CN109864681B - Drying control method and system of dish washing machine - Google Patents
Drying control method and system of dish washing machine Download PDFInfo
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- CN109864681B CN109864681B CN201910091618.6A CN201910091618A CN109864681B CN 109864681 B CN109864681 B CN 109864681B CN 201910091618 A CN201910091618 A CN 201910091618A CN 109864681 B CN109864681 B CN 109864681B
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Abstract
A drying control method of a dish washing machine controls the opening and closing of a heater and a fan by setting preset values of first humidity, first temperature, second humidity and second temperature and comparing the preset values with the preset values according to the sensing of a temperature sensor and a humidity sensor. The invention provides a drying control method of a dish washing machine, which aims to solve the problems that the service life of a heater is reduced and the dish washing machine is damaged due to frequent starting and stopping of the heater.
Description
Technical Field
The invention relates to the technical field of dish washing machines, in particular to a drying control method and a drying control system of a dish washing machine.
Background
The existing dish washer is generally dried by that the fan and the heater are always on, when the temperature is higher than the set temperature, the heater is turned off, then the temperature in the dish washer is reduced, and the heater is turned on again. Generally, the difference between the drying set temperature and the washing water temperature is small, hot air in the drying process easily reaches the set temperature, the heater is started and stopped frequently, the service life of the heater can be reduced due to starting current impact, the service life of a relay is also influenced due to frequent starting and stopping, and finally the service life of the dish washing machine is short and the dish washing machine is easy to damage.
Disclosure of Invention
The invention aims to provide a drying control method and a drying control system of a dish washing machine, which aim to solve the problem that the service life of a heater is reduced and the dish washing machine is damaged due to frequent starting and stopping of the heater.
In order to achieve the purpose, the invention adopts the following technical scheme:
a drying control method of a dish washing machine is characterized in that a fan and a heater are arranged in the dish washing machine, the fan blows cold air to an inner cavity of the dish washing machine, and after the heater is started, the fan blows hot air to the inner cavity of the dish washing machine; the inner cavity of the dish washing machine is provided with a temperature sensor and a humidity sensor, the temperature sensor is used for sensing the temperature of the inner cavity of the dish washing machine, and the humidity sensor is used for sensing the humidity of the inner cavity of the dish washing machine;
the drying control steps of the dishwasher are as follows:
the method comprises the following steps: setting a first temperature, a first humidity, a second temperature and a second humidity;
step two: the humidity sensor senses the humidity of the inner cavity of the dish washing machine at the moment, if the humidity sensor senses that the humidity is higher than a first humidity, the fan is started to blow cold air, and the heater is not started at the moment;
after blowing the cold air, the temperature sensor senses the temperature of the inner cavity of the dish washer at the moment, if the temperature sensed by the temperature sensor is not lower than a first temperature, the fan is continuously started to blow the cold air, and the heater is not started at the moment; if the temperature of the temperature sensor is lower than the first temperature, a heater is started, and hot air is blown;
step three: after the hot air is blown, the humidity sensor judges the temperature of the inner cavity of the dish washing machine again, and if the humidity sensor senses that the humidity is lower than a second humidity, the dish washing machine is completely dried;
if the humidity sensor senses that the humidity is not lower than a second humidity, then the temperature sensor senses the temperature of the inner cavity of the dish washing machine at the moment, whether the temperature of the inner cavity of the dish washing machine is higher than the second temperature or not is judged, if yes, the fan is started to blow cold air, and the heater is not started at the moment; if not, the heater is turned on to blow hot air.
Preferably, the temperature sensor is linked with the humidity sensor, the humidity sensor is linked with the heater, and the temperature sensor is linked with the heater;
when the temperature sensor senses that the temperature of the inner cavity of the dish washing machine is lower than a first temperature, the humidity sensor is triggered, and when the humidity sensor senses that the humidity of the inner cavity of the dish washing machine is higher than the first humidity, the heater is triggered to be started;
when the humidity sensor senses that the humidity of the inner cavity of the dish washing machine is not lower than the second humidity, the temperature sensor is triggered, and when the temperature sensor senses that the temperature of the inner cavity of the dish washing machine is not higher than the second temperature, the heater is triggered to be started.
