CN111101327A - Method and device for detecting tub collision of clothes treatment device and clothes treatment device - Google Patents
Method and device for detecting tub collision of clothes treatment device and clothes treatment device Download PDFInfo
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- CN111101327A CN111101327A CN201911423373.9A CN201911423373A CN111101327A CN 111101327 A CN111101327 A CN 111101327A CN 201911423373 A CN201911423373 A CN 201911423373A CN 111101327 A CN111101327 A CN 111101327A
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The application provides a barrel collision detection method and device for a clothes treatment device and the clothes treatment device, wherein the method comprises the following steps: the method comprises the steps of controlling a washing barrel of the clothes treatment device to rotate to dewater, monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value, determining that the rotating speed change indicated value is smaller than a threshold value, determining that the washing barrel is collided, monitoring the dewatering rotating speed, and judging whether dewatering is abnormal or not by utilizing the rotating speed change indicated value which is monitored for multiple times within a set specific rotating speed interval when the set rotating speed is reached so as to realize more timely and accurate detection of the collision of the washing barrel.
Description
Technical Field
The present disclosure relates to home appliance control technologies, and in particular, to a method and an apparatus for detecting barrel collision in a clothes treatment apparatus, and a clothes treatment apparatus.
Background
During the operation of the washing machine, clothes are unevenly distributed in the washing tub due to winding and other reasons, so that the washing tub cannot stably rotate at a high speed to dewater and continuously impact the external box body of the washing machine. The subsequent washing process can not run normally, even the whole machine generates large-amplitude displacement, the falling danger occurs, even the washing machine body is damaged, and the economic loss is suffered by users. Once this occurs, the spinning action is first stopped to correct the uneven distribution of the laundry inside the tub.
At present, a washing machine on the market is provided with a tub collision switch, and the washing machine stops the dewatering action immediately after the tub collision switch is triggered by collision. However, the eccentric position caused by the uneven distribution of the clothes in the barrel is generated randomly, and the unstable operation caused by some eccentricity can not successfully trigger the barrel collision switch, so that the machine cannot stop, and the potential safety hazard exists.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first object of the present invention is to provide a method for detecting a tub crash in a laundry treatment device, which can detect a tub crash more accurately by monitoring a spin-drying speed and determining whether a spin-drying operation is abnormal or not by using an indication value of a change of the spin speed of a washing tub with time when a set spin speed is reached.
A second object of the present application is to provide a tub collision detecting apparatus of a laundry treating apparatus.
A third object of the present application is to provide a laundry treating apparatus.
A fourth object of the present application is to propose a non-transitory computer-readable storage medium.
To achieve the above object, a first embodiment of the present application provides a barrel collision detection method for a clothes treating apparatus, including:
controlling a washing tub of the laundry treating apparatus to rotate to dehydrate;
monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value;
and determining that the rotating speed change indicating value is smaller than a threshold value, and determining that the washing barrel is collided.
To achieve the above object, a second aspect of the present application provides a barrel collision detecting device for a clothes treating apparatus, comprising:
a control module for controlling a washing tub of the laundry treating apparatus to rotate for dehydration;
the monitoring module is used for monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value;
and the determining module is used for determining that the rotating speed change indicated value is smaller than a threshold value, and then determining that the washing barrel is collided.
In order to achieve the above object, a laundry processing apparatus according to a third embodiment of the present application includes a washing tub and a control unit connected to the washing tub, wherein the control unit includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the method for detecting tub collision according to the first aspect when executing the program.
To achieve the above object, a non-transitory computer-readable storage medium is provided in an embodiment of a fourth aspect of the present application, and a computer program is stored thereon, and when executed by a processor, the computer program implements the method for detecting a barrel collision according to the first aspect.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the washing barrel of the clothes treatment device is controlled to rotate to dewater, the change of the rotating speed of the washing barrel along with time is monitored to obtain a rotating speed change indicated value, the rotating speed change indicated value is smaller than a threshold value, then the washing barrel is determined to be collided, and whether the dewatering is abnormal or not is judged by monitoring the dewatering rotating speed and utilizing the rotating speed change indicated value when the set rotating speed is reached, so that the purpose of detecting the collision of the washing barrel timely and accurately is achieved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart illustrating a method for detecting barrel collision in a clothes treating apparatus according to the present invention;
FIG. 2 is a schematic flow chart illustrating a method for detecting a tub crash in a laundry treatment apparatus according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of a set interval in a dehydration curve of the present application;
FIG. 4 is a schematic flow chart illustrating a method for detecting a tub collision in a laundry treatment apparatus according to the present application;
fig. 5 is a schematic flowchart of a barrel collision detection method of another laundry treatment apparatus according to the present application;
fig. 6 is a schematic structural view of a barrel collision detecting device of a laundry treating apparatus according to the present application;
fig. 7 is a schematic structural view of a laundry treating apparatus provided in the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
A tub collision detection method, apparatus, and laundry treatment apparatus of a laundry treatment apparatus according to embodiments of the present application are described below with reference to the accompanying drawings.
