CN112168100A - Dish washing machine water inlet control method and dish washing machine - Google Patents
Dish washing machine water inlet control method and dish washing machine Download PDFInfo
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- CN112168100A CN112168100A CN201910589030.3A CN201910589030A CN112168100A CN 112168100 A CN112168100 A CN 112168100A CN 201910589030 A CN201910589030 A CN 201910589030A CN 112168100 A CN112168100 A CN 112168100A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 399
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000004851 dishwashing Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000005406 washing Methods 0.000 description 19
- 238000005070 sampling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000008237 rinsing water Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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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
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0023—Water filling
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Abstract
The invention discloses a dishwasher water inlet control method and a dishwasher, wherein the method comprises the following steps of S1, starting a water inlet program to run; s2, starting water inflow, and starting timing when detecting that the water level frequency signal has a first inflection point; and S3, judging whether the water level frequency signal has a second inflection point, if so, ending timing, calculating the water inflow in unit time according to the second inflection point, and if not, continuing water inflow. The dishwasher is used for implementing the dishwasher water inlet control method. The invention obtains the water inflow in unit time by utilizing the smaller volume of the water containing chamber compared with the dish-washing machine and the higher detection precision of the water inflow process, thereby controlling the water inflow process of the dish-washing machine and improving the water inflow precision of the dish-washing machine.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a dishwasher and a water inlet control method thereof.
Background
With the acceleration of modern life rhythm, dish washer receives the favor of consumers more and more. The water pressure of daily water cannot be kept consistent due to different residences of users using the dishwasher, for example, the difference of the waterway design between an old building and a new building, the height of a floor or the buildings in different areas can cause the water pressure of water supply to be changed; even under the same residential conditions, the water pressure varies depending on the water usage point.
In order to solve the problem, in the dishwasher in the prior art, a flow meter is often additionally arranged in a water gate to determine the water supply flow, the corresponding water inflow is recorded according to the number of rotation turns of an impeller of the flow meter, and when the number of rotation turns reaches a preset value, the dishwasher closes a water inlet valve to stop water inflow.
However, in the case that the water pressure of the water supply is insufficient, the impeller of the flow meter can still rotate, so that the dishwasher using the flow meter cannot accurately reflect the water inflow, and therefore, when the water pressure is low, a longer water inflow time is required to achieve a standard washing time, so that the actual operation time of the dishwasher is inconsistent with the standard time displayed on the panel, and the user experience is affected.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a water inlet control method of a dish washing machine, which improves the water inlet precision.
It is another object of the present invention to provide a dishwasher for implementing a dishwasher inlet control method.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for controlling water inlet of dish-washing machine,
the method comprises the following steps of,
s1, starting the water inlet program to run;
s2, starting water inflow, and starting timing when detecting that the water level frequency signal has a first inflection point;
and S3, judging whether the water level frequency signal has a second inflection point, if so, ending timing, calculating the water inflow in unit time according to the second inflection point, and if not, continuing water inflow.
In the above scheme, the volume of the water containing cavity is smaller than that of the dish washing machine, the water inlet process detection precision is higher, the water inlet amount in unit time is obtained, the water inlet process of the dish washing machine is controlled, and the water inlet precision of the dish washing machine is improved.
Further, in the above-mentioned case,
and detecting the water level frequency signal in real time through a pressure sensor.
Further, in the above-mentioned case,
also included in step S2 is the step of,
the first inflection point is a water level frequency signal when the pressure sensor detects the initial water level pressure information in the dishwasher.
Further, in the above-mentioned case,
also included in step S3 is the step of,
the second inflection point is a water level frequency signal of the water level pressure information of the cross-sectional area of the dishwasher at the sudden change of the water level rising direction, which is detected by the pressure sensor.
In the scheme, the node for starting and ending water inlet in the water containing cavity is determined by detecting the change of the water level frequency signal, so that the water inlet quantity in unit time and the water inlet duration required in the water inlet process can be measured and calculated more accurately.
Further, in the above-mentioned case,
the water inflow between the first inflection point and the second inflection point is a fixed value and is stored in a water inflow procedure of the dishwasher.
In the above scheme, the volume of the water containing cavity is a fixed value, so that the water inflow in unit time is obtained, the water inflow process of the dish washing machine is controlled, and the water inflow precision of the dish washing machine is improved.
Further, in the above-mentioned case,
before water enters, the following operations are required: setting the total amount of inlet water.
In the scheme, the user can set the required total water inlet amount according to selection, and the user experience is improved.
