CN114767022A - Water leakage detection method for dish-washing machine, storage medium and computer - Google Patents

Water leakage detection method for dish-washing machine, storage medium and computer Download PDF

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Publication number
CN114767022A
CN114767022A CN202210335083.4A CN202210335083A CN114767022A CN 114767022 A CN114767022 A CN 114767022A CN 202210335083 A CN202210335083 A CN 202210335083A CN 114767022 A CN114767022 A CN 114767022A
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China
Prior art keywords
dishwasher
real
power value
time
water leakage
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Pending
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CN202210335083.4A
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Chinese (zh)
Inventor
郑钊
魏国栋
李友春
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Shenzhen Topband Co Ltd
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Shenzhen Topband Co Ltd
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Priority to CN202210335083.4A priority Critical patent/CN114767022A/en
Publication of CN114767022A publication Critical patent/CN114767022A/en
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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
    • A47L15/42—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
    • 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
    • A47L2401/34—Other automatic detections
    • 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
    • A47L2501/02—Water discharge, e.g. opening or closure of discharge valve
    • 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

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  • Washing And Drying Of Tableware (AREA)

Abstract

The invention relates to a water leakage detection method for a dishwasher, a storage medium and a computer. The method comprises the following steps: step S1, acquiring a real-time power value of a washing pump of the dishwasher; step S2, judging whether the difference value between the real-time power value and the preset normal power value is smaller than a preset abnormal difference value; step S3, if not, the dishwasher leaks water. The invention realizes the water leakage detection of the dish-washing machine without adding extra equipment space and new equipment, and has smaller equipment size and lower cost.

Description

Water leakage detection method for dish-washing machine, storage medium and computer
Technical Field
The invention relates to the field of dish washing machines, in particular to a dish washing machine water leakage detection method, a storage medium and a computer.
Background
In order to detect the problem of water leakage in the dish washing process of the conventional dish washing machine, a mechanical switch, a water level sensor, a water leakage sensor and the like are usually arranged, and devices, media and the like are additionally arranged, so that the installation space is increased, and the production cost is increased.
Disclosure of Invention
The invention provides a water leakage detection method for a dish-washing machine, a storage medium and a computer.
The technical scheme adopted by the invention for solving the technical problem is as follows: a method for detecting water leakage of a dishwasher is constructed, the method comprising the steps of:
step S1, acquiring a real-time power value of a washing pump of the dishwasher;
step S2, judging whether the difference value between the real-time power value and a preset normal power value is smaller than a preset abnormal difference value;
step S3, if not, the dishwasher leaks water.
Further, in the method for detecting water leakage in a dishwasher according to the present invention, after the step S1 and before the step S2, the method further includes the steps of:
step S121, judging whether the real-time power value is larger than a necessary abnormal value;
step S122, if not, judging that the dishwasher leaks water;
and step S123, if yes, executing step S2.
Further, in the method for detecting water leakage in a dishwasher according to the present invention, the real-time power value in the step S121 is a real-time power value or an average power value within a preset time T1 for the initial operation of the washing pump.
Further, in the method for detecting water leakage of a dishwasher according to the present invention, the dishwasher has at least two operation modes, and each of the operation modes corresponds to a set of the preset normal power value and the preset abnormal difference value.
Further, in the method for detecting water leakage of a dishwasher of the present invention, the dishwasher has at least two rotation speed intervals, each rotation speed interval corresponds to a set of the preset normal power value and the preset abnormal difference value; the method further comprises the following steps before the step S1:
step Q1: and acquiring the real-time rotating speed of a washing pump of the dish-washing machine, judging whether the real-time rotating speed is stabilized in a certain rotating speed interval, and if so, executing the step S1.
Further, in the method for detecting water leakage in a dishwasher according to the present invention, the step S1 includes: and acquiring real-time current and real-time voltage of the washing pump, wherein the product of the real-time current and the real-time voltage is the real-time power value.
Further, in the method for detecting water leakage in dishwasher according to the present invention, after step S3, the method further comprises the steps of:
and S4, if the dishwasher leaks water, an alarm device of the dishwasher sends alarm information and discharges all water in the dishwasher.
Further, in the method for detecting water leakage in a dishwasher according to the present invention, after the step S3, the method further includes the steps of:
and S5, automatically powering off if the dishwasher leaks water.
In addition, the present invention also provides a computer readable storage medium storing a computer program adapted to be loaded by a processor to perform the steps of the method for detecting water leakage from a dishwasher as described above.
In addition, the present invention also provides a computer, comprising a memory and a processor, wherein the memory stores a computer program, and the processor executes the steps of the water leakage detecting method of the dishwasher by calling the computer program stored in the memory.
The method, the storage medium and the computer for detecting the water leakage of the dish-washing machine have the following beneficial effects that: the invention realizes the water leakage detection of the dish washing machine without additionally adding devices and media, thereby reducing the installation space, reducing the mechanical size, and fully utilizing the prior devices and media to detect the water leakage so as to reduce the cost.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of water leakage detection for a dishwasher according to an embodiment of the present invention;
FIG. 2 is a block diagram illustrating the water leakage detection of a dishwasher according to an embodiment of the present invention;
FIG. 3 is a flow chart of water leakage detection for a dishwasher according to an embodiment;
FIG. 4 is a flow chart of water leakage detection for a dishwasher according to an embodiment;
FIG. 5 is a flow chart of water leakage detection for a dishwasher according to an exemplary embodiment;
FIG. 6 is a flow chart of water leakage detection for a dishwasher according to an embodiment.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
In a preferred embodiment, referring to fig. 1 and 2, the method for detecting water leakage in a dishwasher of this embodiment comprises the steps of:
and step S1, acquiring the real-time power value of the washing pump of the dishwasher.
Specifically, when the dishwasher starts to work, the main control module of the dishwasher controls the injection of the set water amount. After the set water amount is filled, the main control module starts the variable-frequency washing pump through the variable-frequency washing pump driving module, and the variable-frequency washing pump starts pumping water. The main control module can continuously obtain the washing pump power in a working state through the variable-frequency washing pump driving module in the water pumping process, and the sampling result at each moment is marked as a real-time power value.
Step S2, determining whether the difference between the real-time power value and the preset normal power value is smaller than a preset abnormal difference.
Specifically, the main control module reads a preset normal power value and a preset abnormal difference value stored in a storage medium of the dishwasher, and determines whether the difference value between the real-time power value and the preset normal power value is smaller than the preset abnormal difference value, wherein the preset abnormal difference value is a difference value between the power of the washing pump when water leakage occurs and the power of the washing pump when water leakage does not occur.
Step S3, if not, the dishwasher leaks water.
Specifically, if the difference value between the real-time power value and the preset normal power value is not less than the preset abnormal difference value, judging that the dishwasher leaks water, and ending the program; if the difference between the real-time power value and the preset normal power value is smaller than the preset abnormal difference, step S2 is executed until the dish washing process is finished.
