WO2012163001A1 - 散热风扇及应用散热风扇的电机 - Google Patents
散热风扇及应用散热风扇的电机 Download PDFInfo
- Publication number
- WO2012163001A1 WO2012163001A1 PCT/CN2011/080661 CN2011080661W WO2012163001A1 WO 2012163001 A1 WO2012163001 A1 WO 2012163001A1 CN 2011080661 W CN2011080661 W CN 2011080661W WO 2012163001 A1 WO2012163001 A1 WO 2012163001A1
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- WIPO (PCT)
- Prior art keywords
- blade
- bottom plate
- small
- cooling fan
- blades
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Definitions
- the utility model relates to a novel cooling fan and an application motor thereof.
- the motor shaft is supported on the central mounting hole of the cooling fan to drive the cooling fan to rotate, which dissipates heat to the motor.
- the cooling fan is bulky and takes up too much space.
- the motor is bulky and the structure is not compact; 2)
- the motor winding heat dissipation effect is not good, and the motor temperature is raised; 3)
- the stator winding end face and the inner side of the motor cannot be radiated at the same time, and the heat dissipation effect is poor.
- An object of the present invention is to provide a novel cooling fan which has a single structure, is convenient to install, and has a small volume, and at the same time dissipates heat to the end face and the inner side of the motor winding, and has a good heat dissipation effect.
- the heat dissipation fan of the present invention is realized by the following technical solutions.
- a new type of cooling fan includes a bottom plate and a fixing base protruding from the middle of the bottom plate.
- the bottom plate and the fixing base are provided with mounting holes, and a plurality of blades are protruded on the outer periphery of the fixing base and the bottom surface of the bottom plate, and the blades include large blades and small The blade, the large blade is close to the fixed seat, and the width L2 of the small blade is smaller than the width L1 of the large blade.
- the large blade end portion described above is connected to the outer surface of the fixed seat by a connecting portion, the large blade tail portion is connected to the small blade, and the small blade extends out of the bottom plate.
- the above-mentioned vane spacing is evenly distributed on the bottom plate and extends radially.
- the large and small blades described above are curved through an arc.
- the bottom plate, the fixing seat and the fan blade described above are integrally injection molded.
- the heat dissipation fan of the utility model has the following effects: 1)
- the utility model comprises a bottom plate and a fixing seat protruding from the middle of the bottom plate, and a mounting hole is arranged on the bottom plate and the fixing seat, at the periphery of the fixing seat and the bottom plate a plurality of blades are protruded from the bottom surface, the blades include large blades and small blades, and the large blades are close to the fixed seat.
- the width L2 of the small blades is smaller than the width L1 of the large blades, and the structure is simple, and the installation is convenient.
- the utility model has the advantages of small volume, heat dissipation to the end face and the inner side of the motor winding, and good heat dissipation effect; 2) the air blade spacing is evenly distributed on the bottom plate, radially extending, uniform force, good heat dissipation effect; 3) the bottom plate, the fixing seat and the fan blade are integrally molded Forming, low cost, suitable for mass production.
- Another object of the present invention is to provide a motor using a novel cooling fan which is compact in structure and has a good heat dissipation effect.
- the motor of the present invention is realized by the following technical solutions.
- a motor using a novel cooling fan comprising a cooling fan, a stator core, a stator winding, a rotor assembly, a rotating shaft, a front end cover and a rear end cover, the stator winding is wound on the stator core, and the rotor assembly is nested in the stator core
- the rotating shaft passes through the middle of the rotor assembly, and the front end cover and the rear end cover are connected and connected together, and a cavity is formed between the front end cover or the rear end cover and the stator winding, and the fan blade is mounted on the rotating shaft and placed in the cavity.
- the heat dissipating fan comprises a bottom plate and a fixing base protruding from the middle of the bottom plate.
- the bottom plate and the fixing base are provided with mounting holes, and a plurality of blades are protruded on the outer periphery of the fixing base and the bottom surface of the bottom plate, and the fan blades include large blades and small blades, The blade is adjacent to the fixed seat, and the width L2 of the small blade is smaller than the width L1 of the large blade.
- the large blade end portion described above is connected to the outer surface of the fixed seat by a connecting portion, the large blade tail portion is connected to the small blade, and the small blade extends out of the bottom plate.
- the above-mentioned vane spacing is evenly distributed on the bottom plate and extends radially.
- the large and small blades described above are curved through an arc.
- the bottom plate, the fixing seat and the fan blade described above are integrally injection molded.
- the motor includes a cooling fan, a stator core, a stator winding, a rotor assembly, a rotating shaft, a front end cover and a rear end cover, and the stator winding is wound around the stator core Upper, the rotor assembly is nested in the stator core, the rotating shaft passes through the middle of the rotor assembly, the front end cover and the rear end cover are connected and mounted together, and a cavity is formed between the front end cover or the rear end cover and the stator winding, and the fan blade is installed at a cooling fan includes a bottom plate and a fixing seat protruding from a middle of the bottom plate, and a mounting hole is arranged on the bottom plate and the fixing base, and a plurality of blades are protruded on a periphery of the fixing base and a bottom surface of the bottom plate, The blade includes large blades and small blades, and the large blades are close to the fixed seat.
- the width L2 of the small blades is smaller than the width L1 of the large blades.
- the structure is simple and compact, and the heat dissipation effect is good; 2) the bottom plate, The fixed seat and the blade are integrally injection molded, which is low in cost and suitable for mass production.
- FIG. 1 is a perspective view of a heat dissipation fan of the present invention.
- FIG. 2 is a structural view of the cooling fan of the present invention.
- Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
- Figure 4 is a perspective view of the motor of the present invention.
- Figure 5 is an exploded view of the motor of the present invention.
- a novel cooling fan includes a bottom plate 11 and a fixing seat 13 protruding from the middle of the bottom plate 11.
- the bottom plate 11 and the fixing base 13 are provided with mounting holes 12 at the fixing base 13.
- a plurality of blades 14 are protruded from the bottom surface of the bottom plate 11 and the blade 14 includes a large blade 141 and a small blade 142.
- the large blade 141 is adjacent to the fixed seat 13.
- the width L2 of the small blade 142 is smaller than the width L1 of the large blade 141.
- the end portion of the 141 is connected to the outer surface of the fixing base 13 through the connecting portion 15, the tail portion of the large blade 141 is connected with the small blade 142, and the small blade 142 extends out of the bottom plate 11; the air blades 14 are evenly distributed on the bottom plate 11 and extend radially;
- the large blade 141 and the small blade 142 pass through an arc-shaped transition;
- the bottom plate 11, the fixed seat 13 and the air blade 14 are integrally injection-molded; the structure is simple, easy to install, small in size, and at the same time heats the end face and the inner side of the stator winding of the motor, and has good heat dissipation effect. .
- a motor using a novel cooling fan including a cooling fan 1, a stator core 2, a stator winding 3, a rotor assembly 4, a rotating shaft 5, a front end cover 6 and a rear end cover 7, and a stator winding 3 Wrapped around the stator core 2, the rotor assembly 4 is nested in the stator core 2, the rotating shaft 5 passes through the middle of the rotor assembly 4, and the front end cover 6 and the rear end cover 7 are connected and mounted together, the front end cover 6 or the rear end cover A cavity 8 is formed between the stator winding 3 and the stator winding 3.
- the fan blade 1 is mounted on the rotating shaft 5 and disposed in the cavity 8.
- the cooling fan 1 includes a bottom plate 11 and a fixing seat 13 protruding from the middle of the bottom plate 11.
- the bottom plate 11 A mounting hole 12 is defined in the fixing base 13, and a plurality of blades 14 are protruded on the outer periphery of the fixing base 13 and the bottom surface of the bottom plate 11.
- the blade 14 includes a large blade 141 and a small blade 142, and the large blade 141 is close to the fixing seat 13, small
- the width L2 of the blade 142 is smaller than the width L1 of the large blade 141; the end of the large blade 141 passes
- the connecting portion 15 is connected to the outer surface of the fixing seat 13, the tail portion of the large blade 141 is connected to the small blade 142, and the small blade 142 extends out of the bottom plate 11; the air blades 14 are evenly distributed on the bottom plate 11 to extend radially; the large blade 141
- the small blade 142 is curved through the arc; the bottom plate 11, the fixed seat 13 and the air blade 14 are integrally injection molded, and the motor has a compact structure and a good heat dissipation effect.
