CN215409431U

CN215409431U - Hanging screen fan and air duct thereof

Info

Publication number: CN215409431U
Application number: CN202121369129.1U
Authority: CN
Inventors: 李享福; 郑观正; 谢佳航; 陈凯伟
Original assignee: Shenzhen Jisu Technology Co Ltd
Current assignee: Shenzhen Jisu Technology Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-18
Publication date: 2022-01-04
Anticipated expiration: 2031-06-18
Also published as: CN215409327U; CN113294384A; CN215409325U; CN215409328U

Abstract

The utility model discloses an air duct which is arranged at an air outlet of a fan, the air duct is provided with at least one air guide groove extending along the transverse direction, the air guide groove is used for guiding blowing air generated by the fan, and the air outlet area of the air guide groove is constant in the oscillating process of the fan. The utility model also discloses a screen-hung fan, the air duct guides the blowing flow direction of the fan, the wind noise is reduced, the screen-hung fan provides continuous blowing, and meanwhile, the screen-hung fan can be fixed on a screen of equipment, and the occupied space is reduced.

Description

Hanging screen fan and air duct thereof

Technical Field

The utility model belongs to the field of fans, and particularly relates to a screen-hung fan and an air guide cylinder thereof.

Background

Most of the existing fans are desktop vertical fans, desktop space is occupied, space cannot be effectively utilized, and occupied space of the desktop cannot be reduced.

Meanwhile, the air outlet of the existing fan can generate wind noise, so that the user experience is influenced.

Therefore, how to make the fan reduce the occupied space of the desktop, improve the space utilization rate, and reduce the wind noise at the air outlet of the fan is a technical problem to be solved by technical personnel in the technical field.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems that a screen-hung fan and an air guide cylinder thereof are provided, and the problems that the fan occupies the desktop space and the air outlet of the fan has wind noise in the prior art are solved.

In order to solve the technical problem, the utility model adopts the technical scheme that an air guide duct is provided and is arranged at an air outlet of a fan, the air guide duct is provided with at least one air guide groove extending along the transverse direction and used for guiding out blowing air generated by the fan, and the air outlet area of the air guide groove is fixed in the oscillating process of the fan.

Preferably, the air duct comprises a barrel and an air guide member, the air guide member is convexly arranged on the barrel, the air guide member comprises at least two air guide plates which are arranged in parallel at intervals, and the air guide groove is formed by two adjacent air guide plates.

Preferably, the two air deflectors at the uppermost end and the lowermost end protrude out of the edge of the air outlet.

Preferably, the air deflector at the uppermost end of the air deflector is maintained in a space defined by the lowest point of the air guide slope of the air outlet of the fan when rotating, so that the tail end of the air deflector at the uppermost end does not exceed the lowest point of the air guide slope and enters the air channel to interfere with the wind; and/or the air deflector at the lowermost end of the air guide piece is maintained in a space defined by the highest point of the air guide slope of the air outlet of the fan when rotating, so that the tail end of the air deflector at the lowermost end does not exceed the highest point of the air guide slope and enters the air channel to interfere with the wind.

Preferably, the sections of the two ends of the air duct are circular, and the section of the duct body of the air duct is semicircular; the air duct is driven to rotate manually or electrically.

The utility model also discloses a screen-hanging fan, which comprises:

the casing, the casing has an accommodation space, air intake and air outlet.

And the fan assembly is arranged in the accommodating space and corresponds to the air inlet.

The air duct is arranged in the accommodating space and corresponds to the air outlet, and the air duct is the air duct.

And the fixing component is arranged outside the shell and used for fixing the screen hanging fan.

The fan assembly guides air outside the shell into the accommodating space through the air inlet and then blows out the air from the air outlet after being adjusted by the air guide cylinder.

Preferably, the wind guide device further comprises a wind guide motor, and the wind guide motor is arranged at one end of the wind guide cylinder and drives the wind guide cylinder to rotate.

Preferably, the air duct comprises at least two air deflectors arranged in parallel at intervals, the air guide groove is formed by two adjacent air deflectors, the upper surface and the lower surface of the inner wall of the air outlet are provided with arc-shaped air guide slopes, and the two air deflectors at the uppermost end and the lowermost end extend out of the arc-shaped air guide slopes in a rotating and attaching mode.

