WO2021135861A1 - 平衡组件及家用电器 - Google Patents
平衡组件及家用电器 Download PDFInfo
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- WO2021135861A1 WO2021135861A1 PCT/CN2020/134632 CN2020134632W WO2021135861A1 WO 2021135861 A1 WO2021135861 A1 WO 2021135861A1 CN 2020134632 W CN2020134632 W CN 2020134632W WO 2021135861 A1 WO2021135861 A1 WO 2021135861A1
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- WIPO (PCT)
- Prior art keywords
- balancer
- cavity
- guide
- balance
- chamber
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
Definitions
- This application relates to the technical field of household appliances, and more specifically, to a balance component and household appliances.
- the cavity is equipped with a balance body with a built-in balancer.
- the eccentricity of the cavity is balanced by the balancer's own gravity and centripetal force, so that the vibration and noise of the household appliance are reduced.
- the balancer includes driving wheels.
- the movement of the balancer is driven by the friction between the driving wheel and the balance body.
- this method is not easy to control the friction of the driving wheel, and it is easy to cause the balancer to be unable to move due to excessive friction, or the balancer to slip if the friction is too small, and the normal movement of the balancer cannot be guaranteed.
- the embodiment of the present application provides a balance component and a household appliance.
- a balance assembly is used in a household appliance.
- the balance assembly includes a balance body and a balancer.
- the balance body is used to be installed in a cavity of the household appliance, and the balance body is provided with a cavity.
- the balancer includes a bearing structure and a drive assembly, the drive assembly is provided on the bearing structure, the drive assembly is used to drive the balancer to move in the cavity, the bearing structure and the cavity.
- the inner wall of the chamber contacts and is used to move along the inner wall of the chamber during the movement of the balancer to bear the centrifugal force that the balancer receives when moving in the chamber.
- the bearing structure can bear the centrifugal force generated by the high-speed rotation of the cavity, avoiding the centrifugal force received by the balancer from increasing the friction between the drive assembly and the balance body, and the setting of the bearing structure can make the drive assembly easier Drive the balancer to move in the chamber.
- the carrying structure includes a carrying plate and a rolling element, the rolling element is rotatably connected to the carrying plate and is in contact with the inner wall of the chamber, and the driving assembly is installed on the carrying plate on.
- the rolling element includes a bearing and a rotating shaft, the rotating shaft is fixedly connected to the bearing plate, the rotating shaft passes through the bearing, and the bearing is sleeved on the rotating shaft.
- the driving assembly includes a driving part and a rotating part, the driving part is connected to the rotating part, and the driving part is used to drive the rotating part to rotate to drive the balancer in the cavity. Move indoors.
- a ring-shaped connecting member is provided in the chamber, and a tooth portion is provided on the inner side of the connecting member, and the rotating member includes a gear, and the gear meshes with the tooth portion.
- the driving assembly includes a speed regulating structure, and the speed regulating structure connects the driving part and the rotating part.
- the speed regulation structure includes a first-stage transmission structure and a second-stage transmission structure, the first-stage transmission structure is connected to the output shaft of the driving member, and the second-stage transmission structure is connected to the The first-stage transmission structure and the rotating part are described.
- the balancer includes a bracket and a first guiding structure, the first guiding structure and the driving assembly are mounted on the bracket, a second guiding structure is provided in the chamber, and the first guiding structure Two guiding structures are connected with the first guiding structure to guide the movement of the balancer.
- the first guide structure includes a guide member
- the guide member includes a guide wheel
- the second guide structure includes a guide rail
- the guide wheel can be movably connected to the guide rail
- the guide includes two guide wheels and a connecting rod, the two guide wheels are connected by the connecting rod, and the guide rail is partially located between the two guide wheels. space.
- the guide wheel elastically abuts the guide rail.
- the balance assembly includes an identification member and a displacement detection member, and the balance assembly is configured to drive the balancer to move in the chamber by the drive assembly, the identification member Relative to the displacement detecting element, the displacement detecting element is used to detect the number of times the identification element passes the displacement detecting element, the number of times the identification element passes the displacement detecting element and the position of the balancer Related.
- the balance assembly includes a correction element and a correction detection element, and the balance assembly is configured to move the correction element and the correction detection element relative to each other when the balancer moves,
- the correction detection element is used to detect the correction element to eliminate the position error of the balancer.
- a household appliance includes a main body, a cavity, and the balance assembly according to any one of the above embodiments.
- the cavity is rotatably connected to the main body, and the balance is installed in the cavity.
- the bearing structure can bear the centrifugal force generated by the high-speed rotation of the cavity, avoiding the centrifugal force received by the balancer from increasing the friction between the drive assembly and the balance body, and the setting of the bearing structure can make the drive assembly easier Drive the balancer to move in the chamber.
- Fig. 1 is a three-dimensional schematic diagram of a household appliance according to an embodiment of the present application
- FIG. 2 is a partial exploded schematic diagram of a cavity and a balance body according to an embodiment of the present application
- FIG. 3 is another partial exploded schematic diagram of the cavity and the balance body of the embodiment of the present application.
- Fig. 4 is an exploded schematic diagram of the balance assembly of the embodiment of the present application.
- FIG. 5 is another exploded schematic diagram of the balance assembly of the embodiment of the present application.
- Fig. 6 is a schematic diagram of modules of a household appliance according to an embodiment of the present application.
- FIG. 7 is a schematic diagram of another module of the household appliance according to the embodiment of the present application.
- FIG. 8 is an exploded schematic diagram of the balance body of the embodiment of the present application.
- Fig. 9 is a three-dimensional schematic diagram of a balancer according to an embodiment of the present application.
- FIG. 10 is another three-dimensional schematic diagram of the balancer of the embodiment of the present application.
- FIG. 11 is a schematic diagram of a part of the structure of a balance assembly according to an embodiment of the present application.
- FIG. 12 is a schematic diagram of another part of the structure of the balance assembly according to the embodiment of the present application.
- FIG. 13 is a schematic structural diagram of a speed control structure of an embodiment of the present application.
- FIG. 14 is another exploded schematic diagram of the balance assembly of the embodiment of the present application.
- FIG. 15 is a schematic structural diagram of a bearing structure according to an embodiment of the present application.
