CN114737362B

CN114737362B - Counterweight assembly, drum assembly, balance regulating method of drum assembly and drum type washing machine

Info

Publication number: CN114737362B
Application number: CN202210466183.0A
Authority: CN
Inventors: 刘二磊; 杨伟濠; 谢开元
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2023-03-21
Anticipated expiration: 2042-04-29
Also published as: CN114737362A

Abstract

The application provides a counterweight assembly, a drum assembly, a balance regulation method of the drum assembly and a drum type washing machine. The counterweight component comprises a counterweight part which is arranged on the part to be counterweight; the balance weight is characterized in that a cavity is arranged in the balance weight, a driving piece and a fluid material are arranged in the cavity, and the fluid material can flow in the cavity under the action of the driving piece. This application sets up the cavity structure in the counterweight, adopts driving piece and fluid material in the cavity, when driving piece drive fluid material flows, can change the barycenter of whole counterweight, when setting up the counterweight on the vibration piece like this, can alleviate the vibration range of vibration piece.

Description

Counterweight assembly, drum assembly, balance regulating method of drum assembly and drum type washing machine

Technical Field

The application belongs to the technical field of drum-type washing machines, and particularly relates to a counterweight assembly, a drum assembly, a balance regulation and control method of the counterweight assembly and the drum-type washing machine.

Background

In the case of a low rotation speed of the drum-type washing machine, the drum has large radial vibration, and particularly, the swinging vibration at the joint of the front drum and the door seal is large. In order to reduce the vibration of the front drum, there is a counterweight device for maintaining the dynamic balance of the drum-type washing machine, and the specific structure is to arrange symmetrical counterweights at the front side of the outer drum, and the counterweight structure is adopted to simply increase the total weight of the whole drum to reduce the vibration of the whole drum brought by the front drum, so that the front drum and the door seal are prevented from vibrating too much under the condition of low rotating speed, and the vibration energy of the whole drum is not well relieved.

Disclosure of Invention

Therefore, the present application provides a balance weight assembly, a drum assembly, a balance control method thereof, and a drum type washing machine, which can solve the problem of poor vibration mitigation effect of the entire drum in the prior art.

In order to solve the above problem, the present application provides a weight assembly including:

the counterweight is arranged on the part to be counterweight;

the weight piece is provided with a cavity, a driving piece and a fluid material are arranged in the cavity, and the fluid material can flow in the cavity under the action of the driving piece.

Optionally, the fluid material comprises one or a combination of a liquid material, a particulate material.

Optionally, the cavity comprises a plurality of chambers, and a communication channel is arranged between adjacent chambers; the driving piece is arranged in the communication channel.

Optionally, the side wall of the communicating channel includes two diversion ribs arranged side by side, and the driving member is arranged between the adjacent diversion ribs.

Optionally, the flow guide ribs include first flow guide ribs, and two first flow guide ribs are arranged between two adjacent chambers in a staggered manner.

Optionally, the flow guide ribs further include second flow guide ribs, and two second flow guide ribs are arranged between two adjacent chambers and partition the two adjacent chambers; each second water conservancy diversion muscle all is equipped with the water conservancy diversion hole of two adjacent cavities of intercommunication.

Optionally, the flow guide holes on the two second flow guide ribs are arranged in a staggered manner.

According to another aspect of the present application, there is provided a drum assembly including the weight assembly as described above.

Optionally, the roller assembly further comprises a roller, the to-be-weighted member comprises the roller, and the counterweight member is arranged on the roller; when the roller vibrates, the driving piece drives the fluid material to flow in the cavity, and the position of the mass center of the roller assembly is changed.

According to a third aspect of the present application, there is provided a balance regulating method of a drum assembly as described above, comprising:

detecting the motion trail of the mass center of the roller assembly, and judging whether the motion trail is within a preset range; if the mass center motion trail exceeds the preset range, the driving piece drives the fluid material to flow, so that the mass center motion trail is in the preset range.

