WO2018201565A1 - 具有散热结构的激光探测装置 - Google Patents

具有散热结构的激光探测装置 Download PDF

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Publication number
WO2018201565A1
WO2018201565A1 PCT/CN2017/088462 CN2017088462W WO2018201565A1 WO 2018201565 A1 WO2018201565 A1 WO 2018201565A1 CN 2017088462 W CN2017088462 W CN 2017088462W WO 2018201565 A1 WO2018201565 A1 WO 2018201565A1
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Prior art keywords
heat dissipating
rotating mechanism
detecting device
heat dissipation
laser detecting
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PCT/CN2017/088462
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English (en)
French (fr)
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张瓯
朱亚平
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杭州欧镭激光技术有限公司
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Publication of WO2018201565A1 publication Critical patent/WO2018201565A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00

Definitions

  • the utility model relates to a laser detecting device with a heat dissipating structure, in particular to a heat dissipating structure for a laser detecting device and in which an air flow channel is arranged to form heat exchange.
  • heat dissipation is extremely important.
  • heat dissipation is extremely important.
  • the conventional lidar detection device design generally does not consider the heat dissipation method, or even if heat dissipation is considered, it is limited by the design space and structure, and heat dissipation cannot be achieved. Therefore, it is necessary to design a laser detecting device having a heat dissipating structure, which can effectively reduce the amount of heat dissipated during operation of the laser detecting device to prevent the laser from being damaged due to excessive temperature.
  • the object of the present invention is to provide a laser detecting device having a heat dissipating structure, which can effectively reduce the peripheral temperature of the components of the laser detecting device during operation, thereby realizing heat dissipation of the laser detecting device.
  • the utility model discloses a laser detecting device with a heat dissipating structure, comprising a supporting base and a rotating mechanism connected to the supporting base in the axial direction, the rotating mechanism rotating along the axial direction thereof and having a hollow receiving space,
  • the method includes a heat dissipation channel formed on the support base and a rotating mechanism connected thereto.
  • the heat dissipation passage includes an exhaust region which is a fluid passage formed between a heat dissipation hole provided at an axial end surface of the rotation mechanism and the accommodation space.
  • the heat dissipation holes are provided in pairs in the upper and lower end faces of the rotating mechanism in the axial direction.
  • the heat dissipation hole ring is disposed at an end surface of the rotating mechanism in the axial direction.
  • the heat dissipation passage includes an intake region which is a fluid passage formed in an axial through hole of the support base, the axial through hole partially or completely covering the rotation mechanism.
  • the exhaust region is in communication with the intake region.
  • the laser detecting device with a heat dissipating structure of the present invention further includes: an air guiding mechanism installed at a bottom of the supporting base and further communicating the air intake region to guide outside air to enter the Intake area.
  • the air guiding mechanism is a suction sheet fan.
  • the formation of the heat dissipation channel increases the air flow rate around the components of the laser detection device during operation, thereby reducing the ambient temperature.
  • the fluid passage constructed by combining the existing support base and the rotating mechanism, and further forming a heat dissipation passage, which effectively utilizes the existing structural space and achieves effective heat dissipation.
  • FIG. 1 is a schematic structural view of a laser detecting device having a heat dissipating structure according to a preferred embodiment of the present invention.
  • Fig. 2 is a partial enlarged view of Fig. 1;
  • FIG. 3 is a schematic diagram of heat dissipation according to a preferred embodiment of the present invention.
  • the laser detecting device having the heat dissipating structure includes a supporting base 1, a rotating mechanism 2, and a detecting mechanism 3 in this order from bottom to top. These mechanisms are sequentially connected in the axial direction via a coupling shaft.
  • the rotating mechanism 2 rotates at a high speed along its central axis, and at the same time, the detecting mechanism 3 is driven to rotate at a high speed via the coupling shaft.
  • the rotating mechanism 2 has a hollow receiving space to accommodate at least a power mechanism that provides high-speed rotation of the rotating mechanism 2.
  • the power mechanism and other components located in the accommodating space generate heat, which in turn raises its own temperature.
  • a pair of heat dissipation holes 21 are disposed in the upper and lower end faces of the rotary mechanism 2 in the axial direction, and the pair of heat dissipation holes 21 and the hollow accommodation space form a fluid passage along the axial direction of the rotation mechanism 2, and The heat and air are circulated for internal and external exchange to provide an exhaust area where heat is discharged outwardly with the air.
  • the heat dissipation holes 21 can be provided along the circumference of the upper and lower end faces to comprehensively consider the path of the fluid flow and effectively utilize the effective mounting structure in the accommodating space, so that the vertical holes can be formed vertically or close to the vertical shape. Fluid passage.
  • the shape of the heat dissipation holes 21 is not limited and may be a circular shape, a square shape, a long groove shape or other irregular shapes.
  • the size and number of the heat dissipation holes 21 can also be adjusted according to the actual heat dissipation effect.
  • At least one axial through hole is provided in the axial direction of the support base 1, which penetrates the upper and lower end faces of the support base 1 in the axial direction and is partially or completely covered by the rotating mechanism 2.
  • the axial through holes themselves form a fluid passageway that provides an inlet region for ambient air to enter.
  • the shape of the axial through hole is not limited and may be a circular shape, a square shape, a long groove shape or other irregular shapes.
  • the size and number of axial through holes can also be adjusted according to the actual heat dissipation effect.
  • the intake region may be in communication with the exhaust region, and when the two are connected, a heat dissipation passage 5 is formed.
  • a heat dissipation passage 5 is formed.
  • ambient air flows from the intake region to the exhaust region, and then together with the exhaust. Heat in the area is transferred outward via the exhaust zone.
  • a suction page fan 4 is also attached at the bottom of the support base 1 that communicates with the intake area to unidirectionally direct ambient air therethrough into the intake area.
  • the heat dissipation structure formed above forms a built-in thermal cycle system, which can prevent the laser detection device from causing local overheating during high-speed rotation, thereby avoiding failure and damage of components caused thereby.

Abstract

一种具有散热结构的激光探测装置，包括支承底座（1）和与支承底座（1）于轴向相连接的旋转机构（2），旋转机构（2）沿其轴向旋转且具有中空的容纳空间，还包括：散热通道（5），其形成于支承底座（1）和与之相连的旋转机构（2）。利用该具有散热结构的激光探测装置，可有效降低激光探测装置的零部件在工作时的周边温度，从而实现激光探测装置的散热。

Description

具有散热结构的激光探测装置 技术领域
本实用新型涉及一种具有散热结构的激光探测装置，特别涉及一种用于激光探测装置且在其中设置气流通道以形成热量交换的散热结构。
背景技术
对于激光3D雷达探测装置，散热是极为重要的。特别地，对于多路式激光扫描雷达，更加需要考虑激光器工作时产生的热量问题。在现有技术中，常规的激光雷达探测装置设计，一般没有考虑散热方式，或者，即使考虑了散热，但是受限于设计空间和结构而无法实现散热。由此，需要设计一种具有散热结构的激光探测装置，可以在激光探测装置运行时有效降低其散发的热量，以防止激光器由于温度过高而受到损坏。
实用新型内容
为了克服上述技术缺陷，本实用新型的目的在于提供一种车具有散热结构的激光探测装置，其可有效降低激光探测装置的零部件在工作时的周边温度，从而实现激光探测装置的散热。
本实用新型公开了一种具有散热结构的激光探测装置，包括支承底座和与所述支承底座于轴向相连接的旋转机构，所述旋转机构沿其轴向旋转且具有中空的容纳空间，还包括：散热通道，其形成于所述支承底座和与之相连的旋转机构。
优选地，所述散热通道包括：排气区域，其为设置在所述旋转机构沿轴向的端面的散热孔与所述的容纳空间之间形成的流体通道。
优选地，所述散热孔成对地设置在所述旋转机构沿轴向的上、下端面。
优选地，所述散热孔环设于所述旋转机构沿轴向的端面。
优选地，所述散热通道包括：进气区域，其为设置在所述支承底座的轴向通孔形成的流体通道，该轴向通孔为所述旋转机构部分地或者全部地覆盖。
优选地，所述排气区域与所述进气区域相连通。
进一步地，本实用新型的具有散热结构的激光探测装置还包括：导风机构，其装设于所述支承底座之底部且进一步连通所述进气区域以引导外部空气经由其而进入所述的进气区域。
优选地，所述导风机构为吸风页扇。
采用了上述技术方案后，与现有技术相比，具有以下有益效果：
1.散热通道的形成，增加了激光探测装置的零部件在工作时其周遭的空气流动速率，进而降低了其周边温度。
2.结合现有的支承底座与旋转机构而构建的流体通道，且进一步形成散热通道，其有效利用了现有的结构空间且实现了有效的散热。
3.结构合理紧凑且加工工艺简单。
附图说明
图1是本实用新型较佳实施方式之具有散热结构的激光探测装置的结构示意图。
图2是图1的局部放大图。
图3是本实用新型较佳实施方式的散热原理图。
附图标记：
1支承底座
2旋转机构       21散热孔
3探测机构
4吸风页扇
5散热通道。
具体实施方式
以下结合附图与具体实施例进一步阐述本实用新型的优点。
本发明中的“上”、“下”等对方向或位置的描述是以附图为例进行的说明，但根据实际需要也可以做出改变，所做的改变均包含在本发明保护范围内。
请参阅图1，示出了符合本实用新型较佳实施方式的具有散热结构的激光探测装置的结构示意图。该实施例中，具有散热结构的激光探测装置由下而上依次包括支承底座1、旋转机构2以及探测机构3。这些机构经由一联接轴而在轴向依次相联。在工作状态下，旋转机构2沿其中心轴高速旋转，同时，经由所述联接轴而带动探测机构3高速旋转。旋转机构2具有中空的容纳空间，以至少容纳提供旋转机构2高速旋转的动力机构。在工作状态下，位于容纳空间中的动力机构及其他零部件会产生热，进而会提升其自身温度。
请同时结合图2，在旋转机构2沿轴向的上、下端面设置有成对的散热孔21，成对的散热孔21与中空的容纳空间沿旋转机构2轴向形成了流体通道，可以供热量和空气流通以进行内外交换，为提供热量随着空气向外排出的排气区域。
可以理解的是，散热孔21可以沿着上、下端面的周缘而设以综合考虑流体流动的路径和有效利用容纳空间中的有效的安装结构，从而可以形成竖直状或接近于竖直状的流体通道。散热孔21的形状并不受限制，可以是圆形、方形、长槽形或者其他不规则形状。另外，散热孔21的大小和数量也可根据实际的散热效果而作调整。
进一步的，在支承底座1沿轴向的设置有至少一个轴向通孔，其贯穿支承底座1沿轴向的上、下端面并为旋转机构2部分地或者全部地覆盖。轴向通孔本身形成了流体通道，为提供环境空气进入的进气区域。
可以理解的是，轴向通孔的形状并不受限制，可以是圆形、方形、长槽形或者其他不规则形状。另外，轴向通孔的大小和数量也可根据实际的散热效果而作调整。
参阅图3，进气区域可与排气区域相连通，当两者连通时便形成了散热通道5，请同时结合图3，环境空气由进气区域流动至排气区域，随后便连同排气区域中的热量经由排气区域而向外传递。在支承底座1的底部还装设有吸风页扇4，其连通进气区域以单向地引导环境空气经由其而进入进气区域。
以上所构成的散热结构形成了内置热循环系统，可以防止激光探测装置在高速旋转中引起局部过热，避免了由此造成零部件的故障与损坏。
应当注意的是，本实用新型的实施例有较佳的实施性，且并非对本实用新型作任何形式的限制，任何熟悉该领域的技术人员可能利用上述揭示的技术内容变更或修饰为等同的有效实施例，但凡未脱离本实用新型技术方案的内容，依据本实用新型的技术实质对以上实施例所作的任何修改或等同变化及修饰，均仍属于本实用新型技术方案的范围内。

Claims (8)

  1. 一种具有散热结构的激光探测装置，包括支承底座和与所述支承底座于轴向相连接的旋转机构，所述旋转机构沿其轴向旋转且具有中空的容纳空间，其特征在于，还包括：散热通道，其形成于所述支承底座和与之相连的旋转机构。
  2. 根据权利要求1所述的具有散热结构的激光探测装置，其特征在于，所述散热通道包括：排气区域，其为设置在所述旋转机构沿轴向的端面的散热孔与所述的容纳空间之间形成的流体通道。
  3. 根据权利要求2所述的具有散热结构的激光探测装置，其特征在于，所述散热孔成对地设置在所述旋转机构沿轴向的上、下端面。
  4. 根据权利要求2所述的具有散热结构的激光探测装置，其特征在于，所述散热孔环设于所述旋转机构沿轴向的端面。
  5. 根据权利要求2所述的具有散热结构的激光探测装置，其特征在于，所述散热通道包括：进气区域，其为设置在所述支承底座的轴向通孔形成的流体通道，该轴向通孔为所述旋转机构部分地或者全部地覆盖。
  6. 根据权利要求5所述的具有散热结构的激光探测装置，其特征在于，所述排气区域与所述进气区域相连通。
  7. 根据权利要求5所述的具有散热结构的激光探测装置，其特征在于，还包括：导风机构，其装设于所述支承底座之底部且进一步连通所述进气区域以引导外部空气经由其而进入所述的进气区域。
  8. 根据权利要求7所述的具有散热结构的激光探测装置，其特征在于，所述导风机构为吸风页扇。
PCT/CN2017/088462 2017-05-05 2017-06-15 具有散热结构的激光探测装置 WO2018201565A1 (zh)

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