CN104963169A - Roller washing machine and unbalance detecting method and device thereof - Google Patents
Roller washing machine and unbalance detecting method and device thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of washing machine detecting and controlling and provides a roller washing machine and an unbalance detecting method and device thereof. When a roller operates at a low constant speed, the torque of the roller is detected, and the average torque value is acquired; when the roller operates at a constant acceleration speed, the average torque values and the minimum value of the average torque values of the roller are acquired in real time, whether the difference value of the average torque values and the minimum value of the average torque values is larger than a preset unbalance threshold value or not is judged, if yes, it is judged that the roller is unbalanced dynamically, and if not, it is judged that the roller is not unbalanced dynamically. Thus, a sensor is not needed for unbalance detecting, cost and the detecting difficulty are lowered, and the problem that mechanical components collide with one another and are damaged when dynamic unbalance detecting is conducted during high-speed operating of the roller is avoided.
Description
Technical field
The invention belongs to washing machine detection control technical field, particularly relate to a kind of roller washing machine and unbalance detection thereof and device.
Background technology
In roller washing machine, when the cylinder that variable-frequency motor drives is uneven, the rotating speed of variable-frequency motor is higher, then the vibration & noise of system will be larger, thus can reduce the service life of roller washing machine.Variable-frequency motor has laod unbalance measuring ability, when finding that load (as cylinder) is uneven, by adjusting rotating speed or changing the non-equilibrium state of load, to reach the object of the vibration & noise of reduction system.
Prior art provides following two kinds of unbalance detections:
(1) whether by adopting sensor to balance cylinder and detect, but the cost of sensor is higher and be not easy to install, thus causes detection difficulty large.
(2) by judging whether cylinder balances in low cruise stage and high-speed cruising stage according to the rotating speed of variable-frequency motor or torque; But, this method is carried out cannot realizing dynamic unbalance when static unbalance detects in the low-speed running stage (motor travels at the uniform speed according to fixing rotary speed) to cylinder is simultaneously detected, and run up in the stage of running up due to cylinder, in the process of running up, carry out dynamic unbalance detection the mechanical part of washing machine internal can be made to collide and cause washing machine to be damaged.
In sum, prior art exists that cost is high, detection difficulty is large, cannot carry out dynamic unbalance detection to cylinder in the low cruise stage and carry out dynamic unbalance in the high-speed cruising stage detecting and easily making the mechanical part of washing machine internal occur the problem of impaction lesion.
Summary of the invention
The object of the present invention is to provide a kind of roller washing machine unbalance detection, be intended to solve that cost existing for prior art is high, detection difficulty large, dynamic unbalance detection cannot be carried out to cylinder in the low-speed running stage and carry out dynamic unbalance in the stage of running up detecting and easily making the mechanical part of washing machine internal occur the problem of impaction lesion.
The present invention is achieved in that a kind of roller washing machine unbalance detection, and described roller washing machine unbalance detection comprises the following steps:
A. carry out in the process of accelerated service at described cylinder according to constant acceleration, carry out detecting to the torque of cylinder and obtain described cylinder and often to rotate a circle the minimum of a value of average of torque in the time and average of torque;
B. judge whether the difference of the minimum of a value of described average of torque and described average of torque is greater than default uneven threshold values, if described difference is greater than described default uneven threshold values, then judge that dynamic unbalance appears in described cylinder, otherwise, judge that dynamic unbalance does not appear in described cylinder.
Present invention also offers the uneven checkout gear of a kind of roller washing machine, the uneven checkout gear of described roller washing machine comprises:
Average of torque acquisition module and dynamic unbalance judge module;
Described average of torque acquisition module carries out in the process of accelerated service at described cylinder according to constant acceleration, carries out detecting obtaining described cylinder and often rotating a circle the minimum of a value of average of torque in the time and average of torque the torque of cylinder;
Described dynamic unbalance judge module is for judging whether the difference of the minimum of a value of described average of torque and described average of torque is greater than default uneven threshold values, if described difference is greater than described default uneven threshold values, then judge that dynamic unbalance appears in described cylinder, otherwise, judge that dynamic unbalance does not appear in described cylinder.
Present invention also offers a kind of roller washing machine, it comprises cylinder and the uneven checkout gear of above-mentioned roller washing machine.
