CN117051570A - Control method of laundry treatment apparatus, electronic apparatus, and readable storage medium - Google Patents
Control method of laundry treatment apparatus, electronic apparatus, and readable storage medium Download PDFInfo
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- CN117051570A CN117051570A CN202310844520.XA CN202310844520A CN117051570A CN 117051570 A CN117051570 A CN 117051570A CN 202310844520 A CN202310844520 A CN 202310844520A CN 117051570 A CN117051570 A CN 117051570A
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000008859 change Effects 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims description 13
- 230000004044 response Effects 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 235000008694 Humulus lupulus Nutrition 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000000802 evaporation-induced self-assembly Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/26—Condition of the drying air, e.g. air humidity or temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/32—Temperature
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention provides a control method of a clothes treatment device, an electronic device and a readable storage medium. The control method comprises the following steps: collecting in real time an intake air flow temperature of the laundry treatment apparatus; calculating a temperature change value of the inlet air flow temperature in a preset time before the current moment in real time based on the collected inlet air flow temperature; and adjusting the first temperature limit value of the control switch of the heater in real time according to the temperature change value. The invention adjusts the temperature limit value of the heater control switch in real time by detecting the temperature change value of the inlet air flow temperature of the clothes treatment equipment, ensures that the control switch is disconnected based on the adjusted temperature limit value before the resettable temperature controller acts, and avoids the condition that the resettable temperature controller frequently acts to fail.
Description
Technical Field
The present invention relates to the technical field of laundry treatment apparatuses, and more particularly, to a control method of a laundry treatment apparatus, an electronic apparatus, and a readable storage medium.
Background
The clothes dryer is a cleaning type home appliance that instantly evaporates and dries moisture in washed laundry using electric heating. The motor in the clothes dryer drives the fan to rotate to form air flow, an air path is formed in the clothes dryer, the heating device works to heat the air flow, and clothes in the roller are dried; the hot air blown out from the drum is discharged from the exhaust pipe. In the actual working process, the pipelines in the air path are blocked, and the main reasons are as follows: on one hand, the filter screen is blocked by scraps generated by clothes, so that a front air duct is blocked; on the other hand, the exhaust port at the tail end of the exhaust pipe is blocked outside the clothes dryer, so that the exhaust pipe is blocked. When the pipeline in the air path is blocked, the temperature of hot air in the air path is increased sharply, which causes abnormal operation of the clothes dryer and even burns out the clothes dryer and the clothes inside.
In order to solve the above problems, in the prior art, a software temperature controller and a hardware temperature controller are simultaneously configured for a heating device of a clothes dryer so as to control the start and stop of the heating device. However, when the temperature of the hot air in the air path is rapidly increased, and the temperature value detected by the temperature sensor located at the drum inlet of the dryer has not reached the control value of the software thermostat, the hardware thermostat of the heating device has detected that the temperature value has reached the control value of the hardware thermostat, in which case the hardware thermostat is turned off to shut off the heating device. If the clothes dryer is in the condition of high exhaust resistance for a long time, the hardware temperature controller can frequently act, so that the clothes dryer can prematurely reach the design life and lose efficacy, and the secondary safety protection under the condition of losing efficacy of the software temperature controller can not be achieved.
In view of this, the present invention has been made.
Disclosure of Invention
The invention aims to solve the technical problems of at least overcoming the defects of the prior art, and providing a control method of clothes treatment equipment, which is used for adjusting the temperature limit value of a heater control switch in real time by detecting the temperature change value of the inlet air flow temperature of the clothes treatment equipment, ensuring that the control switch is disconnected based on the adjusted temperature limit value before the action of a resettable temperature controller, and avoiding the condition that the resettable temperature controller frequently acts to fail.
In order to solve the above-described technical problem, a first aspect of the present invention is to provide a control method of a laundry treatment apparatus, wherein the laundry treatment apparatus includes a heater provided in an air path of the laundry treatment apparatus, the heater having a control switch configured to be opened to stop heating of the heater when an intake air flow temperature of the laundry treatment apparatus exceeds a first temperature limit value, and to be closed to start heating of the heater when the intake air flow temperature of the laundry treatment apparatus does not exceed the first temperature limit value, the control method comprising:
collecting in real time an intake air flow temperature of the laundry treatment apparatus;
calculating a temperature change value of the inlet air flow temperature in a preset time before the current moment in real time based on the collected inlet air flow temperature; and
and adjusting the first temperature limit value in real time according to the temperature change value.
