CN114468915A - Tableware cleaning device and control method thereof - Google Patents
Tableware cleaning device and control method thereof Download PDFInfo
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- CN114468915A CN114468915A CN202210130535.5A CN202210130535A CN114468915A CN 114468915 A CN114468915 A CN 114468915A CN 202210130535 A CN202210130535 A CN 202210130535A CN 114468915 A CN114468915 A CN 114468915A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000005406 washing Methods 0.000 claims abstract description 113
- 238000001514 detection method Methods 0.000 claims abstract description 108
- 238000004851 dishwashing Methods 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000007667 floating Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 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
- A47L15/0028—Washing phases
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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
- A47L15/4278—Nozzles
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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
- A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, e.g. turbidity
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
The invention relates to a tableware cleaning device and a control method thereof. Since the turbidity detection is performed only when the dirty water is substantially in a stationary state by the turbidity detection means, the detection accuracy of the turbidity detection means may be affected by floating of the residue in the dirty water on the turbidity detection means. Therefore, after the turbidity detection piece is static for the first preset time, the turbidity detection piece is not started immediately for carrying out turbidity detection, but the turbidity detection piece is controlled to work to carry out turbidity detection after the surface residues of the turbidity detection piece are cleared and then the turbidity detection piece is static for the second preset time to obtain a turbidity judgment value. Thereby improving the accuracy of turbidity detection and improving the washing effect.
Description
Technical Field
The invention relates to the technical field of tableware cleaning devices, in particular to a tableware cleaning device and a control method thereof.
Background
With the development of the intellectualization of the tableware cleaning device, the tableware cleaning mode can be intelligently selected according to the pollution degree of the tableware. The turbidity is a judgment index for showing the degree of tableware contamination. The cleaning device is filled with cleaning water to wash the dirt on the tableware to obtain the dirt water, and the pollution degree of the tableware can be preliminarily judged by checking the turbidity of the dirt water. The higher the pollution degree is, the more powerful cleaning mode can be intelligently selected. Therefore, the accuracy of turbidity detection directly determines the washing effect of the washing device, and how to improve the accuracy of turbidity detection becomes an important direction for research.
Disclosure of Invention
The invention provides a washing and cleaning device and a control method thereof, aiming at the problem of improving the accuracy of turbidity detection, so as to improve the accuracy of turbidity detection and improve the washing effect.
A method of controlling a dishwashing device, the dishwashing device including a washing chamber having a turbidity sensing element disposed therein, the method comprising the steps of:
after the prewashing stage is finished, standing for a first preset time;
clearing residues on the surface of the turbidity detection piece after waiting for a first preset time;
and after removing the residues on the surface of the turbidity detection piece, standing for a second preset time, and controlling the turbidity detection piece to work to obtain a turbidity judgment value.
The scheme provides a control method of the tableware cleaning device, and firstly, after the pre-washing stage is finished, the tableware cleaning device stands still for a first preset time, so that the dirty water is approximately in a static state, and the detection accuracy of the turbidity detection piece is prevented from being influenced by the vibration of water waves. Since the turbidity detection is performed only when the dirty water is substantially in a stationary state by the turbidity detection means, the detection accuracy of the turbidity detection means may be affected by floating of the residue in the dirty water on the turbidity detection means. Therefore, after the turbidity detection piece is static for the first preset time, the turbidity detection piece is not started immediately for carrying out turbidity detection, but the turbidity detection piece is controlled to work to carry out turbidity detection after the surface residues of the turbidity detection piece are cleared and then the turbidity detection piece is static for the second preset time to obtain a turbidity judgment value. Thereby improving the accuracy of turbidity detection and improving the washing effect.
In one embodiment, the dish washing device further comprises a detection piece washing pump for spraying water to the turbidity detection piece, and the step of removing the residue on the surface of the turbidity detection piece comprises the following steps:
and intermittently starting the detection piece cleaning pump.
In one embodiment, said intermittently activating said detector wash pump comprises the steps of:
and controlling the cleaning pump of the detection piece to start once at an interval of 2s, and circulating 5 times in this way.
In one embodiment, the first preset time period is 30 s;
and/or the second preset time is 10 s.