Roller washing machine is being carried out in the uneven process detected, the present invention is when cylinder at the uniform velocity operates according to low speed, the torque of cylinder is detected and obtains average of torque, then when cylinder carries out accelerated service according to constant acceleration, the average of torque of Real-time Obtaining cylinder and the minimum of a value of average of torque, and judge whether cylinder occurs dynamic unbalance according to the minimum of a value of described average of torque and this average of torque, if, then index drum stops accelerated service, and judge whether the executed number of operations that shakes loose of cylinder is greater than preset times value, be, then index drum shuts down, no, then index drum performs and shakes loose operation and carry out low-speed running subsequently, and when cylinder low-speed running, static unbalance detection is carried out to it, detect without the need to adopting sensor to carry out imbalance in the process, reduce cost and detection difficulty, and dynamic unbalance detection can be carried out when cylinder low-speed running and accelerated service, avoid and carry out dynamic unbalance detection when cylinder runs up and cause mechanical part to occur the problem of impaction lesion.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 2 is another realization flow figure of the roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 3 is another realization flow figure of the roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 4 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 5 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 6 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 7 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 8 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Fig. 9 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Figure 10 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Figure 11 is the Parameters variation oscillogram involved by roller washing machine unbalance detection that the embodiment of the present invention provides;
Figure 12 is the structure chart of the uneven checkout gear of roller washing machine that the embodiment of the present invention provides;
Figure 13 is the structure chart of the uneven checkout gear of another kind of roller washing machine that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the realization flow of the roller washing machine unbalance detection that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
In step sl, carry out in the process of accelerated service at described cylinder according to constant acceleration, carry out detecting to the torque of cylinder and obtain described cylinder and often to rotate a circle the minimum of a value of average of torque in the time and average of torque.
In above-mentioned steps S1, the torque of cylinder to be detected and the step obtaining average of torque specifically comprises the following steps:
Within the time that described cylinder often rotates a circle, the torque of described cylinder is detected in real time, and obtain described average of torque according to detected multiple torque value and the time rotated a circle.
It should be noted that: above by carrying out integration to multiple torque and obtaining average of torque divided by the time rotated a circle herein.
Wherein, in above-mentioned steps S1, the step of the minimum of a value of the average of torque of Real-time Obtaining cylinder is specially:
Judge whether described average of torque is greater than the minimum of a value of pre-recorded average of torque, be, then the minimum of a value being set as average of torque by the minimum of a value of pre-recorded average of torque, no, then described average of torque is set as the minimum of a value of average of torque.
It should be noted that: when starting herein, average of torque is set as the minimum of a value of average of torque is gone forward side by side line item, when cylinder revolve again turn around obtain average of torque time, itself and the minimum of a value of average of torque recorded are compared, the minimum of a value of average of torque is upgraded according to fiducial value, therefore, cylinder has often rotated the minimum of a value that a circle both can obtain average of torque and average of torque.
In step s 2, judge whether the difference of the minimum of a value of average of torque and average of torque is greater than default uneven threshold values, is, then perform step S3, no, then perform step S4.
In step s3, judge that dynamic unbalance appears in described cylinder.
In step s 4 which, judge that dynamic unbalance does not appear in described cylinder.
Now, can control described cylinder remain in operation after step S4 according to default washing procedure, wherein, default washing procedure herein can be roller washing machine required high speed dewatering operation performed after completing the washing operation to clothing.
Further, as shown in Figure 2, further comprising the steps of after step S3:
In step s 5, judge whether the executed number of operations that shakes loose of cylinder is greater than preset times value, is, then perform step S6, no, then perform step S7.
In step s 6, index drum shuts down.
In the step s 7, index drum performs and shakes loose operation and carry out low-speed running subsequently, and returns execution step S1.
Wherein, shake loose operation and refer to that cylinder carries out the homodisperse operation of current institute's washing product shaking its inside is held under the control of motor, shake loose operation by execution and cylinder can be made to restore balance; Preset times value refer to preset shake loose number of operations, it shakes loose the number of times whether operation has reached regulation for weighing performed by roller washing machine, if, then show that the dynamic unbalance of cylinder cannot shake loose operation by execution and solve, need to shut down to avoid the parts in roller washing machine to be damaged; If not, then index drum execution operation can be shaken loose to make cylinder restore balance.
In addition, as shown in Figure 3, for further comprising the steps of before above-mentioned steps S1:
Step S8. carries out static unbalance detection when cylinder at the uniform velocity operates to cylinder;
Step S9. judges that whether described cylinder static unbalance is lower than default uneven threshold values, is then perform described step S1, no, then perform described step S5.
It can thus be appreciated that when static unbalance appears in cylinder, also can be performed by index drum and shake loose operation recovery balance, operating process is identical to step S7 with step S5, therefore repeats no more.
In addition, in another embodiment, in the step s 7, index drum performs and shakes loose operation and carry out low-speed running subsequently, and returns execution step S8.
Below in conjunction with instantiation, above-mentioned roller washing machine unbalance detection is described further:
Suppose that the rotating speed of cylinder when low-speed running is 90rpm (rev/min), accelerate to 220rpm from 90rpm in the process of carrying out accelerated service according to constant acceleration, accelerate to the process of 220rpm according to constant acceleration from 90rpm at cylinder, the average of torque of Real-time Obtaining cylinder and the minimum of a value of average of torque, specifically within the time that cylinder often rotates a circle, the torque of cylinder is detected, and obtain average of torque A according to detected torque, the B of the minimum of a value obtaining new average of torque is compared in the minimum of a value of average of torque torque being obtained average of torque and record, then judge whether cylinder occurs dynamic unbalance according to the minimum of a value B of average of torque A and average of torque, during this deterministic process, the minimum of a value B of average of torque and average of torque A is carried out asking difference operation to obtain difference C (C=B-A), and judge whether difference C is greater than default fluctuation threshold X, if, judge that dynamic unbalance appears in cylinder, if not, then judge that dynamic unbalance does not appear in cylinder.When there is dynamic unbalance in cylinder, index drum stops accelerated service, so that there is damaged in collision in the mechanical part alleviated in washing machine, and judge whether the executed number of operations that shakes loose is greater than preset times value Y simultaneously, if, then showing that cylinder cannot restore balance by shaking loose operation, needing index drum at once to shut down, to avoid the mechanical part in washing machine, further gouging abrasion occurring; If not, then index drum execution can shake loose operation to make cylinder restore balance, and continue when cylinder low-speed running to carry out static unbalance detection to cylinder.When dynamic unbalance does not appear in cylinder, carry out running up to continue dehydrating operations to clothes according to 220rpm according to default washing procedure (as high speed dewatering operation) index drum.
In addition, when carrying out static unbalance to cylinder and detecting, if cylinder static unbalance exceedes prescribed threshold, then judge whether the executed number of operations that shakes loose is greater than preset times value Y, if, then showing that cylinder cannot restore balance by shaking loose operation, needing index drum at once to shut down, to avoid the mechanical part in washing machine, further gouging abrasion occurring; If not, then index drum execution can shake loose operation to make cylinder restore balance, and continue when cylinder low-speed running to carry out static unbalance detection to cylinder.
By adopting above-mentioned roller washing machine unbalance detection, dynamic unbalance detection can be carried out when cylinder accelerated service, avoiding and carry out dynamic unbalance detection when cylinder runs up and cause mechanical part to occur the problem of impaction lesion.In actual applications, when carrying out imbalance detection to cylinder, according to (empty bucket, 30% load, 50% load, 80% load) under different loads weight, testing result is as follows:
The first is under empty bucket balanced load situation, Fig. 4 is the waveform of the speed command in cylinder accelerator, real-time torque, dynamic unbalance amount, along with the increase of rotating speed, torque is pump liter slightly, dynamic unbalance amount does not reach the dynamic unbalance threshold values of setting, can continue to accelerate to high regime, test result is consistent with expected design.
The second is under 30% balanced load situation, as shown in Figure 5, compared with empty bucket, torque entirety increases, but the size that in accelerator, torque pump rises is close, and dynamic unbalance amount does not reach the dynamic unbalance threshold values of setting, can continue to accelerate to high regime, test result is consistent with expected design.
The third is under 50% balanced load situation, as shown in Figure 6, compared with all carrying with empty bucket, 30%, torque entirety increases, but the size that in accelerator, torque pump rises is close, dynamic unbalance amount does not reach the dynamic unbalance threshold values of setting, and can continue to accelerate to high regime, test result is consistent with expected design.
4th kind is under 80% balanced load situation, and as shown in Figure 7, compared with all carrying with empty bucket, 30%, 50%, torque entirety increases, but the size that in accelerator, torque pump rises is close.Dynamic unbalance amount does not reach the dynamic unbalance threshold values of setting, and can continue to accelerate to high regime, test result is consistent with expected design.