In some embodiments, the step of adjusting the magnitude of the first temperature limit in real time according to the temperature change value comprises:
in response to determining that the calculated temperature change value at the current moment and the calculated temperature change value at the last moment simultaneously meet the preset condition, obtaining the maximum value of the temperature change values of the inlet airflow temperature in a preset time range before the current moment;
and in response to determining that the maximum value is less than the first temperature limit at the current time, reducing the first temperature limit at the current time.
In some embodiments, the step of determining that the calculated temperature change value at the current time and the calculated temperature change value at the previous time simultaneously satisfy the preset condition includes:
in response to determining that the calculated temperature change value at the current time is less than 0 and the calculated temperature change value at the last time is greater than or equal to 0, it is determined that the calculated temperature change value at the current time and the calculated temperature change value at the last time simultaneously satisfy the preset condition.
In some embodiments, the laundry treatment apparatus stores therein a plurality of gear positions of the first temperature limit value, the first temperature limit value of the plurality of gear positions decreasing from gear to gear;
wherein in response to determining that the maximum value is less than the first temperature limit at the current time, the step of reducing the first temperature limit at the current time comprises:
and in response to determining that the maximum value is less than the first temperature limit at the current time, downshifting the first temperature limit at the current time.
In some embodiments, the laundry treatment apparatus further comprises a resettable thermostat connected in series with the heater, the resettable thermostat configured to automatically trip according to a relationship of the detected temperature to a second temperature limit to adjust a start-stop of the heater;
wherein the plurality of gear positions of the first temperature limit value are obtained by the following method:
obtaining the maximum allowable tripping times of the resettable temperature controller;
acquiring the highest allowable temperature of the inlet air flow temperature of the clothes treatment equipment; and
the first temperature limit is divided into a plurality of gear steps based on the maximum allowable number of hops and the maximum allowable temperature.
In some embodiments, the laundry treatment apparatus further comprises:
the temperature sensor is arranged in the air inlet tube air channel of the air channel;
wherein the step of collecting the intake air flow temperature of the laundry treating apparatus in real time includes:
and collecting the temperature of the air inlet cylinder of the clothes treatment equipment according to a preset sampling frequency by using the temperature sensor.
In some embodiments, the step of adjusting the magnitude of the first temperature limit in real time according to the temperature change value further comprises:
and in response to determining that the maximum value is greater than or equal to the first temperature limit value at the current moment, keeping the first temperature limit value at the current moment unchanged.
In some embodiments, the preset duration is in a range of 20s to 40s.
A second aspect of the present invention is to provide an electronic apparatus including:
a processor; and
the memory is in communication connection with the processor;
wherein the memory stores a program executable by a processor, the processor being capable of executing the control method of the laundry treating apparatus according to the above when the program is executed by the processor.
A third aspect of the present invention is to provide a readable storage medium having a computer program stored thereon, which when executed by a processor, implements the control method of the laundry treating apparatus according to the above.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.
(1) The invention adjusts the temperature limit value of the heater control switch in real time by detecting the temperature change value of the inlet air flow temperature of the clothes treatment equipment, ensures that the control switch is disconnected based on the adjusted temperature limit value before the resettable temperature controller acts, and achieves the aim of stopping the heater from heating, thereby avoiding the condition that the resettable temperature controller frequently acts to fail and improving the safety performance of the clothes treatment equipment.
(2) The invention provides a plurality of gears for the temperature limit value of the heater control switch, and the temperature limit value of the heater control switch is adjusted step by step, so that the phenomenon that the normal operation of the clothes treatment equipment is influenced due to the fact that the heater is frequently started and stopped due to the fact that the temperature limit value of the heater control switch is too low on the basis of preventing frequent actions of the resettable temperature controller is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
fig. 1 is an architecture suitable for implementing a control method of a laundry treating apparatus provided according to an exemplary embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method of a laundry treating apparatus according to an exemplary embodiment of the present invention;
fig. 3 is a flowchart of step S230 according to an exemplary embodiment of the present invention;
FIG. 4 is a flowchart of a method for acquiring a plurality of gear steps of a first temperature limit according to an exemplary embodiment of the present invention;
fig. 5 is a schematic structural view of an electronic device according to an exemplary embodiment of the present invention;
in the figure: 100. a framework; 110. a control unit; 120. a temperature sensor; 130. a timer;
500. an electronic device; 501. a processor; 502. a memory; 503. a bus; 504. a communication interface.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 illustrates an architecture suitable for implementing a control method of a laundry treating apparatus provided according to an exemplary embodiment of the present invention. The clothes treatment device can be an exhaust type clothes dryer, a heat pump type clothes dryer and a condensing type clothes dryer, and the clothes treatment device can also be a washing and drying integrated machine.
As shown in fig. 1, the architecture 100 includes a control unit 110 of the laundry treating apparatus, a temperature sensor 120, and a timer 130. The control unit 110 is configured to receive and send a control instruction during the operation of the laundry treatment apparatus, and may further process the collected intake air flow temperature to determine a temperature variation value of the intake air flow temperature and a maximum value of the temperature variation value within a preset time period before the current time, so as to adjust the magnitude of the first temperature limit value of the control switch in real time. The temperature sensor 120 may be provided, for example, in an intake duct of the laundry treating apparatus for detecting the temperature of the air flow in the intake duct in real time. The timer 130 is configured to count a preset duration.
The laundry treatment apparatus includes a heater provided in an air passage of the laundry treatment apparatus, the control switch being configured to be opened when an intake air flow temperature of the laundry treatment apparatus exceeds a first temperature limit value, to stop heating of the heater, and to be closed when the intake air flow temperature of the laundry treatment apparatus does not exceed the first temperature limit value, to start heating of the heater. It should be noted that the control switch herein is communicatively connected to the control unit 110 described above by wired or wireless means. In other words, the control switch is opened only when receiving the opening instruction transmitted by the control unit 110, and similarly, the control switch is closed only when receiving the closing instruction transmitted by the control unit 110.
The laundry treatment apparatus further includes a resettable thermostat connected in series with the heater, the resettable thermostat configured to automatically trip according to a relationship of a detected temperature and a second temperature limit to adjust a start-stop of the heater. It should be noted that the resettable thermostat is a mechanical thermostat, and the resettable thermostat is disposed in the air path. In other words, the resettable thermostat itself has a temperature detection function, and is automatically opened when the resettable thermostat detects that the temperature in the air path exceeds the second temperature limit value, and is automatically closed when the resettable thermostat detects that the temperature in the air path does not exceed the second temperature limit value.
It can be appreciated that the resettable thermostat has a maximum number of allowed trips due to its own structural limitations. When the number of times of automatic tripping of the resettable temperature controller reaches the maximum allowable tripping number, the resettable temperature controller is invalid and cannot be automatically tripped according to the change of temperature.
As described in the background art, if the first temperature limit value of the control switch is a high fixed value, when the temperature of the hot air in the air path of the laundry treating apparatus increases sharply, the control unit 110 does not send an off control command to the control switch at this time when the temperature value detected by the temperature sensor 120 located in the air inlet duct has not reached the first temperature limit value of the control switch. However, the resettable thermostat connected in series with the heater has detected that the temperature value has reached the second temperature limit, in which case the resettable thermostat automatically jumps to shut off the heater. If the clothes dryer is in the condition of high exhaust resistance for a long time, the resettable temperature controller can frequently act, so that the clothes dryer can prematurely reach the maximum allowable tripping times to fail, and the secondary safety protection under the condition of failure of the control switch can not be realized.
If the first temperature limit value of the control switch is a low fixed value, the heater is frequently turned on and off due to the fact that the temperature limit value of the control switch is too low, so that normal operation of the laundry treating apparatus is affected.
Therefore, how to adjust the first temperature limit of the control switch, so that the control switch can receive the control instruction of disconnection before the resettable thermostat jumps, and the control switch can not be frequently started or stopped is a problem to be solved.
In order to solve the above problems, the present invention provides a control method of a laundry treatment apparatus, which adjusts a temperature limit value of a heater control switch in real time by detecting a temperature variation value of an intake air flow temperature of the laundry treatment apparatus, ensures that the control switch is turned off based on the adjusted temperature limit value before a resettable thermostat operates, and achieves the purpose of stopping heating of the heater, thereby avoiding the occurrence of failure caused by frequent operation of the resettable thermostat, and improving safety performance of the laundry treatment apparatus. Moreover, the control switch can be prevented from being frequently started and stopped, and the normal operation of the clothes treatment equipment is prevented from being influenced.
Fig. 2 illustrates a flow of a control method 200 of a laundry treatment apparatus according to an exemplary embodiment of the present invention.
As shown in fig. 2, the execution of the control method 200 of the laundry treating apparatus includes the steps of:
s210, collecting the temperature of the air inlet flow of the clothes treatment equipment in real time;
s220, calculating a temperature change value of the inlet air flow temperature in a preset time period before the current moment in real time based on the collected inlet air flow temperature; and
and S230, adjusting the first temperature limit value in real time according to the temperature change value.
It should be understood that the steps illustrated in the control method 200 of the laundry treatment apparatus are not exclusive, and the control method 200 of the laundry treatment apparatus may further include additional steps not illustrated and/or may omit the illustrated steps, and the scope of the present invention is not limited in this respect. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. In addition, unless explicitly defined or contradicted by context, the particular steps included in the methods described herein need not be limited to the order described, but may be performed in any order or in parallel. Step S210 to step S230 are described in detail below with reference to fig. 1 to 4.
S210
The temperature sensor 120 provided in the intake duct is communicatively connected with the control unit 110 of the laundry treating apparatus by wire or wireless. The temperature sensor 120 detects the temperature of the air flow in the air inlet duct at a preset sampling frequency and transmits the air flow temperature to the control unit 110 of the laundry treating apparatus, so that the control unit 110 can collect the air inlet flow temperature of the laundry treating apparatus in real time in step S210.
It will be appreciated that after collecting the data on the inlet airflow temperature, the control unit 110 may perform cleaning, denoising, etc. on the collected data.
In addition, the accuracy and reliability of the inlet air flow temperature can be affected by the sampling frequency. The sampling frequency is high, so that data information of more times can be acquired, analysis of the temperature of the air inlet tube air flow is facilitated, and data omission caused by large change of the temperature of the air inlet tube air flow in a short time is avoided. However, if the sampling frequency is too high, it is easy to collect too much repeated information, so that the control unit 110 may slow down the operation when processing the temperature of the intake air, and even cause the phenomenon of the laundry treating apparatus to be halted. And a low sampling frequency ensures that the control unit 110 is not affected by the data processing and is used normally. However, too low a sampling frequency may lack many raw inlet airflow temperatures for analysis, making the analysis result inaccurate. In order to avoid the above, in the present invention, the sampling frequency of the temperature sensor 120 is optimally set.
It will be appreciated that the sampling frequency may be set by methods commonly used in the art, and the invention is not limited in this regard.
S220
Based on the intake air flow temperature collected in real time in step S210, in step S220, a temperature variation value of the intake air flow temperature for a preset period of time before the current time is calculated in real time.
Preferably, the value range of the preset duration is 20 s-40 s. Preferably, the preset time period is 30s.
Specifically, after the laundry treating apparatus starts to operate, the temperature sensor 120 transmits the collected intake air flow temperature to the control unit 110 in real time, and at the same time, the control unit 110 controls the timer 130 to time the time of collecting data from the temperature sensor 120. When the time counted by the timer 130 does not reach the preset time length, the control unit 110 continuously receives the data transmitted from the temperature sensor 120. When the time counted by the timer 130 reaches the preset time, the control unit 110 calculates the temperature variation value of the inlet airflow temperature in the preset time before the current time in real time.
