CN106319912B - Clothes dryer control method and clothes dryer - Google Patents
Clothes dryer control method and clothes dryer Download PDFInfo
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- CN106319912B CN106319912B CN201510357848.4A CN201510357848A CN106319912B CN 106319912 B CN106319912 B CN 106319912B CN 201510357848 A CN201510357848 A CN 201510357848A CN 106319912 B CN106319912 B CN 106319912B
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- air outlet
- outlet temperature
- temperature
- clothes dryer
- control method
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000001035 drying Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 229920000742 Cotton Polymers 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- -1 down feather Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 210000003746 feather Anatomy 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- D06F58/30—Drying processes
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
-
- 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
- D06F2103/38—Time, e.g. duration
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
-
- 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
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a clothes dryer control method and a clothes dryer, and relates to the technical field of clothes drying equipment. The clothes dryer control method is characterized in that an air outlet temperature detection device for detecting the temperature of an air outlet of the clothes dryer is arranged on the clothes dryer, and the clothes dryer control method comprises the following steps: step A, setting a limit load temperature; step B, detecting in real time by an air outlet temperature detection device to obtain the current air outlet temperature T; and C, comparing the current air outlet temperature T with the simulated real air outlet temperature T 'obtained according to the set limit load temperature by the clothes dryer, and controlling the heater to reduce the power of the clothes dryer if the T is within the range of T' +/-delta T. The clothes dryer control method provided by the invention can obtain the simulated real air outlet temperature according to the set limit load temperature, and when the current air outlet temperature is basically the same as the simulated real air outlet temperature, the current load temperature reaches the limit load temperature, and at the moment, the heater power is reduced, so that clothes are prevented from being scalded by high temperature, the control precision is high, and the clothes drying efficiency is high.
Description
Technical Field
The invention relates to the technical field of clothes drying equipment, in particular to a clothes dryer control method and a clothes dryer adopting the control method.
Background
In the drying process of the dryer, when the load temperature is too high, the power of the heater needs to be reduced to avoid the laundry from being burned by high temperature. The method for judging the load temperature by the automatic drying program of the existing drum-type clothes dryer is simple, and the heating power is reduced when the temperature of an air outlet reaches a certain set value under the load of standard environmental standard capacity. For example, a 6Kg rated capacity tumble dryer, using a standard energy consumption program to dry a 6Kg cotton load to a final moisture content of 3%, setting the air outlet temperature limit to 75 ℃, and when the air outlet temperature reaches this limit, reducing the heater power from 1600W to 1100W.
However, when the actual user uses the clothes dryer, the type, quality and moisture content of the clothes are uncertain, and when the temperature of the air outlet reaches the same value, the actual temperature of the load is different, but the set values of all the conditions are the same, so that the drying time of some components of clothes is longer, and the power consumption of other loads is increased, which causes the use expectation deviation of the user.
In view of the above problems, it is desirable to provide a control method for a clothes dryer to solve the problems existing in the prior art that the real temperature of the load is not accurately determined and the clothes drying effect is affected.
Disclosure of Invention
The invention aims to provide a clothes dryer control method which is high in control precision, good in clothes drying effect and high in drying efficiency.
Still another object of the present invention is to provide a clothes dryer with high control accuracy, good drying effect and high drying efficiency.
To achieve the purpose, on one hand, the invention adopts the following technical scheme:
a control method of a clothes dryer is provided with an air outlet temperature detection device for detecting the temperature of an air outlet of the clothes dryer, and comprises the following steps:
step A, setting a limit load temperature;
step B, the air outlet temperature detection device detects in real time to obtain the current air outlet temperature T;
and C, comparing the current air outlet temperature T with the simulated real air outlet temperature T 'obtained according to the set limit load temperature by the clothes dryer, if the T is in the range of T' +/-delta T, controlling the heater to reduce the power by the clothes dryer and then returning to the step B, otherwise, directly returning to the step B.
