Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention carries out heating operation on the water body to be heated in the first heating time when the current condition of meeting the heating triggering condition is detected, detects whether the water temperature is in the preset first standard range after the water body is heated for the first time, carries out secondary heating on the water body in the second heating time if the first temperature after the water body is heated for the first time is detected to be in the first standard range, so that the water temperature of the water body to be heated is increased to the second temperature, detects whether the second temperature is in the second standard temperature, identifies the abnormality of the heating module if the second temperature is not in the second standard temperature range, realizes the automatic identification of the abnormality of the heating module, solves the problems that the existing dishwasher control technology often detects the water body temperature by arranging a temperature sensor, judges whether the heating module is abnormal or not by detecting whether the water temperature reaches the preset temperature value, and the abnormal condition that the heating module is abnormal and the water body is heated through the temperature of the box body cannot be identified, so that the accuracy of abnormal identification is reduced.
In the embodiment of the invention, the execution subject of the process is a dishwasher. The dishwasher is provided with a data processing module, processes information fed back by each sensor or data acquisition device through the data processing module, automatically executes disinfection operation, and the data processing module can be a microprocessor such as a single chip microcomputer. Fig. 1 shows a flow chart of an implementation of a method for detecting a heating anomaly according to a first embodiment of the present invention, which is detailed as follows:
in S101, if a preset heating trigger condition is satisfied, heating the water body to be heated within a first heating time, and obtaining a first temperature of the water body after heating within the first heating time.
In this embodiment, the dishwasher may be provided with a heating trigger condition, which may be a time trigger condition or an event trigger condition. If the heating triggering condition is a time triggering condition, after the dishwasher starts a washing process or a user sets a washing mode, at least one heating triggering time node configured for the washing process and/or the washing mode can be obtained, when the dishwasher starts a corresponding washing process, an operation timer can be started, and the operation time of the dishwasher is detected through the operation timer. If it is detected that the timer of the running timer reaches the heating trigger time node, it is recognized that a preset heating trigger condition is currently satisfied, and the operation of S101 is executed. The heating triggering condition can also be a time triggering condition, the same operation mode has different operation time lengths due to different water inlet speeds of each family, and if the triggering detection is carried out in a mode of setting triggering time nodes, the starting opportunity is inaccurate.
In the embodiment, the dishwasher is provided with a first heating time and a second heating time, and the water body is subjected to the segmented heating operation through the two heating times. When judging that the present heating trigger condition that satisfies predetermineeing, dish washer can start a heating timer to start heating module, heat the operation through heating module to the water that treats the heating in the water storage part, of course, if the temperature of each part is higher in the box of dish washer, then each part around the water storage part also can be given the water that treats the heating with the heat transport on surface equally, causes the water to heat up. After the counting value of the heating timer is detected to reach the first heating time, the first temperature of the water body at the detection moment can be obtained through the temperature sensor.
Optionally, in this embodiment, the dishwasher may obtain a volumetric value and an initial temperature value of a water body to be heated in the water storage component, introduce the volumetric value and the initial temperature value into a preset heating duration conversion function, and calculate the first heating duration. If the capacity value is larger, the corresponding heating time length is longer, and the lower the initial temperature of the water body is, the corresponding heating time length is longer. Preferably, the heating time period conversion function may be:
wherein, Heattime1A first heating time; volume is the Volume value of the water to be heated; maxvolume is the total capacity of the water storage components; temp is the initial temperature; TrgTemp is a preset target temperature, and alpha and beta are preset weighting coefficients; StdTime is a reference heating time period.
Preferably, the dishwasher may further obtain the temperature in the cavity if a temperature sensor is also disposed in the washing cavity of the dishwasher in addition to the volume value and the initial temperature value of the water body, and calculate the first heating time based on the temperature in the cavity, the volume value and/or the initial temperature value.
In S102, if the first temperature is within a preset first standard temperature range, the water body is heated within a second heating time, and a second temperature of the water body after heating within the second heating time is obtained.
In this embodiment, the dish washer can judge whether this water reaches predetermined first standard temperature within range after carrying out the first heating to the water, if detect the water and in first standard temperature within range, then need carry out the unusual identification flow of secondary, further distinguish this heating operation because the heating module normal work leads to the water intensification, or because the box internal temperature is higher and cause the intensification to the water. On the contrary, if the water body is out of the first standard range, the heating module abnormity can be identified, and the heating module abnormity information is output, so that the user can conveniently perform subsequent abnormity processing.
