CN107374537B - Control method of dish washing machine and dish washing machine - Google Patents
Control method of dish washing machine and dish washing machine Download PDFInfo
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- CN107374537B CN107374537B CN201710642031.0A CN201710642031A CN107374537B CN 107374537 B CN107374537 B CN 107374537B CN 201710642031 A CN201710642031 A CN 201710642031A CN 107374537 B CN107374537 B CN 107374537B
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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
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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
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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
- A47L15/0031—Water discharge phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4223—Devices for water discharge, e.g. devices to prevent siphoning, non-return valves
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
The invention provides a control method of a dishwasher, comprising the following steps: setting maximum water holding time T of water tank of dishwashermax(ii) a After the dish-washing machine finishes washing, detecting whether water is stored in the water tank or not; if no water is stored, ending the program; if water is stored, recording the time length T of the Nth water storagen(ii) a And storing the Nth water for a time period TnAnd the maximum water storage time TmaxComparing the water storage time length T when the Nth time isnEqual to or more than the longest water storage time T of the water tankmaxWhen the water in the water tank is emptied for the Nth time, the program is ended; and wherein the Nth water holding time period T is recorded from the startnAnd no longer detecting whether water exists in the water tank within the time period between the implementation of the Nth emptying. The invention also provides a dishwasher. The invention can ensure that the residual water in the water tank does not exceed the preset water storage time.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a control method of a dish washing machine and the dish washing machine.
Background
Since the conventional dish washer needs to be installed with water inlet and water discharge during the use process and is limited by the location during the installation, some dish washer products using a water tank to store washing water appear.
However, different procedures require different amounts of water. When the dishwasher is operated or abnormal conditions occur, the water tank has a little residual water. If left for too long, this residual water can be tasting and the user experience is very poor.
Disclosure of Invention
The present invention has been made to overcome the above problems occurring in the prior art, and an object of the present invention is to provide a control method of a dishwasher and a dishwasher, which allow residual water in a water tank not to exceed a preset water holding time.
In order to accomplish the above object, an aspect of the present invention provides a control method of a dishwasher, comprising: setting maximum water holding time T of water tank of dishwashermax(ii) a After the dish-washing machine finishes washing, detecting whether water is stored in the water tank or not; if no water is stored, ending the program; if water is stored, recording the time length T of the Nth water storagen(ii) a And storing the Nth water for a time period TnAnd the maximum water storage time TmaxComparing the water storage time length T when the Nth time isnEqual to or more than the longest water storage time T of the water tankmaxWhen the water in the water tank is emptied for the Nth time, the program is ended; and wherein the Nth water holding time period T is recorded from the startnAnd no longer detecting whether water exists in the water tank within the time period between the implementation of the Nth emptying.
Preferably, the maximum water holding time TmaxArbitrarily set by the user.
Preferably, the water tank has the longest water storage time TmaxNot exceeding 72 hours.
Preferably, the nth drain is performed with the dishwasher in an unwashed state.
Preferably, when the Nth time water storage is performed, the time length TnEqual to or more than the longest water storage time T of the water tankmaxThe dishwasher then issues a drain alarm.
Preferably, the N-th evacuation is performed using either a manual embodiment or an automatic embodiment.
In another aspect, the present invention provides a dishwasher, comprising: a control module in which the longest water holding time T of a water tank of the dishwasher is storedmax(ii) a The detection module is electrically connected with the control module, and after the dishwasher finishes washing, the detection module detects whether water is stored in the water tank; a recording module electrically connected with the control module, and a detection moduleWhen water is detected in the water tank, the recording module starts to record the Nth water storage time length Tn(ii) a A comparison module electrically connected with the control module for comparing the Nth water storage time length TnWith maximum water storage time T of said water tankmax(ii) a When the Nth water storage time length TnEqual to or more than the longest water storage time T of the water tankmaxWhen the water is drained, the comparison module sends a drainage signal; the drainage module is electrically connected with the control module and is used for emptying the water in the water tank for the Nth time according to the drainage signal; wherein the Nth water storage time length T is recorded from the recording modulenThe detection module stops detecting the water level until the draining module performs the Nth emptying.
Preferably, the dishwasher further comprises an adjusting button electrically connected with the control module for a user to set the maximum water holding time Tmax。
Preferably, the control module receives a drainage signal sent by the comparison module and automatically controls the drainage module to perform the nth emptying according to the drainage signal; or the dishwasher is provided with a drainage key electrically connected with the control module, and a user manually operates the drainage key to control the drainage module to perform the N-th emptying.
Preferably, the dishwasher further comprises an alarm module electrically connected with the control module, and the control module starts the alarm module to give a drainage alarm when the comparison module gives the drainage signal.
Through the technical scheme, the control method detects whether water is stored in the water tank or not after the washing of the dish-washing machine is finished, and records the Nth water storage time length T after the water is detected to be storednAnd the Nth time of water storage is kept for a time period TnMaximum water storage time T with water tankmaxComparing the water storage time length T when the Nth time isnEqual to or more than the longest water storage time T of the water tankmaxWhen the water in the water tank is emptied for the Nth time. Thus, in the case of water in the tank, this is the caseSome of the water is monitored by the storage time, once the storage time reaches or exceeds the maximum water storage time TmaxThe water in the water tank is completely drained, so that the water stored in the water tank is prevented from being deteriorated due to the overlong residual time.
Drawings
FIG. 1 is a flow chart of a control method of a dishwasher according to the present invention;
FIG. 2 is a flow chart of one embodiment of a control method of a dishwasher according to the present invention;
fig. 3 is a schematic view of the structure of a dishwasher according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1 and 2, the present invention provides a control method of a dishwasher.
According to an embodiment of the present invention, the control method includes setting a maximum water holding time T of a water tank of the dishwashermax. Maximum water holding time TmaxMay be determined based on a variety of factors. For example, the maximum water holding time T can be determined according to the use environment temperature of the dishwasher under the condition of higher environment temperaturemaxThe value of (d) is set smaller; under the condition of low ambient temperature, the longest water storage time T can be ensuredmaxThe value of (c) is set large. For example, the maximum water retention time T can be determined according to the sufficiency of the water supply and the maximum water retention time T can be set when the water supply is sufficientmaxThe value of (d) is set smaller; in the case of insufficient water supply, the maximum water storage time T can be setmaxThe value of (c) is set large. And so on.
According to the embodiment of the invention, the control method also comprises the steps that after the dishwasher finishes washing, whether water is stored in the water tank or not is detected; if no water is stored, ending the program; if water is stored, recording the time length T of the Nth water storagen. That is, every time the dishwasher completes washing, it detects whether water is stored in the water tank. Can be used for dredgingThe water level gauge can detect water level, or can detect water level through a sensor arranged at the bottom of the water tank. If no water is stored in the water tank, the program is ended. If water is detected in the water tank, it can be considered that water is added to the water tank before the present washing but is not used in the washing process. Therefore, when the water is detected, the recording of the water storing period T is startedn. The recorded water storage time length T can be considerednIs the Nth water-holding time period TnN may represent any of 1, 2, and 3 … …. Wherein the water storage time period TnThe time parameter can be measured by a meter for measuring time.
According to the embodiment of the invention, the Nth time water storage period TnMaximum water storage time T with water tankmaxComparing the water storage time length T when the Nth time isnEqual to or more than the longest water storage time T of the water tankmaxAnd (4) performing Nth emptying on the water in the water tank, and ending the program. The Nth water storage time length T is recordednThen, as time goes on, the Nth water-holding time length TnIs getting closer to the maximum water holding time Tmax. When the Nth time of water storage is longnEqual to or more than the longest water storage time T of the water tankmaxIt is stated that the water in the water tank is not available for further storage or use in the water tank, and therefore the water in the water tank is completely emptied. Corresponding to the Nth water storage record, the emptying of the water tank is the Nth emptying. After the water in the water tank is completely drained, the procedure is ended. The process is repeated after the dishwasher completes the next washing.
It is to be noted that, in the control method of the present invention, the Nth water holding time period T is recorded from the startnDuring the time between the N-th emptying, no further water is detected in the tank. This is because, if the longest water retention time T is heldmaxIs set to be large, the Nth water storing time period T is setnThe maximum water storage time T of the water tank is not reached to be equal to or more thanmaxPossibly the dishwasher will also perform a number of washing operations during the time period(s) of (a). If the water level in the water tank is detected after each washing operation and continuedThe Nth time of water storage is longnMaximum water storage time T with water tankmaxBy comparison, a large amount of superimposed data is generated, which may interfere with each other. Thus, according to embodiments of the present invention, once a water spot is detected in the water tank, only the storage time of the Nth water spot is monitored until the water spot duration TnReach the maximum water storage time TmaxAnd then completely emptied. During this time, no new detection and comparison data are generated regardless of whether the dishwasher is washing, how many times the dishwasher is washing, and whether the water in the water tank is increased or decreased during the washing. Thus, the storage time of the Nth water storage in the water tank can be accurately monitored, and the procedure is simplified.
