CN-121976370-A - Double-drum pulsator washing machine and eccentric control method

CN121976370ACN 121976370 ACN121976370 ACN 121976370ACN-121976370-A

Abstract

The invention relates to a double-drum pulsator washing machine and an eccentric control method in the technical field of double-drum pulsator washing machines, comprising a shell; the damping device comprises a first outer cylinder and a second outer cylinder, wherein the first outer cylinder and the second outer cylinder are integrally formed, and damping parts are arranged between the outer peripheral wall of the first outer cylinder and the inner side wall of the shell and between the outer peripheral wall of the second outer cylinder and the inner side wall of the shell. Through all setting up damping portion between the inside wall of the outer perisporium of design double-barrelled integrated into one piece combination each section of thick bamboo and shell for the whole rigidity of double-barrelled is stronger can effectively restrict the relative displacement of two section of thick bamboo, ensures that every attenuator group is in the best atress position all the time, and the load that every attenuator shared is more balanced, reduces the local stress concentration of shell inside wall, and barrel vibration accessible periphery wall directly transmits damping portion, realizes the timely intervention of damping force, promotes damping sensitivity, has solved double-barrelled washing machine vibration too big, the noise is showing technical problem.

Inventors

CHEN SHIYU
REN HAO
LI HAIJIE
Zhuo Yichan
YANG JUNCHENG
LI MINZHAO

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260402

Claims (10)

1. A twin drum pulsator washing machine, comprising: a housing (300); the device comprises a first outer cylinder (100) and a second outer cylinder (200), wherein the first outer cylinder (100) and the second outer cylinder (200) are vertically arranged in a shell (300), and the first outer cylinder (100) and the second outer cylinder (200) are transversely and fixedly connected together; Damping structures are respectively arranged between the outer peripheral wall of the first outer cylinder (100) and the inner side wall of the shell (300) and between the outer peripheral wall of the second outer cylinder (200) and the inner side wall of the shell (300) transversely, and the damping parts have resistance in the stretching and compression directions; The double-drum pulsator washing machine further comprises a detection module and a control module, wherein the detection module is used for detecting the compression amount of the damping parts in real time, and the control module is configured to judge whether a drum collision occurs or not according to the compression amount and determine whether to start a corresponding balance adjusting program or not.
2. The twin drum pulsator washing machine as set forth in claim 1, wherein the control module is configured to determine a collision of the drum and start a corresponding balancing adjustment program including a loosening program when the compression amount of any one of the damping parts detected by the detection module is greater than a preset threshold.
3. The twin drum pulsator washing machine as set forth in claim 1, wherein: the detection module comprises a plurality of displacement sensors, each displacement sensor is correspondingly assembled to a single damper of the damping part, and the detection module transmits the primary compression data acquired by each displacement sensor to the control module in real time so as to judge whether the cylinder is a collision cylinder.
4. The twin drum pulsator washing machine according to claim 1, wherein the plurality of damping parts located at the outer circumference of the first outer drum (100) are laterally distributed at a position where the first outer drum (100) is closest to the outer case (300) and around the drum opening of the first outer drum (100), and the plurality of damping parts located at the outer circumference of the second outer drum (200) are laterally distributed at a position where the second outer drum (200) is closest to the outer case (300) and around the drum opening of the second outer drum (200).
5. The twin drum pulsator washing machine as claimed in claim 1, wherein the first outer drum (100) and the second outer drum (200) are integrally injection-molded outer drum structure.
6. The eccentric control method of the double-drum pulsator washing machine is characterized by comprising a shell (300), a first outer drum (100) and a second outer drum (200), wherein the first outer drum (100) and the second outer drum (200) are vertically arranged in the shell (300), the first outer drum (100) and the second outer drum (200) are transversely and fixedly connected together, and a plurality of damping parts are transversely arranged between the outer peripheral wall of the first outer drum (100) and the inner side wall of the shell (300) and between the outer peripheral wall of the second outer drum (200) and the inner side wall of the shell (300) respectively; The eccentric control method comprises the steps of detecting compression amounts of a plurality of damping parts in real time, judging whether cylinder collision occurs or not according to the compression amounts, and determining whether to start corresponding balance adjustment programs or not.
7. The method for controlling eccentricity of a twin drum pulsator washing machine according to claim 6, wherein the judging whether a collision of the drum occurs according to the compression amount and determining whether to start the corresponding balancing adjustment process comprises: And when the compression amount of any one damping part is detected to be larger than a preset threshold value, judging that the cylinder is collided and starting a corresponding balance adjusting program.
8. The method for controlling eccentricity of a twin drum pulsator washing machine according to claim 7, wherein after the balancing adjustment process is finished, the dehydration rotation speed is controlled to gradually rise to a target rotation speed, the compression amount of the damping portion is monitored in real time during the rising process, if the compression amount is not less than a preset displacement threshold value X again, the rising is suspended and the balancing adjustment process of the corresponding grade is repeated until the compression amount of the damping portion continuously detected within a preset time period is less than the preset displacement threshold value X, and then the rising is continued.
9. The method for controlling eccentricity of a twin drum pulsator washing machine according to any one of claims 6 to 8, further comprising, when it is determined that the two inner drums are eccentric in a single drum or eccentric in a twin drum on the same side according to the compression amount, considering as a collision drum and distributing the center of gravity of the two inner drums on opposite sides by the balancing adjustment program, canceling the outer drum offset.
10. The method for controlling eccentricity of a twin drum pulsator washing machine according to any one of claims 6 to 8, wherein the balancing adjustment program is a loosening program.

Description

Double-drum pulsator washing machine and eccentric control method Technical Field The invention relates to the technical field of double-drum pulsator washing machines, in particular to a double-drum pulsator washing machine and an eccentric control method. Background In the related technical field of double-drum pulsator washing machines, single-drum or double-drum different working conditions exist, the operation stability is poor, particularly in the dehydration process, the washing drum is easy to swing greatly, so that the problems of vibration and noise of the whole machine are outstanding, meanwhile, the washing drum is easy to deviate due to uneven clothes distribution or high rotating speed, the phenomenon of drum collision is caused, mechanical limit or complex sensor systems are usually adopted to detect the drum collision in the prior art, and the problems of complex judgment logic, untimely response, high misjudgment rate and the like seriously influence the user experience and the service life of equipment. Disclosure of Invention The invention aims to solve the technical problems that in the prior art, the double-drum pulsator washing machine has poor stability when running under different working conditions of a single drum or double drums, the washing drum is easy to generate larger swing, the vibration and the noise are outstanding, the drum collision judgment is inaccurate, the response is not timely, the user experience and the service life of equipment are influenced, and the double-drum pulsator washing machine is provided. The present invention is directed to a dual drum pulsator washing machine, comprising: a housing; The first outer cylinder and the second outer cylinder are both arranged in the shell and are transversely and fixedly connected together; Damping parts are transversely arranged between the outer peripheral wall of the first outer cylinder and the inner side wall of the shell and between the outer peripheral wall of the second outer cylinder and the inner side wall of the shell, and the damping parts have resistance in the stretching and compression directions; The double-drum pulsator washing machine further comprises a detection module and a control module, wherein the detection module is used for detecting the compression amount of the damping parts in real time, and the control module is configured to judge whether a drum collision occurs or not according to the compression amount and determine whether to start a corresponding balance adjusting program or not. Further optionally, the control module is configured to determine that the cylinder is bumped and start a corresponding balance adjustment program when the compression amount of any one of the damping parts detected by the detection module is greater than a preset threshold, and preferably, the balance adjustment program is a shake-out program. Further optionally, the plurality of damping parts located at the outer periphery of the first outer cylinder are uniformly distributed at the position where the first outer cylinder is closest to the housing and around the nozzle of the first outer cylinder, and the plurality of damping parts located at the outer periphery of the second outer cylinder are uniformly distributed at the position where the second outer cylinder is closest to the housing and around the nozzle of the second outer cylinder. Further optionally, at least four damping portions or three damping portions are respectively arranged between the outer peripheral wall of the first outer cylinder and the inner side wall of the shell and between the outer peripheral wall of the second outer cylinder and the inner side wall of the shell, the four damping portions are opposite to each other in pairs and are arranged in a crisscross manner, and the three damping portions are uniformly distributed along the circumferential direction. Further optionally, the double drum pulsator washing machine further comprises a detection module and a control module, wherein the detection module is used for detecting the compression amount of the damping part in real time, and the control module is configured to judge the collision drum and start a corresponding balance adjustment program at least according to the compression amount of any damping part detected by the detection module in the dehydration speed-up stage. Further optionally, the control module comprises a storage unit, the storage unit is preset with a displacement threshold value X, and the control module is configured to judge that the cylinder is bumped and start a corresponding balance adjusting program when the compression amount of any one of the damping parts detected by the detection module in the dehydration acceleration stage is larger than the displacement threshold value X. The control module further comprises a data verification unit, the data verification unit receives compression amount data which are continuously collected by the detection mod