Optionally, the centroid movement trajectory exceeds a preset range, including upper centroid movement or lower centroid movement; if the upper mass center moves, the driving piece drives the fluid material to flow downwards; if the lower center of mass moves, the driving member drives the fluid material to flow upwards.

According to a fourth aspect of the present application, there is provided a drum washing machine comprising the counterweight assembly as described above or the drum assembly as described above, or the drum assembly operating in the balance control method as described above.

The application provides a counterweight assembly, includes: the counterweight is arranged on the part to be counterweight; the balance weight is characterized in that a cavity is arranged in the balance weight, a driving piece and a fluid material are arranged in the cavity, and the fluid material can flow in the cavity under the action of the driving piece.

This application sets up the cavity structure in the counterweight, adopts driving piece and fluid material in the cavity, when driving piece drive fluid material flows, can change the barycenter of whole counterweight, when setting up the counterweight on the vibration piece like this, can alleviate the vibration range of vibration piece.

Drawings

FIG. 1 is a schematic structural view of a roller assembly according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a counterweight assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the internal structure of a weight assembly according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a second air guide rib according to an embodiment of the present application.

The reference numerals are represented as:

1. a counterweight; 11. a housing; 111. a first chamber; 112. a second chamber; 113. a third chamber; 114. a fourth chamber; 115. a fifth chamber; 116. a first flow guiding rib; 117. water-repellent leaves; 118. a second flow guiding rib; 1181. a flow guide hole; 2. and (3) a roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring collectively to fig. 1-4, in accordance with an embodiment of the present application, a counterweight assembly includes:

the counterweight part 1 is arranged on the part to be counterweight;

a cavity is arranged in the counterweight part 1, a driving part and a fluid material are arranged in the cavity, and the fluid material can flow in the cavity under the action of the driving part.

This application sets up the cavity structure in counterweight 1, adopts driving piece and fluid material in the cavity, when driving piece drive fluid material flows, can change the barycenter of whole counterweight 1, when setting up counterweight 1 on the vibration piece like this, can alleviate the vibration range of vibration piece.

For example, the counterweight 1 is arranged on the drum 2 of the drum washing machine, so that unnecessary vibration generated by the front drum of the drum 2 type washing machine at low rotating speed can be effectively and dynamically balanced. Vibration between the front barrel and the door gap is balanced by actively controlling the distribution condition of the fluid material in the cavity of the counterweight 1, and the vibration between the front barrel and the door seal can be effectively reduced.

In some embodiments, the fluid material comprises one or a combination of a liquid material, a particulate material.

The flowability of the liquid material is of course such that a flow of a particulate material, such as rubber particles, may be effected as a fluid, or small particles of other similar materials, to change the position of the mass centre of the weight 1.

In some embodiments, the cavity comprises a plurality of chambers, and communication channels are arranged between adjacent chambers; the driving piece is arranged in the communication channel.

The cavity is internally provided with a plurality of communicated cavity structures, the driving piece is arranged on the communication channel and comprises a water stirring blade 117, a propeller and other mechanisms, and the fluid material in one cavity can flow to the other cavity through the action of the driving piece, so that the mass center position of the counterweight part 1 is changed.

In some embodiments, the side wall of the communication channel includes two diversion ribs arranged side by side, and the driving member is arranged between the adjacent diversion ribs.

The diversion ribs arranged side by side are adopted to form a communication channel, a driving piece is conveniently arranged, the whole structure is simple, and the manufacture is convenient.

In some embodiments, the flow guiding ribs include first flow guiding ribs 116, and two of the first flow guiding ribs 116 are disposed between two adjacent chambers in a staggered manner.

The two first flow guiding ribs 116 are arranged in a staggered mode to form a circulation channel, and the structure is simple.

In some embodiments, the flow guiding ribs further include second flow guiding ribs 118, two of the second flow guiding ribs 118 are disposed between two adjacent chambers and partition the two adjacent chambers; each second flow guiding rib 118 is provided with a flow guiding hole 1181 for communicating two adjacent cavities. Preferably, the diversion holes 1181 on the two second diversion ribs 118 are arranged in a staggered manner.

The second diversion rib structure can also be adopted, and the diversion holes 1181 are formed in the second diversion rib 118, so that the fluid material can also flow between the two chambers.

According to another aspect of the present application, there is provided a drum assembly including the counterweight assembly as described above.

In some embodiments, the roller assembly further comprises a roller 2, the to-be-weighted member comprises the roller 2, and the weight member 1 is arranged on the roller 2; when the roller 2 vibrates, the driving piece drives the fluid material to flow in the cavity, and the position of the mass center of the roller assembly is changed.

The counterweight 1 is arranged on the drum 2, so that unnecessary vibration generated by the front drum of the drum-type washing machine at low rotating speed can be effectively and dynamically balanced. The mass center position of the roller component can be randomly adjusted by actively controlling the distribution condition of the fluid material in the cavity of the counterweight part 1, the vibration between the front barrel and the door seam is balanced by the adjusting mode, the vibration between the front barrel and the door seal can be effectively reduced, the noise of the whole machine is reduced, and the service life and the comfort of the product are improved.

Specifically, the motion trail of the mass center can be judged, and the motion trail of the mass center exceeds a preset range, including upper mass center motion or lower mass center motion; if the upper mass center moves, the driving piece drives the fluid material to flow downwards; if the lower center of mass moves, the driving member drives the fluid material to flow upwards.

According to a fourth aspect of the present application, there is provided a drum washing machine comprising the counterweight assembly as described above or the drum assembly as described above, or the drum assembly operating in the balance regulating method as described above.

The drum assembly of drum washing machine is the core part, and this can ensure the excellent balance capacity of the drum assembly in low rotation speed. However, the vibration of the drum 2 is inevitable, and in order to solve the vibration problem of the drum 2 of the washing machine under the working condition that the rotating speed is low and the large eccentricity exists, the structure that the counterweight 1 is assembled on the drum 2 is adopted for the dynamic balance of the drum washing machine, the front drum of the drum washing machine can be restrained from swinging, so that the overall noise of the washing machine is reduced, the vibration between the front drum and the door seam is balanced by actively controlling the distribution of materials in the designed cavity of the counterweight 1, and the swinging vibration between the front drum and the door seal can be reduced.

The present invention will be described in further detail with reference to specific embodiments.

The front two sides of a drum 2 of the drum washing machine are respectively provided with a counterweight 1, a cavity is designed in the counterweight 1 and is filled with liquid materials or rubber materials, and meanwhile, the positions of the filling materials are reasonably distributed in real time by an active control method, so that the mass center of the counterweight 1 is changed to balance the swing of the front drum.

The internal structure of the weight member 1 is as shown in fig. 3, and is provided with a first chamber 111, a second chamber 112, a third chamber 113, a fourth chamber 114 and a fifth chamber 115 which are communicated in sequence; the design in the cavity is not limited to this design. As shown in fig. 2, the counterweight 1 is formed by splicing two shells 11, one shell 11 can be set as a traditional counterweight (simple mass block), and the other shell 11 is internally designed with a cavity structure as shown in fig. 3; or both parts may be provided as a cavity structure.

The communication channel between two adjacent chambers adopts a flow guiding rib structure, and the flow guiding rib can comprise a first flow guiding rib 116 and a second flow guiding rib 118 to separate the chambers. The first flow guiding ribs 116 comprise short plates, and two first flow guiding ribs 116 are arranged in a staggered manner, such as a structure between the first chamber 111 and the second chamber 112, and between the fourth chamber 114 and the fifth chamber 115 in fig. 3; and the upper part of the second flow guiding rib 118 is distributed with flow guiding holes 1181, the flow guiding holes 1181 allow the material filled in the cavity to pass through, the passing filling material is controlled from one cavity to the other cavity by a propeller, and the propeller can control the quality of the passing filling material.