Further, in the above-mentioned case,
s4, calculating the residual water inlet time according to the total water inlet amount and the water inlet amount in unit time, and controlling the dish-washing machine to feed water according to the residual water inlet time;
and S5, judging whether the residual water inlet time is reached, if so, finishing water inlet, executing the next program according to the program setting, namely executing the residual stage of the washing program, and if not, continuing water inlet.
According to the scheme, the water inlet measurement precision is improved on the premise that the hardware cost is not increased.
Further, in the above-mentioned case,
also included in step S2 is the step of,
before water inflow begins, whether the water level frequency signal is at a set maximum value is detected, if so, water inflow begins, if not, a water drainage program is executed, and the process is circulated until the set maximum value of the water level frequency signal is detected.
According to the scheme, whether the residual washing water exists is judged before water inflow is started, so that whether a drainage program is started is judged, and the detection precision is further improved.
A dishwasher, which is used for implementing the dishwasher water inlet control method.
Further, in the above-mentioned case,
the dishwasher comprises a water containing chamber, and the pressure sensor is arranged at the bottom of the water containing chamber.
In the scheme, the water inlet control method of the dishwasher judges by detecting the change of the water level frequency signal converted by the pressure sensor, replaces the prior art of directly sampling the water pressure value detected by the pressure sensor, and has higher detection precision.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The water inlet control method of the dish washing machine utilizes the advantages that the volume of the water containing cavity is smaller than that of the dish washing machine, the detection precision of the water inlet process is higher, the water inlet amount in unit time is obtained, the water inlet process of the dish washing machine is further controlled, and the water inlet precision of the dish washing machine is improved;
2. the dishwasher water inlet control method determines the nodes for starting and ending water inlet in the water containing cavity by detecting the change of the water level frequency signal, and can more accurately measure and calculate the water inlet amount in unit time and the water inlet duration required in the water inlet process;
3. the dishwasher water inlet control method judges by detecting the change of the water level frequency signal converted by the pressure sensor, replaces the water pressure value detected by the pressure sensor in the prior art by directly sampling, and has higher detection precision.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a flow chart of a method for controlling the water inflow of a dishwasher according to the present invention;
FIG. 2 is a schematic diagram of the water level frequency signal curve (f-t) according to the present invention;
FIG. 3 is another flow chart of the method for controlling the water inlet of the dishwasher according to the present invention;
FIG. 4 is a schematic view of the water inlet control device of the dishwasher of the present invention;
FIG. 5 is a block schematic diagram of the dishwasher of the present invention.
In the figure: 1. a dishwasher; 10. a water inlet control device of the dish-washing machine; 101. a water inlet module; 102. a water level detection module; 103. a timing module; 104. a control module;
f. a water level frequency signal; t, time; A. a first inflection point; B. a second inflection point.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the method for controlling water inflow of a dishwasher according to the present invention comprises the steps of:
s1, starting the water inlet program to run;
s2, starting water inflow, and starting timing when detecting that the water level frequency signal f has a first inflection point A;
and S3, judging whether the water level frequency signal f has the second inflection point B, if so, ending the timing, calculating the water inflow in unit time according to the water level frequency signal f, and if not, continuing to feed water.
The method for controlling the water inflow of the dish washing machine utilizes the fact that the volume of the water containing cavity is smaller than that of the dish washing machine 1, the change precision of the water level frequency signal f detected in the water inflow process is high, the nodes of the water inflow beginning and ending in the water containing cavity are determined, the water inflow in unit time is obtained, the water inflow process of the dish washing machine 1 is further controlled, and the water inflow precision of the dish washing machine 1 is improved.
Example one
As shown in fig. 1 and 2, the method for controlling water inflow of a dishwasher according to the present embodiment includes the following steps:
s1, starting the water inlet program to run;
s2, starting water inflow, and starting timing when detecting that the water level frequency signal f has a first inflection point A;
and S3, judging whether the water level frequency signal f has the second inflection point B, if so, ending the timing, calculating the water inflow in unit time according to the water level frequency signal f, and if not, continuing to feed water.