- the cooling fan 1 of the present invention is mounted on the motor shaft 5, the blade 14 is perpendicular to the end surface of the rotor assembly 4, the blade 14 includes a large blade 141 and a small blade 142, and the large blade 141 extends into the inner circumference of the stator winding 3 of the motor.
- the blade 142 covers the end of the stator winding 3.
- the rotating shaft 5 drives the cooling fan 1 to rotate, and the cooling fan 1 better dissipates heat to the internal and end portions of the stator winding 3, thereby greatly reducing the temperature rise of the motor and improving the motor. Work efficiency.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
一种散热风扇,包括底板(11)和从底板(11)中间凸出的固定座(13),底板(11)和固定座(13)上设置安装孔(12),在固定座(13)的外围、底板(11)的底面上凸出若干风叶(14),风叶(14)包括大叶片(141)和小叶片(142),大叶片(141)靠近固定座(13),小叶片(142)的宽度L2小于大叶片(141)的宽度Ll。还公开了一种应用散热风扇的电机。散热风扇的结构简单,安装方便,体积小,使电机结构紧凑,同时给电机定子绕组端面和内侧面散热,散热效果好。
Description
散热风扇及应用散热风扇的电机
技术领域:
本实用新型涉及一种新型散热风扇及其应用电机。
背景技术:
目前, 大多数电机内部都设置有散热风扇, 电机转轴支承在散热风扇的 中部安装孔上带动散热风扇旋转, 给电机散热, 但是, 存在以下问题: 1 ) 散热风扇体积较大, 占用太多空间, 导致电机体积较大, 结构不紧凑; 2 ) 电机绕组散热效果不好, 电机温升高; 3 ) 不能同时给电机定子绕组端面和 内侧面散热, 散热效果差。
发明内容:
本实用新型的一个目的是提供一种新型散热风扇, 它结构筒单, 安装方 便, 体积小, 同时给电机绕组端面和内侧面散热, 散热效果好。
本实用新型的散热风扇是通过下述技术方案予以实现的。
一种新型散热风扇, 包括底板和从底板中间凸出的固定座, 底板和固定 座上设置安装孔, 在固定座的外围、 底板的底面上凸出若干风叶, 风叶包括 大叶片和小叶片, 大叶片靠近固定座, 小叶片的宽度 L2小于大叶片的宽度 Ll。
上述所述的大叶片端部通过连接部连接在固定座的外表面上, 大叶片尾 部与小叶片连接, 小叶片延伸出底板。
上述所述的风叶间隔均匀分布在底板上, 呈放射状延伸。
上述所述的大叶片和小叶片通过弧形过渡。
上述所述的底板、 固定座和风叶一体注塑成型。
本实用新型散热风扇与现有技术相比, 具有如下效果: 1 )本实用新型 包括底板和从底板中间凸出的固定座, 底板和固定座上设置安装孔, 在固定 座的外围、 底板的底面上凸出若干风叶, 风叶包括大叶片和小叶片, 大叶片 靠近固定座, 小叶片的宽度 L2小于大叶片的宽度 L1 , 结构筒单, 安装方便,
体积小, 同时给电机绕组端面和内侧面散热, 散热效果好; 2 )风叶间隔均 匀分布在底板上, 呈放射状延伸, 受力均匀, 散热效果好; 3 )底板、 固定 座和风叶一体注塑成型, 成本低廉, 适用于批量生产。
本实用新型的另一目的是提供一种应用新型散热风扇的电机, 该电机结 构紧凑, 散热效果好。
本实用新型的电机是通过下述技术方案予以实现的。
一种应用新型散热风扇的电机, 包括散热风扇、 定子铁芯, 定子绕组、 转子组件、 转轴、 前端盖和后端盖, 定子绕组卷绕在定子铁芯上, 转子组件 嵌套在定子铁芯里, 转轴从转子组件中间穿过, 前端盖和后端盖连接安装在 一起, 前端盖或者后端盖与定子绕组之间形成空腔, 风叶安装在转轴上, 置 于空腔里, 所述散热风扇包括底板和从底板中间凸出的固定座, 底板和固定 座上设置安装孔, 在固定座的外围、 底板的底面上凸出若干风叶, 风叶包括 大叶片和小叶片, 大叶片靠近固定座, 小叶片的宽度 L2小于大叶片的宽度 Ll。
上述所述的大叶片端部通过连接部连接在固定座的外表面上, 大叶片尾 部与小叶片连接, 小叶片延伸出底板。
上述所述的风叶间隔均匀分布在底板上, 呈放射状延伸。
上述所述的大叶片和小叶片通过弧形过渡。
上述所述的底板、 固定座和风叶一体注塑成型。
本实用新型的电机与现有技术相比, 具有如下效果: 1 ) 电机包括散热 风扇、 定子铁芯, 定子绕组、 转子组件、 转轴、 前端盖和后端盖, 定子绕组 卷绕在定子铁芯上,转子组件嵌套在定子铁芯里,转轴从转子组件中间穿过, 前端盖和后端盖连接安装在一起, 前端盖或者后端盖与定子绕组之间形成空 腔, 风叶安装在转轴上, 置于空腔里, 所述散热风扇包括底板和从底板中间 凸出的固定座, 底板和固定座上设置安装孔, 在固定座的外围、 底板的底面 上凸出若干风叶, 风叶包括大叶片和小叶片, 大叶片靠近固定座, 小叶片的 宽度 L2小于大叶片的宽度 L1 , 它结构筒单、 紧凑, 散热效果好; 2 )底板、
固定座和风叶一体注塑成型, 成本低廉, 适用于批量生产。
附图说明:
图 1 是本实用新型散热风扇立体图。
图 2 是本实用新型散热风扇结构图。
图 3 是图 2的 A-A剖视图。
图 4 是本实用新型电机立体图。
图 5 是本实用新型电机分解图。
具体实施方式: 下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。 如图 1、 图 2和图 3所示, 一种新型散热风扇, 包括底板 11和从底板 11中间凸出的固定座 13, 底板 11和固定座 13上设置安装孔 12, 在固定座 13的外围、 底板 11的底面上凸出若干风叶 14, 风叶 14包括大叶片 141和 小叶片 142, 大叶片 141靠近固定座 13, 小叶片 142的宽度 L2小于大叶片 141的宽度 L1;大叶片 141端部通过连接部 15连接在固定座 13的外表面上, 大叶片 141尾部与小叶片 142连接, 小叶片 142延伸出底板 11; 风叶 14间 隔均匀分布在底板 11上, 呈放射状延伸; 大叶片 141和小叶片 142通过弧 形过渡; 底板 11、 固定座 13和风叶 14一体注塑成型; 该结构筒单, 安装方 便, 体积小, 同时给电机定子绕组端面和内侧面散热, 散热效果好。
结合图 1至图 5, —种应用新型散热风扇的电机, 包括散热风扇 1、 定 子铁芯 2, 定子绕组 3、 转子组件 4、 转轴 5、 前端盖 6和后端盖 7, 定子绕 组 3卷绕在定子铁芯 2上, 转子组件 4嵌套在定子铁芯 2里, 转轴 5从转子 组件 4中间穿过, 前端盖 6和后端盖 7连接安装在一起, 前端盖 6或者后端 盖 7与定子绕组 3之间形成空腔 8,风叶 1安装在转轴 5上,置于空腔 8里, 所述散热风扇 1包括底板 11和从底板 11中间凸出的固定座 13, 底板 11和 固定座 13上设置安装孔 12, 在固定座 13的外围、 底板 11的底面上凸出若 干风叶 14, 风叶 14包括大叶片 141和小叶片 142, 大叶片 141靠近固定座 13, 小叶片 142的宽度 L2小于大叶片 141的宽度 L1; 大叶片 141端部通过
连接部 15连接在固定座 1 3的外表面上,大叶片 141尾部与小叶片 142连接, 小叶片 142延伸出底板 11 ; 风叶 14间隔均匀分布在底板 11上,呈放射状延 伸; 大叶片 141和小叶片 142通过弧形过渡; 底板 11、 固定座 1 3和风叶 14 一体注塑成型, 该电机结构紧凑, 散热效果好。
本实用新型的散热风扇 1安装在电机转轴 5上, 风叶 14与转子组件 4端面 垂直, 风叶 14包括大叶片 141和小叶片 142 , 大叶片 141伸入电机定子绕组 3内 圓部位, 小叶片 142覆盖定子绕组 3端部, 在电机运转过程中, 转轴 5带动散 热风扇 1旋转, 散热风扇 1更好的对定子绕组 3内部和端部散热, 大幅度降低 了电机温升, 提高了电机的工作效率。
Claims
1. 一种新型散热风扇, 包括底板( 11 )和从底板( 11 ) 中间凸出的固定座
( 13), 底板(11 )和固定座(13)上设置安装孔(U), 在固定座(13) 的外围、底板(11 )的底面上凸出若干风叶(14),其特征在于:风叶(14 ) 包括大叶片 (141 )和小叶片 (142 ), 大叶片 (141 ) 靠近固定座(13), 小叶片 (142) 的宽度 L2小于大叶片 (141 ) 的宽度 Ll。
2. 根据权利要求 1所述的一种新型散热风扇, 其特征在于: 大叶片 (141 ) 端部通过连接部 (15 )连接在固定座(13) 的外表面上, 大叶片 (141 ) 尾部与小叶片 (142)连接, 小叶片 (142)延伸出底板(11)。
3. 根据权利要求 1或 2所述的一种新型散热风扇, 其特征在于: 风叶(14) 间隔均匀分布在底板(11 )上, 呈放射状延伸。
4. 根据权利要求 1或 2所述的一种新型散热风扇,其特征在于:大叶片( 141 ) 和小叶片 (142)通过弧形过渡。
5. 根据权利要求 1或 2所述的一种新型散热风扇,其特征在于:底板( 11 )、 固定座(13)和风叶 (14)一体注塑成型。
6. 一种应用了权利要求 1所述新型散热风扇的电机, 包括散热风扇 (1)、 定子铁芯 ( 2 ), 定子绕组( 3 )、 转子组件( 4 )、 转轴( 5 )、 前端盖( 6 ) 和后端盖( 7 ), 定子绕组( 3 )卷绕在定子铁芯 ( 2 )上, 转子组件( 4 ) 嵌套在定子铁芯( 2 )里, 转轴( 5 )从转子组件( 4 ) 中间穿过, 前端盖
( 6 )和后端盖 ( 7 )连接安装在一起, 前端盖 ( 6 )或者后端盖( 7 )与 定子绕组( 3 )之间形成空腔( 8 ), 风叶( 1 )安装在转轴( 5 )上, 置于 空腔( 8 )里, 所述散热风扇 ( 1 ) 包括底板( 11 )和从底板( 11 ) 中间 凸出的固定座(13), 底板(11 )和固定座(13)上设置安装孔(12 ), 在固定座(13)的外围、 底板(11 )的底面上凸出若干风叶(l , 其特 征在于: 风叶(14) 包括大叶片 (141 )和小叶片 (142), 大叶片 (141 ) 靠近固定座(13), 小叶片 (142) 的宽度 L2小于大叶片 (141 ) 的宽度 Ll。
7. 根据权利要求 6所述的一种电机, 其特征在于: 大叶片 (141 )端部通过 连接部(15)连接在固定座(13)的外表面上, 大叶片 (141 )尾部与小 叶片 (142)连接, 小叶片 (142)延伸出底板(11)。
8. 根据权利要求 6或 7所述的一种电机, 其特征在于: 风叶 ( 14 ) 间隔均 匀分布在底板(11 )上, 呈放射状延伸。
9. 根据权利要求 6或 7所述的一种电机, 其特征在于: 大叶片 (141 )和小 叶片 (142)通过弧形过渡。
10. 根据权利要求 6或 7所述的一种电机, 其特征在于: 底板( 11 )、 固 定座(13)和风叶 (14)一体注塑成型。
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