The testing result of checking balanced load situation and dynamic unbalance load condition, is divided into following four kinds of situations usually
The first meets dynamic unbalance load condition (empty bucket for cylinder, 800g diagonal angle is eccentric), Fig. 8 is the waveform of the speed command in cylinder accelerator, real-time torque, dynamic unbalance amount, along with the increase of rotating speed, torque pump rises very large, dynamic unbalance amount exceedes the dynamic unbalance threshold values of setting, cannot continue to accelerate to high regime, carries out shaking loose operation after needing stopping.Test result is consistent with expected design.
The second is (30% all carries, and 800g diagonal angle is eccentric) under cylinder meets dynamic unbalance load condition, and as shown in Figure 9, compared with all carrying with empty bucket 30%, torque entirety increases, but the size that in accelerator, torque pump rises is close.Along with the increase of rotating speed, torque pump rises very large, and dynamic unbalance amount exceedes the dynamic unbalance threshold values of setting, cannot continue to accelerate to high regime, carries out shaking loose operation after needing stopping.Test result is consistent with expected design.
For cylinder meets under dynamic unbalance load condition, (50% all carries for the third, 800g diagonal angle is eccentric), as shown in Figure 10, compared with all carrying with empty bucket, 30%, torque entirety increases, but the size that in accelerator, torque pump rises is close, along with the increase of rotating speed, torque pump rises very large, and dynamic unbalance amount exceedes the dynamic unbalance threshold values of setting, cannot continue to accelerate to high regime, carry out shaking loose operation after needing stopping.Test result is consistent with expected design.
4th kind is (50% all carries, and 800g diagonal angle is eccentric) under dynamic unbalance load condition, and as shown in figure 11, compared with all carrying with empty bucket, 30%, 50%, torque entirety increases, but the size that in accelerator, torque pump rises is close.Along with the increase of rotating speed, torque pump rises very large, and dynamic unbalance amount exceedes the dynamic unbalance threshold values of setting, cannot continue to accelerate to high regime, carries out shaking loose operation after needing stopping.Test result is consistent with expected design.
In sum, roller washing machine is being carried out in the uneven process detected, the embodiment of the present invention cylinder at the uniform velocity to operate according to low speed and static balancing time, the torque of cylinder is detected and obtains average of torque, then when cylinder carries out accelerated service according to constant acceleration, the average of torque of Real-time Obtaining cylinder and minimum of a value thereof, and judge whether cylinder occurs dynamic unbalance according to the minimum of a value of average of torque and this average of torque, if, then index drum stops accelerated service, and judge whether the executed number of operations that shakes loose of cylinder is greater than preset times value, be, then index drum shuts down, no, then index drum performs and shakes loose operation and carry out low-speed running subsequently, and when cylinder low-speed running, static unbalance detection is carried out to it, detect without the need to adopting sensor to carry out imbalance in the process, reduce cost and detection difficulty, and dynamic unbalance detection can be carried out when cylinder low-speed running and accelerated service, avoid and carry out dynamic unbalance detection when cylinder runs up and cause mechanical part to occur the problem of impaction lesion.
Based on above-mentioned roller washing machine unbalance detection, the embodiment of the present invention additionally provides the uneven checkout gear of roller washing machine, and as shown in figure 12, it comprises average of torque acquisition module 200 and dynamic unbalance judge module 300.
Average of torque acquisition module 200, for carrying out in the process of accelerated service at cylinder according to constant acceleration, carries out detecting to the torque of cylinder and obtains cylinder and often to rotate a circle the minimum of a value of average of torque in the time and average of torque.
Dynamic unbalance judge module 300 is for judging whether the difference of the minimum of a value of average of torque and average of torque is greater than default uneven threshold values.
When the judged result of dynamic unbalance judge module 300 is for being, judge that dynamic unbalance appears in cylinder.
When the judged result of dynamic unbalance judge module 300 is no, judge that dynamic unbalance does not appear in cylinder.
Further, the torque of average of torque acquisition module 200 pairs of cylinders detects and the process obtaining average of torque is specially:
Within the time that cylinder often rotates a circle, the torque of cylinder is detected in real time, and obtain average of torque according to detected multiple torque value and the time rotated a circle.
