CN114250609A

CN114250609A - Water-air mixed heat exchange assembly and clothes drying device

Info

Publication number: CN114250609A
Application number: CN202011001806.4A
Authority: CN
Inventors: 陈小平; 李宁宁; 朱博; 刘军; 徐剑
Original assignee: Yunmi Internet Technology Guangdong Co Ltd
Current assignee: Yunmi Internet Technology Guangdong Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2022-03-29

Abstract

The invention relates to a water-air mixed heat exchange assembly which comprises an air outlet module and a box body, wherein the air outlet module comprises a water path structure, an air path structure and a heat conducting plate; the heat conducting plate is uniformly provided with a plurality of through holes so as to communicate the water path structure with the air path structure; the edge of the heat conducting plate is provided with a baffle plate, an included angle is formed between the upper fin of the air path structure and the baffle plate, and the upper fin is inclined relative to the baffle plate; the box body is provided with a cooling medium inlet, a cooling medium outlet, an air inlet and an air outlet. The invention changes high-temperature wet gas into low-temperature wet air to be discharged, improves the drying efficiency and ensures the temperature and humidity of the outside air. According to the invention, a small amount of cooling water flows into the wind path structure through the through holes, so that the cooling efficiency of the air is improved. The upper fins in the water channel structure are inclined, the cooling medium impacts the upper fins when entering through the cooling medium inlet, so that the cooling medium flows into any angle on the heat conducting plate, and the length of a gas channel is increased and the heat exchange efficiency is improved due to the design of the arc-shaped lower fins.

Description

Water-air mixed heat exchange assembly and clothes drying device

Technical Field

The invention relates to the technical field of drying for clothes care, in particular to a water-air mixed heat exchange assembly and a clothes drying device.

Background

At present, the existing clothes drying device, such as a dryer and a washing and drying integrated machine, mainly adopts condensing type circulation drying, and the principle of the device is that air is heated by a heater and enters a drying cylinder, water on clothes is evaporated and forms damp and hot air with the air under the action of the hot air, then the damp and hot air enters a condenser, the damp and hot air is condensed into condensed water and dry gas under the action of a cooling medium in the condenser, and the dry gas enters the cylinder after passing through the heater for heating, so that the purpose of drying the clothes is achieved after circulation, but the air is recycled, the problems of large peculiar smell, high temperature, large water consumption for condensation and the like exist, and the circulation temperature is high, so that the clothes are damaged; therefore, the existing clothes drying device needs to be optimized and adopts a straight-line arrangement mode.

The direct discharging mode in the prior art introduces fresh air from the outside and directly discharges the fresh air out of the dryer after drying. On one hand, the direct-discharging drying method has large energy consumption, and is not beneficial to saving especially when the outside temperature is low; on the other hand, the gas after the stoving is mostly the gas of high temperature and high humidity, and the gas of high temperature and high humidity after will drying directly discharges to indoorly from the inner tube, can cause the humidity and the high temperature of room air, and the air of indoor too high humiture gets into the inner tube through new trend wind channel again, causes the unable long-term assurance of air quality, easily causes the damage and the pollution of clothing stoving. Therefore, the device in the existing direct discharging mode needs to be optimized to reduce peculiar smell or foreign matters, improve the control quality and achieve efficient drying.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a water-air mixed heat exchange assembly and a clothes drying device.

The technical scheme of the invention is summarized as follows:

the invention provides a water-gas mixed heat exchange assembly, which comprises:

the air outlet module comprises a water path structure, an air path structure and a heat conducting plate; the heat conducting plate is positioned between the water path structure and the air path structure, and is uniformly provided with a plurality of through holes so as to communicate the water path structure with the air path structure;

the edge of the heat-conducting plate is provided with a baffle plate, the air path structure comprises a plurality of upper fins which are parallel to each other, the upper fins are integrally formed or connected with the baffle plate and the heat-conducting plate, and an included angle is formed between the upper fins and the baffle plate so that the upper fins are inclined relative to the baffle plate;

the box body is used for accommodating the air outlet module, and is provided with a cooling medium inlet, a cooling medium outlet, an air inlet and an air outlet, wherein the cooling medium inlet is communicated with an external cooling medium, and the air inlet and the air outlet are communicated with the clothes drying cylinder;

cooling medium enters the waterway structure from the cooling medium inlet, enters the bottom of the box body from the through hole and flows out from the cooling medium outlet; the hot and humid air in the dry clothes cylinder enters the air path structure from the air inlet, is cooled and dehumidified by the heat conducting plate and then is discharged from the air outlet.

Further, the air path structure comprises a plurality of lower fins, at least two lower fins are arc-shaped lower fins, and an arc-shaped air channel is formed between every two adjacent arc-shaped lower fins.

Further, the inner arc of the lower fin faces the air inlet.

Further, the intervals between a plurality of lower fins are equal, the radians of a plurality of lower fins are all the same, and the radians are 10 degrees to 90 degrees.

Further, the lower fin comprises a root and an end part, the root is fixed on a heat conducting plate in the air outlet module, the end part abuts against the lower shell of the air outlet module, and the thickness of the root is larger than that of the end part.

Further, the baffle and the heat-conducting plate form a groove with an opening, and the waterway structure is positioned in the groove.

Further, the baffle includes first baffle, second baffle, third baffle and fourth baffle, first baffle, second baffle, third baffle and fourth baffle end to end, first baffle with the third baffle is parallel.

Furthermore, the inclined upper fins are of rectangular sheet structures, and one ends of the two adjacent upper fins are respectively integrally formed or fixedly connected with the first baffle and the third baffle so as to form a continuous water channel.

Furthermore, the included angle of the upper fin and the first baffle or the second baffle is an acute angle, the through hole is positioned between the adjacent upper fins, and the bottoms of the upper fins are integrally formed or connected with the heat conducting plate.

Further, the spacing between adjacent upper fins is equal.

Further, be equipped with the outlet on the heat-conducting plate, the heat-conducting plate is equipped with the outlet, the wind path structure still includes the baffle, the baffle is the heat-conducting plate extends along the direction that deviates from the wind path structure, and is located the border of outlet, so that the outlet with coolant outlet intercommunication on the box body.

Further, the box body comprises an upper shell and a lower shell, a cooling medium inlet is formed in the upper shell, an air inlet, an air outlet and a cooling medium outlet are formed in the lower shell, and a blocking piece is arranged at the air outlet to prevent cooling water from being discharged from the air outlet.

Further, the lower case includes a sidewall and a bottom;

the bottom comprises a first inclined surface, a second inclined surface and a third inclined surface; the first inclined surface and the third inclined surface are positioned on two sides of the second inclined surface; the upper ends of the first inclined plane and the third inclined plane are connected with the side wall, and the lower ends of the first inclined plane and the third inclined plane are connected with the second inclined plane; a transition inclined plane is also arranged between the side wall and the second inclined plane; the cooling medium outlet is positioned on the second inclined surface;

the air inlet and the air outlet are located on the side wall.

Correspondingly, the invention also provides a clothes drying device, which comprises: a case constituting a basic external structure of the device; the clothes drying drum is arranged in the box body and used for accommodating dried clothes; the drying cylinder is communicated with an air exhaust duct so as to discharge the damp and hot air in the drying cylinder out of the box body after being processed; the air exhaust duct is provided with the heat exchange assembly; and the hot and humid air in the clothes drying cylinder enters the heat exchange assembly to be changed into low-temperature and low-heat air to be discharged.

Further, the clothes drying device is a dryer or a washing and drying integrated machine.

Compared with the prior art, the invention has the beneficial effects that:

the water-gas mixed heat exchange assembly provided by the invention is arranged on an air exhaust duct of a drying device, so that the problem of foam overflow caused by excessive washing powder release can be solved; the cooling water in the water path structure cools the high-temperature and high-humidity gas in the air path structure, the high-temperature and high-humidity gas after clothes drying is changed into low-temperature and low-humidity air, the low-temperature and low-humidity air is discharged out of the clothes drying device, clothes drying efficiency can be improved, the temperature and humidity of the outside air are guaranteed, the air quality entering the clothes drying cylinder through the fresh air duct is guaranteed, peculiar smell is reduced, control quality is improved, and efficient drying is achieved.

According to the water-air mixed heat exchange assembly provided by the invention, the water path structure is communicated with the air path structure through the through hole, a small amount of cooling water directly flows into the air path structure through the through hole, and the cooling efficiency of air in the air path structure is improved.

The upper fins in the water channel structure are inclined so that the upper fins are inclined relative to the cooling medium inlet, and when a cooling medium enters the water channel structure through the cooling medium inlet, the cooling medium can impact the upper fins, so that the cooling medium flows into any angle on the heat-conducting plate, and the heat exchange efficiency between the cooling medium and the heat-conducting plate is improved.

The upper fin design of the water path structure increases the contact area of the cooling medium and the heat conducting plate, and improves the cooling efficiency. And the design of arc lower fin in the wind path structure has increased gaseous passageway length, has improved the cooling efficiency to the damp and hot air.

According to the water-gas separation heat exchange assembly, the cooling medium outlet is positioned at the bottom of the inclined lower shell, the bottom of the lower shell comprises the inclined planes, and the cooling medium is discharged in time, so that the circulation rate of the cooling medium is increased, and the dehumidification efficiency is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is a schematic view of an air outlet module in the heat exchange assembly of the present invention;

fig. 2 is another schematic view of an air outlet module in the heat exchange assembly of the present invention;

FIG. 3 is a top view of an air path structure of the heat exchange assembly of the present invention;

fig. 4 is another schematic view of an air outlet module in the heat exchange assembly of the present invention;

FIG. 5 is a top view of the waterway structure in the heat exchange assembly of the present invention;

FIG. 6 is a schematic view of a heat exchange assembly of the present invention;

FIG. 7 is a top view of the lower housing of the present invention;

FIG. 8 is a cross-sectional view A-A of FIG. 7;

fig. 9 is a schematic view of a laundry drying apparatus.

Description of reference numerals:

1. an air inlet duct; 2. an air exhaust duct; 3. a clothes drying cylinder; 4. a condenser; 5. a circulating air duct; 51. a heating assembly; 52. a fan volute;

10. a heat exchange assembly;

11. an upper housing; 111. a cooling medium inlet; 112. an installation part; 113. a fixed part;

12. an air outlet module; 121. a waterway structure; 1211. an upper fin; 122. an air path structure; 1221. a lower fin; 12211. a root portion; 12212. an end portion; 1222. a partition plate; 123. a heat conducting plate; 1231. a water outlet; 1232. a through hole; 1233. mounting holes; 124. a baffle plate; 1241. a first baffle plate; 12411. a notch; 1242. a second baffle; 1243. a third baffle plate; 1244. a fourth baffle;

13. a lower housing; 131. an air outlet; 132. an air inlet; 133. a cooling medium outlet; 134. a first inclined surface; 135. a second inclined surface; 136. a third inclined surface; 137. a transition bevel.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Example 1:

as shown in fig. 1-8, the present invention further provides a heat exchange assembly 10, located on the exhaust air duct of the clothes drying device, for cooling and dehumidifying the damp and hot water vapor in the exhaust air duct.

The heat exchange assembly 10 comprises an air outlet module 12 and a box body, and the box body comprises an upper shell 11 and a lower shell 13.

The air outlet module 12 includes a water path structure 121, a heat conducting plate 123 and an air path structure 122.

The heat conducting plate 123 is located between the water path structure 121 and the air path structure 122 of the air outlet module. Preferably, the water path structure 121, the heat conductive plate 123 and the air path structure 122 are integrally formed, or the water path structure 121 and the air path structure 122 are welded to the heat conductive plate 123. The heat conducting plate 123 is uniformly provided with a plurality of through holes 1232, the through holes 1232 communicate the water path structure 121 with the air path structure 122, so that the water path structure 121 communicates with the air path structure 122, and the cooling water in the water path structure 121 is mixed with the air to be cooled in the air path structure 122.

The heat conduction plate 123 is provided with a drain 1231, and preferably, the drain 1231 is located at the edge of the heat conduction plate 123. Air path structure 122 further includes a partition 1222, where partition 1222 is a heat conducting plate 123 extending in a direction away from air path structure, and is located at the edge of drain 1231, and semi-encloses drain 1231, so that drain 1231 is directly communicated with cooling medium outlet 133 on lower housing 13.

The size of the drain 1231 is larger than that of the through hole 1232. After the cooling water introduced into the outlet module 12 circulates in the water channel, a large amount of cooling water enters the cooling medium outlet 133 through the water outlet 1231 and is discharged, and a small amount of cooling water enters the air path structure 122 through the through hole 1232. The cooling water exchanges heat with the heat transfer plate 123 to cool the gas in the air passage structure 122.

The edge of the heat conducting plate 123 is provided with a baffle 124, and preferably, the heat conducting plate 123 is bent towards the water path structure 121 to form the baffle 124, that is, the baffle 124 and the heat conducting plate 123 form an open groove, and the water path structure 121 is located in the groove.

The baffle 124 includes a first baffle 1241, a second baffle 1242, a third baffle 1243 and a fourth baffle 1244, wherein the first baffle 1241, the second baffle 1242, the third baffle 1243 and the fourth baffle 1244 are connected end to end, and the first baffle 1241 is parallel to the third baffle 1243.

The heat conducting plate 123 is provided with a mounting hole 1233, and the air outlet module 12 is placed in the lower casing 13 and then mounted in the mounting hole 1233 by a screw or a bolt, so as to fixedly mount the heat conducting plate 123 and the lower casing 13.

The first baffle 1241 is provided with a semicircular notch 12411, and after the upper case 11 is mounted to the lower case 13, the notch 12411 is located at the cooling medium inlet 111. That is, after the upper case 11 is attached to the lower case 13, the cooling medium inlet 111 overlaps the notch 12411.

Waterway structure 121 includes: the upper fins 1211 are parallel to each other, and the upper fins 1211 have a rectangular plate-like structure and are not bent, and a water channel is formed between the adjacent upper fins 1211. The upper fins 1211 are parallel to each other, and the intervals between the adjacent upper fins 1211 are equal.

Preferably, the upper fin 1211 is located in a groove where the baffle 124 and the heat conductive plate 123 form an opening, i.e., the waterway structure 121 is located in the groove.

All the upper fins 1211 are parallel to each other, and two adjacent upper fins 1211 are fixedly connected to or integrally formed with the first baffle 1241 and the third baffle 1243, respectively, to form a continuous bent water channel.

Referring to fig. 4 and 5, the upper fin 1211 forms an acute angle with the first blocking plate 1241 or the third blocking plate 1243. It can be understood that the upper fins 1211 are inclined to the first and

third blocking plates

1241 and 1243.

Preferably, in this embodiment, referring to fig. 6, the included angle between the upper fin 1211 and the first baffle 1241 or the third baffle 1243 is an acute angle, that is, the upper fin 1211 is inclined to the first baffle 1241 or the third baffle 1243. Preferably, the upper fins 1211 are welded to the first baffle 1241 or the third baffle 1243, the first baffle 1241 or the third baffle 1243 being the connection end of the upper fins 1211, the upper fins 1211 being inclined to the connection end of the upper fins 1211.

When the upper shell 11 and the lower shell 13 are installed, the cooling medium inlet 111 is located between the inclined upper fin 1211 and the second baffle 1242, and when the cooling medium enters the water channel from the cooling medium inlet 111, because the upper fin 1211 forms an included angle with the first baffle 1241 and the third baffle 1243, so that the upper fin 1211 is inclined with respect to the first baffle 1241 and the third baffle 1243, the upper fin 1211 is inclined with respect to the cooling medium inlet 111, and the included angle between the axis of the cooling medium inlet 111 and the plane of the upper fin is an acute angle, when the cooling medium enters the water channel structure through the cooling medium inlet 111, the upper fin 1211 is impacted, so that the cooling medium flows into any angle on the heat conducting plate 123, thereby improving the heat exchange efficiency between the cooling medium and the heat conducting plate 123, and the water flow impacts the upper fin 1211 to make the cooling medium flow into the rest of the water channel to be more beneficial to the heat transfer of the cooling water, the efficiency of heat exchange is improved.

The upper fins 1211 are integrally formed or welded to the baffle plate 124 and the heat conducting plate 123, the upper fins 1211 are rectangular sheet-shaped, and one end of each of two adjacent upper fins 124 is integrally formed or fixedly connected to the first baffle plate 1241 and the third baffle plate 1243, respectively, so as to form a continuous water channel. The bottom end of the upper fin 124 is integrally formed or welded to the heat conductive plate 123 so that the entire heat conductive plate 123 is in contact with the cooling water.

