CN108175359B - Method and device for controlling water inflow of dish washing machine - Google Patents
Method and device for controlling water inflow of dish washing machine Download PDFInfo
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- CN108175359B CN108175359B CN201810027496.XA CN201810027496A CN108175359B CN 108175359 B CN108175359 B CN 108175359B CN 201810027496 A CN201810027496 A CN 201810027496A CN 108175359 B CN108175359 B CN 108175359B
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- water inlet
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4244—Water-level measuring or regulating arrangements
Abstract
The embodiment of the invention provides a method and a device for controlling the water inflow of a dish-washing machine, belonging to the field of household appliances. The method for controlling the water inflow of the dishwasher comprises the following steps: controlling a water inlet valve to feed water into a dishwasher for a first preset time, and recording a first water inlet quantity entering the dishwasher within the first water inlet time; determining the inflow water flow according to the first inflow water and the first preset time; and controlling the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and the water inlet threshold value. The method and the device can prepare for controlling the water inflow, thereby improving the cleanliness of the dish washing machine and improving the user experience.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a method and a device for controlling the water inflow of a dish-washing machine.
Background
A dishwasher is an apparatus for washing dirt on tableware, and cleans the tableware by washing the dirty tableware after heating by inflow water. To ensure the cleaning effect, the water inflow of the dishwasher needs to be controlled. At present, there are two kinds of water inlet control of the dish washer: firstly, water is fed into a flowmeter and is measured by a special water quantity detection device, the measuring method is influenced by the current water pressure, so that the water feeding quantity is inaccurate, and the cost of the water quantity detection device is high; secondly, water is fed in at regular time, but the method completely depends on the property of a water inlet valve device, and the actual water feeding capacity of the water inlet valve is deviated from the design property of the water inlet valve, is greatly influenced by water pressure and has very low precision.
The following methods for controlling the inflow of water also exist in the prior art: pre-arranging a turbine flowmeter on the side wall of the water tank, calculating a water inflow system according to the theoretical rotating turns and the actual rotating turns of the turbine flowmeter, and then calculating and controlling the water inflow according to the water inflow system; a plurality of one-way control valves are arranged, and the water inflow is controlled by controlling the opening and closing of the plurality of one-way control valves at different washing stages of the dishwasher, so as to achieve the purpose of reducing water consumption; and detecting the water inflow in the water inflow process, recording the water inflow time, calculating the actual water inflow according to the water inflow and the water inflow time, and stopping water inflow when the water inflow reaches a water inflow threshold value.
However, the methods in the prior art all have the problems that the water inlet control is not accurate, so that the water inlet is insufficient, the cleaning effect is poor, and the user acceptance is reduced.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a device for controlling the water inflow of a dish washing machine, which can prepare to control the water inflow, thereby improving the cleanliness of the dish washing machine and improving the user experience.
In order to achieve the above object, an embodiment of the present invention provides a method for controlling a water inflow of a dishwasher, the method including: controlling a water inlet valve to feed water into a dishwasher for a first preset time, and recording a first water inlet quantity entering the dishwasher within the first water inlet time; determining the inflow water flow according to the first inflow water and the first preset time; and controlling the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and the water inlet threshold value.
Wherein the degree of deviation may be calculated according to the following equation: and alpha is M/L, wherein alpha is the deviation degree, M is the inflow water flow rate, and L is the theoretical flow rate.
Wherein the controlling of the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and the water inlet threshold value may comprise: controlling a second water intake time into the dishwasher, the second water intake time being determined according to the following equation:
wherein T2 is the second water inlet time, Y is the difference between the water inlet threshold and the current amount of water in the dishwasher, X is the first water inlet, T1 is the first water inlet time, β is an adjustment coefficient, 0< β <1 when the deviation degree is greater than 1, β is 1 when the deviation degree is equal to 1, and β >1 when the deviation degree is less than 1.
Wherein, the method can also comprise: if the deviation degree is not equal to 1, controlling a third water inlet time after controlling the second water inlet time for feeding water into the dishwasher, wherein the third water inlet time is determined according to the following formula:
wherein T3 is the third water inlet time, and X2 is the second water inlet quantity entering the dishwasher in the second water inlet time.
Wherein, the method can also comprise: controlling the dishwasher to drain for a predetermined time before the controlling of the inflow of water into the dishwasher for a first predetermined time.
