CN109629171B - Control method of washing machine and washing machine - Google Patents
Control method of washing machine and washing machine Download PDFInfo
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- CN109629171B CN109629171B CN201910008654.1A CN201910008654A CN109629171B CN 109629171 B CN109629171 B CN 109629171B CN 201910008654 A CN201910008654 A CN 201910008654A CN 109629171 B CN109629171 B CN 109629171B
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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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
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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 invention belongs to the technical field of washing machines, and particularly discloses a control method of a washing machine and the washing machine, wherein the control method of the washing machine comprises the following steps: in the dehydration stage, an eccentricity correction program is determined according to the number of times the eccentric striker has occurred. The washing machine adopts the control method to carry out eccentric correction control. The control method of the washing machine and the washing machine provided by the invention can reduce the complexity of eccentric degree detection, reduce the eccentric correction time length and improve the efficiency of the washing machine.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a control method of a washing machine and the washing machine.
Background
In the existing washing machine, in the process of executing clothes load washing, especially in the process of spin-drying, due to higher rotation speed, uneven distribution of clothes load in a washing barrel can occur due to different clothes materials, shapes, water absorption and the like, so that eccentricity is caused, the washing barrel vibrates and impacts a box body, and larger noise and displacement or even damage of the washing machine are generated. When the eccentricity occurs, load deviation correction is needed to maintain the normal operation of the washing machine and ensure the operation safety of the washing machine.
The prior art provides a control method of a washing machine, wherein a barrel collision detection device is arranged in the washing machine and used for detecting whether an eccentric barrel collision occurs, in the dehydration process, the washing machine judges the eccentric degree of a load according to the triggered time of the barrel collision detection device and adjusts an eccentric correction program, and when the triggered time of the barrel collision detection device is longer, the greater the eccentric degree is, the stronger the eccentric correction program is executed to carry out eccentric correction.
The control method of the washing machine provided by the prior art can adjust the eccentric correction program according to the eccentric degree, but increases the complexity of eccentric detection; and the eccentricity correction programs corresponding to different trigger durations increase the eccentricity correction duration by increasing the number of times of water flow correction in each eccentricity correction and increasing the time of main washing water flow and weak washing water flow in water flow correction so as to adjust correction parameters, thereby being not beneficial to the improvement of the efficiency of the washing machine.
Disclosure of Invention
The invention aims to provide a control method of a washing machine, which shortens the eccentric correction time and improves the efficiency of the washing machine.
Another object of the present invention is to provide a washing machine that improves the operation efficiency of the washing machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a control method of washing machine, in the dehydration stage, according to the number of times of eccentric ram occurrence, determining the correction parameter of eccentric correction program.
Further, the eccentricity correction program specifically refers to: and under the corrected water level, sequentially executing the main washing for a first preset time period and the balance washing for a second preset time period.
Further, the equilibrium washing of the second preset duration includes a strong equilibrium washing of a third preset duration and a weak equilibrium washing of a fourth preset duration.
Further, determining the correction parameters of the eccentricity correction procedure specifically refers to: and changing correction parameters in the eccentric correction program of two adjacent times, wherein the correction parameters comprise correction water level, first preset duration and/or second preset duration.
Further, in the two adjacent eccentric correction procedures, the corrected water level in the eccentric correction procedure in the last time is larger than the corrected water level in the eccentric correction procedure in the previous time, and/or the first preset time period in the eccentric correction procedure in the last time is longer than the first preset time period in the eccentric correction procedure in the previous time.
Further, in the two adjacent eccentric correction procedures, the corrected water level of the last time is 1 gear higher than the corrected water level of the previous time.
Further, the sum of the first preset time period and the second preset time period is less than or equal to 8 minutes.
Further, the third preset time period is longer than or equal to the fourth preset time period.
Further, the dehydration stage specifically refers to a dehydration stage in a rinsing process.
A washing machine performs eccentricity correction using the control method as described above.