Preferably, each limit load temperature corresponds to a relation equation between the drying time T and the simulated real air outlet temperature T ', and after the limit load temperature is set, the simulated real air outlet temperature T' is calculated in real time along with the change of the drying time and is compared with the current air outlet temperature T.
Preferably, the relational equation between the drying time T corresponding to each extreme load temperature and the simulated real air outlet temperature T' is formed by fitting curves of the drying time and the real air outlet temperature under a plurality of different loads.
Preferably, the relation equation between the drying time T and the simulated real outlet temperature T 'is T' ═ At2+Bt+C。
Preferably, in the step B, after a preset time, the air outlet temperature detection device starts to detect and obtain the current air outlet temperature T.
Preferably, the step a further includes setting a load type, and in the step C, the clothes dryer compares the current air outlet temperature T with a simulated real air outlet temperature T' obtained according to the set limit load temperature and the load type.
Preferably, the load type comprises cotton, chemical fiber, wool, blended fabric, down feather, hemp, real silk and genuine leather.
Preferably, Δ T is 0.5 to 2.
Preferably, in step C, the heater power is reduced to 20% to 90% of the original power.
On the other hand, the invention adopts the following technical scheme:
a clothes dryer adopts the control method.
The invention has the beneficial effects that:
the clothes dryer control method provided by the invention can obtain the simulated real air outlet temperature according to the set limit load temperature, and when the current air outlet temperature is basically the same as the simulated real air outlet temperature, the current load temperature reaches the limit load temperature, the heater power is reduced at the moment, clothes are prevented from being scalded by high temperature, and compared with the method that whether the heater power is reduced is directly judged according to the air outlet temperature, the clothes dryer control method is high in control precision, good in clothes drying effect and capable of improving the clothes drying efficiency.
The clothes dryer provided by the invention has the advantages of high control precision, good clothes drying effect and high clothes drying efficiency due to the adoption of the control method.
Drawings
FIG. 1 is a flowchart of a control method of a dryer according to an embodiment of the present invention;
fig. 2 is a diagram illustrating a relationship between a real load temperature and an outlet temperature according to an embodiment of the present invention;
fig. 3 is a flowchart of a control method of a dryer according to a second embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides a clothes dryer control method. The clothes dryer is provided with an air outlet temperature detection device for detecting the temperature of an air outlet of the clothes dryer, and the control method comprises the following steps:
step A, setting a limit load temperature and starting drying;
step B, detecting in real time by an air outlet temperature detection device to obtain the current air outlet temperature T;
and C, comparing the current air outlet temperature T with the simulated real air outlet temperature T 'obtained according to the set limit load temperature by the clothes dryer, if the T is in the range of T' +/-delta T, controlling the heater to reduce the power by the clothes dryer and then returning to the step B, otherwise, directly returning to the step B.
The clothes dryer control method provided by the invention can obtain the simulated real air outlet temperature according to the set limit load temperature, and when the current air outlet temperature is basically the same as the simulated real air outlet temperature, the current load temperature reaches the limit load temperature, the heater power is reduced at the moment, clothes are prevented from being scalded by high temperature, and compared with the method that whether the heater power is reduced is directly judged according to the air outlet temperature, the clothes dryer control method is high in control precision, good in clothes drying effect and capable of improving the clothes drying efficiency.
The first embodiment is as follows:
in this embodiment, the air outlet temperature detecting device is a temperature sensor, and is connected to a controller of the clothes dryer.
Each limit is prestored in a controller of the clothes dryerA relation equation between the drying time T corresponding to the load temperature and the simulated real outlet temperature T ', for example, the equation is T' ═ a when the limit load temperature is 70 ℃1t2+B1t+C1The fitted curve equation when the load true temperature is 72 ℃ is T' ═ A2t2+B2t+C2The fitted curve equation when the load true temperature is 75 ℃ is T' ═ A3t2+B3t+C3。
As shown in fig. 1, the control method of the dryer includes the steps of:
step A, setting limit load temperature, and determining a relation equation of drying time T and simulated real air outlet temperature T' by a controller according to the set limit load temperature;
b, detecting in real time by a temperature sensor to obtain the current air outlet temperature T and transmitting a signal to a controller;
and C, the controller obtains a simulated real air outlet temperature T ' according to the current drying time and the relation equation, compares the obtained current air outlet temperature T with the simulated real air outlet temperature T ', if T is within the range of T ' +/-delta T, the load temperature is proved to reach the limit load temperature, the controller controls the heater to reduce the power and then returns to the step B, otherwise, the controller directly returns to the step B.
