CN113367629B - Dishwasher and spraying detection control method thereof - Google Patents

Dishwasher and spraying detection control method thereof Download PDF

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Publication number
CN113367629B
CN113367629B CN202110666580.8A CN202110666580A CN113367629B CN 113367629 B CN113367629 B CN 113367629B CN 202110666580 A CN202110666580 A CN 202110666580A CN 113367629 B CN113367629 B CN 113367629B
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Prior art keywords
controller
strain gauge
resistance value
dishwasher
spray arm
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CN202110666580.8A
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CN113367629A (en
Inventor
麦伟添
潘叶江
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Vatti Co Ltd
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Vatti Co Ltd
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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
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • 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
    • 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
    • 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
    • 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
    • A47L15/4295—Arrangements for detecting or measuring the condition of the crockery or tableware, e.g. nature or quantity
    • 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
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/501—Baskets, e.g. for conveyor-type, in-sink type or hood-type machines
    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/502—Cutlery baskets
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/24—Spray arms status, e.g. detection of spray arm rotation
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

The invention discloses a dish washer and a spraying detection control method thereof, wherein the dish washer comprises a dish washer body, a spray arm and a strain gauge are arranged in an inner cavity of the dish washer body, the strain gauge is positioned in a spraying range of the spray arm, and the strain gauge is electrically connected with a controller for receiving and analyzing resistance values. According to the dishwasher, the resistance difference value of the strain gauge, which changes before and after spraying of the spray arm, is detected, so that whether the spray arm of the dishwasher body sprays normally or not is analyzed and judged, and whether the dishwasher sprays normally or not is obtained. The detection is convenient and the detection is accurate. The invention is applied to the technical field of dish washers.

Description

Dishwasher and spraying detection control method thereof
Technical Field
The invention relates to the technical field of dish washers, in particular to a dish washer and a spraying detection control method thereof.
Background
Dish washer is a household kitchen appliance to replace the manual washing of dishes or cooking utensils such as bowls, plates, dishes, cups, spoons, chopsticks, cutlery, pots, shovels, etc. Dish washers are increasingly used and the functions provided are also becoming more and more sophisticated.
The dish washer generally adopts the shower nozzle that sprays hot water and cleaner to wash the bowl utensil, and in the cleaning process, the mixed residue of cleaning solution falls into dish washer together, and the residue is very easy to spray the hole and block up, influences the normal washing of dish washer.
In the prior art, the spraying effect of the dish washer cannot be detected.
Disclosure of Invention
First, the technical problem to be solved
A dish washer and a spray detection control method thereof solve the technical problem that the dish washer in the prior art cannot detect the spray effect.
(II) technical scheme
In order to solve the technical problems, the invention provides a dish washer, which comprises a dish washer body, wherein a spray arm and a strain gauge are arranged in an inner cavity of the dish washer body, the strain gauge is positioned in a spray range of the spray arm, and the strain gauge is electrically connected with a controller for receiving and analyzing resistance values.
Further improved, the number of the strain gauges is at least two, and each strain gauge is uniformly distributed on the top of the inner cavity of the dish-washing machine body.
Further improved, a bowl rack is arranged in the inner cavity of the dish washer body, and a weighing sensor is arranged on the bowl rack;
the spray arm is connected with a water inlet valve and a booster pump;
and the weighing sensor, the water inlet valve and the booster pump are respectively and electrically connected with the controller.
Further improved, the spray arm comprises an upper spray arm and a lower spray arm, the upper spray arm is located above the bowl rack, the lower spray arm is located below the bowl rack, and the strain gauge is located in the spraying range of the upper spray arm.
The spraying detection control method of the dish washer comprises the following steps:
when no tableware exists in the dishwasher body, the controller records a first resistance value of the strain gauge in a mechanical deformation-free state;
starting a spray arm of the dish washer body, and recording a second resistance value of the strain gauge in a mechanical deformation state by the controller;
subtracting the first resistance value from the second resistance value to obtain a resistance difference value, and if the resistance difference value is smaller than the set resistance difference value, indicating that the spraying of the dish washer body is abnormal; if the resistance difference is larger than or equal to the set resistance difference, the dishwasher body is normally sprayed.
Further improved, when no tableware is in the dishwasher body, the controller records the average first resistance value of the strain gauge in the mechanical deformation-free state;
starting a spray arm of the dish washer body, and recording an average second resistance value of the strain gauge in a mechanical deformation state by the controller;
subtracting the average first resistance value from the average second resistance value to obtain a resistance difference value, and if the resistance difference value is smaller than the set resistance difference value, indicating that the spraying of the dish washer body is abnormal; if the resistance difference is larger than or equal to the set resistance difference, the dishwasher body is normally sprayed.
Further improved, the weight of the bowl rack is detected through the weighing sensor, if the detected weight of the bowl rack is smaller than the set weight, no tableware exists in the bowl rack, and the controller starts to record a first resistance value of the strain gauge in a mechanical deformation-free state; if the detected weight of the bowl rack is greater than or equal to the set weight, the bowl rack is provided with tableware, and the controller does not record the first resistance value of the strain gauge in the mechanical deformation-free state.
Further improved, the controller is preset with a set weight, and after the controller judges that no tableware exists in the bowl rack, the controller starts to record a first resistance value of the strain gauge in a mechanical deformation-free state; after the controller judges that tableware is arranged in the bowl rack, the controller does not record a first resistance value of the strain gauge in a mechanical deformation-free state, and the controller controls the dish washer body to send out a first alarm signal.
Further improved, a preset resistance difference value is preset in the controller, if the resistance difference value is smaller than the preset resistance difference value, the abnormal spraying of the dish-washing machine body is indicated, and the controller controls the dish-washing machine body to send out a second alarm signal.
Further improved, the controller controls the opening of the water inlet valve and starts the booster pump to start the spray arm of the dishwasher body.
(III) beneficial effects
According to the dish washer and the spraying detection control method thereof, the strain gauge is arranged in the inner cavity of the inner body of the dish washer, when no tableware exists in the inner body of the dish washer, the first resistance value of the strain gauge spray arm in the mechanical deformation state and the second resistance value of the spray arm in the mechanical deformation state are detected respectively, the resistance difference value is subtracted from the second resistance value, the resistance difference value is compared with the set resistance difference value, and if the resistance difference value is smaller than the set resistance difference value, abnormal spraying of the dish washer body is indicated; if the resistance difference is larger than or equal to the set resistance difference, the dishwasher body is normally sprayed. The set resistance value is preset in the controller, the controller can receive and analyze the first resistance value and the second resistance value, and the controller can also control the dish washer body to send out a first alarm signal.
According to the dishwasher, the resistance difference value of the strain gauge, which changes before and after spraying of the spray arm, is detected, so that whether the spray arm of the dishwasher body sprays normally or not is analyzed and judged, and whether the dishwasher sprays normally or not is obtained. The detection is convenient and the detection is accurate.
Drawings
FIG. 1 is a schematic view showing a structure of a dishwasher in accordance with an embodiment of the present invention;
FIG. 2 is a diagram showing the position of the strain gage and the upper spray arm according to an embodiment of the invention;
fig. 3 is a flowchart of a spray detection control method according to an embodiment of the invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, a dishwasher comprises a dishwasher body, wherein an inner cavity 1 of the dishwasher body is provided with a spray arm and a strain gauge 2, the strain gauge 2 is positioned in a spray range of the spray arm, and the strain gauge 2 is electrically connected with a controller 3 for receiving and analyzing resistance values.
According to the dish washer, the strain gauge 2 is arranged in the inner cavity 1 of the inner body of the dish washer, when no tableware is arranged in the inner body of the dish washer, the first resistance value of the strain gauge 2 in the state that the spray arm does not have mechanical deformation and the second resistance value of the spray arm in the state that the spray arm does not have mechanical deformation are detected respectively, the resistance difference value is subtracted from the second resistance value, the resistance difference value is compared with the set resistance difference value, and if the resistance difference value is smaller than the set resistance difference value, abnormal spraying of the dish washer body is indicated; if the resistance difference is larger than or equal to the set resistance difference, the dishwasher body is normally sprayed. The set resistance value is preset in the controller 3, the controller 3 can receive and analyze the first resistance value and the second resistance value, and the controller 3 can also control the dish washer body to send out a first alarm signal.
The dish washer of this embodiment is through the detection of the resistance difference that corresponds foil gage 2 and spray before and after the spray arm sprays to the analysis judges that dish washer body spray arm sprays normally, and then obtains whether dish washer sprays normally. The detection is convenient and the detection is accurate.
Further, in an embodiment, the number of the strain gauges 2 is at least two, and each strain gauge 2 is uniformly distributed on the top of the inner cavity 1 of the dishwasher body. By arranging the strain gauges 2, a plurality of first resistance values and a plurality of second resistance values can be detected respectively, an average first resistance value is obtained through the plurality of first resistance values, and an average second resistance value is obtained through the plurality of second resistance values, so that the resistance difference is more accurate.
Further, in an embodiment, the inner cavity 1 of the dishwasher body is provided with a bowl rack 4, and the bowl rack 4 is provided with a weighing sensor 5;
the spray arm is connected with a water inlet valve 6 and a booster pump 7;
the weighing sensor 5, the water inlet valve 6 and the booster pump 7 are respectively and electrically connected with the controller 3. Whether tableware exists in the bowl rack 4 or not is detected through the weighing sensor 5, and detection is convenient. The control elements of the weighing sensor 5, the water inlet valve 6 and the booster pump 7 are respectively integrated on the controller 3, so that the space and the structure are saved. The controller 3 is used for uniformly controlling the opening and closing of the weighing sensor 5, the water inlet valve 6 and the booster pump 7, and the controller 3 is used for receiving and analyzing the resistance value of the strain gauge 2, so that the control is convenient. When the spray arm needs to be started, the water inlet valve 6 and the booster pump 7 are controlled to be opened by the controller 3.
Further, in an embodiment, the spray arm includes an upper spray arm 8 and a lower spray arm 9, the upper spray arm 8 is located above the bowl rack 4, the lower spray arm 9 is located below the bowl rack 4, and the strain gauge 2 is located within a spraying range of the upper spray arm 8. Specifically, an upper spray opening 81 and a lower spray opening 82 are formed in the upper spray arm 8, a spray opening 91 is formed in the lower spray arm 9, the upper spray arm 8 and the lower spray arm 9 are respectively connected with a spray pipeline 101, each spray pipeline 101 is respectively connected with a water inlet pipeline 102, and the water inlet valve 6 and the booster pump 7 are arranged on the water inlet pipeline 102. Wherein the strain gauge 2 is electrically connected with the controller 3 through a connecting wire.
The spraying detection control method of the dish washer comprises the following steps:
when no tableware exists in the dishwasher body, the controller 3 records a first resistance value of the strain gauge 2 in a mechanical deformation-free state;
starting a spray arm of the dishwasher body, wherein the controller 3 records a second resistance value of the strain gauge 2 in a mechanical deformation state;
subtracting the first resistance value from the second resistance value to obtain a resistance difference value, and if the resistance difference value is smaller than the set resistance difference value, indicating that the spraying of the dish washer body is abnormal; if the resistance difference is larger than or equal to the set resistance difference, the dishwasher body is normally sprayed.
According to the spraying detection control method of the dish-washing machine, the resistance difference value of the strain gauge 2, which changes before and after spraying of the spray arm, is detected, so that whether the spray arm of the dish-washing machine body sprays normally or not is analyzed and judged, whether the dish-washing machine sprays normally or not is further obtained, the detection is convenient, and the detection is accurate.
Further, in one embodiment, the controller 3 records the average first resistance value of the strain gauge 2 in the absence of mechanical deformation when no tableware is present in the dishwasher body;
starting a spray arm of the dishwasher body, wherein the controller 3 records an average second resistance value of the strain gauge 2 in a mechanical deformation state;
subtracting the average first resistance value from the average second resistance value to obtain a resistance difference value, and if the resistance difference value is smaller than the set resistance difference value, indicating that the spraying of the dish washer body is abnormal; if the resistance difference is larger than or equal to the set resistance difference, the dishwasher body is normally sprayed. By averaging the first resistance value and the second resistance value, a more accurate resistance difference can be obtained. The plurality of strain gages 2 may be provided, the average first resistance value may be obtained from the first resistance values of the plurality of strain gages 2, and the average second resistance value may be obtained from the second resistance values of the plurality of strain gages 2.
Further, in an embodiment, the weight of the bowl rack 4 is detected by the weighing sensor 5, if the detected weight of the bowl rack 4 is smaller than the set weight, the bowl rack 4 is free of tableware, and the controller 3 starts to record the first resistance value of the strain gauge 2 in the state of no mechanical deformation; if the detected weight of the bowl rack 4 is greater than or equal to the set weight, the bowl rack 4 is provided with tableware, and the controller 3 does not record the first resistance value of the strain gauge 2 in the mechanical deformation-free state. Whether tableware exists in the bowl rack 4 or not is detected through the weighing sensor 5, and detection is convenient. The set weight may be obtained empirically or by multiple tests.
Further, in an embodiment, a preset weight is preset in the controller 3, and after the controller 3 determines that no tableware is in the bowl rack 4, the controller 3 starts to record the first resistance value of the strain gauge 2 in the non-mechanical deformation state; after the controller 3 judges that the tableware is arranged in the bowl rack 4, the controller 3 does not record the first resistance value of the strain gauge 2 in the mechanical deformation-free state, and the controller 3 controls the dish washer body to send out a first alarm signal to prompt the staff to clean the tableware.
Further, in an embodiment, a preset resistance difference value is preset in the controller 3, if the resistance difference value is smaller than the preset resistance difference value, the abnormal spraying of the dishwasher body is indicated, and the controller 3 controls the dishwasher body to send out a second alarm signal to prompt a worker to process.
Further, in an embodiment, the controller 3 controls the opening of the water inlet valve 6, and activates the booster pump 7 to activate the spray arm of the dishwasher body, so that the control is convenient.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (10)

1. The dish-washing machine is characterized by comprising a dish-washing machine body, wherein a spray arm and a strain gauge are arranged in an inner cavity of the dish-washing machine body, the strain gauge is positioned in a spraying range of the spray arm, and the strain gauge is electrically connected with a controller for receiving and analyzing resistance values;
when no tableware exists in the dishwasher body, the controller records a first resistance value of the strain gauge in a mechanical deformation-free state, and when the spray arm of the dishwasher body is started, the controller records a second resistance value of the strain gauge in a mechanical deformation state; the controller determines the spraying state of the dish-washing machine body according to the resistance difference value between the second resistance value and the first resistance value and the set resistance difference value, wherein the spraying state of the dish-washing machine body comprises abnormal and normal states.
2. The dishwasher of claim 1, wherein the number of strain gauges is at least two, each strain gauge being evenly distributed on top of the interior cavity of the dishwasher body.
3. The dishwasher of claim 1, wherein a bowl rack is provided in an inner cavity of the dishwasher body, and a weighing sensor is provided on the bowl rack;
the spray arm is connected with a water inlet valve and a booster pump;
the weighing sensor, the water inlet valve and the booster pump are respectively and electrically connected with the controller.
4. A dishwasher according to claim 3, wherein the spray arms comprise an upper spray arm and a lower spray arm, the upper spray arm being located above the bowl rack, the lower spray arm being located below the bowl rack, the strain gauge being located within the spray range of the upper spray arm.
5. A spray detection control method of a dishwasher according to any one of claims 1 to 4, comprising the steps of:
when no tableware exists in the dishwasher body, the controller records a first resistance value of the strain gauge in a mechanical deformation-free state;
starting a spray arm of the dish washer body, and recording a second resistance value of the strain gauge in a mechanical deformation state by the controller;
subtracting the first resistance value from the second resistance value, and if the resistance value is smaller than a set resistance value, indicating that the spraying of the dishwasher body is abnormal; and if the resistance difference value is larger than or equal to the set resistance difference value, the dishwasher body is normally sprayed.
6. The spray detection control method according to claim 5, wherein the controller records an average first resistance value of the strain gauge in a state of no mechanical deformation when the tableware is not present in the dishwasher body;
starting the spray arm of the dishwasher body, and recording an average second resistance value of the strain gauge in a mechanical deformation state by the controller;
subtracting the average first resistance value from the average second resistance value to obtain the resistance difference, and if the resistance difference is smaller than the set resistance difference, indicating that the spraying of the dishwasher body is abnormal; and if the resistance difference value is larger than or equal to the set resistance difference value, the dishwasher body is normally sprayed.
7. The shower detection control method according to claim 5, wherein a weight of a bowl rack is detected by a load cell, and if the detected weight of the bowl rack is less than a set weight, the detected weight of the bowl rack indicates that no tableware is present in the bowl rack, and the controller starts to record the first resistance value of the strain gauge in a state where no mechanical deformation occurs; and if the detected weight of the bowl rack is greater than or equal to the set weight, indicating that the tableware is arranged in the bowl rack, wherein the controller does not record the first resistance value of the strain gauge in the non-mechanical deformation state.
8. The shower detection control method according to claim 7, wherein the set weight is preset in the controller, and the controller starts to record the first resistance value of the strain gauge in the state of no mechanical deformation after the controller judges that the tableware is not present in the bowl rack; after the controller judges that the tableware is arranged in the bowl rack, the controller does not record the first resistance value of the strain gauge in the state of no mechanical deformation, and the controller controls the dish washer body to send out a first alarm signal.
9. The spray detection control method according to any one of claims 5 to 8, wherein the set resistance difference is preset in the controller, if the resistance difference is smaller than the set resistance difference, the abnormal spray of the dishwasher body is indicated, and the controller controls the dishwasher body to send out a second alarm signal.
10. The spray detection control method according to any one of claims 5 to 8, wherein the controller controls opening of a water inlet valve, activating a booster pump to activate the spray arm of the dishwasher body.
CN202110666580.8A 2021-06-16 2021-06-16 Dishwasher and spraying detection control method thereof Active CN113367629B (en)

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