The invention has the beneficial effects that:
according to the control method provided by the invention, the eccentric correction program is determined according to the occurrence times of the eccentric striker, so that the eccentric degree can be judged through the occurrence times of the eccentric striker, and the eccentric degree is judged without an additionally arranged control program or auxiliary structure, so that the program control of the eccentric correction is simplified; meanwhile, according to the eccentric degree, compared with the previous eccentric correction program, in the next eccentric correction, an eccentric correction program with stronger correction capability can be provided for correcting the eccentric ram, so that the regulation and control of eccentric correction are facilitated, and the efficiency of eccentric correction is improved; and when the eccentric ram occurs for the first time, a weaker eccentric correction program can be adopted to correct, if the load eccentricity can be corrected under the eccentric correction program, the subsequent stronger eccentric correction program is not needed to carry out eccentric correction, and the time and cost of the eccentric correction are reduced.
According to the washing machine provided by the invention, the eccentricity correction control is performed by adopting the control method, so that the running efficiency of the washing machine is improved, and the eccentricity correction cost of the washing machine is reduced.
Drawings
Fig. 1 is a flowchart of a control method of a washing machine according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a washing machine according to a second embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
Fig. 1 is a flowchart of a control method of a washing machine according to an embodiment of the present invention, as shown in fig. 1, where the control method of a washing machine is provided, and is used for performing eccentric correction when an eccentric ram occurs in the washing machine, so as to prevent problems such as loud noise, displacement of the washing machine, or operation failure of the washing machine during operation of the washing machine.
Specifically, the control method provided in this embodiment is mainly applied to the dehydration stage in the rinsing process, and may also be applied to the eccentric correction of the final dehydration state of the washing, and the control method provided in this embodiment is as follows: in the dehydration stage, the correction parameters of the eccentric correction program are determined according to the occurrence times of the eccentric striker.
According to the control method provided by the embodiment, the eccentric correction program is determined according to the occurrence times of the eccentric plunger, so that the degree of eccentricity can be judged through the occurrence times of the eccentric plunger, and the judgment of the degree of eccentricity is not required by an additionally arranged control program or auxiliary structure, so that the program control of eccentric correction is simplified; meanwhile, according to the eccentric degree, compared with the previous eccentric correction program, in the next eccentric correction, an eccentric correction program with stronger correction capability can be provided for correcting the eccentric ram, so that the regulation and control of eccentric correction are facilitated, and the efficiency of eccentric correction is improved; when the eccentric ram is generated for the first time, a weaker eccentric correction program can be adopted for correction, if the secondary eccentric correction program is adopted, the load eccentric can be corrected, the subsequent stronger eccentric correction program is not needed for eccentric correction, and the time and cost for eccentric correction are reduced.
In this embodiment, the washing machine is provided with the striker detecting device, and the striker detecting device may be a striker detecting switch, a position detecting device, a photoelectric detecting device, or the like.
In the present embodiment, the plunger detecting means is triggered, that is, determines that an eccentric plunger occurs, wherein the plunger detection is triggered including: when the washing machine normally operates, the collision rod detection device keeps on/off state, after the collision rod occurs, the collision rod detection device is disconnected/connected, and an abnormal level different from that when the washing machine normally operates is sent to the upper computer, and after the upper computer detects the abnormal level, the eccentric collision rod is judged to occur.
The detection conditions under which the eccentric striker occurs may be different for different striker detection apparatuses, and the present embodiment is not limited, and both the existing striker detection apparatus and the corresponding striker detection method, which can be used for realizing the detection of the eccentric striker, may be used for the detection of the eccentric striker in the present application.
The eccentricity correction program specifically refers to: and under the corrected water level, sequentially executing the main washing for a first preset time period and the balance washing for a second preset time period.
