CN108814502B - Water level measurement control method and system for dish washing machine - Google Patents
Water level measurement control method and system for dish washing machine Download PDFInfo
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- CN108814502B CN108814502B CN201810696345.3A CN201810696345A CN108814502B CN 108814502 B CN108814502 B CN 108814502B CN 201810696345 A CN201810696345 A CN 201810696345A CN 108814502 B CN108814502 B CN 108814502B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0023—Water filling
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4244—Water-level measuring or regulating arrangements
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Abstract
The invention discloses a method and a system for measuring and controlling the water level of a dish-washing machine, wherein the method comprises the following steps: respectively acquiring atmospheric pressure measurement data and water level pressure measurement data in the dish washing machine; obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data; and comparing the measured water level with a preset water level, and adjusting the water level of the dishwasher according to a comparison result. The invention can accurately measure the water level in the dish washer and adjust according to the measurement result.
Description
Technical Field
The invention relates to the field of water level measurement and test, in particular to a method and a system for measuring and controlling the water level of a dish-washing machine.
Background
Along with the improvement of the standard of living, people require more and more high to the quality of product, the performance, the hommization of use, the requirement of each aspect such as the intellectuality of operation is also more and more high, the dish washer is also gradually in the middle of people's life as a outstanding product, the dish washer is the automatic equipment of washing dishes, chopsticks, dish, sword, tableware such as fork of washing dishes, full-automatic dish washer on the market can divide into family expenses and commercial two kinds, domestic full-automatic dish washer is only applicable to the family, mainly there is the cabinet type, desk-top and basin integral type.
At present, two methods are mainly used for measuring the water level in the dish washer, the first method is a floating ball water level measuring method, the scheme has the defects of high installation cost, complex structure, more occupied installation space and the like, and the second method is a spring plate type water level switch, and the scheme has the defects of low measurement precision, incapability of linearly measuring the water level change and the like.
Disclosure of Invention
The invention aims to provide a water level measurement control method and a water level measurement control system for a dish washing machine, which can accurately measure the water level in the dish washing machine and adjust the water level according to the measurement result.
In order to achieve the above object, a first aspect of the present invention provides a method for measuring and controlling a water level of a dishwasher, comprising the steps of:
respectively acquiring atmospheric pressure measurement data and water level pressure measurement data in the dish washing machine;
obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data;
and comparing the measured water level with a preset water level, and adjusting the water level of the dishwasher according to a comparison result.
Preferably, the respectively acquiring the atmospheric pressure measurement data and the water level pressure measurement data in the dishwasher includes:
acquiring first atmospheric pressure measurement data before water injection of the dish washing machine and second atmospheric pressure measurement data after water injection of the dish washing machine;
and acquiring first water level pressure measurement data before water injection of the dish washing machine and second water level pressure measurement data after water injection of the dish washing machine.
Preferably, said determining a measured water level within a dishwasher from said atmospheric pressure measurement data and said water level pressure measurement data comprises:
obtaining sundry pressure measurement data according to the first water level pressure measurement data and the first atmospheric pressure measurement data;
and obtaining the measured water level in the dish washing machine according to the sundries pressure measurement data, the second water level pressure measurement data and the second atmospheric pressure measurement data.
Preferably, the debris pressure measurement data is obtained by the following formula:
ΔP＝P1-P0；
wherein, the delta P is the measured data of the pressure of the sundries, P1As first water level pressure measurement data, P0The data is a first barometric pressure measurement.
Preferably, the measured water level is obtained by the following formula:
wherein HtFor measuring water level P at time t after water injection of dish-washing machine1tFor measuring the second water level pressure at time t after the dishwasher is filled with water, P0tAnd measuring data of second atmospheric pressure at the time t after the dishwasher is filled with water, wherein rho is the density of water, and g is the gravity acceleration.
Preferably, the method further comprises: and comparing the sundries pressure measurement data with a preset cleaning threshold value, and generating a self-cleaning reminding signal of the dishwasher when the sundries pressure measurement data is greater than the preset cleaning threshold value.
Preferably, the method further comprises:
the temperature within the dishwasher is measured to generate temperature data.
The invention provides a water level measuring and controlling system of a dishwasher in a second aspect, comprising:
the atmospheric pressure measurement module is used for acquiring atmospheric pressure measurement data;
the water level pressure measuring module is used for acquiring water level pressure measuring data in the dish washing machine;
and the data processing module is used for obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data, comparing the measured water level with the preset water level and adjusting the water level of the dish washing machine according to the comparison result.
Preferably, the system further comprises:
a temperature measurement module to measure a temperature within the dishwasher to generate temperature data.
Preferably, the water level pressure measurement module is arranged on a steel plate at the bottom of the dish washing machine, a through hole is formed in the steel plate at the bottom of the dish washing machine, and a protective net, the water level pressure measurement module and a circuit board are sequentially arranged at the through hole from top to bottom.
The invention has the following beneficial effects:
the technical scheme of the invention has the advantages of clear principle and simple design, can accurately measure the water level in the dish washing machine in real time, adjusts the water level in the dish washing machine according to the measurement result, improves the practicability, avoids the situations that clear bowls and chopsticks are not clean due to too low water level and water resources are wasted due to too high water level, and improves the working efficiency of the dish washing machine.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a flow chart illustrating a dishwasher level measurement control method according to an embodiment of the present invention;
FIG. 2 is a logic diagram illustrating a dishwasher level measurement control method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a dishwasher level measurement control system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an embodiment of a temperature measurement module according to the present invention;
fig. 5 is a schematic view illustrating installation positions of an atmospheric pressure measuring module and a water level pressure measuring module provided in an embodiment of the present invention;
fig. 6 is a schematic view illustrating an installation structure of a water level pressure measuring module according to an embodiment of the present invention;
fig. 7 shows a schematic structural diagram of a computer device provided by an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a dishwasher level measurement control method, including:
and S1, acquiring atmospheric pressure measurement data.
Here, the atmospheric pressure measurement data is in particular the atmospheric pressure in the environment in which the dishwasher is located.
Further, in S1, the acquiring the atmospheric pressure measurement data includes:
respectively acquiring first atmospheric pressure measurement data before water injection of the dish washing machine and second atmospheric pressure measurement data after water injection of the dish washing machine.
And S2, acquiring water level pressure measurement data in the dishwasher.
Here, the water level pressure measurement data is specifically water level pressure measurement data in the dishwasher, and it should be noted that the water level pressure measurement data includes an influence of atmospheric pressure because of an influence of the atmospheric pressure.
Further, in S2, the acquiring the water level pressure measurement data in the dishwasher includes:
and respectively obtaining first water level pressure measurement data before the water is filled into the dishwasher and second water level pressure measurement data after the water is filled into the dishwasher.
And S3, obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data.
Since the water level pressure measurement data may include the influence caused by the influence of the atmospheric pressure, and the atmospheric pressure measurement data may be measured in S1, the measured water level without the influence of the atmospheric pressure may be obtained through the atmospheric pressure measurement data acquired in S1 and the water level pressure measurement data acquired in S2, so that the water level in the dishwasher may be accurately measured.
Further, in S3, the determining the measured water level in the dishwasher according to the atmospheric pressure measurement data and the water level pressure measurement data includes:
obtaining sundry pressure measurement data according to the first water level pressure measurement data and the first atmospheric pressure measurement data;
and obtaining the measured water level in the dish washing machine according to the sundries pressure measurement data, the second water level pressure measurement data and the second atmospheric pressure measurement data.
It should be noted that, because the inner surface of the dishwasher may accumulate the dirty substances left after washing the dishes when the dishwasher is used for a long time, the dirty substances may affect the water level pressure measurement data, in order to accurately measure the water level of the dishwasher, the measurement effect of the dirty substances is also eliminated except for the measurement effect of the atmospheric pressure, and the first water level pressure measurement data obtained by measuring before the dishwasher is filled with water includes the pressure data of the atmospheric pressure and the pressure data of the dirty substances, the dirty substance pressure measurement data of the dirty substances may be obtained by the following formula:
ΔP＝P1-P0；
wherein, the delta P is the measured data of the pressure of the sundries, P1As first water level pressure measurement data, P0The data is a first barometric pressure measurement.
Further, the measured water level may be obtained by the following formula:
wherein HtFor measuring water level P at time t after water injection of dish-washing machine1tFor measuring the second water level pressure at time t after the dishwasher is filled with water, P0tAnd measuring data of second atmospheric pressure at the time t after the dishwasher is filled with water, wherein rho is the density of water, and g is the gravity acceleration.
Here, because different measurement devices may be required to measure when measuring the atmospheric pressure measurement data and the water level pressure measurement data, and different measurement devices may have a certain accuracy error, which may affect the accuracy of measuring the water level, in this embodiment, the difference between the first water level pressure measurement data and the first atmospheric pressure measurement data is used to achieve the calibration zeroing of the measurement devices, which can eliminate the accuracy error caused by different measurement devices, thereby improving the accuracy of measuring the water level.
When it needs to be explained, since the atmospheric pressure changes with various factors of the environment, the measured atmospheric pressure measurement data is real-time data, so that the pressure influence caused by the atmospheric pressure can be eliminated, and the actual water level in the dishwasher can be accurately measured.
And S4, comparing the measured water level with a preset water level, and adjusting the water level of the dishwasher according to the comparison result.
Here, predetermine the water level and can set for through the user's demand, compare through the measurement water level that obtains with predetermineeing the water level to can judge whether the water level in the current dish washer has reached the predetermined water level that the user set for, thereby adjust the water level in the dish washer.
Further, when the measured water level is less than the preset water level, the dishwasher water level is adjusted to the preset water level.
Here, when measuring the water level and being less than when predetermineeing the water level, then explain the water level in the current dish washer does not reach the predetermined water level that the user set for, so reach predetermined water level through the water level of adjusting in the dish washer, here adjust the water level in the dish washer and can carry out the water injection to dish washer through opening the water injection switch in the dish washer, and after the water level in the dish washer has reached the settlement water level of user setting, can close the water injection to dish washer through closing the water injection switch in the dish washer, just so can reach the measurement control to the water level in the dish washer, convenience of customers controls the water level in the dish washer, the convenience of use has been improved, not only can improve the work efficiency of dish washer, avoid the condition that the washing bowls and chopsticks that lead to because of the water level is low and are clean and waste water resources.
In an optional implementation manner of this embodiment, the method further includes:
and comparing the sundries pressure measurement data with a preset cleaning threshold value, and generating a self-cleaning reminding signal of the dishwasher when the sundries pressure measurement data is greater than the preset cleaning threshold value.
When the accumulation of the dirty substances is too much, the use of the dish washing machine can be influenced, the dirty substances in the dish washing machine are not easy to find by a user, so that the user can not judge when the dish washing machine should be cleaned, and here, the sundries pressure measurement data is the judgment standard of the accumulation amount of the dirty substances in the dish washing machine, so that the user can set a preset cleaning threshold value according to the requirement, a self-cleaning reminding signal of the dish washing machine is generated when the sundries pressure measurement data is greater than the preset cleaning threshold value, so that the dish washing machine can be judged to be cleaned, and further, the dish washing machine can open a self-cleaning function based on the self-cleaning reminding signal of the dish washing machine to clean the inner part of the dish washing machine, and the cleanness and the sanitation of.
In an optional implementation manner of this embodiment, the method further includes:
the temperature within the dishwasher is measured to generate temperature data.
The dish washer is carrying out abluent in-process to the tableware, can accelerate the washing to the tableware through controlling the temperature, so in order to control the inside temperature of dish washer, can real-time measurement temperature in the dish washer and generate temperature data, the user can come real-time inside temperature of understanding dish washer according to temperature data like this to the convenience is controlled the inside temperature of dish washer.
In the following, the present embodiment is described with reference to the application scenario, as shown in fig. 2, which is a logic diagram of a water level measurement control method of a dishwasher in the present embodiment, when a user uses the dishwasher to operate, first, by measuring atmospheric pressure measurement data and first water level pressure measurement data before water is injected into the dishwasher, and obtaining sundries pressure measurement data again by the atmospheric pressure measurement data and the first water level pressure measurement data, comparing the sundries pressure measurement data with a preset cleaning threshold, when the sundries pressure measurement data is greater than the preset cleaning threshold, generating a dishwasher self-cleaning reminding signal to remind the user that the dishwasher needs to be cleaned, when the sundries pressure measurement data is less than the preset cleaning threshold, the dishwasher may start a water injection switch to inject water into the dishwasher, and may know the water level in the dishwasher in real time by measuring the water level, when the measured water level reaches the preset water level, the water injection switch is adjusted to be closed, so that the dish washing machine stops injecting water, and the water level in the dish washing machine can be accurately adjusted and controlled.
Fig. 3 is a schematic structural diagram of a dishwasher level measurement control system according to another embodiment of the present invention, which specifically includes:
the atmospheric pressure measurement module is used for acquiring atmospheric pressure measurement data;
the water level pressure measuring module is used for acquiring water level pressure measuring data in the dish washing machine;
and the data processing module is used for obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data, comparing the measured water level with the preset water level and adjusting the water level of the dish washing machine according to the comparison result.
As shown in fig. 4, in an optional implementation manner of this embodiment, the system further includes:
a temperature measurement module to measure a temperature within the dishwasher to generate temperature data.
As shown in fig. 5, the atmospheric pressure measuring module and the water level pressure measuring module can be an atmospheric measurement pressure sensor and a water depth pressure sensor, respectively, and their specific models are MEMS sensors, the atmospheric measurement pressure sensor is disposed outside the dishwasher, and the water depth sensor is disposed in the inner cavity of the dishwasher for operation,
as shown in fig. 6, in an optional implementation manner of this embodiment, the water level pressure measurement module is disposed on a bottom steel plate of the dishwasher, a through hole is disposed on the bottom steel plate of the dishwasher, and a protective net, the water level pressure measurement module and a circuit board are sequentially disposed at the through hole from top to bottom.
The system is explained by combining a dishwasher structure, as shown in fig. 6, the system is an installation diagram of a water depth pressure sensor, wherein a through hole is formed in a steel plate at the bottom of the dishwasher, a protective net is arranged on the through hole, the situation that sundries enter the through hole to damage the water depth pressure sensor is avoided, a sealing ring is further arranged on the protective net, the protective net is mainly used for tightly installing the protective net at the through hole, the water depth pressure sensor is installed on the lower layer of the steel plate at the bottom of the dishwasher through a circuit board (PCB in fig. 6), when water is injected into the dishwasher, pressure can be caused to the water depth pressure sensor by water pressure, and the water depth pressure sensor can acquire water level pressure measurement data.
Yet another embodiment of the present invention provides a computer apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the dishwasher bathymetry control method. As shown in fig. 7, a computer system suitable for implementing the server provided in the present embodiment includes a Central Processing Unit (CPU) that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) or a program loaded from a storage section into a Random Access Memory (RAM). In the RAM, various programs and data necessary for the operation of the computer system are also stored. The CPU, ROM, and RAM are connected thereto via a bus. An input/output (I/O) interface is also connected to the bus.
The following components are connected to the I/O interface: an input section including a keyboard, a mouse, and the like; an output section including a speaker and the like such as a Liquid Crystal Display (LCD); a storage section including a hard disk and the like; and a communication section including a network interface card such as a LAN card, a modem, or the like. The communication section performs communication processing via a network such as the internet. The drive is also connected to the I/O interface as needed. A removable medium such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive as necessary, so that a computer program read out therefrom is mounted into the storage section as necessary.
In particular, it is mentioned that the processes described in the above flowcharts can be implemented as computer software programs according to the present embodiment. For example, the present embodiments include a computer program product comprising a computer program tangibly embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium.
The flowchart and schematic diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to the present embodiments. In this regard, each block in the flowchart or schematic diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the schematic and/or flowchart illustration, and combinations of blocks in the schematic and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the present embodiment may be implemented by software or hardware. The described units may also be provided in a processor, and may be described as: a processor includes an acquisition module, a calculation module, a detection module, and the like. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves. For example, the data processing module may also be described as a "water level calculation module".
As another aspect, the present application also provides a computer-readable storage medium, which may be the computer-readable storage medium included in the apparatus in the above-described embodiments; or it may be a separate computer-readable storage medium not incorporated in the terminal. The computer readable storage medium stores one or more programs for one or more processors to perform the dishwasher level measurement control method described in the present invention.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (8)
1. A water level measurement control method of a dishwasher is characterized by comprising the following steps:
respectively acquiring atmospheric pressure measurement data and water level pressure measurement data in the dish washing machine;
obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data;
comparing the measured water level with a preset water level, and adjusting the water level of the dishwasher according to the comparison result;
the respectively obtained atmospheric pressure measurement data and water level pressure measurement data in the dishwasher include:
acquiring first atmospheric pressure measurement data before water injection of the dish washing machine and second atmospheric pressure measurement data after water injection of the dish washing machine;
acquiring first water level pressure measurement data before water injection of the dish washing machine and second water level pressure measurement data after water injection of the dish washing machine;
wherein determining a measured water level within a dishwasher based on the atmospheric pressure measurement data and the water level pressure measurement data comprises:
obtaining sundry pressure measurement data according to the first water level pressure measurement data and the first atmospheric pressure measurement data;
and obtaining the measured water level in the dish washing machine according to the sundries pressure measurement data, the second water level pressure measurement data and the second atmospheric pressure measurement data.
2. A method according to claim 1, wherein the debris pressure measurement data is obtained by:
ΔP＝P1-P0；
wherein, the delta P is the measured data of the pressure of the sundries, P1As first water level pressure measurement data, P0The data is a first barometric pressure measurement.
3. The method of claim 2, wherein the measured water level is obtained by:
wherein HtFor measuring water level P at time t after water injection of dish-washing machine1tFor measuring the second water level pressure at time t after the dishwasher is filled with water, P0tAnd measuring data of second atmospheric pressure at the time t after the dishwasher is filled with water, wherein rho is the density of water, and g is the gravity acceleration.
4. The method of claim 1, further comprising: and comparing the sundries pressure measurement data with a preset cleaning threshold value, and generating a self-cleaning reminding signal of the dishwasher when the sundries pressure measurement data is greater than the preset cleaning threshold value.
5. The method of claim 1, further comprising:
the temperature within the dishwasher is measured to generate temperature data.
6. A dishwasher water level measurement control system, comprising:
the atmospheric pressure measurement module is used for acquiring atmospheric pressure measurement data;
the water level pressure measuring module is used for acquiring water level pressure measuring data in the dish washing machine;
the data processing module is used for obtaining the measured water level in the dish washing machine according to the atmospheric pressure measurement data and the water level pressure measurement data, comparing the measured water level with a preset water level and adjusting the water level of the dish washing machine according to the comparison result;
the atmospheric pressure measurement module is also used for acquiring first atmospheric pressure measurement data before water injection of the dish washing machine and second atmospheric pressure measurement data after water injection of the dish washing machine;
the water level pressure measuring module is also used for acquiring first water level pressure measuring data before water injection of the dish washer and second water level pressure measuring data after water injection of the dish washer;
and the data processing module obtains the measured water level in the dish washing machine according to the sundries pressure measurement data, the second water level pressure measurement data and the second atmospheric pressure measurement data after obtaining the sundries pressure measurement data according to the first water level pressure measurement data and the first atmospheric pressure measurement data.
7. The system of claim 6, further comprising:
a temperature measurement module to measure a temperature within the dishwasher to generate temperature data.
8. The system as claimed in claim 6, wherein the water level pressure measuring module is arranged on a steel plate at the bottom of the dish washing machine, a through hole is arranged on the steel plate at the bottom of the dish washing machine, and a protective net, the water level pressure measuring module and a circuit board are sequentially arranged at the through hole from top to bottom.
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| ITTO20060882A1 (en) * | 2006-12-13 | 2008-06-14 | Itw Ind Components Srl | MONITORING DEVICE FOR THE FEEDING OF AN OPERATIONAL FLUID IN A HOUSEHOLD APPLIANCE, IN PARTICULAR OF A WATER FLOW TOWARDS A WASHER OF A WASHING MACHINE OR DISHWASHER |
| CN104921683B (en) * | 2015-06-25 | 2017-09-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine and dish washer control method and device based on water level detecting |
| CN205049202U (en) * | 2015-10-13 | 2016-02-24 | 国家气候中心 | Liquid level detector |
| CN106802176A (en) * | 2015-11-26 | 2017-06-06 | 中国科学院电子学研究所 | A kind of water level detecting system |
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