WO2018099273A1 - 一种衣物烘干除皱方法及干衣机 - Google Patents

一种衣物烘干除皱方法及干衣机 Download PDF

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Publication number
WO2018099273A1
WO2018099273A1 PCT/CN2017/111491 CN2017111491W WO2018099273A1 WO 2018099273 A1 WO2018099273 A1 WO 2018099273A1 CN 2017111491 W CN2017111491 W CN 2017111491W WO 2018099273 A1 WO2018099273 A1 WO 2018099273A1
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Prior art keywords
drying
air
speed
clothes
hot air
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PCT/CN2017/111491
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English (en)
French (fr)
Inventor
李以民
劳春峰
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青岛海尔滚筒洗衣机有限公司
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Publication of WO2018099273A1 publication Critical patent/WO2018099273A1/zh

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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
    • D06F58/44—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing, e.g. for smoothing or removing creases
    • 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
    • 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
    • D06F2103/28—Air properties
    • D06F2103/36—Flow or velocity
    • 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
    • D06F2105/16—Air properties
    • D06F2105/24—Flow or velocity
    • 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
    • D06F2105/32—Air flow control means
    • 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 
    • 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

Definitions

  • the present invention relates to a laundry drying and wrinkle removing method and a drying machine, and more particularly to a method for drying and wrinkling laundry and a drying machine for changing the air passage and adding a wrinkle removing method.
  • the clothes are dried by hot air during the drying process, so that the moisture on the clothes evaporates into water vapor and flows through the condenser with the gas stream and condenses into liquid water there. After a certain period of time, the clothes are dried.
  • Chinese Patent Application No. 201110324151.9 discloses a laundry dryer and a washing and drying machine, the laundry dryer comprising: a drum (1) for accommodating laundry; a driving motor (3) for rotating the drum (1); Spraying a nozzle (30) for drying the drying air of the laundry, wherein the drum (1) rotated by the driving motor (3) moves the laundry up and down, the nozzle (30) It is disposed such that the dry air flows in a direction facing the moving direction of the laundry.
  • the high-speed wind wrinkles of the second air passage are used in the middle of the drying, and the high-speed wind is prone to turbulence for a long time, so that the desired wrinkle effect cannot be achieved;
  • the setting condition is time, even if the initial setting is based on the amount of laundry, the error rate is still high, it is difficult to start wrinkle at the best timing; in addition, when the second wind path is high-speed air intake The air volume is reduced, which affects the wrinkle effect. In summary, a large number of wrinkles and creases produced by the drying process of the clothes cannot be removed better, and the effect is not good.
  • Chinese Patent Application No. 200510079812.0 discloses a condensing and drying method and a condensing and drying machine, comprising: heating air through a heater to become hot air, the hot air heating the dried laundry, and during the heating process The clothes are shaken; wherein the hot air enters the condenser after heating the clothes, and cools the hot air containing a large amount of water vapor, so that the moisture in the hot air condenses into water and the hot air becomes dry air, the dry air It is heated by the heater to become hot air, and then the clothes are dried and recycled to reduce the heat energy loss; there is no need to punch holes in the wall, the exhaust pipe is omitted, and the installation is convenient.
  • the drum type washing machine includes: a tub; a drying pipe that supplies heated air to the tub; and a condensing duct assembly that guides air from the tub to the drying duct, cools air from the tub, and condenses the air Moisture in the water.
  • the condensing tube assembly includes an inlet tube for receiving air from the barrel, and a discharge tube into which one side or end of the inlet tube is inserted, and/or one side or end of the inlet tube is connected thereto. Coolant may be provided along the outer surface of the insertion end of the inlet tube to cool the inlet tube, and The discharge pipe directs air from the inlet pipe to the drying pipe.
  • the drying method is still: drying the clothes with hot air, evaporating the water on the clothes into water vapor and flowing through the hot air.
  • the condenser is condensed into liquid water here, and after drying the clothes with a certain amount of hot air, the clothes are dried. This tends to cause a large amount of wrinkles and creases in the drying process of the clothes.
  • the rotation of the clothes drying cylinder can improve the ventilation effect of the clothes, it is also easy to cause the clothes to be entangled and the inside is not easy to dry out, often after drying by the clothes dryer.
  • the clothes also need to be ironed by the user, which increases the workload of the user after finishing.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a method for drying and wrinkling clothes by changing the air passage and adding a wrinkle removal method, and a clothes dryer.
  • a laundry drying and wrinkle removing method comprising the following steps:
  • the clothes dryer receives the start signal and starts to dry the clothes
  • the fan runs to deliver dry hot air to the dry cylinder and start the drying process
  • the fan In the process of wrinkle removal, the fan is controlled to operate at high speed, low speed and high speed multiple cycles.
  • the position and/or direction of the hot air entering the drying cylinder changes; the number of times the fan is operated at a high speed, a low speed, or a high speed cycle is greater than or equal to 2 times, preferably 3 times or 4 times; the fan is at a high speed and a low speed.
  • the running time ratio of the alternating operation is between 1:4 and 1:2, preferably 1:3.
  • the high-speed hot air and the low-speed hot air frequently alternately operate, and the high-speed hot air blows the laundry in the dry clothes cylinder to make the laundry in a suspended state and a reverse state, and generates short-term turbulence after the action of the clothes to further maintain the clothes.
  • improve the uniformity of drying and drying efficiency of the clothes switch to the low-speed hot air mode and dry the clothes in time before the turbulent flow has a reaction effect, so that the high-speed hot air and the low-speed hot air frequently alternate to the clothes drying cylinder
  • the clothes inside play a role in greatly improving the wrinkle removal effect, drying uniformity and drying efficiency.
  • the low speed is the speed of the fan running during the drying process
  • the high speed is the running speed increased by the fan after the set condition is reached
  • the ratio of the speed of the low speed operation of the fan to the speed of the high speed operation of the fan is 0.4-0.6.
  • the wind turbine during high speed operation is greater than the amount of wind turbine at low speed
  • the air volume of the fan at low speed is between 100m 3 / h-150m 3 / h, preferably 120m 3 / h-130m
  • the air volume of the fan running at high speed is between 230m 3 /h-270m 3 /h, preferably between 240m 3 /h-260m 3 /h
  • the air volume ratio is between 0.4 and 0.65, preferably 0.5.
  • the fan In the wrinkle removal process, the fan is set to a high air volume mode when the fan is running at a high speed, and the inlet of the high speed hot air into the drying cylinder is small. Therefore, the hot air is in a high speed and high air volume mode, and when the laundry is blown, the laundry is suspended.
  • the effect is obvious, the wrinkle effect is good, and even the thicker clothes can produce a good wrinkle effect.
  • the setting condition is a value set before the start of the drying process, and is a reference for determining whether to start the wrinkle removal process, and the high-speed hot air can blow the laundry to make the laundry in a suspended state and a reverse state as a reference standard.
  • the high-speed hot air can blow the laundry to make the laundry in a suspended state and a reverse state as a reference standard.
  • the setting condition is that the relative humidity of the hot air at the air outlet of the dryer cylinder reaches a set value, which is between 20% and 30%, preferably between 24% and 26%.
  • the humidity sensor at the rear of the filter screen at the air outlet of the dryer cylinder is used to detect the relative humidity of the hot air at the air outlet of the dryer cylinder, when the relative humidity of the hot air reaches the set value.
  • the wrinkle process begins.
  • the relative humidity value is affected by factors such as the type of the clothes and the amount of the load, and is generally set in advance or automatically set according to the specific situation.
  • the present invention determines the setting condition by detecting the temperature change value of the hot air from the drying cylinder. After the drying process of the clothes begins, the temperature of the hot air at the outlet of the initial dryer cylinder changes little. As the drying process progresses, the temperature changes increase, and when the set value is reached, the wrinkle process begins.
  • the temperature sensor at the air outlet of the dryer cylinder is used to detect the temperature of the hot air at the air outlet of the dryer cylinder.
  • the temperature change value reaches the set value, the drying process is started and the wrinkle is started.
  • this setting value is generally set in advance or system default according to the specific situation.
  • the heating power of the heating device is appropriately changed in different processes.
  • the heating power of the heating device heating the low-speed hot air is P1
  • the heating power of the hot air is P2
  • the heating efficiency of heating the low-speed hot air is P3.
  • the P1 is less than or equal to P3, and the P1 is less than or equal to P2.
  • a clothes dryer includes a clothes drying cylinder, a fan, a heating device, and a drying air path: a wind path through which the hot air flows when the fan runs at a low speed; a wrinkle wind path: a wind through which the hot air flows when the fan runs at a high speed Road; air path switching device: control hot air to enter the drying air path or wrinkle air path, change the position and / or direction of hot air into the drying cylinder.
  • the air passage switching device comprises: a linear motor, a moving baffle, a stepping motor, a steering switch, an inlet for gas entering, and two outlets for gas to flow out, the inlet connecting the heating device, and an outlet connection
  • the clothes drying cylinder is the inlet of the drying air passage
  • the movement of the moving baffle controls the opening and closing between the outlet and the drying cylinder
  • the linear motor controls the movement of the moving baffle
  • one outlet connects the high speed air duct for drying
  • the inlet of the wind road, the hot air enters the high-speed air duct through the air passage switching device, and then enters the dry clothes cylinder
  • the diverting switch controls the opening and closing between the outlet and the high-speed air duct
  • the stepping motor controls the diverting switch. action.
  • the high-speed air duct is disposed between the air passage switching device and the drying cylinder for high-speed hot air to pass, and cooperates with the air passage switching device to change the position and/or direction of the hot air into the drying cylinder during high-speed operation.
  • the linear motor controls the moving baffle to communicate with the drying air path
  • the stepping motor controls the diverting switch to close the wrinkle wind path
  • the hot air enters the drying cylinder, and the inside of the drying cylinder
  • the laundry is dried.
  • hot air enters the drying cylinder from the rear of the drying cylinder to dry the laundry in the drying cylinder.
  • the stepping motor controls the diverting switch to connect the wrinkle wind path
  • the linear motor controls the moving baffle to close the drying air path
  • the high speed hot air enters the high speed air duct after passing through the air path switching device, and then
  • the high-speed air duct enters the drying cylinder, blows the clothes, and wrinkles the clothes in the drying cylinder.
  • the hot air enters the drying cylinder from the upper part of the front of the drying cylinder, and the inside of the drying cylinder The clothes are wrinkled.
  • the flow direction of the high-speed hot air is opposite to the direction of the movement of the clothes, and the wall of the clothes drying cylinder is arranged downward to make the clothes have a floating effect under the action of hot air, and the entanglement of the clothes is slowed down and the clothes are improved.
  • the uniformity of drying of the clothes allows the interior of the clothes to be dried better.
  • a humidity sensor is installed at the rear part of the filter screen at the air outlet of the drying cylinder, and the relative humidity of the hot air at the air outlet of the drying cylinder is measured from time to time, and the drying process is judged by comparing the relative humidity value with the set value. .
  • a temperature sensor is arranged at the air outlet of the drying cylinder, and the temperature of the hot air at the air outlet of the drying cylinder is measured at a time, and the drying process is judged by the temperature change of the hot air at the air outlet of the drying cylinder.
  • the clothes dryer further includes an air inlet window and an air exhaust window, the air inlet window further comprising a filter screen for filtering dust and impurities in the air; the air exhaust window also includes a filter screen for preventing the machine External dust and impurities enter the machine.
  • the heating device of the clothes dryer comprises a heater and a heating channel, the heater is disposed inside the heating channel, and the outer casing material of the heating channel is generally made of a metal material in consideration of factors such as safety, heating effect and the like. Preferred materials such as aluminum alloy, steel or stainless steel.
  • the present invention has the following advantageous effects compared with the prior art.
  • the frequent switching of high-speed and low-speed hot air can not only use high-speed hot air to blow clothes to remove wrinkles, but also form turbulent flow that is easy to wrinkle in the dry clothes cylinder for a short time, further improve the drying of clothes.
  • the uniformity and drying efficiency can also avoid the turbulence generated by the long-term high-speed hot air, which increases the entanglement of the clothes and the formation of wrinkles, resulting in poor wrinkle removal effect.
  • the relative humidity of the hot air produced by the humidity sensor is the setting condition of the beginning of the wrinkle removal process, which is greatly reduced by the weight of the clothes itself and the water absorption, which greatly improves the setting conditions. Accuracy, wrinkle effect is better.
  • the setting condition is also determined by detecting the temperature change value of the hot air at the air outlet of the drying cylinder, thereby improving the accuracy of the setting conditions. Sex, wrinkle effect is better.
  • the direction of high-speed hot air is opposite to the direction of movement of the clothes, and the wall of the drying cylinder is lowered to make the clothes have a floating effect under the action of hot air, and the entanglement of the clothes is slowed down, and the drying of the clothes is improved. Sex, so that the interior of the clothes can also be better dried.
  • the heating power of the heating device changes correspondingly with the drying and wrinkle removal.
  • the heating power of the heating device is appropriately increased during the wrinkle removal process, which not only ensures the wrinkle removal effect, but also ensures a high drying efficiency.
  • Figure 1 is a schematic cross-sectional view showing the dryer casing of the present invention
  • FIG. 2 is a schematic view of a wind circuit switching device and a heating passage
  • Figure 3 is a schematic view showing the flow of hot air in the drying process of the present invention.
  • Figure 4 is a schematic view showing the flow of hot air in the wrinkle removing process of the present invention.
  • Figure 5 is a schematic view showing the outline of a clothes drying cylinder of the clothes dryer of the present invention installed in an embodiment
  • Figure 6 is a schematic view showing the appearance of the clothes dryer of the present invention.
  • a laundry drying and wrinkle removing method comprising the steps of: putting clothes, the clothes dryer receives a start signal, and starts drying the clothes; the fan operates to deliver dry hot air to the dry clothes tube, Start the drying process; continue to run the drying process until the test meets the set conditions, perform the wrinkle removal process, increase the fan speed, and hot air blows the clothes at high speed; in the process of wrinkle removal, control the high speed, low speed, high speed cycle of the fan run.
  • the position and/or direction of the hot air entering the drying cylinder changes; the number of times the fan is operated at a high speed, a low speed, or a high speed cycle is greater than or equal to 2 times, preferably 3 times or 4 times; the fan is at a high speed and a low speed.
  • the running time ratio of the alternating operation is between 1:4 and 1:2, preferably 1:3.
  • the high-speed hot air and the low-speed hot air frequently alternately operate, and the high-speed hot air blows the laundry in the dry clothes cylinder to make the laundry in a suspended state and a reverse state, and generates short-term turbulence after the action of the clothes to further maintain the clothes.
  • improve the uniformity of drying and drying efficiency of the clothes and switch to the low-speed hot air mode in time before the turbulent flow has a reaction effect.
  • the clothes are dried, and the high-speed hot air and the low-speed hot air frequently alternately act on the clothes in the dry clothes cylinder, thereby greatly improving the wrinkle removal effect, drying uniformity and drying efficiency.
  • the low speed is the speed of the fan running during the drying process
  • the high speed is the running speed increased by the fan after the set condition is reached
  • the ratio of the speed of the low speed operation of the fan to the speed of the high speed operation of the fan is 0.4-0.6.
  • the wind turbine during high speed operation is greater than the amount of wind turbine at low speed
  • the air volume of the fan at low speed is between 100m 3 / h-150m 3 / h, preferably 120m 3 / h-130m
  • the air volume of the fan running at high speed is between 230m 3 /h-270m 3 /h, preferably between 240m 3 /h-260m 3 /h
  • the air volume ratio is between 0.4 and 0.65, preferably 0.5.
  • the fan In the wrinkle removal process, the fan is set to a high air volume mode when the fan is running at a high speed, and the inlet of the high speed hot air into the drying cylinder is small. Therefore, the hot air is in a high speed and high air volume mode, and when the laundry is blown, the laundry is suspended.
  • the effect is obvious, the wrinkle effect is good, and even the thicker clothes can produce a good wrinkle effect.
  • the setting condition is a value set before the start of the drying process, and is a reference for determining whether to start the wrinkle removal process, and the high-speed hot air can blow the laundry to make the laundry in a suspended state and a reverse state as a reference standard.
  • the high-speed hot air can blow the laundry to make the laundry in a suspended state and a reverse state as a reference standard.
  • the setting condition is that the relative humidity of the hot air of the dry cylinder reaches a set value, and the set value is between 20% and 30%, preferably between 24% and 26%.
  • the humidity sensor at the rear of the filter screen at the air outlet of the dryer cylinder is used to detect the relative humidity of the hot air at the air outlet of the dryer cylinder, when the relative humidity of the hot air reaches the set value.
  • the wrinkle process begins.
  • the relative humidity value is affected by factors such as the type of the clothes and the amount of the load, and is generally set in advance or automatically set according to the specific situation.
  • the present invention determines the set condition by detecting the temperature change value of the hot air from the drying cylinder. After the drying process of the clothes begins, the temperature of the hot air at the outlet of the initial dryer cylinder changes little. As the drying process progresses, the temperature changes increase, and when the set value is reached, the wrinkle process begins.
  • the temperature sensor at the air outlet of the dry clothes cylinder is set to detect the temperature of the hot air at the air outlet of the dry clothes cylinder.
  • the temperature change value reaches the set value, the temperature enters the late stage of the drying process and enters the wrinkle removal process.
  • this setting value is generally set in advance or system default according to the specific situation.
  • the heating power of the heating device is appropriately changed in different processes.
  • the heating power of the heating device heating the low-speed hot air is P1
  • the heating power of the hot air is P2
  • the heating efficiency of heating the low-speed hot air is P3.
  • the P1 is less than or equal to P3, and the P1 is less than or equal to P2.
  • the clothes dryer for drying the wrinkle-removing clothes comprises a drying cylinder, a fan, a heating device, a condensing device, and a drying air path: a wind path through which the hot air flows when the fan runs at a low speed; Road: Wind path through which hot air flows during high-speed operation of the fan; air path switching device: control hot air to enter the drying air path or wrinkle air path, and change the position and/or direction of hot air into the drying cylinder.
  • the air passage switching device comprises: a linear motor, a moving baffle, a stepping motor, a steering switch, an inlet and two outlets, the inlet is connected to the heating device, and an outlet is connected to the drying cylinder for drying the wind
  • the air inlet of the road the action of the moving baffle controls the opening and closing between the outlet and the drying cylinder
  • the linear motor controls the movement of the moving baffle
  • one outlet connects the high speed air duct
  • the hot air enters the high speed first through the air passage switching device
  • the air duct is re-entered into the drying cylinder, and the diverting switch controls the opening and closing between the outlet and the high-speed air duct, and the stepping motor controls the movement of the diverting switch.