Preferably, the set value of the first temperature is lower than the set value of the second temperature.
Preferably, the set value of the first humidity is higher than the set value of the second humidity.
A drying control system of a dish washing machine comprises a temperature sensing module, a humidity sensing module, an air supply module, a temperature setting module and a humidity setting module, wherein the temperature sensing module is used for sensing the temperature of an inner cavity of the dish washing machine and controlling the operation of the air supply module according to the sensed temperature;
the humidity sensing module is used for sensing the moisture and humidity of the inner cavity of the dish washing machine and controlling the operation of the air supply module according to the sensed humidity;
the air supply module comprises a fan and a heater and is used for blowing cold air or hot air to the inner cavity of the dishwasher according to the indication of the humidity sensing module and the temperature sensing module;
the temperature setting module is used for setting a preset temperature for starting the air supply module;
the humidity setting module is used for setting the preset humidity of the starting of the air supply module.
Preferably, the temperature setting module sets a first temperature and a second temperature;
the first temperature triggers the heater to be turned on and blows hot air when the temperature sensing module senses that the temperature of the inner cavity of the dishwasher is lower than the first temperature.
Preferably, when the temperature sensing module senses that the temperature of the inner cavity of the dishwasher is higher than the second temperature, the second temperature triggers the air supply module to close the heater, and the fan is started to blow cold air to the inner cavity of the dishwasher.
Preferably, the humidity setting module sets a first humidity and a second humidity;
when the humidity sensing module senses that the humidity of the inner cavity of the dish washer is higher than the first humidity, the first humidity triggers the air supply module to start the heater to heat the inner cavity of the dish washer.
Preferably, when the humidity sensing module senses that the humidity of the inner cavity of the dishwasher is lower than the second humidity, the second humidity triggers the temperature sensing module to sense the temperature of the inner cavity of the dishwasher.
Drawings
FIG. 1 is a flow chart of a drying control of the dishwasher of the present invention;
FIG. 2 is a schematic view of the internal structure of the drying control of the dishwasher of the present invention;
wherein: fan, heater, temperature sensor, humidity inductor.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
According to the drying control method of the dish washer of the embodiment, as shown in fig. 2, a fan 1 and a heater 2 are arranged inside the dish washer, the fan 1 blows cold air to an inner cavity of the dish washer, and after the heater 2 is turned on, the fan 1 blows hot air to the inner cavity of the dish washer; the inner cavity of the dish washing machine is provided with a temperature sensor 3 and a humidity sensor 4, wherein the temperature sensor 3 is used for sensing the temperature of the inner cavity of the dish washing machine, and the humidity sensor 4 is used for sensing the humidity of the inner cavity of the dish washing machine;
as shown in fig. 1, the drying control procedure of the dishwasher is specifically as follows:
the method comprises the following steps: setting a first temperature, a first humidity, a second temperature and a second humidity;
the drying of the existing dish washer is that the fan 1 and the heater 2 are always on, when the temperature is higher than the set temperature, the heater 2 is turned off, then the temperature in the dish washer is reduced, and the heater 2 is turned on again. Generally, the difference between the drying set temperature and the washing water temperature is small, hot air easily reaches the set temperature in the drying process, so that the heater 2 is frequently started and stopped, and the current impact caused by the frequent starting and stopping of the heater 2 can damage the heater 2 and damage the service life.
The start-stop interval time of the heater 2 is prolonged in a data form by setting the first temperature, the second temperature, the first humidity and the second humidity, so that the damage to the heater 2 caused by current impact on the heater 2 due to frequent start-stop is reduced.