According to the above, when there is water in the tank, this portion of the water is monitored for a storage period that reaches or exceeds the maximum water storage time TmaxThe water in the water tank is completely drained, so that the water stored in the water tank is prevented from being deteriorated due to the overlong residual time.
Preferably, according to an embodiment of the present invention, the maximum water holding time TmaxArbitrarily set by the user. As described above, the maximum water holding time TmaxMay be determined based on a variety of factors. For example, may be determined according to the temperature of the use environment of the dishwasher, may be determined according to the sufficiency of the water supply, and the like. For example, the user can also determine the personal habits of some users, some users are used to use the water washing bowl which is injected with fresh water every time, some users can accept the water washing bowl stored within one day, and some users can accept the water washing bowl stored for a longer time. It can be seen that whether ambient temperature, sufficiency of water supply, or personal habits are closely related to the personal condition of the end user. Therefore, if only one fixed value is set when the dishwasher is shipped, the dishwasher is difficult to adapt to various use conditions. In the control method of the invention, the longest water storage time T is setmaxThe method can be set by a user at will, so that the application range of the control method can be greatly improved, and the dish-washing machine can be suitable for various working conditions.
Preferably, according to an embodiment of the present invention, the maximum water holding time T of the water tankmaxNot exceedingAfter 72 hours. That is, from the detection of water storage in the water tank, until the water in the water tank is completely drained, not more than 72 hours. Thus, the water in the water tank can be ensured not to deteriorate. During this time, the initially detected portion of the water spot may be mixed with the newly injected water several times in the water tank, or the portion of the water may be stored in the water tank without further operation of the dishwasher, and in any case, may be completely drained after a maximum of 72 hours from the initially detected portion. When the tank is emptied, the next time a wash is to be performed, the full fresh water is filled into the tank.
According to an embodiment of the invention, the dishwasher is in an unwashed state when the nth drain is performed. That is, even when the Nth water storage period TnEqual to or more than the longest water storage time T of the water tankmaxIn time, if the dishwasher is in a washing state, the drainage is not implemented, thereby avoiding influencing the normal washing program. The nth drain is preferably performed when the dishwasher is in a ready-to-wash state or a wash complete state.
Preferably, according to an embodiment of the present invention, the time period T when the Nth water storage is performednEqual to or more than the longest water storage time T of the water tankmaxWhen the alarm is not detected, the dishwasher gives a water discharge alarm. The alarm is sent out, so that the user can know the water storage condition in the water tank. In addition, it is preferred to carry out the nth drain using either a manual or an automatic embodiment. When the manual embodiment is used, the water discharge alarm is issued to remind the user that the water stored in the water tank should be discharged, and the user can perform water discharge by manual operation accordingly. When using the automatic embodiment, the dishwasher may automatically initiate the draining while the alarm is issued, and the user may then know the reason why the dishwasher is emptying the water tank.
Referring to fig. 3, another aspect of the present invention also provides a dishwasher. The dishwasher comprises a control module, and a detection module, a recording module, a comparison module and a drainage module which are electrically connected with the control module. Wherein the control module stores the longest water storage time T of the water tank of the dishwashermax(ii) a The detection module is used for detecting whether water is stored in the water tank after the dishwasher finishes washing. The detection module may comprise a water level gaugeOr a sensor. When the detection module detects that water is stored in the water tank, the detection module feeds back a signal to the control module, and the control module controls the recording module to record the Nth water storage time length Tn. The recording module may include a clock having a memory function. The comparison module is used for comparing the Nth water storage time length TnLongest water storage time T with water tankmax(ii) a When the Nth time of water storage is longnEqual to or more than the longest water storage time T of the water tankmaxAnd the comparison module sends a drainage signal. The drain module performs an nth drain of the water in the water tank in response to the drain signal. The drain module may include a suction pump through which water in the water tank may be drawn. In addition, according to the embodiment of the present invention, the Nth water holding time period T is recorded from the recording modulenAnd the detection module stops detecting in the time period between the implementation of the Nth emptying by the drainage module.
According to an embodiment of the present invention, the dishwasher further includes an adjustment button. The adjusting key is electrically connected with the control module for the user to set the longest water storage time Tmax. The adjusting key can be a key integrated in the liquid crystal display or a button of a separately arranged mechanical structure. The user can press the adjusting button randomly according to the specific use condition of the dishwasher to adjust the longest water storage time T at any timemax。
According to the embodiment of the invention, the implementation of the N evacuation can be an automatic implementation or a manual implementation. When the automatic implementation mode is adopted, the control module receives the drainage signal sent by the comparison module and then automatically controls the drainage module to carry out the N-time emptying according to the drainage signal. In the manual embodiment, a drain button electrically connected to the control module may be provided on the dishwasher. The user can manually control the drainage module to perform the N-time drainage by operating the drainage button. The drainage key can be a key integrated in the liquid crystal display or a button of a separately arranged mechanical structure.
