阅读说明：本技术 一种风道加热组件及具有其的衣物处理设备 (Air duct heating assembly and clothes treatment equipment with same ) 是由 刘剑 冯颖 吴城 刘伟德 毛建平 于 2020-12-25 设计创作，主要内容包括：本发明提供一种风道加热组件及具有其的衣物处理设备,其中风道具有出风口和风机；风道加热组件设置于风机和出风口之间,包括加热装置和温度传感器,加热装置具有支架主体、加热板和热电薄膜,热电薄膜为石墨烯,用于加热风道内的空气；相邻的加热板之间形成加热空间；加热板上设有通孔,相邻加热板上的通孔交替设置；风道内的空气由通孔进入加热空间并与石墨烯热电薄膜完成热量交换,加热风道内的空气；当温度传感器检测的结果超过预设温度范围时,通过限温器控制加热装置停止运行,使风道内的温度保持在预设温度范围内；本发明结构简单、所需加热时间短,占用空间小,自动化程度高,可实现与风道内空气的高效换热,用户体验度高。(The invention provides an air duct heating assembly and clothes treatment equipment with the same, wherein an air duct is provided with an air outlet and a fan; the air duct heating assembly is arranged between the fan and the air outlet and comprises a heating device and a temperature sensor, the heating device is provided with a support main body, a heating plate and a thermoelectric film, and the thermoelectric film is graphene and used for heating air in the air duct; a heating space is formed between the adjacent heating plates; through holes are arranged on the heating plates, and the through holes on the adjacent heating plates are alternately arranged; air in the air channel enters the heating space through the through hole and completes heat exchange with the graphene thermoelectric film to heat the air in the air channel; when the detection result of the temperature sensor exceeds the preset temperature range, the temperature limiter controls the heating device to stop running so as to keep the temperature in the air duct within the preset temperature range; the invention has the advantages of simple structure, short required heating time, small occupied space, high automation degree, high-efficiency heat exchange with the air in the air duct and high user experience.)

1. An air duct heating assembly; it is characterized by comprising:

the heating device is provided with a bracket and a thermoelectric film fixed on the bracket and used for heating the air in the air duct;

and the detection module is provided with a temperature sensor and is used for detecting the temperature of the air in the air duct and controlling the starting and stopping of the heating device to keep the temperature of the air in the air duct within a preset temperature range.

2. The duct heating assembly of claim 1, wherein the bracket has a main body and a heating plate disposed on the main body; the thermoelectric film is fixed on two sides of the heating plate along the flow direction of the air in the air duct.

3. The duct heating assembly according to claim 2, wherein the heating plates are arranged in plurality along the length direction of the main body, and a heating space is formed between adjacent heating plates; the air in the air duct completes heat exchange with the heating device in the heating space.

4. The duct heating assembly according to claim 3, wherein the heating plates are provided with through holes, and the through holes of adjacent heating plates are alternately arranged; and air in the air channel enters the heating space through the through holes which are arranged in a staggered mode.

5. The duct heating assembly of claim 4, wherein the apertures of the through holes are adjustable in size and/or number.

6. The duct heating assembly of claim 1, wherein the heating device further comprises a temperature limiter for controlling the start and stop of the heating device.

7. The duct heating assembly of claim 1, wherein the heating device is removably connected to the duct.

8. The air duct heating assembly according to claim 7, wherein the bracket has a slot thereon, and the wall of the air duct has a buckle thereon, and the slot and the buckle cooperate to connect the heating device to the air duct.

9. A laundry treating apparatus having a controller, an air duct having an air outlet and a fan, and the air duct heating assembly of any of claims 1-8; the heating assembly is arranged between the fan and the air outlet and is detachably connected with the air duct.

10. The clothes treatment apparatus according to claim 9, wherein the controller is electrically connected to the temperature sensor and the temperature limiter, respectively, and configured to receive data transmitted by the temperature sensor and control the start and stop of the heating device through the temperature limiter, so as to maintain the temperature in the air duct within a preset temperature range.

11. The laundry treating apparatus according to claim 10, wherein the controller controls the fan and the heating device to be activated when the laundry treating apparatus runs a drying program; the temperature sensor detects the temperature of the air in the air duct and transmits a detection result to the controller, and the controller judges whether the temperature T1 of the air in the air duct is within a preset temperature range.

12. The laundry treating apparatus according to claim 11, wherein the controller controls the heating device to stop operating through the temperature limiter when a temperature T1 of air in the duct exceeds a preset temperature range.

Technical Field

The invention belongs to the technical field of clothes treatment equipment, and particularly relates to an air duct heating assembly and clothes treatment equipment with the same.

Background

In the continuous development process of the washing machine market in recent years, the market demand of the washing and drying integrated machine is increased year by year due to the consumption promotion trend of quality and life demand. New technologies and new materials are gradually applied to the washing and drying integrated machine. The traditional electric heating pipe is adopted in the drying air duct of the washing and drying integrated machine (or clothes dryer) at present, the whole temperature rising process needs 30-50min in the drying process, the temperature rising time is too long, the drying performance of the washing and drying machine is seriously influenced, and the problems are urgently needed to be solved.

Disclosure of Invention

In view of the above, the invention provides an air duct heating assembly and a clothes processing device with the same, so as to solve the problems of complex structure, poor drying effect and the like of a drying air duct in the prior art.

The invention provides an air duct heating assembly, wherein an air duct is provided with an air outlet and a fan; air duct heating element set up in between fan and the air outlet, include:

the heating device is provided with a bracket and a thermoelectric film fixed on the bracket and used for heating the air in the air duct;

and the detection module is provided with a temperature sensor and is used for detecting the temperature of the air in the air duct and controlling the starting and stopping of the heating device to keep the temperature of the air in the air duct within a preset temperature range.

Further optionally, the stand has a main body and a heating plate disposed on the main body; the thermoelectric film is fixed on two sides of the heating plate along the flow direction of the air in the air duct.

Further optionally, a plurality of heating plates are arranged along the length direction of the main body, and a heating space is formed between every two adjacent heating plates; the air in the air duct completes heat exchange with the heating device in the heating space.

Further optionally, through holes are formed in the heating plates, and the through holes in the adjacent heating plates are alternately arranged; and air in the air channel enters the heating space through the through holes which are arranged in a staggered mode.

Further optionally, the aperture size and/or number of the through holes is adjustable.

Further optionally, the heating device further comprises a temperature limiter for controlling the start and stop of the heating device.

Further optionally, the heating device is detachably connected with the air duct.

Further optionally, a clamping groove is formed in the bracket, a buckle is formed in the wall surface of the air duct, and the clamping groove and the buckle are matched to realize connection of the heating device and the air duct.

The present invention also provides a laundry treatment apparatus having a controller, an air duct and the air duct heating assembly of any of claims 1-8, the air duct having an air outlet and a fan; the heating assembly is arranged between the fan and the air outlet and is detachably connected with the air duct.

Further optionally, the controller is electrically connected to the temperature sensor and the temperature limiter, and is configured to receive data transmitted by the temperature sensor, and control start and stop of the heating device through the temperature limiter, so that the temperature in the air duct is kept within a preset temperature range.

Further optionally, when the laundry treatment apparatus runs a drying program, the controller controls the fan and the heating device to start; the temperature sensor detects the temperature of the air in the air duct and transmits a detection result to the controller, and the controller judges whether the temperature T1 of the air in the air duct is within a preset temperature range.

Further optionally, when the temperature T1 of the air in the air duct exceeds a preset temperature range, the controller controls the heating device to stop operating through the temperature limiter.

The heating device is arranged in the air duct of the clothes treatment equipment and is provided with a support and a heating plate, the heating plate is provided with a through hole and a graphene thermoelectric film, air in the air duct enters a heating space defined by the heating plate through the through hole and completes heat exchange with the graphene thermoelectric film, and the air in the air duct is heated; when the detection result of the temperature sensor exceeds the preset temperature range, the temperature limiter controls the heating device to stop running so as to keep the temperature in the air duct within the preset temperature range; the invention has the advantages of simple structure, short required heating time, small occupied space, high automation degree, high-efficiency heat exchange with the air in the air duct and high user experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1a and fig. 1b are schematic structural diagrams of an embodiment of a heating device provided by the present invention;

FIG. 2 is a schematic view of an exploded structure of an embodiment of an air duct of a clothes treating apparatus according to the present invention;

in the figure:

1-a heating device; 11-a scaffold; 12-a heating plate; 121-a thermoelectric thin film; 122-a through hole; 123-a heating space; 13-temperature limiter; 14-a power supply circuit; 15-a card slot;

2-a temperature sensor;

3-an air duct; 31-air duct lower shell; 311-an air inlet; 32-a volute; 321-buckling; 33-a fan; 34-a worm casing cover; 35-an air duct upper shell; 36-air outlet channel; 361-air outlet.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The heating device is arranged in the air duct of the clothes treatment equipment and is provided with a support and a heating plate, the heating plate is provided with a through hole and a graphene thermoelectric film, air in the air duct enters a heating space defined by the heating plate through the through hole and completes heat exchange with the graphene thermoelectric film, and the air in the air duct is heated; when the detection result of the temperature sensor exceeds the preset temperature range, the temperature limiter controls the heating device to stop running so as to keep the temperature in the air duct within the preset temperature range; the invention has the advantages of simple structure, short required heating time, small occupied space, high automation degree, high-efficiency heat exchange with the air in the air duct and high user experience.

Examples

< heating Assembly >

As shown in fig. 1a and fig. 1b, in the air duct heating assembly provided in this embodiment, the air duct 3 has an air outlet 361 and a fan 33; the air duct heating assembly is arranged between the fan 33 and the air outlet 361 and comprises a heating device 1 and a detection module, wherein the heating device 1 is provided with a support 11 and a thermoelectric film 121 fixed on the support 11; specifically, the thermoelectric film 121 is made of graphene, and is used for heating air in the air duct 3; the detection module is provided with a temperature sensor 2, is arranged on the inner wall of the air duct 3 and is used for detecting the temperature of the air in the air duct 3 and controlling the start and stop of the heating device 1 to keep the temperature of the air in the air duct 3 within a preset temperature range.

Preferably, the support 11 has a main body and a heating plate 12 provided on the main body; along the flow direction of the air in the air duct 3, the thermoelectric film 121 is arranged on two sides of the heating plate 12; a plurality of heating plates 12 are arranged along the length direction of the main body, and a heating space 123 is formed between the adjacent heating plates 12; along the flow direction of the air in the air duct 3, the thermoelectric thin films 121 are disposed on both sides of the heating space 123, and the air in the air duct 3 completes heat exchange with the thermoelectric thin films 121 in the heating space 123, thereby achieving the purpose of heating the air in the air duct 3.

Preferably, the heating plate 12 is provided with a plurality of through holes 122, the through holes 122 on adjacent heating plates 12 are alternately arranged, that is, along the flow direction of the air in the air duct 3, the positions of the through holes 122 on the same position of adjacent heating plates 12 are different and staggered; when the air in the air duct 3 enters the heating space 123 through the through hole 122 on the previous heating plate 12, and then passes through the through hole 122 on the next heating plate 12, which is arranged in a staggered manner with the previous heating plate, the air is dispersed to the periphery, so that on one hand, the contact time between the air in the air duct 3 and the heating device 1 is prolonged, on the other hand, the contact area between the air in the air duct 3 and the thermoelectric film 121 is increased, and the heat exchange efficiency between the air in the air duct 3 and the thermoelectric film 121 is improved.

Preferably, the aperture size and/or the number of the through holes 122 are/is adjustable, by adjusting the aperture size and/or the number of the through holes 122, more air in the air duct 3 enters the heating space 123 through the through holes 122, the heating device 1 can heat more air, and the heat exchange efficiency between the air in the air duct 3 and the heating device 1 is improved.

