WO2005012623A1 - 衣類乾燥機 - Google Patents
衣類乾燥機 Download PDFInfo
- Publication number
- WO2005012623A1 WO2005012623A1 PCT/JP2004/007073 JP2004007073W WO2005012623A1 WO 2005012623 A1 WO2005012623 A1 WO 2005012623A1 JP 2004007073 W JP2004007073 W JP 2004007073W WO 2005012623 A1 WO2005012623 A1 WO 2005012623A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heating
- drying
- air
- temperature
- water supply
- Prior art date
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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
- 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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- 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
- D06F2103/28—Air properties
- D06F2103/32—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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/34—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
-
- 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
- D06F2105/02—Water supply
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
-
- 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
Definitions
- the present invention relates to a water-cooled and dehumidified clothes dryer provided with a heat exchanger for cooling and dehumidifying water evaporated from clothes and the like with water.
- this type of water-cooled dehumidification-type clothes dryer is provided with a blower such as a fan for circulating drying air in a circulation path.
- the drying air in the circulation path is heated by a heater or the like. After being heated, the drying air is sent to a drying cabinet.
- the drying air in the drying cabinet contains a large amount of moisture from clothing and the like. After that, the drying air containing moisture is sent to a heat exchanger provided in the circulation path.
- tap water is supplied to the heat exchanger as cooling water.
- the supply of the cooling water to the heat exchanger is performed by an electric water supply valve provided at the entrance of the cooling water path through which the tap water passes.
- This water supply valve is opened at the start of operation or after a certain period of time from the start of operation. Thereafter, water is continuously supplied from the water supply valve during the drying operation.
- the heater is controlled independently of the water supply valve. That is, the heater is controlled based on the temperature of the dry air so that the temperature of the clothes does not become too high.
- Such a clothes dryer has a general configuration.
- the following configuration is known for a drum-type dryer (for example, see Japanese Patent Application Laid-Open No. Hei 9-225196). That is, in the conventional example, when the drying step is started, the drum is rotated by the drum motor. Then, the blowing of the drying air by the fan motor and the heating of the drying air by the heater are performed. Drying without supplying cooling water is performed for a set time or for a time determined according to the amount of cloth. After a set time or after a time determined according to the cloth amount, the supply of the cooling water is started by opening the cooling water supply solenoid valve. Above A configuration of a drum type dryer for performing drying with cooling and dehumidification as described above is disclosed.
- the drying air discharged from the drying cabinet contains almost saturated water vapor pressure. Therefore, moisture is efficiently condensed in the heat exchanger.
- the humidity in the drying air decreases later in the drying operation, the amount of water condensed in the heat exchanger decreases. And the cooling water will be used exclusively to lower the temperature of the drying air. Therefore, when the drying efficiency, that is, the amount of heat of evaporation of the moisture of the clothes divided by the amount of electric power of the heater, there is a problem that the efficiency is significantly reduced.
- the amount of water used was unnecessarily increased because the drying efficiency was reduced.
- an object of the present invention is to provide a clothes dryer having improved drying efficiency in the latter half of the drying operation.
- Another object of the present invention is to provide a clothes dryer for drying clothes at low running cost. Disclosure of the invention
- a clothes dryer includes a drying cabinet for storing clothes, an air path connected to the drying cabinet, and circulating drying air through the drying cabinet.
- Air blowing means for circulating air; dehumidifying means provided in the air path for cooling the drying air with cooling water to perform dehumidification; drying provided in the air path and dehumidified by the dehumidifying means
- Heating means for heating the air for use, temperature detecting means provided in the air path for detecting the temperature of the drying air in the air path, and water supply means for supplying cooling water from outside.
- control means for controlling the blowing means, the heating means, and the water supply means.
- the control means performs the heating by the heating means and stops the water supply by the water supply means, and the cooling operation of stopping the heating by the heating means and supplies the water by the water supply means.
- the temperature detecting means includes exhaust temperature detecting means for detecting an exhaust temperature when the drying air is exhausted from the drying cabinet to the air path.
- the control means responds when the exhaust gas temperature detected by the exhaust gas temperature detecting means becomes equal to or higher than the first set temperature.
- the control means further includes a setting change means for changing at least one of the first set temperature and the second set temperature in accordance with at least one of the type of clothing and an external instruction. .
- the temperature detecting means includes exhaust temperature detecting means for detecting an exhaust temperature when the drying air is exhausted from the drying cabinet to the air path.
- the control means includes means for selecting a cooling operation in response to the exhaust gas temperature detected by the exhaust gas temperature detecting means being equal to or higher than a set temperature, and means for selecting a heating operation after a predetermined time has elapsed. And further.
- control means further includes a setting changing means for changing the set temperature in accordance with at least one of the type of clothing and an external instruction.
- control means further includes means for increasing the amount of air blown by the air blowing means in the heating operation than the amount of air blown in the cooling operation.
- control means includes a time measuring means for measuring a period of the heating operation repeated by the heating means, and a heating time measured by the time measuring means and a heating time measured before the latest heating period. Means for stopping heating by at least the heating means according to the comparison result with the period.
- control means includes a time measuring means for measuring a period of the cooling operation repeated by the water supply means, a latest cooling period measured by the time measuring means, and a cooling time measured before the latest cooling period. Means for stopping heating by at least the heating means according to the comparison result with the period.
- control means precedes the first control mode.
- the second control mode further includes means for executing heating by the heating means and water supply by the water supply means in parallel.
- the clothes dryer further includes exhaust humidity detection means provided in the air path, for detecting exhaust humidity when drying air is exhausted from the drying cabinet to the air path.
- the control means is configured to control the exhaust humidity detected by the exhaust humidity detecting means to a predetermined humidity.
- the method further includes means for changing from the second control mode to the first control mode in response to the change.
- control means controls the heating by the heating means and the water supply by the water supply means in the second control mode. It further includes means for executing in parallel, and means for selecting one of the first control mode and the second control mode according to an external instruction.
- FIG. 1 is a schematic diagram illustrating a configuration of a clothes dryer 100 according to a first embodiment of the present invention.
- FIG. 2 is a block diagram showing a configuration of the clothes dryer 100 in the first embodiment of the present invention. '
- FIG. 3 is a diagram showing changes in exhaust gas temperature when the drying operation is performed with the amount of heat generated by the heater 12 and the flow rate of the cooling water supplied by the water supply valve 14 kept constant.
- Figure 4 A and Figure 4 B is a diagram showing the relationship between the exhaust humidity and the exhaust temperature in the drying operation of the clothes dryer 1 0 0 of the first embodiment of the present invention.
- FIG. 5 shows the operation of the control unit 24 that controls the exhaust gas temperature detected so as to be between the set temperature 1 and the set temperature 2 in the clothes dryer 100 of the first embodiment of the present invention. It is a flowchart of FIG.
- FIG. 6 is a flowchart of the operation of the control unit 24 that controls the detected exhaust gas temperature in the clothes dryer 100 according to the second embodiment of the present invention so as not to exceed the set temperature.
- a clothes dryer according to an embodiment of the present invention will be described in detail with reference to the drawings.
- a drum-type clothes dryer will be described as an example of the configuration of the present invention, but the present invention is not particularly limited to a drum-type clothes dryer.
- it may be a washing / drying machine or a drying machine having a vertical tub.
- FIG. 1 is a schematic diagram illustrating a configuration of a clothes dryer 100 according to a first embodiment of the present invention.
- a clothes dryer 100 has a housing 2 and a tank 4 supported in the housing 2, and is rotatably supported in the tank 4 around a horizontal axis to accommodate clothes.
- Drum (drying cabinet) 6 a drum drive motor (not shown) for rotating the drum 6, an exhaust duct 16 for exhausting drying air in the tank 4, and an exhausted drying
- An exhaust temperature sensor 20 for detecting the temperature of the air
- an exhaust humidity sensor 22 for detecting the humidity of the exhausted drying air, and a heat exchange for dehumidifying the exhausted drying air
- a blower 10 for circulating the drying air, a heater 12 for heating the dehumidified drying air, and an air supply duct 18 connected from the heater 12 to the tank 4 And a cooling water passage 26 for passing cooling water through the heat exchanger 8 and a water supply valve 1 for supplying cooling water
- a control unit 24 for controlling the operation of the clothes dryer 100.
- the drying operation is performed as follows. That is, the drying air sent to the heater 12 by the blower 10 is heated by the heater 12. The drying air whose temperature has increased due to the heating is sent to the drum 6 via the air supply duct 18. The clothes in the drum 6 are heated by the drying air. At this time, the moisture contained in the heated clothing evaporates. Therefore, the humidity of the drying air in the drum 6 increases. The drying air containing moisture is sent to the heat exchanger 8 through the air duct 16. Cooling water is guided to the heat exchanger 8 through a cooling water path 26. Therefore, the drying air is cooled and dehumidified by heat exchange 8. The dehumidified drying air is sent again to the heater 12 via the blower 10.
- the cooling water path 26 is provided so that tap water is drained from the water supply valve 14 through the heat exchanger 8, the exhaust duct 16 and the tank 4.
- FIG. 2 is a functional diagram showing the configuration of the clothes dryer 100 according to the first embodiment of the present invention.
- FIG. 2 is a functional diagram showing the configuration of the clothes dryer 100 according to the first embodiment of the present invention.
- clothes dryer 100 includes a blower 10 for circulating drying air, a heater 12 for heating drying air, and a water supply for supplying cooling water.
- the control section 24 includes a timer section 28 for measuring time and a control storage section 30 for storing the measured time.
- FIG. 3 is a diagram showing a change in exhaust gas temperature when the drying operation is performed with the amount of heat generated in the heater 12 and the flow rate of the cooling water supplied by the water supply valve 14 kept constant.
- FIG. 3 when the drying operation is performed with the heat generated by the heater 12 and the flow rate of the cooling water supplied by the water supply valve 14 being constant, almost all of the heat immediately after the drying operation is started. Is used to raise the temperature of clothing. In addition, the exhaust gas temperature rises as the clothing temperature rises (heating process).
- the drying efficiency that is, the value obtained by dividing the amount of heat of evaporation of the moisture of the clothes by the amount of electric power of the heater has a problem that it is significantly reduced.
- FIGS. 4A and 4B are diagrams showing the relationship between the exhaust humidity and the exhaust temperature in the drying operation of the clothes dryer 100 according to the first embodiment of the present invention.
- FIG. 4A is a time chart showing the relationship between the time and the exhaust humidity detected by the exhaust humidity sensor 22.
- the humidity of the air exhausted to the exhaust duct 16 is large because the amount of moisture contained in the clothes is large. It changes at a high humidity of 0% or more. As clothes dry, the humidity of the exhausted air decreases because the rate of evaporation of moisture from the clothes decreases.
- FIG. 4B is a time chart showing the relationship between the time and the exhaust gas temperature detected by the exhaust gas temperature sensor 20.
- the control unit 24 sets a control mode in which heating by the heater 12 and water supply by the water supply valve 14 are performed in parallel from among a plurality of control modes. select.
- the control unit 24 changes the control mode in which heating by the heater 12 and water supply by the water supply valve 14 are performed in parallel according to at least one of the temperature and humidity of the drying air. Change to a control mode in which heating and water supply by water supply valve 14 are selectively executed.
- the control unit 24 may change the control mode in accordance with the exhaust humidity detected by the exhaust humidity sensor 22 being equal to or lower than a predetermined humidity, or may detect the control mode by using the exhaust temperature sensor 20.
- the control mode may be changed in accordance with the exhaust gas temperature to be increased to a predetermined temperature or higher.
- control unit 24 adjusts the exhaust temperature detected by the exhaust temperature sensor 20 to a temperature range from the set temperature 1 to the set temperature 2 which is a value lower than the set temperature 1. Control to enter.
- the control unit 24 stops the heating by the heater 12 and performs the cooling operation of supplying water by the water supply valve 14. To start. At this time, the control unit 24 rotates the rotation speed of the blower 10 at a normal value.
- the control unit 24 performs heating by the heater 12 and stops water supply by the water supply valve 14. Start the heating operation. At this time, the control unit 24 The number of rotations of 10 is increased from the number of rotations during the cooling operation. That is, the control unit 24 increases the amount of air blown during the heating operation more than the amount of air blown during the cooling operation.
- the controller 24 sets the set temperature 1 and the set temperature 2 in accordance with at least one of the type of clothes specified by the clothes discriminating sensor (not shown) and the driving course selected by the user at the start of the drying operation. For at least one of the above, a value lower than the initial value may be selected.
- the control unit 24 determines the end of the drying operation based on the heating period during which the heating operation is performed. That is, the control unit 24 compares the latest heating period for performing the heating operation measured by the timer unit 28 with the heating period measured before the latest heating period. Then, the control unit 24 determines that the drying operation has ended according to the comparison result. At this time, when determining that the drying operation has been completed, the control unit 24 stops at least the heating by the heater 12.
- control unit 24 causes timer unit 28 to measure a heating period in which the heating operation from set temperature 2 to set temperature 1 is performed. Then, control section 2 4 resulting measured time delta t ls delta t 2, and stores the control store 3 0 Each delta t 3. Then, the control unit 2 4, since the delta t 2 is measured, and compared with a heating period of time that is measured before the ⁇ t 2. For example, ⁇ 1: 2 and the difference between ⁇ 1 1 in response to the a predetermined value, it may be determined that completion of the drying operation, the ratio of A t 2 and ⁇ ti becomes a predetermined value May be determined to be the end of the drying operation.
- the control unit 24 performs comparison with the heat period measured before ⁇ t 3 .
- the end of the drying operation is determined when the difference between the measured heating period and the immediately preceding heating period has a predetermined value.
- the determination of the end of the drying operation is not particularly limited to being performed based on the difference between the measured heating period and the immediately preceding heating period.
- the control unit 24 may measure the cooling period during which the cooling operation is performed, and determine the end of the drying operation based on the difference between the measured cooling period and the immediately preceding cooling period.
- FIG. 5 shows the operation of the control unit 24 for controlling the exhaust gas temperature detected so as to fall within the range between the set temperature 1 and the set temperature 2 in the clothes dryer 100 of the first embodiment of the present invention. It is a flowchart of FIG.
- control unit 24 performs a heating operation (step S102).
- the “heating operation” means an operation of performing heating by the heater 12 and stopping water supply by the water supply valve 14. Then, the control unit 24 increases the number of rotations by the blower 10 from the initial value. That is, the control unit 24 increases the amount of air blown by the blower 10.
- control unit 24 causes the timer unit 28 to start time measurement (step S103).
- control unit 24 determines whether or not the exhaust gas temperature detected by the exhaust gas temperature sensor 20 is equal to or higher than the set temperature 1 (step S104).
- step S104 If the detected exhaust temperature is not equal to or higher than the set temperature 1 in step S104, the control unit 24 continues to detect the exhaust temperature.
- step S 1 0 4 when the exhaust temperature detected is set temperatures of one or more bets ing, the control unit 2 4, a time delta t n measured by the timer unit 2 8 by the control store 3 0 stores (Step S105).
- control section 24 performs a cooling operation (step S106).
- the “cooling operation” means an operation of stopping the heating by the heater 12 and supplying water by the water supply valve 14. Then, the control unit 24 is rotated by the blower 10 Reset number to initial value. ,
- the control unit 24 returns the amount of air blown by the blower 10 to the initial value.
- control unit 2 4 is greater than n which has been stored in the control store 3 0 2, and, delta - t n is determined whether or not a predetermined value t 1 is smaller than (Step S 1 0 7 ).
- step S107 n stored in the control storage unit 30 is larger than 2 and ⁇ t. — If ⁇ t cuisineis smaller than the predetermined value t1, the control unit 24 determines that the drying operation has been completed, that is, the control unit 24 stops heating by the heater 12. 4 stops the water supply by the water supply valve 14. The control unit 24 stops the blowing by the blower 10 (step S108).
- step S 1 0 7 small again from n having stored is 2 in the control storage unit 3 0 or, ⁇ tni- ⁇ t when n is greater than the predetermined value t 1,, the control unit 2 4, the exhaust It is determined whether or not the exhaust gas temperature detected by the temperature sensor 20 is equal to or lower than the set temperature 2 (step S109).
- step S109 the control unit 24 continues to detect the exhaust temperature.
- control unit 24 increments n stored in the control storage unit 30 by one, and again executes the control storage It is stored in the section 30 (step S110).
- control unit 24 returns the process to step S102.
- the drying efficiency is increased.
- the operation time of the drying operation tends to be longer. Therefore, if the user wants to give priority to the drying time, the user must select one of the The water supply valve 14 is opened at the start of operation or after a certain period of time from the start of operation, and thereafter water is supplied continuously during the drying operation, and heating by the heater 12 and water supply by the water supply valve 14 are performed in parallel. It is also possible to select a control mode to be operated.
- the control unit 24 selects the heating operation for increasing the exhaust temperature and the cooling operation for decreasing the exhaust temperature in accordance with the exhaust temperature detected by the exhaust temperature sensor 20. Can be performed Therefore, the control unit 24 can control the exhaust gas temperature to fall within the range from the set temperature 1 to the set temperature 2. By performing such control, the drying efficiency can be increased.
- the user can perform drying operation suitable for clothing and the user's desire. Drying operation can be performed.
- the control unit 24 determines the end of the drying operation by causing the timer unit 28 to measure a heating period during which the heating operation is performed, and comparing the measured heating period with a heating period before the measured heating period. be able to. That is, to the amount of moisture contained in the laundry is reduced, the heating period ⁇ ⁇ ⁇ , as the drying progresses, decreases.
- the control unit 2 example, heating period measured immediately before the heating period delta t eta and delta t n that is measured delta The end of drying can be determined according to the difference from t.
- a control mode in which heating by the heater 12 and water supply by the water supply valve 14 in the constant-rate drying process are performed in parallel, heating operation and cooling operation is performed in parallel, heating operation and cooling operation.
- the control mode By changing the control mode to a control mode in which the drying mode is selectively performed, it is possible to perform the control for increasing the drying efficiency in the reduced-rate drying process.
- the user selects one of a control mode in which heating by the heater 12 and water supply by the water supply valve 14 are performed in parallel, and a control mode in which heating operation and cooling operation are selectively performed. The user can prioritize either the drying operation time or the drying efficiency.
- FIG. 6 is a flowchart of the operation of the control unit 24 that controls the detected exhaust gas temperature in the clothes dryer 100 of the second embodiment of the present invention so as not to exceed the set temperature. .
- control section 24 performs a heating operation (step S202).
- the “heating operation” means an operation of performing heating by the heater 12 and stopping water supply by the water supply valve 14. Then, the control unit 24 increases the number of rotations by the blower 10 from the initial value. That is, the control unit 24 increases the amount of air blown by the blower 10.
- control unit 24 causes the timer unit 28 to start time measurement (step S203).
- control unit 24 determines whether or not the exhaust gas temperature detected by the exhaust gas temperature sensor 20 is equal to or higher than the set temperature (step S204).
- step S 2 0 when the exhaust temperature detected is set temperature or more, the control unit 2 4, and stores the control store 3 0 time delta t n that is measured by the timer unit 2 8 (Step S205).
- control section 24 performs a cooling operation (step S206).
- the “cooling operation” means an operation of stopping the heating by the heater 12 and supplying water by the water supply valve 14. Then, the control unit 24 returns the rotation speed of the blower 10 to the initial value.
- control unit 24 sets the air volume by the blower 10 as an initial value.
- control unit 24 determines whether or not n stored in the control storage unit 30 is larger than 2 and whether or not t m — ⁇ t n is smaller than a predetermined value t 1 (Step S 207).
- step S207 if n stored in the control storage unit 30 is larger than 2 and ⁇ t— ⁇ tn is smaller than a predetermined value t1, the control unit 24 ends the drying operation. It is determined that it has been done. That is, the control unit 24 stops the heating by the heater 12. The control unit 24 stops the water supply by the water supply valve 14. The control unit 24 stops the blowing by the blower 10 (step S208).
- step S 2 0 7 small again from n having stored is 2 in the control storage unit 3 0 or, delta t n, - if delta t n is greater than a predetermined value t 1, the control unit 2 4, Time measurement is started by the timer unit 28 (step S209).
- control unit 24 determines whether or not the measured time is equal to or longer than the predetermined value t2 (Step S210).
- step S210 if the measured time does not exceed the predetermined value t2, In this case, the control unit 24 causes the timer unit 28 to continue measuring time.
- control unit 24 increases the value of n stored in the control storage unit 30 by one, and performs control again. It is stored in the storage unit 30 (step S211).
- control unit 24 returns the process to step S202.
- the clothes dryer 100 in the second embodiment of the present invention has the same effect as the clothes dryer 100 in the first embodiment as follows. That is, control unit 24 performs a cooling operation for a predetermined time in response to the exhaust gas temperature detected by exhaust gas temperature sensor 20 becoming equal to or higher than the set temperature. Then, the control section 24 can control the exhaust gas temperature so as not to exceed the set temperature by performing the reheating operation after a predetermined time has elapsed. Therefore, the drying efficiency can be increased in the rate-decreasing drying process.
- the user can perform a drying operation suitable for clothing and a drying operation desired by the user.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003-143793 | 2003-05-21 | ||
JP2003143793A JP3650104B2 (ja) | 2003-05-21 | 2003-05-21 | 衣類乾燥機 |
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WO2005012623A1 true WO2005012623A1 (ja) | 2005-02-10 |
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PCT/JP2004/007073 WO2005012623A1 (ja) | 2003-05-21 | 2004-05-18 | 衣類乾燥機 |
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Cited By (4)
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CN107574643A (zh) * | 2016-07-05 | 2018-01-12 | 青岛海尔滚筒洗衣机有限公司 | 一种根据加热器控制周期调节冷凝介质量的方法 |
CN107923117A (zh) * | 2015-09-09 | 2018-04-17 | 青岛海尔洗衣机有限公司 | 干衣机 |
EP3835476A1 (en) * | 2019-12-10 | 2021-06-16 | The Procter & Gamble Company | Clothes drying systems having control based on surrounding temperature detection |
WO2024045478A1 (zh) * | 2021-09-01 | 2024-03-07 | 深圳洛克创新科技有限公司 | 衣物处理设备及其控制方法 |
Families Citing this family (6)
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JP4439417B2 (ja) * | 2005-03-11 | 2010-03-24 | 三洋電機株式会社 | 乾燥機 |
KR100925734B1 (ko) * | 2007-08-06 | 2009-11-11 | 엘지전자 주식회사 | 의류 건조기 |
JP4948632B2 (ja) * | 2010-08-30 | 2012-06-06 | 三洋電機株式会社 | 洗濯乾燥機 |
US9103589B2 (en) * | 2012-09-27 | 2015-08-11 | Lowell R. Sullivan | Clothes dryer exhaust device |
CN105986396A (zh) * | 2016-06-30 | 2016-10-05 | 赖保思 | 洗干一体机 |
CN108716090B (zh) * | 2018-09-13 | 2020-06-30 | 惠而浦(中国)股份有限公司 | 一种用于洗干一体机的直排结构及其烘干控制方法 |
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JP2003103093A (ja) * | 2002-08-06 | 2003-04-08 | Toshiba Corp | 洗濯乾燥機 |
-
2003
- 2003-05-21 JP JP2003143793A patent/JP3650104B2/ja not_active Expired - Fee Related
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2004
- 2004-05-18 WO PCT/JP2004/007073 patent/WO2005012623A1/ja active Application Filing
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JPH06327898A (ja) * | 1993-05-19 | 1994-11-29 | Hitachi Ltd | 衣類乾燥機 |
JPH09225196A (ja) * | 1996-02-26 | 1997-09-02 | Sharp Corp | ドラム式乾燥機 |
JPH10235087A (ja) * | 1997-02-27 | 1998-09-08 | Sharp Corp | 乾燥機 |
JP2002360986A (ja) * | 2001-06-05 | 2002-12-17 | Matsushita Electric Ind Co Ltd | 洗濯乾燥機 |
JP2003103093A (ja) * | 2002-08-06 | 2003-04-08 | Toshiba Corp | 洗濯乾燥機 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107923117A (zh) * | 2015-09-09 | 2018-04-17 | 青岛海尔洗衣机有限公司 | 干衣机 |
EP3348705A4 (en) * | 2015-09-09 | 2019-04-17 | Qingdao Haier Washing Machine Co., Ltd. | DRIER |
US10544541B2 (en) | 2015-09-09 | 2020-01-28 | Qingdao Haier Drum Washing Machine Co., Ltd. | Clothes dryer |
CN107923117B (zh) * | 2015-09-09 | 2020-06-30 | 青岛胶南海尔洗衣机有限公司 | 干衣机 |
CN107574643A (zh) * | 2016-07-05 | 2018-01-12 | 青岛海尔滚筒洗衣机有限公司 | 一种根据加热器控制周期调节冷凝介质量的方法 |
EP3483334A4 (en) * | 2016-07-05 | 2020-03-04 | Qingdao Haier Drum Washing Machine Co., Ltd. | METHOD FOR ADJUSTING THE AMOUNT OF A CONDENSATION MEDIUM IN ACCORDANCE WITH THE CONTROL PERIOD OF A HEATING UNIT |
CN107574643B (zh) * | 2016-07-05 | 2020-12-25 | 青岛海尔滚筒洗衣机有限公司 | 一种根据加热器控制周期调节冷凝介质量的方法 |
EP3835476A1 (en) * | 2019-12-10 | 2021-06-16 | The Procter & Gamble Company | Clothes drying systems having control based on surrounding temperature detection |
WO2021119659A1 (en) * | 2019-12-10 | 2021-06-17 | The Procter & Gamble Company | Clothes drying systems having control based on surrounding temperature detection |
CN114729487A (zh) * | 2019-12-10 | 2022-07-08 | 宝洁公司 | 具有基于周围温度检测的控制的衣物干燥系统 |
WO2024045478A1 (zh) * | 2021-09-01 | 2024-03-07 | 深圳洛克创新科技有限公司 | 衣物处理设备及其控制方法 |
Also Published As
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JP3650104B2 (ja) | 2005-05-18 |
JP2004344336A (ja) | 2004-12-09 |
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