According to an embodiment of the present invention, the dishwasher further includes an alarm module. The alarm module is electrically connected with the control module, and when the comparison module sends a drainage signal, the control module starts the alarm module to send a drainage alarm. When the manual implementation mode is used, the alarm module sends out a drainage alarm to remind a user that water stored in the water tank should be drained, and the user can manually operate the drainage button to drain water. When the automatic implementation mode is used, the alarm module gives an alarm, the control module can automatically start the drainage module to drain water at the same time, and a user can know the reason why the dishwasher empties the water tank.
The aforementioned embodiments of the invention can be applied to the subject matter of the dishwasher of the invention, and combinations of the various embodiments are also within the scope of the invention. The same contents are not repeated herein.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention. Including each of the specific features, are combined in any suitable manner. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (7)
1. A control method of a dishwasher, comprising:
setting maximum water holding time T of water tank of dishwashermax；
After the dish-washing machine finishes washing, detecting whether water is stored in the water tank or not; if no water is stored, ending the program; if water is stored, recording the time length T of the Nth water storagen(ii) a And
the Nth water storage time length TnAnd the maximum water storage time TmaxComparing the water storage time length T when the Nth time isnEqual to or greater than the maximum water retention time TmaxWhen the water in the water tank is emptied for the Nth time, the program is ended; and is
Wherein the Nth water holding time period T is recorded from the beginningnUntil the time period between the N-th emptying, no longer detecting whether water exists in the water tank;
when the Nth water storage time Tn is equal to or larger than the longest water storage time Tmax, the dishwasher gives a drainage alarm;
when the N-time emptying is carried out, the dishwasher is in an unwashed state.
2. The control method of a dishwasher according to claim 1, wherein the maximum water holding time TmaxArbitrarily set by the user.
3. The control method of a dishwasher according to claim 1 or 2, wherein the maximum water holding time TmaxNot exceeding 72 hours.
4. The control method of a dishwasher according to claim 1, wherein the N-th drain is performed using a manual embodiment or an automatic embodiment.
5. A dishwasher, comprising:
a control module in which the longest water holding time T of a water tank of the dishwasher is storedmax；
The detection module is electrically connected with the control module, and after the dishwasher finishes washing, the detection module detects whether water is stored in the water tank;
the recording module is electrically connected with the control module, and when the detection module detects that water is stored in the water tank, the recording module starts to record the Nth water storage time length Tn；
A comparison module electrically connected with the control module for comparing the Nth water storage time length TnAnd the maximum water storage time Tmax(ii) a When the Nth water storage time length TnEqual to or greater than the maximum water retention time TmaxWhen the water is drained, the comparison module sends a drainage signal; and
the drainage module is electrically connected with the control module and is used for emptying the water in the water tank for the Nth time according to the drainage signal;
the alarm module is electrically connected with the control module, and the control module starts the alarm module to send out a drainage alarm when the comparison module sends out the drainage signal;
wherein the Nth water storage time length T is recorded from the recording modulenThe detection module stops detecting the time period between the draining module and the N-th emptying, and the dishwasher is in an unwashed state when the N-th emptying is carried out.
6. The dishwasher of claim 5, further comprising an adjustment button electrically connected to the control module for a user to set the maximum water holding time Tmax。
7. The dishwasher of claim 5, wherein the control module receives a drain signal from the comparison module and automatically controls the drain module to perform the nth drain in accordance with the drain signal; or
The dishwasher is provided with a drainage key electrically connected with the control module, and a user manually operates the drainage key to control the drainage module to perform the N-th emptying.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108457064B (en) * | 2018-03-20 | 2020-11-10 | 广州视源电子科技股份有限公司 | Steam generation system of clothes care machine and clothes care machine |
| CN108784587B (en) * | 2018-06-20 | 2021-06-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Control method and control system for dish basket of dish washing machine |
| CN111839392A (en) * | 2019-04-28 | 2020-10-30 | 青岛海尔洗碗机有限公司 | Dish washing machine and control method |
| CN111904352A (en) * | 2019-05-09 | 2020-11-10 | 青岛海尔洗碗机有限公司 | Dish washer with multiple washing units and drainage control method |
| CN113907669B (en) * | 2020-07-09 | 2024-05-24 | 佛山市百斯特电器科技有限公司 | Control method and device based on washing equipment |
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