 4112 to rotate relative to the first connection part 4111.

[0093] In this way, the slip ring 411 can be installed on the rewinding member 413 through the second connection part 4112, and the wire 42 can be connected to the power supply through the slip ring 411. Specifically, the first connection part 4111 of the slip ring 411 is connected to the power supply, and the second connection part 4112 can rotate relative to the first connection part 4111. In this way, when the rewinding member 413 rotates, the second connection part 4112 can follow the rotation, and the part of the wire 42 connected to the second connection part 4112 can also follow the rotation accordingly. On the one hand, this can prevent the wire 42 from getting wound, and on the other hand, it can also prevent the part of the wire 42 and the second connection part 4112 from becoming loose and affecting the electrical connection with the second connection part 4112.

[0094] Specifically, the slip ring 411 can be a conductive slip ring. The first connection part 4111 can be the stator of the conductive slip ring, and the second connection part 4112 can be the rotor of the conductive slip ring. During the process that the rewinding member 413 rotates to release or wind up the wire 42, the rewinding member 413 drives the second connection part 4112 to rotate. In this way, one end of the wire 42 connected to the second connection part 4112 can also rotate accordingly, thereby preventing the wire 42 from getting wound and preventing the connection between the wire 42 and the second connection part 4112 from becoming loose and affecting the electrical connection between the two.

[0095] Furthermore, the rewinding member 413 is provided with a receiving hole 4131, and at least part of the slip ring 411 is located in the receiving hole 4131. In this way, the slip ring 411 can be received in the receiving hole 4131. The rewinding member 413 can protect the slip ring 411, and at the same time, it can also reduce the space occupied by the rewinding mechanism 41, so that the volume of the wire pulling device 40 can be made smaller. Specifically, the receiving hole 4131 can be opened at the central position of the rewinding member 413, and the central axis of the slip ring 411 coincides with the central axis of the receiving hole 4131. In this way, when the rewinding member 413 rotates around its central axis, it can also drive the second connection part 4112 to rotate around the same axis, so as to enable the two to rotate synchronously and prevent the wire 42 from getting wound.

[0096] Furthermore, please refer to Figures 11 - 13, the wire pulling device 40 further includes a housing 43, the housing 43 is fixedly connected to the balance body 10, the return member 412 and the winding member 413 are both disposed within the housing 43, the housing 43 is formed with a through hole 4312, and the wire 42 passes through the through hole 4312 and is connected to the balancer 20.

[0097] In this way, the wire pulling device 40 can be integrally fixed to the balance body 10 through the housing 43. The housing 43 can effectively protect components such as the return member 412, the winding member 413, and the wire 42 disposed therein from external interference. The through hole 4312 in the housing 43 allows the wire 42 to pass through without affecting the release and winding of the wire 42 by the winding member 413.

[0098] Specifically, please refer to Figure 13 and Figure 15 , the housing 43 is substantially cylindrical. The housing 43 includes a bottom shell 431 and an end cover 432. The bottom shell 431 is formed with an annular receiving cavity 4311, and the return member 412 and the winding member 413 are received in the receiving cavity 4311. The end cover 432 is detachably connected to the bottom shell 431, and the end cover 432 covers the bottom shell 431 to close the receiving cavity 4311. A through hole 4312 is formed on the inner wall of the bottom shell 431, and the through hole 4312 communicates with the receiving cavity 4311. One end of the wire 42 passes through the through hole 4312 and is electrically connected to the balancer 20.

[0099] It should be noted that, in the embodiment shown in Figure 11 , when the balancer 20 pulls the wire 42 out of the wire pulling device 40, the shape of the wire 42 is arc-shaped, which is only illustrative. For example, when the length of the wire 42 pulled out by the balancer 20 is short, the wire 42 can remain in an arc shape. It can be understood that, in the embodiments of the present application, as the balancer 20 moves, the balancer 20 can tighten and straighten the wire 42, so that the wire 42 is closely attached to the second side wall 1312 of the chamber 13. In addition, it can also be understood that, in some embodiments, an elastic support sleeve can be provided on the wire 42. When the balancer 20 pulls the wire 42 out, the elastic support sleeve can have a certain supporting effect on the wire 42 so that the wire 42 remains in an arc shape without contacting the second side wall 1312 to prevent the wire 42 from being damaged due to repeated friction with the second side wall 1312. The specific setting method is not limited herein.

