WO2006069482A1 - Enceinte de dispersion thermique de type caloduc - Google Patents

Enceinte de dispersion thermique de type caloduc Download PDF

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Publication number
WO2006069482A1
WO2006069482A1 PCT/CN2004/001566 CN2004001566W WO2006069482A1 WO 2006069482 A1 WO2006069482 A1 WO 2006069482A1 CN 2004001566 W CN2004001566 W CN 2004001566W WO 2006069482 A1 WO2006069482 A1 WO 2006069482A1
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WIPO (PCT)
Prior art keywords
heat
conducting
heat pipe
frame
shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2004/001566
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English (en)
French (fr)
Inventor
Yongjie Xu
Jianli Wang
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2004/001566 priority Critical patent/WO2006069482A1/zh
Publication of WO2006069482A1 publication Critical patent/WO2006069482A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
    • H05K7/20663—Liquid coolant with phase change, e.g. heat pipes
    • H05K7/20672—Liquid coolant with phase change, e.g. heat pipes within sub-racks for removing heat from electronic boards

Definitions

  • the invention relates to a heat dissipation cabinet of an integrated outdoor base station, in particular to a heat pipe heat dissipation machine for heat conduction and heat dissipation of a high power heating module in a base station.
  • the integrated outdoor mobile communication base station equipment at home and abroad is developing in the direction of miniaturization, high power and multi-carrier frequency.
  • the outdoor base station equipments are all sealed.
  • the heat dissipation method mainly uses a cavity heat sink. The heat inside the base station equipment is transmitted to the cavity heat sink through heat conduction, and the heat is radiated to the outside by the cavity heat sink. space.
  • the object of the present invention is to provide a heat sink rejection method and a heat pipe for the deficiencies of the prior art.
  • the heat dissipation of the heat sink is high, and the heat dissipation efficiency of the high-power heating module is high; the internal modules of the cabinet do not need to be waterproof and sealed, and the module of the indoor base station is compatible with the maximum, and the versatility of the device is good; the high-power heat-dissipating locking device is adopted.
  • the locking and lateral fixed heating modules provide good installation and maintainability.
  • the present invention provides a heat pipe heat rejection machine, including a machine rejection body, wherein the machine rejection body is composed of a frame, a front door, a back cover and a base, the frame is fixed on the base, and the heat pipe radiator is further included.
  • the frame is composed of a frame, a heat-conducting support plate, a standard insertion box and a U-shaped heat-conducting guide rail, wherein the heat-conducting support plate and the standard insertion box are fixed in the frame and the heat-conducting support plate is fixed in the standard insertion box
  • the U-shaped heat-conducting guide rail is fixed on the upper and lower inner walls of the standard insertion box, and the upper and lower pair of U-shaped heat-conducting guide rails form a slot
  • the heat-conducting plate of the heat pipe heat sink is fixed in the machine to reject a pair of u-type heat-conducting guide rails
  • the locking device is inserted into the u-type heat-conducting guide rail for tightly pressing the heat-generating electronic module on the heat pipe radiator.
  • the frame is a square-shaped machine with a thin metal plate bent and welded, and the front and rear openings are respectively arranged corresponding to the front door and the rear cover.
  • the front door and the rear cover are respectively fixed on the front and rear sides of the frame and are arranged to be rejected.
  • An opening for placing the heat pipe radiator into the inner cavity of the main body is provided above the frame.
  • the heat sink is composed of a heat conducting plate, one or more heat pipes, one or more heat sinks and a sealing cover plate.
  • the heat sink is provided with a through hole, and the heat pipe is an L-shaped round pipe.
  • the bent end of the heat pipe is inserted through the through hole in the heat sink.
  • the straight end of the heat pipe is embedded in a semi-circular fixing groove formed on one side of the heat conducting plate, and the other side of the heat conducting plate is a smooth flat surface for bonding on the heat-generating electronic module, and two holes are opened on the heat conducting plate
  • the threaded hole is used for screwing with the U-shaped heat conducting rail, and the front surface of the heat conducting board and the inner wall of the one side heat conducting rail are on the same plane.