When the laundry treating apparatus starts to spin, the washing tub of the laundry treating apparatus starts to rotate, and when a certain low-speed rotation time period is reached, an eccentric condition called a diagonal eccentricity may occur, which may not effectively trigger the tub hitting switch, thereby causing a failure in performing balance washing. Meanwhile, the eccentricity can also cause the washing barrel to be incapable of rotating at a high speed, so that clothes can not be dried off, the washing effect is influenced, the collision barrel caused by the fact that balanced washing cannot be executed can emit large collision noise, the continuous collision can also damage the physical structure of the clothes treatment device, the machine can not be repaired to be damaged for a long time, the use experience of a user is influenced, and more serious economic loss is caused.
The method comprises the steps of controlling a washing barrel of the clothes treatment device to rotate to dewater, monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value, determining that the rotating speed change indicated value is smaller than a threshold value, determining that the washing barrel is collided, and judging whether the dewatering is abnormal or not by monitoring the dewatering rotating speed and utilizing the rotating speed change indicated values which are monitored for multiple times in a set specific rotating speed interval when the set rotating speed is reached so as to realize more timely and accurate detection of the collision.
Fig. 1 is a schematic flowchart of a method for detecting barrel collision of a laundry treating apparatus according to an embodiment of the present disclosure.
As shown in fig. 1, the method comprises the steps of:
Specifically, the washing tub of the laundry treating apparatus is controlled to rotate by the motor, the rotation speed thereof is gradually increased with time, and finally the dehydration is achieved by the high-speed rotation of the washing tub.
Wherein the rotation speed change instruction value includes at least one of a rotation speed change difference value and a rotation speed change rate. In practical application, in the initial stage of dehydration, the rotation speed of the washing tub gradually increases with time, however, in the low-speed rotation stage after starting, the washing tub is likely to collide with the outer tub due to the eccentric phenomenon caused by the uneven distribution of the washing objects, and the tub collision is hereinafter referred to as tub collision for short, and meanwhile, the diagonal eccentricity is also most likely to occur in this stage.
And 103, determining that the rotating speed change indicating value is smaller than the threshold value, and determining that the washing barrel is collided.
And comparing the monitored rotating speed change indicated value with a pre-stored threshold value, and when the rotating speed change indicated value is smaller than the threshold value, indicating that the current dehydration is in an abnormal operation state and the condition that the washing barrel impacts the outer barrel exists.
It should be noted that the threshold corresponding to the rotation speed variation indication value is obtained through measurement and analysis of a large amount of experimental data and is stored in the laundry treating apparatus in advance.
In the method for detecting the tub collision of the clothes treatment device, the washing tub of the clothes treatment device is controlled to rotate to dewater, and the change of the rotating speed of the washing tub along with time is monitored to obtain a rotating speed change indicated value; the method comprises the steps of determining that a washing barrel is collided when a rotating speed change indicated value is smaller than a threshold value, judging whether dehydration is abnormal or not by utilizing the rotating speed change indicated value which is monitored for multiple times in a set specific rotating speed interval by monitoring the dehydration rotating speed, so that the problem that in the prior art, a barrel collision switch cannot be triggered by collision under certain conditions, the barrel collision cannot be detected timely and accurately, and the clothes processing device is seriously displaced or even falls to be damaged is solved.
Based on the embodiment shown in fig. 1, the change of the rotation speed of the washing tub with time is monitored, and the obtained rotation speed change indication value can be determined as follows, specifically as shown in fig. 2:
In the dehydration curve of the clothes treatment device, the lower limit of the rotation speed interval is less than or equal to the first step rotation speed of the dehydration curve, and the upper limit of the rotation speed interval is greater than or equal to the second step rotation speed of the dehydration curve, as shown in fig. 3, fig. 3 is a schematic diagram of the set interval in the dehydration curve of the present application, the clothes treatment device operates according to the dehydration curve shown in fig. 3 during the dehydration process, when the clothes treatment device is in the speed interval of the first step rotation speed and the second step rotation speed of the dehydration curve, the diagonal eccentricity condition that the tub collision switch cannot be triggered is particularly easy to occur, therefore, the lower limit S of the set rotation speed interval in the present embodiment is0The rotating speed of the first step of the dewatering curve is less than or equal to, the upper limit Sm of the rotating speed interval is more than or equal toIn the second step rotational speed of dehydration curve, that is to say the rotational speed interval of setting for is not the interval that whole dehydration curve corresponds, but contained the speed interval that takes place diagonal eccentricity most easily again, the interval of first step rotational speed to second step rotational speed promptly, consequently, through carrying out speed monitoring in the rotational speed interval of setting for, improved and collided bucket monitoring's promptness and accuracy, can not detect at whole interval again simultaneously, reduced clothing processing apparatus's power consumptive, saved the energy consumption.
And when the rotating speed of the washing barrel is in a set rotating speed interval, acquiring the rotating speed of the washing barrel once every set interval period.
The method for acquiring the rotating speed of the interval time comprises the following two possible implementation modes:
as a possible implementation manner, it is determined that the rotation speed is in a set rotation speed interval, and for each interval period, the rotation speed of the washing tub in the corresponding interval period is determined according to the detection signal of the hall sensor, wherein the magnet corresponding to the hall sensor is disposed on the belt pulley of the clutch of the laundry treatment device.
As another possible implementation, it is determined that the rotation speed is in a set rotation speed interval, and for each interval period, the rotation speed of the washing tub for the corresponding interval period is determined according to the induced current of the motor of the laundry treatment apparatus.
It should be noted that the rotation speed change instruction value includes at least one of a rotation speed change difference value and a rotation speed change rate. The different methods for obtaining the indication value of the change of the rotation speed are different, the method for obtaining the change rate of the rotation speed is shown as step 202, and the method for obtaining the difference value of the change of the rotation speed is shown as step 203, which is as follows:
The speed change rate is the ratio of the speed difference before and after the corresponding interval period to the duration of the corresponding interval period.
For example, the rotation speed interval is [ S ]0，Sm]Number of interval periods setA plurality of slave rotating speeds are provided, the interval time is t, and the slave rotating speed S is detected after the rotating speed is monitored to be in the rotating speed interval0At the beginning, when the set time t is reached, the rotating speed at the moment is recorded as S1Thereby calculating the rate of change of the rotational speed as Δ S1＝(S1-S0) The rate of change of speed Δ S in the second time interval t can be calculated in the same manner, for example, by continuing the monitoring with n intervals2Rate of change of speed Δ S in a third time interval t3And the rate of change of speed Δ S in the nth time interval tn。
And step 203, determining the rotating speed change difference value of the corresponding interval time period according to the difference value between the rotating speeds before and after each interval time period.
Setting a rotating speed interval for monitoring the rotating speed of the washing barrel, determining that the rotating speed is in the set rotating speed interval, and acquiring the rotating speed once every set interval time interval to obtain a rotating speed difference value of each adjacent interval time interval.
For example, the rotation speed interval is [ S ]0，Sm]If the number of the set interval time intervals is multiple and the interval time interval is t, the slave rotating speed S is detected after the rotating speed is monitored to be in the rotating speed interval0At the beginning, when the set time t is reached, the rotating speed at the moment is recorded as S1Thereby calculating a difference value of the rotation speed change as Delta S1＝S1-S0For example, if the number of the interval periods is n, and the monitoring is continued, the rotational speed variation difference Δ S in the second time interval t can be calculated in the same manner2The difference of the change of the rotational speed Δ S in the third time interval t3And the difference of the change of the rotational speed Δ S in the nth time interval tn。
Based on the embodiment shown in fig. 2, the manner of determining whether there is tub crash in the washing tub according to the rotation speed variation indication value is as follows in fig. 4:
As a possible implementation manner, the rotation speed change instruction value is a rotation speed change rate, and after determining the rotation speed change rate corresponding to each time interval, the rotation speed change rate obtained each time is compared with a pre-stored threshold value, and it is determined whether the rotation speed change rate obtained this time is smaller than the pre-stored threshold value, as in step 202 of the embodiment shown in fig. 2.
