CN111321552A - Washing machine control method and washing machine - Google Patents
Washing machine control method and washing machine Download PDFInfo
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- CN111321552A CN111321552A CN202010119257.4A CN202010119257A CN111321552A CN 111321552 A CN111321552 A CN 111321552A CN 202010119257 A CN202010119257 A CN 202010119257A CN 111321552 A CN111321552 A CN 111321552A
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- 238000005406 washing Methods 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 80
- 230000018044 dehydration Effects 0.000 claims abstract description 25
- 208000005156 Dehydration Diseases 0.000 claims abstract description 23
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 42
- 230000002159 abnormal effect Effects 0.000 claims description 15
- 238000011946 reduction process Methods 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of washing machines, and particularly discloses a washing machine control method and a washing machine. The control method of the washing machine comprises the following steps: detecting a noise value; when the noise value is larger than a first threshold value and the washing machine is in a washing or rinsing stage, executing a first noise reduction program; and when the noise value is greater than a second threshold value and the washing machine is in a dehydration stage, executing a second noise reduction program, wherein the second threshold value is greater than the first threshold value. The washing machine adopts the washing machine control method to perform noise reduction control. The washing machine control method and the washing machine provided by the invention can correspondingly regulate and control the operation program of the washing machine according to the noise value detected in the operation process of the washing machine, reduce the operation noise of the washing machine and improve the use experience of consumers.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a washing machine control method and a washing machine.
Background
With the gradual improvement of the social living standard, the washing machine becomes a necessary household appliance of each family basically, the labor intensity of consumers is reduced while the clothes are automatically washed, and the living quality of the consumers is improved.
With the gradual increase of the performance requirements of consumers on the washing machine, the silencing performance of the washing machine is more and more important. The washing machine can cause unstable operation and generate larger noise due to the conglomeration, uneven distribution or uneven placement position of the washed clothes and other factors in the operation process. The generation of noise can cause bad experience in the using process of consumers, and especially for families with children, old people or patients, the harm of the noise is more obvious. In addition, in general, the occurrence of noise is accompanied by phenomena such as vibration and displacement of the whole washing machine, which affects the normal use of the washing machine.
Therefore, there is a need for a washing machine capable of detecting noise during the operation of the washing machine and reducing the noise to solve the above problems.
Disclosure of Invention
The invention aims to provide a washing machine control method, which is used for reducing noise in the operation process of the washing machine, improving the operation stability of the washing machine and improving the use experience of consumers.
The invention also aims to provide the washing machine, so that the noise in the operation process of the washing machine is reduced, the operation stability of the washing machine is improved, and the use experience of consumers is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method of a washing machine, comprising the steps of:
detecting a noise value;
when the noise value is larger than a first threshold value and the washing machine is in a washing or rinsing stage, executing a first noise reduction program; and when the noise value is greater than a second threshold value and the washing machine is in a dehydration stage, executing a second noise reduction program, wherein the second threshold value is greater than the first threshold value.
As a preferred technical solution of a control method of a washing machine, the first noise reduction program is specifically: reducing the washing or rinsing speed and/or spin-stop ratio of the washing machine; and/or
The second denoising procedure specifically comprises: and suspending the dehydration operation, executing the shaking-up program for a preset time, and then performing the dehydration operation again.
As a preferred technical solution of the control method of the washing machine, before the first noise reduction program is executed, it is determined whether a duration of the noise value being greater than the first threshold is greater than a first preset value, and if so, the first noise reduction program is executed.
As a preferred technical solution of the control method of the washing machine, before executing the second noise reduction program, it is determined whether a duration of the noise value being greater than a second threshold is greater than a second preset value, and if so, the second noise reduction program is executed.
As a preferred technical solution of a control method of a washing machine, in the same washing or rinsing stage, if the noise value detected after the number of times of executing the first noise reduction program is greater than or equal to a first preset number of times is greater than the first threshold value, the controller sends a first abnormal alarm signal.
As a preferable technical solution of the control method of the washing machine, in the same dehydration stage, if the noise value detected after the number of times of executing the second noise reduction program is greater than or equal to a second preset number of times is greater than the second threshold value, the controller sends a second abnormal alarm signal.
As a preferred technical solution of a control method of a washing machine, when the washing machine is in a washing or rinsing stage, and the number of times of detection that the noise value is greater than the first threshold value is greater than a third preset value within a first preset detection time period, the first noise reduction program is executed.