After the eccentric collision rod occurs in the dehydration process, the uneven load in the washing barrel is indicated, so that the washing water with the corrected water level is injected into the washing barrel in the eccentric correction process, and the clothes load is easily driven by water flow to rotate under the action of the water flow so as to disperse the clothes, thereby ensuring that the load distribution is more uniform. And through carrying out the main washing of first preset duration under the correction water level, in the main washing process, the motor is positive, reverse intermittent repeated rotation, and the motor rotational speed is higher, and the intensity of the produced water flow is stronger, can drive the clothing to overturn and stir, changes the distribution of load in the washing bucket to a great extent, carries out preliminary shaking to the clothing. In the balanced washing process, the motor rotates intermittently in the forward direction or the reverse direction, the rotating speed of the motor is smaller than that of the main washing process, the generated water flow is relatively weaker, and the clothes can be further scattered in a fight manner more gently, so that the clothes are scattered more uniformly.
In this embodiment, the balanced washing of the second preset duration includes a strong balanced washing of the third preset duration and a weak balanced washing of the fourth preset duration. The time length of one-time rotation of the motor during strong balance washing is longer than that of one-time rotation of the motor during weak balance washing, so that the intensity of water flow during strong balance washing is smaller than that of main washing water flow but greater than that during weak balance washing. That is, the load is scattered integrally in the strong balance washing process, and in the weak balance washing process, the water flow is weak, the overall driving capacity of the clothes is weak, but the phenomena such as folds or folds of the clothes can be smoothed to a certain extent, the effects of the scattering of the clothes bucket and the load scattering are further improved, the load of the clothes is distributed uniformly, and the eccentricity is reduced.
In this embodiment, the operation of the motor in the strong equilibrium wash is: after 0.6s of forward rotation (reverse rotation), the motor is stopped for 0.6s of equidirectional intermittent rotation, and the operation of the motor in weak balance washing is as follows: after 0.5s of forward rotation (reverse rotation), the same-direction intermittent rotation is suspended for 0.5 s. However, in this embodiment, in the strong balance washing process and the weak balance washing process, the time of rotation and the time of suspension in one period of the motor are both exemplary references, and the present embodiment does not limit the time of rotation and the time of suspension of the motor in the strong balance washing process and the weak balance washing process, so long as the motor rotation speed and/or the motor primary rotation time in the strong balance washing process are satisfied to be greater than the motor rotation speed and/or the motor primary rotation time in the weak balance washing process, and the motor rotation speed and/or the motor primary rotation time in the strong balance washing process are satisfied to be less than the motor rotation speed and/or the motor primary rotation time in the main washing process.
In this embodiment, the third preset duration of the strong balance washing is not less than the fourth preset duration of the weak balance washing, so that the whole laundry load is sufficiently dispersed in the strong balance washing process.
In the present embodiment, determining the correction parameters of the eccentricity correction program means: and changing correction parameters in two adjacent eccentric corrections, wherein the correction parameters comprise correction water level, first preset duration, third preset duration and/or fourth preset duration.
When the eccentricity correction is performed and the eccentric striker rod occurs again, the correction degree of the eccentricity correction program on the load eccentricity is weaker, on one hand, the correction water flow may be too small to drive clothes to rotate and disperse well, on the other hand, the first preset duration of main washing may be too short, the clothes are difficult to stir and disperse comprehensively, and on the other hand, the clothes bucket dispersing effect is weaker because the balance washing duration is shorter. Therefore, the effect of the eccentric correction can be improved with respect to the previous eccentric correction by increasing the corrected water level, the main washing time period, and/or the balance washing time period of the last correction.
In an embodiment, the eccentricity correction procedure is adjusted mainly by adjusting the correction water level and the first preset time period: in the two adjacent eccentric correction procedures, the corrected water level of the eccentric correction of the last time is larger than the corrected water level of the eccentric correction procedure of the previous time, and/or the first preset time length in the eccentric correction procedure of the last time is longer than the first preset time length in the eccentric correction of the previous time. In the two adjacent eccentric correction degrees, the synchronous adjustment of a plurality of correction parameters can improve the effect of the eccentric correction of the next time and the efficiency of the eccentric correction.