For example: the rate of change Δ S of the rotational speed in the first time interval t1Then, the obtained Δ S1Comparing with a pre-stored threshold value M to determine Delta S1Whether it is less than a threshold value M; the rate of change of speed Δ S in the second time interval t2Then, the obtained Δ S2Comparing with a pre-stored threshold value M to determine Delta S2Whether it is less than a threshold value M; according to the monitoring process, the rate of change Δ S of the rotational speed in the third time interval t can be derived in the same way3Whether it is less than a threshold value M; and the rate of change of speed deltaS in the nth time interval tnWhether less than the threshold M.
As another possible implementation manner, in step 203 of the embodiment shown in fig. 2, after determining a rotation speed change difference corresponding to each time interval, comparing the rotation speed change difference obtained each time with a pre-stored threshold, and determining whether the rotation speed change difference obtained this time is smaller than the pre-stored threshold; for a specific operation process, reference is made to a similar manner to the first possible implementation manner, and details are not repeated here.
And counting the number of interval time periods smaller than the threshold in the steps. Such as: rate of change of speed Δ S in a first time interval t1When the number is smaller than the threshold value M, the statistical number is 1; rate of change of speed Δ S in second time interval t2When the number is larger than the threshold value M, the statistical number is still 1; rate of change of speed Δ S in a third time interval t3When the number is smaller than the threshold value M, the statistical number is 2, and so on.
And step 403, determining that the counted number is equal to or greater than the set number, and determining that the washing barrel is collided.
Wherein the set number is at least 2.
As a possible implementation mode, when the counted number changes every time, the counted number is compared with the preset number stored in advance, whether the counted number reaches the preset number or not is determined, and if the counted number reaches the preset number, the phenomenon that the washing barrel is collided exists is indicated.
For example, if the number of the rotation speed change rates is set to be 4, and the rotation speed change rates in the first 4 interval periods are all smaller than the threshold value, the rotation speed change rate Δ S in the fourth time interval t3And when the number is smaller than the threshold value M, the counted number is 4, and the counted number is determined to reach the preset number 4 stored in advance, so that the phenomenon that the washing barrel is collided is determined to exist at the moment.
As another possible implementation manner, the relationship between the rotation speed change indication values in all interval periods within the set rotation speed interval and the threshold is determined, the number of the rotation speed change indication values in all interval periods smaller than the threshold is counted, whether the counted number is larger than or equal to the set number is determined, and if the counted number is larger than or equal to the set number, the tub collision phenomenon of the washing tub is indicated.
For example, the number of the interval periods is set to be 4, the rotating speed change indicating values in 6 interval periods are all smaller than the threshold value in the rotating speed change indicating values in the n interval periods, the 6 interval periods obtained through accumulation are determined to be larger than the set number of 4, and then the washing barrel is determined to have the barrel collision phenomenon. The 6 interval periods may be continuous 6 interval periods, or discontinuous 6 interval periods.
In the method for detecting the collision of the laundry treatment device in the embodiment of the application, after multiple monitoring and judgment, when the rotating speed of the laundry treatment device still cannot reach the expected rotating speed, the abnormal dehydration state can be accurately judged, the eccentricity possibly exists, particularly the diagonal eccentricity which cannot trigger the collision of the drum switch exists, so that the misjudgment caused by single detection or the misjudgment caused by the slow speed rise of the laundry treatment device in the starting stage is avoided.
Based on the method for detecting tub collision in the above embodiment, only how to determine whether there is tub collision in the washing tub is described, in order to better solve the problem of tub collision, the embodiment of the present application provides an operation to be performed after detecting tub collision, and the specific steps are shown in fig. 5.
The dehydration operation of the laundry treating apparatus needs to be stopped immediately after it is determined that the tub is hit; the problem that the clothes processing device cannot complete the washing process is avoided, and the satisfaction degree of a user is reduced.
Controlling the laundry treating apparatus to perform a balance washing after determining that the tub has a tub crash and suspending a dehydrating operation. The balance washing is a washing mode in which the clothes in the washing tub are uniformly distributed. As one possible implementation, the balance washing may include: changing a dehydration curve, rinsing again after water inflow, executing shaking operation and the like.
After the balance washing is performed, the dehydrating process is re-run, and it is determined whether there is a tub collision phenomenon in the re-run dehydrating process according to the above-described embodiment.
In the embodiment shown in fig. 4, after the balance washing is performed, the number counted in step 402 is cleared, and the counting is performed again according to the newly run spin-drying program.
In step 503, the number of times of performing the balance washing is counted.
Since there may be a problem of tub collision after performing the balance washing, in order to prevent the balance washing from being performed all the time in a cycle, the number of times of performing the balance washing in the present washing process is counted after performing the balance washing each time. Such as: the number of times is 1 after the first execution of the balance washing, the number of times is 2 after the second execution of the balance washing, and so on, and the total number of times of executing the balance washing is accumulated.
And step 504, if the number of times of executing balance washing is determined to be larger than or equal to the threshold number of times, sending out an alarm prompt.
And after counting the times of executing the balance washing, comparing the counted times with the threshold times to determine whether to send out an alarm prompt. As a possible implementation, the threshold number of times is 3.
When the number of times of executing the balance washing is larger than or equal to the threshold number of times, the eccentricity condition still exists after the deviation rectifying processing is carried out for many times, and therefore an alarm prompt is sent to wait for a user to manually process the fault. When the alarm prompt is sent out, all loads such as the water inlet valve, the water discharge valve, the motor and the like are closed.
As a possible implementation, the alarm prompt may include: the nixie tube displays an alarm buzzer to prompt a user, prompts the user by voice, prompts the user through a bound mobile terminal and the like, and the method is not particularly limited herein.
As a possible implementation, when the number of times of performing the balance washing is less than the threshold number of times, it returns to step 502.
In the method for detecting the barrel collision of the clothes treatment device, after the barrel collision of the washing barrel is determined, the eccentric correction processing is carried out by executing the balance washing, if the correction is not successful for multiple times, the operation of all loads is stopped, the barrel collision alarm is carried out, and the user is reminded to carry out manual eccentric correction, so that the problem that the clothes treatment device cannot complete the washing process is avoided, and the satisfaction degree of the user is reduced.
In order to realize the above embodiments, the present application further provides a barrel collision detecting device of a laundry treating apparatus.
Fig. 6 is a schematic structural view of a barrel collision detection device of a laundry treatment device according to an embodiment of the present application.
As shown in fig. 6, the apparatus includes: a control module 61, a monitoring module 62, and a determination module 63.
And a control module 61 for controlling the washing tub of the laundry treating apparatus to rotate for dehydration.
And the monitoring module 62 is used for monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value.
And the determining module 63 is configured to determine that the rotating speed change indicating value is smaller than the threshold value, and then determine that the washing tub has a tub collision.
Further, in a possible implementation manner of the embodiment of the present application, the determining module 33 is specifically configured to:
and for each interval time interval, determining whether the rotating speed change indicated value in the corresponding interval time interval is smaller than a threshold value, counting the number of the interval time intervals smaller than the threshold value, and determining that the counted number is equal to or larger than a set number, thereby determining that the washing barrel is collided.
As a possible implementation, the set number is at least two.
As one possible implementation, the rotation speed change instruction value includes at least one of a rotation speed change difference value and a rotation speed change rate.
As a possible implementation manner, the rotation speed change indication value is a rotation speed change rate, and the monitoring module 32 is specifically configured to:
and determining that the rotating speed is in a set rotating speed interval, acquiring the rotating speed once every set interval time, and determining the rotating speed change rate of the corresponding interval time according to the ratio of the rotating speed difference before and after each interval time to the time length of the corresponding interval time.
As a possible implementation, the lower limit of the rotation speed interval is less than or equal to the first step rotation speed of the dehydration curve; the upper limit of the rotating speed interval is greater than or equal to the rotating speed of the second step of the dehydration curve.
As a possible implementation, the apparatus further comprises: a pause module and an adjustment module.
And a pause module for controlling the washing tub to pause the dehydration operation.
And the adjusting module is used for executing balance washing, and after the balance washing is finished, the dehydration is continued.
As a possible implementation, the control module 61 is further configured to count the number of times of performing the balance washing; if the number of times of executing balance washing is determined to be larger than or equal to the threshold number of times, sending an alarm prompt;
the adjusting module is also used for determining that the number of times of executing the balance washing is less than the threshold number of times, and then executing the balance washing again; and (5) finishing the equilibrium washing and continuing to dewater.
It should be noted that the foregoing explanation of the embodiment of the method for detecting tub collision of a clothes treatment device is also applicable to the tub collision detection device of the clothes treatment device of the embodiment, and will not be repeated herein.
In the collision detection device of the clothes treatment device in the embodiment of the application, the washing barrel of the clothes treatment device is controlled to rotate to dehydrate, the change of the rotating speed of the washing barrel along with time is monitored, the rotating speed change rate of the rotating speed change rate is smaller than the threshold value, the collision of the washing barrel is determined, the dehydration rotating speed is monitored, and when the set rotating speed is reached, whether the dehydration is abnormal or not is judged by utilizing the rotating speed change indicated value which is monitored for many times in the set specific rotating speed interval, so that the collision of the washing barrel can be detected more timely and accurately.
In order to implement the foregoing embodiments, fig. 7 is a schematic structural diagram of a laundry processing device according to an embodiment of the present invention, and as shown in fig. 7, the laundry processing device 10 includes a washing tub 120 and a control unit 110 connected to the washing tub 120, where the control unit 110 includes a memory 111, a processor 112 and a computer program 1111 stored in the memory 111 and operable on the processor 112, and when the processor 112 executes the program 1111, the method for detecting a tub collision according to the foregoing method embodiments is implemented.
In order to implement the foregoing embodiments, the present application further proposes a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the barrel collision detection method described in the foregoing method embodiments.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (11)
1. A tub collision detecting method of a laundry treating apparatus, the method comprising:
controlling a washing tub of the laundry treating apparatus to rotate to dehydrate;
monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value;
and determining that the rotating speed change indicating value is smaller than a threshold value, and determining that the washing barrel is collided.
2. The method of claim 1, wherein determining that the indication of the change of the rotation speed is less than a threshold value, and determining that the tub crash exists comprises:
for each interval period, determining whether the rotating speed change indicating value in the corresponding interval period is smaller than the threshold value;
counting the number of interval time periods smaller than the threshold;
and determining that the counted number is equal to or larger than the set number, and determining that the washing barrel is collided.
3. The method of claim 2, wherein the set number is at least two.
4. The crash detection method of claim 1 wherein said speed change indicator comprises at least one of a speed change difference and a speed change rate.
5. The crash detection method of claim 4 wherein said speed change indicator is a speed change rate; the monitoring the change of the rotating speed of the washing barrel along with the time to obtain a rotating speed change indicated value comprises the following steps:
determining that the rotating speed is in a set rotating speed interval, and acquiring the rotating speed once every set interval period;
and determining the rotating speed change rate of the corresponding interval time period according to the ratio of the rotating speed difference before and after each interval time period to the time length of the corresponding interval time period.
6. The barrel crash detection method of claim 5,
the lower limit of the rotating speed interval is less than or equal to the rotating speed of a first step of a dehydration curve;
the upper limit of the rotating speed interval is greater than or equal to the rotating speed of the second step of the dehydration curve.
7. The method of barrel crash detection as recited in any one of claims 1-6, further comprising:
controlling the washing tub to suspend a dehydrating operation;
performing a balance wash; and (5) finishing the equilibrium washing and continuing to dewater.
8. The method of barrel crash detection as recited in claim 7, further comprising:
counting the number of times of performing the balance washing;
determining that the number of times of executing the balance washing is greater than or equal to the threshold number of times, and sending an alarm prompt;
determining that the number of times of performing the balance washing is less than the threshold number of times, performing the balance washing again; and (5) finishing the balance washing and continuing to dewater.
9. A tub collision detecting apparatus of a laundry treating apparatus, the apparatus comprising:
a control module for controlling a washing tub of the laundry treating apparatus to rotate for dehydration;
the monitoring module is used for monitoring the change of the rotating speed of the washing barrel along with time to obtain a rotating speed change indicated value;
and the determining module is used for determining that the rotating speed change indicated value is smaller than a threshold value, and then determining that the washing barrel is collided.
10. A laundry treatment apparatus comprising a washing tub and a control unit connected to the washing tub, wherein the control unit comprises a memory, a processor and a computer program stored on the memory and executable on the processor, when executing the program, implementing the tub collision detection method according to any one of claims 1-8.
11. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements the method of barrel crash detection as recited in any one of claims 1-8.
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| CN111101327B (en) | 2023-04-21 |
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