And repeating the steps until the moisture content of the loaded clothes meets the requirement, and finishing drying.
Wherein, the value of Δ T in step C can be determined according to specific conditions, preferably is 0.5 to 2, and the heater power is preferably reduced to 20% to 90% of the original power.
The method for obtaining the relation equation between the drying time T corresponding to each extreme load temperature and the simulated real air outlet temperature T' comprises the following steps: the load temperature and the change condition of the real air outlet temperature along with the drying time are detected simultaneously under different load conditions respectively, so as to obtain graphs of the drying time and the real air outlet temperature under different load conditions, as shown in fig. 2, the graphs of the drying time and the real air outlet temperature under the conditions of no load, 1/10 full load, 1/3 full load, 2/3 full load and full load respectively in the embodiment, and then points on each curve at the same load temperature are connected into a line, so as to obtain a relation curve of the drying time T and the real air outlet temperature under the corresponding load temperature, in the embodiment, the relation curves of the load temperature at 70 degrees, 72 degrees and 75 degrees are respectively obtained, and then a relation equation of the drying time T and the simulated real air outlet temperature T' is obtained through fitting. The relational equation is not necessarily a quadratic equation of one element as described above, and this embodiment is merely an example.
Because the fitted relation equation of the drying time T and the simulated real air outlet temperature T' contains the conditions under all loads, the load factors do not need to be considered, the judgment is simpler and more accurate, the control precision is high, and the clothes drying efficiency is greatly improved.
Example two:
the present embodiment provides a control method of a dryer, which is substantially the same as the first embodiment, except that, as shown in fig. 3, after the dryer is turned on, the temperature sensor does not perform the detection operation, and after a preset time period elapses, the temperature sensor starts the detection operation, so that the detection times of the temperature sensor can be effectively reduced, and the service life of the dryer can be prolonged.
Example three:
the embodiment provides a control method of a clothes dryer, which is basically the same as the first embodiment, except that in the step a of the embodiment, setting of load types is added, wherein the load types include cotton, chemical fiber, wool, blended fabric, down feather, hemp, real silk, genuine leather and the like, and in the step C, the clothes dryer compares the current air outlet temperature T with a simulated real air outlet temperature T' obtained according to the set limit load temperature and the load types. Each load type corresponds to a relation equation between the drying time T and the simulated real air outlet temperature T' at each load temperature, and the obtaining mode is similar to that of the embodiment and is not described herein again. By classifying the load, the accuracy of the control is further improved.
Example four:
the embodiment provides a clothes dryer which adopts the control method as in any one of the first to third embodiments and has high control precision, good clothes drying effect and high clothes drying efficiency.
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 (8)
1. A control method of a clothes dryer is characterized in that an air outlet temperature detection device for detecting the temperature of an air outlet of the clothes dryer is arranged on the clothes dryer, and the control method comprises the following steps:
step A, setting a limit load temperature;
step B, the air outlet temperature detection device detects in real time to obtain the current air outlet temperature T;
step C, the clothes dryer compares the current air outlet temperature T with the simulated real air outlet temperature T 'obtained according to the set limit load temperature, if T is in the range of T' +/-delta T, the clothes dryer controls the heater to reduce power and then returns to the step B, otherwise, the clothes dryer directly returns to the step B;
each limit load temperature corresponds to a relation equation of drying time T and simulated real air outlet temperature T ', after the limit load temperature is set, the simulated real air outlet temperature T' is calculated in real time along with the change of the drying time, and is compared with the current air outlet temperature T; the relation equation of the drying time T and the simulated real air outlet temperature T 'is T' ═ At2+Bt+C。
2. The clothes dryer control method according to claim 1, characterized in that: the relational equation of the drying time T corresponding to each extreme load temperature and the simulated real air outlet temperature T' is formed by fitting curves of the drying time and the real air outlet temperature under a plurality of different loads.
