WO2023029767A1 - 带观察窗的上光源和采用该上光源的线扫成像用光源 - Google Patents

带观察窗的上光源和采用该上光源的线扫成像用光源 Download PDF

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WO2023029767A1
WO2023029767A1 PCT/CN2022/105588 CN2022105588W WO2023029767A1 WO 2023029767 A1 WO2023029767 A1 WO 2023029767A1 CN 2022105588 W CN2022105588 W CN 2022105588W WO 2023029767 A1 WO2023029767 A1 WO 2023029767A1
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light source
plate
window
light
air
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PCT/CN2022/105588
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English (en)
French (fr)
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温延培
杨云仙
刘华雷
刘洋
曹葵康
徐一华
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苏州天准科技股份有限公司
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Publication of WO2023029767A1 publication Critical patent/WO2023029767A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device

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  • the invention belongs to the field of detection systems for plate-shaped devices such as semiconductors and circuit boards, and in particular relates to an upper light source with an observation window and a line-scan imaging light source using the upper light source.
  • the production of board materials or products such as circuit boards includes multiple processes, and the most important station is to perform optical measurement on the board surface of the board to be tested.
  • the light source is an important part of the detection system field of semiconductors, circuit boards and other plate-shaped devices. A stable light source ensures good detection results.
  • Existing optical detection devices generally adopt camera photography. Firstly, different optical imaging modules need to be designed for DUTs of different specifications and sizes, and they need to be matched with different lighting environments, which increases the cost; secondly, the optical environment is unstable.
  • the existing detection device needs to set up a separate observation window and another light source, that is, the two are independent, and the light environment in the middle is not easy to guarantee; this will affect the optical gray value of the surface imaging of the test piece, the overall imaging quality is poor, and the amount of detection is reduced. accuracy and effectiveness.
  • the present invention provides an upper light source with an observation window and a light source for line-scan imaging using the upper light source, which can solve the above problems.
  • An upper light source with an observation window including a window assembly, a light rod, an air-cooled lamp body, an end plate, a side plate and a power supply assembly; It is detachably installed on both ends of the air-cooled lamp body, and the window assembly is connected to the air-cooled lamp body from the light output side through the side plate and two end plates.
  • the window assembly includes a window plate, a semi-transparent and semi-reflective plate and a light-emitting vertical plate, the window plate is arranged horizontally, the light-emitting vertical plate is vertically arranged adjacent to the light bar, and the semi-transparent and semi-reflective plate is inclined The setting is between the window plate and the light-emitting vertical plate.
  • the window assembly also includes a window adapter plate, the plate body of the window adapter plate is arranged horizontally and detachably connected to the upper surface of the light-emitting side of the air-cooled lamp body;
  • the outer side is provided with a long side groove of the window, which is used for embedding the long side of the window plate facing the side of the air-cooled lamp body.
  • the air-cooled lamp body is integrally formed, and a lamp cavity is provided on the light-emitting side, and a vertical plate groove supporting the long side of the light-emitting vertical plate is provided on the outside of the two side plates of the lamp cavity.
  • a plurality of heat dissipation fins, the power supply components are arranged at both ends of the heat dissipation side of the air-cooled lamp body.
  • a plurality of fan slots are provided at intervals on the back side of the heat dissipation side of the air-cooled lamp body for embedding cooling fans, so as to enhance the effect of air cooling and heat dissipation.
  • the power supply assembly includes an aviation plug mounting plate, a plug support plate, an aviation plug and a power cord, and power supply installation gaps are provided at both ends of the heat dissipation side of the air-cooled lamp body for accommodating and connecting the power supply assembly.
  • the present invention also provides a light source for line-scan imaging, including a light bar, a light source bracket, a lower light adjustment assembly, an arc-shaped tile lamp, and the aforementioned upper light source; wherein, the upper light source, the arc-shaped tile lamp, and two lamps The strips are arranged on the light source support from top to bottom, the arc-shaped tile lamp adopts an arc-shaped lamp body with tile seams, and the height adjustment of the two light strips is realized under the drive of the lower light adjustment component; wherein, the upper The window plate of the light source passes through the tile seam and the gap between the two light bars, so as to realize the illumination of the object under the light bars and facilitate image collection.