In one embodiment, the pre-wash stage comprises the steps of:
s1, injecting washing water into the washing cavity;
s2, pumping the cleaning water into the spray arm by using the washing pump so that the cleaning water washes dirt on the surface of the tableware, and the cleaning water is changed into dirt water.
In one embodiment, after the step S1 and before the step S2, the method further comprises the following steps:
and after standing for a third preset time, controlling the turbidity detection piece to work to obtain a turbidity calibration value.
In one embodiment, the control method further comprises the steps of:
and determining a turbidity value according to the turbidity calibration value and the turbidity judgment value, and selecting a washing mode according to the turbidity value, wherein the larger the turbidity of the dirty water displayed by the turbidity value is, the longer the subsequent washing time corresponding to the selected washing mode is.
A dish washing apparatus comprising:
a washing chamber;
the turbidity detection piece is arranged in the washing cavity;
and the detection piece cleaning pump is used for spraying water to the turbidity detection piece.
The above-mentioned scheme provides a tableware washing device, the said detection piece cleaning pump that is set up can spray water to the said turbidity detection piece, wash away the residue that may be attached to the surface of the said turbidity detection piece. Therefore, the residue is prevented from floating on the turbidity detection piece, and the detection accuracy of the turbidity detection piece is prevented from being influenced. The washing effect of the tableware washing device is finally improved by improving the detection accuracy of the turbidity detection piece.
In one embodiment, the dish washing apparatus further comprises:
the spray arm is arranged in the washing cavity and is used for spraying water to the tableware in the washing cavity;
and the washing pump is used for pumping water to the spray arm.
In one embodiment, the bottom of the washing chamber is provided with a water tank having a total water inlet for introducing washing water and a total water outlet for discharging contaminated water, the inlet of the detection member washing pump is communicated with the water tank, and/or the inlet of the washing pump is communicated with the water tank.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart illustrating a method for controlling a dish washing apparatus according to the present embodiment;
FIG. 2 is a schematic view of a part of the dish washing device according to the present embodiment;
FIG. 3 is a schematic view of the structure of the water tank of the dish washing device according to this embodiment.
Description of reference numerals:
10. a tableware washing device; 11. a washing chamber; 12. a turbidity detecting member; 13. the detection part is used for cleaning the pump; 14. a water tank; 141. a main water inlet; 142. a main water discharge port; 15. and (4) a spray arm.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In one embodiment, as shown in fig. 1, a method for controlling a dish washing apparatus 10 is provided, and specifically, as shown in fig. 2 and 3, the dish washing apparatus 10 includes a washing chamber 11, a turbidity detecting member 12 is disposed in the washing chamber 11, and the method includes the following steps:
after the prewashing stage is finished, standing for a first preset time;
clearing residues on the surface of the turbidity detection piece 12 after waiting for a first preset time;
and after removing the residues on the surface of the turbidity detection piece 12, standing for a second preset time, and controlling the turbidity detection piece 12 to work to obtain a turbidity judgment value.
According to the control method of the tableware cleaning device 10 provided by the scheme, firstly, after the pre-washing stage is finished, the tableware cleaning device stands still for the first preset time, so that the dirty water is approximately in a static state, and the detection accuracy of the turbidity detection piece 12 is prevented from being influenced by the vibration of water waves. Since the turbidity detection is performed only when the dirty water is substantially still by the turbidity detection unit 12, the detection accuracy of the turbidity detection unit 12 may be affected by floating of the residue in the dirty water on the turbidity detection unit 12. Therefore, after the turbidity detection part 12 is stationary for the first preset time, the turbidity detection part 12 is not started immediately for turbidity detection, but the turbidity detection part 12 is controlled to work to perform turbidity detection after waiting for the removal of the residue on the surface of the turbidity detection part 12 and then standing for the second preset time, so as to obtain a turbidity determination value. Thereby improving the accuracy of turbidity detection and improving the washing effect.
Specifically, in one embodiment, as shown in FIGS. 2 and 3, the dish washing device 10 further includes a check wash pump 13, the check wash pump 13 being configured to spray water onto the turbidity check 12. In other words, the inspection piece cleaning pump 13 can spray water to wash the surface of the turbidity inspection piece 12 when activated, thereby removing the residue floating on the surface of the turbidity inspection piece 12.
On the basis of the dish washing device 10, the step of removing the residue on the surface of the turbidity detecting member 12 comprises the following steps:
the detector purge pump 13 is intermittently activated.
The detection piece cleaning pump 13 is intermittently started, and then water is intermittently sprayed to the turbidity detection piece 12 to wash the residues on the surface of the turbidity detection piece 12.
Of course, in other embodiments, the turbidity detecting member 12 may be cleaned in other manners. For example, a large amount of bubbles are formed on the surface of the turbidity detecting member 12, so that when the bubbles burst, the residue on the surface of the turbidity detecting member 12 can be removed.
Further, in one embodiment, the step of removing the residue on the surface of the turbidity detecting member 12 comprises the following steps:
intermittently starting the detecting member cleaning pump 13;
and said intermittent activation of said detection member washing pump 13 comprises the steps of:
the interval 2s controls the test piece cleaning pump 13 to be started once, and the cycle is repeated for 5 times.
After standing for a first preset time, the detection piece cleaning pump 13 sprays water to the turbidity detection piece 12 once every 2s, after 5 times of repetition, the detection piece cleaning pump 13 stops, and after standing for a second preset time, the turbidity detection piece 12 works and detects to obtain a turbidity judgment value.
Further specifically, in one embodiment, the first preset time period is 30 s.
After the prewashing stage is finished, the turbidity detecting member 12 is cleaned after waiting for 30 s.
Similarly, in some embodiments, the second preset time period is 10 s.
After the residue on the surface of the turbidity detection piece 12 is removed, the dirty water is rested after 10 seconds, the turbidity detection piece 12 is controlled to work, and the turbidity judgment value of the dirty water at the moment is detected.
Further specifically, in one embodiment, the pre-wash stage comprises the steps of:
s1, injecting washing water into the washing chamber 11;
s2, the washing water is pumped into the spray arm 15 by the washing pump, so that the washing water washes dirt on the surface of the tableware, and the washing water is changed into dirt water.
After the pre-washing stage is finished, the oil stains and residues on the tableware are basically washed and mixed into the cleaning water, and the turbidity judgment value of the oil stains can reflect the real pollution degree of the tableware.
Further, in one embodiment, after the step S1 and before the step S2, the method further comprises the following steps:
and after standing for a third preset time, controlling the turbidity detection piece 12 to work to obtain a turbidity calibration value.
In other words, after the washing water is injected, the washing water does not wash the dishes at this time. The turbidity calibration value obtained at the moment can be understood as a reference value, and compared with a turbidity judgment value obtained later, a more accurate turbidity value can be obtained for judging the pollution degree of the tableware.
Specifically, the third preset time period may be 30 s.
After the pre-wash stage is started, the rest is stopped for 30s after the washing water is injected into the washing chamber 11. If wash water is pumped into the wash chamber 11 by a drive such as a water pump, the water pump needs to be stopped after the wash water injection is completed. If the washing water is introduced into the washing chamber 11 under the pressure in the tap water pipe, the dish washing apparatus 10 has a switch member for controlling the injection of the washing water, which is turned off when the injection of the washing water is completed.
After the washing water is kept still for 30s, the turbidity detection part 12 starts to detect the data as the turbidity calibration value.
When the turbidity detecting member 12 detects the turbidity calibration value, the washing pump is started, and the spray arm 15 sprays water to wash the dishes. After the pre-washing stage is finished, the dirt on the tableware is approximately washed and mixed in the water to form the dirt water. After the prewashing stage is finished, standing for 30 s. After this resting phase, the test piece washing pump 13 is started. Specifically, the test piece washing pump 13 is started once every 2s, and this is repeated 5 times. After repeating for 5 times, the operation of the detecting member cleaning pump 13 is stopped, and then the state is set to a static state. After standing for 10 seconds, the turbidity detecting element 12 starts detecting data as the turbidity determination value.
Further, in one embodiment, the control method further comprises the steps of:
and determining a turbidity value according to the turbidity calibration value and the turbidity judgment value, and selecting a washing mode according to the turbidity value, wherein the larger the turbidity of the dirty water displayed by the turbidity value is, the longer the subsequent washing time corresponding to the selected washing mode is.
The larger the turbidity of the dirty water displayed by the turbidity value is, the longer the tableware is cleaned, and the washing mode is intelligently controlled according to the amount of the dirty water on the tableware.
Specifically, in some embodiments, the turbidity value is a turbidity decision value/turbidity calibration value.
It can be understood that the larger the difference between the turbidity determination value and the turbidity calibration value, the larger the water quality change before and after the surface pre-washing stage, which further indicates that the more stains are on the tableware, and therefore the longer the time period required for washing.
Specifically, in one embodiment, the dish washing device 10 has four wash modes, wash mode A1, wash mode A2, wash mode A3, and wash mode A4. Assuming that the main wash phase duration of the wash mode a2 is a normal duration, the main wash phase duration of the wash mode a1 is shorter relative to the main wash phase duration of the wash mode a2, the main wash phase duration of the wash mode A3 is extended relative to the main wash phase duration of the wash mode a2, and the main wash phase duration of the wash mode a4 is identical to the main wash phase duration of the wash mode A3, but the wash mode a4 adds one rinse phase relative to the wash mode A3. In summary, the subsequent washing periods of the washing pattern a1, the washing pattern a2, the washing pattern A3, and the washing pattern a4 are sequentially increased.
And correspondingly selecting different washing modes when the turbidity values are in different range values.
Further, the control method further includes the steps of:
selecting a washing mode A1 if the turbidity value is between S1 and S2;
selecting a washing mode A2 if the turbidity value is between S3 and S4;
selecting a washing mode A3 if the turbidity value is between S5 and S6;
and if the turbidity value is in the range of S7-S8, selecting a washing mode A4, wherein S1 is more than S2 and more than S3 is more than S4.
The values of S1, S2, S3, and S4 may be set according to the actual situation of the user, and are not limited herein.
Further, in some embodiments, the pre-wash stage, after step S1, further includes the step of activating a heating element to heat water in the wash chamber 11.
While the washing pump is in operation, the heating element is activated so that the spray arm 15 sprays hot water to the dishes.
Further, in another embodiment, there is provided a dish washing apparatus 10, as shown in fig. 2 and 3, comprising:
a washing chamber 11;
a turbidity detecting member 12, the turbidity detecting member 12 being provided in the washing chamber 11;
and the detection piece cleaning pump 13, wherein the detection piece cleaning pump 13 is used for spraying water to the turbidity detection piece 12.
In the dish washing apparatus 10 according to the above aspect, the detection material washing pump 13 is provided to spray water to the turbidity detection material 12, and to wash away residues that may adhere to the surface of the turbidity detection material 12. Thereby avoiding the residue floating on the turbidity detecting member 12 and affecting the detection accuracy of the turbidity detecting member 12. The washing effect of the dish washing device 10 is improved by improving the detection accuracy of the turbidity detecting element 12.
Specifically, as shown in fig. 2, a water tank 14 is provided at the bottom of the washing chamber 11, and the water tank 14 has a total water inlet 141 for introducing washing water and a total water outlet 142 for discharging contaminated water. The outside washing water first enters the water tub 14 from the total water inlet 141 and then fills the other portions of the washing chamber 11. And discharging the dirty water obtained after final washing from the water outlet. The water tank 14 and the washing chamber 11 are two spaces communicated with each other.
In some embodiments, the turbidity detecting element 12 is disposed in the water reservoir 14.
Further, the detector cleaning pump 13 is also disposed in the water tank 14, an inlet of the detector cleaning pump 13 is communicated with the water tank 14, and an outlet of the detector cleaning pump 13 faces the turbidity detector 12. The test piece washing pump 13 is activated, and water sucked into the water tank 14 is then sprayed to the surface of the turbidity test piece 12 so that water is always circulated in the water tank.
Of course, alternatively, the inlet of the detecting member cleaning pump 13 may be externally connected with a water circuit. When the residue on the surface of the turbidity detecting element 12 needs to be removed, the detecting element cleaning pump 13 pumps the outside water into the washing cavity to flush the surface of the turbidity detecting element 12.
As shown in fig. 2 and 3, in some embodiments, the dish washing device 10 further comprises:
a spray arm 15 disposed in the washing chamber 11 for spraying water to the dishes in the washing chamber 11;
a washing pump for pumping water to the spray arm 15.
The washing pump is dedicated to washing water, and the detection piece cleaning pump 13 is used for removing residues on the surface of the turbidity detection piece 12.
In particular, the residue in this application may be food residue or the like that is washed off the tableware.
Further, in one embodiment, the inlet of the wash pump is in communication with the water tank 14.
During the washing process, the washing pump is activated to pump the water in the water tank 14 into the spray arm 15, so that the spray arm 15 sprays water to the dishes in the washing chamber 11 to wash the surfaces of the dishes.
Further, in one embodiment, the dish washing device 10 further comprises a control module electrically connected to the turbidity detecting element 12 and the detecting element washing pump 13 for controlling the operation of the turbidity detecting element 12 and the detecting element washing pump 13 according to the aforementioned control method.
Further, in one embodiment, the control module is further electrically connected to the washing pump. In the prewash stage. The washing pump, the turbidity detection part 12 and the detection part cleaning pump 13 are controlled by the control module and operate according to the control method.
Further, the spray arm 15 is rotatably disposed in the washing chamber 11. The spray arm is electrically connected with the control module, and when the spray arm 15 sprays water, the control module controls the spray arm 15 to spray water while rotating.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of controlling a dishwashing device, the dishwashing device including a washing chamber having a turbidity sensing element disposed therein, the method comprising the steps of:
after the prewashing stage is finished, standing for a first preset time;
clearing residues on the surface of the turbidity detection piece after waiting for a first preset time;
and after removing the residues on the surface of the turbidity detection piece, standing for a second preset time, and controlling the turbidity detection piece to work to obtain a turbidity judgment value.
2. The method of controlling a dish washing device according to claim 1, further comprising a detection member washing pump for spraying water to the turbidity detection member, wherein the step of removing the surface residue on the turbidity detection member comprises the steps of:
and intermittently starting the detection piece cleaning pump.
3. The method of claim 2, wherein the intermittently activating the detector wash pump comprises the steps of:
and controlling the cleaning pump of the detection piece to start once at an interval of 2s, and circulating 5 times in this way.
4. The method of claim 1, wherein the first predetermined period of time is 30 s;
and/or the second preset time is 10 s.
5. Method for controlling a dishwashing device according to any one of claims 1 to 4, wherein the pre-wash phase comprises the following steps:
s1, injecting washing water into the washing cavity;
s2, pumping the cleaning water into the spray arm by using the washing pump so that the cleaning water washes dirt on the surface of the tableware, and the cleaning water is changed into dirt water.
6. The method of controlling a dish washing apparatus according to claim 5, further comprising the steps of, after the step S1 and before the step S2:
and after standing for a third preset time, controlling the turbidity detection piece to work to obtain a turbidity calibration value.
7. The method of controlling a dish washing apparatus according to claim 6, further comprising the steps of:
and determining a turbidity value according to the turbidity calibration value and the turbidity judgment value, and selecting a washing mode according to the turbidity value, wherein the larger the turbidity of the dirty water displayed by the turbidity value is, the longer the subsequent washing time corresponding to the selected washing mode is.
8. A dish washing apparatus, comprising:
a washing chamber;
the turbidity detection piece is arranged in the washing cavity;
and the detection piece cleaning pump is used for spraying water to the turbidity detection piece.
9. The dish washing apparatus as recited in claim 8 further comprising:
the spray arm is arranged in the washing cavity and is used for spraying water to the tableware in the washing cavity;
and the washing pump is used for pumping water to the spray arm.
10. The dish washing apparatus as claimed in claim 9, wherein a water tank is provided at the bottom of the washing chamber, the water tank having a total water inlet for introducing washing water and a total water outlet for discharging contaminated water, and an inlet of the detection member washing pump is communicated with the water tank and/or an inlet of the washing pump is communicated with the water tank.
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| CN202210130535.5A CN114468915B (en) | 2022-02-11 | 2022-02-11 | Tableware cleaning device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210130535.5A CN114468915B (en) | 2022-02-11 | 2022-02-11 | Tableware cleaning device and control method thereof |
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| CN114468915A true CN114468915A (en) | 2022-05-13 |
| CN114468915B CN114468915B (en) | 2023-11-24 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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