The dishwasher 1 comprises a water containing chamber, a water storage cavity with an open top is limited in the water containing chamber, preferably, the dishwasher 1 can comprise an inner container, the inner container forms a washing chamber, a shelf is arranged in the washing chamber, dishes, utensils and other tableware can be placed on the shelf for washing, the water containing chamber is arranged below the inner container, the volume of the water containing chamber is smaller than that of the inner container, washing water or rinsing water is collected in the water containing chamber after entering the inner container, and the washing water or the rinsing water can be pumped out of the water containing chamber by a pump to each spraying arm arranged in the inner container, so that the washing water or the rinsing water can be sprayed to the dishes, the utensils and other tableware accommodated in the shelf under pressure. Because the volume of flourishing water cavity is less, and the precision that detects water level frequency signal f is higher at the in-process of intaking, this embodiment is through judging the flourishing water cavity from the time of intaking to the washing water is full of flourishing water cavity, promptly under the known condition of flourishing water cavity volume, flourishing water cavity ration time that water cavity required, according to the inflow time calculation dish washer 1 unit interval's of flourishing water cavity inflow time.
In detail, as shown in fig. 2, in a water level frequency signal f-time T (f-T) diagram, a water inlet program starts to run, water inlet starts, when a first inflection point a of a water level frequency signal f in a water containing chamber is detected, the water containing chamber is considered to start to feed water, and the dishwasher 1 is controlled to start timing, which is time T1;
judging whether a water level frequency signal f in the water containing cavity has a second inflection point B or not in the water inlet process of the water containing cavity, if so, judging that the water inlet process of the water containing cavity is finished, namely the water containing cavity is filled with washing water, and controlling the dish washing machine 1 to finish timing, wherein the moment is T2;
and the time required by the water containing chamber from the beginning of water inlet to the end of water inlet can be calculated according to the following formula:
ΔT＝T2-T1
due to the constant volume of the water compartment of dishwasher 1, the water inflow Q of the water compartment per unit time can be calculated according to the following formula, assuming that the volume of the water compartment is Q1:
and if the water level frequency signal f in the water containing chamber is not detected to have the second inflection point B, continuing water inflow until the water level frequency signal f in the water containing chamber is detected to have the second inflection point B.
Further, this embodiment passes through pressure sensor real-time detection water level frequency signal f, and pressure sensor sets up in flourishing water cavity, and is preferred, and pressure sensor sets up in the bottom of flourishing water cavity, and the water level frequency signal f that detects is more accurate.
As shown in fig. 1 and 2, when water is not supplied, the pressure sensor does not detect pressure information, the converted water level frequency signal f is the maximum water level frequency, after water is supplied, a part of the washing water of the dishwasher 1 does not enter the water containing chamber immediately, but passes through a certain distance in the inner container of the dishwasher 1, therefore, before the washing water enters the water containing chamber, the water level frequency signal f detected by the dishwasher 1 keeps the maximum water level frequency for a certain time, after the washing water enters the water containing chamber, the pressure sensor detects the pressure information, the converted water level frequency signal f begins to fall, which is the first inflection point a of the water level frequency signal f, when the dishwasher 1 detects the first inflection point a, timing is started, which is the time T1;
when the water containing chamber reaches the maximum volume of the water containing chamber, the reduction of the water level frequency signal f converted by the pressure sensor begins to slow down, the descending trend of the water level frequency signal f change curve gradually slows down, the second inflection point B of the water level frequency signal f is formed, the dishwasher 1 is controlled to finish timing, and the time is T2.
Preferably, the maximum water storage capacity of the water containing chamber is stored in the water inlet program of the dishwasher 1, after the dishwasher 1 judges the node of the water inlet start and end of the water containing chamber, the water inlet time length Δ T required for the water containing chamber to be filled with the washing water is obtained by calculation according to the node, and the water inlet capacity q of the water containing chamber in unit time is obtained by calculating the maximum water storage capacity of the water containing chamber, namely the volume of the water containing chamber, stored in the water inlet program of the dishwasher 1 according to the following formula:
example two
The embodiment provides a method for controlling water inflow of a dishwasher, which is a supplement to the first embodiment.
As shown in fig. 1, a method for controlling water inflow of a dishwasher further includes the following operations before water inflow: the total amount of the inlet water is set,
s4, calculating the residual water inlet time according to the total water inlet amount and the water inlet amount in unit time, and controlling the dishwasher 1 to inlet water according to the residual water inlet time;
and S5, judging whether the residual water inlet time is reached, if so, finishing water inlet, executing the next program according to the program setting, namely executing the residual stage of the washing program, and if not, continuing water inlet.
In detail, the water inlet program starts to run, water inlet starts, when the water level frequency signal f in the water containing chamber is detected to have a first inflection point A, the water containing chamber is considered to start water inlet, the dishwasher 1 is controlled to start timing, and the time is T1;
judging whether a water level frequency signal f in the water containing cavity has a second inflection point B or not in the water inlet process of the water containing cavity, if so, judging that the water inlet process of the water containing cavity is finished, namely the water containing cavity is filled with washing water, and controlling the dish washing machine 1 to finish timing, wherein the moment is T2;
and the time required by the water containing chamber from the beginning of water inlet to the end of water inlet can be calculated according to the following formula:
ΔT＝T2-T1
due to the constant volume of the water compartment in the dishwasher 1, the water inflow Q of the water compartment per unit time can be calculated according to the following formula, assuming that the volume of the water compartment is Q1:
and if the water level frequency signal f in the water containing chamber is not detected to have the second inflection point B, continuing water inflow until the water level frequency signal f in the water containing chamber is detected to have the second inflection point B.
Assuming that the total water inflow amount set by the user or the total water inflow amount in the washing program in the dishwasher 1 is Q2, the accuracy of detecting the water level frequency signal f by the pressure sensor is reduced due to the enlargement of the inner container cavity of the dishwasher 1, and the water inflow amount cannot be directly judged by the method of judging the sampling value of the pressure sensor, so that the total water inflow time T3 required from the water inflow to the total water inflow amount can be calculated by the following formula according to the obtained water inflow amount per unit time:
therefore, the residual water inlet time T4 can be obtained:
T4＝T3-ΔT
controlling the dishwasher 1 to continuously feed water, starting timing, judging whether the residual water feeding time reaches the required residual water feeding time T4, if so, finishing water feeding, executing the next program according to the program setting, namely executing the residual stage of the washing program, and if not, continuously feeding water until the required residual water feeding time T4 is reached, wherein at the moment, the total water feeding amount is the target total water feeding amount set by the final user or the target total water feeding amount preset by the washing program.
EXAMPLE III
The difference between the embodiment and the second embodiment is that:
in this embodiment, it is assumed that the total water inflow amount set by the user or the total water inflow amount in the washing program installed in the dishwasher 1 is Q2, and the water inflow amount exceeding the volume of the water containing chamber is increased due to the enlargement of the inner container of the dishwasher 1, which results in the reduction of the accuracy of detecting the water level frequency signal f by the pressure sensor, and the water inflow amount cannot be directly judged by the method of judging the sampling value of the pressure sensor, so that the required residual water inflow amount Q3 can be calculated according to the maximum water storage amount of the water containing chamber stored in the washing program of the dishwasher 1, that is, the volume of the water containing chamber:
Q3＝Q2-Q1
and then according to the obtained water inflow in unit time, calculating the residual water inflow time T4 required by the water inflow to the required residual water inflow Q3 by adopting the following formula:
controlling the dishwasher 1 to continuously feed water, starting timing, judging whether the residual water feeding time reaches the required residual water feeding time T4, if so, finishing water feeding, executing the next program according to the program setting, namely executing the residual stage of the washing program, and if not, continuously feeding water until the required residual water feeding time T4 is reached, wherein at the moment, the total water feeding amount is the target total water feeding amount set by the final user or the target total water feeding amount preset by the washing program.
Example four
The implementation provides a method for controlling water inflow of a dishwasher 1, which is based on the first embodiment, the second embodiment or the third embodiment, and the following steps are added in step S2:
as shown in fig. 3, step S2 further includes step S20, before the water inlet is started, detecting the water level frequency signal f, determining whether the water level frequency signal f is at the set maximum value, if so, starting the water inlet, if not, executing the water discharging program, after the water discharging is finished, continuing to detect the water level frequency signal f, and repeating the steps until the set maximum value of the water level frequency signal f is detected.
This is because the volume of flourishing water cavity is relatively less, and detection accuracy is higher, so in practical application, if the water drainage trouble appears after the washing process of last time finishes and leads to there being not the water storage of arranging in flourishing water cavity, or last washing process last time last drainage stage because of stopping because of accident and lead to there being a small amount of water to remain, then the water containing cavity water inlet time that dish washer 1 judged will appear the error, will appear the error when calculating the inflow of unit interval according to the water containing cavity maximum volume, these all can influence this time dish washer 1's inflow precision, cause the inflow to be insufficient, influence the washing effect.
Specifically, due to the influence of the detection accuracy and the environmental factors, the maximum value of the water level frequency signal f is not a specific numerical value, but is an interval value, and as long as the detected water level frequency signal f is in the interval, the detected water level frequency signal f can be considered to be at the maximum value.
