WO2016177040A1 - Heat sink - Google Patents
Heat sink Download PDFInfo
- Publication number
- WO2016177040A1 WO2016177040A1 PCT/CN2016/074863 CN2016074863W WO2016177040A1 WO 2016177040 A1 WO2016177040 A1 WO 2016177040A1 CN 2016074863 W CN2016074863 W CN 2016074863W WO 2016177040 A1 WO2016177040 A1 WO 2016177040A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- heat dissipation
- heat dissipating
- heat sink
- dissipating
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Definitions
- the present application relates to the field of communication technologies, for example, to a heat sink.
- the existing communication base station equipment develops toward a larger capacity, a higher power, and a smaller volume. Therefore, higher requirements are placed on the heat dissipation capability of the communication product. For example, in the field of self-cooling and heat dissipation, it is urgent to improve the heat dissipation capability of the conventional die-casting heat sink. On the other hand, communication base station equipment is getting closer to the living area of the residents, and the appearance requirements of the equipment are getting higher and higher, and the equipment is required to be integrated into the environment.
- 1 is a schematic view of a conventional heat sink of a conventional die-casting straight tooth self-cooling heat dissipating device, wherein 1 is a heat dissipating tooth and 5 is a bottom plate, and the top of the heat dissipating fin has a thermal cascading phenomenon, so that the heat dissipating effect of the heat dissipating device is poor.
- the heat dissipation efficiency is limited, and the overall heat dissipation easily reaches the bottleneck; on the other hand, the open heat sink is more susceptible to solar radiation and has lower efficiency.
- the embodiment of the invention provides a heat sink, comprising a heat sink bottom plate and a heat dissipating tooth.
- the heat dissipating bottom plate is provided with a plurality of heat dissipating teeth
- the heat dissipating tooth is provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the heat dissipating tooth The area of the section.
- the heat dissipation extension portion may have a V-shaped groove structure, and the apex of the V-shaped groove structure is located at the top end of the cross-sectional direction of each of the heat dissipation teeth.
- the heat dissipation extension portion may include a plurality of first sheet-shaped heat dissipation structures distributed on two sides of the respective heat dissipation teeth, and a ventilation passage is formed between each of the first sheet-shaped heat dissipation structures.
- the heat dissipation extension portion may include a second sheet-shaped heat dissipation structure covering the top ends of all the heat dissipation teeth, and the second sheet-shaped heat dissipation structure is provided with a plurality of heat dissipation openings.
- the plurality of first sheet-shaped heat dissipation structures may be symmetrically disposed on two sides of each of the heat dissipating teeth.
- the plurality of first sheet-shaped heat dissipation structures may be staggered on both sides of the respective heat dissipating teeth.
- the heat dissipation extension portion may be a second sheet-shaped heat dissipation structure provided with a plurality of heat dissipation openings, and the second sheet-shaped heat dissipation structure covers the top ends of all the heat dissipation teeth.
- a plurality of heat dissipation openings may be disposed above the blocking piece, and a ventilation space is formed between the blocking piece and the heat dissipation opening.
- the second sheet heat dissipation structure and the top end of the heat dissipating tooth may be fixedly connected.
- the heat dissipation extending portion may be a portion provided with a plurality of notches on the top end of the heat dissipating tooth cross-sectional direction.
- FIG. 1 is a schematic view of a conventional heat sink of a conventional die-cast straight tooth self-cooling heat sink
- FIG. 2 is a schematic view of a heat sink in Embodiment 1 of the present invention.
- FIG. 3 is a schematic view of a first heat sink provided in Embodiment 2 of the present invention.
- FIG. 4 is a schematic view of a second type of heat sink provided in Embodiment 2 of the present invention.
- Figure 5 is a schematic view of a first heat sink provided in Embodiment 3 of the present invention.
- FIG. 6 is a schematic view of a second heat sink provided in Embodiment 3 of the present invention.
- Figure 7 is a schematic view of a heat sink according to Embodiment 4 of the present invention.
- the embodiment of the present invention provides a heat sink.
- the present invention will be described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
- the embodiment provides a heat sink, which is improved on the basis of a conventional heat sink.
- the heat sink includes: a heat sink bottom plate and heat dissipating teeth.
- the heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, and the heat dissipating teeth are disposed on the heat dissipating teeth.
- There is a heat dissipation extension and the heat dissipation area of the heat dissipation extension is larger than the area of the heat dissipation tooth cross section.
- the heat dissipation extension 2 is a schematic view of a heat sink according to Embodiment 1 of the present invention, as shown in FIG. 2, on the heat dissipating tooth 1
- the heat dissipation extension 2 has a V-shaped groove structure, wherein 5 is a bottom plate of the heat sink, and the apex of the V-shaped groove structure is located at the top end of the heat dissipation tooth in the cross-sectional direction.
- the heat dissipating tooth section is changed, and the heat dissipating tooth top and the heat dissipating tooth are formed into a Y shape or an X shape, which increases the heat dissipating area of the heat dissipating tooth top, and the top of the heat dissipating tooth forms a air duct, so that the temperature level of the heat dissipating tooth top
- the joint phenomenon is improved to improve the heat dissipation efficiency; at the same time, the Y-shaped or X-shaped tooth tip can also prevent the influence of solar radiation on the middle and lower parts of the heat dissipating teeth and improve the heat dissipation efficiency.
- the embodiment provides a heat sink, the heat sink includes: a heat sink bottom plate and a heat dissipating tooth.
- the heat dissipating bottom plate is provided with a plurality of heat dissipating teeth
- the heat dissipating tooth is provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the heat dissipating tooth The area of the cross section.
- the heat sink is based on a conventional spur fin, and a first sheet heat dissipation structure (ie, a heat dissipation extension portion) is added on two sides of the heat dissipation tooth, and the first sheet heat dissipation structure may be referred to as a side tooth of the heat dissipation tooth.
- a first sheet heat dissipation structure ie, a heat dissipation extension portion
- the first sheet heat dissipation structure is distributed on two sides of each of the heat dissipating teeth; the first sheet heat dissipating structure can have two distribution modes on the heat dissipating teeth: As shown, a plurality of first sheet-like heat dissipation structures 3 are symmetrically disposed on both sides of each of the heat dissipating teeth 1, and 5 is a bottom plate of the heat sink. Or as shown in FIG. 4, a plurality of first sheet-like heat dissipation structures 3 are alternately disposed on both side faces of the respective heat dissipating teeth 1.
- the heat dissipating area of the heat dissipating tooth side is increased, and the side tooth and the adjacent main heat dissipating tooth form a duct, thereby improving heat dissipation efficiency and simultaneously dissipating the tooth.
- the top temperature cascade is also improved; it can also weaken the effects of solar radiation.
- the first sheet-shaped heat dissipation structure is a second sheet-shaped heat dissipation structure covering the top ends of all the heat dissipation teeth, and the second sheet-shaped heat dissipation structure is provided with a plurality of heat dissipation openings.
- the embodiment provides a heat sink, the heat sink includes: a heat sink bottom plate and heat dissipating teeth, The heat sink has a plurality of heat dissipating teeth, and the heat dissipating teeth are provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the cross section of the heat dissipating tooth, as shown in FIG.
- the heat dissipating portion covers all the heat dissipating teeth a second sheet-shaped heat dissipation structure 4 (also referred to as a heat dissipation plate) at the top end, and a plurality of heat dissipation openings 6 are disposed on the second sheet-shaped heat dissipation structure 4, and the heat dissipation openings 6 serve to ventilate and beautify, wherein the heat dissipation openings 6
- a baffle 7 is disposed on the upper side, and a venting space is formed between the baffle 7 and the heat dissipating opening 6, similar to the louver pattern, wherein the direction of the arrow indicates the venting direction, and the material of the heat dissipating plate 4 includes but is not limited to aluminum alloy, steel, Based on the heat dissipation plate 4, the cooling airflow enters from the lower portion and the heat dissipation opening 6, respectively, and then flows out from the upper portion.
- the heat dissipating plate 4 is fixed to the heat dissipating tooth 1 by means of gluing or insert molding or welding. As shown in FIG. 5, three rows of heat dissipating openings 6 may be arranged on the heat dissipating plate 4, or as shown in FIG. The two rows of large heat dissipation openings are provided in a relatively sparse manner. It should be noted that the louver type heat dissipation plates described in the embodiment are also provided on the heat sinks described in the first embodiment and the second embodiment. This enhances the heat dissipation of the heat sink.
- the heat dissipation area of the heat dissipating tooth tip is increased, and the heat generated by the component is transmitted to the top of the heat dissipating tooth to effectively transmit the heat dissipating plate; the cooling airflow enters from the heat dissipating opening, reducing the heat of the heat dissipating plate, thereby reducing the heat of the heat dissipating plate.
- the opening of the louver hole ie, the heat dissipation opening
- the opening of the louver hole can effectively prevent solar radiation and improve the heat dissipation of the heat dissipation tooth.
- Efficiency At the same time, the design of the louver hole beautifies the appearance of the radiator, weakens the equipment characteristics of the radiator and better integrates into the environment.
- the embodiment provides a heat sink.
- the heat sink includes a heat sink base plate and a heat dissipating tooth 1.
- the heat dissipating bottom plate is provided with a plurality of heat dissipating teeth 1.
- the heat dissipating tooth 1 is provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion
- the area of the cross section of the heat dissipating tooth can be grooved 8 on the top of the heat dissipating fin.
- the slotted part is the heat dissipating extension, as shown in FIG. 7 , which can increase the wind receiving area.
- the improvement can be combined with any of the improvement points in the above embodiments 1 to 3, for example, the heat dissipating teeth can be added to the heat dissipating teeth after the slotting, or the cover can be covered at all.
- a heat sink having a heat dissipation opening on the heat dissipating tooth.
- the heat sink provided by the present application comprises a heat sink substrate and a heat dissipating tooth.
- the heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, and the heat dissipating teeth are provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the cross section of the heat dissipating tooth.
- the heat sink improves heat dissipation efficiency.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Provided is a heat sink, comprising a heat sink bottom plate and heat sink fins. A plurality of heat sink fins are provided on the heat sink bottom plate, and heat sink extending portions are provided on the heat sink fins, wherein a heat dissipation area of the heat sink extending portion is greater than a cross-sectional area of the heat sink fin. The heat sink improves heat dissipation efficiency.
Description
本申请涉及通讯技术领域，例如涉及一种散热片。The present application relates to the field of communication technologies, for example, to a heat sink.
现有通讯基站设备朝容量越大、功率越高、体积越小方向发展，因此，对通讯产品散热能力提出更高的要求。比如在自冷散热领域，亟需对传统压铸散热器的散热能力进行提升。另一方面，通讯基站设备越来越贴近居民生活区域，对设备外观要求越来越高，要求设备融入环境。The existing communication base station equipment develops toward a larger capacity, a higher power, and a smaller volume. Therefore, higher requirements are placed on the heat dissipation capability of the communication product. For example, in the field of self-cooling and heat dissipation, it is urgent to improve the heat dissipation capability of the conventional die-casting heat sink. On the other hand, communication base station equipment is getting closer to the living area of the residents, and the appearance requirements of the equipment are getting higher and higher, and the equipment is required to be integrated into the environment.
图1为传统的传统压铸直齿自冷散热装置的散热片的示意图，其中，1为散热齿，5为底板，此种散热片顶部有热级联现象，使散热装置该部分的散热效果差，散热效率受到局限，整体散热容易达到瓶颈；另一方面，开放式的散热片在太阳辐射下更容易受到影响，效率更低。1 is a schematic view of a conventional heat sink of a conventional die-casting straight tooth self-cooling heat dissipating device, wherein 1 is a heat dissipating tooth and 5 is a bottom plate, and the top of the heat dissipating fin has a thermal cascading phenomenon, so that the heat dissipating effect of the heat dissipating device is poor. The heat dissipation efficiency is limited, and the overall heat dissipation easily reaches the bottleneck; on the other hand, the open heat sink is more susceptible to solar radiation and has lower efficiency.
发明内容Summary of the invention
本发明实施例提供了一种散热片，包括散热片底板以及散热齿，散热底板上设置有多个散热齿，包括：散热齿上设置有散热延伸部，散热延伸部的散热面积大于散热齿横截面的面积。The embodiment of the invention provides a heat sink, comprising a heat sink bottom plate and a heat dissipating tooth. The heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, and the heat dissipating tooth is provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the heat dissipating tooth The area of the section.
其中，散热延伸部可以呈V形槽结构，V形槽结构的顶点位于各散热齿横截面方向的顶端。Wherein, the heat dissipation extension portion may have a V-shaped groove structure, and the apex of the V-shaped groove structure is located at the top end of the cross-sectional direction of each of the heat dissipation teeth.
其中，散热延伸部可以包括多个分布于各个散热齿的两个侧面上的第一片状散热结构，各第一片状散热结构间形成通风通道。The heat dissipation extension portion may include a plurality of first sheet-shaped heat dissipation structures distributed on two sides of the respective heat dissipation teeth, and a ventilation passage is formed between each of the first sheet-shaped heat dissipation structures.
其中，散热延伸部可以包括覆盖于所有散热齿顶端的第二片状散热结构，第二片状散热结构上设置有多个散热开口。The heat dissipation extension portion may include a second sheet-shaped heat dissipation structure covering the top ends of all the heat dissipation teeth, and the second sheet-shaped heat dissipation structure is provided with a plurality of heat dissipation openings.
其中，多个第一片状散热结构可以对称设置于各个散热齿的两个侧面上。The plurality of first sheet-shaped heat dissipation structures may be symmetrically disposed on two sides of each of the heat dissipating teeth.
其中，多个第一片状散热结构可以交错设置于各个散热齿的两个侧面上。
Wherein, the plurality of first sheet-shaped heat dissipation structures may be staggered on both sides of the respective heat dissipating teeth.
其中，散热延伸部可以为设置有多个散热开口的第二片状散热结构，第二片状散热结构覆盖于所有散热齿的顶端。The heat dissipation extension portion may be a second sheet-shaped heat dissipation structure provided with a plurality of heat dissipation openings, and the second sheet-shaped heat dissipation structure covers the top ends of all the heat dissipation teeth.
其中，多个散热开口的上方可以设置有挡片，挡片与散热开口之间形成通气空间。Wherein, a plurality of heat dissipation openings may be disposed above the blocking piece, and a ventilation space is formed between the blocking piece and the heat dissipation opening.
其中，第二片状散热结构与散热齿的顶端可以固定连接。The second sheet heat dissipation structure and the top end of the heat dissipating tooth may be fixedly connected.
其中，散热延伸部可以为散热齿横截面方向的顶端上设置有多个开槽口的部分。Wherein, the heat dissipation extending portion may be a portion provided with a plurality of notches on the top end of the heat dissipating tooth cross-sectional direction.
附图概述BRIEF abstract
图1为传统的传统压铸直齿自冷散热装置的散热片的示意图；1 is a schematic view of a conventional heat sink of a conventional die-cast straight tooth self-cooling heat sink;
图2是本发明实施例1中的散热片的示意图；Figure 2 is a schematic view of a heat sink in Embodiment 1 of the present invention;
图3是本发明实施例2中提供的第一种散热片的示意图；3 is a schematic view of a first heat sink provided in Embodiment 2 of the present invention;
图4是本发明实施例2中提供的第二种散热片的示意图；4 is a schematic view of a second type of heat sink provided in Embodiment 2 of the present invention;
图5是本发明实施例3中提供的第一种散热片的示意图；Figure 5 is a schematic view of a first heat sink provided in Embodiment 3 of the present invention;
图6是本发明实施例3中提供的第二种散热片的示意图；6 is a schematic view of a second heat sink provided in Embodiment 3 of the present invention;
图7是本发明实施例4提供的散热片的示意图。Figure 7 is a schematic view of a heat sink according to Embodiment 4 of the present invention.
为了解决现有技术散热片的散热效果较差的问题，本发明实施例提供了一种散热片，以下结合附图以及实施例，对本发明进行详细说明。应当理解，此处所描述的实施例仅仅用以解释本发明，并不限定本发明。In order to solve the problem that the heat dissipation effect of the prior art heat sink is poor, the embodiment of the present invention provides a heat sink. The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
实施例1Example 1
本实施例提供了一种散热片，该散热片在传统散热片的基础上进行了改进，该散热片包括：散热片底板以及散热齿，散热底板上设置有多个散热齿，散热齿上设置有散热延伸部，散热延伸部的散热面积大于散热齿横截面的面积。The embodiment provides a heat sink, which is improved on the basis of a conventional heat sink. The heat sink includes: a heat sink bottom plate and heat dissipating teeth. The heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, and the heat dissipating teeth are disposed on the heat dissipating teeth. There is a heat dissipation extension, and the heat dissipation area of the heat dissipation extension is larger than the area of the heat dissipation tooth cross section.
图2是本发明实施例1中的散热片的示意图，如图2所示，散热齿1上的
散热延伸部2呈V形槽结构，其中，5为散热片的底板，V形槽结构的顶点位于各散热齿横截面方向的顶端。2 is a schematic view of a heat sink according to Embodiment 1 of the present invention, as shown in FIG. 2, on the heat dissipating tooth 1
The heat dissipation extension 2 has a V-shaped groove structure, wherein 5 is a bottom plate of the heat sink, and the apex of the V-shaped groove structure is located at the top end of the heat dissipation tooth in the cross-sectional direction.
基于传统直齿散热器，改变散热齿截面，散热齿顶与散热齿构成为Y型或X形，增加了散热齿顶的散热面积，散热齿的顶部形成风道，使散热齿顶部的温度级联现象得到改善，提高散热效率；同时齿顶Y型或者X型，也可以防止太阳辐射对散热齿中下部的影响，提高散热效率。Based on the traditional straight tooth radiator, the heat dissipating tooth section is changed, and the heat dissipating tooth top and the heat dissipating tooth are formed into a Y shape or an X shape, which increases the heat dissipating area of the heat dissipating tooth top, and the top of the heat dissipating tooth forms a air duct, so that the temperature level of the heat dissipating tooth top The joint phenomenon is improved to improve the heat dissipation efficiency; at the same time, the Y-shaped or X-shaped tooth tip can also prevent the influence of solar radiation on the middle and lower parts of the heat dissipating teeth and improve the heat dissipation efficiency.
实施例2Example 2
本实施例提供了一种散热片，该散热片包括：散热片底板以及散热齿，散热底板上设置有多个散热齿，散热齿上设置有散热延伸部，散热延伸部的散热面积大于散热齿横截面的面积。该散热片在传统直齿散热片的基础上，在散热齿的两个侧面增加第一片状散热结构(即散热延伸部)，该第一片状散热结构可称为散热齿的侧齿，相邻侧齿间留有合理间隙，其中，第一片状散热结构分布于各个散热齿的两个侧面上；该第一片状散热结构在散热齿上可以具有两种分布方式：如图3所示，多个第一片状散热结构3对称设置于各个散热齿1的两个侧面上其中，5为散热片的底板。或如图4所示，多个第一片状散热结构3交错设置于各个散热齿1的两个侧面上。The embodiment provides a heat sink, the heat sink includes: a heat sink bottom plate and a heat dissipating tooth. The heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, and the heat dissipating tooth is provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the heat dissipating tooth The area of the cross section. The heat sink is based on a conventional spur fin, and a first sheet heat dissipation structure (ie, a heat dissipation extension portion) is added on two sides of the heat dissipation tooth, and the first sheet heat dissipation structure may be referred to as a side tooth of the heat dissipation tooth. A reasonable gap is left between the adjacent side teeth, wherein the first sheet heat dissipation structure is distributed on two sides of each of the heat dissipating teeth; the first sheet heat dissipating structure can have two distribution modes on the heat dissipating teeth: As shown, a plurality of first sheet-like heat dissipation structures 3 are symmetrically disposed on both sides of each of the heat dissipating teeth 1, and 5 is a bottom plate of the heat sink. Or as shown in FIG. 4, a plurality of first sheet-like heat dissipation structures 3 are alternately disposed on both side faces of the respective heat dissipating teeth 1.
在本实施例中，通过增加散热齿侧面的散热面积改变散热齿横截面积，增了散热齿的散热面积，且侧齿与相邻主散热齿形成风道，提高了散热效率，同时散热齿顶部温度级联现象也得到改善；也可以削弱太阳辐射的影响。In this embodiment, by increasing the heat dissipation area of the heat dissipating tooth side to change the cross sectional area of the heat dissipating tooth, the heat dissipating area of the heat dissipating tooth is increased, and the side tooth and the adjacent main heat dissipating tooth form a duct, thereby improving heat dissipation efficiency and simultaneously dissipating the tooth. The top temperature cascade is also improved; it can also weaken the effects of solar radiation.
第一片状散热结构为覆盖于所有散热齿顶端的第二片状散热结构，第二片状散热结构上设置有多个散热开口。The first sheet-shaped heat dissipation structure is a second sheet-shaped heat dissipation structure covering the top ends of all the heat dissipation teeth, and the second sheet-shaped heat dissipation structure is provided with a plurality of heat dissipation openings.
实施例3Example 3
本实施例提供了一种散热片，该散热片包括：散热片底板以及散热齿，散
热底板上设置有多个散热齿，散热齿上设置有散热延伸部，散热延伸部的散热面积大于散热齿横截面的面积，如图5所示，其中，散热延伸部为覆盖于所有散热齿1顶端的第二片状散热结构4(也称散热板)，第二片状散热结构4上设置有多个散热开口6，该散热开口6起到通风以及美化的作用，其中，散热开口6的上方设置有挡片7，挡片7与散热开口6之间形成通气空间，类似于百叶窗的样式，图中箭头方向表示通风方向，该散热板4的材料包括但不限于铝合金、钢材、导热塑料等；基于该散热板4，冷却气流分别从下部和散热开口6进入，再从上部流出。该散热板4通过胶接或嵌铸或焊接等方式与散热齿1固定，如图5所示，可以在该散热板4上设置较为密集的三排散热开口6，也可以如图6所示，设置较为稀疏的两排较大的散热开口，需要说明的是，本实施例中所述的百叶窗式的散热板也在以实施例1以及实施例2所记载的散热片上的基础上设置，这样可以加强散热片的散热效果。The embodiment provides a heat sink, the heat sink includes: a heat sink bottom plate and heat dissipating teeth,
The heat sink has a plurality of heat dissipating teeth, and the heat dissipating teeth are provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the cross section of the heat dissipating tooth, as shown in FIG. 5 , wherein the heat dissipating portion covers all the heat dissipating teeth a second sheet-shaped heat dissipation structure 4 (also referred to as a heat dissipation plate) at the top end, and a plurality of heat dissipation openings 6 are disposed on the second sheet-shaped heat dissipation structure 4, and the heat dissipation openings 6 serve to ventilate and beautify, wherein the heat dissipation openings 6 A baffle 7 is disposed on the upper side, and a venting space is formed between the baffle 7 and the heat dissipating opening 6, similar to the louver pattern, wherein the direction of the arrow indicates the venting direction, and the material of the heat dissipating plate 4 includes but is not limited to aluminum alloy, steel, Based on the heat dissipation plate 4, the cooling airflow enters from the lower portion and the heat dissipation opening 6, respectively, and then flows out from the upper portion. The heat dissipating plate 4 is fixed to the heat dissipating tooth 1 by means of gluing or insert molding or welding. As shown in FIG. 5, three rows of heat dissipating openings 6 may be arranged on the heat dissipating plate 4, or as shown in FIG. The two rows of large heat dissipation openings are provided in a relatively sparse manner. It should be noted that the louver type heat dissipation plates described in the embodiment are also provided on the heat sinks described in the first embodiment and the second embodiment. This enhances the heat dissipation of the heat sink.
在该实施方案中，散热齿齿顶的散热面积增加，元器件产生的热传递到散热齿顶部时，可以有效传递散热板上；冷却气流从散热开口进入，降低了散热板的热量，使原有散热齿顶温度级联的现象得到大幅改善，提高了散热器的散热效率；另一方面，散热板上开百叶窗孔(即散热开口)，可以有效防止太阳辐射，也提高了散热齿的散热效率；同时，百叶窗孔的设计美化了散热器的外观，弱化了散热器的设备特点，更好融入环境。In this embodiment, the heat dissipation area of the heat dissipating tooth tip is increased, and the heat generated by the component is transmitted to the top of the heat dissipating tooth to effectively transmit the heat dissipating plate; the cooling airflow enters from the heat dissipating opening, reducing the heat of the heat dissipating plate, thereby reducing the heat of the heat dissipating plate The phenomenon that the temperature of the heat sinking tip is cascaded is greatly improved, and the heat dissipation efficiency of the heat sink is improved. On the other hand, the opening of the louver hole (ie, the heat dissipation opening) on the heat dissipation plate can effectively prevent solar radiation and improve the heat dissipation of the heat dissipation tooth. Efficiency; At the same time, the design of the louver hole beautifies the appearance of the radiator, weakens the equipment characteristics of the radiator and better integrates into the environment.
实施4 Implementation 4
本实施例提供了一种散热片，该散热片包括：散热片底板以及散热齿1，散热底板上设置有多个散热齿1，散热齿1上设置有散热延伸部，散热延伸部的散热面积大于散热齿横截面的面积，在传统散热片的基础上可以对散热齿1顶进行开槽8，该开槽部分即散热延伸部，如图7所示，这样可以增加受风面积，同
时，为了加强散热效果，可以将该处改进与上述实施例1至3中的任何一处改进点相结合，例如，可以开槽后的散热齿上增加散热侧齿，或，设置覆盖于所有散热齿上的具有散热开口的散热板。The embodiment provides a heat sink. The heat sink includes a heat sink base plate and a heat dissipating tooth 1. The heat dissipating bottom plate is provided with a plurality of heat dissipating teeth 1. The heat dissipating tooth 1 is provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion The area of the cross section of the heat dissipating tooth can be grooved 8 on the top of the heat dissipating fin. The slotted part is the heat dissipating extension, as shown in FIG. 7 , which can increase the wind receiving area.
In order to enhance the heat dissipation effect, the improvement can be combined with any of the improvement points in the above embodiments 1 to 3, for example, the heat dissipating teeth can be added to the heat dissipating teeth after the slotting, or the cover can be covered at all. A heat sink having a heat dissipation opening on the heat dissipating tooth.
尽管已经公开了本发明的实施例，本领域的技术人员将意识到各种改进、增加和取代也是可能的，因此，本发明的范围应当不限于上述实施例。While the embodiments of the present invention have been disclosed, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.
本申请提供的散热片包括散热片底板以及散热齿，散热底板上设置有多个散热齿，散热齿上设置有散热延伸部，散热延伸部的散热面积大于散热齿横截面的面积。所述散热片提高了散热效率。
The heat sink provided by the present application comprises a heat sink substrate and a heat dissipating tooth. The heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, and the heat dissipating teeth are provided with a heat dissipating portion, and the heat dissipating portion of the heat dissipating portion is larger than the cross section of the heat dissipating tooth. The heat sink improves heat dissipation efficiency.
Claims (10)
- 一种散热片，包括散热片底板以及散热齿，所述散热底板上设置有多个散热齿，所述散热齿上设置有散热延伸部，所述散热延伸部的散热面积大于所述散热齿横截面的面积。A heat sink comprising a heat sink base plate and a heat dissipating tooth, wherein the heat dissipating bottom plate is provided with a plurality of heat dissipating teeth, wherein the heat dissipating tooth is provided with a heat dissipating portion, and the heat dissipating portion has a heat dissipating area larger than the heat dissipating tooth The area of the section.
- 根据权利要求1所述的散热片，其中，所述散热延伸部呈V形槽结构，所述V形槽结构的顶点位于各散热齿横截面方向的顶端。The heat sink according to claim 1, wherein the heat dissipation extension has a V-shaped groove structure, and an apex of the V-shaped groove structure is located at a top end of a cross-sectional direction of each of the heat dissipation teeth.
- 根据权利要求1所述的散热片，其中，所述散热延伸部包括多个分布于各个散热齿的两个侧面上的第一片状散热结构，各第一片状散热结构间形成通风通道。The heat sink according to claim 1, wherein the heat dissipation extension portion comprises a plurality of first sheet-shaped heat dissipation structures distributed on two side surfaces of the respective heat dissipation teeth, and a ventilation passage is formed between each of the first sheet heat dissipation structures.
- 根据权利要求1至3中任意一项所述的散热片，其中，所述散热延伸部包括覆盖于所有散热齿顶端的第二片状散热结构，所述第二片状散热结构上设置有多个散热开口。The heat sink according to any one of claims 1 to 3, wherein the heat dissipation extension portion includes a second sheet-like heat dissipation structure covering all of the heat dissipation tooth tips, and the second sheet-shaped heat dissipation structure is provided with a plurality of heat dissipation fins a heat dissipation opening.
- 根据权利要求3所述的散热片，其中，所述多个第一片状散热结构对称设置于各个散热齿的两个侧面上。The heat sink according to claim 3, wherein the plurality of first sheet-like heat dissipation structures are symmetrically disposed on both sides of each of the heat dissipating teeth.
- 根据权利要求3所述的散热片，其中，所述多个第一片状散热结构交错设置于各个散热齿的两个侧面上。The heat sink according to claim 3, wherein the plurality of first sheet-like heat dissipation structures are alternately disposed on both sides of each of the heat dissipating teeth.
- 根据权利要求1所述的散热片，其中，所述散热延伸部为设置有多个散热开口的第二片状散热结构，所述第二片状散热结构覆盖于所有散热齿的顶端。The heat sink according to claim 1, wherein the heat dissipation extension is a second sheet heat dissipation structure provided with a plurality of heat dissipation openings, and the second sheet heat dissipation structure covers the top ends of all the heat dissipation teeth.
- 根据权利要求7所述的散热片，其中，所述多个散热开口的上方设置有挡片，所述挡片与所述散热开口之间形成通气空间。The heat sink according to claim 7, wherein a baffle is disposed above the plurality of heat dissipating openings, and a venting space is formed between the baffle and the heat dissipating opening.
- 根据权利要求7或8所述的散热片，其中，所述第二片状散热结构与所述散热齿的顶端固定连接。The heat sink according to claim 7 or 8, wherein the second sheet-like heat dissipation structure is fixedly coupled to a top end of the heat dissipating tooth.
- 根据权利要求1所述的散热片，其中，所述散热延伸部为所述散热齿横截面方向的顶端上设置有多个开槽口的部分。 The heat sink according to claim 1, wherein the heat dissipating extension is a portion in which a plurality of notches are provided at a tip end of the heat dissipating tooth in a cross-sectional direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604864.4 | 2015-08-12 | ||
| CN201520604864.4U CN205030024U (en) | 2015-08-12 | 2015-08-12 | Cooling fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016177040A1 true WO2016177040A1 (en) | 2016-11-10 |
Family
ID=55262522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2016/074863 WO2016177040A1 (en) | 2015-08-12 | 2016-02-29 | Heat sink |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205030024U (en) |
| WO (1) | WO2016177040A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940610A (en) * | 2017-11-10 | 2018-04-20 | 苏州庆瑞空气***有限公司 | Radiator for air-conditioning |
| CN112399771A (en) * | 2019-08-15 | 2021-02-23 | 大唐移动通信设备有限公司 | Heat dissipation device and base station |
| TWI751759B (en) | 2020-10-28 | 2022-01-01 | 國立清華大學 | Heat dissipation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004158757A (en) * | 2002-11-08 | 2004-06-03 | Omron Corp | Heat radiating structure of electronic apparatus and solid-state relay using the same |
| CN2763972Y (en) * | 2004-12-11 | 2006-03-08 | 鸿富锦精密工业（深圳）有限公司 | Radiation device assembly |
| CN101115364A (en) * | 2006-07-26 | 2008-01-30 | 富准精密工业(深圳)有限公司 | Heat radiating device |
| CN101980591A (en) * | 2010-09-27 | 2011-02-23 | 奥维通信股份有限公司 | Communication equipment chassis |
-
2015
- 2015-08-12 CN CN201520604864.4U patent/CN205030024U/en active Active
-
2016
- 2016-02-29 WO PCT/CN2016/074863 patent/WO2016177040A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004158757A (en) * | 2002-11-08 | 2004-06-03 | Omron Corp | Heat radiating structure of electronic apparatus and solid-state relay using the same |
| CN2763972Y (en) * | 2004-12-11 | 2006-03-08 | 鸿富锦精密工业（深圳）有限公司 | Radiation device assembly |
| CN101115364A (en) * | 2006-07-26 | 2008-01-30 | 富准精密工业(深圳)有限公司 | Heat radiating device |
| CN101980591A (en) * | 2010-09-27 | 2011-02-23 | 奥维通信股份有限公司 | Communication equipment chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205030024U (en) | 2016-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140014308A1 (en) | Heat Sink and Electronic Device and Heat Exchanger Applying the Same | |
| CN210725817U (en) | Composite tooth radiator and communication base station | |
| WO2016177040A1 (en) | Heat sink | |
| WO2016112648A1 (en) | Heat dissipation device | |
| TWI635386B (en) | Heat sink device | |
| CN106793668A (en) | A kind of radiator and communication equipment | |
| CN202551577U (en) | Radiating structure of cast photovoltaic inverter box body | |
| CN107289424A (en) | A kind of three-dimensional convection heat radiation light source module group radiator | |
| JP3171782U (en) | Fin-type heatsink to enhance heat dissipation | |
| WO2018176830A1 (en) | Heat radiating assembly and electric oil-filled heater | |
| TWI637132B (en) | Building ventilation cooling structure | |
| CN207050199U (en) | A kind of air conditioner heat radiator device | |
| CN206973503U (en) | A kind of three-dimensional convection heat radiation light source module group radiator | |
| CN211317043U (en) | Radiator and air conditioner | |
| JP2014093338A (en) | Cooling fin | |
| JP2005303063A5 (en) | ||
| CN207741055U (en) | A kind of turbulent flow radiator | |
| WO2018176832A1 (en) | Heat radiating fin and electric oil-filled heater | |
| CN211041904U (en) | Radiating fin convenient for downward blowing of module radiating fan | |
| TWM466295U (en) | Heat dissipation module | |
| TWI711799B (en) | Heat sink | |
| CN212305999U (en) | Power module with good heat dissipation performance | |
| CN216011397U (en) | Air-cooled heat dissipation device | |
| JP2005180906A (en) | Heat exchanging device | |
| CN207365777U (en) | A kind of high-efficiency radiator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16789034 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 16789034 Country of ref document: EP Kind code of ref document: A1 |