CN108868997B - Heat radiator for be used for automobile engine - Google Patents
Heat radiator for be used for automobile engine Download PDFInfo
- Publication number
- CN108868997B CN108868997B CN201810692873.1A CN201810692873A CN108868997B CN 108868997 B CN108868997 B CN 108868997B CN 201810692873 A CN201810692873 A CN 201810692873A CN 108868997 B CN108868997 B CN 108868997B
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- Prior art keywords
- blade
- blades
- main
- fan
- auxiliary
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/327—Rotors specially for elastic fluids for axial flow pumps for axial flow fans with non identical blades
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- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
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- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a heat dissipation device for an automobile engine, which comprises a fan (1) and a heat exchanger (2), wherein the fan is positioned on one side of the heat exchanger and comprises a hub (4), a main blade (3) and a rotating shaft (5), the main blade is a twisted three-dimensional blade, the radial outer side width of the main blade is greater than the radial inner side width of the main blade, the main blade comprises a plurality of first blades (35) and a plurality of second blades (36), and the first blades and the second blades are arranged at intervals along the circumference; on the circumference of the same radial dimension, the width S1 of the first blade is greater than the width S2 of the second blade, and the characteristics are that: the tips (33) of the first and second blades (35, 36) are provided with auxiliary blades (37) whose thickness varies in the fan rotation direction (R). The fan air volume can be effectively increased, the pressure distribution among the main blades can be changed, the pressure distribution is more uniform, the turbulence at the top of the blades is reduced, and the pressure distribution of the pressure surface and the negative pressure surface of the blades is improved.
Description
Technical Field
The invention relates to the field of automobile engine heat dissipation, in particular to a heat dissipation device for an automobile engine.
Background
The heat radiator of the automobile engine comprises a fan and a heat exchanger, and the existing heat radiator has the problems of small air quantity of the fan, uneven pressure distribution and vortex at the top of a blade.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a heat dissipation device for an automobile engine, which can effectively increase the air volume of a fan, change the pressure distribution among main blades, make the pressure distribution more uniform, reduce the turbulence at the tops of the blades and improve the pressure distribution of pressure surfaces and negative pressure surfaces of the blades.
In order to achieve the purpose, the invention adopts the technical scheme that:
a heat dissipating double-fuselage for car engine, it includes the fan (1), heat exchanger (2), the fan locates at one side of heat exchanger, the left and right sides of the heat exchanger have first air-cooling fin (7), second air-cooling fin (8) separately, the upside has liquid inlet of heat exchange (9), the underside has liquid outlet of heat exchange (10); the fan comprises a hub (4), main blades (3) and a rotating shaft (5), wherein the main blades are positioned on the periphery of the hub and extend along the radial direction, the rotating shaft is connected with a power driving device, the main blades are twisted three-dimensional blades, the width of the radial outer side of each main blade is larger than that of the radial inner side of each main blade, each main blade comprises a plurality of first blades (35) and a plurality of second blades (36), and the first blades and the second blades are arranged at intervals along the circumference; on the circumference of the same radial dimension, the width S1 of the first blade is greater than the width S2 of the second blade, and the characteristics are that: the tips (33) of the first and second blades (35, 36) are provided with auxiliary blades (37) whose thickness varies in the fan rotation direction (R).
Wherein, in the direction of fan rotation, the thickness T1 of the auxiliary blade near the leading edge is greater than the thickness T2 of the auxiliary blade near the trailing edge.
Wherein, the upstream side of the auxiliary blade along the fan rotation direction R is provided with a first arc-shaped part (38), and the first arc-shaped part is positioned at the radial inner side of the auxiliary blade in the thickness direction.
Wherein the auxiliary blade has a height H approximately equal to 3 times the thickness of the main blade.
Wherein, the one end of assisting the blade in its direction of height and not being connected with the main blade is equipped with second arc portion (39), and second arc portion is located the radial outside of assisting its thickness direction of blade.