In this embodiment, after detecting that the first temperature of the water body to be heated is within the first standard temperature range, the dishwasher may reset the heating timer, and restart the heating module to perform the secondary heating operation on the water body. And if the counting value of the heating timer is detected to reach the second heating time, the second temperature of the water body at the moment when the second heating time is reached can be obtained again through the temperature sensor. Optionally, the dishwasher may also adjust the second heating time by the above parameters, thereby ensuring that the second heating time matches the water body to be heated and the environmental parameters.
In S103, if the second temperature is outside a preset second standard temperature range, an abnormality of the heating module is identified.
In this embodiment, if it is detected that the second temperature is within the second standard temperature range, it is recognized that the heating module is normal, and a subsequent cleaning operation is performed; on the contrary, if the second temperature is detected to be outside the second standard temperature range, the heating module may not be normally started, so that the temperature of the water body cannot be raised to the preset temperature value, and the heating module may be identified as abnormal.
As can be seen from the above, in the method for detecting heating abnormality provided in the embodiment of the present invention, when it is detected that the current heating trigger condition is met, the water body to be heated is heated within the first heating time, and it is detected whether the water temperature is within the preset first standard range after the water body is heated for the first time, if it is detected that the first temperature after the water body is heated for the first time is within the first standard range, the water body is heated for the second time within the second heating time, so that the water temperature of the water body to be heated is increased to the second temperature, and it is detected whether the second temperature is within the second standard temperature, if the second temperature is not within the second standard temperature range, the heating module abnormality is identified, and the automatic identification of the heating module abnormality is realized. Compared with the prior art of controlling the dish washer, the invention carries out secondary temperature detection by sectional heating, reduces the influence on abnormal judgment of the heating module caused by heating the water body due to higher temperature of the box body, stabilizes the water temperature of the water body to be heated by primary heating, and at this stage, if the surface temperature of the box body is higher, the water body can be heated together with the heating module, and in the heating process, the surface of the box body continuously emits heat, and the water body to be heated can continuously absorb the heat until the temperatures of the two are equal, at the moment, the temperature of the water body is firstly detected, if the first temperature is detected to be within a first standard temperature range, the water body is continuously heated for the second time, at the moment, because the water temperature is equal to the surface temperature of the box body, the surface of the box body can not convey heat to the water body, if the water temperature is continuously raised, the heating module can be, the abnormity of the heating module can be identified, the abnormity of the heating module is accurately identified, and the accuracy of abnormity identification is improved.
Fig. 2 shows a flowchart of a specific implementation of a method S101 for detecting a heating abnormality according to a second embodiment of the present invention. Referring to fig. 2, with respect to the embodiment shown in fig. 1, a method S101 for detecting a heating abnormality provided in this embodiment includes: s1011 to S1013 are specifically described as follows:
further, if the preset heating triggering condition is met, the water body to be heated is heated within a first heating time, and a first temperature of the water body after the water body is heated within the first heating time is obtained, including:
in S1011, the current operation phase is acquired, and the operation list included in the operation phase is queried.
In this embodiment, the dishwasher may be provided with an operation stage detection period, in which case the dishwasher may acquire an operation stage of the dishwasher at the detection time based on the operation stage detection period interval. Of course, the dishwasher may also be provided with a trigger condition, for example, if it is detected that a certain operation phase is executed and the next operation phase is ready to enter, the operation of S1011 is triggered, so as to determine the operation list associated with the next operation phase, or when the dishwasher receives an operation instruction initiated by a user, since the dishwasher needs to switch the operation phase to the operation corresponding to the operation instruction, the operation of S1011 may also be triggered at this time.
In this embodiment, since the dishwasher can automatically perform the washing operation on the tableware and the drying operation after the washing operation according to the preset washing flow, and the operation process includes a plurality of different operation stages, such as a pre-washing stage, a strong washing stage, a drying stage, and a disinfecting stage, the dishwasher determines that the current condition of water intake triggering is satisfied, and when the water body of the water intake is hot water, it recognizes that the operation stage includes the heating operation.
Optionally, in this embodiment, when the dishwasher is started, the operation flow and the total operation time of the operation may be determined according to the operation mode selected by the user, if the preset operation phase detection condition of the dishwasher is met, the operated time is obtained, the operation schedule is determined based on the operated time and the total cleaning time, and the operation phase currently being executed by the dishwasher is determined according to the operation flow and the operation schedule.
In this embodiment, the dishwasher may determine an operation list included in the operation phase according to the operation phase, and determine whether the operation list includes an air supply operation. If the operation list is detected to contain the heating operation, the operation of S1012 is executed; on the contrary, if the operation list does not include the heating operation, the corresponding cleaning operation is executed according to the trigger time of each operation content.
In S1012, if the operation list includes a heating operation, acquiring an initial temperature of the water body to be heated.