The upper fins 1211 are arranged in parallel to each other and cross-connected to the first baffle 1241 and the third baffle 1243, which are opposite to each other, so that the area of the water passage can be increased, the contact area between the cooling medium and the heat conducting plate 123 can be increased, referring to fig. 5, all the parts of the heat conducting plate 123 are in contact with the cooling medium, and the design of the plate-shaped structure of the upper fins 1211 without bending reduces the manufacturing cost.

The air path structure 122 includes: the air duct comprises a plurality of lower fins 1221 and a partition 1222, wherein at least two lower fins 1221 are arc-shaped lower fins, and arc-shaped air ducts are formed between the adjacent arc-shaped lower fins.

Preferably, each of the lower fins 1221 is arc-shaped, and an air duct is formed between two adjacent lower fins 1221, and preferably, the air duct is also arc-shaped.

The lower fin is fixed to the heat conducting plate 123 of the outlet module 12, and the heat conducting plate 123 is provided with a drain 1231. Baffle 1222 is the heat-conducting plate and extends along the direction that deviates from the wind path structure, and is located the border of outlet, partly encloses outlet 1231.

Preferably, in the present embodiment, since the heat conductive plate 123 is substantially square, the size of each of the plurality of lower fins 1221 is different. Specifically, the lower fins 1221 are equally spaced, that is, the widths of the water channels formed by the lower fins 1221 are the same. The radians of the lower fins 1221 are all the same, so that the lower fins 1221 are parallel to each other, and the radians are 10 to 90 degrees.

Specifically, referring to fig. 2, the lower fin 1221 includes a root 12211 and an end 12212, the root 12211 is fixed to the heat conducting plate 123 in the air outlet module 12, and the end 12212 abuts against the lower housing 13 of the air outlet module 12. Preferably, the thickness of the root 12211 is greater than the thickness of the end 12212. The material is saved while the structural strength is ensured.

Preferably, the inner arc of the lower fin 1221 faces the air inlet 132 of the air outlet module 12, so that the air entering the air duct from the air inlet 132 hits the lower fin 1221 and then enters each air duct, the contact area of the air is increased, and the cooling speed of the hot and humid air is increased.

Preferably, in the present embodiment, referring to fig. 3, the number of the lower fins 1221 is 7, wherein the inner arc of the first lower fin faces the air inlet 132 of the air outlet module 12, and the air duct formed between the sixth lower fin and the seventh lower fin faces the air outlet 131.

The case includes an upper case 11 and a lower case 13. The upper housing 11 is provided with a cooling medium inlet 111, and the lower housing 13 is provided with an air inlet 132, an air outlet 131, and a cooling medium outlet 133. The air outlet 131 is provided with a semicircular blocking piece, so that the shape of the air outlet 131 is semicircular, and the blocking piece is positioned at the bottom of the air outlet 131 to prevent water from being discharged.

The heat conductive plate 123 is made of a heat conductive material, such as metal and alloy. The upper shell 11 and the lower shell 13 are made of plastic or metal.

The air inlet 132 is higher than the air outlet 131, and the air inlet 132 is larger than the air outlet 131, so as to avoid turbulence of the air flow. The cooling medium outlet 133 is far lower than the cooling medium inlet 111, and the condensed water is discharged at the same time, so as to prevent the moisture of the air outlet module 12 from increasing due to the excessive content of the condensed water in the air outlet module 12, which is not favorable for dehumidifying the damp and hot air.

Referring to fig. 7 and 8, the lower case 13 includes a side wall and a bottom, the bottom being an inclined bottom, and the cooling medium outlet 133 being located at the inclined bottom.

Preferably, the sloped bottom includes a first sloped surface 134, a second sloped surface 135, and a third sloped surface 136. The first inclined surface 134 and the third inclined surface 136 are positioned at both sides of the second inclined surface 135, and the upper ends of the first inclined surface 134 and the third inclined surface 136 are connected to the side wall and the lower ends are connected to the second inclined surface 135. It will be appreciated that the first inclined surface 134 and the third inclined surface 136 are transition surfaces between the second inclined surface 135 and the side wall. A transition bevel 137 is also provided between the sidewall and the second bevel 135.

The cooling medium outlet 133 is located at the second inclined surface 135. The condensed water finally drops to the bottom of the lower housing 13 due to the guiding effect of the gravity of the condensed water. Due to the design of the first inclined surface 134, the second inclined surface 135, the third inclined surface 136 and the transition inclined surface 137, the cooling medium outlet 133 is far lower than the cooling medium inlet 111, and the cooling medium is discharged at the same time, so that the excessive content of the condensed water in the air outlet module 12 is avoided, and the circulation rate of the cooling medium is increased, which results in the increase of the humidity of the air outlet module 12 and is not beneficial to the dehumidification of the damp and hot air.

And due to the structures and the position designs of the first inclined surface 134, the second inclined surface 135, the third inclined surface 136 and the transition inclined surface 137, the structure of the lower shell 13 is smoother, and the noise of the cooling medium in the heat exchange assembly 10 is reduced.

The air inlet 132 and the air outlet 131 are located on two adjacent side walls. The cambered surfaces of the lower fins 1221 face the air inlets 132, so that air entering the air channels from the air inlets 132 collides with the lower fins 1221 and then enters each air channel, the contact area of the air is increased, and the cooling speed of the damp and hot air is increased. Due to the arc-shaped design of the lower fins 1221, the air outlet 131 is located on the side wall adjacent to the air inlet 132.

Go up casing 11 and casing 13 down and be groove structure, go up casing 11 and casing 13 fixed mounting back down, form the accommodation space who holds air-out module 12. The upper housing 11 and the lower housing 13 may be snap-fitted. Preferably, the upper casing 11 may be screwed with the air outlet module 12 to achieve the fastened fixation.

Specifically, the upper casing 11 is further provided with a mounting portion 112 for mounting the whole heat exchange assembly 10 inside the clothes drying apparatus. The upper housing 11 is further provided with a fixing portion 113, and the fixing portion 113 is a threaded hole. Preferably, the baffle 124 is provided with a mounting groove corresponding to the fixing portion 113. The air outlet module 12 is fixedly mounted on the lower casing 13 by passing through the mounting hole 1233 through a bolt or a screw, the baffle 124 protrudes out of the lower casing 13, and then the upper casing 11 is fastened, and the upper casing 11 is screwed on the baffle 124 through the fixing portion 113.

After the upper housing 11 and the lower housing 13 are installed, the cooling medium inlet 111 is located between the baffle 124 and the upper fins 1211, the air inlet 132 is higher than the air outlet 131, and the cooling water enters the water channel structure 121 through the cooling medium inlet 111, flows into each water channel after being impacted by the upper fins 1211, cools the hot and humid air in the air channel structure 122 through the heat conduction effect of the heat conduction plate 123, a large amount of cooling water flows into the lower housing 13 through the water outlet 1231, and a small amount of cooling water flows into the lower housing 13 through the through holes 1232 and is discharged from the cooling medium outlet 133 at the bottom of the lower housing 13. Meanwhile, the hot and humid air exhausted from the clothes drying apparatus enters the air path structure 122 through the air inlet 132, flows into each air path after being impacted by the lower fins 1221, is cooled to be low-temperature air by the heat conducting plate 123, and is exhausted from the air outlet 131.

In short, the cooling medium enters the water path structure 121 from the cooling medium inlet, and the cooling medium takes away the heat of the heat conducting plate 123 and flows out from the cooling medium outlet 133 at the bottom of the lower housing 13. The heat conducting plate 123 realizes heat exchange between the cooling water in the water path structure 121 and the hot and humid air in the air path structure 122, and the hot and humid air in the dry drum enters the air path structure 122 from the air inlet 132, and is cooled and dehumidified by the heat conducting plate 123 to become low-temperature and low-heat air, which is discharged from the air outlet 131.

The water-gas mixed heat exchange assembly provided by the invention is arranged on an air exhaust duct of a drying device, so that the problem of foam overflow caused by excessive washing powder release can be solved; the cooling water in the water path structure 121 cools the high-temperature and high-humidity gas in the air path structure, the high-temperature and high-humidity gas after clothes drying is changed into low-temperature and low-humidity air, the low-temperature and low-humidity air is discharged out of the clothes drying device, clothes drying efficiency can be improved, the temperature and humidity of the outside air are guaranteed, the air quality entering the clothes drying cylinder through the fresh air duct is ensured, peculiar smell is reduced, control quality is improved, and efficient drying is achieved.

According to the water-air mixed heat exchange assembly provided by the invention, the water channel structure 121 is communicated with the air path structure 122 through the through hole 1232, a small amount of cooling water directly flows into the air path structure through the through hole 1232, and the cooling efficiency of air in the air path structure 122 is improved.

The upper fins 1211 of the water path structure 121 of the present invention are inclined such that the upper fins 1211 are inclined with respect to the cooling medium inlet, and when the cooling medium enters the water path structure 121 through the cooling medium inlet 111, the cooling medium impacts the upper fins 1211, and further the cooling medium flows into any angle of the heat transfer plate 123, thereby improving the heat exchange efficiency between the cooling medium and the heat transfer plate 123.

The design of the upper fin 1211 of the water path structure increases the contact area of the cooling medium and the heat conducting plate 123, and improves the cooling efficiency. And the design of the arc-shaped lower fin 1221 in the air path structure 122 increases the length of the air passage, and improves the cooling efficiency of the hot and humid air.

The cooling medium outlet 133 in the water-gas separation heat exchange assembly provided by the invention is positioned at the bottom of the inclined lower shell, the bottom of the lower shell 13 comprises a plurality of inclined surfaces, and the cooling medium is discharged in time, so that the circulation rate of the cooling medium is increased, and the dehumidification efficiency is improved.

Example 2:

the present invention also provides a clothes drying apparatus, referring to fig. 1-9, a cabinet, which constitutes a basic external structure of the apparatus; a drying drum 3 and an outer drum which are arranged in the box body, wherein the drying drum 3 is used for accommodating dried clothes; the dry clothes cylinder 3 is communicated with an air exhaust duct so as to discharge the damp and hot air in the dry clothes cylinder out of the box body after being processed; the heat exchange assembly 10 in the embodiment 1 is arranged on the air exhaust duct 2; wherein, the damp and hot air in the drying cylinder enters the heat exchange component 10 to be changed into low-temperature and low-heat air to be discharged.

The air outlet module 12, the upper casing 11 and the lower casing 13 form a heat exchange assembly 10, the upper casing 11 is provided with a cooling medium inlet 111, and the lower casing 13 is provided with an air inlet 132, an air outlet 131 and a cooling medium outlet 133. The air exhaust duct 2 is communicated with the air inlet 132, and the air outlet 131 is communicated with the outside. In this embodiment, the heat exchange assembly 10 is seen in embodiment 1, where it is not cumbersome.

Preferably, the clothes drying device comprises a fresh air system, and the fresh air system comprises an air inlet duct 1 and an air exhaust duct 2. The air inlet duct 1 is communicated with the drying cylinder 3 and is used for introducing air outside the device into the drying cylinder 3; the air exhaust duct 2 is communicated with the drying drum 3, the heat exchange assembly 10 is arranged on the air exhaust duct 2, and high-humidity and high-temperature air in the drying drum 3 is cooled by the heat exchange assembly 10 and then is exhausted out of the drum to the indoor.

Preferably, the clothes drying device further comprises a condenser 4, the condenser is communicated with the outer cylinder, the hot and humid air in the drying cylinder 3 enters between the inner cylinder and the outer cylinder through a hole on the drying cylinder 3 and enters the condenser 4 through a hole on the outer cylinder, the condenser 4 condenses the hot and humid air entering the condenser from the outer cylinder, and the other end of the condenser is communicated with the drying cylinder 3, so that the condensed air is heated by a heating assembly 51 in the circulating air duct 5 under the action of a fan volute 52 and then is supplied to the drying cylinder 3.

Preferably, the cooling medium outlet 133 on the heat exchange assembly 10 is communicated with the condenser 4, and the cooling water enters the condenser 4 through the water path structure of the air outlet module 12 and is reused by the condenser 4. The utilization rate of water is improved, and simultaneously, heat exchange assemblies 10 directly discharge moisture for drying efficiency increases, has shortened the time of drying.

The clothes drying device is a dryer or a washing and drying integrated machine.

According to the water-air mixed heat exchange assembly provided by the invention, the cooling water in the water path structure 121 cools the high-temperature high-humidity gas in the air path structure, the high-temperature high-humidity gas after clothes are dried is changed into low-temperature low-humidity air to be discharged out of the clothes drying device, the clothes drying efficiency can be improved, the temperature and humidity of outside air are ensured, the quality of the air entering the clothes drying cylinder through the fresh air duct is ensured, peculiar smell is reduced, the control quality is improved, and efficient drying is achieved.

In some embodiments, the laundry drying apparatus is a dryer or a washer dryer, and in the case of a washer dryer, the laundry drying apparatus has a washing structure and a washing function, and more preferably, a drum washer dryer.

While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims

1. A water-gas mixed heat exchange assembly, comprising:

2. The water-gas mixed heat exchange assembly of claim 1, wherein the air path structure comprises a plurality of lower fins, at least two of the lower fins are arc-shaped lower fins, and an arc-shaped air channel is formed between the adjacent arc-shaped lower fins.

3. The water gas mixed heat exchange assembly of claim 2 wherein said lower fin has an inner arc directed toward said air inlet.

4. The water and gas mixed heat exchange assembly of claim 2 wherein the spacing between the plurality of lower fins is equal, the plurality of lower fins have the same arc, and the arc is 10 to 90 degrees.

5. The water-gas mixed heat exchange assembly according to claim 2, wherein the lower fin comprises a root portion and an end portion, the root portion is fixed on the heat conducting plate in the air outlet module, the end portion abuts against the lower shell of the air outlet module, and the thickness of the root portion is greater than that of the end portion.

6. The water-gas mixed heat exchange assembly of claim 1 wherein the baffle forms a recess with an opening with the thermally conductive plate, the waterway structure being located within the recess.

7. The water-gas mixed heat exchange assembly of claim 6, wherein the baffle plates comprise a first baffle plate, a second baffle plate, a third baffle plate and a fourth baffle plate, the first baffle plate, the second baffle plate, the third baffle plate and the fourth baffle plate are connected end to end, and the first baffle plate and the third baffle plate are parallel.

8. The water-gas mixed heat exchange assembly of claim 7 wherein the inclined upper fins are rectangular plate-like structures, and one end of each of two adjacent upper fins is integrally formed with or fixedly connected to the first baffle plate and the third baffle plate, respectively, to form a continuous water channel.

9. The water-gas mixed heat exchange assembly of claim 7, wherein the included angle between the upper fin and the first baffle or the second baffle is an acute angle, the through hole is located between the adjacent upper fins, and the bottoms of the upper fins are integrally formed or connected to the heat conducting plate.

10. The water-gas mixed heat exchange assembly of claim 6 wherein the spacing between adjacent upper fins is equal.

11. The water-air mixed heat exchange assembly of claim 1, wherein the heat-conducting plate is provided with a water outlet, the air path structure further comprises a partition plate, and the partition plate extends along the direction away from the air path structure and is located at the edge of the water outlet so that the water outlet is communicated with the cooling medium outlet on the box body.

12. The water-gas mixed heat exchange assembly according to claim 1, wherein the box body comprises an upper shell and a lower shell, the upper shell is provided with a cooling medium inlet, the lower shell is provided with an air inlet, an air outlet and a cooling medium outlet, and the air outlet is provided with a baffle plate to prevent cooling water from being discharged from the air outlet.

13. The water-gas mixed heat exchange assembly of claim 12 wherein said lower housing includes side walls and a bottom;

the air inlet and the air outlet are located on the side wall.

14. A clothes drying device, comprising: a case constituting a basic external structure of the device; the clothes drying drum is arranged in the box body and used for accommodating dried clothes; the drying cylinder is communicated with an air exhaust duct so as to discharge the damp and hot air in the drying cylinder out of the box body after being processed; the exhaust air duct is provided with a heat exchange assembly as claimed in any one of claims 1 to 13; and the hot and humid air in the clothes drying cylinder enters the heat exchange assembly to be changed into low-temperature and low-heat air to be discharged.

15. The clothes drying apparatus of claim 14, wherein said clothes drying apparatus is a dryer or an all-in-one washer dryer.