EXAMPLE five
The embodiment provides a dishwasher inlet control device 10, which is used for implementing, but not limited to, the dishwasher inlet control method according to any one of the first embodiment to the fourth embodiment, as shown in fig. 4, the device comprises,
a water inlet module 101 for supplying washing water into the dishwasher 1;
the water level detection module 102, the water level detection module 102 is used for detecting the water level frequency signal f in the dishwasher 1 in real time in the water inlet process;
the timing module 103, the timing module 103 is used for timing the water inlet time in the water inlet process;
a control module 104, the control module 104 is respectively connected to the water inlet module 101, the water level detection module 102 and the timing module 103, the control module 104 is configured to control the water inlet module 101 to be in a working state when the dishwasher 1 executes a water inlet program, start timing when judging that the water level frequency signal f has a first inflection point a, end timing when judging that the water level frequency signal f has a second inflection point B, calculate a water inlet amount per unit time according to the calculated water inlet amount, calculate a remaining water inlet time according to the total water inlet amount and the water inlet amount per unit time, control the water inlet module 101 to inlet water according to the remaining water inlet time, and control the water inlet module 101 to end water inlet when judging that the remaining water inlet time is reached, execute a next program according to program setting, that is, execute.
Preferably, the water level detection module 102 includes a pressure sensor disposed at the bottom of the water containing chamber.
When water inflow does not start, the pressure sensor does not detect pressure information, the converted water level frequency signal f is the maximum water level frequency, after the water inflow starts, the pressure sensor detects the pressure information, the converted water level frequency signal f starts to fall, and the converted water level frequency signal f is the first inflection point A of the water level frequency signal f;
the water level frequency signal f rapidly decreases along with the increase of inlet water, and when the water containing cavity reaches the maximum water storage capacity, the decrease of the water level frequency signal f converted by the pressure sensor begins to slow down, and the water level frequency signal f is the second inflection point B of the water level frequency signal f.
EXAMPLE six
As shown in fig. 5, the present embodiment provides a dishwasher 1, comprising the dishwasher inlet control device 10 of the fifth embodiment, and further comprising a drainage module.
The dishwasher 1 is used for implementing the dishwasher water inlet control method.
The dishwasher 1 comprises a water containing chamber, and a pressure sensor is arranged at the bottom of the water containing chamber.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method for controlling water inlet of a dish washing machine is characterized in that:
the method comprises the following steps of,
s1, starting the water inlet program to run;
s2, starting water inflow, and starting timing when detecting that the water level frequency signal has a first inflection point;
and S3, judging whether the water level frequency signal has a second inflection point, if so, ending timing, calculating the water inflow in unit time according to the second inflection point, and if not, continuing water inflow.
2. The water inlet control method of a dishwasher according to claim 1, wherein:
and detecting the water level frequency signal in real time through a pressure sensor.
3. The dishwasher inlet control method as set forth in claim 2, wherein:
also included in step S2 is the step of,
the first inflection point is a water level frequency signal when the pressure sensor detects the initial water level pressure information in the dishwasher.
4. The dishwasher inlet control method as set forth in claim 3, wherein:
also included in step S3 is the step of,
the second inflection point is a water level frequency signal of the water level pressure information of the cross-sectional area of the dishwasher at the sudden change of the water level rising direction, which is detected by the pressure sensor.
5. The dishwasher inlet control method according to claim 4, wherein:
the water inflow between the first inflection point and the second inflection point is a fixed value and is stored in a water inflow procedure of the dishwasher.
6. The water inlet control method of a dishwasher according to claim 1, wherein:
before water enters, the following operations are required: setting the total amount of inlet water.
7. The dishwasher inlet control method as set forth in claim 6, wherein: the method further comprises the step of enabling the user to select the target,
s4, calculating the residual water inlet time according to the total water inlet amount and the water inlet amount in unit time, and controlling the dish-washing machine to feed water according to the residual water inlet time;
and S5, judging whether the residual water inlet time is reached, if so, finishing water inlet, executing the next program according to the program setting, namely executing the residual stage of the washing program, and if not, continuing water inlet.
8. The water inlet control method of a dishwasher according to any one of claims 1 to 7, wherein:
also included in step S2 is the step of,
before water inflow begins, whether the water level frequency signal is at a set maximum value is detected, if so, water inflow begins, if not, a water drainage program is executed, and the process is circulated until the set maximum value of the water level frequency signal is detected.
9. A dishwasher for implementing a method of controlling the inflow of water to the dishwasher as claimed in any one of claims 1 to 8.
10. The dishwasher of claim 9, wherein:
the dishwasher comprises a water containing chamber, and the pressure sensor is arranged at the bottom of the water containing chamber.
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