Further, the process of the minimum of a value of the average of torque of dynamic unbalance judge module 300 Real-time Obtaining cylinder is specially:
Judging whether average of torque is greater than the minimum of a value of pre-recorded average of torque, is, is then the minimum of a value being set as average of torque by the minimum of a value of pre-recorded average of torque, no, then average of torque is set as the minimum of a value of average of torque.
Further, as shown in figure 13, the uneven checkout gear of roller washing machine also comprises and shakes loose number of times judge module 500, shakes loose number of times judge module 500 for judging whether the executed number of operations that shakes loose of cylinder is greater than preset times value; When judged result is for being, index drum shuts down; When judged result is no, index drum performs to shake loose and operates and carry out low-speed running, and driving torque mean value acquisition module 200 works.
In addition, the uneven checkout gear of roller washing machine also comprises static unbalance detection module 100, static unbalance detection module 100 is for carrying out static unbalance detection to cylinder when cylinder low-speed running, judge that whether cylinder static unbalance is lower than default uneven threshold values, when judged result is for being, then driving torque mean value acquisition module 200 works, and when judged result is no, then drives and shakes loose number of times judge module 500 and work.
Based on the uneven checkout gear of above-mentioned roller washing machine, the embodiment of the present invention additionally provides a kind of roller washing machine, and it comprises cylinder and the uneven checkout gear of above-mentioned roller washing machine.
Roller washing machine is being carried out in the uneven process detected, by average of torque acquisition module when cylinder at the uniform velocity operates according to low speed, the torque of cylinder is detected and obtains average of torque, then by dynamic unbalance judge module when cylinder carries out accelerated service according to constant acceleration, the minimum of a value of the average of torque of Real-time Obtaining cylinder, and judge whether cylinder occurs dynamic unbalance according to the minimum of a value of described average of torque and this average of torque, if, then cylinder control module index drum stops accelerated service, and judge whether the executed number of operations that shakes loose of cylinder is greater than preset times value by shaking loose number of times judge module, be, then cylinder control module index drum shuts down, no, then cylinder control module index drum performs to shake loose and operates and carry out low-speed running, and drive the work of static unbalance detection module, detect without the need to adopting sensor to carry out imbalance in the process, reduce cost and detection difficulty, and dynamic unbalance detection can be carried out when cylinder low-speed running and accelerated service, avoid and carry out dynamic unbalance detection when cylinder runs up and cause mechanical part to occur the problem of impaction lesion.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a roller washing machine unbalance detection, is characterized in that, described roller washing machine unbalance detection comprises the following steps:
A. carry out in the process of accelerated service at described cylinder according to constant acceleration, carry out detecting to the torque of cylinder and obtain described cylinder and often to rotate a circle the minimum of a value of average of torque in the time and average of torque;
B. judge whether the difference of the minimum of a value of described average of torque and described average of torque is greater than default uneven threshold values, if described difference is greater than described default uneven threshold values, then judge that dynamic unbalance appears in described cylinder, otherwise, judge that dynamic unbalance does not appear in described cylinder.
2. roller washing machine unbalance detection as claimed in claim 1, is characterized in that, detects and the step obtaining the average of torque that described cylinder often rotated a circle in the time specifically comprises the following steps in described steps A to the torque of cylinder:
Within the time that described cylinder often rotates a circle, the torque of described cylinder is detected in real time, and obtain described average of torque according to detected multiple torque value and the time rotated a circle.
3. roller washing machine unbalance detection as claimed in claim 1, is characterized in that, carries out detecting obtaining often the rotate a circle step of minimum of a value of the average of torque in the time of described cylinder and being specially in described steps A to the torque of cylinder:
Judge whether described average of torque is greater than the minimum of a value of pre-recorded average of torque, be, then the minimum of a value being set as average of torque by the minimum of a value of pre-recorded average of torque, no, then described average of torque is set as the minimum of a value of average of torque.
4. roller washing machine unbalance detection as claimed in claim 1, is characterized in that, judge that described cylinder is further comprising the steps of after there is dynamic unbalance in described step B:
C. judge whether the executed number of operations that shakes loose of described cylinder is greater than preset times value, is, perform step D, no, then perform step e;
D. control described cylinder to shut down;
E. control the execution of described cylinder shake loose operation and carry out low-speed running subsequently, and return execution steps A.