- FIG. 16 is another structural schematic diagram of the bearing structure of the embodiment of the present application.
- FIG. 17 is a schematic structural diagram of a first guiding structure of an embodiment of the present application.
- FIG. 18 is a schematic diagram of the internal structure of the first guiding structure of the embodiment of the present application.
- FIG. 19 is a schematic internal diagram of another structure of the first guiding structure of the embodiment of the present application.
- 20 is a schematic diagram of another part of the structure of the balance assembly of the embodiment of the present application.
- 21 and 22 are schematic diagrams of detection of a displacement detecting member according to an embodiment of the present application.
- Fig. 23 is a schematic diagram of the balancer in the initial position of the embodiment of the present application.
- FIG. 24 is a schematic diagram of the distribution of calibration components according to an embodiment of the present application.
- Balance assembly 100 body 200, water holding cavity 210, cavity 300 (washing cavity 300), first end 302, second end 304, main controller 400, vibration damping structure 500, mounting plate 600, fixing frame 700 , The shaft 800, the second wireless charging component 900, and the transmitting coil 910;
- first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, “multiple” means two or more than two, unless otherwise specifically defined.
- connection should be understood in a broad sense, unless otherwise clearly specified and limited.
- it can be a fixed connection or a detachable connection.
- It can be a mechanical connection or an electrical connection.
- It can be directly connected, or indirectly connected through an intermediate medium, and it can be a communication between two elements or an interaction relationship between two elements.
- the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.
- the balance assembly 100 is used in a household appliance 1000.
- the household appliance 1000 includes a body 200, a cavity 300, and a balance assembly 100.
- the cavity 300 is rotatably connected to the body 200, and a load can be placed in the cavity 300.
- the balance assembly 100 includes a balance body 10 and a balancer 20.
- the balance body 10 is installed in the cavity 300, the balance body 10 is provided with a cavity 12, and the balancer 20 can move in the cavity 12 of the balance body 10.
- the household appliance 1000 may be a laundry treatment appliance such as a washing machine and a clothes dryer, or other household appliances having a rotatable cavity 300.
- the home appliance 1000 includes a main controller 400
- the balancer 20 includes a controller 22, and the main controller 400 can communicate with the controller 22.
- the main controller may generate a movement instruction according to the vibration signal of the home appliance 1000 (such as the vibration signal of the main body 200), and the controller 22 controls the balancer 20 to move a certain distance according to the received movement instruction.
- the main controller 400 and the controller 22 may be connected and communicated in a wired manner, or may be connected and communicated in a wireless manner.
- the cavity 300 is rotatably provided in the main body 200. It can be understood that in other embodiments, the cavity 300 and the main body 200 can be connected in other ways, which are not specifically limited herein.
- the household appliance 1000 is a washing machine, which can be used to wash clothes, and the clothes are placed in the cavity 300.
- the cavity 300 is a washing cavity 300 (inner barrel).
- the body 200 may include a shell and a water holding cavity 210 (outer barrel).
- the water holding cavity 210 and the washing cavity 300 are both cylindrical, and the washing cavity 300 is rotatable
- the ground is arranged in the water-containing cavity 210, and the water-containing cavity 210 and the washing cavity 300 can be arranged in the housing.
- the washing cavity 300 may have a transmission axis X arranged horizontally, obliquely or vertically.
- the transmission axis X of the washing cavity 300 is parallel to the horizontal plane, inclined to the horizontal plane, or perpendicular to the horizontal plane.
- one or more balance bodies 10 can be arranged at any position of the washing cavity 300, and the balance body 10 rotates with the rotation of the washing cavity 300.
- the center axis of the balance body 10 is parallel to or coincides with the transmission axis X of the washing cavity 300. That is, the balance body 10 can be arranged coaxially with the washing cavity 300 or eccentrically arranged relative to the washing cavity 300.
- the balance body 10 may also be arranged on the washing cavity 300 in a spiral shape.
- the water chamber 210 can be connected to the mounting plate 600 through the vibration damping structure 500, and the mounting plate 600 can be fixed on the bottom plate of the housing, or the housing Of the bottom plate.
- the vibration damping structure 500 may use structural components such as springs and hydraulic pressure to reduce the transmission of vibration.
- the household appliance 1000 is a washing machine.
- the cavity 300 includes a first end 302 and a second end 304 along the transmission axis X.
- the first end 302 and the second end 304 are respectively connected with a balance body 10.
- At least one balancer 20 is provided in the chamber 12 of each balance body 10, for example, one or two or more than two balancers.
- the chamber 12 of the balance body 10 is provided with two balancers 20, and the initial positions 121 of the two balancers 20 are symmetrically arranged. This arrangement allows the cavity 300 to achieve balance under no-load conditions.
- the second end 304 of the cavity 300 is fixedly connected to the fixing frame 700, the fixing frame 700 can be connected to the rotating shaft 800, and the power device (not shown) of the household appliance 1000 can be connected to the rotating shaft 800 to drive the cavity 300 to rotate.
- the first end 302 of the cavity 300 is the front end
- the second end 304 is the back end.
- the front end may refer to the end facing the user.
- the first end 302 or the second end 304 of the cavity 300 is provided with a balance body 10, or a balance body 10 is provided between the first end 302 and the second end 304.
- the fixing frame 700 may be a tripod.
- the balance body 10 has a 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 have other shapes, such as a plate shape, which is not specifically limited herein.
- the balance body 10 includes a bearing ring 14, an end cover 16, an annular connecting member 18 and a ring seat 11. A cavity 12 is formed in the ring seat 11, the end cover 16 is connected to the ring seat 11 and seals the cavity 12, and the carrier ring 14 is installed on the inner wall 122 of the cavity 12.
- the number of the connecting pieces 18 can be two, which are installed on both sides of the carrying ring 14 respectively. Since the balance body 10 is annular, the balancer 20 can move circularly in the cavity 12 of the balance body 10.
- the balancer 20 includes a bracket 24, a control compartment 26, a driving assembly 28, a bearing structure 21, and a first guide structure 23.
- the control compartment 26, the driving assembly 28 and the first guiding structure 23 are installed on the bracket 24, and the driving assembly 28 is arranged on the supporting structure 21.