As a preferred technical solution of the control method of the washing machine, when the washing machine is in a dehydration stage and the number of times of detection that the noise value is greater than the second threshold value is greater than a fourth preset value within a second preset detection time period, the second noise reduction program is executed.
As a preferable technical solution of the control method of the washing machine, the noise value is an average value of noise detection in a third preset detection time period.
A washing machine is used for noise reduction control by applying the washing machine control method.
The invention has the beneficial effects that:
according to the control method of the washing machine, different noise reduction programs are selected to perform noise reduction treatment in the operation process of the washing machine according to comparison between noise values generated in different operation stages of the washing machine and corresponding threshold values, so that the noise condition in the operation process of the washing machine can be improved, and the use experience of consumers is improved.
According to the washing machine provided by the invention, the noise reduction control is carried out by adopting the washing machine control method, the noise condition in the operation process of the washing machine is improved, and the use experience of consumers is improved.
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;
fig. 3 is a flowchart of a control method of a washing machine according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
Fig. 1 is a flowchart of a washing machine control method according to an embodiment of the present invention, and as shown in fig. 1, the embodiment provides a washing machine control method for detecting a noise value during an operation process of a washing machine and controlling an operation of the washing machine according to the detected noise value, so as to achieve the purposes of reducing the operation noise of the washing machine and improving the use experience of the washing machine. The washing machine in the embodiment can be a drum washing machine or a pulsator washing machine, and the invention does not specifically limit the type and structure of the washing machine to which the control method of the washing machine is specifically applied.
Specifically, the control method of the washing machine provided by the embodiment includes the following steps:
step S101: starting an operation program of the washing machine;
step S102: detecting a noise value;
step S103: judging whether the noise value is greater than a first threshold value and whether the washing machine is in a washing or rinsing stage, if so, executing a step S104; if not, executing step S105;
step S104: executing the first noise reduction program, and returning to the step S102;
step S105: judging whether the noise value is larger than a second threshold value and whether the washing machine is in a dehydration stage, if so, executing a step S106, and if not, executing a step S107;
step S106: executing a second noise reduction program, and returning to the step S102;
step S107: keeping the washing machine executing the current running program.
In step S101, a decibel value of noise during operation of the washing machine is detected by a noise detection device provided inside the washing machine. The noise detection device can be arranged at any position in the washing machine which is not contacted with the moving part, such as the position of a base and a rear box body of the washing machine. The noise detection device is arranged in the washing machine, so that the influence of environmental noise on a noise detection result can be avoided as much as possible, and the noise detection accuracy is improved.
The noise detection device can adopt a detection device which is mature in the prior art and can be used for detecting the sound decibel value, such as a noise sensor, a decibel measuring instrument and the like, and the invention does not limit the specific type and structure of the noise detection device.
In this embodiment, the noise value may be a single-point detection value in the noise collection process, and preferably, the noise value is an average value of the noise in a third preset detection time period, and by setting the average value of the noise as a comparison parameter with a threshold, the influence of accidental noise on the noise detection result in the operation process of the washing machine can be reduced, and the detection reliability is improved. In the present invention, the incidental noise may be noise inside the machine or may be environmental noise.
In steps S103 to S106, because the operation stage of the washing machine can be divided into a washing stage, a rinsing stage and a dewatering stage during the operation of the washing machine, and the rotation speeds of the washing machine corresponding to the washing stage, the rinsing stage and the dewatering stage are different, the noise thresholds at different stages are different, and the corresponding noise reduction programs are different, the setting mode can perform corresponding adjustment on the noise values generated by different operation stages of the washing machine, and has stronger pertinence and better noise reduction adjustment effect.
Generally speaking, the higher the rotating speed is, the larger the noise value which is possibly generated is, according to the regulation of national standard GB4288, the noise value of the sound power of the washing machine during washing is less than or equal to 62 dB; when the washing machine is used for dewatering, if the highest rated rotating speed is less than or equal to 1200r/min, the noise value of the sound power level is less than or equal to 72dB, and if the highest rated rotating speed is more than 1200r/min, the noise value of the sound power level is less than or equal to 76 dB.
In this embodiment, the noise threshold of the washing or rinsing stage of the washing machine is set as a first threshold, and the noise threshold of the dewatering process of the washing machine is set as a second threshold, and the first threshold is smaller than the second threshold because the rotation speed of the dewatering stage is greater than that of the washing or rinsing stage.
