CN219160500U

CN219160500U - Circulation fan

Info

Publication number: CN219160500U
Application number: CN202223356653.2U
Authority: CN
Inventors: 庞亚鹏; 赖伴来; 黄鹏; 周志祥
Original assignee: Shenzhen Lianchuang Electrical Appliance Industry Co ltd
Current assignee: Shenzhen Lianchuang Electrical Appliance Industry Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-09
Anticipated expiration: 2032-12-12

Abstract

The application provides a circulation fan, which comprises a housing, fan subassembly and dehumidification subassembly, be provided with the wind channel in the casing, fan subassembly installs in the wind channel, dehumidification subassembly installs in the wind channel, be located fan subassembly one side, dehumidification subassembly includes the condensate, thermal insulation pad, refrigeration device and radiator, thermal insulation pad sets up around the refrigeration device, thermal insulation pad is located between condensate and the radiator, the refrigeration device includes cold junction and hot junction, the hot junction is thermally connected the radiator, the cold junction is thermally connected the condensate, the radiator is located and is close to fan subassembly one side. The circulation fan of this application embodiment, the wind channel is shorter, compact structure, and is small, sets up the heat insulating pad between condensation piece and radiating member, can reduce the radiating member and give off heat to the condensation piece, improves the condensation effect of condensation piece, and then improves dehumidification effect.

Description

Circulation fan

Technical Field

The present application relates to the field of air conditioning apparatus, and more particularly, to a circulation fan.

Background

The conventional circulating fan generally adopts ox horn axial flow fan blades, and is matched with an air duct and a high-speed motor, so that air can flow rapidly during working. Because the air supply distance is long, the air supply device is widely used for circulating air in a household room, so that the temperature and humidity of the indoor air are more uniform, and the air supply device is deeply favored by consumers. The circulating fan can be added with a dehumidification function so as to absorb moisture in air during operation and enable the air to be dried. In the circulation fan with the dehumidification function, a heat insulating piece is used for separating a condensation piece and a radiating piece of the dehumidification assembly, a refrigerating device of the dehumidification assembly is arranged on the heat insulating piece, the heat insulating piece separates an air channel, air firstly enters the condensation piece of the dehumidification assembly, passes through a fan assembly and is blown to the radiating piece of the dehumidification assembly, and then is blown out along an air outlet, the air channel is bent, the air channel is longer, the whole equipment is large in volume, and the space occupation is large. In another circulation fan with dehumidification function, a refrigerating device of the dehumidification assembly is directly connected between a condensing sheet and a radiating sheet, a heat insulating piece is not arranged between the condensing sheet and the radiating sheet, and heat on the radiating sheet is easily transferred to the condensing sheet, so that the dehumidification effect is affected.

Disclosure of Invention

An object of the embodiment of the application is to provide a circulating fan, so as to solve the problem that the length of a circulating fan with a dehumidifying function and the dehumidifying effect in the circulating fan in the prior art cannot be considered.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided a circulation fan including:

the air duct is arranged in the shell;

the fan assembly is arranged in the air duct;

the dehumidifying component is arranged in the air duct and positioned at one side of the fan component, the dehumidifying component comprises a condensing part, a heat insulation pad, a refrigerating device and a radiating part, the heat insulation pad surrounds the refrigerating device, the heat insulation pad is positioned between the condensing part and the radiating part, the refrigerating device comprises a cold end and a hot end, the hot end is in heat conduction connection with the radiating part, and the cold end is in heat conduction connection with the condensing part.

In one embodiment, the dehumidifying assembly further comprises a first heat conducting member, wherein one side of the first heat conducting member is attached to the cold end of the refrigerating device, and the other side of the first heat conducting member is attached to the condensing member;

and/or, the dehumidification assembly further comprises a second heat conduction piece, one side of the second heat conduction piece is attached to the hot end of the refrigeration device, and the other end of the second heat conduction piece is attached to the heat dissipation piece.

In one embodiment, the heat dissipation element comprises a heat dissipation block and a plurality of heat dissipation fins arranged on the heat dissipation block, and the heat dissipation block is in heat conduction connection with the hot end of the refrigeration device;

the condensing piece comprises a cold clot and a plurality of condensing sheets arranged on the cold clot, and the condensing piece is connected with the cold end of the refrigerating device in a heat conduction way.

In one embodiment, the heat dissipation block is circular, and each heat dissipation fin is uniformly distributed on the periphery of the cold clot;

the condensing blocks are round, and the condensing sheets are uniformly distributed on the periphery of the cold clot.

In one embodiment, the dehumidification assembly further includes a thermal isolation ring, the isolation Wen Juantao being disposed over the heat sink and the condensate.

In one embodiment, the dehumidification assembly is disposed on an air intake side of the fan assembly.

In one embodiment, the condensing member is located on a side of the heat sink remote from the fan assembly.

In one embodiment, a water outlet communicated with the air duct is arranged on the shell, and the water outlet is used for discharging condensed water.

In one embodiment, the circulating fan further comprises a first air grid and a second air grid which are arranged at two ends in the air duct, wherein the first air grid is arranged at one side, far away from the fan assembly, of the dehumidifying assembly, and the second air grid is arranged at one side, far away from the dehumidifying assembly, of the fan assembly.

In one embodiment, the housing includes:

the fan cover is arranged in the air duct, and the water outlet is arranged on the fan cover;

one end of the connecting pipe is connected with the fan cover;

and the base is connected with the other end of the connecting pipe and is used for supporting the fan cover in cooperation with the connecting pipe.

In one embodiment, the circulating fan further comprises a sealing ring, the sealing ring is sleeved on the first air grid, the sealing ring is abutted to the inner wall surface of the air duct, annular protrusions are arranged in the air duct, the fan assembly and the dehumidifying assembly are respectively located on two opposite sides of the annular protrusions, and the water outlet is located between the annular protrusions and the sealing ring.

In one embodiment, a water receiving tank is arranged in the base, one end of the connecting pipe is connected to the water outlet, and the connecting pipe is communicated with the air duct and the water receiving tank.

In one embodiment, the axis of the air duct is inclined to the bottom surface of the base, the sealing ring is located at one end of the air duct, which is close to the bottom surface of the base, and the water outlet is located at a position close to the sealing ring.

The beneficial effect of circulation fan that this application embodiment provided lies in: compared with the prior art, the circulating fan of this application embodiment, fan subassembly and dehumidification subassembly set up side by side, fan subassembly and dehumidification subassembly are located the both ends in wind channel respectively, the air circulates in the wind channel, earlier through dehumidification subassembly's condensation piece, refrigeration device's cold junction contact condensation piece, the condensation piece condenses the moisture in the air, flow along the wind channel, the air passes the heat dissipation piece again, blow out the air by fan subassembly at last, the wind channel is shorter, and compact structure, and the volume is less, and set up the heat insulating pad between condensation piece and heat dissipation piece, can reduce the heat dissipation piece and give off heat transfer to the condensation piece, improve the condensation effect of condensation piece, and then improve the dehumidification effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a circulation fan according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an exploded structure of a circulation fan according to an embodiment of the present disclosure;

fig. 3 is an exploded view of a dehumidifying assembly of a circulation fan according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of a circulation fan provided in an embodiment of the present application;

FIG. 5 is an enlarged view of a portion of FIG. 4A;

fig. 6 is a schematic structural diagram of a casing of a circulation fan according to an embodiment of the present application.

Wherein, each reference sign in the figure:

1. a housing;

11. a fan cover; 111. an air duct; 112. a water outlet; 113. an annular protrusion; 12. a connecting pipe; 121. a notch; 13. a base; 131. a water receiving tank; 132. a water tank cover; 14. a first air grid; 15. a second air grid; 16. a seal ring;

2. a fan assembly;

3. a dehumidifying component;