- a control board is built in the control compartment 26, and the controller 22 of the balancer 20 is arranged on the control board.
- the driving component 28 is connected to the control board, and the controller 22 on the control board can control the driving component 28 to drive the balancer 20 to move in the chamber 12.
- the supporting structure 21 is in contact with the inner wall 122 of the chamber 12 and is used to move along the inner wall 122 of the chamber 12 during the movement of the balancer 20 to bear the centrifugal force that the balancer 20 receives when it moves in the chamber 12.
- the bearing structure 21 can bear the centrifugal force generated by the high-speed rotation of the cavity 300, avoiding that the centrifugal force received by the balancer 20 increases the friction between the drive assembly 28 and the balance body 10, and the arrangement of the bearing structure 21 can make the drive assembly 28 more powerful. It is easy to drive the balancer 20 to move in the chamber 12.
- the carrying structure 21 is made of metal material as a whole, is firm and not easily deformed, can stably carry the entire driving assembly 28, and ensure the normal operation of the driving assembly 28.
- the bearing structure 21 moves along the inner wall 122 of the chamber 12, and bears the centrifugal force of the balancer 20 under the circular movement of the cavity 300 through contact with the inner wall 122 of the chamber 12.
- the bearing structure 21 can ensure that the balancer 20 can move normally even when the cavity 300 rotates at a high speed greater than or equal to 800 rpm.
- the bracket 24 can be made of a metal material, such as a thick stainless steel plate, and is used to fix the control cabin 26 and other components of the balancer 20. In this way, it can be avoided that the components of the balancer 20 are scattered during the operation of the balancer 20, and the bracket 24 will not be deformed during the entire operation of the balancer 20.
- the driving assembly 28 includes a driving member 282 and a rotating member 284, and the driving member 282 is connected to the rotating member 284.
- the driving member 282 is used to drive the rotating member 284 to rotate to drive the balancer 20 to move in the chamber 12. In this way, the balancer 20 is driven to move by the driving assembly 28, and the position of the balancer 20 in the cavity 12 can be changed to reduce the vibration of the household appliance 1000.
- the driving member 282 includes a motor, and the motor is used to drive the rotating member 284 to rotate, thereby driving the balancer 20 to move in the chamber 12, so that the balancer 20 can quickly reduce or offset the eccentric mass of the cavity 300, thereby reducing household The vibration of the electrical appliance 1000.
- the balancer 20 can be controlled to move or stop moving in a clockwise or counterclockwise direction.
- the cavity 12 is provided with a ring-shaped connecting member 18, and the inner side of the connecting member 18 is provided with teeth.
- the rotating member 284 includes a gear 2842, and the gear 2842 meshes with the teeth.
- the cavity 12 includes an inner wall 122, the inner wall 122 is provided with a bearing ring 14, and two sides of the bearing ring 14 are provided with connecting pieces 18, and the modulus of the teeth of the connecting piece 18 is 1 or 1.25.
- the carrier ring 14 may be omitted, and the connecting member 18 may be directly provided on the inner wall 122 of the chamber 12.
- the driving assembly 28 includes a speed regulating structure 286 which is connected to the driving member 282 and the rotating member 284. In this way, through the speed regulating structure 286, the moving speed of the balancer 20 can be further controlled.
- the speed regulating structure 286 includes a first-stage transmission structure 2862 and a second-stage transmission structure 2864.
- the first-stage transmission structure 2862 is connected to the output shaft 2822 of the driving member 282 (the output shaft 2822 of the motor).
- the second-stage transmission structure 2864 connects the first-stage transmission structure 2862 and the rotating member 284. In this way, the reduction ratio of the balancer 20 can be realized through a two-stage transmission structure.
- the speed regulating structure 286 may include a box body 2866 and a first-stage transmission structure 2862 and a second-stage transmission structure 2864 located in the box body 2866.
- the box body 2866 can be made of a firm and non-deformable thick steel plate, and the box body 2866 is a rectangular parallelepiped as a whole. In other embodiments, the box 2866 may also be in other shapes such as a cube, a prism, or a cylinder.
- the inner wall 122 of the chamber 12 is provided with two connecting members 18.
- the rotating member 284 includes two gears 2842.
- the two gears 2842 are respectively located on both sides of the box 2866 and are connected to the two connecting members.
- the teeth of 18 mesh.
- the speed adjusting structure 286 can adjust the speed at which the driving member 282 drives the rotating member 284 to rotate, thereby adjusting the moving speed of the balancer 20.
- the first-stage transmission structure 2862 includes a worm 28622 and a worm wheel 28624.
- the second-stage transmission structure 2864 includes a first gear 28642 and a second gear 28644.
- the worm 28622 connects the output shaft 2822 of the driving member 282 with the worm wheel 28624, the worm wheel 28624 and the first gear 28642 are fixedly connected, the first gear 28642 and the second gear 28644 are meshed, and the second gear 28644 is connected with the rotating member 284.
- the two opposite sides of the second gear 28644 are connected with a transmission shaft 2868, and the transmission shaft 2868 is connected with the two gears 2842 of the rotating member 284 to realize synchronous rotation.
- the driving member 282 drives the worm 28622 to rotate through the output shaft 2822, and then the worm 28622 drives the worm gear 28624 to rotate to realize the first-stage transmission, and then the worm 28624 drives the first gear 28642, and then the second gear 28642.
- a gear 28642 drives the second gear 28644 to realize the second-stage transmission.
- the second gear 28644 drives the two gears 2842 of the rotating member 284 to rotate synchronously through the transmission shaft 2868, thereby driving the balancer 20 to move in the chamber 12.
- the transmission shaft 2868 may be a cylindrical shaft or a non-cylindrical shaft. In the illustrated embodiment, the transmission shaft 2868 is a D-shaped shaft.
- the modulus of the first gear 28642 and the second gear 28644 are both 0.5, and the gear ratio is 1:3.
- the worm wheel 28624 and the worm 28622 can also play a role of limiting.
- the balancer 20 can be stably maintained in the chamber 12.
- a two-stage transmission can achieve a reduction ratio of the balancer 20 to 75 or more.
- the bearing structure 21 includes a bearing plate 212 and rolling elements 214.
