CN110983719B - Water flow strength detection method based on water level frequency of pulsator washing machine - Google Patents
Water flow strength detection method based on water level frequency of pulsator washing machine Download PDFInfo
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- CN110983719B CN110983719B CN201911099028.4A CN201911099028A CN110983719B CN 110983719 B CN110983719 B CN 110983719B CN 201911099028 A CN201911099028 A CN 201911099028A CN 110983719 B CN110983719 B CN 110983719B
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Abstract
The invention discloses a water flow strength detection method based on water level frequency of a pulsator washing machine. The method comprises the following steps: setting the acquisition frequency of a water level height sensor in a washing machine to be n, and setting the water level height detected by the water level height sensor to be C; step two, after the water inlet of the washing machine is finished, the water level height sensor starts to acquire the water level height in the washing machine, and an initial discrete coefficient is calculated; step three, when the gear is changed into the m gear, the water level height sensor collects the water level height in the washing machine and calculates the discrete coefficient of the m gear; and step four, calculating the water flow intensity I according to the initial discrete coefficient and the discrete coefficients under different gears. According to the invention, the discrete values of the water level heights in the washing machine in different time are collected, the water flow intensity in the washing machine is indirectly judged through the discrete values, and the water flow intensity parameters are increased without increasing the cost of the washing machine, so that the washing machine is more intelligently applied.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a water flow intensity detection method based on water level frequency of a pulsator washing machine.
Background
At present, the intelligent requirement and the fine design requirement of the household washing machine provide requirements for the real-time washing water flow strength of the washing machine, and different water flow strengths are adopted aiming at different materials, so that the purposes of washing and removing stains and protecting the washing materials from being damaged are achieved. Meanwhile, the problem of clothes winding can be better solved. However, the existing household washing machine is not designed with a special device for detecting washing water flow and a method for detecting actual water flow strength due to cost and technical limitations, can only control the water flow strength through the running time of a motor, and cannot detect the water flow strength.
Disclosure of Invention
The invention aims to provide a water flow strength detection method based on the water level frequency of a pulsator washing machine, which adds water flow strength detection to the washing machine on the premise of not increasing the cost, finely controls water flow, washes and protects clothes.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a water flow strength detection method based on water level frequency of a pulsator washing machine, which comprises the following steps:
setting the acquisition frequency of a water level height sensor in a washing machine to be n, and setting the water level height detected by the water level height sensor to be C;
step two, after the water inlet of the washing machine is finished, the water level height sensor starts to collect the water level height in the washing machine, and calculates an initial dispersion coefficient which is recorded as S0ri；；
Step three, when the gear is changed into the m gear, the water level height sensor collects the water level height in the washing machine, and calculates the discrete coefficient of the m gear, and records the discrete coefficient as Smevn；
And step four, calculating the water flow intensity I according to the initial discrete coefficient and the discrete coefficients under different gears.
Preferably, the collection frequency of the water level height sensor in the washing machine is more than 10 times per washing cycle.
Preferably, the method for calculating the initial discrete coefficients in the second step comprises the following steps:
the average water level is calculated and recorded as CAVEThe average water level calculation method comprises the following steps:
wherein C isnIs the water level detected at the nth time in one washing period;
then calculating the initial discrete coefficient
Preferably, the method for calculating the discrete coefficients of the third m gear of the step includes:
the average water level is calculated and recorded as CAVEThe average water level calculation method comprises the following steps:
wherein C isnIs the water level detected at the nth time in one washing period;
then calculating the initial discrete coefficient
Preferably, the water flow strength I in the fourth step is calculated by: i ism＝|Smevn-S0riL, wherein ImThe water flow strength at the m gear is shown.
The invention has the following beneficial effects:
according to the invention, the discrete values of the water level heights in the washing machine in different time are collected, the water flow intensity in the washing machine is indirectly judged through the discrete values, the water flow intensity parameters are increased without increasing the cost of the washing machine, and the washing machine is convenient to be applied more intelligently.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a water flow strength detection method based on water level frequency of a pulsator washing machine, which comprises the following steps:
setting the acquisition frequency of a water level height sensor in a washing machine to be n, and setting the water level height detected by the water level height sensor to be C;
step two, after the water inlet of the washing machine is finished, the water level height sensor starts to collect the water level height in the washing machine, and calculates an initial dispersion coefficient which is recorded as S0ri；；
Step three, when the gear is changed into the m gear, the water level height sensor collects the water level height in the washing machine, and calculates the discrete coefficient of the m gear, and records the discrete coefficient as Smevn；
And step four, calculating the water flow intensity I according to the initial discrete coefficient and the discrete coefficients under different gears.