  • the beneficial effect of the present invention lies in that the upper light source of the present application integrates illumination, observation window and heat dissipation, greatly reduces the occupied space, and provides stable illumination and technical support for image observation or collection.
  • the height of the lower light source of the overall light source is adjustable, which improves the illumination range and applicability.
  • the light source is convenient to popularize and apply in the fields of imaging detection of circuit boards, silicon wafers and the like.
  • Fig. 1 is the structural representation of the upper light source with observation window of the present invention
  • Fig. 2 is a schematic diagram of another viewing angle of an upper light source with an observation window
  • Figure 3 is a side view of the internal assembly of the upper light source
  • Fig. 4 is a schematic diagram of decomposition of the upper light source
  • Fig. 5 is a structural schematic diagram of an arc-shaped lamp body
  • Fig. 6 is a structural schematic diagram of a light source
  • Fig. 7 is a schematic structural diagram of an optical detection device.
  • Image acquisition module
  • the upper light source 50 includes a window assembly, a light rod 52, an air-cooled lamp body 53, an end plate 54, a side plate 55 and a power supply assembly.
  • the light rod 52 is embedded in the air-cooled lamp body 53 on the light-emitting side, and the two end plates 54 are detachably installed on both ends of the air-cooled lamp body 53, through the side plate 55 and the two end plates 54 connect the window assembly to the air-cooled lamp body from the light exit side.
  • the air-cooled lamp body 53 is integrally formed by molding, die-casting and other methods.
  • the material is engineering plastics or metal, preferably an alloy with good heat dissipation performance.
  • the two opposite sides of the air-cooled lamp body 53 are respectively the light-emitting side and the heat-dissipating side.
  • the light rod 52, the window assembly and the side plate 55 are arranged on the light emitting side, and the power supply assembly is arranged on the heat dissipation side.
  • the window assembly includes a window plate 51, a semi-transparent and semi-reflective plate 59 and a light-emitting vertical plate 58, the window plate 51 is arranged horizontally, the light-emitting vertical plate 58 is vertically arranged adjacent to the light rod 52, and the semi-transparent and semi-reflective
  • the counter plate 59 is obliquely arranged between the window plate 51 and the light exit vertical plate 58 .
  • the window plate 51 is not directly connected to the air-cooled lamp body 53, but connected through an adapter.
  • the window assembly also includes a window adapter plate 57, the plate body of the window adapter plate 57 is horizontally arranged and detachably connected to the upper surface of the light-emitting side of the air-cooled lamp body 53;
  • the outer side of the connecting plate 57 is provided with a window long side groove 571 for embedding the long side of the window plate 51 facing the side of the air-cooled lamp body 53; the solution of this embodiment is conducive to modular production.
  • a window short side groove 541 and an inclined groove 542 are provided at the outer end of the inner surface of the end plate 54, wherein the horizontally opened short side groove 541 of the window is used to support the short side of the window plate 51 , the inclined groove 542 is used to support the short side of the transflective plate 59 .
  • the angle ⁇ between the window plate 51 and the transflective plate 59 is 30° ⁇ 60°, preferably 45°, of course, 40°, 42°, 43°, 50°, 55°, etc. are optional
  • the matching angle can also be within the range of the included angle ⁇ , which will not be listed one by one here.
  • the inner side of the side plate 55 is provided with a straight groove 551 on the side plate horizontally near the upper edge, and a lower chute 552 on the side plate is provided obliquely near the lower edge, wherein the straight groove 551 on the side plate is used for The outer long side of the window plate 51 is supported, and the side plate lower chute 552 is used to support the lower long side of the inclined transflective plate 59 .
  • a light outlet is formed between the side plate 55 and the air-cooled lamp body 53, which is used to provide light to the bottom, and also provides an observation window.
  • a lamp cavity 532 is provided on the light emitting side of the air-cooled lamp body 53 for accommodating the light rod 52 .
