CN113116270A - Method and device for preventing dew condensation of dish-washing machine perspective window and dish-washing machine - Google Patents

Method and device for preventing dew condensation of dish-washing machine perspective window and dish-washing machine Download PDF

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Publication number
CN113116270A
CN113116270A CN202110394363.8A CN202110394363A CN113116270A CN 113116270 A CN113116270 A CN 113116270A CN 202110394363 A CN202110394363 A CN 202110394363A CN 113116270 A CN113116270 A CN 113116270A
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China
Prior art keywords
dishwasher
parameter
air flow
temperature parameter
flow device
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CN202110394363.8A
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Chinese (zh)
Inventor
殷宁芳
郭名威
张继东
陆金杏
潘普观
谭毅斌
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202110394363.8A priority Critical patent/CN113116270A/en
Publication of CN113116270A publication Critical patent/CN113116270A/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
    • A47L15/42—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
    • 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
    • A47L15/4287—Temperature measuring or regulating arrangements
    • 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
    • A47L2401/12—Water temperature
    • 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
    • A47L2401/18—Air temperature
    • 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
    • A47L2501/12—Air blowers

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  • Washing And Drying Of Tableware (AREA)

Abstract

The application relates to a method and a device for preventing a perspective window of a dish washing machine from dewing and the dish washing machine, belonging to the technical field of household appliances. The method for preventing the dewing of the perspective window of the dishwasher comprises the following steps: the dishwasher is characterized in that an air flow device is arranged, and when the air flow device works, the air outside the dishwasher is guided into the dishwasher, so that the area inside the dishwasher, which is positioned at the inner side of the perspective window, forms air flow with preset flow speed. The method for preventing the dewing of the perspective window of the dish washing machine, provided by the embodiment of the application, is characterized in that the air flowing device is introduced into the dish washing machine, the air outside the dish washing machine is introduced into the dish washing machine through the air flowing device, the temperature difference inside and outside the perspective window of the dish washing machine is reduced, and the dewing is effectively prevented from being formed on the perspective window of the dish washing machine.

Description

Method and device for preventing dew condensation of dish-washing machine perspective window and dish-washing machine
Technical Field
The application relates to the technical field of household appliances, in particular to a method and a device for preventing a perspective window of a dish washing machine from dewing and the dish washing machine.
Background
The dish washer is used for automatically cleaning tableware, such as bowls, chopsticks, dishes, knives, forks and the like, reduces the labor intensity of people for washing the tableware, improves the working efficiency and improves the cleanness and the sanitation.
The dish washer has perspective window mostly, and the user can see the action and the progress of the inside washing tableware of dish washer through perspective window, has improved user's participation and experience, and in the use, the dish washer is inside to be in the great environment of humidity, and the perspective window forms the dewfall very easily at the during operation, influences the visuality of perspective window.
Disclosure of Invention
The application provides a method and a device for preventing a dishwasher perspective window from dewing and a dishwasher, which aim to solve the problem that the dishwasher perspective window is easy to dewing when working again in the prior art.
In a first aspect, the present application provides a method for preventing dewing on a window of a dishwasher, the method comprising:
the dishwasher is characterized in that an air flow device is arranged, and when the air flow device works, the air outside the dishwasher is guided into the dishwasher, so that the area inside the dishwasher, which is positioned at the inner side of the perspective window, forms air flow with preset flow speed.
Optionally, after said providing air flow means which, in operation, directs air from outside the dishwasher into the interior of the dishwasher, the method comprises:
and adjusting the start-stop period of the air flow device according to the external environment temperature parameter outside the dishwasher and the internal environment parameter inside the dishwasher.
Optionally, the adjusting the start-stop period of the air flow device according to the external environment temperature parameter outside the dishwasher and the internal environment parameter inside the dishwasher includes:
acquiring an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher;
acquiring an expected start-stop period according to the external environment temperature parameter, the internal environment parameter and a relation comparison table of the external environment temperature parameter, the internal environment parameter and the expected start-stop period;
adjusting a start-stop period of the air flow device according to the desired start-stop period.