Wherein, the collection frequency of the water level height sensor in the washing machine is more than 10 times per washing period.
The method for calculating the initial discrete coefficient in the second step comprises the following steps:
the average water level is calculated and recorded as CAVEThe average water level calculation method comprises the following steps:
wherein C isnIs the water level detected at the nth time in one washing period;
then calculating the initial discrete coefficient
The method for calculating the discrete coefficients of the third m gears comprises the following steps:
the average water level is calculated and recorded as CAVEThe average water level calculation method comprises the following steps:
wherein C isnIs the water level detected at the nth time in one washing period;
then calculating the initial discrete coefficient
The method for calculating the water flow strength I in the step four comprises the following steps: i ism＝|Smevn-S0riL, wherein ImThe water flow strength at the m gear is shown.
The invention is a water flow strength detection method based on the water level frequency of a pulsator washing machine, when the pulsator washing machine works, in order to achieve the purpose of cleaning clothes, a plurality of pulsator operation modes are set, including forward rotation, reverse rotation, stopping and the like, wherein one washing cycle is a complete pulsator operation mode, for example, the forward rotation is 0.3 second, the stopping is 0.4 second, the reverse rotation is 0.3 second, and the stopping is 0.4 second; the water level dispersion during standing is collected as a reference value, then, the water level is changed due to different rotation modes of the impeller when different gears are adopted, the washing water generates a water level difference due to the action of centripetal force of the rotation of the impeller, the intensity of the water flow can be effectively observed through the dispersion degree of the water level in the period, and the detection of the water flow intensity of the washing water can be achieved through the indirect mode; wherein the water level height sensor comprises a water level probe or a water level detector.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it can be understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above can be implemented by instructing the relevant hardware through a program, and the corresponding program can be stored in a computer-readable storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A water flow strength detection method based on water level acquisition frequency of a pulsator washing machine is characterized by comprising the following steps:
setting the acquisition frequency of a water level height sensor in a washing machine to be n, and setting the water level height detected by the water level height sensor to be C;
step two, after the water inlet of the washing machine is finished, the water level height sensor starts to collect the water level height in the washing machine, and calculates an initial dispersion coefficient which is recorded as S0ri；
Step three, when the gear of the impeller is changed into m gears, the water level height sensor collects the water level height in the washing machine, and calculates the discrete coefficient of the m gears and records the discrete coefficient as Smevn；
Step four, calculating the water flow intensity I according to the initial discrete coefficient and the discrete coefficients under different gears;
the method for calculating the initial discrete coefficient in the second step comprises the following steps:
the average water level is calculated and recorded as CAVEThe average water level calculation method comprises the following steps:
wherein C isnIs the water level detected at the nth time in one washing period;
then calculating the initial discrete coefficient
The calculation method of the discrete coefficient of the third m gear comprises the following steps:
the average water level is calculated and recorded as CAVEThe average water level calculation method comprises the following steps:
wherein C isnIs the water level detected at the nth time in one washing period;
then calculating the initial discrete coefficient
The acquisition frequency of the water level height sensor in the washing machine is more than 10 times per washing cycle;
the calculation method of the water flow strength I in the step four comprises the following steps: i ism＝|Smevn-S0riL, wherein ImThe water flow strength of the impeller in m operating positions is obtained.
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| CN113718468A (en) * | 2020-05-25 | 2021-11-30 | 青岛海尔洗衣机有限公司 | Control method for washing equipment |
| CN114438718A (en) * | 2022-01-21 | 2022-05-06 | 长虹美菱股份有限公司 | Control method of pulsator washing machine |
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| CN102425051A (en) * | 2011-10-18 | 2012-04-25 | 合肥荣事达三洋电器股份有限公司 | Control circuit for variable-speed washing of washing machine and control method thereof |
| JP2019107066A (en) * | 2017-12-15 | 2019-07-04 | 東芝ライフスタイル株式会社 | Washing machine |
| JP7164100B2 (en) * | 2017-12-26 | 2022-11-01 | 青島海爾洗衣机有限公司 | washing machine |
| CN109056271A (en) * | 2018-09-14 | 2018-12-21 | 杭州电子科技大学 | A kind of fuzzy control method and system for intelligent washing machine |
| CN109682439A (en) * | 2018-12-14 | 2019-04-26 | 长虹美菱股份有限公司 | A kind of monitoring method of water level of washing machine, water velocity and water consumption of doing washing |
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