As an example, the temperature variation value of the intake air flow temperature for a preset period of time before the current time may be continuously calculated in real time by the formula shown in the following formula (1):
ΔTi＝Tic-Tit ①
wherein Δti represents a temperature variation value of the intake air flow temperature within a preset time period before the current time, tic represents the intake air flow temperature at the current time, and Tit represents the intake air flow temperature when the preset time period is counted forward from the current time.
Over time, the control unit 110 calculates and stores a temperature variation value of the inlet air flow temperature for a preset period of time before the current time according to the formula shown in the above formula (1).
It should be noted that the current time as described herein refers to a real time advancing over time.
S230
In step S230, the control unit 110 adjusts the magnitude of the first temperature limit value of the control switch in real time according to the calculated temperature variation value.
It should be noted that, in order to avoid that the temperature limit value of the heater control switch is too low and the heater is frequently started and stopped, the normal operation of the laundry treatment apparatus is affected, and when the laundry treatment apparatus is started to operate, the initial value of the first temperature limit value of the control switch is a larger value.
As an example, the control unit 110 stores therein a plurality of gear steps of the first temperature limit value in advance, the first temperature limit value of the plurality of gear steps decreasing step by step. When the laundry treating apparatus starts to operate, the initial value of the first temperature limit value of the control switch is the highest gear.
In some embodiments, as shown in FIG. 3, a plurality of gear steps of the first temperature limit may be determined by the steps shown in method 300 as follows:
s310, obtaining the maximum allowable tripping times of the resettable temperature controller;
s320, acquiring the highest allowable temperature of the inlet air flow temperature of the clothes treatment equipment; and
s330, dividing the first temperature limit into a plurality of gears based on the maximum allowable jump times and the maximum allowable temperature.
Specifically, the individual components of the laundry treating apparatus may be designed and shaped according to the maximum throughput of the laundry treating apparatus and the drum size. After the model of the resettable thermostat is determined, the maximum allowable number of hops is determined, and the maximum allowable temperature of the inlet air flow temperature of the laundry treating apparatus is also determined.
Therefore, before the laundry treating apparatus leaves the factory, the first temperature limit value may be divided into a plurality of gear positions based on the maximum allowable number of times of jumping and the maximum allowable temperature, and the plurality of gear positions of the first temperature limit value may be stored in the control unit 110 of the laundry treating apparatus in advance for recall.
As an example, referring to table 1, the maximum allowable number of times of trip of the resettable thermostat is hundred thousand times, and the maximum allowable temperature of the inlet air flow temperature of the laundry treating apparatus is 160 ℃, the first temperature limit value may be divided into ten steps, the first temperature limit value in the first step is 160 ℃, and the first temperature limit value in the tenth step is 60 ℃. The first temperature limit value of the middle second gear to the ninth gear is reduced from gear to gear at 160 ℃ to 60 ℃.
Table 1: numerical table of different gear positions of first temperature limit value
| Different gear positions of the first temperature limit value | Numerical value (DEG C) |
| First gear | 160 |
| Second gear | 155 |
| Third gear | 150 |
| Fourth gear | 145 |
| Fifth gear | 140 |
| Sixth gear | 135 |
| Seventh gear | 120 |
| Eighth gear | 100 |
| Ninth gear | 80 |
| Tenth gear | 60 |
It should be noted that the foregoing examples are merely illustrative of the present invention and are not to be construed as limiting the scope of the present invention.
In some embodiments, as shown in fig. 4, step S230 includes:
s231, acquiring the maximum value of the temperature variation value of the inlet airflow temperature in a preset time range before the current moment in response to determining that the temperature variation value calculated at the current moment and the temperature variation value calculated at the last moment simultaneously meet the preset condition;
s232, responding to the fact that the maximum value is smaller than the first temperature limit value at the current moment, and reducing the first temperature limit value at the current moment; or alternatively
S233, responding to the fact that the maximum value is larger than or equal to the first temperature limit value at the current moment, and keeping the first temperature limit value at the current moment unchanged.
Specifically, a plurality of temperature change values are stored in the control unit 110 over time. In step S231, when the control unit 110 determines that the calculated temperature change value at the current time is less than 0 and the calculated temperature change value at the previous time is greater than or equal to 0, it indicates that the air flow temperature in the air duct has a decreasing trend, and at this time, the maximum value of the temperature change values of the air flow temperature of the inlet tube within a predetermined time range counted from the current time onward can be obtained.