Optionally, the adjusting the start-stop period of the air flow device according to the external environment temperature parameter outside the dishwasher and the internal environment parameter inside the dishwasher includes:
acquiring an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher;
acquiring an external environment temperature parameter interval according to the external environment temperature parameter, and acquiring an internal environment parameter interval according to the internal environment parameter;
acquiring the expected start-stop period according to the external environment temperature parameter interval, the internal environment parameter interval and a relation comparison table of the external environment temperature parameter interval, the internal environment parameter interval and the expected start-stop period;
adjusting a start-stop period of the air flow device according to the desired start-stop period.
Optionally, the internal environment parameter includes: and the washing temperature parameter is used for washing in the dish washing machine.
Optionally, the obtaining an external environment temperature parameter external to the dishwasher, comprises:
and acquiring an environment temperature parameter outside the perspective window, and representing the external environment temperature parameter.
Optionally, the obtaining an external ambient temperature parameter external to the dishwasher comprises:
and acquiring a water inlet temperature parameter when water enters the dishwasher for the first time, and representing the external environment temperature parameter.
Optionally, if a user switch instruction is received, the air flow device is turned on or off according to the user switch instruction.
In a second aspect, the present application provides a device for preventing dewing on a window of a dishwasher, comprising: the air flow device guides air outside the dishwasher into the dishwasher when the air flow device works, so that the area inside the dishwasher and positioned at the inner side of the perspective window forms air flow with preset flow speed.
In a third aspect, the embodiment of the present application provides a dishwasher, which includes a transparent window, and further includes a device for preventing dewing on the transparent window of the dishwasher.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the embodiment of the application provides a method for preventing dewing of a perspective window of a dishwasher, which comprises the following steps: the dishwasher is characterized in that an air flow device is arranged, and when the air flow device works, the air outside the dishwasher is guided into the dishwasher, so that the area inside the dishwasher, which is positioned at the inner side of the perspective window, forms air flow with preset flow speed. The method for preventing the dewing of the perspective window of the dish washing machine, provided by the embodiment of the application, is characterized in that the air flowing device is introduced into the dish washing machine, the air outside the dish washing machine is introduced into the dish washing machine through the air flowing device, the temperature difference inside and outside the perspective window of the dish washing machine is reduced, and the dewing is effectively prevented from being formed on the perspective window of the dish washing machine.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view illustrating a process for preventing dew condensation on a window of a dishwasher according to an embodiment of the present application;
FIG. 2 is a schematic view illustrating a specific flow of preventing dew condensation on a window of a dishwasher according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a start-stop cycle of an air flow device according to an embodiment of the present application;
FIG. 4 is a schematic flow chart illustrating the detailed process of adjusting the start-stop cycle of an air flow device in an embodiment of the present application;
FIG. 5 is a schematic flow chart illustrating the detailed process of adjusting the start-stop cycle of an air flow device in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a device for preventing dew condensation on a window of a dishwasher according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a control device according to an embodiment of the present application;
FIG. 8 is a schematic structural diagram of a control device in an embodiment of the present application;
fig. 9 is a schematic structural view of a dishwasher according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The condensation phenomenon refers to a phenomenon in which when the temperature of the surface of the inner wall of the container is lowered and the temperature of the indoor air is lowered to a temperature lower than the dew point temperature, water drops are condensed on the inner wall and the surface, and the phenomenon is called condensation. When the dishwasher is used, the whole inside of the dishwasher is in an environment with higher humidity, and the temperature of the air inside the dishwasher is reduced on the inner wall and the surface of the transparent window, so that water drops are condensed, and dew condensation occurs.