The embodiment calculates the difference value between the real-time power value and the preset normal power value according to the real-time power value of the washing pump of the dishwasher, and then compares the difference value with the preset abnormal value to judge whether the dishwasher leaks water. The leakage detection of the dishwasher is realized without additionally adding devices and media, thereby reducing the installation space, reducing the mechanical size, and fully utilizing the existing devices and media to detect the leakage so as to reduce the cost.
In the water leakage detecting method of the dishwasher of some embodiments, referring to fig. 3, after the step S1 and before the step S2, further comprising the steps of:
step S121, determining whether the real-time power value is greater than the inevitable abnormal value.
Specifically, when the dishwasher starts to work, the main control module controls the injection of the set water amount, and after the set water amount is injected, the main control module can start the variable frequency washing pump through the variable frequency washing pump driving module. At the moment, the main control module can obtain the washing pump power in a working state through the variable-frequency washing pump driving module, mark a sampling result as a real-time power value, then read the inevitable abnormal value stored in the storage medium, and compare the real-time power value with the inevitable abnormal value. The necessary abnormal value is smaller than the power value which just makes the washing pump abnormal, and the inaccuracy of the result caused by the fluctuation of the power of the washing pump is prevented. If the power of the washing pump is not larger than the necessary abnormal value, the washing pump is always abnormal.
And step S122, if not, judging that the dishwasher leaks water.
Specifically, if the real-time power value is not greater than the inevitable abnormal value, the water leakage of the dishwasher is judged, and the program is ended.
Step S123, if yes, execute step S2.
Specifically, if the real-time power value is greater than the inevitable abnormal value, step S2 is executed.
In the process of pumping water just after the washing pump of the dishwasher is started, if the difference between the detected power and the preset normal power value is just equal to the preset abnormal difference, but due to the instability of the washing pump just after the washing pump is started, the power value of the washing pump may be actually higher than the real-time detected power value, and the detected real-time power value is lower than the actual real-time power value, so that the difference between the real-time power value and the preset normal power value is higher, and the condition of water leakage is easily misjudged. The embodiment adds an inevitable abnormal value to widen the range of water leakage judgment, so that the judgment result is more accurate.
Preferably, in the method for detecting water leakage in a dishwasher of the present embodiment, the real-time power value in step S121 is a real-time power value within a preset time T1 for initial operation of the washing pump.
On the basis of the above embodiment, the dishwasher in this embodiment collects the real-time power value within the initial operation short time T1 of the washing pump, and compares the real-time power value within the initial operation preset time T1 with the inevitable abnormal value. If the real-time power value is smaller than the inevitable abnormal value, the water leakage is already caused within the preset time T1 of the initial work of the washing pump, and the continuous detection is not needed. This initial working preset time T1 is a short time, and may be half a minute to 1 minute, or some other time range.
In the embodiment, the washing pump is unstable in a short time just after being started, so that the detection time range limitation of the real-time power value is increased, and the working efficiency of the dishwasher can be effectively improved.
In some embodiments of the method for detecting water leakage in a dishwasher, the real-time power value in the step S121 is an average power value within a preset time T1 for the initial operation of the washing pump.
Specifically, the real-time power value is collected within the preset time T1 of the initial work of the washing pump, the average power value within the preset time T1 of the initial work is calculated, then the average power value is compared with the inevitable abnormal value, if the average power value is smaller than the inevitable abnormal value, the water leakage is already caused within the time T1 of the washing pump just starting, and the work is directly stopped without the need of continuous detection. This initial working preset time T1 is a short time, which may be half a minute to 1 minute or other time range, and the average power value is used for comparison, which is more accurate because the detected power is not accurate due to the instability of the washing pump just started for a short time, so that it is more beneficial to the accuracy of the judgment result after averaging.
In the embodiment, the real-time detection power value of the washing pump in the initial short time is changed into the average power value in the time, so that the error of the value is reduced, and the judgment result is more accurate.
In some embodiments, the method for detecting water leakage in a dishwasher includes at least two operation modes, each of the operation modes corresponding to a set of a preset normal power value and a preset abnormal difference value.
In particular, on the basis of the above embodiments, the dishwasher in the present embodiment may have different operation modes for the convenience of life and the improvement of quality of life. For example, in the fast mode, the washing is faster, the rotating speed is naturally improved, the time is greatly shortened, and the method is suitable for the condition of low tableware pollution degree. In this mode, the power level for normal operation can be measured and then preset into the dishwasher program, this number being said to be the preset normal power level. For example, in the energy-saving washing mode, the water and electricity are saved, and the natural normal power value in the mode is lower because of less water and low requirement on the rotating speed. Certainly, the dishwasher can also have more modes, a user can select different modes according to different conditions, and the dishwasher selects a preset normal power value and a preset abnormal difference value which are correspondingly set according to the mode selected by the user.
The dishwasher in the embodiment has at least two working modes, so that the selectivity of a user is increased, and the most suitable mode can be selected under different conditions, thereby being more convenient.
Further, in the method for detecting water leakage of a dishwasher of the present embodiment, referring to fig. 4, the dishwasher has at least two rotation speed intervals, and each rotation speed interval corresponds to a set of the preset normal power value and the preset abnormal difference value; before the step S1, the method further includes the steps of:
step Q1: and acquiring the real-time rotating speed of a washing pump of the dish-washing machine, judging whether the real-time rotating speed is stabilized in a certain rotating speed interval, and if so, executing the step S1.
On the basis of the above-mentioned embodiment, the dish washer of this embodiment, under the same mode of washing the dishes, the rotational speed that washes the dishes can have different rotational speed intervals, and every rotational speed interval all corresponds a set of normal power value of predetermineeing and predetermines unusual difference. And detecting the real-time rotating speed of the washing pump during working, acquiring a preset normal power value and a preset abnormal difference value corresponding to the real-time rotating speed, then acquiring the real-time power value in the interval, and comparing the difference value between the real-time power value and the preset normal power value with the preset abnormal difference value. For example, when washing dishes, the washing agent and the dirty parts on the dishes are fully fused by using a low-rotation-speed washing pump, so that the purpose of easier washing is achieved. The low rotating speed in the interval corresponds to a group of preset normal power values and preset abnormal power values, the low rotating speed in the interval is detected during work, the preset normal power values and the preset abnormal difference values corresponding to the rotating speed are obtained, then the real-time power values in the interval are obtained, and the difference values of the real-time power values and the preset normal power values are compared with the preset abnormal difference values. After a period of time, the power can be increased to a proper value to increase the rotating speed, so that the detergent and the dirt on the dishes are all washed away, and the high rotating speed interval corresponds to a group of preset normal power values and preset abnormal difference values. Detecting the high rotating speed in the interval during working, acquiring a preset normal power value and a preset abnormal difference value corresponding to the rotating speed, then acquiring a real-time power value in the interval, and comparing the difference value between the real-time power value and the preset normal power value with the preset abnormal difference value.
However, since the rotation speed of the washing pump fluctuates in a small range and is not stable at a constant value, it is necessary to determine whether the rotation speed of the washing pump is stable in a short time before acquiring the real-time power value. And if the real-time rotating speed is stable, acquiring a preset normal power value and a preset abnormal power value corresponding to the real-time rotating speed. And then obtaining the real-time power value in the short time, and then performing difference processing on the real-time power value under the real-time stable rotating speed and a preset normal power value corresponding to the rotating speed, and comparing the difference value with a preset abnormal difference value corresponding to the rotating speed to judge whether the dishwasher leaks water.
In the embodiment, the dishwasher has different rotating speed intervals, and each rotating speed interval corresponds to one group of preset normal power value and preset abnormal difference value, so that the comparison and judgment result is more accurate. And the real-time power value under the stable state is obtained, and the error is also reduced, so that the result is more accurate.
In the water leakage detecting method of the dishwasher of some embodiments, the step S1 includes: and acquiring real-time current and real-time voltage of the washing pump, wherein the product of the real-time current and the real-time voltage is a real-time power value.
Specifically, in the process of washing dishes, the dishwasher in the embodiment obtains the real-time power value by obtaining the real-time current value and the real-time voltage value of the washing pump motor and multiplying the real-time current value and the real-time voltage value, and of course, the real-time power value can also be obtained by other conventional methods.
In this embodiment, the real-time power value is obtained by a product of the voltage and the current, so that the method for measuring the power value is simpler and more convenient.
Further, in the method for detecting water leakage in dishwasher of the present embodiment, referring to fig. 5, after step S3, the method further comprises the steps of:
and S4, if the dishwasher leaks water, an alarm device of the dishwasher sends alarm information and discharges all water in the dishwasher.
On the basis of the embodiment, after the dishwasher in the embodiment judges that the dishwasher leaks water, the user can be prompted to leak water through one or more of sound alarm, light alarm, character display alarm and the like, and all water in the dishwasher is automatically drained through the drainage device while alarm information is sent.
The alarm device is additionally arranged in the embodiment, so that the water leakage state of the dish washing machine is timely reminded to a user, the user is reminded of timely performing corresponding treatment, and personal safety is guaranteed.
Further, in the method for detecting water leakage in dishwasher of the present embodiment, referring to fig. 6, after step S3, the method further comprises the steps of:
and S5, automatically powering off if the dishwasher leaks water.
On the basis of the embodiment, after the dishwasher in the embodiment judges that the dishwasher leaks water, in order to protect the dishwasher from accidents, the dishwasher is immediately and automatically powered off and stops working.
The automatic power-off function is added in the embodiment, the work can be stopped in time, the accident is prevented from being enlarged due to continuous water leakage, the hazards such as electric leakage caused by the accident are prevented, and the personal safety is effectively guaranteed.
In a preferred embodiment, the computer readable storage medium of this embodiment stores a computer program, which is suitable for being loaded by a processor to execute the steps of the method for detecting water leakage in dishwasher as the above embodiment.
The computer readable storage medium in this embodiment stores a computer program including, but not limited to, steps of a detection method for obtaining a real-time power value of a washing pump of a dishwasher and comparing a difference between the real-time power value and a preset normal power value with a preset abnormal difference to determine water leakage of the dishwasher. The judging method can ensure that the dishwasher does not additionally add devices and media, thereby reducing the installation space, reducing the mechanical size, and fully utilizing the existing devices and media to detect water leakage so as to reduce the cost.
In a preferred embodiment, the computer of the present embodiment comprises a memory and a processor, wherein the memory stores a computer program, and the processor executes the steps of the water leakage detecting method of the dishwasher according to the above embodiment by calling the computer program stored in the memory.
The computer in the embodiment can judge the water leakage detection method of the dishwasher through the real-time power value, the preset normal power value and the preset abnormal difference value without adding extra equipment space and new equipment, and has smaller equipment size and lower cost.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are only for illustrating the technical idea and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (10)