5. roller washing machine unbalance detection as claimed in claim 4, is characterized in that, further comprising the steps of before described steps A:
When cylinder at the uniform velocity operates, static unbalance detection is carried out to cylinder;
Judging that whether described cylinder static unbalance is lower than described default uneven threshold values, is then perform described steps A, no, then perform described step C.
6. the uneven checkout gear of roller washing machine, is characterized in that, the uneven checkout gear of described roller washing machine comprises:
Average of torque acquisition module and dynamic unbalance judge module;
Described average of torque acquisition module carries out in the process of accelerated service at described cylinder according to constant acceleration, carries out detecting obtaining described cylinder and often rotating a circle the minimum of a value of average of torque in the time and average of torque the torque of cylinder;
Described dynamic unbalance judge module is for judging whether the difference of the minimum of a value of described average of torque and described average of torque is greater than default uneven threshold values, if described difference is greater than described default uneven threshold values, then judge that dynamic unbalance appears in described cylinder, otherwise, judge that dynamic unbalance does not appear in described cylinder.
7. the uneven checkout gear of roller washing machine as claimed in claim 6, is characterized in that, the torque of described average of torque acquisition module to described cylinder detects and the process obtaining average of torque is specially:
Within the time that described cylinder often rotates a circle, the torque of described cylinder is detected in real time, and obtain described average of torque according to detected multiple torque value and the time rotated a circle.
8. the uneven checkout gear of roller washing machine as claimed in claim 6, it is characterized in that, the process that described average of torque acquisition module obtains the minimum of a value of the average of torque of described cylinder is specially:
Judge whether described average of torque is greater than the minimum of a value of pre-recorded average of torque, be, then the minimum of a value being set as average of torque by the minimum of a value of pre-recorded average of torque, no, then described average of torque is set as the minimum of a value of average of torque.
9. the uneven checkout gear of roller washing machine as claimed in claim 6, is characterized in that, the uneven checkout gear of described roller washing machine also comprises and shakes loose number of times judge module;
The described number of times judge module that shakes loose is for judging whether the executed number of operations that shakes loose of described cylinder is greater than preset times value;
When judged result is for being, controls described cylinder and shutting down;
When judged result is no, controls the execution of described cylinder and shake loose operation and carry out low-speed running subsequently, and drive the work of described average of torque acquisition module.
10. the uneven checkout gear of roller washing machine as claimed in claim 9, is characterized in that, the uneven checkout gear of described roller washing machine also comprises static unbalance detection module;
Described static unbalance detection module is used for carrying out static unbalance detection when cylinder low-speed running to cylinder;
Judging that whether described cylinder static unbalance is lower than described default uneven threshold values, is then drive the work of described average of torque acquisition module, no, then shake loose the work of number of times judge module described in driving.
11. 1 kinds of roller washing machines, comprise cylinder, it is characterized in that, described roller washing machine also comprises the uneven checkout gear of roller washing machine as described in any one of claim 6-10.
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| WO2017020164A1 (en) * | 2015-07-31 | 2017-02-09 | 广东威灵电机制造有限公司 | Roller washing machine and unbalance detection method and device thereof |
| CN106436172A (en) * | 2016-11-01 | 2017-02-22 | 广东威灵电机制造有限公司 | Washing machine and imbalance testing method and device thereof |
| CN107144403A (en) * | 2017-05-31 | 2017-09-08 | 广东威灵电机制造有限公司 | Laod unbalance detection method, device and computer-readable recording medium |
| CN107152989A (en) * | 2017-05-31 | 2017-09-12 | 广东威灵电机制造有限公司 | Laod unbalance detection method, device and computer-readable recording medium |
| CN107202669A (en) * | 2017-05-31 | 2017-09-26 | 广东威灵电机制造有限公司 | Laod unbalance detection method, device and computer-readable recording medium |
| CN107202668A (en) * | 2017-05-31 | 2017-09-26 | 广东威灵电机制造有限公司 | Laod unbalance detection method, device and computer-readable recording medium |
| CN110552164A (en) * | 2018-06-04 | 2019-12-10 | 无锡小天鹅电器有限公司 | Eccentric sensing method, eccentric sensing device, storage medium and pulsator washing machine |
| CN112011950A (en) * | 2019-05-30 | 2020-12-01 | 无锡小天鹅电器有限公司 | Laundry treatment apparatus, control method, control system, and readable storage medium |
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