In other embodiments, only one correction parameter may be adjusted in two adjacent eccentric correction procedures, so as to achieve the purpose of enhancing the correction effect of the subsequent eccentric correction procedure.
In the present embodiment, when the number of times of the eccentric striker is smaller than or equal to the preset maximum number of times, the eccentric correction program is executed, and the dewatering work is continued after the eccentric correction. When the number of times of eccentric striker is larger than the preset maximum number of times, an alarm is sent out. The alarm can be sent out to enable the upper computer to control the buzzer or the voice broadcasting device to give an alarm, for example, the buzzer buzzes 10 sound to enable the user to remind the load eccentric to be unable to be corrected, and the eccentric fault can be displayed in a mode of displaying a fault code on a display screen of the washing machine. The form of the alarm is not particularly limited in this embodiment.
In this embodiment, the preset maximum number of times is four times, and in other embodiments, the preset maximum number of times may be adjusted according to the user requirement.
The embodiment also provides a washing machine, which adopts the control method to carry out eccentric correction.
Example two
Fig. 2 is a flowchart of a control method of a washing machine according to an embodiment of the present invention, and as shown in fig. 2, this embodiment provides a control method of a washing machine, which provides a specific exemplary implementation manner to rectify load eccentricity occurring during a dehydration process, compared to the first embodiment.
Specifically, as shown in fig. 2, after the eccentric striker occurs, the eccentric striker is first determined to be the nth eccentric striker occurring in the dewatering process, and when N is less than or equal to four, correction parameters of the current eccentric correction are determined according to the value of N, where the correction parameters include: correcting the water level, the first preset time period, the third preset time period and the fourth preset time period. When N equals five, an alarm is raised.
Wherein, when n=1, the corrected water level is: presetting a water level, wherein the first preset time period is 1min, the third preset time period is 2min, and the fourth preset time period is 1min;
when n=2, the corrected water level is: presetting a water level +1 gear water level, wherein the first preset time period is 2min, the third preset time period is 1min, and the fourth preset time period is 1min;
when n=3, the corrected water level is: the water level is preset to +2 water level, the first preset duration is 3min, the third preset duration is 1min, and the fourth preset duration is 1min.
When n=4, the corrected water level is: the highest water level is achieved, the first preset time length is 3min, the third preset time length is 1min, and the fourth preset time length is 1min.
In this embodiment, in each eccentric correction procedure, the corrected water level, the first preset time period, the third preset time period and the fourth preset time period are all exemplary values, and the user may preset each correction parameter in each eccentric correction procedure according to actual needs, so long as the main washing time period in the last eccentric correction is not less than the main washing time period in the previous eccentric correction, and the corrected water level in the last eccentric correction is not less than the corrected water level in the previous eccentric correction.
In this embodiment, in the two adjacent eccentric correction procedures, the adjustment of the third preset duration and the fourth preset duration is smaller or basically not performed, and in other embodiments, the user may adjust and set the third preset duration and the fourth preset duration in each eccentric correction process according to the requirement. The present invention does not limit the specific adjustment settings for the third preset duration and the fourth preset duration.
In this embodiment, the maximum number of eccentric corrections may be set according to the needs of the user, and the maximum number may be four times in this embodiment, which is advantageous for saving the cost of eccentric corrections, but the maximum number of eccentric corrections may be greater than four times, which is not particularly limited in this embodiment,
in this embodiment, the sum of the first preset time length and the second preset time length is less than 8min, and preferably less than or equal to 5min, which is favorable for improving the efficiency of the eccentric correction and avoiding the influence of the overlong eccentric correction time length on the running efficiency of the washing machine.