Wherein, the auxiliary blade is positioned on one side of the pressure surface of the main blade.
Wherein, the auxiliary blade and the main blade are integrally formed.
The heat dissipation device for the automobile engine can effectively increase the air volume of the fan, change the pressure distribution among the main blades, enable the pressure distribution to be more uniform, reduce the turbulence at the top of the blades and improve the pressure distribution of the pressure surfaces and the negative pressure surfaces of the blades.
Drawings
FIG. 1 is a schematic view of a heat dissipation device according to the present invention;
FIG. 2 is a schematic axial view of a fan according to the present invention;
FIG. 3 is a schematic view of an auxiliary blade configuration according to the present invention;
FIG. 4 is a schematic view of the construction of the auxiliary blade of the present invention (view P-P of FIG. 2).
In the figure: the fan comprises a fan 1, a heat exchanger 2, a main blade 3, a hub 4, a rotating shaft 5, a heat exchanger body 6, a first cooling fin 7, a second cooling fin 8, a heat exchange liquid inlet 9, a heat exchange liquid outlet 10, a front edge 31, a rear edge 32, a top 33, a root 34, a first blade 35, a second blade 36, an auxiliary blade 37, a first arc-shaped part 38, a second arc-shaped part 39 and an R fan rotating direction.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
See figures 1-4: the heat dissipation device comprises a fan 1, a heat exchanger 2, a main blade 3, a hub 4, a rotating shaft 5, a heat exchanger body 6, a first cooling fin 7, a second cooling fin 8, a heat exchange liquid inlet 9, a heat exchange liquid outlet 10, a front edge 31, a rear edge 32, a top 33, a root 34, a first blade 35, a second blade 36, an auxiliary blade 37, a first arc-shaped portion 38 and a second arc-shaped portion 39.
The heat dissipation device comprises an axial flow fan 1 and a heat exchanger 2, wherein the fan 1 is positioned on one side of the heat exchanger 2, the fan 1 comprises main blades 3, a hub 4 and a rotating shaft 5, and the main blades 3 are positioned on the periphery of the hub 4 and extend along the radial direction. The left side and the right side of the heat exchanger 2 are respectively provided with a first cooling fin 7 and a second cooling fin 8, the upper side is provided with a heat exchange liquid inlet 9, and the lower side is provided with a heat exchange liquid outlet 10.
The main blade 3 comprises a leading edge 31, a trailing edge 32, a tip 33, a root 34, the leading edge 31 being located upstream of the fan direction of rotation R, the tip 33 being located at a radially outer end of the main blade 3, the root 34 being located at a radially inner end of the main blade 3 and being connected to the hub 4. The main blade 3 includes a plurality of first blades 35 and a plurality of second blades 36, and the first blades 35 and the second blades 36 are circumferentially spaced; the main blade 3 is a twisted three-dimensional blade, and the radial outer widths S1 and S2 of the first blade 35 and the second blade 36 are larger than the radial inner widths thereof; the width S1 of the first vane 35 is greater than the width S2 of the second vane 36 on a circumference of the same radial dimension; the main blade structure can effectively increase the air quantity of the fan, change the pressure distribution among the main blades 3 and enable the pressure distribution to be more uniform.
The top 33 of the first and second blades 35, 36 is provided with an auxiliary blade 37, the thickness of the auxiliary blade 37 in the fan rotation direction R is variable, the thickness T1 of the auxiliary blade 37 near the front edge (or on the upstream side in the fan rotation direction) in the fan rotation direction R is greater than the thickness T2 of the auxiliary blade 37 near the rear edge, preferably T2= (0.35-0.40) T1, such as 0.37T1, the taper angle of the auxiliary blade 37 is 4-8 °, preferably about 6 °, the upstream side of the auxiliary blade 37 in the fan rotation direction R is provided with a first arc portion 38, and the first arc portion 38 is located radially inside the auxiliary blade 37 in the thickness direction thereof, the auxiliary blade 37 has a height H which is about 3 times the thickness of the main blade 3, the auxiliary blade 37 is integrally formed with the main blade 3, the auxiliary blade 37 is disposed perpendicularly to or inclined at an angle of 85-89 °, the end of the auxiliary blade 37 in the height direction thereof which is not connected to the main blade 3 is provided with a second arc portion 39, the second arc-shaped part 39 is located at the radial outer side of the auxiliary blade 37 in the thickness direction, the auxiliary blade 37 is located at one side of the pressure surface of the main blade 3, and the auxiliary blade structure can reduce the turbulence at the top of the blade and improve the pressure distribution of the pressure surface and the negative pressure surface of the blade.
