CN104654433B - 带有曲折散热部的散热片及使用该散热片的电热油汀 - Google Patents

带有曲折散热部的散热片及使用该散热片的电热油汀 Download PDF

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CN104654433B
CN104654433B CN201410855616.7A CN201410855616A CN104654433B CN 104654433 B CN104654433 B CN 104654433B CN 201410855616 A CN201410855616 A CN 201410855616A CN 104654433 B CN104654433 B CN 104654433B
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radiating part
heat sink
tortuous
lower terminal
complications
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CN104654433A (zh
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姚国宁
毛佳雷
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Ningbo Singfun Electric Appliance Co Ltd
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Ningbo Singfun Electric Appliance Co Ltd
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Priority to JP2015235533A priority patent/JP6139644B2/ja
Priority to EP15198325.1A priority patent/EP3040639B1/en
Priority to US14/970,249 priority patent/US10190831B2/en
Priority to RU2015154529A priority patent/RU2623135C2/ru
Priority to KR1020150182628A priority patent/KR101964781B1/ko
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/002Air heaters using electric energy supply
    • F24H3/004Air heaters using electric energy supply with a closed circuit for a heat transfer liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0308Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05358Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/048Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F28F3/083Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning capable of being taken apart
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12Elements constructed in the shape of a hollow panel, e.g. with channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00Electric heating systems
    • F24D13/04Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/008Details related to central heating radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0226Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with an intermediate heat-transfer medium, e.g. thermosiphon radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators

Abstract

带有曲折散热部的散热片及使用该散热片的电热油汀,包括本体,所述本体内成型有导油槽,所述本体的上、下两端设有沿水平方向延伸的连接套管,所述本体至少一端的边缘至中部一定距离的区域形成曲折散热部,所述曲折散热部的上、下两端位于不同的铅垂平面内;或所述曲折散热部的上、下两端位于同一铅垂平面内,其中间至少一部分为弯曲状,形成向侧面凸起的结构。按照本发明提供的带有曲折散热部的散热片与现有技术相比具有如下优点:本发明通过在散热片任意一端的边缘至中部一定距离的区域形成曲折散热部,当该种散热片多个连接在一起时,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热。

Description

带有曲折散热部的散热片及使用该散热片的电热油汀
技术领域
本发明涉及散热片,尤其涉及带有曲折散热部的散热片,本发明还涉及用上述散热片的电热油汀。
背景技术
充油式电热取暖器,即现在称为电热油汀。其具有环保、无噪音等特点而在全球得到广泛使用,每年全球生产4000万台。这种电热油汀一般由多片散热片组装而成,各散热片之间形成有间隙,通过散热片上下两端的中空的连接套管连接在一起,每一片散热片形成有空腔,其内充装有导热油。电加热组件浸泡在导热油中,通过加热导热油来传递热量。但是该种散热片的散热面积有效,供热范围不大,热导流效果不是很理想。如果单纯的扩大散热片的表面积,不仅会增加能耗,扩大占用空间,并且会降低散热片的机械强度。
如中国专利号CN200920141585.3的实用新型专利,公告日为2010年1月20日,公开的一种取暖器的散热片,包括散热片,其中散热片的上部和下部装设有中空连接套,其特征在于所述散热片的两侧对称折边。上述技术方案将散热片的两侧对称折边,使散热片在不增加占用空间的情况下,提高产品的是散热面积,并且折边的设计能够使相邻的两个散热片之间形成烟囱式的散热通道,以此来提高散热片的散热效率。但是该种方案的电热油汀会使热空气较多的分散在油汀上方,油汀侧面周围的热辐射半径将大大缩小;当油汀上方置放烘衣架或其他物件时,将严重阻碍散热通道的对流效应,影响油汀的散热效率,导致油汀内部温度过高,缩短产品的使用寿命。
发明内容
本发明所要解决的技术问题在于克服上述现有技术之不足,提供带有曲折散热部的散热片,该散热片的散热面积大,机械强度高,多个该种散热片连接构成散热体时,能够实现辐射式和对流式相结合的散热方式。
本发明所要解决的技术问题在于克服上述现有技术之不足,提供一种电热油汀,该种电热油汀中散热片上形成有曲折散热部,能够实现辐射式和对流式相结合的散热方式。
按照本发明提供的带有曲折散热部的散热片采用的主要技术方案为:包括本体,所述本体内成型有导油槽,所述本体的上、下两端设有沿水平方向延伸的连接套管,所述本体至少一端的边缘至中部一定距离的区域形成曲折散热部,所述曲折散热部的上、下两端位于不同的铅垂平面内;或所述曲折散热部的上、下两端位于同一铅垂平面内,其中间至少一部分为弯曲状,形成向侧面凸起的结构,所述曲折散热部占所述本体总面积的10%-80%。
本发明提供的带有曲折散热部的散热片还采用如下附属技术方案:
所述曲折散热部的上、下两端位于不同的铅垂平面内,二者由一扭曲部连接,所述扭曲部包括方向相反的两个掰弯部。
所述上端的所在平面与所述下端的所在平面之间的夹角为5-85度。
所述曲折散热部的上、下两端位于同一铅垂平面内,二者由一弯曲部连接,所述弯曲部包括方向相同的两个掰弯部。
所述上、下两端的垂直投影与所述弯曲部的垂直投影之间的夹角为5-85度。
所述弯曲部的顶点至所述上端和下端所在平面的距离为5-70mm。
所述曲折散热部的上、下两端位于同一铅垂平面内,二者由多个弯曲部连接,所述弯曲部包括方向相同的两个掰弯部。
相邻的两个所述弯曲部的弯曲方向相反。
所述上、下两端的垂直投影与所述弯曲部的垂直投影之间的夹角为5-85度。
所述弯曲部的顶点至所述上端和下端所在平面的距离为5-70mm。
所述本体中部设有环形封闭部,所述环形封闭部将所述本体分为散热部和导油部,所述环形封闭部内侧为导油部,所述环形封闭部外侧为散热部,所述本体至少有一端的散热部为所述曲折散热部。
所述本体包括散热大片和焊接在所述散热大片上的散热小片,所述散热大片中部设有所属环形封闭部,所述散热小片周边与所述环形封闭部焊接,在所述散热大片上位于所述环形封闭部外侧的部分为所述散热部。
所述曲折散热部横向任意位置的纵向截面形成的曲线轨迹均不重合。
所述曲折散热部为冲压拉伸成型。
按照本发明提供的电热油汀采用的主要技术方案为:包括散热体、安装在所述散热体内的加热组件,设置在所述散热体上的电控组件,所述散热体包括多个依次连接的带有曲折散热部的散热片,所述带有曲折散热部的散热片包括本体,所述本体内成型有导油槽,所述本体的上、下两端设有沿水平方向延伸的连接套管,所述本体至少一端的边缘至中部一定距离的区域形成曲折散热部,所述曲折散热部的上、下两端位于不同的铅垂平面内;或所述曲折散热部的上、下两端位于同一铅垂平面内,其中间至少一部分为弯曲状,形成向侧面凸起的结构。
按照本发明提供的带有曲折散热部的散热片与现有技术相比具有如下优点:本发明通过在散热片任意一端的边缘至中部一定距离的区域形成曲折散热部,不仅扩大了散热片的散热面积,加强了散热片的机械强度;当该种散热片多个连接在一起时,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热,使使用者更能直接感受到热量,该结构还能够避免散热体表面温度过高,散热体对周围的热辐射更均匀,提高了散热体的散热效率。
按照本发明提供的电热油汀与现有技术相比具有如下优点:本发明中带有曲折散热部的散热片,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热,使使用者更能直接感受到热量,该结构还能够避免散热体表面温度过高,散热体对周围的热辐射更均匀,提高了散热体的散热效率。
附图说明
图1是本发明实施例一中散热片的结构图。
图2是本发明实施例一中散热片的正视图。
图3是本发明实施例一中散热片的侧视图。
图4是本发明实施例一中散热片的俯视图。
图5是本发明实施例一中散热体一种装配方式的结构图。
图6是本发明实施例一中散热体另一种装配方式的结构图。
图7是本发明实施例二中散热片的结构图。
图8是本发明实施例二中散热片的正视图。
图9是本发明实施例二中散热片的侧视图。
图10是本发明实施例二中散热片的俯视图。
图11是本发明实施例二中散热体一种装配方式的结构图。
图12是本发明实施例二中散热体另一种装配方式的结构图。
图13是本发明实施例三中散热片的结构图。
图14是本发明实施例三中散热片的正视图。
图15是本发明实施例三中散热片的侧视图。
图16是本发明实施例三中散热片的俯视图。
图17是本发明实施例三中散热体一种装配方式的结构图。
图18是本发明实施例三中散热体另一种装配方式的结构图。
具体实施方式
实施例一
参见图1至图6,按照本发明提供的带有曲折散热部的散热片实施例,包括本体1,所述本体1内成型有导油槽2,所述本体1的上、下两端11、12设有沿水平方向延伸的连接套管3,所述本体1任意一端的边缘至中部一定距离的区域形成曲折散热部,所述曲折散热部的上、下两端11、12位于不同的铅垂平面内,二者由一扭曲部4连接,所述扭曲部4包括方向相反的两个掰弯部6,本发明通过在散热片任意一端的边缘至中部一定距离的区域形成曲折散热部,不仅扩大了散热片的散热面积,加强了散热片的机械强度;当该种散热片多个连接在一起时,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热,使使用者更能直接感受到热量,该结构还能够避免散热体表面温度过高,散热体对周围的热辐射更均匀,提高了散热体的散热效率,使电热油汀工作时其周围和上方的热辐射达到平衡。
所述曲折散热部占所述本体总面积的10%-80%,本实施例优选为40%。该范围内的曲折散热部既能均衡散热体的横向散热和纵向散热,又可以将保证散热效率。
所述上端的所在平面与所述下端的所在平面之间的夹角为5-85度,本实施例优选为36度;该角度既能保证相邻的两个散热片的上端或下端处的对流,又不会将扭曲部拉损。上述的上、下两端11、12,并非限定本体1的上、下两端11、12,只是限定其位置关系,也可为左、右两端;当曲折散热部位于本体1的左、右两端时,限定其上、下两端11、12位于不同的铅垂平面内;当曲折散热部位于本体1的上、下、右两端时,限定其左、右两端位于不同的铅垂平面内。
参见图1至图6,根据本发明上述的实施例,所述本体1中部设有环形封闭部,所述环形封闭部将所述本体1分为散热部14和导油部13,所述环形封闭部内侧为导油部13,所述环形封闭部外侧为散热部14,所述本体1至少有一端的散热部14为所述曲折散热部。本体1至少有一端的散热部14为曲折散热部,该结构可有效防止曲折散热部成型时带动的导油部13变形,避免导油槽2或连接套管3变形,防止焊接点崩开等现象,有助于提高产品的合格率及装配效率。
根据本发明上述的实施例,所述本体1包括散热大片和焊接在所述散热大片上的散热小片,所述散热大片中部设有所属环形封闭部,所述散热小片周边与所述环形封闭部焊接,在所述散热大片上位于所述环形封闭部外侧的部分为所述散热部。结构简单、装配方便,生产成本低;并且散热部为单层结构,便于曲折散热部的冲压拉伸成型。
根据本发明上述的实施例,所述环形封闭部为所述散热大片和所述散热小片上的焊接部。加工方便、连接牢靠、密封效果好、生产成本低。
参见图1至图6,根据本发明上述的实施例,所述曲折散热部横向任意位置的纵向截面形成的曲线轨迹均不重合。该结构的曲折散热部,便于成型,防止曲线散热部到达拉伸极限出现的破损。
参见图1至图6,根据本发明上述的实施例,所述曲折散热部为冲压拉伸成型。加工方便,生产成本低。
参见图1至图6,按照本发明提供的电热油汀实施例,包括散热体、安装在所述散热体内的加热组件,设置在所述散热体上的电控组件,所述散热体包括多个依次连接的油汀散热片,所述加热组件和电控组件均为现有技术中较为成熟的技术,此处不再赘述,本实施例中所述的油汀散热片为上述实施例中所述的带有曲折散热部的散热片,本发明中带有曲折散热部的散热片,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热,使使用者更能直接感受到热量,该结构还能够避免散热体表面温度过高,散热体对周围的热辐射更均匀,提高了散热体的散热效率。本发明中的散热片连接时有两种方式:一种是多个散热片依次连接,相邻的两个散热片中一个散热片的背面与另一个散热片的正面相对;另一种是多个散热片依次连接,相邻的两个散热片中一个散热片的背面与另一个散热片的背面相对,或一个散热片的正面与另一个散热片的正面相对。
实施例二
参见图7至图12,本实施例与上述实施例一大致相同,区别在于本实施例中所述曲折散热部的上、下两端11、12位于同一铅垂平面内,二者由一弯曲部5连接,所述弯曲部5包括方向相同的两个掰弯部6。所述上、下两端的垂直投影与所述弯曲部的垂直投影之间的夹角为5-85度,本实施例优选为36度;该角度既能保证相邻的两个散热片的上端或下端处的对流,又不会将扭曲部拉损。所述弯曲部5的顶点至所述上端和下端所在平面的距离为5-70mm,本实施例优选为20mm。本发明通过在散热片任意一端的边缘至中部一定距离的区域形成曲折散热部,不仅扩大了散热片的散热面积,加强了散热片的机械强度;当该种散热片多个连接在一起时,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热,使使用者更能直接感受到热量,该结构还能够避免散热体表面温度过高,散热体对周围的热辐射更均匀,提高了散热体的散热效率。
实施例三
参见图13至图18,本实施例与上述实施例一大致相同,区别在于本实施例中所述曲折散热部的上、下两端11、12位于同一铅垂平面内,二者由多个弯曲部5连接,相邻的两个所述弯曲部5的弯曲方向相反,所述弯曲部5包括方向相同的两个掰弯部6。所述上、下两端的垂直投影与所述弯曲部的垂直投影之间的夹角为5-85度,本实施例优选为36度,该角度既能保证相邻的两个散热片的上端或下端处的对流,又不会将扭曲部拉损。所述弯曲部的顶点至所述上端和下端所在平面的距离为5-70mm,本实施例优选为20mm。本发明通过在散热片任意一端的边缘至中部一定距离的区域形成曲折散热部,不仅扩大了散热片的散热面积,加强了散热片的机械强度;当该种散热片多个连接在一起时,能够实现辐射式和对流式相结合的散热方式,同时增强了散热体的横向散热和纵向散热,使使用者更能直接感受到热量,该结构还能够避免散热体表面温度过高,散热体对周围的热辐射更均匀,提高了散热体的散热效率。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行变化,本发明的范围由所附权利要求及其等同物限定。