1. A method for detecting water leakage in a dishwasher, comprising the steps of:
step S1, acquiring a real-time power value of a washing pump of the dishwasher;
step S2, judging whether the difference value between the real-time power value and a preset normal power value is smaller than a preset abnormal difference value;
step S3, if not, the dishwasher leaks water.
2. The water leakage detecting method of dishwasher of claim 1, further comprising the steps of, after the step S1 and before the step S2:
step S121, judging whether the real-time power value is larger than an inevitable abnormal value or not;
step S122, if not, judging that the dishwasher leaks water;
and step S123, if yes, executing step S2.
3. The water leakage detecting method in a dishwasher of claim 2, wherein the real-time power value in the step S121 is a real-time power value or an average power value within a preset time T1 for the initial operation of the washing pump.
4. The method for detecting water leakage in a dishwasher according to claim 1, wherein the dishwasher has at least two operation modes, each of the operation modes corresponding to a set of the preset normal power value and the preset abnormal difference value.
5. The method for detecting water leakage in a dishwasher according to claim 1, wherein the dishwasher has at least two rotation speed intervals, each rotation speed interval corresponding to a set of the preset normal power value and the preset abnormal difference value; the method further comprises the following steps before the step S1:
step Q1: and acquiring the real-time rotating speed of a washing pump of the dish-washing machine, judging whether the real-time rotating speed is stabilized in a certain rotating speed interval, and if so, executing the step S1.
6. The water leakage detecting method of dishwasher according to any one of claims 1 to 5, wherein the step S1 comprises: and acquiring real-time current and real-time voltage of the washing pump, wherein the product of the real-time current and the real-time voltage is the real-time power value.
7. The water leakage detecting method of dishwasher according to any one of claims 1 to 5, further comprising the step of, after step S3:
and S4, if the dishwasher leaks water, an alarm device of the dishwasher sends out alarm information and discharges all water in the dishwasher.
8. The water leakage detecting method of a dishwasher of claims 1 to 5, further comprising the step of, after the step S3:
s5, automatically cutting off the power if the dishwasher leaks water.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program adapted to be loaded by a processor for performing the steps of the method for detecting water leakage in a dishwasher of any one of claims 1 to 8.
10. A computer comprising a memory and a processor; the memory stores a computer program; the processor is used for executing the steps of the water leakage judging method of the dishwasher according to any one of claims 1 to 8 by storing a computer program in the memory.
CN202210335083.4A 2022-03-31 2022-03-31 Water leakage detection method for dish-washing machine, storage medium and computer Pending CN114767022A (en)

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CN202210335083.4A CN114767022A (en) 2022-03-31 2022-03-31 Water leakage detection method for dish-washing machine, storage medium and computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210335083.4A CN114767022A (en) 2022-03-31 2022-03-31 Water leakage detection method for dish-washing machine, storage medium and computer

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CN114767022A true CN114767022A (en) 2022-07-22

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