The heat dissipation device for the automobile engine effectively increases the air volume of the fan, changes the pressure distribution among the main blades, makes the pressure distribution more uniform, reduces the turbulent flow at the tops of the blades, and improves the pressure distribution of the pressure surfaces and the negative pressure surfaces of the blades.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any configuration simply modified from the present invention falls within the scope of the present invention.
Claims (6)
1. A heat dissipating double-fuselage for car engine, it includes the fan (1), heat exchanger (2), the fan locates at one side of heat exchanger, the left and right sides of the heat exchanger have first air-cooling fin (7), second air-cooling fin (8) separately, the upside has liquid inlet of heat exchange (9), the underside has liquid outlet of heat exchange (10); the fan comprises a hub (4), main blades (3) and a rotating shaft (5), wherein the main blades are positioned on the periphery of the hub and extend along the radial direction, the rotating shaft is connected with a power driving device, the main blades are twisted three-dimensional blades, the width of the radial outer side of each main blade is larger than that of the radial inner side of each main blade, each main blade comprises a plurality of first blades (35) and a plurality of second blades (36), and the first blades and the second blades are arranged at intervals along the circumference; on the circumference of the same radial dimension, the width S1 of the first blade is greater than the width S2 of the second blade, and the characteristics are that: the tops (33) of the first blades 35 and the second blades 36 are provided with auxiliary blades (37), and the radial thickness of the auxiliary blades along the rotating direction R of the fan is variable; in the direction of fan rotation, the thickness T1 of the secondary blade near the leading edge is greater than the thickness T2 of the secondary blade near the trailing edge, which is on the pressure side of the primary blade.
2. The heat dissipating device for an automobile engine as set forth in claim 1, wherein: the upstream side of the auxiliary blade in the fan rotation direction R is provided with a first arc-shaped part (38), and the first arc-shaped part is positioned on the radial inner side of the auxiliary blade in the thickness direction.
3. The heat dissipating device for an automobile engine as set forth in claim 1, wherein: the auxiliary blade has a height H equal to 3 times the thickness of the main blade.
4. A heat dissipating device for an automotive engine as defined in claim 3, wherein: the auxiliary blade is provided with a second arc-shaped part (39) at one end which is not connected with the main blade in the height direction of the auxiliary blade, and the second arc-shaped part is positioned at the radial outer side of the auxiliary blade in the thickness direction of the auxiliary blade.
5. A heat dissipating device for an automotive engine as defined in claim 3, wherein: the auxiliary blade and the main blade are integrally formed.
6. The heat dissipating device for an automobile engine as set forth in claim 1, wherein: the thickness T2= (0.35-0.40) T1, and the taper angle of the auxiliary blade in the circumferential direction is 4-8 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629468.2A CN111828162B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
| CN201810692873.1A CN108868997B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692873.1A CN108868997B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629468.2A Division CN111828162B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108868997A CN108868997A (en) | 2018-11-23 |
| CN108868997B true CN108868997B (en) | 2020-08-04 |
Family
ID=64296916
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810692873.1A Active CN108868997B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
| CN202010629468.2A Active CN111828162B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629468.2A Active CN111828162B (en) | 2018-06-29 | 2018-06-29 | Heat radiator for be used for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108868997B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022174A (en) * | 2019-04-09 | 2020-04-17 | 长城汽车股份有限公司 | Vehicle radiator and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1522343A (en) * | 2002-02-28 | 2004-08-18 | ͬ�Ϳ�ҵ��ʽ���� | Fan |
| CN1908445A (en) * | 2005-08-03 | 2007-02-07 | 三菱重工业株式会社 | Propeller fan for heat exchanger of in-vehicle air conditioner |
| CN207500186U (en) * | 2017-11-27 | 2018-06-15 | 珠海格力电器股份有限公司 | Blade structure and air conditioner with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4726506B2 (en) * | 2005-02-03 | 2011-07-20 | サンデン株式会社 | Centrifugal multi-blade fan |
| TWI328081B (en) * | 2007-04-04 | 2010-08-01 | Delta Electronics Inc | Fan and impeller thereof |
| KR20080090648A (en) * | 2007-04-05 | 2008-10-09 | 현대중공업 주식회사 | Changeable spacer for cooling fan |
| CN100560986C (en) * | 2007-12-26 | 2009-11-18 | 西安交通大学 | A kind of axial fan that is used for cooling electronic component |
| TW201016114A (en) * | 2008-10-03 | 2010-04-16 | Foxconn Tech Co Ltd | Heat dissipation fan and heat dissipation device having the same |
| DE102008043459A1 (en) * | 2008-11-04 | 2010-05-06 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Impeller for axial fan, has wing wheel hub and multiple impeller blades which are arranged at wing wheel hub in circumferential direction |
| CN101691874A (en) * | 2009-07-14 | 2010-04-07 | 广东顺威精密塑料股份有限公司 | Axial flow wind wheel with improved blades |
| CN103742202A (en) * | 2013-12-30 | 2014-04-23 | 汉捷机械部件（常州）有限公司 | Pressure impeller with non-uniformly distributed blades |
| CN103836004B (en) * | 2014-02-27 | 2016-05-11 | 长城汽车股份有限公司 | Water pump |
| CN204553334U (en) * | 2015-03-11 | 2015-08-12 | 广东美的制冷设备有限公司 | Axial-flow windwheel and the air conditioner with it |
| EP3104013A1 (en) * | 2015-06-12 | 2016-12-14 | Mahle International GmbH | Electric machine for a vehicle |
| CN205154745U (en) * | 2015-09-22 | 2016-04-13 | 东莞动利电子有限公司 | Structure is promoted to axial fan's complex flabellum amount of wind |
| CN105443437A (en) * | 2015-12-01 | 2016-03-30 | 芜湖德鑫汽车部件有限公司 | Automobile fan impeller |
| JP6849366B2 (en) * | 2016-09-29 | 2021-03-24 | 山洋電気株式会社 | Reversible flow fan |
| US20180100515A1 (en) * | 2016-10-07 | 2018-04-12 | Anthony R. Woods | High Efficiency Fan |
| CN206221361U (en) * | 2016-11-09 | 2017-06-06 | 广东美的暖通设备有限公司 | Axial-flow windwheel and the air-conditioner with axial-flow windwheel |
-
2018
- 2018-06-29 CN CN201810692873.1A patent/CN108868997B/en active Active
- 2018-06-29 CN CN202010629468.2A patent/CN111828162B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1522343A (en) * | 2002-02-28 | 2004-08-18 | ͬ�Ϳ�ҵ��ʽ���� | Fan |
| CN1908445A (en) * | 2005-08-03 | 2007-02-07 | 三菱重工业株式会社 | Propeller fan for heat exchanger of in-vehicle air conditioner |
| CN207500186U (en) * | 2017-11-27 | 2018-06-15 | 珠海格力电器股份有限公司 | Blade structure and air conditioner with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111828162A (en) | 2020-10-27 |
| CN111828162B (en) | 2022-01-28 |
| CN108868997A (en) | 2018-11-23 |
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