CN114810638B - Heat dissipation fan - Google Patents
Heat dissipation fan Download PDFInfo
- Publication number
- CN114810638B CN114810638B CN202210498182.4A CN202210498182A CN114810638B CN 114810638 B CN114810638 B CN 114810638B CN 202210498182 A CN202210498182 A CN 202210498182A CN 114810638 B CN114810638 B CN 114810638B
- Authority
- CN
- China
- Prior art keywords
- fan
- guide vane
- curved surface
- air guide
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 2
- 238000009423 ventilation Methods 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of refrigeration systems, in particular to a heat dissipation fan, which comprises a fan, a fan cover and a guide cover, wherein the fan cover and the guide cover are covered on the fan, the guide cover is connected to the fan cover, one end of the guide cover, which is close to the fan, is in a gradually-expanding shape, the air outlet direction of the fan is in a first direction, the air outlet direction of the guide cover is in a second direction, and an included angle is formed between the first direction and the second direction. According to the invention, the air guide sleeve connected to the fan cover is arranged, one end of the air guide sleeve connected to the fan cover is in a gradually-expanding shape, so that the flow resistance of an outlet of the fan is reduced, the ventilation quantity of the fan is increased, and meanwhile, the air outlet direction of the air guide sleeve is different from the air outlet direction of the fan, so that the air exhaust direction is changed, and the backflow of hot air is prevented.
Description
Technical Field
The invention relates to the technical field of refrigeration systems, in particular to a heat dissipation fan.
Background
In an air conditioner refrigerating system, a fan is often utilized for ventilation and heat dissipation, and when the problems of hot air backflow and the like are solved due to the limitation of the size of a diversion cover and the installation space of the fan, a louver diversion structure is generally adopted to change the direction of air exhaust, but the flow resistance is increased and the ventilation quantity is reduced in the mode.
Disclosure of Invention
The invention aims to provide a heat radiation fan which can prevent hot air from flowing back while guaranteeing ventilation effect.
To achieve the purpose, the invention adopts the following technical scheme:
a heat dissipation blower, comprising:
the fan and the fan cover are covered on the fan;
the air guide sleeve is connected to the fan cover, one end of the air guide sleeve, which is close to the fan, is in a gradually-expanding shape, the air outlet direction of the fan is in a first direction, the air outlet direction of the air guide sleeve is in a second direction, and the first direction and the second direction are arranged in an included angle.
Preferably, the air guide sleeve comprises a first guide vane and a second guide vane which are arranged at intervals along the height direction, the first guide vane and the second guide vane are of arc-shaped structures, and concave surfaces of the arc-shaped structures are arranged oppositely.
Preferably, the first guide vane includes a first half curved surface and a second half curved surface, one end of the first half curved surface is connected to the fan cover, the other end is connected to the second half curved surface, the first half curved surface and the second half curved surface are both in a horn mouth shape, and the expansion angle of the second half curved surface is larger than that of the first half curved surface.
Preferably, the divergence angle of the first half curved surface is 10 ° to 25 °.
Preferably, a fixing rod is connected between the first guide vane and the second guide vane, one end of the fixing rod is connected to the connection part of the first half curved surface and the second half curved surface of the first guide vane, and the other end of the fixing rod is connected to the second guide vane.
Preferably, the guide cover further comprises a third guide vane and a fourth guide vane connected to the fixing rod, wherein the third guide vane and the fourth guide vane are located between the first guide vane and the second guide vane and are arranged at intervals along the height direction.
Preferably, the third guide vane and the fourth guide vane are both arc-shaped structures, concave surfaces of the arc-shaped structures are arranged oppositely, and the third guide vane and the fourth guide vane extend along the second direction.
Preferably, the air guide sleeve further comprises a fifth air guide blade connected to the fixing rod, and the fifth air guide blade is located between the third air guide blade and the fourth air guide blade and faces the motor of the fan.
Preferably, the fifth guide vane is composed of an elliptical surface having a plurality of axes extending in the second direction.
Preferably, the air guide sleeve further comprises a sixth air guide blade penetrating through the fifth air guide blade, and the sixth air guide blade extends along the second direction.
The invention has the beneficial effects that: according to the invention, the air guide sleeve connected to the fan cover is arranged, one end of the air guide sleeve connected to the fan cover is in a gradually-expanding shape, so that the flow resistance of an outlet of the fan is reduced, the ventilation quantity of the fan is increased, and meanwhile, the air outlet direction of the air guide sleeve is different from the air outlet direction of the fan, so that the air exhaust direction is changed, and the backflow of hot air is prevented.
Drawings
FIG. 1 is a cross-sectional view of a heat dissipation blower provided by the invention;
fig. 2 is an axial view of a pod provided by the present invention.
In the figure:
1. a fan cover; 11. a motor;
2. a guide cover; 21. a first guide vane; 211. a first half-curved surface; 212. a second semi-curved surface; 22. a second guide vane; 23. a third guide vane; 24. a fourth guide vane; 25. a fifth guide vane; 26. and a sixth guide vane.
3. And a fixing rod.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, 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.
As shown in fig. 1-2, this embodiment provides a heat dissipation fan, including a fan, a fan cover 1 and a guide cover 2 that cover the fan, wherein the guide cover 2 is connected to the fan cover 1, one end of the guide cover 2 near the fan is gradually expanded, the air outlet direction of the fan is a first direction, the air outlet direction of the guide cover 2 is a second direction, and the first direction and the second direction are arranged at an included angle.
According to the embodiment, the air guide sleeve 2 connected to the fan cover 1 is arranged, wherein the air guide sleeve 2 is connected to one end of the fan cover 1 in a gradually-expanding mode, the flow resistance of an outlet of the fan is reduced, the ventilation quantity of the fan is increased, meanwhile, the air outlet direction of the air guide sleeve 2 is different from the air outlet direction of the fan, the air exhaust direction is changed, and hot air backflow is prevented.
Further, the air guide sleeve 2 comprises a first air guide vane 21 and a second air guide vane 22 which are arranged at intervals along the height direction, the first air guide vane 21 and the second air guide vane 22 are of arc-shaped structures, and concave surfaces of the arc-shaped structures are arranged oppositely.
Specifically, the first guide vane 21 includes a first half curved surface 211 and a second half curved surface 212, one end of the first half curved surface 211 is connected to the fan housing 1, the other end is connected to the second half curved surface 212, the first half curved surface 211 and the second half curved surface 212 are both in a horn mouth shape, and the expansion angle of the second half curved surface 212 is larger than that of the first half curved surface 211. More specifically, the projected length of the first half curved surface 211 in the first direction is one fourth of the projected length of the first guide vane 21 in the first direction, and the divergence angle of the first half curved surface 211 is 10 ° -25 °. The flow resistance of the blower outlet is reduced by the first half curved surface 211, the ventilation quantity is increased, and the direction of exhaust air is changed by the second half curved surface 212.
Similarly, the second guide vane 22 includes a third curved surface and a fourth curved surface, one end of the third curved surface is connected to the fan housing 1, the other end is connected to the fourth curved surface, the third curved surface extends in a diagonally downward direction, the purpose of reducing the flow resistance of the fan outlet and increasing the ventilation amount is achieved, and the fourth curved surface extends in the second direction to change the direction of exhaust air.
The connection between the first half curved surface 211 and the second half curved surface 212 of the first guide vane 21 and the connection between the third curved surface and the fourth curved surface of the second guide vane 22 are correspondingly arranged. And a fixing rod 3 is connected between the connection part of the first half curved surface 211 and the second half curved surface 212 and the connection part of the third curved surface and the fourth curved surface, and is used for fixing other guide vanes.
Further, the air guide sleeve 2 further comprises a third air guide vane 23 and a fourth air guide vane 24 connected to the fixing rod 3, and the third air guide vane 23 and the fourth air guide vane 24 are located between the first air guide vane 21 and the second air guide vane 22 and are arranged at intervals along the height direction.
Specifically, the third guide vane 23 and the fourth guide vane 24 are both arc-shaped structures, concave surfaces of the arc-shaped structures are disposed opposite to each other, and the third guide vane 23 and the fourth guide vane 24 both extend along the second direction, and also in order to change the exhaust direction.
Further, the air guide sleeve 2 further comprises a fifth air guide vane 25 connected to the fixed rod 3, and the fifth air guide vane 25 is located between the third air guide vane 23 and the fourth air guide vane 24 and faces the motor 11 of the fan. The fifth guide vane 25 is composed of an elliptical surface having a plurality of axes extending in the second direction for changing the exhaust direction.
Further, the air guide sleeve 2 further comprises a sixth air guide vane 26 penetrating through the fifth air guide vane 25, the sixth air guide vane 26 is connected to the fixing rod 3 and extends along the second direction, and the sixth air guide vane 26 comprises two connected flat plate vanes, wherein the two flat plate vanes are arranged at an included angle and used for changing the air exhaust direction.
It should be noted that, the second direction provided in this embodiment is the direction of the oblique upper side along the air-out direction of the fan to guide the air, and the second direction is arranged in the propagation direction of the noise of the fan, so that the noise reduction purpose can be achieved to a certain extent.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. 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 invention are desired to be protected by the following claims.
Claims (3)
1. A heat dissipation fan, comprising:
the fan and the fan cover (1) are covered on the fan;
the air guide sleeve (2) is connected to the fan cover (1), one end of the air guide sleeve (2) close to the fan is gradually expanded, the air outlet direction of the fan is a first direction, the air outlet direction of the air guide sleeve (2) is a unique second direction, and the first direction and the second direction are arranged in an included angle;
the air guide sleeve (2) comprises a first air guide blade (21) and a second air guide blade (22) which are arranged at intervals along the height direction, the first air guide blade (21) and the second air guide blade (22) are of arc-shaped structures, and concave surfaces of the arc-shaped structures are arranged oppositely;
the first guide vane (21) comprises a first half-curved surface (211) and a second half-curved surface (212), one end of the first half-curved surface (211) is connected with the fan cover (1), the other end of the first half-curved surface is connected with the second half-curved surface (212), the first half-curved surface (211) and the second half-curved surface (212) are both in a horn mouth shape, and the expansion angle of the second half-curved surface (212) is larger than that of the first half-curved surface (211);
a fixed rod (3) is connected between the first guide vane (21) and the second guide vane (22), one end of the fixed rod (3) is connected to the joint of the first semi-curved surface (211) and the second semi-curved surface (212) of the first guide vane (21), and the other end is connected to the second guide vane (22);
the air guide sleeve (2) further comprises a third guide vane (23) and a fourth guide vane (24) which are connected to the fixed rod (3), wherein the third guide vane (23) and the fourth guide vane (24) are positioned between the first guide vane (21) and the second guide vane (22) and are arranged at intervals along the height direction;
the air guide sleeve (2) further comprises a fifth air guide blade (25) connected to the fixed rod (3), and the fifth air guide blade (25) is positioned between the third air guide blade (23) and the fourth air guide blade (24) and is opposite to the motor (11) of the fan;
the fifth guide vane (25) is composed of an elliptical surface with a plurality of axes extending along the second direction;
the air guide sleeve (2) further comprises a sixth air guide blade (26) penetrating through the fifth air guide blade (25), and the sixth air guide blade (26) extends along the second direction.
2. The cooling fan according to claim 1, characterized in that the divergence angle of the first half-curved surface (211) is 10 ° -25 °.