31. a condensing member; 311. cold coagulum; 312. condensing sheets; 32. a thermal insulation pad; 321. a through hole; 33. a refrigerating device; 331. a hot end; 34. a heat sink; 341. a heat dissipation block; 342. a heat sink; 35. a first heat conductive member; 36. and a heat insulation ring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Reference in the specification to "one embodiment," "some embodiments," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1, fig. 2 and fig. 3, a circulation fan according to an embodiment of the present application will be described. The circulating fan comprises a machine shell 1, a fan assembly 2 and a dehumidifying assembly 3, wherein an air duct 111 is arranged in the machine shell 1. The fan assembly 2 is arranged in the air duct 111, the fan assembly 2 comprises fan blades and a motor, the motor is arranged in the air duct 111, the fan blades are arranged at the output end of the motor, and the motor drives the fan blades to rotate. The dehumidifying assembly 3 is installed in the air duct 111, the dehumidifying assembly 3 is located at one side of the fan assembly 2, and the dehumidifying assembly 3 includes a condensing member 31, a heat insulation pad 32, a refrigerating device 33 and a heat radiating member 34. The thermal insulation pad 32 is disposed around the cooling device 33, the thermal insulation pad 32 is provided with a through hole 321, the thermal insulation pad 32 is located between the condensing member 31 and the heat dissipation member 34, and the cooling device 33 is installed in the through hole 321. The refrigerating device 33 comprises a cold end and a hot end 331, the hot end 331 is thermally connected with the heat sink 34, and the cold end is thermally connected with the condensing element 31. The hot end 331 of the refrigerating device 33 is attached to the surface of the heat dissipation element 34, the cold end of the refrigerating device 33 is attached to the surface of the condensation element 31, and the heat dissipation element 34 is connected with the condensation element 31 through screws.

The refrigerating device 33 comprises a semiconductor refrigerating sheet, which is also called a thermoelectric refrigerating sheet, and can absorb heat and release heat at two ends of a couple respectively by utilizing the peltier effect of semiconductor materials when direct current passes through the couple formed by connecting two different semiconductor materials in series, so that the purpose of refrigeration can be realized. The refrigerating technology for producing negative thermal resistance features no moving parts and high reliability. Compared with the traditional compressor for refrigeration, the compressor has the advantages of small volume, light weight and low noise.

The circulation fan of this embodiment, fan subassembly 2 and dehumidification subassembly 3 set up side by side, fan subassembly 2 and dehumidification subassembly 3 are located the both ends in wind channel 111 respectively, the air circulates in wind channel 111, earlier through the condensate piece 31 of dehumidification subassembly 3, the cold junction contact condensate piece 31 of refrigeration device 33, the condensate piece 31 condenses the moisture in the air, flow along wind channel 111, the air passes radiator 34 again, blow out the air by fan subassembly 2 at last, wind channel 111 is shorter, compact structure, the volume is less, and set up thermal insulation pad 32 between condensate piece 31 and radiator 34, can reduce radiator 34 and give off heat transfer to condensate piece 31, improve the condensation effect of condensate piece 31, and then improve the dehumidification effect.

In one embodiment, referring to fig. 2 and 3, the dehumidifying assembly 3 further includes a first heat-conducting member 35, wherein one side of the first heat-conducting member 35 is attached to the cold end of the refrigerating device 33, and the other side is attached to the condensing member 31. Through setting up cold junction and the condensate piece 31 of first conducting strip heat conduction connection refrigeration device 33, can increase the distance of condensate piece 31 and radiator 34, reduce radiator 34 and give off heat transfer to condensate piece 31, guarantee that the condensation effect of condensate piece 31 is better, and guarantee dehumidification effect is better.

The dehumidifying component 3 may further include a second heat conducting member, one side of which is attached to the hot end 331 of the refrigerating device 33, and the other side of which is attached to the heat dissipating member 34. Through setting up the hot end 331 and the radiator 34 of second heat conduction spare heat conduction connection refrigeration device 33, can increase the distance of condenser 31 and radiator 34, reduce the radiator 34 and give off heat transfer to condenser 31, guarantee that the condensation effect of condenser 31 is better, and guarantee dehumidification effect is better.

The first heat conductive member 35 and the second heat conductive member may be provided separately or simultaneously, so that the condensation effect of the condensation member 31 is improved, and the dehumidification effect is further improved.

The first and second heat

conductive members

35 and 35 may be metal materials having good heat conductivity, such as copper and aluminum.

The first heat conducting piece 35 can be installed in the through hole 321, the second heat conducting piece can be installed in the through hole 321, the heat insulating pad 32 can be thicker, the heat insulating effect of the heat insulating pad 32 is improved, the heat dissipation of the heat dissipation piece 34 is reduced, the heat dissipation is transferred to the condensation piece 31, the condensation effect of the condensation piece 31 is guaranteed to be good, and the dehumidification effect is guaranteed to be good.