- the rolling element 214 is rotatably connected to the supporting plate 212 and is in contact with the inner wall 122 of the cavity 12, and the driving assembly 28 is installed on the supporting plate 212.
- the rolling element 214 includes a bearing 2142 and a rotating shaft 2144.
- the rotating shaft 2144 is fixedly connected to the carrying plate 212, and the fixed connection method can be metal welding, adhesive bonding, screw connection by screw or buckle connection, which is not specifically limited here.
- a bearing 2142 is passed through the rotating shaft 2144, and the bearing 2142 is sleeved on the rotating shaft 2144.
- mounting holes 2122 are also provided on the bearing plate 212, and the mounting holes 2122 are used for mounting and connecting the bearing structure 21 and the driving assembly 28.
- the bearing structure 21 can be installed to the box 2866 by fasteners, so that the driving assembly 28 is arranged on the bearing structure 21.
- the mounting hole 2122 can be circular, rectangular, oval, etc.
- the bearing structure 21 may be an arc-shaped block with a certain curvature, for example, an arc-shaped block made of smooth materials such as POM.
- the driving member 282 drives the rotating member 284 to drive the balancer 20 to move, the arc-shaped block can slide in the cavity 12.
- a second guide structure 13 is provided in the cavity 12.
- the second guiding structure 13 is connected to the first guiding structure 23 to guide the movement of the balancer 20.
- the balancer 20 can move stably in the chamber 12 when the balancer 20 moves at a high speed, so as to prevent the balancer 20 from being separated from the balance body 10.
- the first guide structure 23 and the second guide structure 13 are elastically connected to prevent the balancer 20 from shaking during the movement.
- the first guide structure 23 and the second guide structure 13 cooperate with each other to guide the movement of the balancer 20 together, so that the balancer 20 can maintain stable movement at any rotation speed.
- the number of the first guide structure 23 may be two, and the two first guide structures 23 are installed at both ends of the balancer 20.
- the first guide structure 23 can be installed at both ends of the bracket 24 through a connecting plate. In other embodiments, the number of first guiding structures 23 may be other, which is not specifically limited here.
- the first guide structure 23 includes a guide member 232
- the guide member 232 includes a guide wheel 2322
- the second guide structure 13 includes a guide rail 132
- the guide wheel 2322 can be movably connected to the guide rail 132. In this way, it is beneficial to reduce the friction between the first guide structure 23 and the second guide structure 13 when the balancer 20 moves.
- the guide wheel 2322 may be slidably connected with the side surface of the guide rail 132, or connected in a rolling manner.
- the guide wheel 2322 is a roller, and the shape can be a circle.
- the guide wheel 2322 with a smooth surface can roll on the guide rail 132. In this way, during the movement of the balancer 20, the friction force between the first guide structure 23 and the second guide structure 13 is less, which reduces the resistance when the balancer 20 moves, which is beneficial to reduce the power of the balancer 20.
- each first guide structure 23 includes two guide members 232, and correspondingly, the number of guide rails 132 is two.
- each first guide structure 23 includes one guide 232, and correspondingly, the number of guide rails 132 is one.
- the guide 232 includes two guide wheels 2322 and a connecting rod 2324.
- the two guide wheels 2322 are connected by the connecting rod 2324, and the guide rail 132 is partially located in the space between the two guide wheels 2322. In this way, the two guide wheels 2322 of the guide 232 and the guide rail 132 can be clamped to further ensure the stable movement of the balancer 20.
- the guide rail 132 includes two opposite sides, and the cross section of the guide rail 132 is substantially trapezoidal.
- the two guide wheels 2322 are connected by a connecting rod 2324 to form a guide 232 with an H-shaped shape.
- the guide wheel 2322 is slidably or rollingly connected to the side surface of the guide rail 132.
- the H-shaped guide 232 can clamp the guide rail 132 to further ensure the stable movement of the balancer 20.
- the guide wheels 2322 can roll on the guide rail 132, and the two guide wheels 2322 can clamp the guide rail 132.
- the first guide structure 23 and the second guide structure 13 can be connected to each other by embedding and meshing, and can also play a guiding role. The other embodiments are not limited here.
- the two guide wheels 2322 can be rotatably connected with the connecting rod 2324, for example, connected by a bearing.
- the two guide wheels 2322 can also be fixedly connected with the connecting rod 2324.
- the fixed connection method can be metal welding, screw connection or snap connection, which is not specifically limited here.
- the two guide wheels 2322 and the connecting rod 2324 are fixedly connected, and the two guide wheels 2322 and the connecting rod 2324 rotate together.
- the first guiding structure 23 further includes a connecting frame 234 and a rotating shaft 236 fixed to the connecting frame 234.
- the rotating shaft 236 is fixed.
- the rotating shaft 236 passes through two guide wheels 2322 and a connecting rod 2324.
- the two guide wheels 2322 and the connecting rod 2324 can rotate around the rotating shaft 236 together, that is, the guide 232 rotates around the rotating shaft 236.
- the guide wheel 2322 and the guide rail 132 elastically abut against each other.
- the guide rail 132 is partially located in the space between the two guide wheels 2322. This certain space enables the guide wheel 2322 and the guide rail 132 to have the possibility of elastic abutment, which can prevent the balancer 20 from shaking during the movement and ensure Stable movement of the balancer 20.
- the force between the guide member 232 and the guide rail 132 is too large, the force generated by the elastic abutment between the guide wheel 2322 of the guide member 232 and the guide rail 132 causes the guide wheel 2322 to move away from the guide rail 132.
- the force between the guide rails 132 is buffered. In this way, the force between the first guide structure 23 and the second guide structure 13 can be reduced, and the balancer 20 can be prevented from shaking during the movement.
- the first guiding structure 23 includes a base 238 and a connecting frame 234.
- the connecting frame 234 can be elastically movably connected to the base 238, and the guide 232 is installed on the connecting frame 234.
- the base 238 can be elastically movably connected by the connecting frame 234 to realize the elastic abutment between the guide wheel 2322 and the guide rail 132, so that the balancer 20 can move stably.
- the base 238 is provided with an elastic member 231, the elastic member 231 is connected to the connecting frame 234, and the elastic member 231 is used to provide a force to the connecting frame 234 to make the guide wheel 2322 and the guide rail 132 elastically abut.
- the force provided by the elastic member 231 enables the guide wheel 2322 and the guide rail 132 to elastically abut, thereby ensuring that the balancer 20 can move stably at any rotation speed.
- each first guiding structure 23 includes two elastic members 231 and two connecting columns 233, and the elastic members 231 and the connecting columns 233 are connected in a one-to-one correspondence.
- the first guiding structure 23 includes two elastic members 231, so that the base 238 can bear greater force.
- the number of the elastic members 231 of the first guide structure 23 may be one, three, or other numbers, which is not specifically limited here.
- the number of the connecting posts 233 is the same as the number of the elastic members 231.
- the elastic member 231 may be a spring, such as a coil spring, a leaf spring, a torsion bar spring, a gas spring or a rubber spring, etc., which is not specifically limited herein.
- the balance assembly 100 further includes a first wireless charging assembly 30 and an energy storage device 40 installed in a cavity 300 of the household appliance 1000, and the household appliance 1000 includes a second wireless charging assembly 900.
- the first wireless charging component 30 is connected to the energy storage device 40.
- the first wireless charging component 30 is used to receive the charging energy wirelessly transmitted by the second wireless charging component 900 and use the charging energy to charge the energy storage device 40.
- the energy storage device 40 is located outside the balancer 20, the second guide structure 13 provided on the inner wall 122 of the chamber 12 is conductive and electrically connected to the energy storage device 40, and the first guide structure 23 of the balancer 20 is also conductive.
- the energy storage device 40 supplies power to the balancer 20 through the conductive first guide structure 23 and the second guide structure 13. It can be understood that the energy storage device 40 is located outside the balancer 20, which can reduce the weight of the balancer 20 itself, making the balancer 20 easier to be driven. Further, in the case of multiple balancers 20, multiple balancers 20 The energy storage device 40 can be shared, and the balance assembly 100 can form a unified power supply with low cost.
- the first wireless charging assembly 30 includes a receiving coil 32
- the second wireless charging assembly 900 includes a transmitting coil 910
- the receiving coil 32 and the transmitting coil 910 are arranged opposite to each other.
- the transmitting coil 910 can transmit charging energy to the receiving coil 32
- the receiving coil 32 uses the received charging energy to charge the energy storage device 40.
- the energy storage device 40 is electrically connected to the second guiding structure 13, so that the balancer 20 obtains electricity from the energy storage device 40 through the second guiding structure 13.
- the receiving coil 32 can be installed on the fixing frame 700 of the cavity 300, and the transmitting coil 910 can be installed on one end of the water containing cavity 210, and the receiving coil 32 and the transmitting coil 910 are spaced apart.
- the central axes of the receiving coil 32 and the transmitting coil 910 are collinear with the transmission axis X of the cavity 300. In this way, when the cavity 300 rotates, the power transmission efficiency of the receiving coil 32 and the transmitting coil 910 is less affected.
- the first guide structure 23 includes two conductive members 232 and two rotating shafts 236, and the second guide structure 13 includes two conductive guide rails 132.
- the guide 232 is sleeved with a rotating shaft 236, and the guide 232 and the guide rail 132 are connected in a one-to-one correspondence.
- the two guides 232 are respectively electrically connected to the control board through a rotating shaft 236 sleeved thereon.
- the first guiding structure 23 takes power from the energy storage device 40 through the second guiding structure 13 and transmits the power to the control board, which can provide power to the load of the balancer 20 (such as the driving member 282).
- the energy storage device 40 may include a rechargeable battery.
- the positive and negative electrodes of the rechargeable battery are respectively connected to the guide rail 132 through a wire 237, the guide 132 is connected to the guide 232, the guide 232 is connected to the rotating shaft 236, and the rotating shaft 236 is connected to the control board through the wire 237 .
- the electric energy of the battery is transmitted to the balancer 20 by the two guide rails 132. Since the two guides 232 are respectively connected to the two guide rails 132, according to the principle of metal conductivity, the guide 232 can take electricity from the battery through the guide rail 132.
- the rotating shaft 236 may be a copper shaft, and the guide 232 and the guide rail 132 may be made of copper.
- the rotating shaft 236, the guide 232, and the guide rail 132 can also be made of other conductive materials, which are not specifically limited here.
- the first guiding structure 23 includes a base 238, two elastic members 231, two connecting frames 234 and two guiding members 232, and the two elastic members 231 are connected to the base 238 and respectively connected to the two connecting frames 234.
- the two guides 232 are respectively installed on the two connecting frames 234.
- the rotating shaft 236 of the guide 232 is fixedly connected to the connecting frame 234.
- a mounting slot 2342 is provided in the two connecting frames 234, and the mounting slot 2342 is used for the wire 237 connecting the rotating shaft 236 and the control board to pass through.
- the connecting frame 234 under the action of the elastic member 231, makes the two guide members 232 tightly connected with the two guide rails 132 respectively. In this way, the risk of poor contact between the guide 232 and the guide rail 132 due to assembly errors and manufacturing errors can be avoided.
- the balancer 20 further includes a first wireless charging component 25 and an energy storage device 27, the energy storage device 27 is connected to the first wireless charging component 25, and the household appliance 1000 includes a second wireless charging component 900.
- the first wireless charging component 25 is used to receive the charging energy wirelessly transmitted by the second wireless charging component 900 of the household appliance 1000, and use the charging energy to charge the energy storage device 27.
- the first wireless charging component 25 of the balancer 20 can receive charging energy via wireless transmission and charge the energy storage device 27, which can avoid the use of brushes to achieve electrical transmission, thereby improving the balance of the body 10 Tightness and reliability of power transmission.
- the balancer 20 itself is equipped with the first wireless charging assembly 25 and the energy storage device 27, so that the balancer 20 can form an independent power supply, and is not easily affected by other factors and cut off.
- the second wireless charging assembly 900 is provided in the main body 200, and the main controller 400 is connected to the second wireless charging assembly 900 to control the second wireless charging assembly 900 to emit charging energy.
- the main controller 400 controls the second wireless charging component 900 to transmit an activation signal, and the first wireless charging component 25 sends the charging signal to the second wireless charging component 900 after receiving the activation signal.