The applicant finds that although the relative humidity of the air in the dishwasher is relatively large, the relative humidity is still insufficient to enable the inner wall of the perspective window to form condensation under most conditions, the condensation formed on the perspective window of the dishwasher is generally in a large relation with the sealing durability of the perspective window, the sealing durability is the capacity of the perspective window for maintaining the initial sealing performance, after the sealing durability of the perspective window is reduced, for example, the performance of a sealing rubber strip of the perspective window is aged, water vapor in the environment can permeate into the dishwasher through the perspective window, the relative humidity of the air in the dishwasher is further improved, and then the relative humidity of the air in the dishwasher reaches or exceeds the relative humidity of the condensation formed. The scheme is adopted to maintain the sealing durability of the perspective window, so that the dew condensation of the perspective window of the dishwasher can be effectively prevented theoretically, but the scheme is difficult to realize in practice, the durability of the sealing structure of the perspective window is ensured not to be lost, and the technical difficulty and the implementation cost are enough to prevent people from implementing the scheme. The applicant has found that in addition to the solutions adopted to maintain the sealing durability of the window, there are other ways to prevent the formation of condensation on the window of the dishwasher.
With reference to fig. 1, an embodiment of the present application provides a method for preventing dewing on a window of a dishwasher, the method comprising:
100, air flow means are provided which, in operation, direct air from outside the dishwasher into the interior of the dishwasher.
Form the dewfall on the perspective window inner wall because the relative humidity of the inside air of dish washer is higher on the one hand, on the other hand is because the inside air temperature of dish washer is higher than the temperature of perspective window inner wall, the air with the contact of perspective window inner wall is cooled and the temperature is reduced, thereby combine the steam in the air to form the dewfall on the perspective window, based on this, this application embodiment is through setting up the device of interveneeing, air flow device promptly, increase the air flow rate of perspective window dewfall side, increase the heat transfer coefficient on glass surface promptly, thereby promote on dew-falling side surface temperature to the dew point temperature, thereby reach the effect of eliminating the dewfall.
The air flow device may alternatively be a fan or other device or structure that actively generates air flow. It can be understood that, the air flow device continuously guides the air outside the dishwasher to the inside of the dishwasher during operation, the air volume inside the dishwasher is increased, the air pressure is increased, which is generally not desirable to see, certainly, the opening structure provided by the dishwasher itself can generally ensure that part of the air in the dishwasher flows out of the dishwasher through the opening structure, so as to maintain the balance of the air pressure inside the dishwasher.
In a preferred example, the air flow means, in operation, direct air from outside the dishwasher into a region inside the dishwasher and adjacent to the interior of the window. The area inside the dishwasher and adjacent to the transparent window comprises: the inner wall of the perspective window and the area opposite and adjacent to the inner wall of the perspective window. The outside air is introduced into this area, so that the air flow rate on the dew condensation side of the see-through window is efficiently increased, the overall efficiency is improved, and the energy consumption is reduced.
As shown in fig. 2, the method of the embodiment of the present application further includes:
200, adjusting the start-stop period of the air flow device according to the external environment temperature parameter outside the dishwasher and the internal environment parameter inside the dishwasher.
Under the conception of the application, if the air flow device always keeps the same working mode when working, under the condition of ensuring that the air flow rate on the condensation side of the transparent window is sufficiently large, the problem of condensation formed on the transparent window of the dishwasher is sufficiently solved, but under different external environment conditions and different internal washing conditions, obviously, the air flow rate required for preventing condensation formed on the transparent window of the dishwasher is different, under the condition that condensation is difficult to form, the air flow device can meet the requirement when working under lower power, but under the condition that the air flow device always keeps the same working mode, the condition of easy condensation formation generally needs to be considered, and therefore, the whole energy utilization rate is lower.