According to another aspect of the present invention, there is also provided an apparatus for controlling a water inflow of a dishwasher, the apparatus comprising: the water inlet control module is used for controlling the water inlet valve to feed water into the dishwasher for first preset time and recording first water inflow entering the dishwasher within the first water inlet time; the flow determining module is used for determining the inflow water according to the first inflow water and the first preset time; and the time determining module is used for controlling the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and the water inlet threshold value.
Wherein the degree of deviation may be determined according to:
α＝M/L
wherein α is the deviation degree, M is the inflow rate, and L is the theoretical flow rate.
Wherein the water inlet control module may be configured to: controlling a second water inlet time for water to enter the dish washing machine; the time determination module is configured to determine the second water intake time according to the following equation:
wherein T2 is the second water inlet time, Y is the difference between the water inlet threshold and the current amount of water in the dishwasher, X is the first water inlet, T1 is the first water inlet time, β is an adjustment coefficient, 0< β <1 when the deviation degree is greater than 1, β is 1 when the deviation degree is equal to 1, and β >1 when the deviation degree is less than 1.
Wherein the water inlet control module is further configured to control a third water inlet time after controlling the water inlet into the dishwasher for the second water inlet time if the deviation degree is not equal to 1, and the time determination module is configured to determine the third water inlet time according to the following formula:
wherein T3 is the third water inlet time, and X2 is the second water inlet quantity entering the dishwasher in the second water inlet time.
Wherein, the device can also include: and the draining control module is used for controlling the dishwasher to drain for a preset time before controlling the water to enter the dishwasher for a first preset time.
According to another aspect of the present invention, there is also provided a machine-readable storage medium having stored thereon instructions for causing a machine to perform a method of controlling a water intake of a dishwasher.
Through the technical scheme, the water inlet time is adjusted according to the deviation degree between the actual water inlet flow and the theoretical water inlet flow of the water inlet valve, so that the deviation between the actual water inlet flow and the design parameters of the water inlet valve is compensated, the accurate control of the water inlet is ensured, the cleaning effect of the dish washing machine is improved, and the recognition degree of a user on a product is improved.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a flow chart of a method of controlling a water intake of a dishwasher according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of controlling a water intake of a dishwasher according to another embodiment of the present invention;
FIG. 3 is a block diagram illustrating an apparatus for controlling a water inflow of a dishwasher in accordance with an embodiment of the present invention; and
fig. 4 is a block diagram illustrating the construction of an apparatus for controlling a water inflow of a dishwasher in accordance with another embodiment of the present invention.
Description of the reference numerals
10: the water inlet control module 20: flow determination module
30: the time determination module 40: drainage control module
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a flowchart of a method of controlling a water inflow of a dishwasher according to an embodiment of the present invention. The method comprises the following steps: step S110, controlling a water inlet valve to feed water into a dishwasher for first preset time, and recording a first water inflow entering the dishwasher within the first water inlet time; step S120, determining the water inflow according to the first water inflow and the first preset time; and S130, controlling water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and a water inlet threshold value.
The water inlet valve is a device which is arranged on the water inlet pipeline of the dish washer and is used for controlling water inlet. The water inlet valve is determined by the self attribute of the water inlet valve, and each water inlet valve is provided with a designed theoretical water inlet flow parameter (or theoretical flow gear parameter). According to the invention, the water inlet time is determined based on the deviation degree between the water inlet flow during actual water inlet and the theoretical water inlet flow, and the deviation between the theoretical water inlet flow and the water inlet flow during actual water inlet is compensated, so that the accuracy of water inlet control can be ensured, the cleaning capability of the dish washing machine is improved, and excessive water waste can be avoided.
The degree of deviation between the theoretical inlet flow and the actual inlet flow can be calculated according to the following formula: and alpha is M/L, wherein alpha is the deviation degree, M is the water inlet flow rate during actual water inlet, and L is the theoretical flow rate of the water inlet valve.
FIG. 2 is a flow chart of a method of controlling a water intake of a dishwasher according to another embodiment of the present invention;
as shown in fig. 2, before the controlling of the water inflow into the dishwasher for the first predetermined time, the method may include the step S210 of: controlling the dishwasher to drain for a predetermined time. Therefore, a certain water inlet space is reserved for determining the current actual water inlet flow.
The method may further preferably comprise step S240: controlling a second water intake time of water into the dishwasher, the second water intake time being determined according to the following formula:
wherein T2 is the second water inlet time, Y is the difference between the water inlet threshold and the current amount of water in the dishwasher, X is the first water inlet, T1 is the first water inlet time, β is an adjustment coefficient, 0< β <1 when the deviation degree is greater than 1, β is 1 when the deviation degree is equal to 1, and β >1 when the deviation degree is less than 1. Therefore, the second water inlet time is adjusted according to different deviation degrees, and the adjustment coefficient beta can be determined according to multiple test results.
Referring to fig. 2, the method may further include steps S250-S260: step S250, judging whether the deviation degree is not equal to 1; step S260, if the deviation degree is not equal to 1, controlling a third water inlet time after controlling the second water inlet time for feeding water into the dishwasher, wherein the third water inlet time is determined according to the following formula:
wherein T3 is the third water inlet time, and X2 is the second water inlet quantity entering the dishwasher in the second water inlet time.
When the deviation degree is not equal to 1, the deviation exists between the actual water inlet flow and the theoretical water inlet flow of the water inlet valve, at the moment, although the water inlet time is adjusted by using the adjusting coefficient, in order to further avoid inaccurate water inlet caused by the fact that the adjusting coefficient is not accurate enough, the water inlet amount is finely adjusted by controlling the third water inlet time of water inlet. The third water inflow time is determined on the basis of the amount of water having entered the dishwasher during the first and second water inflow times and the second water inflow time, thereby enabling to further compensate for the water inflow control accuracy.
Through the embodiment of the invention, the water inlet control precision is improved, so that the situation that the fine cleaning agent is diluted due to excessive water inlet can be avoided, and the situation that the rinsing is not thorough due to insufficient water inlet can be avoided. The method for controlling the water inflow of the dishwasher can be independently applied to washing stages, rinsing stages and other washing stages of the dishwasher, can also be applied to the whole cleaning process, and can be specifically selected according to design requirements.
Fig. 3 is a block diagram illustrating the construction of an apparatus for controlling a water inflow of a dishwasher in accordance with an embodiment of the present invention. The device includes: the water inlet control module 10 is used for controlling a water inlet valve to feed water into the dishwasher for a first preset time and recording a first water inlet amount entering the dishwasher within the first water inlet time; the flow determining module 20 is configured to determine a water inflow according to the first water inflow and the first predetermined time; and a time determination module 30, configured to control the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and a water inlet threshold.
Wherein the degree of deviation may be determined according to:
α＝M/L
wherein α is the deviation degree, M is the inflow rate, and L is the theoretical flow rate.
In another preferred embodiment, the water inlet control module may be configured to: controlling a second water inlet time for water to enter the dish washing machine; the time determination module is configured to determine the second water intake time according to the following equation:
wherein T2 is the second water inlet time, Y is the difference between the water inlet threshold and the current amount of water in the dishwasher, X is the first water inlet, T1 is the first water inlet time, β is an adjustment coefficient, 0< β <1 when the deviation degree is greater than 1, β is 1 when the deviation degree is equal to 1, and β >1 when the deviation degree is less than 1.
In another preferred embodiment, the water inlet control module may be further configured to control a third water inlet time after controlling the water inlet into the dishwasher for the second water inlet time if the deviation degree is not equal to 1, and the time determination module is configured to determine the third water inlet time according to the following formula:
wherein T3 is the third water inlet time, and X2 is the second water inlet quantity entering the dishwasher in the second water inlet time.
Fig. 4 is a block diagram illustrating the construction of an apparatus for controlling a water inflow of a dishwasher in accordance with another embodiment of the present invention. As shown in fig. 4, the apparatus may further include: and a drain control module 40 for controlling the dishwasher to drain for a predetermined time before the controlling of the inflow of water into the dishwasher for a first predetermined time.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
Those skilled in the art will understand that all or part of the steps in the apparatus according to the above embodiments may be implemented by a program, which is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps of the apparatus according to the various embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (7)
1. A method of controlling a water intake of a dishwasher, the method comprising:
controlling the dishwasher to drain for a predetermined time;
controlling a water inlet valve to feed water into a dishwasher for a first preset time after the dishwasher drains for the preset time, and recording a first water inlet amount entering the dishwasher in the first preset time;
determining the inflow water flow according to the first inflow water and the first preset time; and
controlling water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and a water inlet threshold value,
wherein the controlling the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and the water inlet threshold comprises:
controlling a second water intake time into the dishwasher, the second water intake time being determined according to the following equation:
wherein T2 is the second water inlet time, Y is the difference between the water inlet threshold and the current amount of water in the dishwasher, X is the first water inlet, T1 is the first predetermined time, beta is an adjustment coefficient,
when the degree of deviation is greater than 1, 0< β <1, when the degree of deviation is equal to 1, β ═ 1, and when the degree of deviation is less than 1, β > 1.