- the second wireless charging component 900 receives the charging signal and then transmits charging energy, and the first wireless charging component 25 uses the received charging energy to charge the energy storage device 27. In this way, the precise positioning of wireless charging is realized, and the problem of damage caused by the second wireless charging component 900 in a continuous operation state where no receiving end receives charging energy can be avoided.
- the energy storage device 27 includes a rechargeable battery.
- the balancer 20 includes a battery compartment 29, the battery compartment 29 is installed on the bracket 24, and the battery is accommodated in the battery compartment 29.
- the first wireless charging assembly 25 includes a first coil 252 installed on the outer surface of the battery compartment 29 and connected to the battery.
- the second wireless charging assembly 900 includes a second coil (not shown).
- the first coil 252 can move with the movement of the balancer 20, and the position of the second coil is fixed. Therefore, the planes where the first coil 252 and the second coil are located are arranged opposite to each other.
- the first coil 252 and the second coil may be electromagnetic coils.
- the second coil can emit electromagnetic wave energy, and the emitted electromagnetic wave energy can provide electric energy for the first coil 252, and the first coil 252 can send a pulse signal after receiving the electromagnetic wave energy emitted by the second coil. Therefore, the second wireless charging assembly 900 emits an activation signal, which can be that the second coil of the second wireless charging assembly 900 emits electromagnetic wave energy intermittently (that is, the transmitting power is low) or continuously emits electromagnetic wave energy for a preset period of time. The duration is greater than or equal to the duration of one movement of the balancer 20.
- the first wireless charging component 25 sends a charging signal, which may be the first coil 252 of the first wireless charging component 25 sending a pulse signal.
- the second wireless charging component 900 emits charging energy, which may be that the second coil of the second wireless charging component 900 continuously emits electromagnetic wave energy (that is, the transmission power is higher).
- the balance assembly 100 includes an identification member 50 and a displacement detection member 60
- the balance assembly 100 is configured to drive the assembly 28 to drive the balancer 20 to move in the chamber 12, the identification member 50 and the displacement detection member 60 occur
- the displacement detecting member 60 is used to detect the number of times the identification member 50 passes the displacement detecting member 60
- the number of times the identifying member 50 passes the displacement detecting member 60 is related to the position of the balancer 20.
- the displacement detecting member 60 can detect the number of times the identification member 50 passes the displacement detecting member 60, and then the movement distance of the balancer 20 can be obtained, so that the position of the balancer 20 can be determined.
- the identification member 50 and the displacement detecting member 60 move relative to each other and pass through the displacement detecting member 60, and the identifying member 50 passes through the displacement detecting member 60.
- the number of times 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 that the identification member 50 passes the displacement detecting member 60, and combined with the initial position 121 of the balancer 20, the position of the balancer 20 can be determined.
- the initial position 121 may refer to the position of the balancer 20 before the movement in the chamber 12 or a certain position that can be determined during the movement of the balancer 20.
- the rotating member 284 is provided with an identification member 50, or the inner wall 122 of the chamber 12 is provided with an identification member 50.
- the rotating member 284 is provided with an identification member 50.
- the rotating member 284 includes a gear 2842.
- the chamber 12 includes an inner wall 122, and the inner wall 122 is provided with a connector 18.
- the gear 2842 meshes with the teeth of the connecting member 18.
- the identification member 50 is a tooth of the gear 2842. In this way, the teeth of the gear 2842 can be used as the identification member 50, and the identification member 50 does not need to be separately provided.
- the identification member 50 may also be a tooth of the tooth portion of the connecting member 18.
- the teeth of the gear 2842 or the connecting member 18 have grooves between the teeth, and the teeth and the grooves are evenly staggered.
- the gear 2842 meshes with the teeth of the connecting member 18 to rotate.
- the balancer 20 can be driven to move relative to the connecting member 18.
- the teeth of the gear 2842 or the teeth of the connecting member 18 may serve as the identification member 50, and correspondingly, the displacement detecting member 60 may be installed on the balancer 20.
- the displacement detecting member 60 includes a detecting surface, and the detecting surface faces the identification member 50.
- the teeth of the gear 2842 are used as the identifying member 50, that is, the rotating member 284 is provided with the identifying member 50.
- the teeth of the tooth portion of the connecting member 18 provided on the inner wall 122 are used as the identification member 50, that is, the inner wall 122 of the cavity 12 is provided with the identification member 50.
- the identification member 50 may be disposed at a position other than the inner wall 122 in the cavity 12.
- the displacement detecting member 60 may be installed on the balancer 20 at a position facing the tooth of the gear 2842.
- the displacement detecting member 60 is relatively immobile.
- the identification member 50 is the tooth of the tooth of the connecting member 18
- the displacement detecting member 60 can be installed on the balancer 20 at a position facing the tooth of the connecting member 18.
- the gear 2842 rotates, the balancer 20 moves and drives the displacement.
- the detecting member 60 moves relative to the connecting member 18.
- the teeth of the gear 2842 will continue to pass the displacement detecting member 60. Therefore, the number of times that the teeth of the gear 2842 passes the displacement detecting member 60 can be detected, that is, the number of teeth of the gear 2842 passing the displacement detecting member 60.
- the displacement detecting member 60 includes at least one of an optical sensor, a Hall sensor, and an ultrasonic sensor. In this way, the displacement detecting member 60 is optional, and the cost is also low. Specifically, when the displacement detecting member 60 includes one type of sensor, one of an optical sensor, a Hall sensor, and an ultrasonic sensor can be selected. When the displacement detecting member 60 includes multiple types of sensors, two or more of optical sensors, Hall sensors, and ultrasonic sensors can be selected. The data detected by two or more sensors may be averaged as the output data of the displacement detecting element 60, or the data may be calculated with different weights or ratios as the output data of the displacement detecting element 60.
- the identification member 50 is a tooth 28422 of the gear 2842
- the displacement detecting member 60 is an optical sensor.
- the light sensor can transmit and receive light signals. Due to the different distances between the teeth 28422 and the groove 28424 of the gear 2842 and the optical sensor, the intensity of the light signal reflected by the tooth 28422 received by the optical sensor is different from the intensity of the optical signal reflected by the groove 28424.
- a regular pulse signal can be obtained.
- the number of pulses is the number of teeth rotated by the gear 2842, from which the movement distance of the balancer 20 can be obtained, and combined with the initial position 121 of the balancer 20, the position of the balancer 20 can be obtained.
- the light sensor may be an infrared sensor. The principle of the ultrasonic sensor is similar to that of the optical sensor, so I will not repeat it here.
- the identification member 50 is a tooth 28422 of the gear 2842
- the displacement detecting member 60 is a Hall sensor.
- the teeth 28422 and the groove 28424 affect the direction of the magnetic field lines of the Hall sensor, thereby changing the density of the magnetic field lines passing through the Hall sensor.
- the Hall sensor will output a regular pulse signal.
- the pulse signal the number of teeth of the gear 2842 can be calculated. From this, the movement distance of the balancer 20 can be obtained, combined with the initial position of the balancer 20 121 The position of the balancer 20 can be obtained.
- the identification member 50 may be black and white stripes
- the displacement detecting member 60 may be a light sensor.
- the black and white stripes can be arranged on the gear 2842, or on a component rotating coaxially with the gear 2842, or arranged on the inner wall 122 of the chamber 12 to form a ring and arranged concentrically with the connecting member 18.
- the light sensor can be installed on the balance The position on the device 20 is directly opposite to the black and white stripes. Since the black stripes absorb light and the white stripes reflect light, during the movement of the balancer 20, the black and white stripes will continue to pass the light sensor. Therefore, the number of white stripes passing the light sensor can be detected, that is, the number of white stripes passing the light sensor. .
- a regular pulse signal can be obtained, and the number of pulses is the number of white stripes that the balancer 20 rotates through. Since the width of the white stripes and the black stripes are determined, the moving distance of the balancer 20 can be obtained, and the position of the balancer 20 can be obtained by combining with the initial position 121 of the balancer 20.
- the aforementioned identification member 50 may also have other structures.
- the rotating member 284 may be a wheel, the wheel has a plurality of spokes spaced apart, and the identification member 50 may be a spokes of a wheel.
- the displacement detecting member 60 can detect the number of times the spoke passes the displacement detecting member 60.
- the specific detection principle is similar to the above detection principle.
- the chamber 12 is provided with an initial position 121.
- the balancer 20 includes a controller 22 which is electrically connected to the displacement detecting member 60.
- the controller 22 is used to determine the position of the balancer 20 according to the number of times the identification member 50 passes the displacement detecting member 60 and the initial position 121. In this way, it is convenient to determine the position of the balancer 20.
- the initial position 121 of the balancer 20 refers to the default position when the balancer 20 is stationary in the chamber 12.
- the controller 22 records the initial position 121.
- the position of the balancer 20 can be determined by combining the distance moved by the balancer 20.
- the displacement detecting member 60 can output a regular pulse signal according to the number of times the identification member 50 passes the displacement detecting member 60, and the controller 22 receives and processes the pulse signal output by the displacement detecting member 60 to obtain the moving distance of the balancer 20, Combined with the initial position 121 of the balancer 20, the specific position of the balancer 20 can be finally calculated.
- the specific position of the balancer 20 may be sent to the main controller 400 of the home appliance 1000 in a wired or wireless manner.
- a plurality of initial positions 121 may be provided in the cavity 12. In the case that there are multiple balancers 20 in the chamber 12, one balancer 20 stays at each initial position 121. In one embodiment, there are two initial positions 121 in the chamber 12, and the number of balancers 20 is two. When the two balancers 20 are not moving, one balancer 20 stays at each initial position 121 statically. Preferably, the two initial positions 121 are arranged symmetrically. In this way, when the balancer 20 does not move, the balance body 10 can be kept in balance. In other embodiments, the number of initial positions 121 may be one, three, or other numbers, and the specific positions can be set as required, which is not specifically limited here.
- the balance assembly 100 includes a calibration component 70 and a calibration detection component 80.
- the balance assembly 100 is configured such that when the balancer 20 moves, the correcting member 70 and the correcting detecting member 80 move relative to each other, and the correcting detecting member 80 is used to detect the correcting member 70 to eliminate the position error of the balancer 20. In this way, the calculation accuracy of the movement distance of the balancer 20 is improved.
- the controller 22 will set the position of the balancer 20 to a value of 0, which is regarded as the origin and recalculate the movement distance of the balancer 20, so as to avoid the accumulated distance error caused by the long-term movement of the balancer 20 , Resulting in an inability to accurately determine the position of the balancer 20.
- the information about the number of times the displacement detection element 60 has passed to the identification element 50 will be fed back to the controller 22 again from 0 by means of a pulse signal to control
- the moving distance of the balancer 20 to the balancer 20 will be calculated again, and the accurate position information of the balancer 10 where the balancer 20 is located is obtained.
- each calibration element 70 includes a different number of calibration parts.
- the calibration detection element 80 may be one of a light sensor, an ultrasonic sensor, and a Hall sensor.
- the correction detection element 80 will trigger different pulse signals after different numbers of correction parts.
- the number of pulses of the pulse signal is the same as the number of correction parts, so that it can be determined that the balancer 20 is passing through a certain correction element according to the pulse signal output by the correction detection element 80 70 to determine the specific position of the balancer 20 in the chamber 12. In this way, the position of the balancer 20 can be positioned in the chamber 12.
- the inner wall 122 of the cavity 12 is provided with a correcting member 70 every 90 degrees, and the number of correcting parts is one, two, three, and four, respectively.
- the number and position of the correction element 70 and the number of correction parts of the correction element 70 can be adjusted according to specific conditions, and are not limited to the above-mentioned embodiment.
- the principle of the optical sensor, the ultrasonic sensor or the Hall sensor detecting the correcting member 70 is the same as the principle of detecting the marking member 50, and will not be repeated here.
- a balance assembly 200 is used in a household appliance 1000.
- the balance assembly 100 includes a balance body 10 and a balancer 20.
- the balance body 10 is used to be installed in the cavity 300 of the household appliance 1000.
- the balance body 10 is provided with a chamber 12, and the balancer 20 includes a supporting structure 21 and a driving assembly 28, and the driving assembly 28 is provided on the supporting structure 21.