In order to reduce the energy consumption for preventing condensation, it is necessary to consider which parameters may influence the formation of condensation on the dishwasher window. An external environment temperature parameter, namely a temperature parameter of an environment outside the dishwasher, is an important parameter influencing the formation of condensation on a transparent window of the dishwasher, and under the condition that the environment temperature is 0 ℃ and the environment temperature is 20 ℃, it is obvious that condensation is more easily formed on the transparent window under the condition that the environment temperature is 0 ℃, because the transparent window is kept in contact with the environment, the temperature on the transparent window is close to the environment temperature or can be considered to be basically equal to the environment temperature value, and the air on the inner wall surface of the transparent window is more easily cooled to be below the dew point temperature when contacting the inner wall surface of the transparent window; internal environmental parameters in a dishwasher mainly include: the washing temperature in the dish washer, air humidity and dew point temperature in the dish washer, also be the important parameter whether form the dewfall on the influence dish washer perspective window, wherein, the washing temperature is higher than the temperature of dish washer external environment usually, therefore the temperature of perspective window inner wall is less than the temperature of the inside air of dish washer usually, air humidity has decided the steam content in the air, the temperature reduces the back, air humidity is higher forms the dewfall on the perspective window is inside more easily, dew point temperature is the saturation temperature of the air that contains vapor, dew point temperature is decided by the absolute humidity of air. In the embodiment of the application, the start-stop period of the air flow device is adjusted according to the external environment temperature parameter and the internal environment parameter, so that the air flow device can be ensured to be in a state of low consumption in real time, and further, the energy consumption is effectively reduced.
Among the internal environment parameter, air humidity and dew point temperature in the dish washer, generally can regard as relatively more stable, even under the different mode of operation of dish washer, air humidity and dew point temperature in the dish washer are relatively more stable under corresponding mode of operation, under the different mode of operation, these parameters can select each other to revise through additional parameter can, the washing temperature in the dish washer is the most important factor that influences the formation dewfall of dish washer perspective window, therefore in some embodiments, step 200 specifically can select to be: and adjusting the start-stop period of the air flow device according to the external environment temperature parameter outside the dishwasher and the washing temperature parameter in the dishwasher.
FIG. 3 shows a schematic diagram of a start-stop cycle of an air flow device, in conjunction with FIG. 3, the air flow device is operated with periodic start and stop, t in FIG. 3s1、ts2Etc. represent the respective start-up periods, t, of the air flow devicee0、te1The equal represents the stop time length of each time of the air flow device, the start time length of each start of the air flow device can be selected to be equal or unequal, and similarly, the stop time length of each stop of the air flow device can be selected to be equal or unequal, generally, the air flow device is convenient to control, the start time length of each start and the stop time length of each stop are selected to be equal, so when the air flow device is controlled, the start-stop period of the air flow device is conveniently adjusted by adjusting the start frequency of the air flow device, and in an optional embodiment, the power of the air flow device in the start time of each period is equal.
FIG. 4 shows a detailed flow diagram for adjusting the start-stop cycle of an air flow device in one embodiment of the present application. Referring to fig. 4, step 200, adjusting a start-stop period of the air flow device according to an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher specifically includes:
201, acquiring an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher;
the external ambient temperature parameter outside the dishwasher may be sensed by temperature probes or other devices having temperature sensing capabilities, and in various embodiments, the internal ambient parameter inside the dishwasher may include a combination of the wash temperature inside the dishwasher, the air humidity inside the dishwasher, and the dew point temperature; optionally, the washing temperature inside the dishwasher and the air humidity inside the dishwasher, or the combination of the washing temperature inside the dishwasher and the dew point temperature; it is also possible to choose to include the washing temperature inside the dishwasher, the more parameters included in the internal environmental parameters, the more accurate the corresponding data representation results. The external environment temperature parameter and the internal environment parameter may be obtained simultaneously or sequentially.
202, obtaining an expected start-stop period according to the external environment temperature parameter, the internal environment parameter and a relation comparison table of the external environment temperature parameter, the internal environment parameter and the expected start-stop period;
the relation comparison table of the external environment temperature parameter, the internal environment parameter and the expected start-stop period is researched through the mutual relation of the external environment temperature parameter, the internal environment parameter and the expected start-stop period, the comparison relation meeting the requirements is obtained in advance, and the relation comparison table is called in a pre-stored memory or the outside.
And 203, adjusting the start-stop period of the air flow device according to the expected start-stop period.
In the embodiment of the application, the corresponding relation comparison table can be made in advance according to the external environment temperature parameter, the internal environment parameter and the expected start-stop period, and the relation comparison table can be stored and called from the inside or the outside when the device is used. Optionally, in this embodiment of the present application, the real-time external environment temperature parameter and the real-time internal environment parameter are obtained, and the start-stop period of the air flow device is adjusted in real time according to the external environment temperature parameter, the internal environment parameter, and the relationship comparison table, so as to optimize the operating mode of the air flow device.
Fig. 5 shows a detailed flow diagram of adjusting the start-stop cycle of an air flow device in another embodiment of the present application. Referring to fig. 5, step 200, adjusting a start-stop period of the air flow device according to an external environment temperature parameter of the dishwasher and an internal environment parameter of the dishwasher specifically includes:
211, obtaining an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher;
212, acquiring an external environment temperature parameter interval according to the external environment temperature parameter, and acquiring an internal environment parameter interval according to the internal environment parameter;
213, obtaining the expected start-stop period according to the external environment temperature parameter interval, the internal environment parameter interval, and a relation comparison table of the external environment temperature parameter interval, the internal environment parameter interval and the expected start-stop period;
214, adjusting a start-stop period of the airflow device according to the desired start-stop period.
In the embodiment of the present application, if the corresponding expected start-stop period is obtained by using the value of each external environment temperature parameter, the value of each internal environment parameter, and the relationship comparison table, the adjustment of the start-stop period of the air flow device may be too frequent in the operation process of the air flow device, which affects the operation performance and durability of the air flow device. In a smaller change interval, the influence of the change of the external environment temperature parameter and the change of the internal environment parameter on whether the window of the dishwasher is fogged or not is not very large, so in the embodiment of the application, an expected start-stop period is obtained according to the external environment temperature parameter interval, the internal environment parameter interval and the relation comparison table, and then the start-stop period of the air flow device is adjusted according to the expected start-stop period, so that the working mode of the air flow device can be optimized, the power consumption of the air flow device is saved, the frequent adjustment of the air flow device can be avoided, the working stability of the air flow device is ensured, and the service life of the air flow device is prolonged.
According to an embodiment of the present application, the step 201 and the step 211 of obtaining the external environment temperature parameter outside the dishwasher specifically include: acquiring the temperature parameter of the outer surface of the perspective window of the dishwasher. The fogging of the perspective window of the dishwasher is mainly caused by the temperature difference between the inner side surface and the outer side surface of the perspective window, although the outer side surface of the perspective window is in contact with the air outside the dishwasher, on the outer side surface of the perspective window, the temperature of the outer side surface of the perspective window is different from the temperature of the air outside the dishwasher due to the heat exchange between the outer side air and the perspective window, and the accuracy of the adjustment of an air flow device can be ensured by acquiring the temperature parameter of the outer side surface of the perspective window. Specifically, for example, a temperature detection probe or other temperature sensing component may be optionally mounted on the outer surface of the window for detecting the temperature of the outer surface of the window.
According to an embodiment of the present application, in step 201 and step 211, the obtaining the ambient temperature parameter outside the dishwasher specifically includes: and acquiring the water inlet temperature of the first water inlet in the dishwasher as the external environment temperature parameter. The environmental temperature parameter of direct acquisition perspective window outside surface, though simpler directness, and data are accurate, it is inconvenient in the implementation, its generally need be at the outside of dishwasher perspective window on the surface installation component that detects the temperature, still need be equipped with in the dishwasher with this component complex circuit that detects the temperature, this embodiment provides one kind and more simply obtains the outside environmental temperature parameter's of dishwasher example, obtains the temperature of intaking for the first time in the dishwasher promptly, as outer environmental temperature parameter. The first water inflow in the dishwasher is normal-temperature tap water provided by the connected indoor water pipe, so that the water inflow temperature of the first water inflow is equal to the external environment temperature, and the external environment temperature parameter is represented.