Step two: the humidity sensor 4 senses the humidity of the inner cavity of the dish washing machine at the moment, if the humidity sensor 4 senses that the humidity is higher than a first humidity, the fan 1 is started to blow cold air, and the heater 2 is not started at the moment;
after blowing the cold air, the temperature sensor 3 senses the temperature of the inner cavity of the dish washer at the moment, if the temperature sensed by the temperature sensor 3 is not lower than the first temperature, the fan 1 is continuously started to blow the cold air, and the heater 2 is not started at the moment; if the temperature of the temperature sensor 3 is lower than the first temperature, the heater 2 is started to blow hot air;
firstly, the heater 2 is not started, but the fan 1 is started because for the dishwasher which is just washed, high-temperature water vapor exists in the inner cavity, and when the fan 1 blows cold air to the inner cavity of the dishwasher, the high-temperature water vapor in the dishwasher can be gradually taken away, so that the inner cavity of the dishwasher is cooled; when the dishwasher is in a cooling state, the temperature sensor 3 senses that the temperature of the inner cavity of the dishwasher is lower than a first temperature and a first humidity, which indicates that a large amount of high-temperature water vapor is taken away but not completely dried in the inner cavity of the dishwasher at the moment, and the temperature and the humidity of the inner cavity of the dishwasher have great difference with the temperature and the humidity just after washing, and the heater 2 is started to convey hot air to the inner cavity of the dishwasher at the moment;
step three: after the hot air is blown, the humidity sensor 4 judges the temperature of the inner cavity of the dish washing machine again, and if the humidity sensor 4 senses that the humidity is lower than a second humidity, the dish washing machine is completely dried;
if the humidity sensor 4 senses that the humidity is not lower than a second humidity, then the temperature sensor 3 senses the temperature of the inner cavity of the dish washing machine at the moment, whether the temperature of the inner cavity of the dish washing machine is higher than the second temperature or not is judged, if yes, the fan 1 is started, cold air is blown, and the heater 2 is not started at the moment; if not, the heater 2 is turned on to blow hot air.
At this moment, the heater 2 is started, and because the temperature of the inner cavity of the dish washing machine and the second temperature set by people have a huge difference value, the time for starting the heater 2 is relatively long, the set value of the second temperature can not be reached in a short time, so the heater 2 is prevented from being started and stopped frequently, and meanwhile, the water vapor of the inner cavity of the dish washing machine is controlled through the second humidity to keep the inner cavity of the dish washing machine dry.
Preferably, the temperature sensor 3 is linked with the humidity sensor 4, and the humidity sensor 4 is linked with the heater 2;
when the temperature sensor 3 senses that the temperature of the inner cavity of the dish washer is lower than a first temperature, the heater 2 is triggered to be started, and when the humidity sensor 4 senses that the humidity of the inner cavity of the dish washer is higher than the first humidity, the fan 1 is triggered to be started;
when the inner cavity of the dish washer is cooled, whether the humidity is higher than a first humidity is judged through the humidity sensor 4, and when the humidity is higher than the first humidity, the fan 1 is triggered to be started to blow away the dish washer and a large amount of water vapor inside the dish washer; then, whether the temperature is lower than the first temperature is judged, and if so, the heater 2 is started to heat the inner cavity of the dish-washing machine.
When the humidity sensor 4 senses that the humidity of the inner cavity of the dish washing machine is lower than a second humidity, the inner cavity of the dish washing machine is completely dry at the moment, and when the temperature sensor 3 senses that the temperature of the inner cavity of the dish washing machine is higher than the second temperature, the fan 1 is triggered to be started;
when the dish washer inner chamber heaies up, judge whether humidity is less than the second humidity through humidity inductor 4 earlier, just can trigger temperature sensor 3 goes to respond to the embedded temperature of dish washer, and when the temperature was higher than the second temperature, just can trigger closing of heater 2 and opening of fan 1.
Preferably, the set value of the first temperature is lower than the set value of the second temperature.
The set value of the first temperature is far lower than the set value of the second temperature, which is an important factor for prolonging the on-state of the heater 2, and the higher the temperature difference is, the longer the interval time between the start and the stop of the heater 2 is.
Preferably, the set value of the first humidity is higher than the set value of the second humidity.
The humidity of the inner cavity of the dish washing machine is lower and lower along with the blowing of cold air and the drying of hot air, and water vapor is less and less, so that the inner cavity of the dish washing machine is completely dried.