In this embodiment, the dishwasher may set the corresponding first heating time according to the initial temperature of the water body to be heated. Based on this, when the dishwasher judges that the current operation stage comprises heating operation, the dishwasher can acquire the initial temperature of the water body to be heated through the temperature sensor arranged in the water storage part.
In S1013, the first heating time matched with the initial temperature is selected, and a plurality of water body temperatures of the water body are obtained at preset collection intervals within the first heating time.
In this embodiment, the dishwasher is provided with a corresponding relation table of an initial temperature and a first heating time, since the heating efficiency of the heating module is constant, if the water body to be heated needs to climb to a preset temperature, if the initial temperature of the water body is different, the required heating time is also different, in order to accurately detect the abnormality of the heating module, the dishwasher may query the corresponding relation table after acquiring the initial temperature, determine the first heating time associated with the initial temperature, and if the initial temperature is lower, the first heating time is longer; conversely, the higher the initial temperature, the shorter the first heating time. After the first heating time is determined, the dishwasher can perform heating operation on the water body through the heating module within the first heating time, and acquire the water body temperature of the water body at different acquisition moments at preset acquisition intervals within the whole first heating time.
In the embodiment of the invention, the current operation stage of the dishwasher is determined, whether the operation stage comprises heating operation is judged, and the first heating time is adjusted according to the initial water temperature, so that the water to be heated can be ensured to be increased to the preset temperature value, and the accuracy of abnormality detection is improved.
Fig. 3 shows a flowchart of a specific implementation of the method S102 for detecting a heating abnormality according to the third embodiment of the present invention. Referring to fig. 3, with respect to the embodiment described in fig. 2, a method S102 for detecting a heating abnormality provided in this embodiment includes: s1021 to S1024 are described in detail as follows:
further, if the first temperature is within a preset first standard temperature range, performing a heating operation on the water body within a second heating time, and obtaining a second temperature of the water body after the water body is heated within the second heating time includes:
in S1021, the initial temperature and the plurality of water body temperatures are marked on preset coordinate axes.
In this embodiment, the dishwasher acquires the water temperatures of the water body at different acquisition moments at preset acquisition intervals in the heating process, and determines the coordinate positions of the water body temperatures on preset coordinate axes according to the acquisition time and the temperature value of each water body temperature, wherein the longitudinal axis of the coordinate axes may be a temperature value, and the horizontal axis is a time value.
In S1022, a heating ramp curve for the body of water over the first heating time is constructed by a linear fitting algorithm.
In this embodiment, the dishwasher may fit a heating ramp curve composed of coordinate points of a plurality of water temperatures through a linear fitting algorithm. The dishwasher can set a benchmark function according to the rising characteristic of the water body, and the benchmark function can be a linear function, a quadratic function and the like.
In S1023, an integrated area of an intersection region between the heating ramp curve and a standard ramp curve corresponding to the first heating time is calculated.
In this embodiment, after generating the heating ramp curve of the heating operation, the dishwasher may draw a standard ramp curve matching the duration of the first heating time on the coordinate axis, where it should be noted that, different durations of the first heating time may be different, and multiple corresponding standard ramp curves may also be different. After a heating climbing curve and a standard climbing curve are generated on the same coordinate axis, the intersection area of the two curves can be identified, namely, the larger the intersection area is, the larger the difference between the climbing process and the standard climbing process is; on the contrary, if the intersection area is smaller, the climbing process is similar to the standard climbing process, and whether the heating module is abnormal or not can be identified according to the size of the intersection area.
At 1024, if the integrated area is less than a preset integrated threshold, it is identified that the first temperature is within a preset first standard temperature range.
In this embodiment, if it is detected that the integrated area is smaller than the preset integrated threshold, it indicates that the actual climbing process is similar to the standard climbing process, and at this time, it may be recognized that the first temperature is within the standard temperature range; on the contrary, if the integral area is detected to be larger than or equal to the preset integral threshold, the difference between the actual climbing process and the standard climbing process is large, and the heating module abnormality can be identified at the moment.
In the embodiment of the invention, whether the heating module operates in the preset working range is determined by constructing the heating climbing curve and comparing the heating climbing curve with the standard climbing curve, so that the aim of accurately judging whether the heating module is abnormal can be fulfilled.
Fig. 4 shows a flowchart of a specific implementation of S103 of a method for detecting a heating abnormality according to a fourth embodiment of the present invention. Referring to fig. 4, with respect to the embodiment described in fig. 1 to 3, the method S103 for detecting a heating abnormality provided in this embodiment includes: s1031 to S1033 are specifically described as follows:
further, if the second temperature is outside a preset second standard temperature range, identifying that the heating module is abnormal includes:
in S1031, adjusting an operating position of the heating module, performing heating operation on the water body within a third heating time, and obtaining a third temperature of the water body after heating in the third heating time.