  • the shape of the sealing cover is the same as the shape of the opening formed in the upper part of the frame for inserting the heat sink into the inner cavity of the main body of the machine.
  • the sealing cover is provided with a through hole, and the heat pipe is disposed at the through hole.
  • the locking device is composed of a fixing seat, an upper locking block, a lower locking block, a long screw, a return compression spring and a retaining ring.
  • the fixing seat is a metal strip, and the fixing seat and the upper and lower locking blocks are provided with a through hole.
  • the reset pressure spring is fixed inside the fixing seat.
  • the end faces of the fixing seat are 45° inclined faces, and the inner end faces of the upper and lower locking blocks and the end faces of the fixing seats are also arranged to be inclined faces of 45°.
  • the inner wall of the through hole of the upper locking block and the outer surface of the end of the long screw are correspondingly threaded.
  • the fixing seat of the locking device is screwed to the electronic module, and the pair of locking devices and the electronic module form an electronic module insert.
  • the locking device on the electronic module insert corresponds to the U-shaped groove of the U-shaped heat-conducting guide rail, and the heat-generating surface of the heat-generating electronic module closely fits the front surface of the heat-conducting plate. After the locking device is locked, a rapid heat dissipation channel is formed between the electronic module and the heat pipe radiator, so that heat is quickly dissipated.
  • the heat dissipator provided by the present invention refuses to use the heat pipe heat sink for heat dissipation, and has the function of efficiently dissipating heat of the high-power heating module; the machine rejects the internal module without having to perform waterproof sealing treatment, and maximizes the module with the indoor base station. Keeping compatibility, the equipment has good versatility; the high-power heat-dissipating locking device is used to lock and laterally fix the heating module, and the installation and operation of the device are good.
  • FIG. 1 is a schematic view showing the overall structure of the heat sink of the present invention.
  • FIG. 2 is a schematic structural view of a main body of the cabinet of the present invention.
  • FIG. 3 is a schematic structural view of a heat pipe radiator of the present invention.
  • Figure 4 is a schematic view showing the structure of the locking device of the present invention. 04 001566
  • FIG. 1 it is a schematic diagram of the overall structure of the heat sink of the present invention.
  • the present invention is mainly composed of the following components: a cabinet main body 1, a heat pipe radiator 2, and a heat dissipation locking device 3.
  • the machine reject main body 1 is composed of a frame 11, a front door 12, a rear cover 13, and a base 14.
  • the front door 12 and the rear cover 13 are assembled on the frame 11 to form a front and rear sealed cabinet system.
  • the base 14 is a square base formed by bending a metal plate, and is mounted under the frame 11 to support.
  • the frame 11 is composed of a frame 111, a heat transfer support plate 112, a standard insertion box 113, and a U-shaped heat conduction guide 114.
  • the frame 111 is a square cabinet skeleton formed by bending and welding a metal sheet.
  • the heat-conducting support plate 112 is a structural member which is formed by bending a thin metal plate.
  • the heat-transfer support plate 112 is first screwed to the bottom of the frame 111 and then welded to the side of the frame 111.
  • the insertion box 113 is directly fixed to the support plate 112, and the insertion box 113 adopts a box structure in which the front and rear beams of the aluminum profile are assembled with the sheet metal side plates.
  • the U-shaped heat conduction rail 114 is a U-shaped metal guide groove which is fixed between the front and rear beams of the insertion box 113.
  • the guide rail mainly supports and supports the module.
  • FIG. 3 is a schematic structural view of a heat pipe radiator of the present invention.
  • the heat pipe radiator 2 is composed of a heat conducting plate 21, a heat pipe 22, a heat sink 23, and a sealing cover 24.
  • the front side of the heat conducting plate 21 is a smooth and flat surface, and the back surface is machined with a semicircular recess 211.
  • the heat pipe 22 is a set of metal round tubes bent into an L shape, and has good thermal conductivity due to its special internal structure.
  • One end of the heat pipe 22 is integrally connected with the groove 211 of the heat conducting plate 21, and the other end is integrally connected with the heat sink 23 .
  • the heat sink 23 is a set of sheet metal sheets having a plurality of circular holes 231 in the middle for being closely connected to the heat pipe 22.
  • the sealing cover 24 is a thin metal plate which is fixed in the middle of the heat pipe 22 and serves as a sealing function when the entire heat pipe heat sink 2 is fixed to the cabinet main body 1.
  • FIG. 4 it is a schematic structural view of the heat-dissipating locking device of the present invention. As can be seen from FIG. 4, the locking device 3 is fixed by the fixing seat 31, the upper locking block 32, the lower locking block 33, the long screw 34, and the reset.
  • the compression spring 35 and the standard anti-loose retaining ring 36 are composed.
  • the holder 31 is a metal strip having a machined end face formed by 45.
  • the inclined surface has a waist circular hole in the middle of the two end faces, which provides a lateral movement space for the long screw 34 to move therebetween.
  • the upper locking block 32 is a small block having a square cross section, and a circular hole is formed in the middle, and one end surface thereof is processed into 45.
  • the slope is matched with the upper end slope of the fixing base 31.
  • the lower locking block 33 has a square upper cross section and an upper end surface 45.
  • the inclined surface is matched with the lower end inclined surface of the fixing base 31, and the lower end of the lower locking block 33 is formed into a cylindrical shape, and a threaded hole is penetrated in the middle of the lower locking block 33.
  • the long screw 34 is a tail tapping wire with a metal long rod with a hexagonal head. At the top end of the long screw 34, a circular groove is also formed, and the standard retaining ring 36 is caught in the groove.
  • the reset compression spring 35 is a V-shaped spring that is fixed inside the fixing base 31.
  • FIG. 4 it is a schematic structural view of the invention.
  • the state shown in the figure is the state in which the locking device 3 is unwrapped, and the reset compression spring 35 is in a normal state.
  • a pair of locking devices 3 are mounted on the electronic module, and the fixing base 31 is fixed to the electronic module by the countersunk screws, and inserted into the slots formed by the U-shaped heat-conducting guide 114 and the heat-conducting plate 21, and the locking device 3 is
  • the pressing faces (the labeling faces of the upper locking block 32 and the lower locking block 33) are bonded to the inner wall of one side of the U-shaped heat conductive rail 114, and the heat generating surface of the electronic module is bonded to the front surface of the heat conducting plate 21.
  • the head of the long screw 34 drives the upper locking block 32 to be tightened inward along the abutting surface with the fixing seat 31, and at the same time, the lower locking block 33 is also tightened by the thread.
  • the force is applied to the inner side of the fixing seat 31 to be tightened.
  • the upper locking block 32 and the lower locking block 33 are both inclined by 45° and 45 at both ends of the fixing seat.
  • the result of the bevel interaction is that a component of the vertical direction of the thread tightening force is generated. Under the action of the component force, the long screw 34 drives the upper and lower locking blocks 33 in the waist hole of the fixing base 31. Outside exercise.
  • the upper and lower locking blocks and the fixing base 31 generate a lateral relative displacement until the pressing surfaces of the upper and lower locking blocks press against the inner wall of one side of the U-shaped heat conducting rail 114, and the heating surface of the electronic module and the front surface of the heat conducting plate 21 Press tight.
  • the thread tightening force of the long screw 34 and the lower locking block 33 is converted into the pressing force of the upper and lower locking blocks to the electronic module, at which time the locking device 3 is tightened, the return pressure spring 35 is pressed, and the electronic module is pressed.
  • Fixed, the heating surface of the electronic module is closely attached to the front surface of the heat conducting plate 21, and the heat is transmitted with a small thermal resistance.
  • the long screw 34 When the electronic module is to be pulled out, the long screw 34 is loosened, and the long screw 34 is moved to the initial position by the return pressure spring 35, and the long screw 34 simultaneously drives the upper and lower locking blocks to be reset along the contact surface with the fixed seat 31. , so as to loosen the upper and lower locking blocks, the module can be pulled out.
  • the heat pipe heat dissipating device provided by the invention has unique structural forms and functional features in the mobile base station equipment at home and abroad, so that the internal electronic module of the indoor base station device can be directly applied to the outdoor micro base station, thereby greatly reducing The research and development cost of outdoor micro base stations shortens the development cycle. And because the high-power heat-dissipating locking device is used to fix the module, compared with the conventional fixed method, great progress has been made in the installation operability and maintainability of the micro base station.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

热管散热机柜 技术领域
本发明涉及一体化室外型基站的散热机柜， 尤其是一种基站内大功率发 热模块导热散热用的热管散热机拒。
背景技术
当今国内外一体化室外型移动通信基站设备， 正在向小型化大功率多载 频的方向发展。 室外型基站设备均是密封设计， 散热方式主要采用型腔散热 器， 通过热传导把基站设备内部的热量传到型腔散热器上， 再由型腔散热器 把热量通过自然散热的方式散到外部空间。
随着通信技术的不断发展, 室外型基站越做越小， 功率却越来越大， 并 且随着载频数的增加， 设备密度也越来越大， 因此对室外型基站设备的散热 设计、 安装操作性、 可维修性等方面均提出了更高的要求。
现今的基站设备， 内部的大功率发热模块， 比如： 功放模块等， 均是用 紧固螺钉直接固定在型腔散热器的内表面或固定在导热板上， 再通过导热板 把热量传导到型腔散热器上散掉。 随着室外型基站向小型化大功率多载频方 向发展， 基站内部的大功率发热模块再用传统的型腔散热器传导散热的散热 方式， 会使整个一体化室外型基站设备的体积与重量大大增加， 基站设备的 安装操作性、 可维修性很差。 发明内容
本发明的目的在于针对现有技术的不足， 提供一种散热机拒， 采用热管 散热器导热散热， 对大功率发热模块的散热效率高； 机柜内部模块不必再做 防水密封处理， 最大限度与室内基站的模块保持兼容， 设备的通用性较好； 采用大功率散热锁紧装置来锁紧与侧向固定发热模块， 设备的安装操作性、 可维护性较好。
为了实现上述目的， 本发明提供一种热管散热机拒， 包括机拒主体， 所 述的机拒主体由机架、 前门、 后盖及底座组成， 机架固定在底座上， 还包括 热管散热器和锁紧装置， 所述的机架由机框、 导热支撑板、 标准插箱和 U型导 热导轨组成， 导热支撑板和标准插箱固定在机框内且导热支撑板固定在标准 插箱的下方， U型导热导轨固设在标准插箱的上、 下内壁上， 上、 下一对 U型 导热导轨形成一个插槽， 热管散热器的导热板固定在机拒内一对 u型导热导轨 上； 锁紧装置插入 u型导热导轨， 用于将发热电子模块紧密压接在热管散热器 上。 机框为金属薄板弯折焊接成型的四方型机拒骨架， 其前、 后开口分别与 前门、 后盖对应设置， 前门和后盖分别固定在机架的前、 后两面并围设成机 拒主体的内腔。 机框上方开设用于将热管散热器置入机拒主体内腔的开孔。
散热器由导热板、 一个以上热管、 一个以上散热片和密封盖板组成， 散 热片上开设有通孔， 热管为 L形圆管， 热管的弯折端通过所述通孔穿设在散 热片内， 热管的直端嵌设在导热板一侧上开设的半圆形固定凹槽中， 导热板 的另一侧为用于贴合在发热电子模块上的光滑平整表面， 导热板上下开有两 排螺纹孔， 用于和 U型导热导轨螺接， 导热板的正面和 ϋ型导热导轨其中一 面内壁在同一平面上。 联接后这样一对 U型导热导轨和导热板就形成一个半 封闭的插槽。 密封盖板的形状与机架上方开设的用于将散热器置入机拒主体 内腔的开孔形状相同， 密封盖板上开设有通孔， 热管穿设在通孔处。 锁紧装置由固定座、 上锁緊块、 下锁紧块、 长螺杆、 复位压簧和挡圈组 成， 固定座为一金属长条块， 固定座和上、 下锁紧块内设有通孔， 长螺杆穿 设在通孔内， 上、 下锁紧块分别穿设在长螺杆上并设置在固定座的两端， 长 螺杆的一端部设有凹槽， 挡圈嵌设在凹槽中， 复位压簧固定在固定座的内部。 固定座的两端面为 45° 的斜面， 上、 下锁紧块的内侧端面与固定座的端面也 对应设置为 45° 的斜面。 上锁紧块的通孔内壁和长螺杆的端部外表面对应开 设有螺紋。
将锁紧装置的固定座与电子模块螺纹固定连接， 一对锁紧装置与电子模 块形成电子模块插件。 电子模块插件上的锁紧装置与 U型导热导轨的 U型槽 相对应， 发热电子模块的发热面与导热板正面紧密贴合。 锁紧装置锁紧后， 电子模块与热管散热器之间形成快速散热通道， 从而将热量快速散出。
综上所述， 本发明多提供的散热机拒， 采用热管散热器导热散热， 具有 对大功率发热模块的高效散热功能； 机拒内部模块不必再做防水密封处理， 最大限度与室内基站的模块保持兼容， 设备的通用性较好； 采用大功率散热 锁紧装置来锁紧与侧向固定发热模块， 设备的安装操作性、 可维护性较好。
下面结合附图和具体实施例对本发明的技术方案进行详细地说明。 附图说明
图 1 为本发明散热机拒整体结构示意图；
图 2为本发明机柜主体的结构示意图；
图 3为本发明热管散热器的结构示意图；
图 4为本发明锁紧装置的结构示意图。 04 001566
具体实施方式
如图 1所示， 为本发明散热机拒整体结构示意图。 从图 1 中可知， 本发 明主要由以下部件组成： 机柜主体 1、 热管散热器 2和散热锁紧装置 3组成。
如图 1所示， 为本发明机拒主体的结构示意图。 从图 2 中可知， 机拒主 体 1由机架 11、 前门 12、 后盖 13及底座 14组成。 前门 12、 后盖 13装配在 机架 11上共同组成一个前后密封的机柜系统。 底座 14是由金属板折弯成型 的四方型基座， 安装在机架 11的下面， 起支撑作用。 机架 11由机框 111、 导 热支撑板 112、 ·标准插箱 113及 U型导热导轨 114组成。机框 111是由金属薄 板折弯焊接成型的四方形机柜骨架。 导热支撑板 112是由金属薄板折弯成型 的结构件， 导热支撑板 112先与机框 111底部螺接， 再与机框 111的侧面点 焊连接。 插箱 113直接固定在支撑板 112上， 插箱 113采用铝型材前后梁与 板金侧板拼装成型的箱体结构。 U型导热导轨 114是一截面为 U型的金属导槽， 其固定在插箱 113的前后梁之间， 导轨主要对模块起导向支撑及导热作用。
如图 3所示， 为本发明热管散热器的结构示意图。 从图 3 中可知， 热管 散热器 2由导热板 21、 热管 22、 散热片 23及密封盖板 24组成。 导热板 21 正面是一个光滑平整的表面， 背面加工有半圆形凹槽 211。 热管 22是一组折 弯成 L形的金属圆管， 由于其内部的特殊构造而具有良好的导热性能。 热管 22的一端与导热板 21的凹槽 211连接成一体， 另一端则与散热片 23连接成 一体。 散热片 23是一组片状的金属薄板， 中间开有一组圆孔 231 , 用来与热 管 22紧密连接。 密封盖板 24是一金属薄板， 它固定在热管 22的中间， 当整 个热管散热器 2与机柜主体 1固定时， 起密封作用。 如图 4所示， 为本发明散热锁紧装置的结构示意图， 从图 4 中可知， 该 锁紧装置 3由固定座 31、 上锁紧块 32、 下锁紧块 33、 长螺杆 34、 复位压簧 35及标准防松脱挡圈 36组成。 固定座 31是一金属长条块， 它的两端面加工 形成 45。 的斜面， 两端面中间有一腰圆孔上下贯通， 为长螺杆 34在其间运动 提供了横向运动的空间。 上锁紧块 32是一截面为正方形的小块， 中间开一圆 孔， 它的一个端面加工成 45。 斜面， 与固定座 31的上端斜面相匹配。 下锁紧 块 33上部截面为正方形， 上端面加工成 45。 斜面， 以便与固定座 31的下端 斜面相匹配， 下锁紧块 33的下端加工成圆柱状， 在下锁紧块 33的正中贯穿 一螺纹孔。 长螺杆 34是一尾部攻丝， 头部为内六角的金属长杆。 在长螺杆 34 的尾部顶端， 还开有一圆凹槽， 标准挡圈 36 就卡在这凹槽内。 复位压簧 35 是一 V字型簧片， 其固定在固定座 31的内部。
如图 4所示， 为发明锁紧装置的结构示意图。 从图 4 中可知， 图中所示 的状态就是锁紧装置 3拧松未工作时状态， 复位压簧 35处于正常状态。 在电 子模块上装配一对锁紧装置 3， 用沉头螺钉使固定座 31与电子模块相固定， 一起插入 U型导热导轨 114与导热板 21形成的插槽内， 这时锁紧装置 3的压 紧面 （上锁紧块 32和下锁紧块 33的标注面）与 U型导热导轨的 114一面内 壁贴合， 电子模块发热面与导热板 21正面贴合。 当长螺杆 34沿顺时针方向 拧紧， 长螺杆 34的头部带动上锁紧块 32沿与固定座 31的贴合面一起向内收 紧， 同时， 下锁紧块 33也在螺紋的收紧力作用下沿与固定座 31的贴合面向 内收紧。 此时由于上锁紧块 32、 下锁紧块 33均以 45° 斜面与固定座两端的 45。 斜面相互作用， 作用的结果是产生了一个垂直与螺纹收紧力方向的分力， 在这分力的作用下， 长螺杆 34带动上下锁紧块 33在固定座 31的腰圆孔中向 外运动。 上、 下锁紧块与固定座 31产生一个侧向相对位移， 直到上、 下锁紧 块的压紧面压紧 U型导热导轨 114的一侧内壁， 同时电子模块发热面与导热 板 21正面压紧。 此时长螺杆 34与下锁紧块 33的螺纹收紧力就转化为上、 下 锁紧块对电子模块的压紧力， 这时锁紧装置 3涨紧、 复位压簧 35压紧、 电子 模块固定， 电子模块发热面与导热板 21正面紧密贴合， 热量以很小的热阻传 递出去。 要拔出电子模块时， 拧松长螺杆 34, 长螺杆 34在复位压簧 35的作 用下向初始位置移动， 长螺杆 34同时带动上、 下锁紧块沿与固定座 31的贴 合面复位， 从而松开上、 下锁紧块， 此时模块就可拔出。
本发明所提供的热管散热机拒， 在当今国内外移动基站设备中， 具有独 特的结构形式和功能特点， 使得室内基站设备的内部电子模块可直接应用到 室外微基站中， 因此可极大地降低室外微基站的研发成本， 缩短研发周期。 并且由于釆用了大功率散热锁紧装置来固定模块， 与传统固定方式相比， 在 微基站的安装操作性、 可维修性方面取得了巨大进步。
最后所应说明的是， 以上实施例仅用以说明本发明的技术方案而非限制， 尽管参照较佳实施例对本发明进行了详细说明， 本领域的普通技术人员应当 理解， 可以对本发明的技术方案进行修改或者等同替换， 而不脱离本发明技 术方案的精神和范围， 其均应涵盖在本发明的权利要求范围当中。

Claims

权利要求
1、 一种热管散热机柜， 包括机拒主体， 所述的机拒主体由机架、 前门、 后 盖及底座组成，机架固定在底座上，其特征在于还包括热管散热器和锁紧装置， 所述的机架由机框、 导热支撑板、 标准插箱和 U型导热导轨组成， 导热支撑板 和标准插箱固定在机框内且导热支撑板固定在标准插箱的下方, U 型导热导轨 固设在标准插箱的上、 下内壁上， 上、 下一对 U型导热导轨形成一个插槽， 热 管散热器的导热板固定在机拒内一对 u型导热导轨上； 锁紧装置插入 u型导热 导轨， 用于将发热电子模块紧密压接在热管散热器上。
2、 根据权利要求 1所述的热管散热机拒， 其特征在于： 所述的机框为金属 薄板弯折焊接成型的四方型机拒骨架， 其前、 后开口分别与前门、 后盖对应'设 置， 前门和后盖分别固定在机框的前、 后两面并围设成机拒主体的内腔， 机框 的上方开设用于将热管散热器置入机拒主体内腔的开孔。
3、 根据权利要求 1或 2所述的热管散热机拒， 其特征在于： 所述的散热器 由导热板、 一个以上热管、 一个以上散热片和密封盖板组成， 散热片上开设有 通孔， 热管为 L形圆管， 热管的弯折端通过所述通孔穿设在散热片内， 热管的 直端嵌设在导热板一侧上开设的半圆形固定凹槽中， 导热板的另一侧为用于贴 合在发热电子模块上的光滑平整表面； 导热板上下开有两排螺紋孔， 用于和 U 型导热导轨螺接， 导热板的正面和 U型导热导轨其中一面内壁在同一平面上， 一对联接后的 U型导热导轨和导热板形成一个半封闭的插槽； 密封盖板的形状 与机框上方开设的用于将散热器置入机拒主体内腔的开孔形状相同， 密封盖板 上开设有通孔， 热管穿设在通孔处。
4、根据权利要求 1所述的热管散热机拒， 其特征在于： 所述的锁紧装置由 固定座、 上锁紧块、 下锁紧块、 长螺杆、 复位压簧和挡圈组成， 固定座为一金 属长条块， 固定座和上、 下锁紧块内设有通孔， 长螺杆穿设在通孔内， 上、 下 锁紧块分别穿设在长螺杆上并设置在固定座的两端，长螺杆的一端部设有凹槽， 挡圈嵌设在凹槽中， 复位压簧固定在固定座的内部。
5、 根据权利要求 4所述的热管散热机拒， 其特征在于： 所述的固定座的两 端面为 45° 斜面，上、下锁紧块的内侧端面与固定座的端面对应设置为 45° 斜 面。
6、 根据权利要求 4所述的热管散热机拒， 其特征在于： 所述的上锁紧块的 通孔内壁和长螺杆的端部外表面对应开设有螺纹。
7、根据权利要求 1所述的热管散热机拒， 其特征在于： 所述的导热支撑板 是由金属薄板折弯成型的 U型结构件， 导热支撑板与机框底部螺接， 并与机框 的侧面点焊连接。
PCT/CN2004/001566 2004-12-29 2004-12-29 Enceinte de dispersion thermique de type caloduc Ceased WO2006069482A1 (fr)

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US20160169594A1 (en) * 2013-07-29 2016-06-16 Ge Intelligent Platforms, Inc. Heatspreader with extended surface for heat transfer through a sealed chassis wall
CN106706963A (zh) * 2015-07-28 2017-05-24 国网智能电网研究院 一种大功率压接式igbt封装模块压装测试夹具
CN106706963B (zh) * 2015-07-28 2024-05-31 国网智能电网研究院 一种大功率压接式igbt封装模块压装测试夹具
CN106714500A (zh) * 2017-02-28 2017-05-24 天津凯发电气股份有限公司 一种电气化铁路保护测控装置的多功能机箱
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CN112033181A (zh) * 2020-09-14 2020-12-04 豆芳芳 一种加固防抖防高温散热器
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CN113923936B (zh) * 2021-08-30 2023-08-25 国网安徽省电力有限公司枞阳县供电公司 一种电力电子模块和电力电子元器件封装基板
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