Preferably, the heating device 1 further has a temperature limiter 13, which is disposed near the air outlet 361 of the air duct 3 and is used for controlling the start and stop of the heating device 1, so as to keep the temperature of the air in the air duct 3 within a preset range.

Preferably, the heating device 1 further has a power supply circuit electrically connected to an external power supply for supplying power to the heating device 1.

Preferably, the heating device 1 is detachably connected with the air duct 3; specifically, the bracket 11 is provided with a clamping groove 15, the wall surface of the air duct 3 is provided with a buckle 321, and the clamping groove 15 and the buckle 321 are matched to realize the connection between the heating device 1 and the air duct 3.

In addition, a first fixing hole can be formed in the support, a second fixing hole can be formed in the wall surface of the air duct correspondingly, and the first fixing hole is matched with the second fixing hole and can be connected with the air duct through screws.

It should be noted that the structure of the heating device is not limited, the heating plate can be a straight plate, a corrugated plate or an arc plate, and when the through holes on the heating plate are arranged in a staggered manner, the contact time between the air in the air duct and the heating plate is prolonged, so that the air in the air duct is heated rapidly; in addition, the number of the heating plates is not limited, and a plurality of layers of heating plates can be arranged according to needs, and the heating time required by air is shorter as the number of the heating plates is larger.

The heating device has higher heating effect than a conventional electric heater under the same voltage.

< clothes treating apparatus >

As shown in fig. 2, the present embodiment provides a clothes treating apparatus having a controller, an air duct 3, a roller and the air duct heating assembly as described in any one of the above, wherein the air duct 3 includes an air duct lower casing 31, a fan assembly, an air duct upper casing 35 and an air outlet duct 36; the lower casing 31 of the air duct is enclosed to form a condensation area, and the bottom of the condensation area is provided with an air inlet 311; the fan assembly is arranged at the top of the condensation area and comprises a fan 33, a volute 32 arranged on the lower side of the fan 33 and a volute cover 34 arranged on the upper side of the fan 33; a heating zone is defined by one side of the volute casing 32 close to the air outlet duct 36 and the air duct upper shell 35, and the air duct heating assembly is arranged in the heating zone; the air outlet channel 36 is connected with the volute 32, and the end part of the air outlet channel is provided with an air outlet 361; the heating component is detachably connected with the air duct 3 and is arranged between the fan 33 and the air outlet 361.

Specifically, under the action of the fan 33, air enters the condensation area from the air inlet 311, and water vapor therein is condensed and drips under the action of gravity and is discharged from the air inlet 311; the dehumidified air enters the heating zone, and is changed into high-temperature steam under the action of the heating assembly, and the high-temperature steam is discharged to the roller through the air outlet 361 to dry clothes to be dried.

Preferably, the controller is electrically connected to the temperature sensor 2 and the temperature limiter 13, respectively, and is configured to receive data transmitted by the temperature sensor 2, and control the start and stop of the heating device 1 through the temperature limiter 13, so as to maintain the temperature in the air duct 3 within a preset temperature range.

Specifically, when the laundry treating apparatus runs the drying program, the controller controls the fan 33 and the heating device 1 to be started; air enters the condensation area from the air inlet 311 under the action of the fan 33; the condensation of water vapor in the air is reduced; the dehumidified air enters the heating zone, enters the heating device 1 through the through hole 122 on the heating plate 12, exchanges heat with the thermoelectric film 121 in the heating space, and is discharged into the drum through the air outlet 361;

the temperature sensor detects the temperature in the air duct 3 and transmits the detection result to the controller, and the controller judges whether the temperature T1 in the air duct 3 is within a preset temperature range;

when the temperature T1 in the air duct 3 is lower than the preset temperature range, the heating device 1 keeps operating, and continuously heats the air in the air duct 3; when the temperature T1 in the air duct 3 exceeds the preset temperature range, the controller controls the heating device to stop operating through the temperature limiter 13, so that the temperature of the air in the air duct 3 is within the preset temperature range.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.