WO2018082312A1 - 激光器和投影光源装置 - Google Patents

激光器和投影光源装置 Download PDF

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Publication number
WO2018082312A1
WO2018082312A1 PCT/CN2017/088626 CN2017088626W WO2018082312A1 WO 2018082312 A1 WO2018082312 A1 WO 2018082312A1 CN 2017088626 W CN2017088626 W CN 2017088626W WO 2018082312 A1 WO2018082312 A1 WO 2018082312A1
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WIPO (PCT)
Prior art keywords
laser
connector
hole
fixing plate
pcb board
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PCT/CN2017/088626
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English (en)
French (fr)
Inventor
周正平
刘宪
李屹
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深圳市光峰光电技术有限公司
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Publication of WO2018082312A1 publication Critical patent/WO2018082312A1/zh

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Definitions

  • the utility model relates to the technical field of electronic devices, in particular to a laser and a projection light source device using the same.
  • the commonly used laser module needs to be connected to an external power source.
  • a connector is arranged on the fixing plate of the laser module, and a gap is formed between the connector and the fixed plate, so that dust enters the inside of the laser module, thereby causing the laser module. Attenuation occurs.
  • the main object of the present invention is to provide a laser, which aims to solve the problem of poor sealing effect of the laser in the prior art.
  • the laser of the present invention includes a fixing plate, a PCB board connected to one side of the fixing board, and a connector penetrating the PCB board, the fixing board corresponding to the connector.
  • a through hole is formed in the position, the connector portion is received in the through hole, the connector forms a gap with a sidewall of the through hole, and the laser further includes a sealing member, and the sealing portion is partially filled in the Said gap.
  • the seal is sleeved on the connector.
  • the laser further comprises at least two connecting members, and the fixing plate is provided with at least two connecting holes, each connecting member passing through the PCB board and being accommodated in a connecting hole.
  • the laser further comprises at least two connector sleeves, each connector sleeve is disposed on a portion of the connector that exposes a connection hole, and each connector sleeve is sandwiched between the PCB board and the fixing Between the boards.
  • the fixing plate is provided with at least two positioning grooves, each connecting hole is in communication with a positioning groove, and each connecting piece sleeve portion is accommodated in a positioning groove.
  • the connecting member is further formed with an engaging portion at one end of the fixing plate, the PCB board is provided with a plurality of holes, each connecting member passes through a hole, and each engaging portion is engaged with a hole. Periphery.
  • the seal is made of an elastic material.
  • the connector includes a first connection terminal and a second connection terminal connected to the first connection terminal, the first connection terminal is received in the through hole, and the second connection terminal is disposed in the The PCB board is away from one side of the fixed board.
  • the laser further includes a housing and a laser module housed in the housing, the fixing plate is disposed on the housing, and the laser module is connected to the PCB board away from the fixing board One side and connected to the second connection terminal.
  • the present invention also provides a projection light source device including the laser.
  • the laser of the present invention includes a fixing plate, a PCB board connected to one side of the fixing board, and a connector penetrating the PCB board, the fixing board is provided with a through hole, and the connector is received in the through hole
  • the sealing member can fill the gap between the connector and the fixing plate to achieve sealing and dustproof, and is convenient to install.
  • FIG. 1 is a schematic structural view of an embodiment of a laser of the present invention
  • Figure 2 is a schematic structural view of a portion of the assembly of Figure 1;
  • Figure 3 is a cross-sectional view of Figure 2.
  • first, second, and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the utility model provides a laser.
  • FIG. 1 is a schematic structural view of an embodiment of a laser of the present invention
  • FIG. 2 is a schematic structural view of a portion of the assembly of FIG. 1
  • FIG. 3 is a cross-sectional view of FIG. 2, which will be described below in conjunction with FIG. 1, FIG. 2 and FIG.
  • the laser 100 includes a fixing plate 50, a PCB board 20 connected to one side of the fixing board 50, and a connector 30 disposed on the PCB board 20, and the fixing board 50 A through hole 53 is formed in a position corresponding to the connector 30, the connector 30 is partially received in the through hole 53, and the connector 30 and the side wall of the through hole 53 are formed with a gap 531, the laser A seal 11 is also included, which is partially filled in the gap 531, thereby achieving a seal dustproof and waterproof, and is convenient to install.
  • the connector 30 is soldered to the PCB board 20, and the sealing member 11 is sandwiched between the PCB board 20 and the fixing board 50.
  • the sealing member 11 is sleeved on the connector 30 to make the sealing effect better.
  • the laser 100 includes at least two connecting members 12, and the fixing plate 50 is provided with at least two connecting holes 52.
  • Each of the connecting members 12 passes through the PCB board 20 and is received in a connecting hole 52.
  • the board 20 and the connector 30 are fixed to the fixed board 50.
  • the connecting member may be a screw, and the connecting hole is a threaded hole.
  • the laser 100 further includes at least two connector sleeves 13. Each connector sleeve 13 is sleeved on a portion of the connector 12 that exposes a connection hole 52. Each connector sleeve 13 is sandwiched between the PCB board. Between the 20 and the fixing plate 50, the connecting member 12 is fastened to the fixing plate 50, and the arrangement of the connecting member sleeve 13 also reduces the processing cost of the fixing plate 50.
  • the fixing plate 50 is provided with at least two positioning slots, each connecting hole 52 is in communication with a positioning slot, and each connecting sleeve 13 is partially received in a positioning slot, and the positioning slot positions the connector sleeve 13.
  • An end portion of the connecting member 12 away from the fixing plate 50 is further formed with a locking portion, and the PCB board 20 is provided with a plurality of holes, each connecting member 12 passes through the hole, and each engaging portion is engaged with A peripheral edge of the hole allows the PCB board to be fastened to the fixing plate 50.
  • the seal 11 is made of an elastic material, and the seal 11 is pressed to fill the gap 531 between the connector 30 and the fixed plate 50.
  • the elastic material may be rubber or silica gel.
  • the connector 30 includes a first connection terminal 31 and a second connection terminal 33 connected to the first connection terminal 31.
  • the first connection terminal 31 is received in the through hole 53, and the second connection terminal 33
  • the first connection terminal 31 is electrically connected to an external power source, and the second connection terminal 33 is electrically connected to the laser module to supply power to the laser.
  • the laser 100 further includes a housing 70 and a laser module (not shown) housed in the housing 70, wherein the laser module includes a laser chip.
  • the fixing plate 50 is disposed on the housing 70, and the laser module (not shown) is connected to a side of the PCB board 20 away from the fixing board 50, and is connected to the second connection terminal. 33.
  • the fixing plate 50 is used to fix the laser module.
  • the utility model also provides a projection light source device, comprising the laser 100.
  • the specific structure of the laser 100 is referred to the above embodiment. Since the projection light source device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, and is no longer one by one. Narration.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Semiconductor Lasers (AREA)

Abstract

一种激光器（100）及一种投影光源装置，激光器（100）包括固定板（50）、连接于固定板（50）一侧的PCB板（20）、及穿设于PCB板（20）的连接器（30），固定板（50）上对应连接器（30）的位置开设有通孔（53），连接器（30）部分容纳于通孔（53），连接器（30）与通孔（53）的侧壁形成有间隙（531），激光器（100）还包括密封件（11），密封件（11）部分填充于间隙（531）。激光器（100）的连接器（30）与固定板（50）的连接处密封，达到防水防尘的效果，保证激光器模组工作环境的清洁。

Description

激光器和投影光源装置 技术领域
本实用新型涉及电子装置技术领域，特别涉及一种激光器和应用该激光器的投影光源装置。
 背景技术
目前常用的激光器模组需要与外部电源连通，一般采用激光器模组的固定板上设置连接器，连接器与固定板之间会形成有间隙，使得灰尘进入激光器模组内部，进而引起激光器模组发生衰减。
技术问题
因此，有必要对连接器与固定板的连接处进行密封，使得激光器模组与外部环境隔离，通常采用在连接器周边填充密封胶，然而这种密封方式操作不便且密封效果难以保证。
技术解决方案
本实用新型的主要目的是提供一种激光器，旨在解决现有技术中激光器的密封效果差的问题。
为实现上述目的，本实用新型提出的激光器包括固定板、连接于所述固定板一侧的PCB板、及穿设于所述PCB板的连接器，所述固定板上对应所述连接器的位置开设有通孔，所述连接器部分容纳于所述通孔，所述连接器与所述通孔的侧壁形成有间隙，所述激光器还包括密封件，所述密封件部分填充于所述间隙。
优选地，所述密封件套设于所述连接器。
优选地，所述激光器还包括至少两个连接件，所述固定板开设有至少两个连接孔，每一连接件穿过所述PCB板并容纳于一连接孔。
优选地，所述激光器还包括至少两个连接件套，每一连接件套套设于一连接件显露出一连接孔的部分，每一连接件套均夹设于所述PCB板和所述固定板之间。
优选地，所述固定板开设有至少两个定位槽，每一连接孔与一定位槽连通，每一连接件套部分容纳于一定位槽。
优选地，所述连接件远离所述固定板的一端还形成有卡合部，所述PCB板开设有若干孔，每一连接件穿过一孔，每一个卡合部卡合于一孔的周缘。
优选地，所述密封件采用弹性材料制成。
优选地，所述连接器包括第一连接端子和连接于所述第一连接端子的第二连接端子，所述第一连接端子容纳于所述通孔，所述第二连接端子设于所述PCB板远离所述所述固定板的一侧。
优选地，所述激光器还包括壳体和容纳于所述壳体的激光器模组，所述固定板盖设于所述壳体，所述激光器模组连接于所述PCB板远离所述固定板的一侧，并与所述第二连接端子连接。
本实用新型还提出一种投影光源装置，包括所述激光器。
 有益效果
本实用新型技术方案激光器包括固定板、连接于固定板一侧的PCB板和穿设于所述PCB板的连接器，所述固定板开设有通孔，所述连接器容纳于所述通孔，密封件能填充连接器与固定板之间的间隙而实现密封防尘，并且安装方便。
 附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本实用新型激光器一实施例的结构示意图；
图2为图1中部分组件的结构示意图；
图3为图2的剖视图。
附图标号说明：
标号 名称 标号 名称
100 激光器 33 第二连接端子
11 密封件 50 固定板
12 连接件 52 连接孔
13 连接件套 53 通孔
20 PCB 板 531 间隙
30 连接器 70 壳体
31 第一连接端子
本实用新型目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的最佳实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
需要说明，本实用新型实施例中所有方向性指示（诸如上、下、左、右、前、后……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，在本实用新型中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本实用新型要求的保护范围之内。
本实用新型提出一种激光器。
图1为本实用新型激光器一实施例的结构示意图；图2为图1中部分组件的结构示意图；图3为图2的剖视图，以下结合图1、图2及图3分别进行说明。
在本实用新型实施例中，该激光器100包括固定板50、连接于所述固定板50一侧的PCB板20、及穿设于所述PCB板20的连接器30，所述固定板50上对应所述连接器30的位置开设有通孔53，所述连接器30部分容纳于所述通孔53，所述连接器30与所述通孔53的侧壁形成有间隙531，所述激光器还包括密封件11，所述密封件11部分填充于所述间隙531，从而实现密封防尘防水，并且安装方便。
进一步地，所述连接器30焊接于所述PCB板20，所述密封件11夹设于PCB板20和固定板50之间。
所述密封件11套设于所述连接器30，使得密封效果更佳。
所述激光器100包括至少两个连接件12，所述固定板50开设有至少两个连接孔52，每一所述连接件12穿过所述PCB板20并容纳于一连接孔52，将PCB板20和连接器30固定于固定板50上。
进一步地，连接件可为螺钉，连接孔为螺纹孔。
所述激光器100还包括至少两个连接件套13，每一连接件套13套设于一连接件12显露出一连接孔52的部分，每一连接件套13均夹设于所述PCB板20和所述固定板50之间，使得连接件12与固定板50连接紧固，连接件套13的设置还降低了固定板50的加工成本。
所述固定板50开设有至少两个定位槽，每一连接孔52与一定位槽连通，每一连接件套13部分容纳于一定位槽，定位槽对连接件套13进行定位。
所述连接件12远离所述固定板50的一端还形成有卡合部，所述PCB板20开设有若干孔，每一连接件12穿过一所述孔，每一个卡合部卡合于一所述孔的周缘，使得PCB板与固定板50连接紧固。
所述密封件11采用弹性材料制成，密封件11被挤压而填充连接器30与固定板50之间的间隙531。
进一步地，所述弹性材料可为橡胶或硅胶。
所述连接器30包括第一连接端子31和连接于所述第一连接端子31的第二连接端子33，所述第一连接端子31容纳于所述通孔53，所述第二连接端子33设于所述PCB板20远离所述固定板50的一侧，第一连接端子31与外部电源电连接，第二连接端子33与激光器模组电连接，从而对激光器供电。
所述激光器100还包括壳体70和容纳于所述壳体70的激光器模组（未图示），其中，激光器模组包括激光芯片。所述固定板50盖设于所述壳体70，所述激光器模组（未图示）连接于所述PCB板20远离所述所述固定板50的一侧，并连接于第二连接端子33，所述固定板50用于固定激光器模组。
本实用新型还提出一种投影光源装置，包括所述的激光器100。该激光器100的具体结构参照上述实施例，由于本投影光源装置采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
以上所述仅为本实用新型的优选实施例，并非因此限制本实用新型的专利范围，凡是在本实用新型的发明构思下，利用本实用新型说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本实用新型的专利保护范围内。

Claims (10)

1、一种激光器，包括固定板（50）、连接于所述固定板（50）一侧的PCB板（20）、及穿设于所述PCB板（20）的连接器（30），所述固定板（50）上开设有通孔（53），所述连接器（30）部分容纳于所述通孔（53），所述连接器（30）与所述通孔（53）的侧壁形成有间隙（531），其特征在于，所述激光器还包括密封件（11），所述密封件（11）部分填充于所述间隙（531）。
2、如权利要求1所述的激光器，其特征在于，所述密封件（11）套设于所述连接器（30）。
3、如权利要求1所述的激光器，其特征在于，所述激光器还包括至少两个连接件（12），所述固定板（50）开设有至少两个连接孔（52），每一连接件（12）穿过所述PCB板（20）并容纳于一连接孔（52）。
4、如权利要求3所述的激光器，其特征在于，所述激光器还包括至少两个连接件套（13），每一连接件套（13）套设于一所述的连接件（12）显露出一连接孔（52）的部分，每一连接件套（13）均夹设于所述PCB板（20）和所述固定板（50）之间。
5、如权利要求4所述的激光器，其特征在于，所述固定板（50）开设有至少两个定位槽，每一连接孔（52）与一定位槽连通，每一连接件套（13）部分容纳于一定位槽。
6、如权利要求3所述的激光器，其特征在于，所述连接件（12）远离所述固定板（50）的一端还形成有卡合部，所述PCB板（20）开设有至少两个孔，每一连接件（12）穿过一孔，每一个卡合部卡合于一孔的周缘。
7、如权利要求1所述的激光器，其特征在于，所述密封件（11）采用弹性材料制成。
8、如权利要求1所述的激光器，其特征在于，所述连接器（30）包括第一连接端子（31）和连接于所述第一连接端子（31）的第二连接端子（33），所述第一连接端子（31）部分容纳于所述通孔（30），所述第二连接端子（33）设于所述PCB板（20）远离所述固定板（50）的一侧。
9、如权利要求8所述的激光器，其特征在于，所述激光器还包括壳体（70）和容纳于所述壳体（70）的激光器模组，所述固定板（50）盖设于所述壳体（70），所述激光器模组连接于所述PCB板（20）远离所述固定板（50）的一侧，并与所述第二连接端子（33）连接。
10、一种投影光源装置，其特征在于，包括如权利要求1-9任一项所述的激光器。
PCT/CN2017/088626 2016-11-03 2017-06-16 激光器和投影光源装置 WO2018082312A1 (zh)

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CN110275378A (zh) * 2018-03-16 2019-09-24 青岛海信激光显示股份有限公司 一种mcl激光器的密封结构及光源模组
US11570411B2 (en) 2019-01-10 2023-01-31 Hisense Laser Display Co., Ltd. Laser light source and laser projection device
CN115685658A (zh) * 2019-01-10 2023-02-03 青岛海信激光显示股份有限公司 一种激光光源及激光投影设备
US11592145B2 (en) 2019-01-10 2023-02-28 Hisense Laser Display Co., Ltd. Laser light source and laser projection device

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