Claims (13)

1.一种带有曲折散热部的散热片,包括本体,所述本体内成型有导油槽,所述本体的上、下两端设有沿水平方向延伸的连接套管,其特征在于:所述本体至少一端的边缘至中部一定距离的区域形成曲折散热部,所述曲折散热部的上、下两端位于不同的铅垂平面内;或所述曲折散热部的上、下两端位于同一铅垂平面内,其中间至少一部分为弯曲状,形成向侧面凸起的结构,所述曲折散热部占所述本体总面积的10%-80%,所述曲折散热部横向任意位置的纵向截面形成的曲线轨迹均不重合;
所述本体中部设有环形封闭部,所述环形封闭部将所述本体分为散热部和导油部,所述环形封闭部内侧为导油部,所述环形封闭部外侧为散热部,所述本体至少有一端的散热部为所述曲折散热部。
2.根据权利要求1所述的带有曲折散热部的散热片,其特征在于:所述曲折散热部的上、下两端位于不同的铅垂平面内,二者由一扭曲部连接,所述扭曲部包括方向相反的两个掰弯部。
3.根据权利要求2所述的带有曲折散热部的散热片,其特征在于:所述上端所在的平面与所述下端所在的平面之间的夹角为5-85度。
4.根据权利要求1所述的带有曲折散热部的散热片,其特征在于:所述曲折散热部的上、下两端位于同一铅垂平面内,二者由一弯曲部连接,所述弯曲部包括方向相同的两个掰弯部。
5.根据权利要求4所述的带有曲折散热部的散热片,其特征在于:所述上、下两端的垂直投影与所述弯曲部的垂直投影之间的夹角为5-85度。
6.根据权利要求4所述的带有曲折散热部的散热片,其特征在于:所述弯曲部的顶点至所述上端和下端所在平面的距离为5-70mm。
7.根据权利要求1所述的带有曲折散热部的散热片,其特征在于:所述曲折散热部的上、下两端位于同一铅垂平面内,二者由多个弯曲部连接,所述弯曲部包括方向相同的两个掰弯部。
8.根据权利要求7所述的带有曲折散热部的散热片,其特征在于:相邻的两个所述弯曲部的弯曲方向相反。
9.根据权利要求7所述的带有曲折散热部的散热片,其特征在于:所述上、下两端的垂直投影与所述弯曲部的垂直投影之间的夹角为5-85度。
10.根据权利要求7所述的带有曲折散热部的散热片,其特征在于:所述弯曲部的顶点至所述上端和下端所在平面的距离为5-70mm。
11.根据权利要求1所述的带有曲折散热部的散热片,其特征在于:所述本体包括散热大片和焊接在所述散热大片上的散热小片,所述散热大片中部设有所述环形封闭部,所述散热小片周边与所述环形封闭部焊接,在所述散热大片上位于所述环形封闭部外侧的部分为所述散热部。
12.根据权利要求1-11任意一项所述的带有曲折散热部的散热片,其特征在于:所述曲折散热部为冲压拉伸成型。
13.一种电热油汀,包括散热体、安装在所述散热体内的加热组件,设置在所述散热体上的电控组件,所述散热体包括多个依次连接的带有曲折散热部的散热片,其特征在于:多个所述带有曲折散热部的散热片均为上述权利要求1-12中任一权利要求所述的带有曲折散热部的散热片。
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