CN221205338U - Moisture drying device and dish washer - Google Patents

Abstract

The utility model belongs to the technical field of kitchen appliances, and discloses a wet gas drying device and a dish washer. The wet gas drying device comprises a runner shell and a fan, wherein a runner is formed in the runner shell, a fluid inlet and a backflow port which are communicated with the runner are formed in the runner shell, and the fluid inlet and the backflow port are both used for being communicated with a cavity to be dried so as to form a circulation loop; the fan comprises a volute and an impeller, the volute is used for being covered on the inner wall of the cavity to be dried, the impeller is rotationally arranged at the reflux port and located in the volute, and a plurality of air outlets are formed in the volute. The air outlet is provided with a plurality of, can increase air-out position and air-out direction, is favorable to the air current after the drying to fully diffuse in the inner bag to improve the drying effect of inner bag. The impeller is arranged in a cavity formed by enclosing the volute and the inner wall of the cavity to be dried, driving force is provided for air outlet, air outlet resistance is small, and air outlet flow is large.

Description

Moisture drying device and dish washer

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a wet gas drying device and a dish washer.

Background

The temperature in the inner container is high after the dish washer works, and the humidity is high, and the dish washer needs to be dried and cooled in time so as to avoid residual water stains on tableware and avoid burn after a user opens a machine door.

The drying mode of the existing dish washer generally leads the wet air in the liner into the flow channel through the fan, the wet air is cooled in the flow channel, the water carried in the wet air is condensed to form condensed water so as to reduce the humidity of the air flow, the cooled air flow returns to the liner, and the purpose of drying the liner is achieved through the circulating flow of the air flow. But the air outlet direction of the runner is single, the diffusion effect of the air flow returned to the liner is poor, and the drying effect on the denser position (such as a chopstick box) of the tableware in the liner is poor.

Disclosure of utility model

The utility model aims to provide a wet gas drying device and a dish washing machine, which can solve the problems of poor air flow diffusion effect and poor drying effect.

To achieve the purpose, the utility model adopts the following technical scheme:

a moisture drying apparatus comprising:

The drying device comprises a runner shell, wherein a runner is formed in the runner shell, a fluid inlet and a backflow port which are communicated with the runner are formed in the runner shell, and the fluid inlet and the backflow port are both used for being communicated with a cavity to be dried so as to form a circulation loop;

The fan comprises a volute and an impeller, the volute is used for being covered on the inner wall of the cavity to be dried, the impeller is rotationally arranged at the reflux port and located in the volute, and a plurality of air outlets are formed in the volute.

As an alternative scheme of the moisture drying device, the fan further comprises a motor, the motor is arranged on the outer wall of the runner shell, and an output shaft of the motor stretches into the runner shell and penetrates through the backflow port to be connected with the impeller.

As an alternative of the moisture drying device, the outer wall of the runner shell is concavely formed with a mounting groove, and the motor is arranged in the mounting groove.

As an alternative to the moisture drying device, the moisture drying device further comprises a heating assembly, at least part of which is arranged in the volute.

As an alternative of the moisture drying device, the heating assembly comprises a heating pipe, the heating pipe is arranged between the volute and the inner wall of the cavity to be dried, and two ends of the heating pipe extend out of the cavity to be dried.

As an alternative scheme of the wet gas drying device, the wet gas drying device further comprises a buckle cover, the cavity to be dried is provided with mounting holes corresponding to the fluid inlet and the reflow opening, the buckle cover penetrates through the mounting holes and is detachably connected with the fluid inlet or the reflow opening, and the buckle cover and the runner shell are used for clamping the side wall of the cavity to be dried, which is provided with the mounting holes.

As an alternative to the wet gas drying device, the wet gas drying device further comprises a heat exchanger, at least part of which is arranged in the flow channel, the heat exchanger being used for cooling the air flow in the flow channel.

As an alternative of the moisture drying device, a water storage tank is arranged in the runner shell, and the water storage tank is arranged below the heat exchanger.

As an alternative of the moisture drying device, a water return tank is arranged in the runner shell, the top end of the water return tank is opened, and the fluid inlet is communicated with the water return tank.

The dishwasher comprises an inner container and the moisture drying device, wherein the fluid inlet and the backflow port are communicated with the inner container.

The utility model has the beneficial effects that:

In the moisture drying device provided by the utility model, the air outlets are arranged in a plurality of ways, so that the air outlet positions and the air outlet directions can be increased, the dried air flow can be fully diffused in the liner, and the drying effect of the liner is improved. The impeller is arranged in a cavity formed by enclosing the volute and the inner wall of the cavity to be dried, driving force is provided for air outlet, air outlet resistance is small, and air outlet flow is large.

The heating component is arranged in a cavity surrounded by the volute and the inner wall of the cavity to be dried, the impeller rotates at a high speed, air flow is thrown to the heating component, and after being heated by the heating component, the air flow is sprayed out from multiple directions through the air outlet of the volute, so that the inner liner is uniformly heated.

The dish washer provided by the utility model comprises the moisture drying device, and can improve the drying efficiency of the inner container.

Drawings

Fig. 1 is a schematic structural diagram of a moisture drying device according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram of a moisture drying device according to a first embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a moisture drying apparatus according to a first embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a moisture drying device according to an embodiment of the present utility model without a volute;

Fig. 5 is a schematic structural view of the moisture drying device according to the first embodiment of the present utility model when the second housing is not assembled.

In the figure:

100. An inner container; 10. a flow passage housing; 11. a first housing; 111. a fluid inlet; 112. a return port; 12. a second housing; 121. a mounting groove; 13. a water storage tank; 14. a tank body; 20. a blower; 21. a motor; 22. an impeller; 23. a volute; 231. an air outlet; 30. a heating assembly; 40. a buckle cover; 41. a side plate; 42. a cover plate; 50. a heat exchanger.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

The embodiment provides a moisture drying device for cooling and drying moist hot air in a cavity to be dried. The wet-air drying device can be used in a dish washer, and the embodiment is described by taking a cavity to be dried as an inner container of the dish washer as an example.

As shown in fig. 1 to 3, the moisture drying device includes a flow channel case 10, a flow channel is formed in the flow channel case 10, a fluid inlet 111 and a return port 112 are provided on the flow channel case 10, and the fluid inlet 111 and the return port 112 are both used for communicating with the liner 100, so that the flow channel communicates with the liner 100 to form a circulation loop. The wet air in the liner 100 enters the flow channel and is cooled, the moisture in the wet air is condensed into condensed water, so that gas-liquid separation is realized, the cooled and dried air flow returns to the liner 100, and the purpose of drying the liner 100 can be achieved by repeating the circulation.

The moisture drying device further comprises a fan 20, wherein the fan 20 is used for driving air flow in the liner 100 to enter the flow channel from the fluid inlet 111 and return to the liner 100 from the return port 112. In this embodiment, the fan 20 includes an impeller 22 and a volute 23, where the volute 23 is disposed in the liner 100 and covers the inner wall of the liner 100, so that a cavity is defined between the volute 23 and the inner wall of the liner 100. The impeller 22 is rotatably disposed at the return port 112 and is disposed in the cavity, and the volute 23 is provided with a plurality of air outlets 231. In this embodiment, the dry air flow cooled by the flow channel enters the cavity through the return port 112 and enters the liner 100 through the plurality of air outlets 231. The air outlets 231 are provided with a plurality of air outlet positions and air outlet directions, so that the dried air flow is fully diffused in the liner 100, and the drying effect of the liner 100 is improved. Impeller 22 is disposed in the cavity to provide driving force for the air-out, and has small air-out resistance and large air-out flow.

Further, the plurality of air outlets 231 are circumferentially spaced around the return opening 112, which is beneficial to improving the uniformity of the diffusion of the dry air flow in the liner 100.

As shown in fig. 3, the fan 20 further includes a motor 21, the motor 21 is disposed on the outer wall of the runner casing 10, and an output shaft of the motor 21 extends into the runner casing 10 and passes through the return port 112 to be in driving connection with the impeller 22 in the cavity so as to drive the impeller 22 to rotate. The motor 21 is arranged outside the runner and is positioned outside the liner 100, so that the motor 21 can be prevented from being in contact with moisture, and the failure rate of the motor 21 can be reduced.

The installation groove 121 is formed on the outer wall of the runner casing 10 in a concave manner, and the motor 21 is arranged in the installation groove 121, so that the size of the motor 21 protruding out of the runner casing 10 is reduced, and even the motor 21 does not protrude out of the runner casing 10, which is beneficial to reducing the size of the moisture drying device.

In order to improve the drying effect of the liner 100, the moisture drying device further includes a heating component 30, at least part of the heating component 30 is disposed in a cavity enclosed by the volute 23 and the liner 100. After entering the cavity through the backflow port 112, the dry air in the flow passage is heated by the heating component 30 and then enters the liner 100 through the air outlet 231. By mixing the high-temperature air with the air in the liner 100, the temperature of the air in the liner 100 can be increased, the drying speed of the liner 100 can be increased by using the high temperature, and the drying time of the liner 100 can be shortened.

As shown in fig. 3 and 4, the heating assembly 30 includes a heating pipe, the heating pipe is disposed in a cavity surrounded by the volute 23 and the liner 100, and two ends of the heating pipe extend out of the liner 100, so as to be connected with electrical elements such as a power supply conveniently, and the electrical elements are not contacted with the liner 100 and the air flow in the flow channel, which is beneficial to reducing the failure rate.

In order to improve the heating effect on the exhaust air flow, the heating pipe may extend along the arrangement direction of the plurality of air outlets 231, so that the air flow can contact with the heating pipe for heating before being exhausted through each air outlet 231. In this embodiment, the plurality of air outlets 231 are disposed around the circumference of the impeller 22, and correspondingly, the heating pipes are disposed around the circumference of the impeller 22. The heating pipe may be provided in a plurality of turns around the circumference of the impeller 22, or may be provided in only one turn or less than one turn, and may be specifically set as required.

In order to facilitate the fixation of the runner casing 10 and the liner 100, the moisture drying device further comprises a buckle cover 40, wherein the liner 100 is provided with mounting holes corresponding to the fluid inlet 111 and the backflow port 112, each mounting hole is provided with a buckle cover 40, the buckle cover 40 penetrates through the mounting hole and is detachably connected with the fluid inlet 111 or the backflow port 112, and the buckle cover 40 is matched with the runner casing 10 to clamp and fix the side wall of the liner 100, which is provided with the mounting hole, so as to fix the runner casing 10 to the liner 100.

As shown in fig. 4, the buckle cover 40 includes a cover plate 42 and a side plate 41 circumferentially disposed around the cover plate 42, wherein the cover plate 42 is a plate member having holes through which air flow can pass, and solid portions on the plate member can block impurities from entering the flow passage, so that impurities in the liner 100 can be prevented from entering the flow passage. The cover 42 may be comprised of a plurality of ribs disposed in a cross arrangement, or a screen plate positioned on the cover 42.

For the convenience of connecting the buckle cover 40 with the runner casing 10, the runner casing 10 is provided with mounting flanges around the backflow port 112 and the fluid inlet 111, and the mounting flanges may be protruded towards the outer side of the runner casing 10 or protruded towards the inner side of the runner casing 10. The side plate 41 passes through the mounting hole to be in threaded connection with the mounting flange, or the mounting flange passes through the mounting hole to be in threaded connection with the side plate 41, and the cover plate 42 abuts against the side wall of the liner 100 to clamp and fix the side wall of the liner 100 in cooperation with the runner housing 10.

In this embodiment, the mounting flange at the fluid inlet 111 is protruded toward the inner side of the flow channel shell 10 and is provided with an internal thread, the side plate 41 of the buckle cover 40 at the fluid inlet 111 is provided with an external thread, and the side plate 41 at the fluid inlet 111 passes through the mounting hole and is in threaded engagement with the corresponding mounting flange. The arrangement ensures that the inner wall of the liner 100 at the fluid inlet 111 has no protruding structure or small protruding height, and avoids the accumulation of impurities at the protruding position; the mounting flange at the return port 112 is provided with male threads protruding toward the outside of the runner housing 10, and the side plate 41 at the return port 112 is provided with female threads and is fitted to the outside of the corresponding mounting flange. This arrangement allows the snap cap 40 at the return port 112 to be installed with full use of the cavity interior space, providing sufficient space for the recessed structure of the runner housing 10 for the installation motor 21.

In order to enhance the cooling effect on the air flow in the flow channel, as shown in fig. 5, the moisture drying device is further provided with a heat exchanger 50, at least part of the heat exchanger 50 is arranged in the flow channel, and the heat exchanger 50 is used for cooling the air flow in the flow channel.

In this embodiment, the heat exchanger 50 is a heat exchange tube, in which a heat exchange medium is disposed, and the heat exchange medium exchanges heat with the air flow in the flow channel to absorb heat of the air flow, reduce the temperature of the air flow, and condense water in the air flow, so as to realize drying of the air flow.

In order to reduce the cost, the heat exchange medium can be kitchen water. The two ends of the heat exchange tube extend out of the runner shell 10 and are used for kitchen water source connection, kitchen water is introduced from one end of the heat exchange tube, and the other end of the heat exchange tube is discharged, so that heat exchange medium flows, and the heat exchange effect is improved.

The water discharged from the heat exchange pipe may be stored in a water tank for washing or rinsing of the dishwasher.

Optionally, the heat exchange tube can be bent and extended in the flow channel, so that the contact area between the air flow and the heat exchange tube is increased, and the heat exchange effect is improved.

In other embodiments, the heat exchanger 50 may take other configurations, such as a plate heat exchanger or a semiconductor refrigerator, so long as the air flow is cooled.

As shown in fig. 5, a water storage tank 13 is further disposed in the runner housing 10, and the water storage tank 13 is disposed below the heat exchanger 50 for receiving condensed water. In this embodiment, the flow passage extends from top to bottom, the fluid inlet 111 is disposed at the top end of the flow passage, the return port 112 is disposed at the bottom end of the flow passage, and the water storage tank 13 is disposed below the heat exchanger 50, so as to improve the collection effect of condensed water.

Alternatively, the runner housing 10 may be provided with a drain port communicating with the water storage tank 13 to drain the collected condensed water, keeping the runner dry. In some embodiments, the condensed water may drain into the liner 100 through the drain port, and drain through the liner 100.

In this embodiment, the runner housing 10 further includes a housing, the housing includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 are connected along a thickness direction of the runner housing 10, the fluid inlet 111 and the return port 112 are both disposed on the first housing 11, and the first housing 11 cooperates with the buckle cover 40 to clamp a sidewall of the liner 100, which is provided with a mounting hole.

As shown in fig. 5, a groove 14 is disposed at the fluid inlet 111 in the flow channel, the groove 14 and the housing enclose a water return groove, the top end of the water return groove is opened, and the fluid inlet 111 is disposed in the water return groove. By providing a water return channel, the dishwasher can be prevented from entering the flow channel housing 10 through the fluid inlet 111 in the washing water container 100.

Example two

The embodiment provides a dish washer, including the casing, set up in the inner bag of casing, set up the supporter in the inner bag, set up in the spray set spare in the casing and the moisture drying device in above-mentioned embodiment. The spraying component is used for spraying washing water to tableware and the like on the rack arranged in the liner so as to clean the tableware. The fluid inlet 111 and the return 112 in the moisture drying device are both in communication with the liner to dry the liner.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A moisture drying apparatus, comprising:

A flow passage shell (10), wherein a flow passage is formed in the flow passage shell (10), a fluid inlet (111) and a backflow port (112) which are communicated with the flow passage are arranged on the flow passage shell (10), and the fluid inlet (111) and the backflow port (112) are both used for being communicated with a cavity to be dried so as to form a circulation loop;

The fan (20), fan (20) include spiral case (23) and impeller (22), spiral case (23) are used for the cover to locate wait to dry the inner wall of cavity, impeller (22) rotate set up in return port (112) department and be located in spiral case (23), be provided with a plurality of air outlets (231) on spiral case (23).

2. The wet gas drying device according to claim 1, wherein the fan (20) further comprises a motor (21), the motor (21) is arranged on the outer wall of the runner casing (10), and an output shaft of the motor (21) extends into the runner casing (10) and passes through the backflow port (112) to be connected with the impeller (22).

3. The wet air drying apparatus according to claim 2, wherein the outer wall of the runner housing (10) is concavely formed with a mounting groove (121), and the motor (21) is disposed in the mounting groove (121).

4. A moisture drying apparatus according to any one of claims 1-3, characterized in that the moisture drying apparatus further comprises a heating assembly (30), at least part of the heating assembly (30) being arranged within the volute (23).

5. The wet gas drying apparatus according to claim 4, wherein the heating assembly (30) comprises a heating pipe, the heating pipe being arranged between the scroll casing (23) and an inner wall of the cavity to be dried, both ends of the heating pipe extending out of the cavity to be dried.

6. A moisture drying apparatus according to any one of claims 1-3, further comprising a cover (40), the cavity to be dried being provided with mounting holes for the fluid inlet (111) and the return opening (112), the cover (40) passing through the mounting holes and being detachably connected to the fluid inlet (111) or the return opening (112), the cover (40) and the runner casing (10) being adapted to clamp the side wall of the cavity to be dried provided with the mounting holes.

7. A wet gas drying apparatus according to any one of claims 1-3, characterized in that the wet gas drying apparatus further comprises a heat exchanger (50), at least part of the heat exchanger (50) being arranged in the flow channel, the heat exchanger (50) being arranged to cool the gas flow in the flow channel.

8. The wet gas drying apparatus according to claim 7, wherein a water storage tank (13) is provided in the runner housing (10), and the water storage tank (13) is disposed below the heat exchanger (50).

9. A wet gas drying apparatus according to any one of claims 1-3, characterized in that a water return tank is provided in the flow channel housing (10), the top end of the water return tank being open, the fluid inlet (111) being in communication with the water return tank.

10. A dishwasher comprising a liner, characterized in that it further comprises a moisture drying device according to any one of claims 1-9, both the fluid inlet (111) and the return (112) being in communication with the liner.