In this embodiment, when the heating module is detected to be abnormal, the dishwasher may cause the water temperature of the water to be heated to be unable to climb to the preset temperature value due to abnormal gear setting of the heating module, and under this condition, the dishwasher may repair the abnormal condition by adjusting the operating gear of the heating module. Based on this, dish washer can improve the work gear of heating module to can increase or reduce the heating efficiency of heating module, thereby guarantee that water temperature can climb to predetermined within range. At this time, the dishwasher may control the heating module to perform heating operation on the water body at the adjusted working gear within the third heating time, and obtain a third temperature after the third heating time.
In S1032, if the third temperature is within a preset third standard temperature range, adjusting a corresponding relationship between the shift position of the heating module and the heating operation, so as to use the adjusted operating shift position when performing the heating operation.
In this embodiment, if it is detected that the third temperature is within the third standard temperature range, it indicates that the water body can be normally heated by adjusting the working gear of the heating module, that is, the existing correspondence between the heating operation and the gear is not matched, and the correspondence needs to be adjusted.
In S1033, if the third temperature is outside the third standard temperature range, heating abnormality information is output, so that a maintenance worker can repair the heating module for an abnormality.
In this embodiment, if it is detected that the third temperature is outside the third standard range, it indicates that the abnormal condition of the heating module cannot be repaired by adjusting the gear, at this time, a piece of heating abnormal information is generated, and the generated heating abnormal information is sent to a user terminal of a maintenance worker or uploaded to a system server to notify the maintenance worker to repair the abnormal condition.
In the embodiment of the invention, the abnormal condition of the heating module is repaired in a gear adjusting mode, so that the self-repairing capability of the dishwasher can be improved.
Fig. 5 is a flowchart illustrating a specific implementation of a method for detecting a heating abnormality according to a fourth embodiment of the present invention. Referring to fig. 5, with respect to the embodiments 1 to 3, in the method for detecting heating abnormality provided in this embodiment, if the preset heating trigger condition is met, after the water body to be heated is heated within the first heating time, and the first temperature of the water body after being heated within the first heating time is obtained, the method further includes: s501, detailed details are as follows:
further, if the preset heating triggering condition is met, heating the water body to be heated within a first heating time, and after the first temperature of the water body heated within the first heating time is obtained, the method further includes:
in S501, if the first temperature is outside the first standard temperature range, it is identified that the heating module is abnormal.
In this embodiment, the dish washer is after treating the hot water body to heat for the first time, detects the first temperature of treating the hot water body outside first standard temperature range, then can judge that the heating module in the dish washer is unusual, can't guarantee that the water body reaches predetermined temperature, can output heating module abnormal information this moment to the user is handled the abnormal condition.
Optionally, in this embodiment, if the first temperature is lower than the lower limit value of the first standard temperature range, the heating module may not be normally started or the heating effect is not ideal, at this time, the dishwasher may send a start instruction to the heating module again, or raise an operation gear of the heating module, and perform a heating operation on the water to be heated again, and detect whether the water temperature after the heating operation is within the first standard temperature range, if so, the output module outputs the instruction to output the abnormal information, and adjusts a start script of the heating module of the dishwasher based on the module instruction output abnormal information, so as to normally control the heating module when starting next time. If the first temperature is higher than the upper limit value of the first standard temperature range, the working mode of the heating module may be too high, and at this time, the dishwasher may reduce the heating gear of the heating module, so that excessive heating may be avoided at the next heating operation.
In the embodiment of the invention, the heating module abnormality is detected when the water temperature cannot reach the preset first standard temperature when the water body is heated for the first time, so that the accuracy of the abnormal identification of the heating module can be improved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 6 shows a block diagram of a dishwasher according to an embodiment of the present invention, which includes units for performing the steps of the embodiment of fig. 1. Please refer to fig. 1 and fig. 1 for the corresponding description of the embodiment. For convenience of explanation, only the portions related to the present embodiment are shown.
Referring to fig. 6, the dishwasher includes:
the heating triggering unit 61 is configured to, if a preset heating triggering condition is met, perform heating operation on a water body to be heated within a first heating time, and obtain a first temperature of the water body after the water body is heated within the first heating time;
a first heating abnormality recognition unit 62, configured to, if the first temperature is within a preset first standard temperature range, perform heating operation on the water body within a second heating time, and obtain a second temperature of the water body after being heated within the second heating time;
and a second heating abnormality recognition unit 63, configured to recognize that the heating module is abnormal if the second temperature is outside a preset second standard temperature range.