In this embodiment, the first threshold and the second threshold may be specified values of national standards, may be factory set values, or may be set values set by a user according to needs.
In step S104, since the noise level is generally related to the rotation speed of the washing machine during operation, preferably, in the present embodiment, the first noise reduction program specifically refers to: reducing the washing or rinsing speed and/or spin-stop ratio of the washing machine. The adjusting mode is simple to adjust, low in cost and obvious in noise reduction effect. In other embodiments, the noise reduction adjustment may also be performed by changing the water intake during the washing or rinsing phase or by combining the water intake with the rotational speed and/or the spin-stop ratio.
In the same washing or rinsing stage, the parameters adjusted by the first noise reduction program in two adjacent times can be the same or different, and the amplitude values of the parameter adjustment can be the same or different. For example, the rotation speed and the rotation-stop ratio are reduced simultaneously each time the first noise reduction program is executed, the amplitude of each rotation speed reduction is the same, and the amplitude of each rotation-stop ratio reduction is the same. In practical applications, the reduction amplitude of the rotation speed and/or the rotation-stop ratio in the first noise reduction process may be specifically set according to the type of the washing machine.
In step S106, since the generation of the loud noise during the dewatering process is generally caused by the uneven load distribution, in the present embodiment, the second noise reduction procedure specifically refers to: and suspending the dehydration operation, executing the shaking-up program for a preset time, and then performing the dehydration operation again. The shaking and dispersing program is a built-in shaking and dispersing program in the washing machine dehydration program, and the first preset time can be consistent with the running time of the built-in shaking and dispersing program and can also be less than the running time of the shaking and dispersing program in the dehydration program. Through the shaking-dispersing program, the distribution uniformity of the washed clothes in the washing machine barrel body can be improved, so that the load uniformity in the dehydration process is improved, and the noise value in the dehydration process is reduced. In other embodiments, the noise reduction process may be performed by reducing the rotation speed during the dehydration.
According to the control method of the washing machine, different noise reduction programs are selected to perform noise reduction processing in the operation process of the washing machine according to comparison between noise values generated in different operation stages of the washing machine and corresponding threshold values, so that the noise condition in the operation process of the washing machine can be improved, and the use experience of consumers is improved.
The embodiment also provides the washing machine, and the noise reduction control is carried out by adopting the washing machine control method, so that the noise condition in the running process of the washing machine is improved, and the use experience of consumers is improved.
Example two
Fig. 2 is a flowchart of a washing machine control method according to an embodiment of the present invention, and as shown in fig. 2, the embodiment provides a washing machine control method, which is further refined based on the washing machine control method provided in the embodiment, and is used for detecting a noise value during an operation process of a washing machine, and regulating and controlling the operation of the washing machine according to the detected noise value, so as to achieve the purposes of reducing the operation noise of the washing machine and improving the use experience of the washing machine.
Specifically, the control method of the washing machine provided by the embodiment includes the following steps:
step S201: starting an operation program of the washing machine;
step S202: detecting a noise value;
step S203: judging whether the noise value is larger than a first threshold value and whether the washing machine is in a washing or rinsing stage, if so, executing a step S204, and if not, executing a step S208;
step S204: judging whether the duration time of the noise value greater than the first threshold value is greater than a first preset value, if so, executing step S205, and if not, executing step S213;
step S205: judging whether the execution times of the first noise reduction program in the same rinsing or washing stage is less than a first preset time, if so, executing a step S206, and if not, executing a step S207;
step S206: executing the first noise reduction program, and returning to the step S202;
step S207: the controller controls to issue a first abnormal alarm signal and executes step S213;
step S208: judging whether the noise value is larger than a second threshold value and whether the washing machine is in a dehydration stage, if so, executing a step S209, and if not, executing a step S213;
step S209: judging whether the duration time of the noise value greater than the second threshold value is greater than or equal to a second preset value, if so, executing step S210, and if not, executing step S213;
step S210: judging whether the execution times of a second noise reduction program in the same dehydration stage is less than a second preset time, if so, executing step S211, and if not, executing step S212;
step S211: executing the second noise reduction program, and returning to the step S202;
step S212: the controller controls to issue a second abnormal alarm signal and performs step S213;
step S213: the current operation program of the washing machine is kept executed, and returns to step S202.
In step S202 of this embodiment, the noise value is a single-point detection value in the noise collection process, in this case, in order to eliminate the influence of the incidental noise on the noise detection in the operation process of the washing machine, the duration or the continuous detection times of the noise value greater than the first threshold or the second threshold are calculated or whether the noise value is the incidental noise is judged in step S204 and step S209, and meanwhile, by the judgment in step S204 and step S209, a transient high noise process inevitably occurring in the operation process of the washing machine, such as a resonance noise generated by the resonance of the whole machine when the rotational speed reaches the resonance frequency in the rotation speed increasing process, is eliminated, and the resonance noise only temporarily exceeds the preset noise, and the vibration noise can be automatically repaired quickly in the operation program of the washing machine without performing noise reduction processing.
In this embodiment, the noise value is detected by using a predetermined frequency, for example, the collection frequency may be set to 3 to 7 times per second. When the acquisition frequency is fixed, the duration time of the noise value exceeding the first threshold or the second threshold can be calculated through the continuous detection times of the noise value exceeding the first threshold or the second threshold, for example, when the acquisition frequency of the noise is 4 times per second and the continuous detection times of the noise value exceeding the first threshold should be not less than 2 times, the duration time of the noise value exceeding the first threshold is not less than 0.4s, and if the continuous detection times of the noise value exceeding the first threshold are less than two times or the duration time of the noise value exceeding the first threshold is less than 0.4s, the noise can be judged to be accidental noise.
In this embodiment, the above-mentioned setting of the collection frequency and the first preset value is only an exemplary setting, and the collection frequency, the first preset value and the second preset value of the noise can be set according to the user's requirement, which is not limited in this embodiment.
Further, in this embodiment, by setting steps S204 to S207, it is determined whether the noise remains large after being adjusted by the first noise reduction program for multiple times during the washing or rinsing process, so as to determine whether the washing machine is in an abnormal washing or rinsing state, and if so, the user is prompted to perform maintenance or adjustment in an alarm manner, so as to implement a washing machine state early warning function.
Furthermore, in this embodiment, through steps S210 to S212, it is determined whether the noise is still large after the second noise reduction procedure is performed for a plurality of times in the dehydration stage, so as to determine whether the washing machine is in the abnormal dehydration state, and if so, the user is prompted to perform maintenance or adjustment in an alarm manner, so as to implement the state pre-warning function of the washing machine.
In this embodiment, the first abnormal alarm signal and/or the second abnormal alarm signal may be alarmed by a buzzer, may be alarmed by a voice broadcaster with preset content, or may be alarmed by combining with a light signal such as a strobe light. And the first abnormal alarm signal and the second abnormal alarm signal preferably adopt different alarm modes, such as buzzing with different frequencies and high acoustic frequencies, and the like, so as to distinguish the two abnormal alarm signals, and enable a user to better determine the operation stage of the washing machine with the abnormality.
In this embodiment, the first preset number and the second preset number are preferably 3 to 5, and in other embodiments, the first preset number and the second preset number may be set according to specific requirements.
Other steps in this embodiment may be specifically set with reference to the first embodiment, and this embodiment is not described again.
The embodiment also provides the washing machine, and the noise reduction control is carried out by adopting the washing machine control method, so that the noise condition in the running process of the washing machine is improved, and the use experience of consumers is improved.
EXAMPLE III
Fig. 3 is a flowchart of a washing machine control method according to an embodiment of the present invention, and as shown in fig. 3, the present embodiment provides a washing machine control method, and the washing machine control method provided in the present embodiment is basically the same as that of the second embodiment, and only conditions for determining whether noise occurs accidentally are different, and the present embodiment does not repeat the same contents of the second embodiment.