In one embodiment, referring to fig. 2 and 3, the heat sink 34 includes a heat sink 341 and a plurality of heat sinks 342, and the plurality of heat sinks 342 are disposed on the heat sink 341. The heat sink 341 is thermally connected to the hot end 331 of the refrigeration device 33. The plurality of radiating fins 342 are arranged and connected on the radiating block 341, so that the radiating area of the radiating piece 34 can be increased, and the radiating effect of the radiating piece 34 can be improved.

The condensing member 31 includes a cold clot 311 and a plurality of condensing sheets 312, the plurality of condensing sheets 312 being disposed on the cold clot 311. The cold mass 311 is thermally coupled to the cold side of the refrigeration device 33. The plurality of condensing sheets 312 are connected to the condensing block 311, so that the contact area between the condensing element 31 and the air can be increased, and the condensing effect of the condensing element 31 can be improved.

In one embodiment, the heat sink 341 is circular, and the heat sinks 342 are uniformly distributed on the peripheral side of the heat sink 341. The plurality of radiating fins 342 are arranged and connected on the periphery of the radiating block 341, so that the radiating area of the radiating piece 34 can be increased, the radiating effect of the radiating piece 34 is improved, and the gaps among the radiating fins 342 are convenient for air circulation.

The cold clot 311 is circular, and the condensing sheets 312 are uniformly distributed on the circumference of the condensing clot 311. The plurality of condensing sheets 312 are connected to the periphery of the condensing block 311, so that the contact area between the condensing member 31 and air can be increased, the condensing effect of the condensing member 31 can be improved, and the gaps between the condensing sheets 312 are convenient for air circulation.

In one embodiment, referring to fig. 2 and 3, the dehumidifying assembly 3 further includes a heat insulation ring 36, and the heat insulation ring 36 is sleeved on the heat dissipation element 34 and the condensation element 31. The heat-insulating ring 36 encapsulates the heat-dissipating member 34, the refrigerating device 33 and the condensing member 31, and then is installed in the air duct 111, so that the heat-dissipating member 34 and the condensing member 31 are prevented from directly contacting the casing 1, the heat-dissipating efficiency of the heat-dissipating member 34 and the condensing efficiency of the condensing member 31 are prevented from being influenced by the casing 1, and the casing 1 can be prevented from being damaged by the high temperature of the heat-dissipating member 34.

In one embodiment, the dehumidifying component 3 is arranged on the air inlet side of the fan component 2, and the air inlet side of the fan component 2 has low air speed, so that moisture in the air is easier to condense.

In one embodiment, the condensing member 31 is located on a side of the heat sink 34 remote from the fan assembly 2. The inlet air temperature is low, so that condensation and heat dissipation are facilitated.

In one embodiment, referring to fig. 2, 4, 5 and 6, a water outlet 112 is provided on the casing 1, the water outlet 112 is communicated with the air duct 111, and the water outlet 112 is used for discharging condensed water. A water outlet 112 is arranged on the shell 1, so that condensed water can be conveniently and timely discharged.

In one embodiment, referring to fig. 2, 4, 5 and 6, the circulation fan further includes a first air grill 14 and a second air grill 15, and the first air grill 14 and the second air grill 15 are installed at both ends inside the air duct 111. The first air grid 14 is arranged on one side of the dehumidification assembly 3 away from the fan assembly 2, and the second air grid 15 is arranged on one side of the fan assembly 2 away from the dehumidification assembly 3. The first air grid 14 may be located at an air inlet end of the air duct 111, and the first air grid 14 may block large dust and garbage from being sucked into the dehumidifying assembly 3. The second air grid 15 can prevent large objects from falling into the fan assembly 2, and the second air grid 15 can protect a human body from being injured when the human body stretches into the fan assembly 2.

In one embodiment, referring to fig. 2, 4, 5 and 6, the cabinet 1 includes a fan housing 11, a connection pipe 12 and a base 13. The air duct 111 is located in the fan cover 11, and the water outlet 112 is arranged on the fan cover 11. One end of the connecting pipe 12 is connected with the fan cover 11, the other end of the connecting pipe 12 is connected with the base 13, and the base 13 is used for supporting the fan cover 11 in cooperation with the connecting pipe 12. The base 13, the connecting pipe 12 and the fan cover 11 are arranged, the fan assembly 2 and the dehumidifying assembly 3 are arranged in the fan cover 11, the base 13 can increase the supporting stability of the circulating fan, and the connecting pipe 12 can improve the air outlet height of the circulating fan.

In one embodiment, referring to fig. 2, 4, 5 and 6, a water receiving groove 131 is disposed in the base 13, one end of the connecting pipe 12 is connected to the water outlet 112, and the connecting pipe 12 communicates with the air duct 111 and the water receiving groove 131. The connecting pipe 12 is used as a water receiving pipe, the water receiving groove 131 is arranged on the base 13, the base 13 supports the fan cover 11, condensed water of the dehumidifying device can be received, the practicability is high, the discharge channels of the condensed water are all arranged inside the circulating fan, and the attractiveness of the circulating fan can be improved. The lower end of the connecting pipe 12 is provided with a notch 121, and the notch 121 is communicated with the connecting pipe 12 and the water receiving tank 131. The base 13 is provided with a water tank cover 132, and the water tank cover 132 covers the water receiving tank 131. The water receiving tank 131 can be drained in time by opening the water tank cover 132.

In one embodiment, referring to fig. 2, 4, 5 and 6, the circulation fan further includes a sealing ring 16, the sealing ring 16 is sleeved on the first air grid 14, and the sealing ring 16 abuts against the inner wall surface of the air duct 111. An annular bulge 113 is arranged in the air duct 111, the fan assembly 2 and the dehumidifying assembly 3 are respectively positioned on two opposite sides of the annular bulge 113, and the water outlet 112 is positioned between the annular bulge 113 and the sealing ring 16. The annular protrusion 113 can prevent condensed water from flowing to the fan assembly 2, so that the fan assembly 2 is damaged and liquid splashing is caused. The condensation piece 31 is located between the sealing ring 16 and the annular bulge 113, moisture in the air condensed by the condensation piece 31 can be remained between the sealing ring 16 and the annular bulge 113, and the water outlet 112 is arranged between the sealing ring 16 and the annular bulge 113, so that the condensed water can conveniently flow out along the water outlet 112.

In one embodiment, referring to fig. 2, 4, 5 and 6, the axis of the air duct 111 is inclined to the bottom surface of the base 13, the sealing ring 16 is located at one end of the air duct 111 near the bottom surface of the base 13, and the water outlet 112 is located near the sealing ring 16. The air duct 111 is obliquely arranged, so that water flow can be guaranteed to flow out along the water outlet 112 at the lower part and flow into the water receiving groove 131 of the base 13 along the connecting pipe 12.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A circulation fan, comprising:

the air duct is arranged in the shell;

the fan assembly is arranged in the air duct;

2. The circulation fan of claim 1, wherein the dehumidification assembly further comprises a first thermally conductive member having one side thereof attached to the cold end of the refrigeration device and the other side thereof attached to the condensation member;

3. The circulation fan of claim 1, wherein the heat sink comprises a heat sink block and a plurality of heat sinks disposed on the heat sink block, the heat sink block being thermally conductively coupled to the hot side of the refrigeration device;

4. The circulation fan of claim 3, wherein the heat dissipation block is circular, and each of the heat dissipation fins is uniformly distributed on the peripheral side of the cold clot;

5. The circulation fan of any one of claims 1-4, wherein the dehumidification assembly further comprises a heat shield, the shield Wen Juantao being provided on the heat sink and the condenser.

6. The circulation fan of any one of claims 1-4, wherein the dehumidifying assembly is disposed on an air intake side of the fan assembly _。

7. The circulation fan of any one of claims 1-4, wherein the condensing member is located on a side of the heat sink remote from the fan assembly _。

8. The circulation fan according to any one of claims 1 to 4, wherein a water outlet is provided in the casing, which communicates with the air duct, and the water outlet is for discharging condensed water.

9. The circulation fan of claim 8, wherein the housing comprises:

one end of the connecting pipe is connected with the fan cover;

10. The circulation fan of claim 9, wherein a water receiving groove is provided in the base, one end of the connecting pipe is connected to the water outlet, and the connecting pipe is communicated with the air duct and the water receiving groove.