When the washing machine operates, the motion trail of the mass center of the drum 2 is performed in a certain range, when the operation is stable, the vibration in the range is small, and when the washing machine operates at a low rotating speed, the motion trail of the mass center can break through the range, so that the vibration with a large amplitude is caused. Therefore, when in actual control, the motion trail of the roller 2 assembly is sensed by the sensor and fed back to the main control board, the main control board judges whether the upper mass center moves or the lower mass center moves through the motion trail, then the motor of the water-stirring blade 117 is controlled to rotate, the quality of the filling material which fluctuates when the water-stirring blade 117 rotates for one circle is certain, the quality is adjusted through the water-stirring blade 117, and the filling material is fed back to the main control board until the motion trail range of the mass center of the roller 2 is reduced to a stable preset range, and the quality adjustment is stopped.

To sum up, the problem of drum-type washing machine front drum vibration can be solved in this application, under the condition that does not influence the complete machine, through design cavity structures on the counter weight, at the cavity filling material, come the distribution of control filling material often through guide plate and screw to come the vibration that sways of 2 subassemblies of dynamic balance cylinder.

The chamber is added in the prior outer barrel balancing weight, and the material in the chamber is distributed in the chamber by an active control method, so that the balance effect of the washing machine drum component is improved.

In the hollow container that the material of this application counter weight was filled, when the structure produced the unnecessary vibration that absorbs from main system, this dynamic balance counter weight just can utilize the material of filling in the cavity to carry out initiative balance, mainly reaches the purpose of dynamic balance drum assembly through the material distribution in the cavity, and the material distribution carries out active control through guide plate and screw. The main control board monitors the rotating speed of the washing machine and the displacement of the drum 2 assembly to adjust the distribution of materials in the balance weight, so that the vibration of the drum assembly is reduced.

It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be regarded as the protection scope of the present application.

Claims

1. A counterweight assembly, comprising:

the counterweight part (1) is arranged on the part to be counterweight;

a cavity is arranged in the counterweight (1), a driving piece and a fluid material are arranged in the cavity, and the fluid material can flow in the cavity under the action of the driving piece;

a plurality of continuous chambers are arranged in the direction from one end of the cavity to the other end of the cavity, and a communicating channel is arranged between the adjacent chambers; the driving piece is arranged in the communication channel.

2. The counterweight assembly of claim 1 wherein the fluid material comprises one or a combination of a liquid material, a particulate material.

3. The counterweight assembly of claim 1 wherein said sidewall of said communication channel includes two side-by-side deflector ribs, said drive member being disposed between adjacent deflector ribs.

4. The counterweight assembly of claim 3 wherein said flow-directing ribs include first flow-directing ribs (116), two of said first flow-directing ribs (116) being disposed in offset relation between two adjacent chambers.

5. The counterweight assembly according to claim 3 or 4, characterized in that the flow guiding ribs further comprise second flow guiding ribs (118), two of the second flow guiding ribs (118) are arranged between two adjacent chambers and separate the two adjacent chambers; each second flow guide rib (118) is provided with a flow guide hole (1181) for communicating two adjacent cavities.

6. The weight assembly as claimed in claim 5, wherein the deflector holes (1181) on the two second deflector ribs (118) are offset.

7. A roller assembly, comprising a counterweight assembly according to any one of claims 1 to 6.

8. The roller assembly according to claim 7, characterized in that the roller assembly further comprises a roller (2), the to-be-weighted member comprises the roller (2), and the weight member (1) is arranged on the roller (2); when the roller (2) vibrates, the driving piece drives the fluid material to flow in the cavity, and the position of the mass center of the roller assembly is changed.

9. A balance regulating method for a drum assembly according to any one of claims 7 to 8, comprising:

10. The balance regulating method according to claim 9, wherein the centroid movement locus is out of a preset range, including an upper centroid movement or a lower centroid movement; if the upper mass center moves, the driving piece drives the fluid material to flow downwards; if the lower center of mass moves, the driving member drives the fluid material to flow upwards.

11. A drum washing machine comprising a counterweight assembly according to any one of claims 1 to 6 or a drum assembly according to any one of claims 7 to 8, or a drum assembly operating according to the balance adjustment method according to any one of claims 9 to 10.