The preset time range may be the same as or different from the preset time period described above, and the present invention is not limited herein.
In step S232, when the control unit 110 determines that the maximum value of the temperature variation values of the inlet airflow temperature within the preset time range counted from the current time onwards is smaller than the first temperature limit value of the current time, frequent tripping of the resettable thermostat may occur due to the high first temperature limit value of the control switch. Therefore, the control unit 110 decreases the value of the first temperature limit value at the present time. The gear of the first temperature limit value at the present time can be specifically adjusted down according to the data shown in table 1. The control unit 110 determines a control instruction for controlling the switch to be opened and closed according to the relation between the inlet airflow temperature detected by the temperature sensor 120 and the first temperature limit value at the current moment.
In step S232, when the control unit 110 determines that the maximum value of the temperature variation values of the inlet airflow temperature within the preset time range counted from the current time onwards is greater than or equal to the first temperature limit value of the current time, the probability of frequent tripping of the resettable thermostat due to the high first temperature limit value of the control switch is less. Thus, the control unit 110 may keep the first temperature limit value at the current time unchanged at this time. The gear of the first temperature limit value at the present moment is maintained unchanged, in particular according to the data shown in table 1. The control unit 110 determines a control instruction for controlling the switch to be opened and closed according to the relation between the inlet airflow temperature detected by the temperature sensor 120 and the first temperature limit value at the current moment.
It should be noted that steps S231 to S233 in step S230 are continuously performed, and the gear of the first temperature limit value at the current time is adjusted down until the gear of the first temperature limit value at the current time is adjusted down to the tenth gear as long as the condition that the maximum value of the temperature variation value of the intake air flow temperature within the preset time range counted forward from the current time is smaller than the first temperature limit value at the current time is satisfied.
The exemplary embodiment of the invention also provides electronic equipment. Fig. 5 shows a structure of the electronic device. As shown in fig. 5, the electronic device 500 includes a processor 501, a memory 502, a bus 503, and a communication interface 504, and the processor 501, the communication interface 504, and the memory 502 are connected by the bus 503. The electronic device is for example a control unit 110 of a dishwasher.
The Memory 502 may include a high-speed random access Memory (RAM, random Access Memory), and may further include a Non-Volatile Memory 502 (Non-Volatile Memory), such as at least one magnetic disk Memory. The communication connection between the system network element and at least one other network element is implemented via at least one communication interface 504 (which may be wired or wireless), which may use the internet, a wide area network, a local network, a metropolitan area network, etc. Bus 503 may be an ISA bus, a PCI bus, an EISA bus, or the like. The bus 503 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one bi-directional arrow is shown in FIG. 5, but not only one bus 503 or one type of bus 503.
The processor 501 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuitry in hardware or instructions in software in the processor 501. The processor 501 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP for short), etc.; but also digital signal processors (DigitalSignal Processor, DSP for short), application specific integrated circuits (Application Specific IntegratedCircuit, ASIC for short), field-programmable gate arrays (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor 501 may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory 502, and the processor 501 reads information in the memory 502 and, in combination with its hardware, performs the steps of the method of the previous embodiment.
The exemplary embodiments of the present invention also provide a computer readable storage medium storing a computer program, where when the computer program is called and executed by the processor 501, the computer executable instructions cause the processor 501 to implement the above-mentioned control method 200 of the laundry treatment apparatus, and specific implementation may be referred to the method embodiments and will not be described herein.
The control method 200 of the laundry treatment apparatus and the computer program product of the electronic apparatus 500 provided in the embodiments of the present invention include a computer readable storage medium storing program codes, and instructions included in the program codes may be used to execute the method in the foregoing method embodiment, and specific implementation may refer to the method embodiment and will not be described herein.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the device and/or the eccentric control device described above may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. A control method of a laundry treatment apparatus, characterized in that the laundry treatment apparatus includes a heater provided in an air passage of the laundry treatment apparatus, the heater having a control switch configured to be opened to stop heating of the heater when an intake air flow temperature of the laundry treatment apparatus exceeds a first temperature limit value, and to be closed to start heating of the heater when the intake air flow temperature of the laundry treatment apparatus does not exceed the first temperature limit value;
the control method comprises the following steps:
collecting in real time an intake air flow temperature of the laundry treatment apparatus;
calculating a temperature change value of the inlet air flow temperature in a preset time before the current moment in real time based on the collected inlet air flow temperature; and
and adjusting the first temperature limit value in real time according to the temperature change value.
2. The method for controlling a laundry treatment apparatus according to claim 1, wherein,
the step of adjusting the magnitude of the first temperature limit value in real time according to the temperature variation value comprises the following steps:
in response to determining that the calculated temperature change value at the current moment and the calculated temperature change value at the last moment simultaneously meet the preset condition, obtaining the maximum value of the temperature change values of the inlet airflow temperature in a preset time range before the current moment;
and in response to determining that the maximum value is less than the first temperature limit at the current time, reducing the first temperature limit at the current time.
3. The method for controlling a laundry treating apparatus according to claim 2, wherein,
the step of determining that the calculated temperature change value at the current time and the calculated temperature change value at the previous time simultaneously satisfy the preset condition includes:
in response to determining that the calculated temperature change value at the current time is less than 0 and the calculated temperature change value at the last time is greater than or equal to 0, it is determined that the calculated temperature change value at the current time and the calculated temperature change value at the last time simultaneously satisfy the preset condition.
4. The control method of a laundry treatment apparatus according to claim 2, wherein a plurality of gear positions of the first temperature limit value are stored in the laundry treatment apparatus, the first temperature limit value of the plurality of gear positions decreasing from gear to gear;
wherein in response to determining that the maximum value is less than the first temperature limit at the current time, the step of reducing the first temperature limit at the current time comprises:
and in response to determining that the maximum value is less than the first temperature limit at the current time, downshifting the first temperature limit at the current time.
5. The control method of a laundry treatment apparatus according to claim 4, further comprising a resettable thermostat connected in series with the heater, the resettable thermostat being configured to automatically trip according to a relationship of a detected temperature to a second temperature limit to adjust start-stop of the heater;
wherein the plurality of gear positions of the first temperature limit value are obtained by the following method:
obtaining the maximum allowable tripping times of the resettable temperature controller;
acquiring the highest allowable temperature of the inlet air flow temperature of the clothes treatment equipment; and
the first temperature limit is divided into a plurality of gear steps based on the maximum allowable number of hops and the maximum allowable temperature.
6. The control method of a laundry treatment apparatus according to any one of claims 1 to 5, characterized in that the laundry treatment apparatus further comprises:
the temperature sensor is arranged in the air inlet tube air channel of the air channel;
wherein the step of collecting the intake air flow temperature of the laundry treating apparatus in real time includes:
and collecting the temperature of the air inlet cylinder of the clothes treatment equipment according to a preset sampling frequency by using the temperature sensor.
7. The control method of a laundry treatment apparatus according to any one of claims 2 to 5, characterized in that,
the step of adjusting the magnitude of the first temperature limit value in real time according to the temperature variation value further comprises:
and in response to determining that the maximum value is greater than or equal to the first temperature limit value at the current moment, keeping the first temperature limit value at the current moment unchanged.
8. The control method of a laundry treatment apparatus according to any one of claims 1 to 5, characterized in that,
the value range of the preset duration is 20 s-40 s.
9. An electronic device, comprising:
a processor; and
the memory is in communication connection with the processor;
wherein the memory stores a program executable by a processor, the processor being capable of executing the control method of the laundry treatment apparatus according to any one of claims 1 to 8 when the program is executed by the processor.
10. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program which, when executed by a processor, implements the control method of the laundry treatment apparatus according to any one of claims 1 to 8.
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| CN202310844520.XA CN117051570A (en) | 2023-07-11 | 2023-07-11 | Control method of laundry treatment apparatus, electronic apparatus, and readable storage medium |
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| CN202310844520.XA CN117051570A (en) | 2023-07-11 | 2023-07-11 | Control method of laundry treatment apparatus, electronic apparatus, and readable storage medium |
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