[0100] In some embodiments, the wire pulling device 40 is mounted on the second side wall 1312 of the chamber 13.

[0101] Thus, when the balancer 20 pulls out the wire 42, the wire 42 is relatively close to the second side wall 1312, which can effectively prevent the wire 42 from rubbing against other side walls of the inner wall of the chamber 13. At the same time, it can also prevent the wire 42 from colliding with the second side wall 1312 to a large extent during the process of the balancer 20 straightening the wire 42 due to the wire 42 being far from the second side wall 1312.

[0102] Please refer to Figure 9 , in some embodiments, the number of the wire pulling devices 40 is two, and the number of the balancers 20 is also two. The two wire pulling devices 40 are respectively connected to the two balancers 20, and the two wire pulling devices 40 are symmetrically arranged on the balance body 10.

[0103] Thus, the two wire pulling devices 40 being symmetrically arranged on the balance body 10 can achieve mutual mass balance, thereby preventing the wire pulling devices 40 themselves from causing eccentricity to the first cavity 200.

[0104] Please refer to Figure 7 and Figure 8 , in some embodiments, the driving member 211 may further include a displacement detecting member 80. When the power component 21 drives the balancer 20 to move in the chamber 13, the displacement detecting member 80 is used to detect the number of turns that the output shaft 2111 rotates. The number of turns that the output shaft 2111 rotates is related to the position of the balancer 20.

[0105] It can be understood that the driving member 211 may be a motor, and its output shaft 2111 is a motor shaft. When the power component 21 drives the balancer 20 to move in the chamber 13, the number of turns that the output shaft 2111 rotates is related to the position of the balancer 20. Therefore, the moving distance of the balancer 20 can be determined by detecting the number of turns that the output shaft 2111 rotates, and the position of the balancer 20 can be determined by combining the initial balance position of the balancer 20. The initial balance position may refer to the position of the balancer 20 before it starts to move in the chamber 13, or may refer to a certain position that can be determined during the movement of the balancer 20.

[0106] Specifically, in one embodiment, the displacement detecting member 80 may include a Hall sensor and a magnetic member. The Hall sensor may be arranged on the output shaft 2111 of the driving member 211 and rotate with the rotation of the output shaft 2111. The magnetic member may be fixedly arranged at other positions of the driving member 211 or the balancer 20 and remain stationary. When the Hall sensor rotates to a position opposite to the magnetic member, affected by the magnetic field generated by the magnetic member, the Hall sensor outputs a pulse signal, thereby the number of turns that the output shaft 2111 rotates can be detected. The magnetic member may be a permanent magnet. It can be understood that the Hall sensor may also remain stationary, and the magnetic member is arranged on the output shaft 2111 of the driving member 211 and rotates with the rotation of the output shaft 2111.

[0107] In other embodiments, the displacement detector 80 may be an optical sensor, an ultrasonic sensor, etc. In one embodiment, the optical sensor includes a light emitter and a light receiver. One of the light emitter and the light receiver may be fixed to the output shaft 2111 and rotate with the rotation of the output shaft 2111, and the other is fixed at other positions of the driving member 211 or the balancer 20 and remains stationary. When the output shaft 2111 rotates one full circle, the light receiver can receive the light signal emitted by the light emitter, thereby detecting the number of turns the output shaft 2111 has rotated. The detection principle of the ultrasonic sensor is similar to that of the optical sensor and will not be elaborated here.