3. The dryer control method according to claim 1 or 2, characterized in that: in the step B, after a preset time, the air outlet temperature detection device starts to detect and obtain the current air outlet temperature T.
4. The dryer control method according to claim 1 or 2, characterized in that: step A also comprises setting a load type, and in step C, the clothes dryer compares the current air outlet temperature T with the simulated real air outlet temperature T' obtained according to the set limit load temperature and the load type.
5. The dryer control method according to claim 4, characterized in that: the load types comprise cotton, chemical fiber, wool, blended fabric, down feather, hemp, real silk and genuine leather.
6. The dryer control method according to claim 1 or 2, characterized in that: Δ T is 0.5 to 2.
7. The dryer control method according to claim 1 or 2, characterized in that: in step C, the heater power is reduced to 20% to 90% of the original power.
8. A clothes dryer, characterized in that: the clothes dryer employs the control method of any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510357848.4A CN106319912B (en) | 2015-06-25 | 2015-06-25 | Clothes dryer control method and clothes dryer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510357848.4A CN106319912B (en) | 2015-06-25 | 2015-06-25 | Clothes dryer control method and clothes dryer |
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| CN106319912A CN106319912A (en) | 2017-01-11 |
| CN106319912B true CN106319912B (en) | 2020-04-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109402985B (en) * | 2017-08-18 | 2022-05-27 | 青岛海尔滚筒洗衣机有限公司 | Clothes treatment device and clothes treatment method |
| CN107587328A (en) * | 2017-09-18 | 2018-01-16 | 上海花猫环境科技有限公司 | The intelligence control system and method for a kind of dryer |
| CN111235846B (en) * | 2018-11-27 | 2022-05-31 | 无锡飞翎电子有限公司 | Clothes dryer and control method thereof |
| CN112252002B (en) * | 2020-09-21 | 2021-12-07 | 珠海格力电器股份有限公司 | Drying method and device of washing and drying machine |
| CN113062094B (en) * | 2021-02-26 | 2022-06-14 | 无锡小天鹅电器有限公司 | Drying control method and device, clothes processing equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1626723A (en) * | 2003-12-08 | 2005-06-15 | 罗建华 | Full intelligent device in multimode of controlling microwave and infrared ray for drying clothes |
| CN1715544A (en) * | 2004-06-28 | 2006-01-04 | 乐金电子(天津)电器有限公司 | Drier power controller and its control method |
| KR100866884B1 (en) * | 2007-06-15 | 2008-11-04 | 엘지전자 주식회사 | Controlling method of a clothes dryer for detecting an amount of laundry put therein and a clothes dryer with the same |
| DE102007061519A1 (en) * | 2007-12-20 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | A laundry drying apparatus having a moisture determining device and methods of operating a clothes drying machine |
| CN101498089B (en) * | 2008-01-31 | 2010-12-01 | 博西华电器（江苏）有限公司 | Method for processing clothing and electrical equipment therefor |
| CN104631069A (en) * | 2013-11-07 | 2015-05-20 | 杭州三花研究院有限公司 | Clothes dryer and control method thereof |
| CN104562607B (en) * | 2015-01-21 | 2016-09-28 | 东华大学 | A kind of dynamical feedback monitoring platform of fabric drying technical research in dryer |
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Effective date of registration: 20201111 Address after: 266101 Haier Road, Qingdao hi tech Zone, Qingdao, Shandong Province, No. 1 Patentee after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: No.1, Haier Road, hi tech Zone, Qingdao City, Shandong Province Patentee before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Patentee before: Haier Smart Home Co., Ltd. |
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