Preferably, the air deflector at the uppermost end is attached to the arc-shaped plate of the air guide slope and is maintained in a space defined by the lowest point of the air guide slope when rotating, so that the tail end of the arc-shaped plate at the uppermost end does not exceed the lowest point of the air guide slope and enters the air channel to interfere with the wind; and/or the air deflector at the lowest end is attached to the arc-shaped plate of the air guide slope and is maintained in a space limited by the highest point of the air guide slope when rotating, so that the tail end of the arc-shaped plate at the lowest end does not exceed the highest point of the air guide slope and enters the air channel to interfere with the wind.

Preferably, the rotation angle range of the air duct is 10-30 degrees, so that the tail end of the arc-shaped plate is prevented from exceeding the air guide slope and entering the air duct to interfere with wind.

Preferably, the housing comprises an upper housing and a lower housing, and the upper housing is covered and connected with the lower housing.

Preferably, the air inlet is arranged at the bottom of the lower shell, and the air outlet is arranged at the front part of the lower shell.

Preferably, the air guide duct is rotated by manual operation.

The utility model has the beneficial effects that: the utility model discloses an air duct which is arranged at an air outlet of a fan, the air duct is provided with at least one air guide groove extending along the transverse direction, the air guide groove is used for guiding blowing air generated by the fan, and the air outlet area of the air guide groove is constant in the oscillating process of the fan. The utility model also discloses a screen-hung fan, the air duct guides the blowing flow direction of the fan, the wind noise is reduced, the screen-hung fan provides continuous blowing, and meanwhile, the screen-hung fan can be fixed on a screen of equipment, and the occupied space is reduced.

Drawings

FIG. 1 is a schematic view of a wall-mounted fan according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the embodiment of FIG. 1;

FIG. 3 is a schematic view of a connection between an air duct and a lower housing in another embodiment of the screen-mounted fan of the present invention;

FIG. 4 is a schematic view of another embodiment of a wall mounted fan of the present invention;

FIG. 5 is a schematic cross-sectional view of a position of the air duct connected to the outlet along a front-rear direction in another embodiment of the screen-mounted fan of the present invention.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In the drawings, the arrow X direction indicates the front-rear direction, i.e., the front-side-rear-side direction, the arrow Y indicates the lateral direction, i.e., the left-right direction, and the arrow Z indicates the vertical direction, i.e., the up-down direction.

The following embodiments are embodiments of an air duct applied to a wall-mounted fan, and with reference to fig. 1, fig. 2, fig. 3, and fig. 4, the wall-mounted fan includes:

the shell 1, the shell 1 has a containing space, an air inlet K1 and an air outlet K2.

And the fan assembly 2 is arranged in the accommodating space and corresponds to the air inlet K1.

And the air duct 31 is arranged in the accommodating space and corresponds to the air outlet K2.

And the fixing component 4 is arranged outside the shell 1 and used for fixing the screen hanging fan.

The fan assembly 2 guides the air outside the housing 1 into the accommodating space through the air inlet K1, and then the air is conditioned by the air duct 31 and blown out from the air outlet K2. Through setting up above-mentioned fixed subassembly 4, can firmly fix this hanging screen fan on the screen (like notebook computer screen or desktop computer screen), also can fix it in places such as bedrail, desk border, the effect that realization limit work was blown out simultaneously to the rethread air from air intake K1 guide through air outlet K2.

Preferably, the casing 1 includes an upper casing 11 and a lower casing 12, the upper casing 11 is covered and connected with the lower casing 12, and the accommodating space is located between the upper casing 11 and the lower casing 12, and this arrangement can facilitate opening the upper casing 11 to expose the fan assembly 2 and the air duct 31, and facilitate replacing or maintaining the fan assembly 2 or the air duct 31.

Preferably, the air inlet K1 is disposed at the bottom of the lower housing 12, and the air outlet K2 is disposed at the front of the lower housing 12, in this embodiment, the air inlet K1 is a plurality of strip-shaped holes disposed at the bottom of the lower housing 12 and spaced from each other, so that air can enter the accommodating space through the air inlet K1.

Preferably, the upper case 11 is provided with a control cavity 111, the control cavity 111 is internally provided with a control panel 5 and a battery 6, the control panel 5 is provided with a charging interface 51 and a control button 52, the control cavity 111 can protect the control panel 5 from being invaded by external dust or sewage, and the control button 52 comprises a switch button, a gear shifting button for adjusting the rotating speed of the fan, and the like.

It is further preferred that the control chamber 111 is provided with a cover plate (not shown) for covering the control chamber 111 and protecting it from dirt or dust.

Preferably, the air guiding duct 31 is configured to be disposed at an air outlet of the fan, the air guiding duct 31 is provided with at least one air guiding groove 311 extending along a transverse direction (i.e., the transverse direction in the drawing), the air guiding groove 311 is configured to guide out the blowing air generated by the fan, and an air outlet area of the air guiding groove 311 is constant during the oscillating process of the fan. The air guide groove 311 is arranged to keep the constant passing area of the air blown out from the air guide groove 311, so that the stability of the blowing is kept, and the wind noise is avoided.

In terms of technical effects, it should be further noted that, compared to an indoor air conditioner, a vertical air conditioner, or other larger fans, the rotation speed of the fan is generally about 500-; however, because the screen-hung fan is used in a computer screen or other scenes, the selected fan component can only select a fan with the smallest volume or smaller, and in order to meet the same blowing amount, the requirement on the rotating speed of the fan is higher, for example, the requirement is to reach 5000 revolutions per minute, 10000 revolutions per minute or even 15000 revolutions per minute, accordingly, high-speed wind blown out from the high-speed fan is high, if a louver type wind guide blade is selected for guiding wind, and cutting and extruding high-speed wind is performed, the generated wind noise is very high and can reach 80 decibels or even 100 decibels, which will seriously affect the use experience of a user using a computer or working at a computer desk. Therefore, to this kind of special use scene, the utility model discloses the people is through designing air duct 31 for the wind that blows off from this guide duct 311 keeps invariable area of passing through, and then keeps the stability of blowing, has avoided wind to make an uproar.

Preferably, the air guide device further comprises an air guide motor 32, wherein the air guide motor 32 is arranged at one end of the air guide cylinder 31 and drives the air guide cylinder 31 to rotate, and the rotation of the air guide cylinder 31 enables the direction of the blown air to be adjusted and changed up and down, so that the up-and-down pitching type blowing is realized.

Because air duct 31 can rotate, so hang the whole circumstances such as shake that can take place of screen fan at the during operation, for solving above-mentioned technical problem, this embodiment sets up the back upside at last casing 11 through control chamber 111, combines the effect of control panel 5 and battery 6 for holistic geometry focus is toward the offset of control chamber 111, thereby when hanging the screen fan, plays equivalent counter weight effect, makes the screen fan during operation more stable, avoids appearing rocking the circumstances.

Preferably, the air duct 31 includes a cylinder 312 and an air guide, the air guide is convexly disposed on the cylinder 312, the air guide includes at least two air guide plates 313 arranged in parallel at intervals, and the air guide groove 311 is formed by two adjacent air guide plates 313.

Preferably, the two air deflectors 313 at the uppermost end and the lowermost end protrude from the edge K21 of the air outlet K2, the air deflector 313 protrudes from the edge K21 of the air outlet K2, and the rotation of the air deflector 313 into the air outlet K2 can be limited, so that the edge K21 of the air outlet K2 blocks part of the air guiding groove 311, and further the passing area of air blown from the air guiding groove 311 is changed, which may cause wind squeezing and finally wind noise.

Preferably, a plurality of supporting pieces 3121 are disposed in the cylinder 312 at intervals, and the supporting pieces 3121 are cross-connected to the air guide plate 313, so that the supporting strength of the air guide plate 313 is enhanced, the stability of the air guide plate 313 is improved, and even if the air blowing from the position of the air guide plate 313 is strong, the air guide plate does not shake.

Preferably, the cross-sections of both ends of the air duct 31 are circular, and the cross-section of the barrel body of the air duct 31 is semicircular, that is, the rear side of the barrel body 312 is a semi-hollow structure, which is not a sealing structure, on one hand, the cross-section is for increasing the volume for accommodating air, so that air can better flow through the air guide groove 311 from the rear side of the barrel body 312, on the other hand, the overall weight of the barrel body 312 is also reduced, and materials are saved.

Preferably, the air duct 31 is rotated by manual operation or electrically driven.

Preferably, the fan assembly 2 is a cross-flow fan, the cross-flow fan comprises an impeller 21 and an impeller motor 22 for driving the impeller 21 to rotate, the airflow flows through the impeller 21 and is acted by the force of blades on the impeller 21, the airflow (air) can reach a long distance, meanwhile, the turbulence is avoided, the air outlet is uniform, a human body can feel uniform air blowing, and fatigue or discomfort cannot be felt even if the air blowing is carried out for a long time.

Preferably, the fixing component 4 is a fixing plate with an adhesive layer, and the whole screen hanging fan can be adhered on the screen.

It is further preferred that the fixing assembly 4 is disposed at the bottom of the lower casing 12, and the fixing assembly 4 includes a base 41 and a clamping plate 42 capable of being lifted or pulled out from the base 41, wherein the clamping plate 42 is used for clamping and fixing the screen hanging fan on a predetermined clamping surface, which may be a screen. Specifically, the clamping plate 42 can be elastically pulled out from the base 41, and when the inner wall of the clamping plate 42 presses and clamps the screen, the screen hanging fan can be fixed.

Preferably, the base 41 has an arc-shaped supporting leg 411, the supporting leg 411 is used for supporting a predetermined clamping surface (such as a screen), when the clamping plate 42 clamps one side of the screen, the supporting leg 411 supports the other side of the screen, so as to enhance the stability of clamping and fixing.

Preferably, the surface of the supporting leg 411 is provided with an adhesive layer 4111 for adhering and fixing the supporting leg 411 to a predetermined clamping surface (such as a screen), and a silica gel protective layer (not shown) is disposed on a side surface of the clamping plate 42 contacting the predetermined clamping surface, so that direct rigid contact between the clamping plate 42 and the screen can be well reduced, abrasion is reduced, and the surface of the screen is protected from scratches.

Further preferably, a lug 121 is arranged on the lower casing 12 and near the edge K21 of the air outlet K2, the lug 121 extends vertically and downwardly, when the screen hanging fan is fixed on the screen, the lug 121 can hook a side surface of the screen well, and the effect of enhancing the stability of connection between the screen hanging fan and the screen is achieved.

Preferably, with reference to fig. 2, 3 and 5, the air duct 31 includes at least two air deflectors 313 arranged in parallel at intervals, the air duct 311 is formed by two adjacent air deflectors 313, the upper surface and the lower surface of the inner wall of the air outlet K2 are provided with the curved air guiding slopes 7, the two air deflectors 313 located at the uppermost end and the lowermost end extend out of the curved plate 8 which is rotatably attached to the air guiding slopes 7, specifically, in this embodiment, there are 4 air guiding slopes 7, the upper surface and the lower surface of the inner wall of the air outlet K2 are respectively provided with two adjacent air guiding slopes 7, and the two adjacent air guiding slopes 7 are close to each other and gradually rise And the gap) prevents the air deflector 313 (or the arc-shaped plate 8) from cutting flowing wind during rotation, so that wind noise is generated, namely, the arrangement further prevents the generation of wind noise, and the hanging screen fan keeps quiet during operation.

Preferably, the rotation angle range of the air duct 31 is 10-30 degrees so as to prevent the tail end of the arc-shaped plate 8 from exceeding the air guiding slope 7 and entering the air duct to interfere with wind, the air duct 31 has a certain rotation angle to realize air blowing adjustment in a vertical pitching manner, and the angle of blowing air to a human body can be conveniently adjusted when the screen-hanging fan is fixed on a screen.

Further preferably, the air guide slopes 7 on the upper surface and the lower surface of the inner wall of the air outlet K2 are vertically symmetrical, so that air flowing through the air guide slopes is more uniform, and air noise is further reduced.

Preferably, the air deflector 313 at the uppermost end of the air deflector is maintained in a space defined by the lowest point of the air guiding slope 7 at the air outlet of the fan during rotation, so that the tail end of the air deflector 313 at the uppermost end does not exceed the lowest point of the air guiding slope 7 and enters the air channel to interfere with the wind; and/or the air deflector 313 at the lowest end of the air deflector is maintained in a space defined by the highest point of the air guiding slope 7 at the air outlet of the fan when rotating, so that the tail end of the air deflector 313 at the lowest end does not exceed the highest point of the air guiding slope 7 and enters the air channel to interfere with the wind.

Specifically, the uppermost air guiding plate 313 is attached to the arc-shaped plate 8 of the air guiding slope 7 and is maintained in the space defined by the lowest point of the air guiding slope 7 during rotation, so that the tail end of the uppermost arc-shaped plate 8 does not exceed the lowest point of the air guiding slope 7 and enters an air duct (the air duct is a gap between structures for air to flow, and the air duct described in the embodiment is a gap between the upper surface of the inner wall and the lower surface of the inner wall of the air outlet K2) to interfere with the wind; and/or the air deflector 313 at the lowest end is attached to the arc-shaped plate 8 of the air guide slope 7 and is maintained in the space defined by the highest point of the air guide slope 7 when rotating, so that the tail end of the arc-shaped plate 8 at the lowest end does not exceed the highest point of the air guide slope 7 and enters the air duct to interfere with the wind, the arrangement prevents the tail end of the arc-shaped plate 8 from exceeding a ridge line 71 formed between two adjacent air guide slopes 7, the fast flowing air can be cut to form wind noise, and the wind noise is further avoided.

