Disclosure of Invention
The invention aims to solve the technical problems of difficult maintenance of temperature in a drying cylinder, long drying time and high drying energy consumption by overcoming the defects of the prior art and providing a clothes drying device.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
a clothes drying device comprising a drying cylinder, a heating mechanism for providing heat to the interior of the drying cylinder, and an exhaust air duct for communicating the drying cylinder with the outside atmosphere to conduct out air flow in the interior of the drying cylinder, further comprising:
the heat preservation mechanism is mutually independent with the drying cylinder, and the heat preservation mechanism utilizes the heat of the steam flowing out of the drying cylinder to preserve heat of the drying cylinder.
Further, the heat preservation mechanism includes:
the accommodating cylinder is sleeved outside the drying cylinder, two ends of the accommodating cylinder are correspondingly sealed with two supporting pieces respectively supporting two ends of the drying cylinder, a heat preservation cavity is formed between the accommodating cylinder and the drying cylinder, the heat preservation cavity is connected with the drying cylinder and the external atmosphere, and steam flowing out of the interior of the drying cylinder flows into the heat preservation cavity to preserve heat of the drying cylinder and then flows to the external atmosphere.
Further, the heat preservation mechanism includes:
the heat preservation piece is provided with a heat preservation cavity, the heat preservation cavity is in contact with the outer wall of the drying cylinder, and the heat preservation cavity is connected with the drying cylinder and the external atmosphere, so that steam flowing out of the interior of the drying cylinder flows into the heat preservation cavity to preserve heat of the drying cylinder and then flows to the external atmosphere.
Further, the heat preservation chamber is the annular structure that encircles the setting of dry section of thick bamboo axis, and the import and the export in heat preservation chamber set up in the both sides in heat preservation chamber relatively.
Further, the heat preservation chamber is the strip structure and encircles the setting of dry section of thick bamboo axis, and the import and the export in heat preservation chamber are located the both ends in heat preservation chamber respectively.
Further, the heating mechanism comprises a clothes drying air duct, a heating structure and a fan, wherein the inlet and the outlet of the clothes drying air duct are respectively connected with the drying cylinder, the heating structure is used for providing heat for the inside of the clothes drying air duct, and the fan is used for enabling the clothes drying air duct and the drying cylinder to form a circulating air path; the inlet and the outlet of the heat preservation cavity are respectively connected with the clothes drying air duct.
Further, the junction of the inlet of the heat preservation cavity and the clothes drying air duct is arranged at the upstream of the heating structure, and the junction of the outlet of the heat preservation cavity and the clothes drying air duct is arranged at the upstream of the heating structure.
Further, the junction of the inlet of the heat preservation cavity and the clothes drying air duct is arranged at the downstream of the heating structure, and the junction of the outlet of the heat preservation cavity and the clothes drying air duct is arranged at the upstream of the heating structure.
Further, the heating structure is a heat exchanger, a second runner of the heat exchanger is communicated with the clothes drying air duct, a first runner is communicated with the exhaust air duct, and a vapor compressor positioned at the upstream of the first runner is arranged on the exhaust air duct; and the inlet and the outlet of the heat preservation cavity are respectively connected with an exhaust air duct at the downstream of the heat exchanger.
Further, the clothes drying device also comprises a gas-liquid separation device, wherein a gas-liquid inlet and a gas outlet of the gas-liquid separation device are respectively connected with the exhaust air duct at the downstream of the heat preservation cavity, and/or the gas-liquid inlet and the gas outlet of the gas-liquid separation device are respectively connected with the exhaust air duct at the upstream of the heat preservation cavity and the downstream of the heat exchanger.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
according to the invention, the heat preservation mechanism is arranged to preserve heat of the drying cylinder, so that the temperature inside the drying cylinder is kept higher all the time, the drying efficiency is improved, and the drying time is shortened; the heat preservation mechanism is used for preserving heat of the drying cylinder by utilizing heat of steam flowing out of the drying cylinder, so that full utilization of heat is realized, and energy consumption is reduced.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the embodiment of the present invention introduces a clothes drying apparatus including a drying drum 1, a heating mechanism for supplying heat to the inside of the drying drum 1, and an exhaust duct 5 for communicating the drying drum 1 with the outside atmosphere to guide out the air flow inside the drying drum 1, further including: the heat preservation mechanism is mutually independent with the drying cylinder 1, and the heat preservation mechanism utilizes the heat of the steam flowing out of the drying cylinder 1 to preserve heat of the drying cylinder 1.
According to the invention, the heat preservation mechanism is arranged to preserve heat of the drying cylinder 1, so that the internal temperature of the drying cylinder 1 is kept higher all the time, the drying efficiency is improved, and the drying time is shortened; the invention also uses the heat of the steam flowing out of the drying cylinder 1 to insulate the drying cylinder 1 by the heat insulation mechanism, thereby realizing the full utilization of the heat and reducing the energy consumption.
Wherein, the heat preservation mechanism and the drying cylinder 1 are mutually independent, namely, the heat preservation mechanism and the drying cylinder 1 do not exist in a module, and the drying cylinder 1 can be separated from the heat preservation mechanism to function.
The existing clothes dryer and washing and drying integrated machine belong to the clothes drying device, the drying cylinder 1 is used for accommodating clothes, when the clothes drying device is a single-cylinder clothes dryer, the drying cylinder 1 is a roller in the clothes dryer, and the roller can be: the front side of the drum is provided with an opening for discharging steam and putting clothes, the bottom of the drum is provided with a through hole for discharging steam, and the wall of the drum is arranged in a closed manner; the drum may have other structures, which are not described in detail. When the clothes drying device is a double-drum washing and drying integrated machine, in some embodiments, the drying drum 1 is an inner drum in the washing and drying integrated machine, and the inner drum can be: the front side of the inner cylinder is provided with an opening for putting clothes, the bottom and the wall of the inner cylinder are respectively provided with a through hole for vapor circulation, the inner cylinder can also be of other structures, the details are omitted, and the outer cylinder can be: the front side of the outer cylinder is provided with an opening for the inner cylinder to be sleeved in, the front plate of the bottom and/or the wall of the outer cylinder and/or the front side of the outer cylinder for closing the gap between the opening of the outer cylinder and the opening of the inner cylinder is provided with a through hole for discharging steam, and the outer cylinder can also be of other structures, which are not repeated; in some embodiments, the dryer cartridge 1 is an outer cartridge in a washing and drying all-in-one machine.
Example 1
As shown in fig. 1 to 4, in the present embodiment, the heat retaining mechanism includes: the accommodating cylinder is sleeved outside the drying cylinder 1, two ends of the accommodating cylinder are correspondingly sealed with two supporting pieces respectively supporting two ends of the drying cylinder 1, a heat preservation cavity 7 is formed between the accommodating cylinder and the drying cylinder 1, the heat preservation cavity 7 is connected with the drying cylinder 1 and the external atmosphere, and steam flowing out of the interior of the drying cylinder 1 flows into the heat preservation cavity 7 to preserve heat of the drying cylinder 1 and then flows to the external atmosphere.
According to the invention, the heat preservation cavity 7 is arranged, and vapor flowing out of the interior of the drying cylinder 1 flows into the heat preservation cavity 7 to preserve heat of the drying cylinder 1, so that the heat preservation effect of the drying cylinder 1 is improved by utilizing the fluidity of the vapor, the vapor with higher temperature is continuously input into the heat preservation cavity 7, and the vapor with lower temperature is output from the interior of the heat preservation cavity 7 after the heat preservation effect is fully exerted; meanwhile, the wall surface of the heat preservation cavity 7 is formed by the drying cylinder 1, so that heat loss is reduced, and the heat preservation effect on the drying cylinder 1 is further improved. Wherein, the heat preservation mechanism is suitable for the cylinder of which the drying cylinder is a clothes dryer.
Example two
As shown in fig. 1 to 4, this embodiment is different from the above embodiment in that the thermal insulation mechanism includes: the heat preservation piece is provided with a heat preservation cavity 7, the heat preservation cavity 7 is in contact with the outer wall of the drying cylinder 1, and the heat preservation cavity 7 is connected with the drying cylinder 1 and the external atmosphere, so that steam flowing out of the drying cylinder 1 flows into the heat preservation cavity 7 to preserve heat of the drying cylinder 1 and then flows into the external atmosphere.
According to the invention, the heat preservation cavity 7 is arranged, and vapor flowing out of the interior of the drying cylinder 1 flows into the heat preservation cavity 7 to preserve heat of the drying cylinder 1, so that the heat preservation effect of the drying cylinder 1 is improved by utilizing the fluidity of the vapor, the vapor with higher temperature is continuously input into the heat preservation cavity 7, and the vapor with lower temperature is output from the interior of the heat preservation cavity 7 after the heat preservation effect is fully exerted; meanwhile, the heat preservation cavity 7 is independently arranged, so that the heat preservation cavity 7 is independently processed and produced. The heat preservation mechanism is suitable for the case that the drying cylinder is a cylinder of a clothes dryer and the drying cylinder 1 is an inner cylinder and/or an outer cylinder in a washing and drying integrated machine.
In some embodiments, the insulating chamber 7 is in contact with the inner wall of the drying cylinder 1, and in some embodiments, the insulating chamber 7 is integrated with the drying cylinder 1.
Example III
As shown in fig. 1-4, the difference between this embodiment and the above embodiment is that the heat-preserving chamber 7 has a ring structure surrounding the axis of the drying cylinder 1, and the inlet and outlet of the heat-preserving chamber 7 are disposed at two opposite sides of the heat-preserving chamber 7.
According to the invention, the heat preservation cavity 7 is arranged in a ring shape surrounding the axis of the drying cylinder 1, so that the heat preservation effect on the drying cylinder 1 is improved, and meanwhile, the inlet and the outlet of the heat preservation cavity 7 are respectively arranged at two sides of the heat preservation cavity 7 which are oppositely arranged, so that the orderly flow of steam in the heat preservation cavity 7 is realized.
Preferably, the length of the insulating chamber 7 in the axial direction of the drying cylinder 1 is equal to the length of the drying cylinder 1 in the axial direction.
Example IV
As shown in fig. 2-4, the difference between this embodiment and the above embodiment is that the heat-preserving chamber 7 has a strip structure and is disposed around the axis of the drying drum 1, and the inlet and outlet of the heat-preserving chamber 7 are disposed at two ends of the heat-preserving chamber 7, respectively.
According to the invention, the heat preservation cavity 7 is arranged in a strip shape and surrounds the axis of the drying cylinder 1, so that the heat preservation effect on the drying cylinder 1 is improved, and meanwhile, the inlet and the outlet of the heat preservation cavity 7 are respectively arranged at two ends of the heat preservation cavity 7, so that the orderly flow of steam in the heat preservation cavity 7 is realized.
Preferably, the length of the insulating chamber 7 in the axial direction of the drying cylinder 1 is equal to the length of the drying cylinder 1 in the axial direction.
In some embodiments, the heat-preserving cavity 7 is a strip shape with two end surfaces butted to form a ring shape, and in some embodiments, the heat-preserving cavity 7 is a strip shape extending from one end to the other end in a spiral shape. In some embodiments, the wall of the accommodating cylinder is provided with a convex edge which protrudes radially inwards, extends along the axial direction of the accommodating cylinder and has the extension length equal to the axial length of the accommodating cylinder, and the end part of the convex edge is dynamically sealed with the wall of the drying cylinder 1.
Example five
As shown in fig. 2 to 4, the present embodiment is different from the above embodiment in that the heating mechanism includes a drying air duct 2 having an inlet and an outlet connected to the drying drum 1, respectively, a heating structure for supplying heat to the inside of the drying air duct 2, and a fan 3 for forming a circulation air path between the drying air duct 2 and the drying drum 1; the inlet and the outlet of the heat preservation cavity 7 are respectively connected with the clothes drying air duct 2.
According to the invention, the inlet and the outlet of the heat preservation cavity 7 are respectively connected with the clothes drying air duct 2, so that the inlet of the heat preservation cavity 7 is connected with the drying cylinder 1 through the clothes drying air duct 2, and the outlet of the heat preservation cavity 7 is connected with the external atmosphere through the clothes drying air duct 2, the drying cylinder 1 and the exhaust air duct 5.
The junction of the inlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the upstream of the heating structure, and the junction of the outlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the upstream of the heating structure. Or the junction of the inlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the upstream of the heating structure, and the junction of the outlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the downstream of the heating structure. Or the connection part of the inlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the downstream of the heating structure, and the connection part of the outlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the upstream of the heating structure. Or the connection part of the inlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the downstream of the heating structure, and the connection part of the outlet of the heat preservation cavity 7 and the clothes drying air duct 2 is arranged at the downstream of the heating structure.
In some embodiments, a second middle module 9 for storing steam is arranged on the fan 3 and the clothes drying air duct 2 upstream of the heating structure; in some embodiments, a third intermediate module 10 for storing steam is provided on the fan 3 and the drying tunnel 2 downstream of the heating structure.
Example six
As shown in fig. 1, the difference between the present embodiment and the above embodiment is that the heating structure is a heat exchanger 4, the second flow channel of the heat exchanger 4 is communicated with the clothes drying air channel 2, the first flow channel is communicated with the exhaust air channel 5, and the exhaust air channel 5 is provided with a vapor compressor 6 located at the upstream of the first flow channel; the inlet and outlet of the heat preservation cavity 7 are respectively connected with an exhaust air duct 5 at the downstream of the heat exchanger 4.
According to the invention, the inlet and the outlet of the heat preservation cavity 7 are respectively connected with the exhaust air duct 5 at the downstream of the heat exchanger 4, so that the inlet of the heat preservation cavity 7 is connected with the drying cylinder 1 through the exhaust air duct 5, and the outlet of the heat preservation cavity 7 is connected with the external atmosphere through the exhaust air duct 5.
Preferably, the outlet of the heat preservation cavity 7 is arranged at the bottom of the heat preservation cavity 7.
In some embodiments, a first intermediate module 8 for storing vapor is provided on the exhaust stack 5 upstream of the vapor compressor.
Example seven
The difference between this embodiment and the above embodiment is that the clothes drying device further includes a gas-liquid separation device, wherein a gas-liquid inlet and a gas-liquid outlet of the gas-liquid separation device are respectively connected to the exhaust air duct 5 downstream of the heat preservation chamber 7, and/or a gas-liquid inlet and a gas-liquid outlet of the gas-liquid separation device are respectively connected to the exhaust air duct 5 upstream of the heat preservation chamber 7 and downstream of the heat exchanger 4.
According to the invention, the gas-liquid inlet and the gas outlet are respectively connected with the exhaust air duct 5 at the downstream of the heat preservation cavity 7 and/or the gas-liquid inlet and the gas outlet are respectively connected with the exhaust air duct 5 at the upstream of the heat preservation cavity 7 and the downstream of the heat exchanger 4, so that the utilization rate of heat is improved, and the re-soaking of clothes is avoided.
Preferably, the clothes drying device further comprises a liquid collecting box, and the liquid outlet of the gas-liquid separation device is connected with the outside of the clothes drying device through the liquid collecting box.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.