It would be a significant advantage to characterize the external ambient temperature parameter outside the dishwasher with the inlet water temperature of the first inlet water in the dishwasher. The inside temperature-detecting element of taking usually of general dish washer for detect the washing temperature of dish washer at the during operation, for the temperature of intaking for the first time in acquireing the dish washer, can select to detect through the inside temperature-detecting element of taking of dish washer and acquire, the temperature of intaking that intakes for the first time in the dish washer and the washing temperature of dish washer during operation all can acquire through same temperature-detecting element promptly, with this reduce cost, it is more simple and convenient to operate.
According to an embodiment of the application, the method further comprises: and if a user switch instruction is received, the air flow device is turned on or turned off according to the user switch instruction. The air flow device can be selected to be simultaneously started to work when the dishwasher is started to work and closed when the dishwasher is stopped to work, particularly, the air flow device can be controlled to work or be closed through an upper switch circuit structure of the dishwasher, and the air flow device can be manually controlled to work or close.
Fig. 6 shows a device for preventing dewing on a window of a dishwasher according to an embodiment of the present application, and referring to fig. 6, the embodiment of the present application further provides a device for preventing dewing on a window of a dishwasher, comprising:
the air flow device 1000 guides air outside the dishwasher into the interior of the dishwasher when the air flow device 1000 works, so that the area inside the dishwasher and positioned on the inner side of the perspective window forms air flow with preset flow speed.
Form the dewfall on the perspective window inner wall because the relative humidity of the inside air of dish washer is higher on the one hand, on the other hand is because the inside air temperature of dish washer is higher than the temperature of perspective window inner wall, the air with the contact of perspective window inner wall is cooled and the temperature is reduced, thereby combine the steam in the air to form the dewfall on the perspective window, based on this, this application embodiment is through setting up the device of interveneeing, air flow device promptly, increase the air flow rate of perspective window dewfall side, increase the heat transfer coefficient on glass surface promptly, thereby promote on dew-falling side surface temperature to the dew point temperature, thereby reach the effect of eliminating the dewfall.
The air flow device may alternatively be a fan or other device or structure that actively generates air flow. It can be understood that, the air flow device continuously guides the air outside the dishwasher to the inside of the dishwasher during operation, the air volume inside the dishwasher is increased, the air pressure is increased, which is generally not desirable to see, certainly, the opening structure provided by the dishwasher itself can generally ensure that part of the air in the dishwasher flows out of the dishwasher through the opening structure, so as to maintain the balance of the air pressure inside the dishwasher.
In an optional embodiment, the air outlet direction of the air flowing device 1000 is directed to the inner wall of the window of the dishwasher or the portion of the dishwasher adjacent to the window, so as to increase the flowing speed of the air flowing at the inner wall of the window of the dishwasher, improve the efficiency of air intervention, and increase the heat exchange efficiency of the window.
In the embodiment of the present application, the device for preventing dewing on the window of the dishwasher further comprises a control device 2000, and the control device 2000 is connected to the air flow device 1000 to regulate and control the operation of the air flow device 1000 through the control device 2000.
According to an embodiment of the present application, as shown in fig. 7, the control device 2000 includes: the dishwasher control system comprises a first parameter acquisition unit 2001, a second parameter acquisition unit 2002, a third parameter acquisition unit 2003 and an adjusting unit 2004, wherein the first parameter acquisition unit 2001 is used for acquiring an external environment temperature parameter outside the dishwasher, the second parameter acquisition unit 2002 is used for acquiring an internal environment parameter inside the dishwasher, the third parameter acquisition unit 2003 is used for acquiring a desired start-stop period of the air flow device according to a relation comparison table of the external environment temperature parameter, the internal environment parameter, the external environment temperature parameter and the desired start-stop period, and the adjusting unit 2004 is used for adjusting the start-stop period of the air flow device 1000 according to the desired start-stop period.
According to an embodiment of the present application, as shown in fig. 8, the control device 2000 includes a first parameter obtaining unit 2001, a second parameter obtaining unit 2002, a first interval obtaining unit 2005, a second interval obtaining unit 2006, a third parameter obtaining unit 2003 and an adjusting unit 2004, wherein the first parameter obtaining unit 2001 is used for obtaining an external environment temperature parameter outside the dishwasher, the second parameter obtaining unit 2002 is used for obtaining an internal environment parameter inside the dishwasher, the first interval obtaining unit 2005 is used for obtaining an external environment temperature parameter interval according to the external environment temperature parameter, the second interval obtaining unit 2006 is used for obtaining an internal environment parameter interval according to the internal environment parameter, the third obtaining unit 2003 is used for obtaining a relation comparison table between the external environment temperature parameter interval, the internal environment parameter interval and a desired start-stop period according to the external environment temperature parameter interval, the internal environment parameter interval, the desired start-stop period is obtained and the adjusting unit 2004 is configured to adjust the start-stop period of the air flow device 1000 in accordance with the desired start-stop period.
The control device 2000 adjusts the start-stop period of the air flow device 1000 when the air flow device 1000 works to improve the working efficiency of the air flow device 1000, the dewing of the dishwasher perspective window is mainly due to the influence of the external environment temperature and the internal environment parameters inside the dishwasher, wherein the internal environment parameters include the washing temperature, the air humidity and the dew point temperature inside the dishwasher, in the occasion with higher requirement on the control precision, the second parameter obtaining unit 2002 can be selected to obtain the washing temperature, the air humidity and the dew point temperature inside the dishwasher as the internal environment parameters, in some occasions, the washing temperature inside the dishwasher can be selected as the internal environment parameters, the washing temperature is the parameter most directly and obviously influencing the dewing of the perspective window inside the dishwasher, the implementation difficulty can be reduced by using the washing temperature as the internal environment parameter, the working efficiency is improved, in the above embodiment, the second obtaining unit 2002 may be selected for obtaining a washing temperature parameter inside the dishwasher. Compared with the method that the expected start-stop period is obtained through each parameter value of the external environment temperature parameter and the internal environment parameter, and the start-stop period of the air flow device 1000 is further adjusted, although the accuracy is ensured, the calculation amount is overlarge due to excessive data, the adjustment of the air flow device 1000 is caused by slight change of any parameter, so that the operation of the air flow device 1000 is quite unstable, the corresponding parameter interval is obtained through the parameter values of the external environment temperature parameter and the internal environment parameter, the expected start-stop period is obtained according to the closing of the parameter interval and the expected start-stop period, and the start-stop period of the air flow device 1000 is finally adjusted according to the expected start-stop period, so that the method is a more effective mode, on one hand, the operation of the air flow device 1000 is more stable, and unnecessary operation fluctuation is reduced, on the other hand, through effective division of the parameter interval, the accuracy of adjustment can be ensured, and the effect of preventing the dew condensation of the dish washer perspective window is met.
In a specific example, the second obtaining unit 2002 is disposed on an outer side surface of the dishwasher transparent window to obtain a temperature parameter at the outer side surface of the dishwasher transparent window, with the temperature parameter as an external ambient temperature parameter.
In a specific example, the first obtaining unit 2001 and the second obtaining unit 2002 may be selectively configured as temperature detecting components in a transparent window of the dishwasher, and the dishwasher is mostly configured with temperature detecting components to detect the washing temperature during washing in order to detect the washing temperature during operation, in this example, the second obtaining unit 2002 is configured as a temperature detecting component carried in the transparent window, that is, an external environment temperature parameter and a washing temperature parameter are obtained by the same temperature detecting component, wherein, the temperature of the inlet water at the moment is selected to be obtained by the temperature detecting component during the first water inlet of the dishwasher, the washing temperature at the moment is obtained by the temperature detecting component during washing, the inlet water temperature and the washing temperature are respectively used as the external environment temperature parameter and the washing temperature parameter, of course, in order to ensure the accurate conversion between the inlet water temperature and the external environment temperature parameter, optionally, a modified parameter may be added to the captured inlet water temperature to improve accuracy.