  • the high-speed air duct is disposed between the air passage switching device and the drying cylinder for high-speed hot air to pass, and cooperates with the air passage switching device to change the position and/or direction of the hot air into the drying cylinder during high-speed operation.
  • the linear motor controls the moving baffle to communicate with the drying air path
  • the stepping motor controls the diverting switch to close the wrinkle wind path
  • the hot air enters the drying cylinder, and the inside of the drying cylinder
  • the laundry is dried.
  • hot air enters the drying cylinder from the rear of the drying cylinder to dry the laundry in the drying cylinder.
  • the stepping motor controls the diverting switch to connect the wrinkle wind path
  • the linear motor controls the moving baffle to close the drying air path
  • the high speed hot air enters the high speed air duct after passing through the air path switching device, and then
  • the high-speed air duct enters the drying cylinder, blows the clothes, and wrinkles the clothes in the drying cylinder.
  • the hot air enters the drying cylinder from the upper part of the front of the drying cylinder, and the inside of the drying cylinder The clothes are wrinkled.
  • the direction of the high-speed hot air is opposite to the direction of the laundry movement, and the wall of the drying cylinder is lowered to make the clothes have a floating effect under the action of hot air, and the entanglement of the clothes is slowed down, and the clothes are improved.
  • the uniformity of drying makes the interior of the clothes better dried.
  • the wrinkle process begins.
  • the set conditions it is considered to enter the late stage of the drying process, at which time the moisture contained in the clothes has been After a small amount of time, entering the wrinkle-removing process, the clothes are floated and inverted with high-speed hot air to achieve the wrinkle-removing effect.
  • a humidity sensor is installed at the rear part of the filter screen at the air outlet of the drying cylinder, and the relative humidity of the hot air at the air outlet of the drying cylinder is measured from time to time, and the drying process is judged by comparing the relative humidity value with the set value. .
  • a temperature sensor is arranged at the air outlet of the drying cylinder, and the temperature of the hot air at the air outlet of the drying cylinder is measured at a time, and the drying process is judged by the temperature change of the hot air at the air outlet of the drying cylinder.
  • the clothes dryer further includes an air inlet window and an air exhaust window, the air inlet window further comprising a filter screen for filtering dust, impurities and the like in the air; the air exhaust window further comprises a filter screen for preventing Off-machine dust, impurities, etc. enter the machine.
  • the clothes dryer further includes a heating device including a heater and a heating passage, the heater being disposed inside the heating passage, the outer casing of the heating passage in consideration of factors such as safety, heating effect, and the like
  • the material is generally made of a metal material, preferably an aluminum alloy, steel or stainless steel.
  • the clothes dryer further comprises a condensing device, and the cold air outside the dryer enters the dryer through the air inlet passage under the action of the air inlet fan, and is blown to the condenser to absorb the heat conducted by the condenser when condensing the hot air. After heating up, the temperature is exhausted and discharged out of the dryer through the exhaust window on the side of the casing.
  • the laundry drying and wrinkle removing method of the present invention is suitable for a tumble dryer and/or a drum washing and drying machine. It is not only suitable for direct-drying and dry circulation.
  • the clothes dryer comprises a casing 1, a door 2, an air inlet window 3, and an exhaust air.
  • Window 4 drying cylinder 5, lifting rib 501, drying cylinder rear flange 502, heater 8, heating passage 9, condenser 10, circulation fan 11, air inlet fan 12, air inlet passage 13, and condensing water tank 14.
  • Drying air path the air path through which the hot air flows when the fan runs at a low speed
  • the wrinkle wind path the air path through which the hot air flows when the fan runs at a high speed
  • the air path switching device 7 controls the hot air to pass into the drying wind
  • the road or wrinkle wind path changes the position and/or direction of hot air into the dryer cylinder 5.
  • the air passage switching device 7 includes a linear motor 702, a moving shutter 703, a stepping motor 701, a steering switch 704, an inlet 705, and two outlets 706, 707. Heating channel 9, one out
  • the port 706 is connected to the drying cylinder 5, which is an air inlet of the drying air passage.
  • the action of the moving baffle 703 controls the opening and closing between the outlet 706 and the drying cylinder 5, and the linear motor 702 controls the movement of the moving baffle 703;
  • An outlet 707 is connected to the high-speed air duct 6, and the hot air enters the high-speed air duct 6 through the air passage switching device 7, and then enters the drying cylinder 5, which is an air inlet of the wrinkle-removing air passage, and the diverting switch 704 controls the outlet 707.
  • the stepping motor 701 controls the operation of the diverting switch 704 with the switching between the high speed duct 6.
  • the high-speed air duct 6 is disposed between the air passage switching device 7 and the drying cylinder 5 for high-speed hot air to pass, and cooperates with the air passage switching device 7 to change the position where hot air enters the drying cylinder 5 during high-speed operation and/or Or direction.
  • the drying air passage is a low-speed circulating drying air passage: entering the heating passage 9 under the action of the circulating fan 11, and directly entering the drying cylinder 5 through the air passage switching device 7 after heating, From the top of the drying cylinder 5 obliquely downward into the drying cylinder 5, after drying the clothes, the drying cylinder 5 enters the condenser 10, and after condensation, enters the heating channel 9 again under the action of the circulating air, 11 for the next time.
  • the circulation that is, the circulation fan 11, the heating passage 9, the air passage switching device 7, the drying cylinder 5, and the condenser 10 constitute a drying air passage.
  • the linear motor 702 controls the moving baffle 703 to communicate with the drying air path
  • the stepping motor 701 controls the diverting switch 704 to close the wrinkle wind path
  • the low-speed circulating hot air enters the drying cylinder 5
  • the rear portion of the drying cylinder 5 enters the drying cylinder 5, and the wet laundry in the drying cylinder 5 is dried, and the water vapor evaporated from the portion of the laundry is taken out from the air outlet of the drying cylinder 5.
  • the wrinkle wind path is a high-speed circulating wrinkle wind path, enters the heating channel 9 under the action of the circulating fan 11, and then enters the high-speed air duct 6 through the air passage switching device 7 after heating.
  • the high-speed air duct 6 enters the drying cylinder 5
  • the bottom of the drying cylinder 5 enters the drying cylinder 5 to blow up the laundry
  • the drying cylinder 5 enters the condenser 10, and after condensation, enters the heating channel again under the action of the circulating fan 11. 9 proceed to the next cycle. That is, the circulation fan 11, the heating passage 9, the air passage switching device 7, the high speed duct 6, the clothes drying cylinder 5, and the condenser 10 constitute a wrinkle air passage.
  • the stepping motor 701 controls the diverting switch 704 to communicate with the wrinkle wind path
  • the linear motor 702 controls the moving baffle 703 to close the drying air path
  • the high-speed circulating hot air passes through the air path switching device 7 to enter
  • the high-speed air duct 6 is further inserted into the drying cylinder 5 by the high-speed air duct 6, and the high-speed circulating hot air is obliquely downward from the front portion of the drying cylinder 5 into the drying cylinder 5 to remove the laundry in the drying cylinder 5. Wrinkles and dries, and the water vapor evaporated from the part of the clothes is taken out from the air outlet of the drying cylinder 5.
  • the direction of the high-speed hot air is opposite to the direction of the laundry movement, and the wall of the drying cylinder is lowered to make the clothes have a floating effect under the action of hot air, and the entanglement of the clothes is slowed down, and the clothes are improved.
  • the uniformity of drying makes the interior of the clothes better dried. As shown in FIG.
  • the high-speed air duct 6 is disposed at the front of the drying cylinder 5 near the door 2, and is disposed at the upper left of the drying cylinder 5, and when the drying cylinder 5 is rotated clockwise, the drying cylinder 5
  • the lifting rib 501 inside drives the clothes to rotate to the upper left, and the high-speed hot air sprayed by the high-speed air duct 6 is opposite to the direction of movement of the clothes, and is close to the wall of the drying cylinder
  • the bottom right flows counterclockwise, blowing the clothes, slowing the entanglement of the clothes, and removing the wrinkles on the clothes.
  • the drying cylinder 5 rotates counterclockwise, and the lifting rib 501 in the drying cylinder 5 drives the laundry to rotate to the upper right side, and the high speed air duct 6 ejects.
  • the high-speed hot air is just opposite to the direction of movement of the clothes.
  • the wall of the dryer cylinder flows clockwise to the lower left, blowing the clothes, slowing the entanglement of the clothes, and removing the wrinkles on the clothes.
  • the air outlet of the drying cylinder 5 is disposed on the lower side of the front portion of the drying cylinder 5, near the door.
  • a filter screen is disposed at the air outlet of the drying cylinder 5, and a humidity sensor is installed at the rear of the screen to measure the relative humidity of the hot air at the air outlet of the drying cylinder 5.
  • the relative humidity detected by the humidity sensor reaches a set value of 20%-30%, preferably 24%-26%
  • the drying process proceeds to a later stage, and high-speed circulating hot air, low-speed circulating hot air, high-speed circulating hot air are started.
  • the cycle time, and the running time ratio of the high-speed circulating hot air and the low-speed circulating hot air alternately running is between 1:4 and 1:2, preferably 1:3.
  • a temperature sensor is installed at the rear of the screen at the air outlet of the drying cylinder 5, and the air outlet of the drying cylinder 5 is measured.
  • the temperature of the hot air is judged by the temperature change value of the hot air at the air outlet of the dry cylinder.
  • the air inlet window 3 is disposed on the lower right side of the front of the dryer casing 1, and includes a filter screen for filtering dust, impurities, and the like in the air;
  • the exhaust window 4 is disposed at the The lower side of the left side of the dryer casing 1 includes a screen for preventing dust, impurities and the like from entering the machine.
  • the inlet fan 12 starts to run, and the cold air outside the dryer enters the inlet passage 13 through the inlet window 3 under the action of the inlet fan 12, and then enters the air through the inlet passage 13 In the clothes machine, it is blown onto the condenser 10, and the absorption condenser 10 condenses the heat conducted by the hot air from the outlet of the drying cylinder, and then heats up, and then warms up and then discharges the dryer through the exhaust window 4 on the side of the casing 1. outer.
  • the clothes dryer further includes a heating device including a heater 8 and a heating passage 9, and the heater 8 is disposed inside the heating passage 9, taking into consideration safety and heating effects.
  • the outer casing material of the heating passage 9 is made of a metal material, preferably aluminum alloy, steel or stainless steel.
  • the outer casing material of the heating passage 9 in the embodiment is stainless steel.
  • the drying and wrinkle removing method of the dryer is as follows:
  • the clothes dryer receives the start signal and starts to dry the clothes
  • the circulation fan 11 is operated, and the low-speed circulation conveys dry hot air into the drying cylinder 5 to start the drying process.
  • the circulation path of the hot air in the drying process is specifically: the circulating fan 11 runs at a low speed, and the condensed dry air is sent into the heating channel 9, and is heated by the heater 8 in the heating channel 9 to enter the air path switching device 7, the wind
  • the road switching device 7 comprises an inlet and two outlets, the inlet connecting the heating channel 9, one outlet connecting the drying cylinder 5 to form an air inlet of the drying air passage, and the other outlet connecting the high speed air duct 6 to form a wrinkle winding road
  • the linear motor 702 controls the moving baffle 703 to communicate with the drying air path
  • the stepping motor 701 controls the diverting switch 704 to close the wrinkle air path
  • the hot air passes through the air inlet switching device 7 from the air inlet of the drying cylinder 5 Entering the drying cylinder 5, passing through the clothes in the drying cylinder 5, and performing energy replacement with the moisture
  • the drying process is continuously operated until the detection meets the set conditions, the wrinkle process of the clothes is performed, the rotation speed of the circulating fan 11 is increased, and the hot air blows the clothes at a high speed.
  • the humidity sensor provided at the rear of the screen at the air outlet of the drying cylinder 5 detects the relative humidity of the hot air at the air outlet of the drying cylinder 5, and the measured relative humidity value and the system.
  • the set values are compared to determine which stage the drying process is going to. If the relative humidity reaches the set value, the drying process enters the late stage and the wrinkle process begins.
  • the set condition is also determined by detecting the temperature change value of the hot air from the drying cylinder.
  • the wrinkle process starts with the high-speed circulating air blowing the laundry to make the laundry in a suspended and inverted state, and the circulating path of the high-speed circulating air is specifically: the circulating fan 11 runs at a high speed, and the condensed dry air is sent to the heating channel.
  • the air passage switching device 7 includes an inlet and two outlets, the inlet is connected to the heating channel 9, and an outlet is connected to the drying cylinder 5 to form a drying
  • the air inlet of the dry air path, the other outlet connected to the high speed air duct 6 forms an air inlet of the wrinkle air path
  • the linear motor 702 controls the moving baffle 703 to close the drying air path
  • the stepping motor 701 controls the diverting switch 704 to connect the wrinkle In the wind path
  • the hot air enters the high-speed air duct 6 through the air passage switching device 7, and enters the drying cylinder 5 through the high-speed air duct 6, and the clothes are floated in the drying cylinder 5 to suspend and stretch the clothes, and dry clothes.
  • the cylinder 5 is subjected to energy replacement with the moisture in the laundry, and the water vapor evaporated from the part of the laundry is taken into the condenser 10 through the air outlet of the drying cylinder 5, and in the condenser 10, the air inlet window 3 is used.
  • Air blower 12 The external cold air entering the air inlet passage 13 is blown onto the condenser 10, and the hot air passing through the condenser 10 is condensed, and the condensed dry air is again heated at a high speed by the high-speed circulating fan 11 Channel 9, looping.
  • the circulating fan 11 is controlled to operate at high speed, low speed, and high speed cycle until the end.
  • the location and/or direction of hot air entering the dryer cylinder 5 changes as the wrinkle removal process proceeds.
  • the high-speed hot air and the low-speed hot air frequently alternately operate, and the high-speed hot air blows the laundry in the dry clothes barrel 5 to suspend and invert the clothes, and short-term turbulence is generated after the action of the clothes to further maintain
  • the state of clothing improves the uniformity of drying and drying efficiency of the clothes.
  • the turbulent flow produces a reaction effect, it switches to the low-speed hot air mode in time to dry the clothes.
  • Such high-speed hot air and low-speed hot air frequently alternate to dry clothes.
  • the clothes in the cylinder 5 act to greatly improve the wrinkle removal effect, drying uniformity and drying efficiency.
  • the low speed is the speed at which the circulating fan 11 runs during the drying process
  • the high speed is the running speed to which the circulating fan 11 is raised after the set condition is reached, the speed of the circulating fan 11 running at a low speed and the speed at which the circulating fan 11 runs at a high speed.
  • the ratio is between 0.4 and 0.6, preferably 0.5; the air volume when the circulating fan 11 is running at a high speed is greater than the air volume when the circulating fan 11 is running at a low speed, and the air volume of the circulating fan 11 at a low speed is 100 m 3 /h - 150 m 3 / among h, preferably between 120m 3 / h-130m 3 / h, the amount of circulating air fan 11 is running at high speed between 230m 3 / h-270m 3 / h, preferably 240m 3 / h-260m 3 / h
  • Between the air volume at the time of low speed operation of the circulation fan 11 and the air volume ratio of the circulating fan 11 at high speed operation is between 0.4 and 0.65, preferably 0.5.
  • the circulating fan 11 is set to a high air volume mode at a high speed operation, and the inlet of the high speed hot air entering the drying cylinder 5 is small. Therefore, the hot air is in a high speed and high air volume mode, when the air is blown, The suspending effect of the clothes is obvious, and the wrinkle removal effect is good, and even the thicker clothes can produce a good wrinkle-removing effect.
  • the setting condition is a value set before the start of the drying process, and is a reference for judging whether or not the wrinkle removal process is started, and the high-speed hot air can blow the laundry to make the laundry in a suspended state and a reverse state as a reference standard.
  • the high-speed hot air can blow the laundry to make the laundry in a suspended state and a reverse state as a reference standard.
  • the weight of the clothes becomes low, and it can be blown up by the high-speed hot air and is in a state of suspension and stretch.
  • the setting condition is that the relative humidity of the hot air at the air outlet of the drying cylinder 5 reaches a set value, and the set value is between 20% and 30%, preferably between 24% and 26%.
  • the humidity sensor at the rear of the screen at the air outlet of the clothes drying cylinder 5 is set to detect the relative humidity of the hot air at the air outlet of the drying cylinder, when the relative humidity of the hot air reaches the set value.
  • the relative humidity value is affected by factors such as the type of the clothes and the amount of the load, and is generally set in advance or automatically set according to the specific situation.
  • the present invention determines the setting conditions by detecting the temperature change value of the hot air from the air drying cylinder 5. After the drying process of the clothes is started, the temperature change of the hot air at the outlet of the initial drying cylinder 5 is small, and as the drying process progresses, the temperature change increases, and when the set value is reached, the wrinkle process starts.
  • the temperature sensor at the air outlet of the clothes drying cylinder 5 is set to detect the air outlet of the drying cylinder 5 from time to time.
  • the temperature of the hot air when the temperature change value reaches the set value, enters the late stage of the drying process and enters the wrinkle process.
  • This setting value is generally set according to the specific situation or the system defaults.
  • the heating power of the heater 8 is appropriately changed in different processes. During the drying process, the heater heats the heating power of the low-speed hot air to be P1, and the heater 8 heats the high-speed heat during the wrinkle removal process.
  • the heating power of the air is P2, and the heating efficiency of heating the low-speed hot air is P3.
  • the P1 is less than or equal to P3, and the P1 is less than or equal to P2.

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Abstract

一种衣物烘干除皱方法及干衣机，所述方法步骤为：放入衣物，干衣机收到启动信号，开始干燥衣物；循环风机（11）运行，向干衣筒（5）内输送干燥空气；持续运行烘干进程，直至检测符合设定条件，执行衣物除皱进程，提高循环风机（11）转速，热空气高速吹浮衣物，除皱进程中，控制循环风机（11）高速、低速、高速多次循环交替的运行。所述干衣机包括风路切换装置（7）和至少两个风路。该方法增加除皱程序并采用双风道模式有效去除滚筒干衣程序所带来的大量皱褶和折痕；增强通风效果，避免缠绕，干衣效果均匀。

Description

一种衣物烘干除皱方法及干衣机 技术领域
本发明涉及一种衣物烘干除皱方法及干衣机，具体地说，涉及一种更改风道、增加除皱程序的方法对衣物进行烘干除皱的方法及干衣机。
背景技术
现有的冷凝式干衣机在烘干过程中，利用热空气烘干衣物，使衣物上的水分蒸发成水蒸汽并随气流流经冷凝器并在此冷凝成液态水。经过一定时间后，衣物即被烘干。
申请号为201110324151.9的中国专利公开了一种衣物烘干机以及洗涤烘干机，衣物烘干机包括：收容衣物的滚筒(1)；使该滚筒(1)旋转的驱动马达(3)；以及喷出用于烘干所述衣物的烘干空气的喷嘴(30)，其中，通过所述驱动马达(3)旋转的所述滚筒(1)使所述衣物上下移动，所述喷嘴(30)被设置成，使所述烘干空气朝向与所述衣物的移动方向相向的方向流动。虽然提出了两个风路进风，烘干中期时利用第二风路的高速风除皱，而高速风持续时间长时容易引起紊流，因此无法达到预期的除皱效果；且除皱开始的设定条件为时间，即使设定初期会根据衣物量作出一定修正，但误差率依然很高，很难在最佳的时机开始进行除皱；此外，在进行第二风路高速进风时，风量减小，影响除皱效果。综上，衣物在烘干过程产生的大量褶皱和折痕，不能更好的除去，效果不佳。
申请号为200510079812.0的中国专利公开了一种冷凝干衣方法及冷凝干衣机，包括：使空气经由加热器加热后成为热空气，该热空气对甩干后的衣物进行加热，以及在加热过程中使衣物抖散；特征是，所述的热空气在加热衣物后进入冷凝器，将含有大量水汽的热空气冷却，使热空气中的水分冷凝成水而热空气成为干燥空气，该干燥空气再经由加热器加热成为热空气，再对衣物进行干燥，循环使用，减少了热能损失；无需在墙上打洞，省却排气管，安装方便。
申请号为201410028846.6的中国专利公开了一种其中具有烘干机的滚筒洗衣机。该滚筒式洗衣机，包括：桶；干燥管，向所述桶提供加热空气；以及冷凝管组件，将来自桶的空气引导至所述干燥管，冷却来自所述桶的空气，以及冷凝所述空气中的湿气。冷凝管组件包括：入口管，用于接收来自所述桶的空气；以及排放管，入口管的一侧或端插入其中，和/或入口管的一侧或端与其连接。冷却液可以沿入口管的插入端的外表面被提供以冷却入口管，以及 排放管将来自入口管的空气引导至干燥管。
如以上两件专利所述的干衣机，虽然对于结构等做出了改善，但干衣方法依然是：利用热空气烘干衣物，使衣物上的水分蒸发成水蒸汽并随热空气流经冷凝器并在此冷凝成液态水，经过一定时间的热空气烘干衣物后，衣物即被烘干。这容易使衣物在烘干过程中产生大量褶皱和折痕，干衣筒转动虽然可以提高衣物的通风效果，但这也容易使衣物缠绕而造成内部不易干透，往往干衣机烘干后的衣物还需要用户熨烫处理，增加了用户后整理的工作量。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种通过更改风道、增加除皱程序的方法对衣物进行烘干除皱的方法及干衣机。
为解决上述技术问题，本发明采用技术方案的基本构思是：一种衣物烘干除皱方法，所述方法包括下列步骤：
放入衣物，干衣机收到启动信号，开始干燥衣物；
风机运行，向干衣筒内输送干燥热空气，开始烘干进程；
持续运行烘干进程，直至检测符合设定条件，执行衣物除皱进程，提高风机转速，热空气高速吹浮衣物；
除皱进程中，控制风机高速、低速、高速多次循环交替的运行。
进行所述除皱进程时，热空气进入干衣筒内的位置和/或方向改变；风机高速、低速、高速循环交替运行的次数大于等于2次，优选3次或4次；风机高速、低速交替运行的运行时间比值在1:4到1:2之间，优选1:3。
所述除皱进程时，高速热空气、低速热空气频繁交替运行，高速热空气在干衣筒内吹浮衣物使衣物处于悬浮和翻转状态，与衣物作用后产生短期的紊流来进一步维持衣物状态，提高衣物烘干的均匀性和烘干效率，在紊流产生反作用效果之前，及时切换至低速热空气模式，对衣物进行烘干，如此高速热空气、低速热空气频繁交替对干衣筒内的衣物产生作用，大大提高除皱效果、烘干均匀性和烘干效率。同时，还可避免长时间高速热空气产生的长时间紊流加剧衣物的缠绕和褶皱的形成。
进一步的，所述低速为烘干进程中风机运行的速度，高速为达到设定条件后风机提高到 的运行速度，所述风机低速运行的转速与所述风机高速运行的转速比值在0.4-0.6之间，优选0.5；所述风机高速运行时的风量大于风机低速运行时的风量，所述风机低速运行时的风量在100m3/h-150m3/h之间，优选120m3/h-130m3/h之间，所述风机高速运行时的风量在230m3/h-270m3/h之间，优选240m3/h-260m3/h之间，风机低速运行时的风量与风机高速运行时的风量比值在0.4-0.65之间，优选0.5。
除皱进程中，风机高速运转时被设置为高风量模式，高速热空气进入干衣筒内的入口口径较小，因此，热空气处于高速高风量模式，当其吹浮衣物时，衣物的悬浮效果明显，除皱效果好，即使是质地较厚的衣物也可以产生很好的除皱效果。
进一步的，所述设定条件为烘干进程开始前设定的数值，为判定是否开始除皱进程的基准，以高速热空气能够吹浮衣物使衣物处于悬浮和翻转状态为参考标准。所述烘干进程的后期，衣物上的水分大部分被烘干，衣物重量变低，可以被高速热空气吹浮并处于悬浮和舒展状态。
所述设定条件为干衣筒出风口处的热空气的相对湿度达到设定值，该设定值在20％-30％之间，优选24％-26％。开始衣物烘干进程后，设置在干衣筒出风口处滤网后部的湿度传感器时时检测所述干衣筒出风口处热空气的相对湿度，当所述热空气的相对湿度达到设定值时，进入烘干进程后期，开始除皱进程。所述相对湿度值受衣物种类、负载多少等因素的影响，一般根据具体情况事先设定或系统自动设定。
进一步的，为了避免干衣筒出风口处的热空气的相对湿度检测失效可能带来的影响，本发明还通过检测干衣筒出风热空气的温度变化值来确定设定条件。衣物烘干进程开始后，初期干衣筒出风口处的热空气的温度变化较小，随着烘干进程的进行，温度变化增大，当达到设定值时，开始除皱进程。
开始衣物烘干进程后，设置在干衣筒出风口处的温度传感器时时检测干衣筒出风口处热空气的温度，当温度变化值达到设定值时，进入烘干进程后期，开始除皱进程，此设定值一般根据具体情况事先设定或系统默认。
进一步的，所述加热设备的加热功率在不同的进程中发生适当的改变，所述烘干进程时，加热设备加热低速热空气的加热功率为P1，所述除皱进程时，加热设备加热高速热空气的加热功率为P2，加热低速热空气的加热效率为P3，优选的，所述P1小于等于P3，所述P1小于等于P2。
一种干衣机，包括干衣筒、风机、加热设备，还包括烘干风路：风机低速运转时热空气流经的风路；除皱风路：风机高速运转时热空气流经的风路；风路切换装置：控制热空气通入烘干风路或除皱风路，改变热空气进入干衣筒内的位置和/或方向。
其中，所述风路切换装置包括：直线电机、移动挡板、步进电机、调向开关、一个供气体进入的进口和两个供气体流出的出口，所述进口连接加热设备，一个出口连接干衣筒，为烘干风路的进口，移动挡板的动作控制所述出口与干衣筒之间的通断，直线电机控制移动挡板的动作；一个出口连接高速风管，为烘干风路的进口，热空气经风路切换装置先进入高速风管，再进入干衣筒内，调向开关控制所述出口与高速风管之间的通断，步进电机控制调向开关的动作。
所述高速风管，设置在风路切换装置与干衣筒之间，供高速热空气通过，配合风路切换装置改变高速运转时热空气进入干衣筒内的位置和/或方向。
进一步的，所述烘干风路工作时，直线电机控制移动挡板连通烘干风路，步进电机控制调向开关关闭除皱风路，热空气进入干衣筒内，对干衣筒内的衣物进行干燥，优选的，热空气自干衣筒后部进入干衣筒内，对干衣筒内的衣物进行干燥。
所述除皱风路工作时，步进电机控制调向开关连通除皱风路，直线电机控制移动挡板关闭烘干风路，高速热空气经过风路切换装置后进入高速风管，再由高速风管进入干衣筒内，吹浮衣物，对干衣筒内的衣物进行除皱，优选的，热空气自干衣筒前部上方斜向下进入干衣筒内，对干衣筒内的衣物进行除皱。
所述除皱风路工作时，所述高速热空气的流动方向与衣物运动的方向相反，挨近干衣筒壁向下以使衣物在热空气作用下产生悬浮效果，并减缓衣物的缠绕，提高衣物的烘干均匀性，使衣物内部也能被较好的烘干。
更进一步的，所述干衣筒的出风口处滤网后部安装湿度传感器，时时测定干衣筒出风口处热空气的相对湿度，通过相对湿度值与设定值的比较来判断烘干进程。
所述干衣筒出风口处设有温度传感器，时时测定干衣筒出风口处的热空气温度，通过干衣筒出风口处的热空气温度变化值来判断烘干进程。
一般情况下，烘干进程的前期，干衣筒出风口处的热空气温度变化值较小，随着烘干进程的持续进行，干衣筒出风口处的热空气温度变化值逐渐增大，当达到设定值时，认为烘干进程进行到了后期，开始除皱进程。
所述干衣机还包括进风窗和排风窗，所述进风窗还包括滤网，用来过滤空气中的尘屑、杂质；所述排风窗也包括滤网，用于防止机外尘屑、杂质进入机内。
所述干衣机的加热设备，包括加热器和加热通道，所述加热器设置在所述加热通道内部，考虑到安全、加热效果等因素的影响，所述加热通道的外壳材料一般采用金属材料，优选铝合金、钢或不锈钢等材料。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果。
1、有效去除滚筒干衣程序所带来的大量皱褶和折痕，提高衣物平整度，提升用户体验。
2、增强通风效果，干衣均匀，避免缠绕，缩短干衣时间。
3、除皱进程中，高速、低速热空气的频繁切换，既可以利用高速热空气吹浮衣物去除褶皱，又可以在干衣筒内短时间形成易于除皱的紊流，进一步提高衣物烘干的均匀性和烘干效率，还可避免长期高速热空气产生的紊流加剧衣物的缠绕和褶皱的形成，从而产生除皱效果不佳。
4、采用湿度传感器检测到的干衣筒出风热空气的相对湿度为除皱进程开始的设定条件，受衣物本身重量和吸水性等因素的影响大大减小，大大提高了设定条件的准确性，除皱效果更好。
5、为了避免干衣筒出风热空气的相对湿度检测失效可能带来的影响，还通过检测干衣筒出风口处热空气的温度变化值来确定设定条件，提高了设定条件的准确性，除皱效果更好。
6、除皱进程中，高速热空气的方向与衣物运动的方向相反，挨近干衣筒壁向下以使衣物在热空气作用下产生悬浮效果，并减缓衣物的缠绕，提高衣物的烘干均匀性，使衣物内部也能被较好的烘干。
7、除皱进程中，风机高速运转时被设置为高风量模式，并且高速风管末端的口径较小，如此形成的高速热空气吹浮衣物时，衣物的悬浮效果明显，除皱效果好，即使是质地较厚的衣物也可以产生很好的除皱效果。
8、加热设备的加热功率随着烘干除皱的进行而发生相应的变化，除皱进程时加热设备的加热功率适当提高，既保证了除皱效果，又保证了较高的烘干效率。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例 及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明干衣机机壳剖切示意图；
图2是风路切换装置与加热通道示意图；
图3是本发明烘干程序热空气流向示意图；
图4是本发明除皱程序热空气流向示意图；
图5是本发明安装于一实施方式的干衣机的干衣筒概略正式示意图；
图6是本发明干衣机外观示意图。
图中：1、机壳；2、机门；3、进风窗；4、排风窗；5、干衣筒；501、提升筋；502、干衣筒后法兰；6、高速风管；7、风路切换装置；701、步进电机；702、直线电机；703、移动挡板；704、调向开关；705、进口；706、出口；707、出口；8、加热器；9、加热通道；10、冷凝器；11、循环风机；12、进风风机；13、进风通道；14、冷凝水槽。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步的介绍。
本发明所述的一种衣物烘干除皱方法，所述方法包括下列步骤：放入衣物，干衣机收到启动信号，开始干燥衣物；风机运行，向干衣筒内输送干燥热空气，开始烘干进程；持续运行烘干进程，直至检测符合设定条件，执行衣物除皱进程，提高风机转速，热空气高速吹浮衣物；除皱进程中，控制风机高速、低速、高速循环交替的运行。
进行所述除皱进程时，热空气进入干衣筒内的位置和/或方向改变；风机高速、低速、高速循环交替运行的次数大于等于2次，优选3次或4次；风机高速、低速交替运行的运行时间比值在1:4到1:2之间，优选1:3。
所述除皱进程时，高速热空气、低速热空气频繁交替运行，高速热空气在干衣筒内吹浮衣物使衣物处于悬浮和翻转状态，与衣物作用后产生短期的紊流来进一步维持衣物状态，提高衣物烘干的均匀性和烘干效率，在紊流产生反作用效果之前，及时切换至低速热空气模式， 对衣物进行烘干，如此高速热空气、低速热空气频繁交替对干衣筒内的衣物产生作用，大大提高除皱效果、烘干均匀性和烘干效率。同时，还可避免长时间高速热空气产生的长时间紊流加剧衣物的缠绕和褶皱的形成。
进一步的，所述低速为烘干进程中风机运行的速度，高速为达到设定条件后风机提高到的运行速度，所述风机低速运行的转速与所述风机高速运行的转速比值在0.4-0.6之间，优选0.5；所述风机高速运行时的风量大于风机低速运行时的风量，所述风机低速运行时的风量在100m3/h-150m3/h之间，优选120m3/h-130m3/h之间，所述风机高速运行时的风量在230m3/h-270m3/h之间，优选240m3/h-260m3/h之间，风机低速运行时的风量与风机高速运行时的风量比值在0.4-0.65之间，优选0.5。
除皱进程中，风机高速运转时被设置为高风量模式，高速热空气进入干衣筒内的入口口径较小，因此，热空气处于高速高风量模式，当其吹浮衣物时，衣物的悬浮效果明显，除皱效果好，即使是质地较厚的衣物也可以产生很好的除皱效果。
进一步的，所述设定条件为烘干进程开始前设定的数值，为判定是否开始除皱进程的基准，以高速热空气能够吹浮衣物使衣物处于悬浮和翻转状态为参考标准。所述烘干进程的后期，衣物上的水分大部分被烘干，衣物重量变低，可以被高速热空气吹浮并处于悬浮和舒展状态。
所述设定条件为干衣筒出风热空气的相对湿度达到设定值，该设定值在20％-30％之间，优选24％-26％。开始衣物烘干进程后，设置在干衣筒出风口处滤网后部的湿度传感器时时检测所述干衣筒出风口处热空气的相对湿度，当所述热空气的相对湿度达到设定值时，进入烘干进程后期，开始除皱进程。所述相对湿度值受衣物种类、负载多少等因素的影响，一般根据具体情况事先设定或系统自动设定。
进一步的，为了避免干衣筒出风口处热空气的相对湿度检测失效可能带来的影响，本发明还通过检测干衣筒出风热空气的温度变化值来确定设定条件。衣物烘干进程开始后，初期干衣筒出风口处热空气的温度变化较小，随着烘干进程的进行，温度变化增大，当达到设定值时，开始除皱进程。
开始衣物烘干进程后，设置在干衣筒出风口处的温度传感器时时检测干衣筒出风口处热空气的温度，当温度变化值达到设定值时，进入烘干进程后期，进入除皱进程，此设定值一般根据具体情况事先设定或系统默认。
进一步的，所述加热设备的加热功率在不同的进程中发生适当的改变，所述烘干进程时，加热设备加热低速热空气的加热功率为P1，所述除皱进程时，加热设备加热高速热空气的加热功率为P2，加热低速热空气的加热效率为P3，优选的，所述P1小于等于P3，所述P1小于等于P2。
本发明所述的烘干除皱衣物的干衣机，包括干衣筒、风机、加热设备、冷凝设备，还包括烘干风路：风机低速运转时热空气流经的风路；除皱风路：风机高速运转时热空气流经的风路；风路切换装置：控制热空气通入烘干风路或除皱风路，改变热空气进入干衣筒内的位置和/或方向。
其中，所述风路切换装置包括：直线电机、移动挡板、步进电机、调向开关、一个进口和两个出口，所述进口连接加热设备，一个出口连接干衣筒，为烘干风路的进风口，移动挡板的动作控制所述出口与干衣筒之间的通断，直线电机控制移动挡板的动作；一个出口连接高速风管，热空气经风路切换装置先进入高速风管，再进入干衣筒内，调向开关控制所述出口与高速风管之间的通断，步进电机控制调向开关的动作。
所述高速风管，设置在风路切换装置与干衣筒之间，供高速热空气通过，配合风路切换装置改变高速运转时热空气进入干衣筒内的位置和/或方向。
进一步的，所述烘干风路工作时，直线电机控制移动挡板连通烘干风路，步进电机控制调向开关关闭除皱风路，热空气进入干衣筒内，对干衣筒内的衣物进行干燥，优选的，热空气自干衣筒后部进入干衣筒内，对干衣筒内的衣物进行干燥。
所述除皱风路工作时，步进电机控制调向开关连通除皱风路，直线电机控制移动挡板关闭烘干风路，高速热空气经过风路切换装置后进入高速风管，再由高速风管进入干衣筒内，吹浮衣物，对干衣筒内的衣物进行除皱，优选的，热空气自干衣筒前部上方斜向下进入干衣筒内，对干衣筒内的衣物进行除皱。
所述除皱风路工作时，所述高速热空气的方向与衣物运动的方向相反，挨近干衣筒壁向下以使衣物在热空气作用下产生悬浮效果，并减缓衣物的缠绕，提高衣物的烘干均匀性，使衣物内部也能被较好的烘干。
因为衣物湿度大的时候，重量很大，很难做到由高速热空气吹浮衣物使衣物处于悬浮和翻转状态，所以需要在烘干进程进行了一段时间后，即达到了干衣机系统设定的设定条件后，才开始进入除皱进程。当达到设定条件后，认为进入烘干进程后期，此时衣物中所含水分已 经不多，进入除皱进程，以高速热空气吹浮衣物使其处于悬浮和翻转状态，从而达到除皱效果。
更进一步的，所述干衣筒的出风口处滤网后部安装湿度传感器，时时测定干衣筒出风口处热空气的相对湿度，通过相对湿度值与设定值的比较来判断烘干进程。
所述干衣筒出风口处设有温度传感器，时时测定干衣筒出风口处的热空气温度，通过干衣筒出风口处的热空气温度变化值来判断烘干进程。
一般情况下，烘干进程的前期，干衣筒出风口处的热空气温度变化值较小，随着烘干进程的持续进行，干衣筒出风口处的空气温度变化值逐渐增大，当达到设定值时，认为烘干进程进行到了后期，开始除皱进程。
所述干衣机还包括进风窗和排风窗，所述进风窗还包括滤网，用来过滤空气中的尘屑、杂质等；所述排风窗还包括滤网，用于防止机外尘屑、杂质等进入机内。
所述干衣机还包括加热设备，所述加热设备包括加热器和加热通道，所述加热器设置在所述加热通道内部，考虑到安全、加热效果等因素的影响，所述加热通道的外壳材料一般采用金属材料，优选铝合金、钢或不锈钢等材料。
所述干衣机还包括冷凝设备，干衣机外的冷空气在进风风机作用下通过进风通道进入干衣机内，吹到冷凝器上吸收冷凝器冷凝热空气时传导出来的热量后升温，升温后经机壳侧面的排风窗排出干衣机外。
本发明所述衣物烘干除皱方法适用于滚筒干衣机和/或滚筒洗衣干衣一体机。不仅适用于直吹式干衣方式还更适用于循环烘干方式。
实施例一
如图1-图5所示，为利用本发明所述衣物烘干除皱方法的干衣机的实施例，所述干衣机包括机壳1、机门2、进风窗3、排风窗4、干衣筒5、提升筋501、干衣筒后法兰盘502、加热器8、加热通道9、冷凝器10、循环风机11、进风风机12、进风通道13、和冷凝水槽14，烘干风路：风机低速运转时热空气流经的风路；除皱风路：风机高速运转时热空气流经的风路；风路切换装置7：控制热空气通入烘干风路或除皱风路，改变热空气进入干衣筒5内的位置和/或方向。
如图2所示，所述风路切换装置7包括：直线电机702、移动挡板703、步进电机701、调向开关704、一个进口705和两个出口706、707，所述进口705连接加热通道9，一个出 口706连接干衣筒5，为烘干风路的进风口，移动挡板703的动作控制所述出口706与干衣筒5之间的通断，直线电机702控制移动挡板703的动作；一个出口707连接高速风管6，热空气经风路切换装置7先进入高速风管6，再进入干衣筒5内，为除皱风路的进风口，调向开关704控制所述出口707与高速风管6之间的通断，步进电机701控制调向开关704的动作。
所述高速风管6，设置在风路切换装置7与干衣筒5之间，供高速热空气通过，配合风路切换装置7改变高速运转时热空气进入干衣筒5内的位置和/或方向。
如图3所示，具体的：所述烘干风路为低速循环烘干风路：在循环风机11的作用下进入加热通道9，加热后经过风路切换装置7直接进入干衣筒5，自干衣筒5上方斜向下进入干衣筒5内，对衣物进行烘干后出干衣筒5进入冷凝器10，冷凝后在循环风,11的作用下再次进入加热通道9进行下一次循环；即循环风机11、加热通道9、风路切换装置7、干衣筒5和冷凝器10构成烘干风路。所述烘干风路工作时，直线电机702控制移动挡板703连通烘干风路，步进电机701控制调向开关704关闭除皱风路，低速循环热空气进入干衣筒5内，自干衣筒5后部进入干衣筒5内，对干衣筒5内的湿衣物进行干燥，带走衣物上部分水分蒸发成的水蒸气从干衣筒5的出风口排出。
如图4所示，具体的：所述除皱风路为高速循环除皱风路，在循环风机11的作用下进入加热通道9，加热后经过风路切换装置7进入高速风管6，经高速风管6后进入干衣筒5，自干衣筒5底部进入干衣筒5向上吹浮衣物后出干衣筒5进入冷凝器10，冷凝后在循环风机11的作用下再次进入加热通道9进行下一次循环。即循环风机11、加热通道9、风路切换装置7、高速风管6、干衣筒5和冷凝器10构成除皱风路。所述除皱风路工作时，步进电机701控制调向开关704连通除皱风路，直线电机702控制移动挡板703关闭烘干风路，高速循环热空气经过风路切换装置7后进入高速风管6，再由高速风管6进入干衣筒5内，高速循环热空气自干衣筒5前部上方斜向下进入干衣筒5内，对干衣筒5内的衣物进行除皱并干燥，带走衣物上部分水分蒸发成的水蒸气从干衣筒5的出风口排出。
所述除皱风路工作时，所述高速热空气的方向与衣物运动的方向相反，挨近干衣筒壁向下以使衣物在热空气作用下产生悬浮效果，并减缓衣物的缠绕，提高衣物的烘干均匀性，使衣物内部也能被较好的烘干。如图5所示，所述高速风管6设置在干衣筒5前部靠近机门2处，并设置在干衣筒5左上方，当干衣筒5顺时针旋转时，干衣筒5内的提升筋501带动衣物向左上方旋转，高速风管6喷出的高速热空气正好与衣物运动方向相反，挨近干衣筒壁向 右下方逆时针流动，吹浮衣物，减缓衣物的缠绕，除去衣物上的褶皱。反之，当所述高速风管6设置在干衣筒5右上方时，干衣筒5逆时针旋转，干衣筒5内的提升筋501带动衣物向右上方旋转，高速风管6喷出的高速热空气正好与衣物运动方向相反，挨近干衣筒壁向左下方顺时针流动，吹拂衣物，减缓衣物的缠绕，除去衣物上的褶皱。
如图4所示，干衣筒5的出风口设置在干衣筒5的前部下侧，靠近机门。所述干衣筒5的出风口处设置有滤网，所述滤网后部安装湿度传感器，测定干衣筒5出风口处热空气的相对湿度。当所述湿度传感器检测的相对湿度达到设定值20％-30％，优选达到24％-26％，则烘干进程进行到后期，开始高速循环热空气、低速循环热空气、高速循环热空气的循环，且高速循环热空气、低速循环热空气交替运行的运行时间比值在1:4到1:2之间，优选1:3。
为了避免干衣筒出风口处热空气的相对湿度检测失效可能带来的影响，所述干衣筒5的出风口处的滤网后部还安装有温度传感器，测定干衣筒5出风口处热空气的温度，通过干衣筒出风口处热空气的温度变化值来判断烘干进程。
一般情况下，烘干进程的前期，干衣筒出风口处的热空气温度变化值较小，随着烘干进程的持续进行，干衣筒出风口处的热空气温度变化值逐渐增大，当达到设定值时，认为烘干进程进行到了后期，开始除皱进程。
如图5所示，进风窗3设于所述干衣机机壳1前方右下侧，包括用来过滤空气中的尘屑、杂质等的滤网；所述排风窗4设于所述干衣机机壳1左方下侧，包括用于防止机外尘屑、杂质等进入机内的滤网。当干衣机开始工作后，进风风机12开始运行，干衣机外的冷空气在进风风机12的作用下通过进风窗3进入进风通道13内，再经过进风通道13进入干衣机内，吹到冷凝器10上，吸收冷凝器10冷凝干衣筒出风口出来的热空气时传导出来的热量后升温，升温后再经机壳1侧面的排风窗4排出干衣机外。
如图1和图3所示，所述干衣机还包括加热设备，所述加热设备包括加热器8和加热通道9，加热器8设置在所述加热通道9内部，考虑到安全、加热效果等因素的影响，所述加热通道9的外壳材料需采用金属材料，优选采用铝合金、钢或不锈钢等材料，本实施例中所述加热通道9的外壳材料为不锈钢。
如图1-图5所示，本实施例中，所述干衣机的烘干除皱方法步骤如下：
放入衣物，干衣机收到启动信号，开始干燥衣物；
如图3所示，循环风机11运行，低速循环向干衣筒5内输送干燥热空气，开始烘干进程。 烘干进程中热空气的循环路径具体为：循环风机11低速运转，将冷凝后的干燥空气送入加热通道9内，在加热通道9中经加热器8加热后进入风路切换装置7，风路切换装置7包括一个进口和两个出口，所述进口连接加热通道9，一个出口连接干衣筒5形成烘干风路的进风口，另一个出口连接高速风管6形成除皱风路的进风口，直线电机702控制移动挡板703连通烘干风路，步进电机701控制调向开关704关闭除皱风路，则热空气通过风路切换装置7自干衣筒5上的进风口进入干衣筒5，在干衣筒5中穿过衣物，并于干衣筒5中与衣物中的水分进行能量置换，带走衣物上部分水分蒸发成的水蒸气通过干衣筒5的出风口进入冷凝器10，在冷凝器10中，利用经进风窗3在进风风机12作用下进入进风通道13的机外冷空气吹到冷凝器10上，对冷凝器10中经过的热空气进行冷凝，冷凝后的干燥空气在低速运转的循环风机11的作用下再次低速进入加热通道9，进行循环；
持续运行烘干进程，直至检测符合设定条件，执行衣物除皱进程，提高循环风机11转速，热空气高速吹浮衣物。烘干进程持续进行的同时，通过干衣筒5的出风口处滤网后部设有的湿度传感器时时检测干衣筒5出风口处热空气的相对湿度，将测得的相对湿度值与系统设定值做比较，判断烘干进程进行到哪个阶段。若相对湿度达到设定值，则烘干进程进入后期，开始除皱进程。为了避免干衣筒出风口处热空气的相对湿度检测失效可能带来的影响，还通过检测干衣筒出风热空气的温度变化值来确定设定条件。
如图4所示，除皱进程以高速循环空气吹浮衣物使衣物处于悬浮和翻转状态开始，高速循环空气的循环路径具体为：循环风机11高速运转，将冷凝后的干燥空气送入加热通道9，在加热通道9中经加热器8加热后进入风路切换装置7，风路切换装置7包括一个进口和两个出口，所述进口连接加热通道9，一个出口连接干衣筒5形成烘干风路的进风口，另一个出口连接高速风管6形成除皱风路的进风口，直线电机702控制移动挡板703关闭烘干风路，步进电机701控制调向开关704连通除皱风路，则热空气通过风路切换装置7进入高速风管6，再经由高速风管6进入干衣筒5中，在干衣筒5中吹浮衣物使衣物悬浮和舒展，并于干衣筒5中与衣物中的水分进行能量置换，带走衣物上部分水分蒸发成的水蒸气通过干衣筒5的出风口进入冷凝器10，在冷凝器10中，利用经进风窗3在进风风机12作用下进入进风通道13的机外冷空气吹到冷凝器10上，对冷凝器10中经过的热空气进行冷凝，冷凝后的干燥空气在高速运转的循环风机11的作用下再次高速进入加热通道9，进行循环。
除皱进程中，控制循环风机11高速、低速、高速循环交替的运行，直至结束。
进行所述除皱进程时，热空气进入干衣筒5内的位置和/或方向改变。
所述除皱进程时，高速热空气、低速热空气频繁交替运行，高速热空气在干衣筒5内吹浮衣物使衣物处于悬浮和翻转状态，与衣物作用后产生短期的紊流来进一步维持衣物状态，提高衣物烘干的均匀性和烘干效率，在紊流产生反作用效果之前，及时切换至低速热空气模式，对衣物进行烘干，如此高速热空气、低速热空气频繁交替对干衣筒5内的衣物产生作用，大大提高除皱效果、烘干均匀性和烘干效率。同时，还可避免长时间高速热空气产生的长时间紊流加剧衣物的缠绕和褶皱的形成。
所述低速为烘干进程中循环风机11运行的速度，高速为达到设定条件后循环风机11提高到的运行速度，所述循环风机11低速运行的转速与所述循环风机11高速运行的转速比值在0.4-0.6之间，优选0.5；所述循环风机11高速运行时的风量大于循环风机11低速运行时的风量，所述循环风机11低速运行时的风量在100m3/h-150m3/h之间，优选120m3/h-130m3/h之间，所述循环风机11高速运行时的风量在230m3/h-270m3/h之间，优选240m3/h-260m3/h之间，循环风机11低速运行时的风量与循环风机11高速运行时的风量比值在0.4-0.65之间，优选0.5。
除皱进程中，循环风机11高速运转时被设置为高风量模式，高速热空气进入干衣筒5内的入口口径较小，因此，热空气处于高速高风量模式，当其吹浮衣物时，衣物的悬浮效果明显，除皱效果好，即使是质地较厚的衣物也可以产生很好的除皱效果。
所述设定条件为烘干进程开始前设定的数值，为判定是否开始除皱进程的基准，以高速热空气能够吹浮衣物使衣物处于悬浮和翻转状态为参考标准。所述烘干进程的后期，衣物上的水分大部分被烘干，衣物重量变低，可以被高速热空气吹浮并处于悬浮和舒展状态。
所述设定条件为干衣筒5出风口处热空气的相对湿度达到设定值，该设定值在20％-30％之间，优选24％-26％。开始衣物烘干进程后，设置在干衣筒5出风口处滤网后部的湿度传感器时时检测所述干衣筒出风口处热空气的相对湿度，当所述热空气的相对湿度值达到设定值时，进入烘干进程后期，开始除皱进程。所述相对湿度值受衣物种类、负载多少等因素的影响，一般根据具体情况事先设定或系统自动设定。
为了避免干衣筒5出风口处热空气的相对湿度检测失效可能带来的影响，本发明还通过检测干衣筒5出风热空气的温度变化值来确定设定条件。衣物烘干进程开始后，初期干衣筒5出风口处热空气的温度变化较小，随着烘干进程的进行，温度变化增大，当达到设定值时，开始除皱进程。
开始衣物烘干进程后，设置在干衣筒5出风口处的温度传感器时时检测干衣筒5出风口 处热空气的温度，当温度变化值达到设定值时，进入烘干进程后期，进入除皱进程，此设定值一般根据具体情况事先设定或系统默认。
所述加热器8的加热功率在不同的进程中发生适当的改变，所述烘干进程时，加热器加热低速热空气的加热功率为P1，所述除皱进程时，加热器8加热高速热空气的加热功率为P2，加热低速热空气的加热效率为P3，优选的，所述P1小于等于P3，所述P1小于等于P2。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种衣物烘干除皱方法，其特征在于：所述方法包括下列步骤：
    放入衣物，干衣机收到启动信号，开始干燥衣物；
    风机运行，向干衣筒内输送干燥热空气，开始烘干进程；
    持续运行烘干进程，直至检测符合设定条件，执行衣物除皱进程，提高风机转速，热空气高速吹浮衣物；
    除皱进程中，控制风机高速、低速、高速多次循环交替的运行。
  2. 根据权利要求1所述的衣物烘干除皱方法，其特征在于：所述除皱进程时，热空气进入干衣筒内的位置和/或方向改变；风机高速、低速、高速循环交替运行的次数大于等于2次，优选3次或4次；风机高速、低速交替运行的运行时间比值在1:4到1:2之间，优选1:3。
  3. 根据权利要求1或2所述的衣物烘干除皱方法，其特征在于：所述低速为烘干进程中风机运行的速度，高速为达到设定条件后风机提高到的运行速度，所述风机低速运行的转速与所述风机高速运行的转速比值在0.4-0.6之间，优选0.5；所述风机高速运行时的风量大于风机低速运行时的风量，所述风机低速运行时的风量在100m3/h-150m3/h之间，优选120m3/h-130m3/h之间，所述风机高速运行时的风量在230m3/h-270m3/h之间，优选240m3/h-260m3/h之间，风机低速运行时的风量与风机高速运行时的风量比值在0.4-0.65之间，优选0.5。
  4. 根据权利要求1所述的衣物烘干除皱方法，其特征在于：所述设定条件为烘干进程开始前设定的数值，为判定是否开始除皱进程的基准，以高速热空气能够吹浮衣物使衣物处于悬浮和翻转状态为参考标准。
  5. 根据权利要求1或4所述的衣物烘干除皱方法，其特征在于：所述设定条件为干衣筒出风口处热空气的相对湿度达到设定值，该设定值在20％-30％之间，优选24％-26％。
  6. 根据权利要求1所述的衣物烘干除皱方法，其特征在于：所述烘干进程时，加热设备加热低速热空气的加热功率为P1，所述除皱进程时，加热设备加热高速热空气的加热功率为P2，加热低速热空气的加热效率为P3，优选的，所述P1小于等于P3，所述P1小于等于P2。
  7. 一种干衣机，包括干衣筒、风机、加热设备，其特征在于：还包括：
    烘干风路：风机低速运转时热空气流经的风路；
    除皱风路：风机高速运转时热空气流经的风路；
    风路切换装置：控制热空气通入烘干风路或除皱风路，改变热空气进入干衣筒内的位置和/或方向。
  8. 根据权利要求7所述的干衣机，其特征在于：所述风路切换装置包括：直线电机、移动挡板、步进电机、调向开关、一个进口和两个出口，一个出口连接干衣筒，一个出口连接高速风管。
  9. 根据权利要求7所述的干衣机，其特征在于：所述烘干风路工作时，直线电机控制移动挡板连通烘干风路，步进电机控制调向开关关闭除皱风路，热空气进入干衣筒内，对干衣筒内的衣物进行干燥，优选的，热空气自干衣筒后部进入干衣筒内，对干衣筒内的衣物进行干燥。
  10. 根据权利要求7所述的干衣机，其特征在于：所述除皱风路工作时，步进电机控制调向开关连通除皱风路，直线电机控制移动挡板关闭烘干风路，高速热空气经过风路切换装置后进入高速风管，再由高速风管进入干衣筒内，吹浮衣物，对干衣筒内的衣物进行除皱，优选的，热空气自干衣筒前部上方斜向下进入干衣筒内，对干衣筒内的衣物进行除皱。
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