  • a vertical plate groove 531 supporting the long side of the light-emitting vertical plate 58 is provided, and a plurality of heat dissipation fins 534 are arranged on the heat dissipation side of the air-cooled lamp body 53, which is air-cooled and heat-dissipated.
  • the power supply components are arranged at both ends of the heat dissipation side of the air-cooled lamp body 53 .
  • Corrugated patterns are provided on each cooling fin 534 to increase the cooling area.
  • a cooling groove is provided on the inner wall of the lamp cavity 532 to improve the cooling effect.
  • the light bar 52 is connected to a power source to emit light, or an additional narrow light bar is connected to a power supply assembly to emit light, which is embedded in the inner wall of the lamp cavity 532, and the light bar 52 is used as a spotlight bar to control the light emitted by the narrow light bar. Light spotlights.
  • a plurality of fan grooves 535 are provided at intervals on the back side of the heat dissipation side of the air-cooled lamp body 53 for embedding the heat dissipation fans 510 to enhance the effect of air-cooling heat dissipation.
  • the power supply assembly includes an aviation plug mounting plate 511, a plug supporting plate 512, an aviation plug 56 and a power cord (not shown in the figure), and a power supply installation gap 533 is provided at both ends of the heat dissipation side of the air-cooled lamp body 53 for Holds connections to the power supply assembly.
  • the window plate 51, the semi-transparent and semi-reflective plate 59 and the light-emitting vertical plate 58 are all made of transparent plates.
  • Plate 58 can adopt transparent acrylic plate or glass plate all can.
  • Other components such as the end plate 54 and the side plate 55 are made of engineering plastics or alloys with good heat dissipation, which are all opaque materials.
  • the light emitted by the light bar 52 emits light toward the light-emitting side on the horizontal plane, and the light passes through the light-emitting vertical plate 58, passes through the semi-transparent and semi-reflective plate 59, and divides into two paths, and one path passes through the side plate 55 and the air-cooled lamp body 53
  • the light outlet in between is reflected downwards, and all the way through the transflective plate 59 is refracted to provide illumination for the cavity between the window plate 51 and the transflective plate 59; this provides the possibility for illumination and observation at the same time, which is convenient in optical Applications in imaging detection devices.
  • the ratio of the width to the length of the light outlet of the upper light source 50 is 0.08-0.1.
  • the light source 100 includes a light bar 10 , a light source bracket 20 , a lower light adjustment assembly 30 , an arc tile lamp 40 and the aforementioned upper light source 50 .
  • the upper light source 50 , arc-shaped tile lamp 40 and two light bars 10 are arranged on the light source bracket 20 from top to bottom.
  • the lower light adjustment assembly 30 includes the lower light adjustment motor 31, the lower light adjustment screw rod 32, the lower light adjustment slider module 33 and the lower light lifting plate 34, the lower light adjustment motor 31 and the lower light adjustment slider module
  • the group 33 is fixed to the outer surface of the light source bracket 20
  • the lowering slider module 33 is fixedly connected with the lower light lifting plate 34
  • the lower light lifting plate 34 is connected to the adjustment port 21 on the upper part of the light source bracket 20.
  • the end faces of the light bar 10 are connected, and the light bar 10 is moved along the Z-axis by the drive of the lower light adjustment motor 31 to realize the height adjustment of the light bar 10 .
  • the arc-shaped tile lamp 40 adopts an arc-shaped lamp body 41 with a tile slit 42 (see FIG. 5 ).
  • the arc-shaped lamp body 41 is arc-shaped as a whole, and in one example, it is a semi-cylindrical ring with a semi-circular cross section. In other examples, the curved lamp body 41 can also be presented as shape, trapezoid etc.
  • a tile seam 42 is provided in the middle of the arc-shaped lamp body 41 along the axial direction.
  • the height adjustment of the two light bars 10 is realized under the driving of the lower light adjustment assembly 30 .
  • the window plate 51 of the upper light source 50 passes through the tile seam 42 and the gap between the two light bars 10 , so as to realize the illumination of objects under the light bars 10 and facilitate image collection.
  • the light source 100 using the upper light source 50 with an observation window is applied to an optical imaging device 1000.
  • the stage 300, the image acquisition module 200, the light source 100 and the mobile stage 300 are arranged from top to bottom.
  • the image acquisition module 200 uses a line-scan camera that moves under control in the XZ plane for image acquisition.
  • the mobile stage 300 is controlled to move and feed materials in the Y-axis direction; the image acquisition module 200 is connected to an image processor (not shown) by telecommunication.
  • connection relationship the image acquisition module 200, the light source 100 and the mobile platform 300 are arranged from top to bottom.
  • the image acquisition module 200 and the light source 100 adopt a gantry structure and straddle above the mobile platform 300 .
  • the image acquisition module 200 adopts two or three line-scan cameras arranged side by side, which is properly selected and adjusted according to the size of the object to be tested.

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Abstract

一种带观察窗的上光源(50)和采用上光源(50)的线扫成像用光源，上光源(50)包括视窗组件、光棒(52)、风冷灯体(53)、端板(54)、侧边板(55)和电源组件；视窗组件包括视窗板(51)、半透半反板(59)和出光立板(58);线扫成像用光源包括灯条(10)、光源支架(20)、下光调节组件(30)、弧形瓦灯(40)和上光源(50)；两个灯条(10)在下光调节组件的驱动下实现高度调节；上光源(50)的视窗板穿过瓦缝和两个灯条(10)之间的缝隙，以此实现对灯条(10)下方物体的光照且便于图像采集。上光源(50)集成了光照、观察窗和散热，极大地减小了占用空间，为稳定的光照和图像观察或采集提供了技术支撑。同时，整体光源的下光源(50)高度可调，使得光照范围和适用性提高，便于在线路板、硅片等成像检测领域推广应用。

Description

带观察窗的上光源和采用该上光源的线扫成像用光源 技术领域
本发明属于半导体、线路板等板状器件的检测系统领域，具体涉及一种带观察窗的上光源和采用该上光源的线扫成像用光源。
背景技术
现有技术中，如线路板等板件物料或产品的生产包括多个工序，其中最重要的工位是对待测板件的板面进行光学量检测。光源是半导体、线路板等板状器件的检测系统领域的重要组成部分，稳定的光源保证了良好的检测效果。
现有的光学检测装置一般采用相机拍照方式，首先对应不同规格尺寸的待测件，需要设计不同的光学成像模组，并匹配不同的光照环境，提高了成本；其次，其光学环境不稳定，现有的检测装置需要设置单独的观察窗，光源另外设置，即两者独立，中间的光照环境不易保证；这导待测件表面成像光学灰度值受影响，总体成像质量差，降低量检测准确度和效果。
发明内容
为了克服现有技术的不足，本发明提供了一种带观察窗的上光源和采用该上光源的线扫成像用光源，其能解决上述问题。
一种带观察窗的上光源，包括视窗组件、光棒、风冷灯体、端板、侧边板和电源组件；其中，所述光棒在出光侧嵌入风冷灯体内，两个端板可拆卸的安装在所述风冷灯体的两端，通过所述侧边板和两个端板将视窗组件从出光侧连接至所述风冷灯体。
进一步的，所述视窗组件包括视窗板、半透半反板和出光立板，所述视窗 板水平设置，所述出光立板临近所述光棒竖直设置，所述半透半反板倾斜的设置在视窗板和出光立板之间。
进一步的，所述视窗组件还包括一个视窗转接板，视窗转接板的板体水平设置并可拆卸的连接至所述风冷灯体出光侧的上表面；在所述视窗转接板的外侧边开设视窗长边槽，用于嵌接所述视窗板朝向风冷灯体一侧的长边。
进一步的，所述风冷灯体一体成型，在出光侧开设灯腔，在灯腔的两个边板外侧开设支撑出光立板的长边的立板槽，在风冷灯体的散热侧设置多个散热鳍片，所述电源组件设置在所述风冷灯体散热侧的两端。
进一步的，在所述风冷灯体散热侧的背面间隔的开设多个风扇槽，用于嵌设散热风扇，以增强风冷散热效果。
进一步的，所述电源组件包括航空插头安装板、插头支撑板、航空插头和电源线，在所述风冷灯体的散热侧两端开设电源安装缺口用于容纳连接所述电源组件。
本发明还提供了一种线扫成像用光源，包括灯条、光源支架、下光调节组件、弧形瓦灯和前述的上光源；其中，所述上光源、弧形瓦灯和两个灯条自上而下的布置在光源支架上，所述弧形瓦灯采用带瓦缝的弧形灯体，两个所述灯条在下光调节组件的驱动下实现高度调节；其中，所述上光源的视窗板穿过瓦缝和两个灯条之间的缝隙，以此实现对灯条下方物体的光照且便于图像采集。
相比现有技术，本发明的有益效果在于：本申请的上光源集成了光照、观察窗和散热，极大地减小了占用空间，提供了稳定的光照和图像观察或采集的技术支撑。整体光源的下光源高度可调，使得光照范围和适用性提高。该光源便于在线路板、硅片等成像检测领域推广应用。
附图说明
图1为本发明带观察窗的上光源的结构示意图；
图2为带观察窗的上光源另一视角的示意图；
图3为上光源的内部装配侧视图；
图4为上光源的分解示意图；
图5为弧形灯体的结构示意图；
图6为光源的结构示意图；
图7为光学检测装置的结构示意图。
图中，
1000、光学检测装置；
100、光源；
10、灯条；
20、光源支架；21、调节口；
30、下光调节组件；31、下光调节电机；32、下光调节丝杆；33、下调滑块模组；34、下光升降板；
40、弧形瓦灯；41、弧形灯体；42、瓦缝；
50、上光源；
51、视窗板；
52、光棒；
53、风冷灯体；531、立板槽；532、灯腔；533、电源安装缺口；534、散热鳍片；535、风扇槽；
54、端板；541、视窗短边槽；542、斜置槽；
55、侧边板；551、侧板上直槽；552、侧板下斜槽；
56、航空插头；
57、视窗转接板；571、视窗长边槽；
58、出光立板；
59、半透半反板；
510、散热风扇；
511、航空插头安装板；
512、插头支撑板；
200、图像采集模组；
300、移动载台。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
带观察窗的上光源
一种带观察窗的上光源，参见图1-图4，上光源50包括视窗组件、光棒52、风冷灯体53、端板54、侧边板55和电源组件。
连接关系：光棒52在出光侧嵌入风冷灯体53内，两个端板54可拆卸的安装在所述风冷灯体53的两端，通过所述侧边板55和两个端板54将视窗组 件从出光侧连接至所述风冷灯体。
其中，作为支撑主体，风冷灯体53一体成型，采用模塑加工、模铸等方法制成，材料采用工程塑料或金属，优先采用散热性能好的合金。风冷灯体53相对的两个侧面分别为出光侧和散热侧。光棒52、视窗组件和侧边板55设置在出光侧，电源组件设置在散热侧处。
其中，视窗组件包括视窗板51、半透半反板59和出光立板58，所述视窗板51水平设置，所述出光立板58临近所述光棒52竖直设置，所述半透半反板59倾斜的设置在视窗板51和出光立板58之间。
另一实施例中，视窗板51不是直接连接至风冷灯体53，而是通过转接件连接。具体的，所述视窗组件还包括一个视窗转接板57，视窗转接板57的板体水平设置并可拆卸的连接至所述风冷灯体53出光侧的上表面；在所述视窗转接板57的外侧边开设视窗长边槽571，用于嵌接所述视窗板51朝向风冷灯体53一侧的长边；该实施例的方案有利于模块化生产。
进一步的，在所述端板54内侧面的外端处开设视窗短边槽541和斜置槽542，其中，水平开设的所述视窗短边槽541用于支撑所述视窗板51的短边，所述斜置槽542用于支撑所述半透半反板59的短边。
其中，所述视窗板51与所述半透半反板59的夹角γ＝30°～60°，优选为45°，当然40°、42°、43°、50°、55°等可选配的角度也可夹角γ范围内，此处不再一一例举。
进一步的，所述侧边板55的内侧面临近上边处水平的开设侧板上直槽551，临近下边处斜向的开设侧板下斜槽552，其中所述侧板上直槽551用于支撑所述视窗板51的外侧长边，所述侧板下斜槽552用于支撑斜置的半透半反板59的下侧长边。
在半透半反板59的下方，侧边板55与风冷灯体53之间形成出光口，用于对下方提供光照，同时也提供了观察视窗。
在风冷灯体53的出光侧开设灯腔532，用以容纳光棒52。在灯腔532的两个边板外侧开设支撑出光立板58的长边的立板槽531，在风冷灯体53的散热侧设置多个散热鳍片534，自身为风冷散热。所述电源组件设置在所述风冷灯体53散热侧的两端。
每个散热鳍片534上设置波浪纹，提高散热面积。灯腔532内壁上开设散热槽，提高散热效果。
其中，所述光棒52连接电源发光，或者另设窄灯条与电源组件连接发光，其嵌设入所述灯腔532内侧壁上，光棒52作为聚光棒，对窄灯条发出的光聚光。
其中，在所述风冷灯体53散热侧的背面间隔的开设多个风扇槽535，用于嵌设散热风扇510，以增强风冷散热效果。
其中，所述电源组件包括航空插头安装板511、插头支撑板512、航空插头56和电源线(图未示)，在所述风冷灯体53的散热侧两端开设电源安装缺口533用于容纳连接所述电源组件。
材料说明：视窗板51、半透半反板59和出光立板58均采用透明板材，示例性的，视窗板51采用透明玻璃，半透半反板59采用常规光学镜片即可，而出光立板58可采用透明的亚克力板或玻璃板均可。其他元件如端板54、侧边板55均采用工程塑料或散热性好的合金，均为不透明材料。
光路说明：光棒52发出的光在水平面上朝向出光侧发出光，光学穿过出光立板58，通过半透半反板59分两路，一路通过侧边板55与风冷灯体53之 间的出光口向下反射，一路经半透半反板59折射为视窗板51和半透半反板59之间的空腔提供光照；以此为照明和观察同时提供了可能，便于在光学成像检测装置中应用。
进一步的，上光源50出光口的宽度与长度比为0.08～0.1。
线扫成像用光源
一种线扫成像用光源，参见图6，光源100包括灯条10、光源支架20、下光调节组件30、弧形瓦灯40和前述的上光源50。
其中，所述上光源50、弧形瓦灯40和两个灯条10自上而下的布置在光源支架20上。
其中，其中，所述下光调节组件30包括下光调节电机31、下光调节丝杆32、下调滑块模组33和下光升降板34，所述下光调节电机31和下调滑块模组33固定至光源支架20的外侧面上，所述下调滑块模组33与所述下光升降板34固定连接，所述下光升降板34在光源支架20上部开设的调节口21处与灯条10的端面连接，通过所述下光调节电机31的驱动使得灯条10沿Z轴向移动，实现灯条10的高度调节。
其中，所述弧形瓦灯40采用带瓦缝42的弧形灯体41(参见图5)。其中，弧形灯体41整体呈弧形体，一个示例中，呈现为半圆柱环体，其截面为半环形。其他示例中，弧形灯体41也可以呈现为
Figure PCTCN2022105588-appb-000001
型、梯形等。在弧形灯体41的中间沿轴向开设瓦缝42。
两个所述灯条10在下光调节组件30的驱动下实现高度调节。
其中，所述上光源50的视窗板51穿过瓦缝42和两个灯条10之间的缝隙，以此实现对灯条10下方物体的光照且便于图像采集。
光学检测装置
一个应用实例中，采用带观察窗的上光源50的光源100应用于光学成像装置1000中，具体的，参见图7，一种光学检测装置1000包括前述的光源100、图像采集模组200和移动载台300，所述图像采集模组200、光源100和移动载台300自上而下布置，所述图像采集模组200采用在XZ平面内受控移动的线扫相机进行图像采集，所述移动载台300在Y轴方向受控的移动送料；所述图像采集模组200与图像处理器(图未示)电讯连接。
连接关系：图像采集模组200、光源100和移动载台300自上而下布置。具体实施例中，图像采集模组200、光源100采用龙门架结构并跨设在所述移动载台300上方。
其中，图像采集模组200采用两个或三个线扫相机通过相机并排设置，这是根据待测件的尺寸适当的选择调整。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种带观察窗的上光源，其特征在于：上光源(50)包括视窗组件、光棒(52)、风冷灯体(53)、端板(54)、侧边板(55)和电源组件；其中，所述光棒(52)在出光侧嵌入风冷灯体(53)内，两个端板(54)可拆卸的安装在所述风冷灯体(53)的两端，通过所述侧边板(55)和两个端板(54)将视窗组件从出光侧连接至所述风冷灯体。
  2. 根据权利要求1所述的上光源，其特征在于：所述视窗组件包括视窗板(51)、半透半反板(59)和出光立板(58)，所述视窗板(51)水平设置，所述出光立板(58)临近所述光棒(52)竖直设置，所述半透半反板(59)倾斜的设置在视窗板(51)和出光立板(58)之间。
  3. 根据权利要求2所述的上光源，其特征在于：所述视窗组件还包括一个视窗转接板(57)，视窗转接板(57)的板体水平设置并可拆卸的连接至所述风冷灯体(53)出光侧的上表面；在所述视窗转接板(57)的外侧边开设视窗长边槽(571)，用于嵌接所述视窗板(51)朝向风冷灯体(53)一侧的长边。
  4. 根据权利要求2或3所述的上光源，其特征在于：在所述端板(54)内侧面的外端处开设视窗短边槽(541)和斜置槽(542)，其中，水平开设的所述视窗短边槽(541)用于支撑所述视窗板(51)的短边，所述斜置槽(542)用于支撑所述半透半反板(59)的短边。
  5. 根据权利要求4所述的上光源，其特征在于：所述视窗板(51)与所述半透半反板(59)的夹角γ＝30°～60°。
  6. 根据权利要求2所述的上光源，其特征在于：所述侧边板(55)的内侧面临近上边处水平的开设侧板上直槽(551)，临近下边处斜向的开设侧板下斜槽(552)，其中所述侧板上直槽(551)用于支撑所述视窗板(51)的外侧长边，所述侧板下斜槽(552)用于支撑斜置的半透半反板(59)的下侧长边。
  7. 根据权利要求2所述的上光源，其特征在于：所述风冷灯体(53)一体成型，在出光侧开设灯腔(532)，在灯腔(532)的两个边板外侧开设支撑出光立板(58)的长边的立板槽(531)，在风冷灯体(53)的散热侧设置多个散热鳍片(534)，所述电源组件设置在所述风冷灯体(53)散热侧的两端。
  8. 根据权利要求7所述的上光源，其特征在于：在所述风冷灯体(53)散热侧的背面间隔的开设多个风扇槽(535)，用于嵌设散热风扇(510)，以增强风冷散热效果。
  9. 根据权利要求7所述的上光源，其特征在于：所述电源组件包括航空插头安装板(511)、插头支撑板(512)、航空插头(56)和电源线，在所述风冷灯体(53)的散热侧两端开设电源安装缺口(533)用于容纳连接所述电源组件。
  10. 一种线扫成像用光源，其特征在于：光源(100)包括灯条(10)、光源支架(20)、下光调节组件(30)、弧形瓦灯(40)和根据权利要求1-9任一项所述的上光源(50)；
    其中，所述上光源(50)、弧形瓦灯(40)和两个灯条(10)自上而下的布置在光源支架(20)上，
    所述弧形瓦灯(40)采用带瓦缝(42)的弧形灯体(41)，
    两个所述灯条(10)在下光调节组件(30)的驱动下实现高度调节；
    其中，所述上光源(50)的视窗板(51)穿过瓦缝(42)和两个灯条(10)之间的缝隙，以此实现对灯条(10)下方物体的光照且便于图像采集。
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