In a specific example, the control device 2000 further includes an opening unit configured to control the air flow device 1000 to be opened according to a user opening instruction when receiving the user opening instruction, and a closing unit configured to control the air flow device 1000 to be closed according to the user closing instruction when receiving the user closing instruction. The user's switch command may be selectively transmitted to the control device 2000 through a mechanical control button, a touch control button, a voice receiving part, a photoelectric receiving part, etc. installed on the dishwasher. The air flow device 1000 can be started along with the starting operation of the dishwasher in most cases, but the air flow device 1000 can not be started under the condition that the system detects that the perspective window of the dishwasher can not generate dew, thereby saving energy, in addition, after the air flow device 1000 works, a user may not need to observe the specific conditions of the dishwasher in the dishwasher, thereby meeting the requirements of the user according to an input switch instruction by opening and closing the unit, and controlling the air flow device 1000 to be started and closed at the required moment, so as to improve the friendly feeling and the experience feeling of the product.
As shown in fig. 9, the embodiment of the present application further provides a dishwasher, which includes a main body 1, a transparent window 2 installed on the main body 1, and an air flowing device 3 as described above.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A method for preventing dewing on a window of a dishwasher, comprising:
the dishwasher is characterized in that an air flow device is arranged, and when the air flow device works, the air outside the dishwasher is guided into the dishwasher, so that the area inside the dishwasher, which is positioned at the inner side of the perspective window, forms air flow with preset flow speed.
2. The method of claim 1, wherein after said providing air flow means which, in operation, directs air from outside the dishwasher into the interior of the dishwasher, the method comprises:
and adjusting the start-stop period of the air flow device according to the external environment temperature parameter outside the dishwasher and the internal environment parameter inside the dishwasher.
3. The method of claim 2, wherein said adjusting the start-stop cycle of the air flow device based on an external ambient temperature parameter external to the dishwasher and an internal ambient parameter internal to the dishwasher comprises:
acquiring an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher;
acquiring an expected start-stop period according to the external environment temperature parameter, the internal environment parameter and a relation comparison table of the external environment temperature parameter, the internal environment parameter and the expected start-stop period;
adjusting a start-stop period of the air flow device according to the desired start-stop period.
4. The method of claim 2, wherein said adjusting the start-stop cycle of the air flow device based on an external ambient temperature parameter external to the dishwasher and an internal ambient parameter internal to the dishwasher comprises:
acquiring an external environment temperature parameter outside the dishwasher and an internal environment parameter inside the dishwasher;
acquiring an external environment temperature parameter interval according to the external environment temperature parameter, and acquiring an internal environment parameter interval according to the internal environment parameter;
acquiring the expected start-stop period according to the external environment temperature parameter interval, the internal environment parameter interval and a relation comparison table of the external environment temperature parameter interval, the internal environment parameter interval and the expected start-stop period;
adjusting a start-stop period of the air flow device according to the desired start-stop period.
5. The method of claim 3 or 4, wherein the internal environment parameters comprise: and the washing temperature parameter is used for washing in the dish washing machine.
6. The method of claim 3 or 4, wherein said obtaining an external ambient temperature parameter external to said dishwasher comprises:
and acquiring an environment temperature parameter outside the perspective window, and representing the external environment temperature parameter.
7. The method of claim 3 or 4, wherein said obtaining an external ambient temperature parameter external to said dishwasher comprises:
and acquiring a water inlet temperature parameter when water enters the dishwasher for the first time, and representing the external environment temperature parameter.
8. The method of claim 1,
and if a user switch instruction is received, the air flow device is turned on or turned off according to the user switch instruction.
9. A device for preventing dewing of a window of a dishwasher, comprising: the air flow device guides air outside the dishwasher into the dishwasher when the air flow device works, so that the area inside the dishwasher and positioned at the inner side of the perspective window forms air flow with preset flow speed.
10. A dishwasher comprising a see-through window, characterized by further comprising a device for preventing dew condensation of the see-through window of the dishwasher according to claim 9.
CN202110394363.8A 2021-04-13 2021-04-13 Method and device for preventing dew condensation of dish-washing machine perspective window and dish-washing machine Pending CN113116270A (en)

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