2. The method of claim 1, further comprising:
calculating the degree of deviation according to: and alpha is M/L, wherein alpha is the deviation degree, M is the inflow water flow rate, and L is the theoretical flow rate.
3. The method of claim 1, further comprising:
if the deviation degree is not equal to 1, controlling a third water inlet time after controlling the second water inlet time for feeding water into the dishwasher, wherein the third water inlet time is determined according to the following formula:
wherein T3 is the third water inlet time, and X2 is the second water inlet quantity entering the dishwasher in the second water inlet time.
4. An apparatus for controlling a water inflow of a dishwasher, the apparatus comprising:
the drain control module is used for controlling the preset time of draining the dishwasher;
the water inlet control module is used for controlling the water inlet valve to feed water into the dishwasher for first preset time after the dishwasher drains the water for the preset time, and recording first water inflow entering the dishwasher within the first preset time;
the flow determining module is used for determining the inflow water according to the first inflow water and the first preset time; and
a time determination module for controlling the water inlet time according to the deviation degree between the water inlet flow and the theoretical flow of the water inlet valve and the water inlet threshold value,
wherein the water inlet control module is further configured to:
controlling the second water inlet time of the water inlet into the dish washer,
the time determination module is configured to determine the second water intake time according to the following equation:
wherein T2 is the second water inlet time, Y is the difference between the water inlet threshold and the current amount of water in the dishwasher, X is the first water inlet, T1 is the first predetermined time, beta is an adjustment coefficient,
when the degree of deviation is greater than 1, 0< β <1, when the degree of deviation is equal to 1, β ═ 1, and when the degree of deviation is less than 1, β > 1.
5. The apparatus of claim 4, wherein the degree of deviation is determined according to the following equation:
α＝M/L
wherein α is the deviation degree, M is the inflow rate, and L is the theoretical flow rate.
6. The apparatus of claim 4, further comprising:
the water inlet control module is also used for controlling third water inlet time after controlling the second water inlet time for water inlet into the dishwasher if the deviation degree is not equal to 1,
the time determination module is configured to determine the third water intake time according to the following equation:
wherein T3 is the third water inlet time, and X2 is the second water inlet quantity entering the dishwasher in the second water inlet time.
7. A machine-readable storage medium having stored thereon instructions for causing a machine to perform the method of any one of claims 1-3.
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| CN201810027496.XA CN108175359B (en) | 2018-01-11 | 2018-01-11 | Method and device for controlling water inflow of dish washing machine |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110811473A (en) * | 2018-08-10 | 2020-02-21 | 青岛海尔洗碗机有限公司 | Anti-overflow method and dish washing machine |
| CN109008879A (en) * | 2018-08-31 | 2018-12-18 | 杭州川月科技有限公司 | Water-supply control for dish-washing machine |
| CN111110130B (en) * | 2018-10-30 | 2023-07-25 | 宁波方太厨具有限公司 | Self-adaptive cleaning method and system for dish washer |
| CN109744970A (en) * | 2019-01-29 | 2019-05-14 | 青岛海尔洗碗机有限公司 | A kind of dish washer control method and the dish-washing machine using this method |
| CN111714052A (en) * | 2019-03-22 | 2020-09-29 | 青岛海尔洗碗机有限公司 | Dish washing machine and water inlet control method thereof |
| CN110319900B (en) * | 2019-04-26 | 2021-09-07 | 珠海格力电器股份有限公司 | Method and device for determining water consumption of washing machine, storage medium and washing machine |
| CN112127121B (en) * | 2019-06-06 | 2023-09-08 | 青岛海尔洗衣机有限公司 | Washing machine and water inlet control method thereof |
| CN110754937A (en) * | 2019-10-11 | 2020-02-07 | 珠海格力电器股份有限公司 | Water drainage control method and device for water purifying dispenser, storage medium and water purifying dispenser |
| CN111227742B (en) * | 2020-01-15 | 2022-02-01 | 佛山市百斯特电器科技有限公司 | Control method of washing equipment and washing equipment |
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Effective date of registration: 20221101 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528300 R & D center of Midea washing appliance manufacturing Co., Ltd., No.20 Gangqian Road, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |