阅读说明：本技术 一种多功能热泵干衣机及其控制方法 (Multifunctional heat pump clothes dryer and control method thereof ) 是由 丁曲洲 孙亮 王虎 鲁洲 于 2021-04-30 设计创作，主要内容包括：本发明公开了一种多功能热泵干衣机及其控制方法,包括外壳、烘干风道系统、热泵换热系统、驱动系统、检测控制模块和雾化加湿装置；烘干风道系统设置在外壳内,并与热泵换热系统连通形成热风循环路径,烘干风道系统包括可容置衣物的干燥筒和驱动风路循环的风扇,干燥筒可旋转安装在外壳内并由驱动系统驱动；检测控制模块包含若干设置在热风循环路径上的检测传感器；雾化加湿装置具有喷雾口,雾化加湿装置的喷雾口被设置成指向干燥筒内。本发明使用弱电控制、冷蒸汽方式进行除皱去味,装置组件少,安装操作简单,使得装置成本、生产成本大幅降低。雾化装置设置缺水保护功能,能够防止雾化片干烧引起的损坏,可靠性得到保证。(The invention discloses a multifunctional heat pump clothes dryer and a control method thereof, wherein the multifunctional heat pump clothes dryer comprises a shell, a drying air duct system, a heat pump heat exchange system, a driving system, a detection control module and an atomization and humidification device; the drying air channel system is arranged in the shell and is communicated with the heat pump heat exchange system to form a hot air circulation path, the drying air channel system comprises a drying drum capable of containing clothes and a fan for driving the air path to circulate, and the drying drum is rotatably arranged in the shell and is driven by the driving system; the detection control module comprises a plurality of detection sensors arranged on the hot air circulation path; the atomization and humidification device is provided with a spray opening, and the spray opening of the atomization and humidification device is arranged to be directed into the drying cylinder. The invention uses weak current control and cold steam to remove wrinkles and odor, has few device components and simple installation and operation, and greatly reduces the device cost and the production cost. The atomizing device has a water shortage protection function, damage caused by dry burning of the atomizing sheet can be prevented, and reliability is guaranteed.)

1. A multifunctional heat pump clothes dryer is characterized in that: the device comprises a shell, a drying air duct system, a heat pump heat exchange system, a driving system, a detection control module and an atomization and humidification device; the drying air duct system is arranged in the shell and is communicated with the heat pump heat exchange system to form a hot air circulation path, the drying air duct system comprises a drying drum capable of containing clothes, a fan for driving an air path to circulate and the like, and the drying drum is rotatably arranged in the shell and driven by the driving system; the detection control module comprises a plurality of detection sensors arranged on the hot air circulation path; the atomizing and humidifying device is provided with a spray opening, the spray opening of the atomizing and humidifying device is arranged to point to the inside of the drying cylinder, and the spray opening is controlled by the detection control module according to comprehensive detection parameters of the hot air circulation path.

2. The multifunctional heat pump clothes dryer of claim 1, wherein: the drying cylinder is rotatably arranged in the shell and is provided with a clothes placing and taking opening, an air inlet and an air outlet, the heat pump heat exchange system is arranged outside the drying cylinder, the air inlet of the drying cylinder is connected to the air inlet end of the heat pump heat exchange system, the air outlet of the drying cylinder is connected to the air outlet end of the heat pump heat exchange system, the heat pump heat exchange system comprises a compressor, an evaporator and a condenser, and the drying air duct system is combined with the heat pump heat exchange system to form a hot air circulation path capable of drying and dehumidifying.

3. The multifunctional heat pump clothes dryer of claim 1, wherein: the detection sensor of the detection control module comprises a humidity sensor arranged on the inner wall of the drying cylinder and a temperature sensor arranged in the heat pump heat exchange system.

4. The multifunctional heat pump clothes dryer of claim 1, wherein: atomizing humidification device includes water inlet, gas outlet, water level response piece, atomizing piece, inlet tube, gas outlet and water storage box, water inlet, gas outlet, water level response piece and atomizing piece form the atomising head that has the protection function of lack of water, inlet tube, gas outlet and water storage box form atomizing humidification device's water delivery retaining structure.

5. The multifunctional heat pump clothes dryer of claim 1, wherein: the driving system is of a belt driving structure and is arranged in the middle of the outer side of the drying cylinder.

6. A control method of a multifunctional heat pump clothes dryer is characterized in that: the control method comprises the following steps:

after the multifunctional heat pump clothes dryer is started, executing a load identification judgment program to identify and judge different load states of the multifunctional heat pump clothes dryer;

the multifunctional heat pump clothes dryer enters different operation programs under different load states to execute corresponding different atomization and humidification actions.

7. The control method of the multifunctional heat pump clothes dryer of claim 6, wherein: the different load states include a light load or empty bucket state and a multiple load state.

8. The control method of the multifunctional heat pump clothes dryer of claim 6, wherein: and in the load identification and judgment program, identification and judgment are carried out through the detection parameters of the multifunctional heat pump clothes dryer detection control module and the system preset parameters.

9. The control method of the multifunctional heat pump clothes dryer of claim 8, wherein: the detection parameters comprise a temperature value T1 of an air outlet and a humidity sensor conversion value Rh, the system preset parameters comprise a set humidity value A0 of a judgment condition, and different load states of the multifunctional heat pump clothes dryer are comprehensively judged through unit time change of the temperature value T1 and comparison between the conversion value Rh and the set humidity value A0.

10. The control method of the multifunctional heat pump clothes dryer of claim 9, wherein: and the different load states of the multifunctional heat pump clothes dryer control the atomization and humidification device of the multifunctional heat pump clothes dryer to operate for different time lengths, and the set atomization water amount is sprayed.

Technical Field

The invention relates to the technical field of clothes cleaning electric appliances, in particular to a multifunctional heat pump clothes dryer and a control method thereof.

Background

The user stacks the storage with clean clothing, and the clothing can produce the fold, can not directly wear, can influence the overall effect of clothing, and the user generally needs to iron the clothing and handle. Especially in season change, the clothes are more seriously wrinkled and have peculiar smell after being stored for a longer time, and the condition needs to carry out washing and drying treatment on clean clothes, thereby wasting time and labor and increasing the waste of water and electricity resources.

The common method of the current clothes dryer is to add a separate hot steam module, form high-heat steam water mist,

however, this method is not friendly to temperature sensitive materials, and is complicated to produce and assemble and high in module cost.

The other method is to form cold spray by using the pressure of a water pump, and although the cost is low compared with a hot steam method, the spraying effect is poor, and the wrinkle removing effect is not ideal.

Disclosure of Invention

The invention provides a multifunctional heat pump clothes dryer with lower cost and good effect and a control method thereof aiming at the problems existing in the background and the prior art. The technical scheme of the invention is as follows:

a multifunctional heat pump clothes dryer comprises a shell, a drying air duct system, a heat pump heat exchange system, a driving system, a detection control module and an atomization and humidification device; the drying air duct system is arranged in the shell and is communicated with the heat pump heat exchange system to form a hot air circulation path, the drying air duct system comprises a drying drum capable of containing clothes, a fan for driving an air path to circulate and the like, and the drying drum is rotatably arranged in the shell and driven by the driving system; the detection control module comprises a plurality of detection sensors arranged on the hot air circulation path; the atomizing and humidifying device is provided with a spray opening, the spray opening of the atomizing and humidifying device is arranged to point to the inside of the drying cylinder, and the spray opening is controlled by the detection control module according to comprehensive detection parameters of the hot air circulation path.

As a further description of the present invention, the drying cylinder is rotatably disposed in the housing, and has a clothing placing and taking opening, an air inlet and an air outlet, the heat pump heat exchange system is disposed outside the drying cylinder, the air inlet of the drying cylinder is connected to the air inlet end of the heat pump heat exchange system, the air outlet of the drying cylinder is connected to the air outlet end of the heat pump heat exchange system, and the heat pump heat exchange system includes a compressor, an evaporator and a condenser, so that the drying air duct system and the heat pump heat exchange system form a hot air circulation path capable of drying and dehumidifying.

Furthermore, the detection sensor of the detection control module comprises a humidity sensor arranged on the inner wall of the drying cylinder and a temperature sensor arranged in the heat pump heat exchange system, and the state identification and the operation control of the multifunctional heat pump clothes dryer are realized by detecting parameters such as a humidity value, a temperature change value and the like of drying hot air and comparing the parameters with a system preset value.

Furthermore, atomizing humidification device includes water inlet, gas outlet, water level response piece, atomizing piece, inlet tube, gas outlet and water storage box, water inlet, gas outlet, water level response piece and atomizing piece form the atomising head that has the water shortage protect function, inlet tube, gas outlet and water storage box form atomizing humidification device's water delivery retaining structure.

Furthermore, the driving system is a belt driving structure and is arranged in the middle of the outer side of the drying cylinder.

In another aspect, the present invention provides a control method of a multifunctional heat pump clothes dryer, the control method including:

after the multifunctional heat pump clothes dryer is started, executing a load identification judgment program to identify and judge different load states of the multifunctional heat pump clothes dryer;

the multifunctional heat pump clothes dryer enters different operation programs under different load states to execute corresponding different atomization and humidification actions.

Still further, the different load states include a light load or empty bucket state and a multiple load state.

Furthermore, in the load identification and judgment program, identification and judgment are carried out through the detection parameters of the multifunctional heat pump clothes dryer detection control module and the preset system parameters.

Furthermore, the detection parameters include a temperature value T1 of the air outlet and a humidity sensor conversion value Rh, the system preset parameters include a set humidity value a0 of a judgment condition, and different load states of the multifunctional heat pump clothes dryer are comprehensively judged through unit time change of the temperature value T1 and comparison between the conversion value Rh and the set humidity value a 0.

Furthermore, different load states of the multifunctional heat pump clothes dryer control the atomization and humidification device of the multifunctional heat pump clothes dryer to operate for different time lengths, and set atomization water amount spraying is executed.

The invention has the beneficial effects that:

the atomizing and humidifying device is arranged at the edge of the roller of the clothes dryer, when a user selects the functions of removing wrinkles and odor, the atomizing and humidifying device sprays water mist through the special ultrasonic atomizing sheet to atomize and humidify clothes, and the special ultrasonic atomizing sheet has large mist output and generates fine and uniform water molecules. In the clothes drying process, the set atomized water amount is sprayed by monitoring the weights of different clothes, and the water amount sprayed on the clothes is accurately controlled. After atomization, a drying process is executed, and the effects of wrinkle removal and odor removal are obvious; the wrinkle and odor removal is carried out by using a weak current control and cold steam mode, the number of device components is small, the installation and operation are simple, and the device cost and the production cost are greatly reduced. The atomizing device has a water shortage protection function, damage caused by dry burning of the atomizing sheet can be prevented, and reliability is guaranteed.

Drawings

FIG. 1 is an overall structural view of a multifunctional heat pump clothes dryer of the present invention;

FIG. 2 is a view of the atomizing head of the atomizing device of the present invention;

FIG. 3 is a drawing of the atomizer of the present invention;

fig. 4 is a flow chart of the atomizing wrinkle removing process of the multifunctional heat pump clothes dryer of the invention.

Reference numerals: the drying cylinder 101, the fan 102, the motor 103, the belt 104, the temperature sensor 105, the compressor 106, the water inlet 201, the air outlet 202, the water level sensing piece 203, the atomization piece 204, the water inlet pipe 302, the air outlet pipe 303 and the water storage box 304.

Detailed Description

Example (b):

the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely a part of the embodiments of the invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

A multifunctional heat pump clothes dryer comprises a shell, a drying air duct system, a heat pump heat exchange system, a driving system, a detection control module and an atomization and humidification device; the drying air duct system is arranged in the shell and is communicated with the heat pump heat exchange system to form a hot air circulation path, the drying air duct system comprises a drying drum 101 capable of containing clothes, a fan 102 for driving an air path to circulate and the like, and the drying drum 101 is rotatably arranged in the shell and is driven by the driving system; the detection control module comprises a plurality of detection sensors arranged on the hot air circulation path; the atomizing and humidifying device is provided with a spray opening, the spray opening of the atomizing and humidifying device is arranged to point into the drying cylinder 101, and the spray opening is controlled by the detection control module according to comprehensive detection parameters of the hot air circulation path.

In this embodiment, referring to the drawings, a drying drum 101 for accommodating clothes to be dried is rotatably disposed in the housing, and a belt 104 shown in the drawings is used for driving and has a clothes placing and taking opening, an air inlet and an air outlet, the heat pump heat exchange system is disposed outside the drying drum 101, the air inlet of the drying drum 101 is connected to the air inlet end of the heat pump heat exchange system, the air outlet of the drying drum 101 is connected to the air outlet end of the heat pump heat exchange system, and the heat pump heat exchange system includes a compressor 106, an evaporator and a condenser, so that the drying air duct system and the heat pump heat exchange system form a hot air circulation path capable of drying and dehumidifying. During the drying process, the clothes to be dried are placed in the drying drum 101, and when the drying process is performed, the fan 102 continuously blows hot drying air into the drying drum 101 through the air inlet to dry the clothes to be dried in the drying drum 101; meanwhile, drying hot air continuously enters the heat pump heat exchange system from the air outlet. The hot drying air entering the heat pump heat exchange system through the air outlet is hot drying air with relatively high humidity, water and air are separated after condensation, evaporation and compression of the heat pump heat exchange system, condensed water is discharged, and the hot drying air is sent into the drying cylinder 101 again through the fan 102 to be dried, so that hot air circulation is formed, and clothes drying is realized.

In this embodiment, the detection sensor of the detection control module includes a humidity sensor 107 disposed on the inner wall of the drying cylinder 101 and a temperature sensor 105 disposed in the heat pump heat exchange system, and the state identification and the operation control of the multifunctional heat pump clothes dryer are realized by detecting parameters such as a humidity value, a temperature variation value, etc. of the drying hot air and comparing the detected parameters with a system preset value.

Referring to the attached drawings, in the embodiment, the atomizing and humidifying device is used for spraying and wetting the clothes to be dried before drying so as to achieve the effect of removing wrinkles and odor during drying. The atomization humidification device is right the humidification spray volume in the drying cylinder 101 is according to the load capacity control of the drying cylinder 101, and during the clothes drying process, through monitoring different clothes weights, the atomization water volume of setting is sprayed, and the water volume sprayed on the clothes is accurately controlled.

Referring to the drawings, in a preferred embodiment, the atomizing and humidifying device includes, but is not limited to, a water inlet 201, a gas outlet 202, a water level sensing sheet 203, an atomizing sheet 204, a water inlet pipe 302, a gas outlet pipe 303 and a water storage box 304, the water inlet 201, the gas outlet 202, the water level sensing sheet 203 and the atomizing sheet 204 form a spray head with a water shortage protection function, and the water inlet pipe 302, the gas outlet pipe 303 and the water storage box 304 form a water conveying and storing structure of the atomizing and humidifying device. It has the water shortage protect function, can effectively prevent atomizing piece 204 dry combustion method damage. Specifically, when no water exists in the atomization device, a water level protection range is set according to the reading value of the capacitive water level sensing sheet 203, when the water is stored in the atomization device, the capacitance value tested by the water level sensing sheet 203 enters the water level protection range, the single chip microcomputer judges that the device is in a water-free or water-deficient state at the moment, the circuit board stops supplying power to the device, and the atomization sheet 204 does not work, so that the water-deficient protection of the atomization humidification device is realized.

Fig. 4 is a flow chart of a control method of the multifunctional heat pump clothes dryer provided by the invention. As shown in fig. 4, after the clothes to be dried is added, the start program can optionally enter a wrinkle and odor removing program, and at this time, the multifunctional heat pump clothes dryer first enters a load identification and judgment program to identify and judge the load condition of the drying drum 101. Specifically, when the wrinkle and odor removing process is started, the heat pump heat exchange system and the driving system (driven by the motor 103) start to work, the states of the clothes in the drying cylinder 101, such as three states of more clothes, less clothes and an empty cylinder, can be judged through a preset judgment algorithm according to the change of the temperature T1 of the air outlet and the value of the conversion value Rh of the humidity sensor, the mist outlet amount of the atomizing device is controlled according to different states, and the drying process is executed after atomization.

The specific identification and judgment process is as follows: when the change speed of the T1 is too fast, the drying drum can be judged to be in a small load or empty drum, after the humidity value Rh is compared with the judgment condition, the drying drum 101 can be judged to be in a small load or empty drum, the atomization device operates for T1 time, and then the subsequent drying program operates. Examples are: when the change value delta T1 of T1 is greater than 10 ℃ in five minutes and the reading value Rh of the humidity sensing piece is continuously tested to be greater than the set humidity value A0, the fact that the load in the drying cylinder 101 is small or the drying cylinder is empty is judged, the atomizing device starts to atomize, the set working time T1 is operated, and after the atomizing program is finished, the drying process of the clothes dryer is executed.

When the change speed of the T1 is smaller than the set limit value, the drying drum 101 is judged to be under the condition of multiple loads, and after the humidity value Rh is compared with the judgment condition, the drying drum 101 is judged to be under the condition of multiple loads, the atomization device operates for T2 time, and then the subsequent drying program operates. Examples are: when the change value delta T1 of T1 is less than 10 ℃ in five minutes and the reading value Rh of the humidity sensing piece is continuously tested to be less than the set humidity value A0, judging that the drying cylinder 101 is loaded more, starting the atomization device to atomize, operating the set working time T2, and executing the drying process of the clothes dryer after the atomization program is finished.

The foregoing is illustrative of the preferred embodiments of the present invention only and is not to be construed as limiting the claims. The invention is not limited to the above embodiments, the specific construction of which allows variations, and in any case variations, which are within the scope of the invention as defined in the independent claims.