[0108] In other embodiments, when the displacement detector 80 is an optical sensor, the optical sensor includes a light emitter and a light receiver. A component with a reflectivity different from that of the output shaft 2111 is provided on the output shaft 2111 of the driving member 211. For example, a dark coating is formed on the output shaft 2111 of the driving member 211. The light emitter and the light receiver are arranged obliquely below the output shaft 2111 and symmetrically along the output shaft 2111. The light emitted by the light emitter is incident on the output shaft 2111 or the component, and the light receiver receives the light reflected by the output shaft 2111 or the component. Since the reflectivity of the output shaft 2111 is different from that of the component, there is also a difference in the intensity of the light signals received by the light receiver correspondingly. Thus, during the rotation of the output shaft 2111, the displacement detector 80 detects multiple pulses. One pulse may correspond to one full turn of the output shaft 2111, or two pulses may correspond to one full turn of the output shaft 2111, or more than two pulses may correspond to one full turn of the output shaft 2111, etc., and specific calibration can be carried out according to the actual situation.

[0109] Please refer to Figure 5 , in some embodiments, the balancing assembly 100 may include an identification member 70 and a displacement detector 80. When the balancer 20 moves within the chamber 13, relative movement occurs between the identification member 70 and the displacement detector 80. The displacement detector 80 is used to detect the number of times the identification member 70 passes by the displacement detector 80, and the number of times the identification member 70 passes by the displacement detector 80 is related to the position of the balancer 20. In this way, the displacement detector 80 can detect the number of times the identification member 70 passes by the displacement detector 80, and thus can obtain the moving distance of the balancer 20, and thereby determine the position of the balancer 20.

[0110] It can be understood that when the balancer 20 moves within the chamber 13, relative movement occurs between the identification member 70 and the displacement detector 80 and the identification member 70 passes by the displacement detector 80, and the number of times the identification member 70 passes by the displacement detector 80 is related to the position of the balancer 20. Therefore, the moving distance of the balancer 20 can be determined by detecting the number of times the identification member 70 passes by the displacement detector 80, and the position of the balancer 20 can be determined by combining the initial balancing position of the balancer 20.

[0111] Specifically, in the Figure 5 shown embodiment, the teeth of the coupling gear 2121 can be utilized as the identification member 70, so that there is no need to additionally provide an identification member. Of course, in some embodiments, the teeth of the tooth portion 30 can also be utilized as the identification member 70. The displacement detection member 80 can be provided on the balancer 20, and the displacement detection member 80 includes at least one of a light sensor, a Hall sensor, and an ultrasonic sensor. Hereinafter, taking the teeth of the coupling gear 2121 as the identification member 70 and the displacement detection member 80 as a light sensor as an example for detailed description.

[0112] There are grooves between the teeth of the coupling gear 2121, and the teeth and the grooves are evenly and alternately distributed. The coupling gear 2121 meshes and rotates with the tooth portion 30. When the coupling gear 2121 rotates, the balancer 20 can be driven to move. In this case, the teeth of the coupling gear 2121 can be used as the identification member 70. Correspondingly, the displacement detection member 80 can be installed at a position on the balancer 20 facing the teeth or grooves of the coupling gear 2121. When the coupling gear 2121 rotates, the displacement detection member 80 remains stationary. During the rotation of the coupling gear 2121, the teeth and grooves of the coupling gear 2121 will continuously and alternately pass by the displacement detection member 80. Therefore, the number of times the teeth of the coupling gear 2121 pass by the displacement detection member 80, that is, the number of teeth of the coupling gear 2121 passing by the displacement detection member 80, can be detected. It can be understood that in other embodiments, the groove between two teeth can also be used as the identification member.

[0113] When the displacement detector 80 is an optical sensor, the optical sensor includes a light emitting element and a light receiving element. The light emitting element and the light receiving element can be arranged on the same side of the coupling gear 2121, or respectively arranged on the opposite sides of the coupling gear 2121. Since the teeth of the coupling gear 2121 block the light emitted by the light emitting element, while the groove does not block the light emitted by the light emitting element. When the light emitting element and the light receiving element are arranged on the same side of the coupling gear 2121, the light receiving element can receive a relatively strong light signal intensity reflected by the teeth, while there is no light signal intensity reflected by the groove, or a relatively weak light signal intensity reflected by the groove (which may be due to the light reflected by other components outside the groove). After being processed by the balance controller, a regular pulse signal can be obtained. The number of pulses is the number of teeth rotated by the coupling gear 2121. From this, the moving distance of the balancer 20 can be obtained, and then combined with the initial balance position of the balancer 20, the position of the balancer 20 can be obtained. When the light emitting element and the light receiving element are respectively arranged on the opposite sides of the coupling gear 2121, the light receiving element can receive a relatively strong light signal intensity passing through the groove, and no or a relatively weak light signal intensity is received due to the teeth blocking the light. After being processed by the balance controller, a regular pulse signal can be obtained. The number of pulses is the number of teeth rotated by the coupling gear 2121. From this, the moving distance of the balancer 20 can be obtained, and then combined with the initial balance position of the balancer 20, the position of the balancer 20 can be obtained. In one example, the light emitting element can be a light emitting diode (such as a visible light emitting diode or an infrared light emitting diode), and the light receiving element can be a photodiode.

[0114] In other embodiments, black and white stripes can be used as the identification member 70. Correspondingly, the displacement detector 80 can be an optical sensor.

[0115] In the embodiment of the present application, the chamber 13 is provided with an initial balance position. The balance controller is electrically connected to the displacement detector 80. The balance controller is used to determine the position of the balancer 20 according to the number of times the identification member 70 passes through the displacement detector 80 and the initial balance position. In this way, it is convenient to determine the position where the balancer 20 is located.

[0116] It can be understood that when the balancer 20 does not move, the initial balance position of the balancer 20 refers to the default position when the balancer 20 is stationary in the chamber 13. The balance controller records the initial balance position. When the balancer 20 starts to move from the default position, the position of the balancer 20 can be determined by combining the distance that the balancer 20 has moved. Specifically, the displacement detector 80 can output a regular pulse signal according to the number of times the identification member 70 passes through the displacement detector 80. The balance controller receives the pulse signal output by the displacement detector 80 and processes it to obtain the moving distance of the balancer 20. Then, combined with the initial balance position of the balancer 20, the current position of the balancer 20 can be finally calculated.

[0117] In the embodiments of the present application, multiple (two or more than two) initial equilibrium positions may be provided in the chamber 13. When there are multiple (two or more than two) balancers 20 in the chamber 13, a corresponding balancer 20 stays at each initial equilibrium position. In one embodiment, two initial equilibrium positions are provided in the chamber 13, and the number of balancers 20 is two. When the two balancers 20 do not move, a balancer 20 stays statically at each initial equilibrium position. Preferably, the two initial equilibrium positions are symmetrically arranged at 180 degrees. In this way, when the balancer 20 does not move, the balance body 10 can be kept in balance, and further the balance of the first cavity 200 can be maintained, preventing unnecessary vibrations from being introduced when the first cavity 200 rotates. In other embodiments, the number of initial equilibrium positions may be three or more than three, and the specific positions can be set as needed, which are not specifically limited herein.

[0118] In addition, please refer to Figures 3 to 6 , in some embodiments, the balance assembly 100 may further include a correction member 90 and a correction detection member 110. When the balancer 20 moves in the chamber 13, relative movement occurs between the correction member 90 and the correction detection member 110, and the correction detection member 110 is used to detect the correction member 90 to eliminate the position error of the balancer 20.

[0119] It can be understood that due to the long-term movement of the balancer 20, cumulative errors may occur when the displacement detection member 80 detects the number of turns of the output shaft 2111 of the driving member 211 or the number of times the displacement detection member 80 detects the identification member 70 passing by the displacement detection member 80. When calculating the moving distance of the balancer 20 based on the error-prone number information, the determined position of the balancer 20 will have an error. Therefore, the position error of the balancer 20 can be eliminated by setting the correction member 90 and the correction detection member 110.

[0120] Specifically, when the correction detection member 110 passes by each correction member 90, the information of the correction member 90 detected by it will be transmitted to the balance controller. Further, when the balance controller obtains the information that the balancer 20 has passed the position where the correction member 90 is located, it will set the position where the balancer 20 is located to 0, and can be regarded as the starting point to recalculate the moving distance of the balancer 20, so as to avoid cumulative distance errors caused by the long-term movement of the balancer 20, resulting in the inability to accurately judge the position of the balancer 20. In this embodiment, after the correction detection member 110 passes by each correction member 90, the number of turns of the output shaft 2111 of the driving member 211 detected by the displacement detection member 80 or the number of times the displacement detection member 80 detects the identification member 70 passing by is fed back to the balance controller again from 0 in the form of a pulse signal, and the balance controller will recalculate the moving distance of the balancer 20 and obtain the accurate position information of the balancer 20 in the balance body 10.

[0121] In some embodiments, two calibration members 90 are provided in the chamber 13. The two calibration members 90 are symmetrically arranged at 180 degrees along the radial direction of the balance body 10. The position of each calibration member 90 can correspond to an initial balance position. The calibration member 90 is provided on the inner wall 131 of the chamber 13. The calibration detection member 110 can be one of a light sensor, an ultrasonic sensor, and a Hall sensor. When the calibration detection member 110 passes through different calibration members 90, different pulse signals will be triggered. Thus, it can be determined that the balancer 20 is passing through a certain calibration member 90 according to the pulse signal output by the calibration detection member 110, so as to determine the specific position of the balancer 20 in the chamber 13. In this way, the position of the balancer 20 can be located in the chamber 13. In other embodiments, the number of the calibration members 90 can be set to three, four or more than four. The number and position of the calibration members 90 can be adjusted according to specific situations, and are not limited to the above embodiments.

[0122] It should be noted that the calibration member 90 can correspond to the initial balance position. After the balancer 20 finishes working, the cooperation of the calibration detection member 110 and the calibration member 90 can be used to make the balancer 20 return to the initial balance position, so as to realize the reset of the balancer 20. In addition, the calibration member 90 can be installed on an annular member 91 or the calibration member 90 can be a part of the annular member 91. The tooth part 30 is the tooth part of a toothed ring. In Figure 3 the example, the annular member 91 and the toothed ring are sequentially arranged side by side along the central axis Y of the chamber on the first side wall 1311 of the chamber 13. It can be understood that in other embodiments, the calibration member 90 and / or the tooth part 30 can be directly formed on the first side wall 1311.

[0123] In summary, a balance assembly 100 according to an embodiment of the present application is used for a household appliance 1000. The household appliance 1000 includes a first cavity 200 that can rotate. The balance assembly 100 includes a balance body 10, a balancer 20, and a wire pulling device 40. An annular tooth part 30. An annular chamber 13 is formed in the balance body 10. The balancer 20 is arranged in the chamber 13. The balancer 20 includes a power component 21, and the power component 21 is used to drive the balancer 20 to move in the chamber 13. The wire pulling device 40 is arranged on the balance body 10. The wire pulling device 40 includes a winding mechanism 41 and a wire 42. The wire 42 is wound around the winding mechanism 41. The wire 42 is connected to the balancer 20. The winding mechanism 41 is configured to release or wind the wire 42 when the balancer 20 moves in the chamber 13, so that the wire 42 remains connected to the balancer 20.

[0124] The household appliance 1000 according to the embodiment of the present application includes a first cavity 200, a second cavity 300, and a balance assembly 100. The first cavity 200 is rotatably connected to the second cavity 300. The balance body 10 of the balance assembly 100 is installed on the first cavity 200.

[0125] In the balancing component 100 and the household appliance 100 of the above-described embodiment, when the balancer 20 moves within the chamber 13, the winding mechanism 41 of the wire pulling device 40 can release or wind the wire 42, so that the wire 42 can always maintain a connected state with the balancer 20 to achieve power supply and / or communication, improving the reliability of the power supply and / or communication connection of the balancer 20.

[0126] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0127] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A balancing component, characterized in that, the balancing component includes: a balance body, in which an annular chamber is formed; a balancer, which is arranged in the chamber, and the balancer includes a power component for driving the balancer to move in the chamber; and a wire drawing device, which is arranged on the balance body, and the wire drawing device includes a winding mechanism and a wire. The wire is wound around the winding mechanism, and the wire is connected to the balancer. The winding mechanism is configured to release or wind the wire when the balancer moves in the chamber, so that the wire remains connected to the balancer.

2. The balancing component according to claim 1, characterized in that, the winding mechanism includes a restoring member and a winding member. The winding member is connected to the restoring member, the wire is wound around the winding member, and the restoring member is configured to drive the winding member to rotate to release or wind the wire when the balancer moves in the chamber.

3. The balancing component according to claim 1, characterized in that, the winding mechanism includes a restoring member and a winding member. The winding member is connected to the restoring member, the wire is wound around the winding member, and the restoring member provides a restoring force to the winding member so that the winding member has a force to wind the wire. During the movement of the balancer, the wire is pulled out by the balancer, and then the winding member releases the wire.

4. The balancing component according to claim 3, characterized in that, when the balancer moves in the first direction, the balancer drives one end of the wire to move, so as to drive the winding member to rotate against the restoring force to release the wire. When the balancer moves in the second direction, the restoring member drives the winding member to rotate to wind the wire by relying on the restoring force. The second direction is opposite to the first direction.

5. The balancing component according to claim 3, characterized in that, the restoring member includes at least one of a coil spring and a torsion spring.

6. The balancing component according to any one of claims 2-5, characterized in that, the winding mechanism includes a slip ring, and the slip ring includes a first connection portion and a second connection portion. The first connection portion is electrically connected to the second connection portion, and the second connection portion can rotate relative to the first connection portion. The second connection portion is fixedly connected to the winding member. One end of the wire is connected to the second connection portion, and the other end of the wire is connected to the balancer. The first connection portion is used for electrically connecting to a power source. When the winding member rotates to release or wind the wire, the winding member drives the second connection portion to rotate relative to the first connection portion.

7. The balancing component according to claim 6, characterized in that, the winding member is provided with a receiving hole, and at least part of the slip ring is located in the receiving hole.

8. The balancing component according to any one of claims 2-4, characterized in that, The cable pulling device further includes a housing, which is fixedly connected to the balance body. The restoring member and the winding member are both disposed inside the housing. The housing is formed with a through hole, and the wire passes through the through hole and is connected to the balancer.

9. The balance assembly according to claim 1, wherein, the inner wall of the chamber includes a first side wall and a second side wall arranged radially along the balance body. The first side wall is closer to the central axis of the chamber than the second side wall, and the cable pulling device is mounted on the second side wall.

10. The balance assembly according to claim 1, wherein, the number of the cable pulling devices is two, and the number of the balancers is also two. The two cable pulling devices are respectively connected to the two balancers, and the two cable pulling devices are symmetrically arranged on the balance body.

11. The balance assembly according to claim 1, wherein, the inner wall of the chamber includes a first side wall and a second side wall arranged radially along the balance body. The first side wall is closer to the central axis of the chamber than the second side wall. The power component includes a driving member and a combined gear. The driving member is connected to the combined gear. The first side wall is provided with an annular tooth portion, and the combined gear meshes with the tooth portion. The driving member is configured to drive the combined gear to rotate so as to drive the balancer to move in the chamber.

12. A household appliance, wherein, it includes: a first chamber; a second chamber, the first chamber is rotatably connected to the second chamber; and the balance assembly according to any one of claims 1-11, the balance body is mounted in the first chamber.

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