3. The cooling fan according to claim 1, wherein the third guide vane (23) and the fourth guide vane (24) are each of an arc-shaped structure, concave surfaces of the arc-shaped structures are disposed opposite to each other, and the third guide vane (23) and the fourth guide vane (24) each extend in the second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210498182.4A CN114810638B (en) | 2022-05-09 | 2022-05-09 | Heat dissipation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210498182.4A CN114810638B (en) | 2022-05-09 | 2022-05-09 | Heat dissipation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114810638A CN114810638A (en) | 2022-07-29 |
| CN114810638B true CN114810638B (en) | 2023-10-31 |
Family
ID=82513975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210498182.4A Active CN114810638B (en) | 2022-05-09 | 2022-05-09 | Heat dissipation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114810638B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0942150A2 (en) * | 1998-03-11 | 1999-09-15 | Rolls-Royce Plc | A stator vane assembly for a turbomachine |
| JP2002372258A (en) * | 2001-06-15 | 2002-12-26 | Matsushita Electric Ind Co Ltd | Fan |
| CN201714689U (en) * | 2010-05-13 | 2011-01-19 | 苏州雅典娜科技有限公司 | Machine room centrifugal blower with flow guide device |
| CN104421212A (en) * | 2013-08-24 | 2015-03-18 | 任文华 | Air outlet cover for fan and fan |
| CN106545922A (en) * | 2016-10-31 | 2017-03-29 | 芜湖美智空调设备有限公司 | A kind of floor air conditioner and its control method |
| CN113357177A (en) * | 2021-07-09 | 2021-09-07 | 张会珍 | High-efficiency energy-saving fan |
| CN215762396U (en) * | 2021-10-11 | 2022-02-08 | 四川鑫盛名机电设备工程有限公司 | Axial flow fan |
-
2022
- 2022-05-09 CN CN202210498182.4A patent/CN114810638B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0942150A2 (en) * | 1998-03-11 | 1999-09-15 | Rolls-Royce Plc | A stator vane assembly for a turbomachine |
| JP2002372258A (en) * | 2001-06-15 | 2002-12-26 | Matsushita Electric Ind Co Ltd | Fan |
| CN201714689U (en) * | 2010-05-13 | 2011-01-19 | 苏州雅典娜科技有限公司 | Machine room centrifugal blower with flow guide device |
| CN104421212A (en) * | 2013-08-24 | 2015-03-18 | 任文华 | Air outlet cover for fan and fan |
| CN106545922A (en) * | 2016-10-31 | 2017-03-29 | 芜湖美智空调设备有限公司 | A kind of floor air conditioner and its control method |
| CN113357177A (en) * | 2021-07-09 | 2021-09-07 | 张会珍 | High-efficiency energy-saving fan |
| CN215762396U (en) * | 2021-10-11 | 2022-02-08 | 四川鑫盛名机电设备工程有限公司 | Axial flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114810638A (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10066843B2 (en) | Methods for operating and constructing a blow through air handler | |
| JP2016142431A (en) | Air conditioner | |
| EP1310743B1 (en) | Decorative panel and diffuser unit of air conditioner, and air conditioner | |
| CN111197584A (en) | Centrifugal fan, air duct system and air conditioner | |
| EP1316760B1 (en) | Decorative panel for air conditioning system, air outlet blow-off unit, and air conditioning system | |
| CN114810638B (en) | Heat dissipation fan | |
| CN104266271A (en) | Air conditioner | |
| WO2023050771A1 (en) | Air conditioner indoor unit having multi-scenario water receiving tray, and air conditioner | |
| CN215372694U (en) | Machine and air conditioner in air conditioning | |
| EP1245908B1 (en) | Air conditioner and indoor unit therefor | |
| KR200326146Y1 (en) | Air guide for outdoor heat exchanger of GHP | |
| CN210511939U (en) | Fan casing and air conditioner | |
| CN110617553A (en) | Volute tongue structure of through-flow air duct, air duct system and air conditioner indoor unit | |
| CN220817907U (en) | Air conditioner | |
| JP4717256B2 (en) | Blower | |
| CN220669585U (en) | Air conditioner | |
| CN204962954U (en) | Air -conditioning indoor unit | |
| CN110553399B (en) | Cross flow air duct assembly and fan heater | |
| CN210317809U (en) | Fan structure, cross-flow fan and air conditioning equipment | |
| CN217402654U (en) | Heating device, air conditioning apparatus, and air conditioning system | |
| CN111197816B (en) | Heat exchange fan assembly and air conditioner | |
| CN219976585U (en) | Fan coil | |
| CN216620017U (en) | Wall-mounted air conditioner | |
| EP4317809A1 (en) | Wall-mounted air conditioner | |
| EP4317810A1 (en) | Wall-mounted air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A cooling fan Granted publication date: 20231031 Pledgee: Fumin Sub branch of Bank of Shanghai Co.,Ltd. Pledgor: ZHEFU INTELLIGENT SYSTEM (SHANGHAI) Co.,Ltd. Registration number: Y2024980003868 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |