WO2017113549A1 - 一种安防摄像头模组及其封装工艺 - Google Patents

一种安防摄像头模组及其封装工艺 Download PDF

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Publication number
WO2017113549A1
WO2017113549A1 PCT/CN2016/079524 CN2016079524W WO2017113549A1 WO 2017113549 A1 WO2017113549 A1 WO 2017113549A1 CN 2016079524 W CN2016079524 W CN 2016079524W WO 2017113549 A1 WO2017113549 A1 WO 2017113549A1
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camera module
flexible circuit
circuit board
module structure
security camera
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PCT/CN2016/079524
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English (en)
French (fr)
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王军
洪广
裘勇
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杭州雄迈信息技术有限公司
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Publication of WO2017113549A1 publication Critical patent/WO2017113549A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

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  • the invention relates to a security camera module and a packaging process thereof, and belongs to the technical field of electronic products.
  • the security camera module is used in the field of security monitoring. With the development of the information age and the advancement of technology, it has entered thousands of households, especially the arrival of the mobile Internet era, which will further drive the demand for security modules to rise rapidly.
  • the object of the present invention is to compensate for the phenomenon of image virtual focus, dirt and the like which appear in the prior art described above, and to provide a security camera module structure with simple structure, low cost and easy assembly, which improves the reliability of the module.
  • the image sensor can be matched with different motherboards to realize large-scale standardized production of security camera modules and reduce inventory risks.
  • a security camera module structure including a lens, a dual filter switcher, and a sensor assembly, characterized in that: the lens, the dual filter switch, and the sensor The components are fixed by hot melt adhesive from top to bottom.
  • the sensor assembly includes a flexible circuit board and an image sensor, the image sensor is directly fixed On the surface of flexible circuit boards.
  • the dual filter switch and the corresponding position on the flexible circuit board are respectively provided with contacts, and the contacts cooperate to form a connection.
  • the bottom of the flexible circuit board is provided with a steel plate for fixing.
  • the flexible circuit board is provided with a gold finger, and the gold finger is connected to the gold finger on the external matching core processing board.
  • the gold fingers on the flexible circuit board are connected to the gold fingers on the external core processing board by brush welding.
  • the double filter switch and the steel plate are provided with positioning holes 9 at corresponding positions opposite to each other, and the double filter switch and the steel plate are fixedly matched with each other.
  • a corresponding position on both sides of the dual filter switch is provided with a positioning post that causes the image sensor to coincide with the center of the lens.
  • a packaging process for a security camera module structure characterized in that the lens, the dual filter switch and the sensor assembly are sequentially fixed by hot melt adhesive from top to bottom.
  • a packaging process for a security camera module structure includes the following steps:
  • the lens is fixed by the debugging tool, and then locked by hot melt glue, and connected with the double filter switcher to assemble a complete security camera module structure.
  • the beneficial effects of the present invention are: the invention directly implements the image sensor chip on a separate core processing board (such as a main control board), and simultaneously on the image sensor chip and the flexible board. And the double filter switch and the lens are fixed by the hot melt adhesive and dispensed, so that the structure of the module is more stable, and the virtual focus and dirt caused by assembly and other reasons are reduced, and the module is improved. Reliability, at the same time, the image sensor's board is connected to the core processing board through the connection pins, which can be matched with different core processing boards to reduce inventory risks and meet the needs of large-scale standardized production.
  • FIG. 1 is a schematic view showing the assembly structure of the security camera module of the present invention.
  • Figure 2 is a bottom view of the dual filter switch.
  • Figure 3 is a schematic view showing the assembly structure of the security camera module and external supporting equipment.
  • Fig. 4 is an effect diagram after the assembly is completed.
  • the present invention relates to a security camera module structure, including a lens 1, a dual filter switch 2, and a sensor assembly, a lens 1, a dual filter switch 2, and a sensor assembly from the top to the bottom.
  • the lower layer is sequentially fixed by hot melt adhesive.
  • the sensor assembly includes a flexible wiring board 3 and an image sensor 4, and the image sensor 4 is directly fixed to the surface of the flexible wiring board 3.
  • the flexible circuit board 3 is provided with a gold finger 7 which is connected to the gold finger 8 on the externally matched core processing board.
  • the camera module structure and the external supporting facilities (such as the main control board) of the present invention are locked by the lens positioning hole for positioning, and the core processing of the gold finger 7 on the flexible circuit board 3 and the external supporting (such as the main control board) is processed.
  • the gold finger 8 set at the corresponding position on the board is brushed and connected, and then directly through the screw lock It can complete the whole assembly and form a complete product.
  • the assembly is simple and the camera module structure is separated from the external supporting facilities (such as the main control board). It can achieve more matching, high scale and uniformity, suitable for large-scale standardized production. Different housings can be completed with the same mechanism, reducing the occurrence of sluggish materials assembled in the whole machine.
  • the double filter switch 2 and the flexible circuit board 3 of the present invention are respectively provided with contacts 5 at respective positions, the flexible circuit board 3 is provided with a steel plate 6 at the bottom, and the steel plate 6 at the bottom of the flexible circuit board 3 is fixed.
  • the contacts 5 are mated to each other to form a connection, and the dual filter switch 2 and the flexible circuit board 3 are fixed by hot melt adhesive to avoid contact failure.
  • the double filter switch 2 and the steel plate 6 are provided with positioning holes 9 at opposite positions of the steel plate 6, and the dual filter switch 2 and the steel plate 6 are fixed to each other.
  • a positioning post 10 is disposed at a corresponding position on both sides of the dual filter switcher 2, so that the center of the image sensor 4 coincides with the center of the lens 1 to avoid a problem that the center offset produces a vignetting angle and uneven brightness.
  • the invention also relates to a packaging process for a security camera module structure.
  • the lens 1, the dual filter switch 2 and the sensor assembly are sequentially fixed by hot melt adhesive from top to bottom, and the following steps are specifically included:
  • the image sensor 4 is directly fixed to the flexible wiring board 3, and the flexible wiring board 3 is fixed to the steel plate 6 at the bottom by hot melt adhesive, and the positioning filter hole 9 on the diagonal of the steel plate 6 positions the double filter switch 2 ;
  • the lens 1 is fixed by the debugging tool, and then locked by the hot melt glue, and connected with the double filter switch 2 to assemble a complete security camera module structure.
  • the module manufacturer can achieve uniform focusing and reduce the risk of image defects of the assembly machine of the whole machine.
  • the image sensor 4 is combined with the steel plate 6 through the flexible circuit board 3, so that the image sensor 4 can dissipate heat better and work. more stable.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Blocking Light For Cameras (AREA)
  • Studio Devices (AREA)

Abstract

本发明涉及电子产品技术领域，公开了一种安防摄像头模组结构及其封装工艺。摄像头模组结构包括镜头、双滤光片切换器以及传感器组件，所述镜头、双滤光片切换器以及传感器组件从上到下依次通过热熔胶固定，所述传感器组件包括柔性线路板和图像传感器，所述图像传感器直接固定于柔性线路板表面。所述柔性线路板上设置有金手指，该金手指与外部配套的核心处理板上的金手指相对应并通过刷焊连接。本发明还公开了安防摄像头模组结构的封装工艺，使模组的结构性更加稳定，减少因组装以及其他原因导致的虚焦、脏污等不良现象，图像传感器的单板通过连接管脚来与主板连接，可以做到与不同的主板搭配，减少库存风险，适应大规模标准化生产需要。

Description

一种安防摄像头模组及其封装工艺 技术领域
本发明涉及一种安防摄像头模组及其封装工艺，属于电子产品技术领域。
背景技术
安防摄像头模组应用于安防监控领域，伴随着信息时代的发展、科技的进步，已经走进了千家万户，特别是移动互联网时代的到来，必将进一步带动安防模组需求的迅速攀升。
目前很多厂家采用常规的模组形式，图像传感器和主控板合在一起，由于不同种类的图像传感器需要搭配不同类型的主控板，导致搭配方式繁琐，无法做到真正意义上的标准化生产，给模组生产厂家和整机组装厂家都带来了大量的库存风险以及较高的材料成本。另外，常规的双滤光片切换器通过引线连接，由于引线受到外部拉力会导致干涉风险，增加双滤光片切换器的故障率，出现图像虚焦、脏污等现象。
发明内容
本发明的目的是弥补上述现有技术出现的图像虚焦、脏污等现象，而提供一种结构简单、成本较低并易于组装的安防摄像头模组结构，它提升模组的可靠性程度，同时使图像传感器能够与不同主板搭配，实现安防摄像头模组的大规模标准化生产，减少库存风险。
为了实现上述目的，本发明采用的技术方案是：一种安防摄像头模组结构，包括镜头、双滤光片切换器以及传感器组件，其特征在于：所述镜头、双滤光片切换器以及传感器组件从上到下依次通过热熔胶固定。
所述传感器组件包括柔性线路板和图像传感器，所述图像传感器直接固定 于柔性线路板表面。
所述双滤光片切换器与柔性线路板上相应位置分别设置有触点，所述触点相互配合形成连接。
所述柔性线路板底部设有固定用的钢板。
所述柔性线路板上设置有金手指，该金手指与外部配套的核心处理板上的金手指相对应而连接。
所述柔性线路板上的金手指与外部配套的核心处理板上的金手指通过刷焊连接。
所述双滤光片切换器和钢板对角相应位置设有定位孔9，相互配合固定双滤光片切换器和钢板。
所述双滤光片切换器上两侧相应位置设有使图像传感器与镜头的中心重合的定位柱。
一种安防摄像头模组结构的封装工艺，其特征在于：将镜头、双滤光片切换器以及传感器组件从上到下依次通过热熔胶固定。
一种安防摄像头模组结构的封装工艺，包括以下步骤：
1)将图像传感器直接固定于柔性线路板上，柔性线路板通过热熔胶固定到底部的钢板上，钢板对角上的定位孔将双滤光片切换器进行定位；
2)双滤光片切换器与柔性线路板通过热熔胶固定；
3)镜头通过调试工装来定焦，再通过热熔胶来锁焦，并与双滤光片切换器连接，从而组装成完整的安防摄像头模组结构。
与现有技术相比，本发明的有益效果是：本发明通过将图像传感器芯片直接做到单独的核心处理板(如主控板)上面，同时在图像传感器芯片、柔性板 以及双滤光片切换器和镜头之间通过热熔胶固定并且点胶，使模组的结构性更加稳定，减少因组装以及其他原因导致的虚焦、脏污等不良现象，提升模组的可靠性能，同时，图像传感器的单板通过连接管脚来与核心处理板连接，可以做到与不同的核心处理板搭配，减少库存风险，适应大规模标准化生产需要。
附图说明
图1为本发明的安防摄像头模组装配结构示意图。
图2为双滤光片切换器仰视图。
图3为安防摄像头模组与外部配套设备的装配结构示意图。
图4为组装完成后的效果图。
附图标号：1、镜头，2、双滤光片切换器，3、柔性线路板，4、图像传感器，5、触点，6、钢板，7、金手指，8、金手指，9、定位孔，10、定位柱
具体实施方式
下面对本发明的实施例作进一步的说明。以下实施例仅对本申请进行进一步说明，不应理解为对本申请的限制。
如图1、2所示，本发明涉及一种安防摄像头模组结构，包括镜头1、双滤光片切换器2以及传感器组件，镜头1、双滤光片切换器2以及传感器组件从上到下依次通过热熔胶固定。传感器组件包括柔性线路板3和图像传感器4，图像传感器4直接固定于柔性线路板3表面。所述柔性线路板3上设置有金手指7，该金手指7与外部配套的核心处理板上的金手指8相对应而连接。
本发明所述摄像头模组结构与外部配套设施(如主控板)通过镜头定位孔锁住进行定位后，将柔性线路板3上的金手指7与外部配套(如主控板)的核心处理板上相应位置设置的金手指8进行刷焊连接，之后直接通过螺丝锁扣就 可以完成整个组装，形成完整的产品，组装简单且摄像头模组结构与外部配套设施(如主控板)分开，可以实现更多搭配，尺度高度统一，适合大规模的标准化生产，整机厂家针对不同的外壳只要一样的机构就可以完成，减少整机组装的呆滞料的产生。
本发明所述双滤光片切换器2与柔性线路板3上相应位置分别设置有触点5，所述柔性线路板3底部设有钢板6，柔性线路板3底部的钢板6起固定作用，使触点5相互配合形成连接，同时双滤光片切换器2与柔性线路板3通过热熔胶固定，避免接触不良。所述双滤光片切换器2和钢板6对角相应位置设有定位孔9，相互配合固定双滤光片切换器2和钢板6。所述双滤光片切换器2上两侧相应位置设有定位柱10，使图像传感器4的中心与镜头1的中心重合，避免中心偏移产生暗角，亮度不均等问题。
本发明还涉及一种安防摄像头模组结构的封装工艺，将镜头1、双滤光片切换器2以及传感器组件从上到下依次通过热熔胶固定，具体包括以下步骤：
1)将图像传感器4直接固定于柔性线路板3上，柔性线路板3通过热熔胶固定到底部的钢板6上，钢板6对角上的定位孔9将双滤光片切换器2进行定位；
2)双滤光片切换器2与柔性线路板3通过热熔胶固定；
3)镜头1通过调试工装来定焦，再通过热熔胶来锁焦，并与双滤光片切换器2连接，从而组装成完整的安防摄像头模组结构。
通过本发明的封装工艺可以实现模组厂家统一定焦，减少整机组装厂家的图像不良的风险，同时，图像传感器4通过柔性线路板3与钢板6结合，使得图像传感器4散热更好，工作更加稳定。
需要注意的是，上述具体实施方式仅为本专利的一个优化方案，本领域的技术人员根据上述构思所做的任何改动或改进，均在本专利的保护范围之内。

Claims (10)

  1. 一种安防摄像头模组结构，包括镜头(1)、双滤光片切换器(2)以及传感器组件，其特征在于：所述镜头(1)、双滤光片切换器(2)以及传感器组件从上到下依次通过热熔胶固定。
  2. 根据权利要求1所述的一种安防摄像头模组结构，其特征在于：所述传感器组件包括柔性线路板(3)和图像传感器(4)，所述图像传感器(4)直接固定于柔性线路板(3)表面。
  3. 根据权利要求2所述的一种安防摄像头模组结构，其特征在于：所述双滤光片切换器(2)与柔性线路板(3)上相应位置分别设置有触点(5)，所述触点(5)相互配合形成连接。
  4. 根据权利要求2或3所述的一种安防摄像头模组结构，其特征在于：所述柔性线路板(3)底部设有固定用的钢板(6)。
  5. 根据权利要求2所述的一种安防摄像头模组结构，其特征在于：所述柔性线路板(3)上设置有金手指(7)，该金手指(7)与外部配套的核心处理板上的金手指(8)相对应而连接。
  6. 根据权利要求5所述的一种安防摄像头模组结构，其特征在于：所述柔性线路板(3)上的金手指(7)与外部配套的核心处理板上的金手指(8)通过刷焊连接。
  7. 根据权利要求4所述的一种安防摄像头模组结构，其特征在于：所述双滤光片切换器(2)和钢板(6)对角相应位置设有定位孔(9)，相互配合固定双滤光片切换器(2)和钢板(6)。
  8. 根据权利要求1所述的一种安防摄像头模组结构，其特征在于：所述双滤光片切换器(2)上两侧相应位置设有使图像传感器(4)与镜头(1)的中心重合的定位柱(10)。
  9. 一种如权利要求1-8任一项所述的安防摄像头模组结构的封装工艺，其特征在于：将镜头(1)、双滤光片切换器(2)以及传感器组件从上到下依次通过热熔胶固定。
  10. 根据权利要求9所述的安防摄像头模组结构的封装工艺，其特征在于包括以下步骤：
    1)将图像传感器(4)直接固定于柔性线路板(3)上，柔性线路板(3)通过热熔胶固定到底部的钢板(6)上，钢板(6)对角上的定位孔(9)将双滤光片切换器(2)进行定位；
    2)双滤光片切换器(2)与柔性线路板(3)通过热熔胶固定；
    3)镜头(1)通过调试工装来定焦，再通过热熔胶来锁焦，并与双滤光片切换器(2)连接，从而组装成完整的安防摄像头模组结构。
PCT/CN2016/079524 2015-12-31 2016-04-16 一种安防摄像头模组及其封装工艺 WO2017113549A1 (zh)

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