Optionally, the heating trigger unit 61 includes:
the operation list acquisition unit is used for acquiring a current operation stage and inquiring an operation list contained in the operation stage;
the initial temperature acquisition unit is used for acquiring the initial temperature of the water body to be heated if the operation list contains heating operation;
and the water body temperature period acquisition unit is used for selecting the first heating time matched with the initial temperature and acquiring a plurality of water body temperatures of the water body at preset acquisition intervals in the first heating time.
Alternatively, the first heating abnormality recognition unit 62 includes:
the temperature parameter marking unit is used for marking the initial temperature and the water body temperatures on a preset coordinate axis;
a heating ramp curve construction unit for constructing a heating ramp curve for the water body over the first heating time by a linear fitting algorithm;
the intersection area calculation unit is used for calculating the integral area of an intersection region between the heating climbing curve and a standard climbing curve corresponding to the first heating time;
and the integral area comparison unit is used for identifying that the first temperature is in a preset first standard temperature range if the integral area is smaller than a preset integral threshold.
Optionally, the second heating abnormality recognition unit 63 includes:
the gear adjusting unit is used for adjusting the working gear of the heating module, heating the water body within a third heating time, and acquiring a third temperature of the water body after heating in the third heating time;
a corresponding relation configuration unit, configured to adjust a corresponding relation between the shift position of the heating module and the heating operation if the third temperature is within a preset third standard temperature range, so as to use the adjusted operating shift position when the heating operation is performed;
and the heating abnormal information output unit is used for outputting heating abnormal information if the third temperature is out of the third standard temperature range so as to carry out abnormal repair on the heating module by maintenance personnel.
Optionally, the dishwasher further comprises:
and the abnormality determination unit is used for identifying that the heating module is abnormal if the first temperature is out of the first standard temperature range.
Therefore, the dishwasher provided by the embodiment of the invention can also carry out secondary temperature detection through sectional heating, reduce the influence on abnormal judgment of the heating module caused by heating the water body due to higher temperature of the box body, stabilize the water temperature of the water body to be heated through primary heating, at this stage, if the surface temperature of the box body is higher, the water body can be heated together with the heating module, in the heating process, the surface of the box body continuously emits heat, the water body to be heated can continuously absorb the heat until the temperatures of the two are equal, at the moment, the water body temperature is firstly detected, if the first temperature is detected to be within a first standard temperature range, the water body is continuously heated for the second time, at the moment, because the water temperature is equal to the surface temperature of the box body, the surface of the box body can not convey heat to the water body any more, if the water temperature continues to rise, the heating module can be indicated, otherwise, the abnormity of the heating module can be identified, the abnormity of the heating module is accurately identified, and the accuracy of abnormity identification is improved.
Fig. 7 is a schematic view of a dishwasher according to another embodiment of the present invention. As shown in fig. 7, the dishwasher 7 of this embodiment includes: a processor 70, a memory 71 and a computer program 72 stored in said memory 71 and executable on said processor 70, such as a detection program of heating anomalies. The processor 70, when executing the computer program 72, implements the steps in the above-described respective heating abnormality detection method embodiments, such as S101 to S103 shown in fig. 1. Alternatively, the processor 70, when executing the computer program 72, implements the functions of the units in the above-described device embodiments, such as the functions of the modules 61 to 63 shown in fig. 6.
Illustratively, the computer program 72 may be divided into one or more units, which are stored in the memory 71 and executed by the processor 70 to accomplish the present invention. The one or more units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 72 in the dishwasher 7. For example, the computer program 72 may be divided into a heating triggering unit, a first heating abnormality recognition unit, and a second heating abnormality recognition unit, each of which functions as described above.
The dishwasher may include, but is not limited to, a processor 70, a memory 71. It will be appreciated by those skilled in the art that fig. 7 is merely an example of a dishwasher 7 and does not constitute a limitation of dishwasher 7 and may include more or less components than those shown, or some components in combination, or different components, e.g., the dishwasher may also include input and output devices, network access devices, buses, etc.
The Processor 70 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 71 may be an internal storage unit of the dishwasher 7, such as a hard disk or a memory of the dishwasher 7. The memory 71 may also be an external storage device of the dishwasher 7, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. provided on the dishwasher 7. Further, the memory 71 may also comprise both an internal memory unit and an external memory device of the dishwasher 7. The memory 71 is used for storing the computer program and other programs and data required by the dishwasher. The memory 71 may also be used to temporarily store data that has been output or is to be output.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.