Based on the above embodiment, the utility model discloses an air duct, which is arranged at an air outlet of a fan, the air duct is provided with at least one air guide groove extending along the transverse direction, the air guide groove is used for guiding out blowing air generated by the fan, and the air outlet area of the air guide groove is fixed in the oscillating process of the fan. The utility model also discloses a screen-hung fan, the air duct guides the blowing flow direction of the fan, the wind noise is reduced, the screen-hung fan provides continuous blowing, and meanwhile, the screen-hung fan can be fixed on a screen of equipment, and the occupied space is reduced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims

1. The air guide cylinder is arranged at an air outlet of a fan and is characterized in that the air guide cylinder is provided with at least one air guide groove extending along the transverse direction, the air guide groove is used for guiding blowing air generated by the fan, and the air outlet area of the air guide groove is fixed in the oscillating process of the fan.

2. The air guide cylinder of claim 1, wherein the air guide cylinder comprises a cylinder body and an air guide member, the air guide member is convexly arranged on the cylinder body, the air guide member comprises at least two air guide plates which are arranged in parallel at intervals, and the air guide groove is formed by two adjacent air guide plates.

3. The air duct of claim 2, wherein the two air deflectors at the uppermost end and the lowermost end protrude from the edge of the air outlet.

4. The air guide duct of claim 2, wherein the uppermost air guide plate of the air guide member is maintained in a space defined by the lowest point of the air guide slope of the air outlet of the fan during rotation, so that the end of the uppermost air guide plate does not exceed the lowest point of the air guide slope and enters the air duct to interfere with the wind; and/or the air deflector at the lowermost end of the air guide piece is maintained in a space defined by the highest point of the air guide slope of the air outlet of the fan when rotating, so that the tail end of the air deflector at the lowermost end does not exceed the highest point of the air guide slope and enters the air channel to interfere with the wind.

5. The air guide duct according to any one of claims 1 to 4, wherein the cross-section of each end of the air guide duct is circular, and the cross-section of the duct body of the air guide duct is semicircular; the air duct is driven to rotate manually or electrically.

6. A wall-mounted fan, comprising:

the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an accommodating space, an air inlet and an air outlet;

the fan assembly is arranged in the accommodating space and is arranged corresponding to the air inlet;

the air duct is arranged in the accommodating space and corresponds to the air outlet, and the air duct is the air duct in any one of claims 1 to 5;

the fixing assembly is arranged outside the shell and used for fixing the screen hanging fan;

the fan assembly guides air outside the shell into the accommodating space through the air inlet, and then the air is adjusted by the air duct and blown out of the air outlet.

7. The screen-hanging fan of claim 6, further comprising an air-guiding motor, wherein the air-guiding motor is arranged at one end of the air-guiding cylinder and drives the air-guiding cylinder to rotate.

8. The screen-hanging fan of claim 6, wherein the air duct comprises at least two air guide plates arranged in parallel at intervals, the air guide groove is formed by two adjacent air guide plates, an arc-shaped air guide slope is arranged on the upper surface and the lower surface of the inner wall of the air outlet, and the two air guide plates at the uppermost end and the lowermost end extend out of an arc-shaped plate which is rotatably attached to the air guide slope.

9. The screen-hanging fan as claimed in claim 8, wherein the uppermost curved plate is maintained in a space defined by the lowest point of the air guiding slope when the curved plate attached to the air guiding slope rotates, so that the tail end of the uppermost curved plate does not exceed the lowest point of the air guiding slope and enters the air duct to interfere with the wind; and/or the air deflector at the lowest end is attached to the arc-shaped plate of the air guide slope and is maintained in a space defined by the highest point of the air guide slope when rotating, so that the tail end of the arc-shaped plate at the lowest end does not exceed the highest point of the air guide slope and enters an air channel to interfere with wind.

10. The screen-hanging fan as claimed in claim 9, wherein the rotation angle of the air guiding cylinder is in the range of 10-30 degrees to prevent the tail end of the arc-shaped plate from exceeding the guiding slope and entering the air duct to interfere with the wind.

11. The screen-hanging fan of claim 10, wherein the housing comprises an upper housing and a lower housing, the upper housing being coupled to the lower housing in a covering manner.

12. The hanging fan of claim 11, wherein the air inlet is disposed at a bottom of the lower housing and the air outlet is disposed at a front of the lower housing.

13. A screen fan as claimed in any one of claims 6 or 8 to 12, wherein the air duct is rotated by manual operation.