- the driving assembly 28 is used to drive the balancer 20 to move in the chamber 12, and the bearing structure 28 is in contact with the inner wall 122 of the chamber 12 and is used to move along the inner wall 122 of the chamber 12 during the movement of the balancer 20 to assume balance.
- the bearing structure 21 can bear the centrifugal force generated by the high-speed rotation of the cavity 300, avoiding that the centrifugal force received by the balancer 20 increases the friction between the drive assembly 28 and the balance body 10, and the bearing structure
- the arrangement of 21 can make it easier for the driving assembly 28 to drive the balancer 20 to move in the chamber 12.
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Abstract
Description
Claims (20)
- 一种平衡组件,用于家用电器,其特征在于,所述平衡组件包括平衡体和平衡器,所述平衡体用于安装在所述家用电器的腔体,所述平衡体内设有腔室,所述平衡器包括承载结构和驱动组件,所述驱动组件设在所述承载结构上,所述驱动组件用于驱动所述平衡器在所述腔室内移动,所述承载结构与所述腔室的内壁接触并用于在所述平衡器移动的过程中,沿着所述腔室的内壁运动以承担所述平衡器在所述腔室内运动时所受到的离心力作用。
- 根据权利要求1所述的平衡组件,其特征在于,所述承载结构包括承载板和滚动件,所述滚动件能够转动地连接所述承载板并与所述腔室的内壁接触,所述驱动组件安装在所述承载板上。
- 根据权利要求2所述的平衡组件,其特征在于,所述滚动件包括轴承和转轴,所述转轴与所述承载板固定连接,所述转轴穿设所述轴承,所述轴承套设在所述转轴上。
- 根据权利要求1所述的平衡组件,其特征在于,所述驱动组件包括驱动件和转动件,所述驱动件连接所述转动件,所述驱动件用于驱动所述转动件转动以带动所述平衡器在所述腔室内移动。
- 根据权利要求4所述的平衡组件,其特征在于,所述腔室内设有环状的连接件,所述连接件的内侧设有齿部,所述转动件包括齿轮,所述齿轮与所述齿部啮合。
- 根据权利要求4所述的平衡组件,其特征在于,所述驱动组件包括调速结构,所述调速结构连接所述驱动件和所述转动件。
- 根据权利要求6所述的平衡组件,其特征在于,所述调速结构包括第一级传动结构和第二级传动结构,所述第一级传动结构连接所述驱动件的输出轴,所述第二级传动结构连接所述第一级传动结构和所述转动件。
- 根据权利要求1所述的平衡组件,其特征在于,所述平衡器包括支架和第一导向结构,所述第一导向结构和所述驱动组件安装在所述支架,所述腔室内设有第二导向结构,所述第二导向结构与所述第一导向结构连接以导引所述平衡器的移动。
- 根据权利要求8所述的平衡组件,其特征在于,所述第一导向结构包括导向件,所述导向件包括导向轮,所述第二导向结构包括导轨,所述导向轮能够活动地连接所述导轨。
- 根据权利要求9所述的平衡组件,其特征在于,所述导向件包括两个所述导向轮和连接杆,两个所述导向轮通过所述连接杆连接,所述导轨部分地位于两个所述导向轮之间的空间。
- 根据权利要求9所述的平衡组件,其特征在于,所述导向轮与所述导轨弹性抵接。
- 根据权利要求1所述的平衡组件,其特征在于,所述平衡组件包括标识件和位 移检测件,所述平衡组件被配置为在所述驱动组件驱动所述平衡器在所述腔室内移动的情况下,所述标识件与所述位移检测件发生相对运动,所述位移检测件用于检测所述标识件经过所述位移检测件的次数,所述标识件经过所述位移检测件的次数与所述平衡器的位置相关。
- 根据权利要求12所述的平衡组件,其特征在于,所述平衡组件包括校正件和校正检测件,所述平衡组件被配置为在所述平衡器移动的情况下,所述校正件与所述校正检测件发生相对移动,所述校正检测件用于检测所述校正件以消除所述平衡器的位置误差。
- 一种家用电器,其特征在于,包括本体、腔体和权利要求1-13任一项所述的平衡组件,所述腔体能够转动地连接所述本体,所述平衡体安装在所述腔体。
- 根据权利要求14所述的家用电器,其特征在于,所述家用电器还包括主控制器,所述平衡器还包括控制器,所述主控制器与所述控制器通信。
- 根据权利要求15所述的家用电器,其特征在于,所述家用电器还包括第二无线充电组件,所述平衡器包括第一无线充电组件和储能装置,所述第一无线充电组件连接所述储能装置,所述第一无线充电组件用于接收由所述第二无线充电组件无线发射的充电能量,并利用充电能量为所述储能装置充电。
- 根据权利要求16所述的家用电器,其特征在于,所述第一无线充电组件包括接收线圈,所述第二无线充电组件包括发射线圈,所述接收线圈和所述发射线圈间隔相对设置。
- 根据权利要求14所述的家用电器,其特征在于,本体可包括壳体和盛水腔体,所述腔体包括洗涤腔体,所述洗涤腔体可转动地设于所述盛水腔体内,所述盛水腔体和所述洗涤腔体可设置在所述壳体内。
- 根据权利要求18所述的家用电器,其特征在于,所述洗涤腔体设置有传动轴线,所述腔体包括沿所述传动轴线的第一端和第二端,第一端和第二端分别连接所述平衡体。
- 根据权利要求14所述的家用电器,其特征在于,所述家用电器为洗衣机。
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CN201911422168.0A CN113123083B (zh) | 2019-12-31 | 2019-12-31 | 平衡组件及家用电器 |
CN201922500028.2U CN211395022U (zh) | 2019-12-31 | 2019-12-31 | 平衡组件及家用电器 |
CN201911422168.0 | 2019-12-31 | ||
CN201922500028.2 | 2019-12-31 |
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CN211395025U (zh) * | 2019-12-31 | 2020-09-01 | 广东美的白色家电技术创新中心有限公司 | 平衡组件和家用电器 |
CN211395023U (zh) * | 2019-12-31 | 2020-09-01 | 广东美的白色家电技术创新中心有限公司 | 平衡组件和家用电器 |
CN211395022U (zh) * | 2019-12-31 | 2020-09-01 | 广东美的白色家电技术创新中心有限公司 | 平衡组件及家用电器 |
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