In this embodiment, the corrected water level in the last eccentric correction is 1 gear higher than the corrected water level in the previous eccentric correction, wherein the setting of the preset water level may be specifically determined according to the highest water level of the washing machine, the maximum number of eccentric corrections, and the number of clothes.
In other embodiments, if the corrected water level has reached the maximum water level when the number of eccentric corrections has not reached the preset maximum number of corrections, then in the subsequent eccentric correction procedure, the maximum water level is used as the corrected water level, and the eccentric correction effect is enhanced by increasing the main washing duration, or by simultaneously increasing the main washing duration and the balanced washing duration.
The embodiment also provides a washing machine, which is controlled by adopting the control method of the washing machine.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (5)
1. A control method of washing machine is characterized in that after eccentric striking rod occurs in the dehydration stage, the eccentric striking rod is firstly judged to be the Nth eccentric striking rod occurring in the dehydration process, and the correction parameter of the eccentric correction program is determined according to the value of N;
the eccentricity correction program specifically refers to: under the corrected water level, sequentially executing main washing for a first preset time period and balance washing for a second preset time period;
the determination of the correction parameters of the eccentricity correction program specifically means: changing correction parameters in the eccentric correction program for two adjacent times, wherein the correction parameters comprise correction water level, first preset duration and/or second preset duration;
the balance washing of the second preset time length comprises strong balance washing of a third preset time length and weak balance washing of a fourth preset time length, and the third preset time length is greater than or equal to the fourth preset time length;
in the two adjacent eccentric correction procedures, the corrected water level in the eccentric correction procedure at the last time is larger than the corrected water level in the eccentric correction procedure at the previous time, and/or the first preset time length in the eccentric correction procedure at the last time is longer than the first preset time length in the eccentric correction procedure at the previous time;
when the number of times N of the eccentric striker is larger than the preset maximum number of times, an alarm is sent out.
2. The control method according to claim 1, wherein in the two adjacent eccentric correction procedures, the corrected water level of the latter time is higher than the corrected water level of the former time by 1 stage.
3. The control method according to claim 1, wherein a sum of the first preset time period and the second preset time period is less than or equal to 8 minutes.
4. A control method according to any one of claims 1-3, characterized in that the dewatering stage refers in particular to a dewatering stage in a rinsing process.
5. A washing machine, characterized in that it is subjected to eccentricity correction using the control method according to any one of claims 1 to 4.
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| CN201910488149.1A CN111172709A (en) | 2019-01-04 | 2019-01-04 | Control method of washing machine and washing machine |
| CN201910008654.1A CN109629171B (en) | 2019-01-04 | 2019-01-04 | Control method of washing machine and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112853675A (en) * | 2019-11-27 | 2021-05-28 | 青岛海尔洗衣机有限公司 | Dewatering control method of washing machine and washing machine |
| CN111058228A (en) * | 2019-12-31 | 2020-04-24 | 合肥海尔滚筒洗衣机有限公司 | Dehydration control method for washing equipment |
| CN113802328B (en) * | 2020-06-12 | 2023-10-10 | 天津海尔洗涤电器有限公司 | Control method for washing equipment |
| CN114481548B (en) * | 2020-11-13 | 2023-11-03 | 无锡小天鹅电器有限公司 | Laundry treating apparatus, control method and device thereof, and storage medium |
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Effective date of registration: 20200310 Address after: 266101 Haier Road, Qingdao hi tech Zone, Qingdao, Shandong Province, No. 1 Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Qingdao Haier Joint Stock Co.,Ltd. Address before: 266101 Haier Road, Qingdao hi tech Zone, Qingdao, Shandong Province, No. 1 Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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Address after: No.1, Haier Road, hi tech Zone, Qingdao City, Shandong Province Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: No.1, Haier Road, hi tech Zone, Qingdao City, Shandong Province Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: No.1, Haier Road, hi tech Zone, Qingdao City, Shandong Province Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant before: Haier Zhijia Co.,Ltd. |
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