Specifically, the control method of the washing machine provided by the embodiment includes the following steps:
step S301: starting an operation program of the washing machine;
step S302: detecting a noise value;
step S303: judging whether the noise value is larger than a first threshold value and whether the washing machine is in a washing or rinsing stage, if so, executing a step S304, and if not, executing a step S308;
step S304: judging whether the detection times that the noise value is greater than the first threshold value in the first preset detection time period is greater than or equal to a third preset value, if so, executing step S305, and if not, executing step S313;
step S305: judging whether the execution times of the first noise reduction program in the same rinsing or washing stage is less than a first preset time, if so, executing a step S306, and if not, executing a step S307;
step S306: executing the first noise reduction program, and returning to the step S302;
step S307: the controller controls to send out a first abnormal alarm signal and executes the step S313;
step S308: judging whether the noise value is larger than a second threshold value and whether the washing machine is in a dehydration stage, if so, executing a step S309, and if not, executing a step S313;
step S309: judging whether the detection times that the noise value is larger than the second threshold value in the second preset detection time is larger than or equal to a fourth preset value, if so, executing a step S310, and if not, executing a step S313;
step S310: judging whether the execution times of a second noise reduction program in the same dehydration stage is less than a second preset time, if so, executing step S311, otherwise, executing step S312;
step S311: executing a second noise reduction program, and returning to the step S302;
step S312: the controller controls to send out a second abnormal alarm signal and executes the step S313;
step S313: and keeping executing the current running program of the washing machine.
In this embodiment, the influence of the accidental noise is eliminated through the steps S304 and S309, and the steps S304 and S309 are mainly used for identifying the periodic noise, that is, the accidental noise does not occur more than twice in a certain detection time. With this arrangement, the detection reliability can be further improved.
In this embodiment, the first preset detection time and the second preset detection time may be the same, for example, both are 10s, and the values of the third preset number and the fourth preset number may also be the same, for example, 2 times. In other embodiments, the values of the first preset detection time and the second predicted detection time may be different, and/or the values of the third preset number and the fourth preset number are different, and the first preset detection time, the second preset detection time, the third preset value and the fourth preset value may be specifically set according to the type of the washing machine.
Other steps in this embodiment may be specifically set with reference to the second embodiment and the first embodiment, and this embodiment is not described again.
The embodiment also provides the washing machine, and the noise reduction control is carried out by adopting the washing machine control method, so that the noise condition in the running process of the washing machine is improved, and the use experience of consumers is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. 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, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A control method of a washing machine, characterized by comprising the steps of:
detecting a noise value;
when the noise value is larger than a first threshold value and the washing machine is in a washing or rinsing stage, executing a first noise reduction program; and when the noise value is greater than a second threshold value and the washing machine is in a dehydration stage, executing a second noise reduction program, wherein the second threshold value is greater than the first threshold value.
2. The washing machine control method according to claim 1, wherein the first noise reduction program is embodied as: reducing the washing or rinsing speed and/or spin-stop ratio of the washing machine; and/or
The second denoising procedure specifically comprises: and suspending the dehydration operation, executing the shaking-up program for a preset time, and then performing the dehydration operation again.
3. The method of claim 1, wherein before the first noise reduction process is performed, it is determined whether a duration of the noise value being greater than the first threshold is greater than a first preset value, and if so, the first noise reduction process is performed.
4. The method of claim 1, wherein before the second noise reduction process is performed, it is determined whether a duration of the noise value being greater than the second threshold is greater than a second preset value, and if so, the second noise reduction process is performed.
5. The method as claimed in claim 1, wherein the controller generates a first abnormal alarm signal if the noise value detected after the first noise reduction process is performed a first predetermined number of times or more in the same washing or rinsing stage.
6. The control method of a washing machine according to claim 1, wherein the controller issues a second abnormal alarm signal if the noise value detected after the second noise reduction process is performed a second predetermined number of times or more in the same dehydration stage is greater than the second threshold value.
7. The washing machine control method according to claim 1, wherein the first noise reduction process is performed when the washing machine is in a washing or rinsing stage and the number of times of detection that the noise value is greater than the first threshold value within a first preset detection time period is greater than a third preset value.
8. The washing machine control method according to claim 1, wherein the second noise reduction process is performed when the washing machine is in a dehydration stage and the number of detections of the noise value greater than the second threshold value within a second preset detection time period is greater than a fourth preset value.
9. The washing machine control method as claimed in claim 1, wherein the noise value is an average value of noise detection for a third preset detection period.
10. A washing machine characterized by applying a washing machine control method according to any one of claims 1 to 9 for noise reduction control.
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| CN113944035A (en) * | 2020-07-16 | 2022-01-18 | 青岛海尔洗衣机有限公司 | Control method and device of washing machine, washing machine and storage medium |
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| CN113944035A (en) * | 2020-07-16 | 2022-01-18 | 青岛海尔洗衣机有限公司 | Control method and device of washing machine, washing machine and storage medium |
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