CN105401385B - Heating method, heating device and washing machine - Google Patents
Heating method, heating device and washing machine Download PDFInfo
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- CN105401385B CN105401385B CN201510705187.XA CN201510705187A CN105401385B CN 105401385 B CN105401385 B CN 105401385B CN 201510705187 A CN201510705187 A CN 201510705187A CN 105401385 B CN105401385 B CN 105401385B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 194
- 238000005406 washing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 55
- 238000005485 electric heating Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 20
- 230000035939 shock Effects 0.000 description 9
- 238000004904 shortening Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/04—Heating arrangements
-
- 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
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
-
- 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D06F2202/04—
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a heating method, a heating device and a washing machine, and the main technical scheme is as follows: a method of heating comprising the steps of: under the set voltage, electrically heating the temperature inside the roller to a set temperature T; carrying out depressurization and heating on the interior of the roller; in the pressure reduction heating process, the heating voltage is continuously reduced at a set rate; detecting the temperature inside the drum in real time, comparing the temperature value inside the drum with a set temperature, and selectively performing a step of heating at reduced pressure, or stopping heating, or performing a step of heating at constant pressure, so as to keep the drying temperature of the clothes inside the drum at T +/-T0Inner, T0To set the temperature difference. The invention is mainly used for drying wet clothes in the drum within a constant drying temperature range, and avoiding the frequent high-temperature impact on the clothes.
Description
Technical Field
The present invention relates to the field of drying technologies, and in particular, to a heating method, a heating device, and a washing machine for keeping wet laundry inside a drum within a constant drying temperature range.
Background
The washing machine is one of household appliances which are commonly used in daily life. The washing machine brings convenience to the life of people.
The existing electric heating type roller washing and drying integrated machine is realized by adopting a constant-voltage electric heating mode. Specifically, when the wet clothes in the drum are dried, firstly, the electric heating is adopted to heat the temperature in the drum to the set temperature, then the electric heating is turned off, a temperature difference is set, when the difference between the temperature and the set temperature is greater than the set temperature difference, the electric heating is turned on again to enable the temperature in the drum to reach the set temperature, and the constant-pressure heating is carried out in a circulating manner, so that the wet clothes in the drum are dried.
However, the present inventors have found that the above-mentioned constant pressure heating method has at least the following problems: frequent opening of the electric heater not only wastes electric quantity, but also causes the clothes in the drum to frequently receive great high-temperature impact, which is not beneficial to maintaining the clothes.
Disclosure of Invention
In view of this, embodiments of the present invention provide a heating method, a heating device and a washing machine, which mainly aim to dry wet laundry in a drum within a constant drying temperature range all the time, so as to avoid thermal shock to the laundry caused by frequent on/off of electrical heating.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a heating method for drying wet laundry inside a drum of a washing machine or a dryer in a constant drying temperature range, the heating method including the steps of:
constant pressure heating: under the set voltage, electrically heating the temperature inside the roller to a set temperature T;
reducing pressure and heating: carrying out depressurization and heating on the interior of the roller;
detection and selection: detecting the temperature inside the roller in real time and measuring the temperature value T inside the roller1Comparing with the set temperature, and selecting to continue the step of heating under reduced pressure, or stop heating, or perform the step of heating under constant pressure according to the comparison result, so as to maintain the drying temperature of the clothes in the drum at T + -T0Therein, T0To set the temperature difference.
Preferably, during the depressurizing heating, the voltage of the electric heating is continuously decreased at a set rate.
Preferably, when the heating step under pressure is carried out:
if the temperature value T inside the roller1＞T-T0And T is1＜T+T0If so, continuing to perform the step of reducing the pressure and heating;
if the temperature value T inside the roller1≥T+T0If so, the heating is stopped.
Preferably, after stopping heating, if the temperature value T in the drum is equal to1＞T-T0And T is1＜T+T0And if so, carrying out a pressure reduction heating step.
Preferably, when the temperature value T inside the drum1≤T-T0And then, performing a constant pressure heating step.
Preferably, the set voltage is the highest voltage of the electrical heating.
Preferably, the set temperature difference is less than or equal to 1 ℃.
Preferably, in the step of heating for lowering the voltage, the electric heating is continuously lowered at a set rate starting from the set voltage.
In another aspect, an embodiment of the present invention further provides a heating device for drying wet laundry inside a drum of a washing machine or a dryer in a constant drying temperature range, wherein the heating device includes:
a heating module for heating the inside of a drum of a washing machine or a dryer;
the detection module is used for detecting the temperature inside the roller in real time;
the control module is respectively connected with the heating module and the detection module;
the control module controls the heating module to stop heating according to the temperature value in the drum detected by the detection module, or controls the heating module to perform constant-pressure heating on the interior of the drum at a set voltage, or controls the heating module to perform reduced-pressure heating on the interior of the drum so as to keep the drying temperature value of clothes in the drum within T +/-T0Wherein T is a set temperature, T0To set the temperature difference.
Preferably, the heating device can heat the inside of the drum by the heating method of any one of the above.
In another aspect, an embodiment of the present invention further provides a washing machine that enables wet laundry inside a drum to be dried within a constant drying temperature range, the washing machine including:
a drum;
the heating device is connected with the roller and used for heating the inside of the roller and enabling the temperature inside the roller to be T +/-T0Wherein T is a set temperature, T0Setting a temperature difference;
wherein the heating device is any one of the heating devices described above.
Compared with the prior art, the heating method, the heating device and the washing machine provided by the embodiment of the invention at least have the following beneficial effects:
the embodiment of the invention providesThe heating method, the heating device and the washing machine can heat the interior of the roller, so that wet clothes in the roller are dried within a constant drying temperature range. When the interior of the roller is heated, the interior of the roller is rapidly heated to a set temperature T at a set voltage, then the interior of the roller is heated at a voltage which is gradually reduced according to a set speed, the temperature of the interior of the roller is detected in real time, continuous pressure reduction heating is selected according to the real-time detection temperature, or heating is stopped, or the interior of the roller is heated at a set voltage and a fixed pressure, so that the temperature of the interior of the roller is always kept at T +/-T0Inner (T)0A set temperature difference) so that the drying temperature of the wet clothes in the drum is always kept within the drying temperature range, thermal shock to the clothes caused by frequent start and stop of electric heating is avoided, and the drying time is shortened.
Further, in the step of heating the drum interior to the set temperature T at the set voltage at the constant pressure, the set voltage is preferably the highest voltage of the electric heating (i.e., the maximum voltage given when the electric heating is heating). The following advantages can be realized by the arrangement: on the one hand, the electric heating with the maximum voltage can heat the inside of the drum to a set temperature in the shortest time, thereby shortening the drying time. On the other hand, after the subsequent heating step for lowering the pressure and stopping the heating, the temperature T inside the drum is detected in real time1≤T-T0In the process, the temperature is immediately restored to the set temperature T by the electric heating with the maximum voltage, so that the wet clothes are always in the set smaller drying temperature range in the whole drying process, the thermal shock to the clothes caused by frequent starting and stopping of the electric heating is further avoided, and the drying time is shortened.
Furthermore, the set temperature difference in the embodiment of the invention is less than or equal to 1 degree, so that the drying temperature of the clothes in the drum is always in a constant temperature in the whole drying process, the thermal shock of the heating pipe on the clothes due to frequent start and stop is further avoided, and the drying time is shortened.
In summary, the heating method, the heating device and the washing machine provided by the embodiment of the invention use variable voltage heating, so that wet clothes in the drum are dried at a drying temperature of constant temperature, thermal shock to the clothes caused by frequent start and stop of the heating pipe is avoided, and meanwhile, the drying time is shortened.
Drawings
Fig. 1 is a control flow chart of a heating method according to an embodiment of the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to examples.
Example 1
The present embodiment provides a heating method for drying wet laundry inside a drum of a washing machine or dryer within a constant drying temperature range, wherein the heating method comprises the steps of:
a constant pressure heating step: the temperature inside the drum is electrically heated to a set temperature T at a set voltage.
And (3) pressure reduction and heating: carrying out depressurization and heating on the interior of the roller; preferably, during the heating for lowering the voltage, the voltage for electric heating is continuously lowered at a set rate.
Detection and selection steps: detecting the temperature inside the roller in real time and detecting the temperature value T inside the roller1And comparing and judging with the set temperature range, and selecting as follows: performing a step of heating at reduced pressure, or stopping heating, or performing a step of heating at constant pressure to maintain the drying temperature of the clothes in the drum (i.e. the temperature in the drum) at T + -T0Therein, T0To set the temperature difference.
Preferably, the detection result of the detecting and selecting step is selected according to the following conditions:
(1) when the step of heating is reduced in pressureDuring operation, if the temperature value T in the roller is detected in real time1＞T-T0And T is1＜T+T0If so, continuing to perform the step of reducing the pressure and heating. If the temperature value T in the roller is detected in real time1≥T+T0The heating is immediately stopped.
The detection and selection mainly comprises the steps of detecting the temperature in the roller in real time when the pressure reduction step is in progress, comparing the temperature value detected in real time with a set temperature range, and selecting according to the comparison result.
(2) If the interior of the roller is stopped from being heated, detecting the temperature value T in the interior of the roller in real time1＞T-T0And T is1＜T+T0And if so, carrying out a pressure reduction heating step.
(3) When the temperature T inside the drum1≤T-T0And then, performing a constant pressure heating step.
The detecting and selecting step is to detect the temperature T inside the roller in real time in the step of reducing the pressure and heating and the temperature T inside the roller after stopping heating1≤T-T0Then, a constant pressure heating step is performed.
Preferably, the set voltage in the above step is preferably the highest voltage of the electric heating (i.e. the maximum voltage that the electric heating can reach when heating). The following beneficial effects can be realized by the arrangement: on the one hand, the purpose of heating the inside of the drum to the set temperature in the shortest time can be realized by using the electric heating with the maximum voltage, thereby shortening the drying time of the wet clothes in the drum. On the other hand, after the subsequent heating step for lowering the pressure and stopping the heating, the temperature T inside the drum is detected in real time1≤T-T0In the process, the temperature can be immediately restored to the set temperature T by using the electric heating with the maximum voltage, so that the clothes are always in the set drying temperature range in the whole drying process, the thermal shock to the clothes caused by frequent starting and stopping of the electric heating is further avoided, and the drying time is shortened.
Preferably, in the step of heating for lowering the voltage, the electric heating starts at a set voltage and is continuously lowered at a set rate. Wherein the set rate is in the range of 5V/S to 20V/S, preferably 10V/S.
Preferably, the set temperature T in the above step is an optimal temperature at which the wet clothes are dried; the set temperature difference is less than or equal to 1 ℃. Because the set temperature difference is small (less than 1 degree), the drying temperature of the wet clothes in the roller is basically kept constant all the time in the whole drying process, thereby further avoiding the thermal shock of the heating pipe which is frequently started and stopped to the clothes and simultaneously shortening the drying time.
As shown in FIG. 1, the heating method of the present embodiment is adopted to maintain the temperature inside the drum of the washing machine or dryer within T + -1 deg. (herein, the set temperature difference T is01 ℃) is adopted, when the interior of the roller is heated, the maximum voltage given by electric heating is firstly used for heating the constant pressure in the roller, the temperature in the roller is detected in real time, and the interior of the roller is rapidly heated to the set temperature T. Then, the voltage heating of the inside of the drum (i.e., the step-down heating in the above-described step) is started to be gradually reduced at a set rate, and the temperature of the inside of the drum is detected in real time. Wherein, the real-time temperature judgment is as follows:
1. if the real-time temperature value T in the roller1Stopping heating when the temperature is more than or equal to T +1 ℃; then waiting for the temperature to drop, when the real-time temperature T1And when the temperature is less than or equal to T-1 ℃, starting the maximum voltage for heating, heating the interior of the roller to the set temperature T at the constant pressure, and then reducing the pressure for heating.
2. If the real-time temperature T inside the drum1The range of (A) is as follows: t-1 ℃ is less than T1When the temperature is less than T +1 ℃, the pressure is continuously reduced and the temperature is continuously judged in real time. If the real-time temperature T1And when the temperature is less than or equal to T-1 ℃, starting the maximum voltage for heating, and after heating to the set temperature T, reducing the pressure for heating.
In the whole drying process of the wet clothes, the temperature T is judged in real time according to the steps1The temperature is controlled so that the drying temperature of the wet laundry (the temperature inside the drum) is always within ± 1 ℃ of the set temperature T.
In summary, the heating method provided by this embodiment heats the inside of the drum to a set temperature at a constant pressure by setting a voltage (maximum voltage), heats the inside of the drum at a voltage that gradually decreases at a certain rate, detects the temperature inside the drum in real time, compares the real-time temperature inside the drum with a set temperature range, and selects the constant-pressure heating, the continuous pressure-decreasing heating or the heating stop to keep the drying temperature of the wet laundry in the drum within a constant temperature range, thereby avoiding the thermal shock to the laundry caused by frequent start and stop of the electric heating, and shortening the drying time.
Example 2
The embodiment provides a heating device for drying wet clothes in a washing machine or a dryer drum within a constant drying temperature range, which comprises a heating module, a detection module and a control module. Wherein, the heating module is used for heating the inside of the drum of the washing machine or the dryer. The detection module is used for detecting the temperature inside the drum of the washing machine or the dryer in real time; the control module is respectively connected with the heating module and the detection module and is used for controlling the heating module to heat and receiving signals of the detection module.
The control module controls the heating module to stop heating according to the temperature value in the roller detected by the detection module, or controls the heating module to perform constant-pressure heating on the interior of the roller at a set voltage (preferably, the maximum heating voltage allowed by the heating module), or controls the heating module to perform continuous reduced-pressure heating on the interior of the roller so as to keep the temperature in the roller at T +/-T0Wherein T is a set temperature, T0To set the temperature difference.
Preferably, the heating module in this embodiment is an electric heater, which has functions of constant pressure heating and variable pressure heating.
Preferably, the detection module in this embodiment is a temperature sensor, which is used for detecting the temperature inside the drum in real time and transmitting the temperature signal of the water inside the drum to the control module in real time.
Preferably, the control module is a controller, and a single chip microcomputer is arranged in the control module and used for receiving the real-time temperature signal in the roller transmitted by the detection module, comparing the real-time temperature in the roller with the set temperature and the set temperature difference set by the user, and further comparing the real-time temperature in the roller with the set temperature and the set temperature difference set by the userSending a signal to the heating module to make the heating module perform constant pressure heating or continuous pressure reduction heating or stop heating on the interior of the roller so as to keep the temperature in the roller within T +/-T0And (4) the following steps.
Preferably, the heating device can heat the inside of the drum by the heating method described in embodiment 1, so as to keep the drying temperature of the clothes in the drum at T ± T0And (4) the following steps.
Example 3
The present embodiment provides a washing machine that makes wet laundry inside a drum be dry-treated within a constant drying temperature range, and particularly, the washing machine in the present embodiment includes a drum and a heating device. A heating device connected with the drum for heating the inside of the drum and keeping the drying temperature of the clothes in the drum at T +/-T0Therein, T0To set the temperature difference. Wherein the heating device is the heating device described in embodiment 2 above.
Preferably, when the heating module of the heating device is an electric heater, the heating end of the electric heater is disposed inside the drum of the washing machine, and the other part of the electric heater is disposed on the outer wall of the drum or other positions.
Preferably, the control module is integrated with an operation panel of the washing machine.
Preferably, the detection part of the detection module is arranged in the drum of the washing machine to detect the temperature of water in the drum in real time.
To sum up, the heating method, the heating apparatus and the washing machine according to the embodiments of the present invention enable wet laundry inside the drum to be dried within a constant drying temperature range (the temperature range is not more than 1 °), when heating the inside of the drum, the inside of the drum is rapidly heated to a set temperature T at a set voltage, then the inside of the drum is heated at a voltage gradually decreasing at a set rate, the temperature inside the drum is detected in real time, and the continuous step-down heating is determined and selected according to the real-time detected temperature, or the heating is stopped or the inside of the drum is heated at the set voltage, so that the temperature inside the drum is always maintained at T ± T0Inner (T)0For a set temperature difference) to dry the wet laundry in the drumThe temperature is always kept constant, so that thermal shock to clothes caused by frequent starting and stopping of electric heating is avoided, and the drying time is shortened.
The person skilled in the art will readily understand that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A heating method for drying wet laundry inside a drum of a washing machine or dryer within a constant drying temperature range, characterized in that it comprises the steps of:
constant pressure heating: under the set voltage, electrically heating the temperature inside the roller to a set temperature T;
reducing pressure and heating: carrying out depressurization and heating on the interior of the roller;
detection and selection: detecting the temperature inside the roller in real time and measuring the temperature value T inside the roller1Comparing with the set temperature, and selecting to continue the step of heating under reduced pressure, or stop heating, or perform the step of heating under constant pressure according to the comparison result, so as to maintain the drying temperature of the clothes in the drum at T + -T0Therein, T0Setting a temperature difference;
wherein, when the step of heating under reduced pressure is carried out: if the temperature value T inside the roller1＞T-T0And T is1＜T+T0If so, continuing to perform the step of reducing the pressure and heating; if the temperature value T inside the roller1≥T+T0If so, stopping heating;
wherein in the step of heating for lowering the voltage, the voltage of the electric heating is continuously lowered at a set rate starting from the set voltage.
2. The heating method according to claim 1, wherein the temperature T is determined if the temperature of the inside of the drum is lower than a predetermined value after the heating is stopped1＞T-T0And T is1＜T+T0And if so, carrying out a pressure reduction heating step.
3. Heating method according to claim 1 or 2, characterized in that the temperature T is the value at which the temperature inside the cylinder is measured1≤T-T0And then, performing a constant pressure heating step.
4. The heating method according to claim 1, wherein the set voltage is a maximum voltage of the electric heating.
5. The heating method according to claim 1, wherein the set temperature difference is 1 ℃ or less.
6. A heating device for drying wet laundry inside a drum of a washing machine or dryer within a constant drying temperature range, characterized in that it comprises:
a heating module for heating the inside of a drum of a washing machine or a dryer;
the detection module is used for detecting the temperature inside the roller in real time;
the control module is respectively connected with the heating module and the detection module;
the control module controls the heating module to stop heating according to the temperature value in the drum detected by the detection module, or controls the heating module to perform constant-pressure heating on the interior of the drum at a set voltage, or controls the heating module to perform reduced-pressure heating on the interior of the drum so as to keep the drying temperature value of clothes in the drum within T +/-T0Wherein T is a set temperature, T0Setting a temperature difference;
wherein, when the control module controls the heating module to perform pressure reduction heating on the interior of the roller, if so, the control module controls the heating module to perform pressure reduction heating on the interior of the rollerTemperature value T inside the drum1＞T-T0And T is1＜T+T0If so, the control module controls the heating module to continue the step of reducing the pressure and heating; if the temperature value T inside the roller1≥T+T0If so, the control module controls the heating module to stop heating;
when the control module controls the heating module to perform reduced-pressure heating on the interior of the roller, the heating voltage is continuously reduced at a set speed by taking the set voltage as a starting point.
7. A heating device according to claim 6, characterized in that it is capable of heating the inside of the drum in a heating method according to any one of claims 1 to 5.
8. A washing machine which can dry wet laundry inside a drum in a constant drying temperature range, comprising:
a drum;
the heating device is connected with the roller and used for heating the inside of the roller and enabling the temperature inside the roller to be T +/-T0Wherein T is a set temperature, T0Setting a temperature difference;
wherein the heating device is the heating device of claim 6 or 7.
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| CN201510705187.XA CN105401385B (en) | 2015-10-23 | 2015-10-23 | Heating method, heating device and washing machine |
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| CN201510705187.XA CN105401385B (en) | 2015-10-23 | 2015-10-23 | Heating method, heating device and washing machine |
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| CN106702700B (en) * | 2016-11-15 | 2019-11-05 | Tcl家用电器（合肥）有限公司 | Clothes drying method |
| CN108691181B (en) * | 2017-04-11 | 2021-11-26 | 上海海尔洗涤电器有限公司 | Method for judging clothes drying and clothes drying equipment |
| CN107034630B (en) * | 2017-06-12 | 2019-12-20 | 南京创维家用电器有限公司 | Method and device for heating washing water of washing machine |
| CN109972345A (en) * | 2018-06-25 | 2019-07-05 | 无锡小天鹅股份有限公司 | Control method, device and the device for clothing processing of device for clothing processing |
| CN111607939B (en) * | 2019-02-25 | 2022-05-13 | 无锡小天鹅电器有限公司 | Heating control method and device and clothes treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03267095A (en) * | 1990-03-16 | 1991-11-27 | Nippon Kentetsu Co Ltd | Drying temperature-adjusting method for clothing-drying machine |
| CN1107761C (en) * | 1999-09-06 | 2003-05-07 | 鄢必让 | Method and device for automatically judging dried level and making machine stop for clothes drier |
| KR100593633B1 (en) * | 2001-03-29 | 2006-06-30 | 주식회사 엘지이아이 | Dryer heater control device and control method |
| US20050132599A1 (en) * | 2003-12-18 | 2005-06-23 | Lg Electronics Inc. | Drying method of washing machine and apparatus thereof |
| KR100671933B1 (en) * | 2005-09-30 | 2007-01-24 | 주식회사 대우일렉트로닉스 | Method for control of the drying cycle in a drum-type washing machine |
| KR101275553B1 (en) * | 2006-06-09 | 2013-06-20 | 엘지전자 주식회사 | Washing machine and its operating method |
| JP4268183B2 (en) * | 2006-10-26 | 2009-05-27 | パナソニック株式会社 | Washing and drying machine |
| KR20110061115A (en) * | 2009-12-01 | 2011-06-09 | 엘지전자 주식회사 | Control method of the washing machine |
| CN102433721A (en) * | 2010-09-29 | 2012-05-02 | 丁明良 | Novel dryer |
| BRPI1101418A2 (en) * | 2011-03-04 | 2013-06-11 | Mabe Sa De Cv | Drying method and profile |
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