A drying control system of a dish washing machine comprises a temperature sensing module, a humidity sensing module, an air supply module, a temperature setting module and a humidity setting module, wherein the temperature sensing module is used for sensing the temperature of an inner cavity of the dish washing machine and controlling the operation of the air supply module according to the sensed temperature;
the humidity sensing module is used for sensing the moisture and humidity of the inner cavity of the dish washing machine and controlling the operation of the air supply module according to the sensed humidity;
the air supply module comprises a fan 1 and a heater 2 and is used for blowing cold air or hot air to the inner cavity of the dish washer according to the indication of the humidity sensing module and the temperature sensing module;
the temperature setting module is used for setting a preset temperature for starting the air supply module;
the humidity setting module is used for setting the preset humidity of the starting of the air supply module.
Preferably, the temperature setting module sets a first temperature and a second temperature;
the first temperature triggers the heater 2 to be turned on and blows hot air when the temperature sensing module senses that the temperature of the inner cavity of the dishwasher is lower than the first temperature.
And when the temperature sensing module senses that the temperature of the inner cavity of the dish washer is higher than the second temperature, the second temperature triggers the air supply module to close the heater 2 and open the fan 1 to blow cold air to the inner cavity of the dish washer.
Preferably, the humidity setting module sets a first humidity and a second humidity;
when the humidity sensing module senses that the humidity of the inner cavity of the dish washer is higher than the first humidity, the first humidity triggers the air supply module to start the heater 2 to heat the inner cavity of the dish washer.
Preferably, when the humidity sensing module senses that the humidity of the inner cavity of the dishwasher is lower than the second humidity, the second humidity triggers the temperature sensing module to sense the temperature of the inner cavity of the dishwasher.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (7)
1. A drying control method of a dishwasher, characterized in that: a fan and a heater are arranged in the dish washer, the fan blows cold air to the inner cavity of the dish washer, and after the heater is started, the fan blows hot air to the inner cavity of the dish washer; the inner cavity of the dish washing machine is provided with a temperature sensor and a humidity sensor, the temperature sensor is used for sensing the temperature of the inner cavity of the dish washing machine, and the humidity sensor is used for sensing the humidity of the inner cavity of the dish washing machine;
the drying control steps of the dishwasher are as follows:
the method comprises the following steps: setting a first temperature, a first humidity, a second temperature and a second humidity;
step two: the humidity sensor senses the humidity of the inner cavity of the dish washing machine at the moment, if the humidity sensor senses that the humidity is higher than a first humidity, the fan is started to blow cold air, and the heater is not started at the moment;
after blowing the cold air, the temperature sensor senses the temperature of the inner cavity of the dish washer at the moment, if the temperature sensed by the temperature sensor is not lower than a first temperature, the fan is continuously started to blow the cold air, and the heater is not started at the moment; if the temperature of the temperature sensor is lower than the first temperature, a heater is started, and hot air is blown;
step three: after the hot air is blown, the humidity sensor judges the temperature of the inner cavity of the dish washing machine again, and if the humidity sensor senses that the humidity is lower than a second humidity, the dish washing machine is completely dried;
if the humidity sensor senses that the humidity is not lower than a second humidity, then the temperature sensor senses the temperature of the inner cavity of the dish washing machine at the moment, whether the temperature of the inner cavity of the dish washing machine is higher than the second temperature or not is judged, if yes, the fan is started to blow cold air, and the heater is not started at the moment; if not, the heater is turned on to blow hot air.
2. The drying control method of a dishwasher according to claim 1, wherein:
the temperature sensor is linked with the humidity sensor, the humidity sensor is linked with the heater, and the temperature sensor is linked with the heater;
when the temperature sensor senses that the temperature of the inner cavity of the dish washing machine is lower than a first temperature, the humidity sensor is triggered, and when the humidity sensor senses that the humidity of the inner cavity of the dish washing machine is higher than the first humidity, the heater is triggered to be started;
when the humidity sensor senses that the humidity of the inner cavity of the dish washing machine is not lower than the second humidity, the temperature sensor is triggered, and when the temperature sensor senses that the temperature of the inner cavity of the dish washing machine is not higher than the second temperature, the heater is triggered to be started.
3. The drying control method of a dishwasher according to claim 1, wherein:
the set point of the first temperature is lower than the set point of the second temperature.
4. The drying control method of a dishwasher according to claim 1, wherein:
the set value of the first humidity is higher than the set value of the second humidity.
5. A drying control system of a dishwasher, characterized in that:
the dishwasher comprises a temperature sensing module, a humidity sensing module, an air supply module, a temperature setting module and a humidity setting module, wherein the temperature sensing module is used for sensing the temperature of an inner cavity of the dishwasher and controlling the operation of the air supply module according to the sensed temperature;
the humidity sensing module is used for sensing the moisture and humidity of the inner cavity of the dish washing machine and controlling the operation of the air supply module according to the sensed humidity;
the air supply module comprises a fan and a heater and is used for blowing cold air or hot air to the inner cavity of the dishwasher according to the indication of the humidity sensing module and the temperature sensing module;
the temperature setting module is used for setting a preset temperature for starting the air supply module;
the humidity setting module is used for setting the preset humidity for starting the air supply module;
the humidity setting module sets a first humidity and a second humidity;
when the humidity sensing module senses that the humidity of the inner cavity of the dish washer is higher than the first humidity, the fan is triggered to blow cold air, and the heater is not started at the moment;
and when the humidity sensing module senses that the humidity of the inner cavity of the dish washing machine is higher than the second humidity, the temperature sensing module is triggered to sense the temperature of the inner cavity of the dish washing machine.
6. The drying control system of a dishwasher of claim 5, wherein:
the temperature setting module comprises a first temperature setting module and a second temperature setting module;
the first temperature triggers the heater to be turned on and blows hot air when the temperature sensing module senses that the temperature of the inner cavity of the dishwasher is lower than the first temperature.
7. The drying control system of a dishwasher of claim 6, wherein:
and when the temperature sensing module senses that the temperature of the inner cavity of the dish washer is higher than the second temperature, the second temperature triggers the air supply module to close the heater and starts the fan to blow cold air to the inner cavity of the dish washer.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110215176B (en) * | 2019-06-19 | 2021-03-23 | 佛山市百斯特电器科技有限公司 | Method for controlling fan and dish-washing machine |
| CN110464281A (en) * | 2019-09-23 | 2019-11-19 | 珠海格力电器股份有限公司 | Dish-washing machine drying control method, device, storage medium and dish-washing machine |
| CN110522384A (en) * | 2019-09-23 | 2019-12-03 | 珠海格力电器股份有限公司 | Dish washing machine drying control method and device, storage medium and dish washing machine |
| CN110623618A (en) * | 2019-09-23 | 2019-12-31 | 珠海格力电器股份有限公司 | Dish washing machine drying control method and device, storage medium and dish washing machine |
| CN110931830B (en) * | 2019-12-12 | 2021-06-04 | 中车株洲电力机车有限公司 | Drying device, drying method and drying system of aluminum-air battery system |
| CN113633237A (en) * | 2021-08-05 | 2021-11-12 | 珠海格力电器股份有限公司 | Dish washing machine, control method and device thereof and storage medium |
| CN113995361B (en) * | 2021-10-15 | 2024-08-06 | 佛山市百斯特电器科技有限公司 | Control method of washing equipment and washing equipment |
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| CN105350272B (en) * | 2014-08-19 | 2019-11-05 | 青岛海尔洗衣机有限公司 | A kind of dryer and its drying control method using Far-infrared Heating |
| CN205482149U (en) * | 2016-03-07 | 2016-08-17 | 陈震 | Energy -conserving small -size hot blast drier |
| CN105832263A (en) * | 2016-03-29 | 2016-08-10 | 九阳股份有限公司 | Drying device of bowl washing machine and drying control method of bowl washing machine |
| CN206991049U (en) * | 2017-05-02 | 2018-02-09 | 博西华电器（江苏）有限公司 | Household electrical appliance |
| CN107468189A (en) * | 2017-08-08 | 2017-12-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Control method, dish-washing machine and the computer-readable recording medium of dish-washing machine |
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