WO2015192499A1 - 一种光模块散热装置及利用该散热装置的通信设备 - Google Patents
一种光模块散热装置及利用该散热装置的通信设备 Download PDFInfo
- Publication number
- WO2015192499A1 WO2015192499A1 PCT/CN2014/086562 CN2014086562W WO2015192499A1 WO 2015192499 A1 WO2015192499 A1 WO 2015192499A1 CN 2014086562 W CN2014086562 W CN 2014086562W WO 2015192499 A1 WO2015192499 A1 WO 2015192499A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- optical module
- heat dissipation
- guide rail
- conducting block
- Prior art date
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4256—Details of housings
- G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
- G02B6/4261—Packages with mounting structures to be pluggable or detachable, e.g. having latches or rails
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4266—Thermal aspects, temperature control or temperature monitoring
- G02B6/4268—Cooling
- G02B6/4269—Cooling with heat sinks or radiation fins
Definitions
- the present invention relates to the field of electronic communications, and in particular, to a heat dissipation device for an optical module and a communication device using the same.
- FIG. 1 A common heat dissipation device for an optical module is shown in FIG. 1.
- a system board 12 is disposed in a space surrounded by the device housing 11, and a metal rail 13 is disposed on the system board 12, and the optical module 14 passes through a hole in the device housing 11. 15 is inserted into the metal rail 13 to be connected to other hardware (not shown) on the system board 12, and then pulled out when not in use.
- a heat dissipation block 16 is disposed above the optical module 14 , and the heat dissipation teeth 17 on the heat dissipation block 16 extend away from the optical module 14 .
- This structure causes the height of the entire optical module assembly to multiply. Since the optical module is a larger device on the system board, this determines the overall space thickness of the system version, which is not conducive to the miniaturization of the system.
- the technical problem to be solved by the present invention is how to provide a heat dissipation device for an optical module and a communication device using the same, which can not only ensure heat dissipation efficiency, but also effectively solve the problem of high definition of optical module components, thereby facilitating the system. Miniaturization.
- an embodiment of the present invention provides a heat dissipation device for an optical module, including a guide rail.
- the guide rail is disposed on the circuit board for accommodating the optical module, and the rail is covered with a heat conducting block.
- a heat dissipating tooth is formed in a partial region, and the heat dissipating tooth is located at a tail portion of the guide rail.
- the heat dissipating teeth extend toward a direction close to the circuit board such that the heat dissipating teeth and the rail are located on the same side of the heat conducting block.
- the rail may be disposed as a heat transfer rail to transfer heat indirectly, or an opening may be provided on a surface of the rail.
- the heat conducting block is brought into contact with the light module inserted in the guide rail through the opening to directly transfer heat.
- the height of the heat dissipating teeth can be made smaller than the height of the guide rails, so that a gap can be left between the heat dissipating teeth and the circuit board, which is convenient for installation and facilitates heat dissipation.
- the shape of the heat conducting block may be determined according to the heat dissipation intensity and the size of the guide rail that houses the light module. For example, in some embodiments of the present invention, a length of a portion of the heat conducting block on which the heat dissipating teeth are formed may be set to be larger than a length of the remaining area of the heat conducting block; in other technical solutions of the present invention The width of the portion of the heat conducting block on which the heat dissipating teeth are formed may be set to be larger than the width of the remaining area of the heat conducting block.
- the height and arrangement density of the heat dissipating teeth may also vary according to actual conditions. For example, in some embodiments of the present invention, the farther away from the optical module inserted in the guide rail, the smaller the height of the heat dissipating tooth; in other technical solutions of the present invention, the farther away from being inserted into the guide rail
- the light module has a sparse distribution of the heat dissipating teeth.
- the heat dissipation device for an optical module of the present invention further includes a buckle for fixing the heat conduction block to the guide rail, the buckle comprising the surface of the heat conduction block a main plane extending from opposite sides of the main plane to form two opposite sides perpendicular to the main plane, each side being provided with an opening, the opening and the rail disposed on the rail
- the fasteners match.
- a hollow is formed on the main plane to form a claw extending in a space facing the hollow, and a surface of the heat conductive block is formed by a groove, and the claw is buckled in the groove to improve the The fastening force of the buckle.
- the claws may also be inclined toward the direction of the heat conducting block to apply a certain pressure to the heat conducting block to further increase the fastening force of the buckle.
- a transverse rib is formed in the hollow space of the main plane of the buckle to ensure the buckle Strength of.
- the embodiment of the present invention further provides a communication device, including a device housing, wherein the device housing is provided with a circuit board, and the circuit board is provided with a heat dissipation device for the optical module for dissipating heat of the optical module thereon.
- the light module heat dissipation device is the light module heat dissipation device in any one of the above technical solutions.
- the heat dissipating teeth on the heat conducting plate are located at the tail portion of the rail, and the heat dissipating teeth extend toward the circuit board to enable The heat dissipating tooth and the rail are located on the same side of the heat conducting block, which reduces the height of the optical module assembly and effectively solves the optical module assembly, compared with the structure in which the heat dissipating teeth and the rail are located on both sides of the heat conducting block.
- the problem of high height limitation is beneficial to the miniaturization of the system, and the heat dissipation of the heat transfer block and the heat dissipation of the heat dissipating teeth also ensure the heat dissipation efficiency of the heat sink.
- FIG. 1 is a schematic diagram of a heat dissipation device of an optical module in the related art
- FIG. 2 is a schematic diagram of a heat dissipation device for an optical module according to an embodiment of the present invention
- FIG. 3 is a schematic view of a guide rail in the heat dissipation device of the optical module shown in FIG. 2;
- FIG. 4a is a schematic view of a heat conducting block in the optical module rapid heat dissipation device shown in FIG. 2;
- Figure 4b is a side view of the thermal block shown in Figure 4a;
- FIG. 4c and 4d are schematic views of variations of the heat conducting block shown in Fig. 4a;
- FIG. 4e and 4f are schematic views showing a modification of the heat dissipating tooth shown in Fig. 4b;
- FIG. 5 is a schematic view of a buckle in the heat dissipation device of the optical module shown in FIG. 2;
- FIG 6 is a schematic view of the thermal block shown in Figure 4a assembled with the clip shown in Figure 5.
- Figure 1 11 - equipment housing, 12-system board, 13-metal rail, 14-light module, 15-hole, 16-heat block, 17-heating teeth;
- Figure 2 to Figure 6 21-circuit board, 22-rail, 221-screw hole, 222-fastener, 23-thermal block, 231-groove, 24-heating tooth, 25-opening, 26-fastening , 261 - main plane, 262 - side, 263 - opening, 264 - claw, 265 - transverse reinforcement.
- the heat dissipation device of the optical module includes a guide rail 22 disposed on the circuit board 21 for accommodating an optical module (not shown).
- the guide rail 22 can be mounted on the circuit through a connection structure such as a screw hole 221
- the guide rail 22 is covered with a heat conducting block 23, and a heat dissipating tooth 24 is formed in a partial area on the heat conducting block 23, and the heat dissipating tooth 24 is located at the tail end of the guide rail 22 (in Fig. 2, the right side of the guide rail 22 is the tail portion thereof)
- the heat dissipating teeth 24 extend toward the circuit board 21 such that the heat dissipating teeth 24 and the rails 22 are located on the same side of the heat conducting block 23.
- the heat dissipating teeth 24 on the heat conducting plate 23 are located at the tail of the rail 22, and the heat dissipating teeth 24 extend toward the circuit board 21 such that the heat dissipating teeth 24 and the rail 22 are located on the same side of the heat conducting block 23.
- the height of the optical module assembly is reduced, and the problem of the height limitation of the optical module assembly is effectively solved, thereby facilitating miniaturization of the system and heat conduction.
- Block heat transfer and heat dissipation of the heat dissipating teeth also ensure the heat dissipation efficiency of the heat sink.
- the guide rail 22 may be disposed as a heat transfer guide to indirectly transfer heat, and the guide rail 22 is preferably a metal guide rail having good heat transfer performance.
- an opening 25 may be provided in the surface of the guide rail 22, and the heat conducting block 23 is brought into contact with the optical module inserted in the guide rail 22 through the opening 25 to directly transfer heat.
- the height of the heat dissipating teeth 24 can be made smaller than the height of the guide rails 22, so that the purpose is to leave a gap between the heat dissipating teeth 24 and the circuit board 21, which not only facilitates the heat conducting block 23 The installation and the use of the gap for heat dissipation prevent the heat radiated from the heat dissipating teeth 24 from damaging other components on the circuit board 21.
- Figure 4a shows the basic structure of the heat-conducting block 23 used in the embodiment of the heat-dissipating device of the optical module.
- the shape of the heat-conducting block 23 in the embodiments of the present invention may be based on the heat-dissipating strength and the light-receiving module.
- the size of the guide rail 22 is determined such that the shape of the heat transfer block 23 can be varied according to actual requirements.
- the length of the partial region of the heat conductive block 23 on which the heat dissipating teeth 24 are formed may be set to be larger than The length of the remaining area on the heat conducting block 23, that is, the length of the heat conducting block 23 is extended toward the tail thereof.
- the width of the partial region of the heat conductive block 23 on which the heat dissipating teeth 24 are formed may be formed. It is set to be larger than the width of the remaining area on the heat conducting block 23, that is, the width of the heat conducting block 23 is expanded toward both sides.
- Fig. 4b shows the basic structure of the heat dissipating teeth 24 used in the embodiment of the above-described optical module heat sink, but in actual use, the height and arrangement density of the heat dissipating teeth 24 can also be varied according to actual conditions.
- the farther away from the optical module inserted in the guide rail 22 the thinner and looser the distribution of the heat dissipating teeth 24, which not only saves material, but also increases heat dissipation. It facilitates the transfer of heat to the outside of the heat sink.
- a positioning device may be provided to connect the heat conducting block 23 and the guide rail 22, so that the position of the heat conducting block 23 is fixed, and the heat conducting block is fixed. It is also possible to better contact the heat generating surface of the optical module by the positioning device.
- the positioning device may be a buckle 26 for fixing the heat conductive block 23 on the guide rail 22, and the buckle 26 can increase the fastening force between the heat conductive block 23 and the light film block, so that the optical module is close to the heat conductive block 23.
- the clip 26 includes a main plane 261 adapted to the surface of the heat conducting block 23, and two opposite sides 262 perpendicular to the main plane 261 are formed extending from opposite sides of the main plane 261, each Each of the side surfaces 262 is provided with an opening 263.
- the opening 263 cooperates with the fastener 222 disposed on the guide rail 22.
- the structure of the mating is specifically as shown in FIG.
- the fastener provided on the guide rail 22 may be an elastic member, and the opening 263 may be a hole on the side surface 262 of the buckle 26 that matches the elastic member.
- the position of the heat conducting block 23 is fixed by the engagement of the elastic member and the card hole.
- the buckle 26 in this embodiment can also be regarded as a casing sleeve matching the guide rail 22, as shown in FIG. 6, and the casing sleeve (ie, the buckle 26) is first used in the assembly.
- the heat conducting block 23 is then caught on the fastener 222 of the guide rail 22 by the opening 263 of the outer casing, so that the outer casing is sleeved on the outer surface of the guide rail 22, so that the lower surface of the heat conducting block 23 is in close contact with the optical module. Better heat dissipation.
- the claw 264 extending from the hollow space is formed on the main plane 261 of the buckle 26, and the surface of the heat conducting block 23 is formed by the groove 231, and the claw 264 is buckled.
- the groove 231 in order to increase the fastening force of the buckle 26.
- the buckle 26 of the buckle 26 is provided with six claws 264.
- a groove 231 matching the six claws 264 is disposed on the heat conducting block 23, and the heat conducting block 23 is tightly fastened on the light module through the claw 264 and the groove 231, thereby further increasing the heat conducting block 23
- the fastening force between the optical module and the optical module further improves the heat dissipation effect of the heat conductive block 23.
- the number of the claws 264 in this embodiment may be set according to actual conditions, and may be one or more.
- the claws 264 can also be inclined toward the direction of the heat transfer block 23 to have a certain deformation (i.e., have a certain elasticity), so that the guide heat block 23 exerts a certain pressure to further increase the fastening force of the buckle 26.
- the fastening force of the buckle 26 is increased, the deformation of the buckle 26 under the action of the large fastening force is prevented, and the horizontal rib 265 can be disposed on the buckle 26, and the transverse rib 26 is disposed on the main plane 261 of the buckle 26 In the space, the main plane edges on both sides of the hollow space are connected to ensure that the buckle 26 has sufficient strength.
- the structural shape of the heat dissipation device of the optical module in the above embodiments reduces the height of the optical module assembly, but causes the lateral area occupied by the heat conduction block 23 to increase. Nonetheless, since the main chip is generally surrounded by passive components with low height, the density of the devices on the board can be kept constant according to a reasonable layout.
- the embodiment of the present invention further provides a communication device, including a device housing, wherein the device housing is provided with a circuit board, and the circuit board is provided with a heat dissipation module for the optical module thereon.
- the light module heat dissipation device is the light module heat dissipation device in any of the above embodiments.
- the heat dissipating teeth on the heat conducting plate are located at the tail portion of the rail, and the heat dissipating teeth extend toward the circuit board to enable The heat dissipating tooth and the rail are located on the same side of the heat conducting block, which reduces the height of the optical module assembly and effectively solves the optical module assembly, compared with the structure in which the heat dissipating teeth and the rail are located on both sides of the heat conducting block.
- the problem of high height limitation is beneficial to the miniaturization of the system, and the heat dissipation of the heat transfer block and the heat dissipation of the heat dissipating teeth also ensure the heat dissipation efficiency of the heat sink.
Abstract
Description
Claims (10)
- 一种光模块散热装置,包括导轨,所述导轨设于电路板上用于容纳光模块,所述导轨上覆盖有导热块,所述导热块上的部分区域中形成有散热齿,所述散热齿位于所述导轨的尾部,且所述散热齿朝向靠近电路板的方向延伸以使所述散热齿和所述导轨位于所述导热块的同侧。
- 根据权利要求1所述的光模块散热装置,其中,所述导轨为传热导轨;或者,所述导轨的表面上设有开孔,所述导热块通过所述开孔与插在所述导轨中的光模块形成接触。
- 根据权利要求1或2所述的光模块散热装置,其中,所述散热齿的高度小于所述导轨的高度,在所述散热齿与所述电路板之间留有空隙。
- 根据权利要求3所述的光模块散热装置,其中,所述导热块上形成有散热齿的部分区域的长度大于所述的导热块上其余区域的长度;或者,所述导热块上形成有散热齿的部分区域的宽度大于所述导热块上其余区域的宽度。
- 根据权利要求3所述的光模块散热装置,其中,越远离插在所述导轨中的光模块,所述散热齿的高度越小;或者,越远离插在所述导轨中的光模块,所述散热齿的分布越稀疏。
- 根据权利要求1或2所述的光模块散热装置,其中,还包括扣具,所述扣具将所述导热块固定在所述导轨上,所述扣具包括与所述导热块的表面相适应的主平面,从所述主平面的两相对侧边开始延伸形成有垂直于所述主平面的两个相对侧面,每个侧面上均设有开口,所述开口与设在所述导轨上的扣件相配合。
- 根据权利要求6所述的光模块散热装置,其中,在所述主平面上镂空形成由朝向镂空的空间内延伸的扣爪,所述导热块的表面上形成由凹槽,所述扣爪扣在所述凹槽中。
- 根据权利要求7所述的光模块散热装置,其中,所述扣爪朝向所述导热块的方向倾斜。
- 根据权利要求7所述的光模块散热装置,其中,在所述主平面的镂空空间内形成有横筋。
- 一种通信设备,包括设备壳体,所述设备壳体内设有电路板,其特征在于,所述电路板上设有为其上的光模块散热的光模块散热装置,所述散热装置为如权利要求1-9中任一项所述的光模块散热装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14895040.5A EP3145287A4 (en) | 2014-06-19 | 2014-09-15 | Heat dissipation apparatus for optical module and communication device using heat dissipation apparatus |
RU2017100656A RU2669364C2 (ru) | 2014-06-19 | 2014-09-15 | Устройство рассеяния тепла для оптического модуля и устройство связи, применяющее устройство рассеяния тепла |
MYPI2016002252A MY197746A (en) | 2014-06-19 | 2014-09-15 | Heat dissipation apparatus for optical module and communication device using heat dissipation apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201410277436.5 | 2014-06-19 | ||
CN201410277436.5A CN105307450A (zh) | 2014-06-19 | 2014-06-19 | 一种光模块散热装置及利用该散热装置的通信设备 |
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WO2015192499A1 true WO2015192499A1 (zh) | 2015-12-23 |
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PCT/CN2014/086562 WO2015192499A1 (zh) | 2014-06-19 | 2014-09-15 | 一种光模块散热装置及利用该散热装置的通信设备 |
Country Status (5)
Country | Link |
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EP (1) | EP3145287A4 (zh) |
CN (1) | CN105307450A (zh) |
MY (1) | MY197746A (zh) |
RU (1) | RU2669364C2 (zh) |
WO (1) | WO2015192499A1 (zh) |
Cited By (1)
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CN106304786A (zh) * | 2016-08-30 | 2017-01-04 | 镇海建设集团有限公司 | 一种户外通信机柜 |
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CN109874281B (zh) * | 2019-03-29 | 2024-03-19 | 武汉联特科技股份有限公司 | 通讯设备及其具有散热结构的光模块 |
CN113156590B (zh) * | 2020-01-22 | 2022-07-19 | 华为技术有限公司 | 光模块的散热结构及通信设备 |
CN112038852A (zh) * | 2020-09-14 | 2020-12-04 | 东莞立讯技术有限公司 | 散热外壳与电连接器模块 |
CN115857113A (zh) * | 2021-09-24 | 2023-03-28 | 华为技术有限公司 | 光模块和光通信设备 |
CN216437764U (zh) * | 2021-12-17 | 2022-05-03 | 广东省新一代通信与网络创新研究院 | 一种射频拉远单元散热外壳及射频拉远单元 |
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- 2014-09-15 WO PCT/CN2014/086562 patent/WO2015192499A1/zh active Application Filing
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CN1530737A (zh) * | 2003-03-17 | 2004-09-22 | 扬明光学股份有限公司 | 积分柱承托装置 |
CN1946277A (zh) * | 2006-10-30 | 2007-04-11 | 陈鸿文 | 高效无风扇散热装置 |
CN102128364A (zh) * | 2010-01-20 | 2011-07-20 | 台达电子工业股份有限公司 | 照明装置及其发光模块 |
CN102155685A (zh) * | 2011-02-18 | 2011-08-17 | 深圳市华星光电技术有限公司 | 背光模块 |
CN102299127A (zh) * | 2011-07-13 | 2011-12-28 | 台达电子企业管理(上海)有限公司 | 用于封装元件的双向散热器及其组装方法 |
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CN106304786A (zh) * | 2016-08-30 | 2017-01-04 | 镇海建设集团有限公司 | 一种户外通信机柜 |
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RU2669364C2 (ru) | 2018-10-11 |
MY197746A (en) | 2023-07-12 |
CN105307450A (zh) | 2016-02-03 |
RU2017100656A (ru) | 2018-07-19 |
EP3145287A1 (en) | 2017-03-22 |
RU2017100656A3 (zh) | 2018-07-19 |
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