CN113740259B - Upper light source with observation window and light source for line scanning imaging using the same - Google Patents
Upper light source with observation window and light source for line scanning imaging using the same Download PDFInfo
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- CN113740259B CN113740259B CN202111015647.8A CN202111015647A CN113740259B CN 113740259 B CN113740259 B CN 113740259B CN 202111015647 A CN202111015647 A CN 202111015647A CN 113740259 B CN113740259 B CN 113740259B
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- light source
- plate
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- light
- lamp body
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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
Abstract
The invention provides an upper light source with an observation window and a light source for line scanning imaging by adopting the upper light source, belonging to the field of optical detection systems, wherein the upper light source comprises a window assembly, a light bar, an air cooling lamp body, an end plate, a side plate and a power supply assembly; the window subassembly is including looking window board, semi-transparent half board and light-emitting riser. The light source for line scanning imaging comprises a light bar, a light source bracket, a lower light adjusting component, an arc tile lamp and the upper light source; the two light bars are driven by the lower light adjusting component to realize height adjustment; the window plate of the upper light source penetrates through the tile seam and the gap between the two light bars, so that illumination of objects below the light bars is achieved, and image acquisition is facilitated. The upper light source integrates illumination, an observation window and heat dissipation, greatly reduces the occupied space and provides technical support for stable illumination and image observation or collection. The lower light source height of the whole light source is adjustable, so that the illumination range and the applicability are improved. The light source is convenient to popularize and apply in the imaging detection fields of circuit boards, silicon wafers and the like.
Description
Technical Field
The invention belongs to the field of detection systems of plate-shaped devices such as semiconductors, circuit boards and the like, and particularly relates to an upper light source with an observation window and a light source for line scanning imaging by adopting the upper light source.
Background
In the prior art, the production of board materials or products such as circuit boards includes a plurality of processes, wherein the most important station is to perform optical quantity detection on the board surface of a board to be detected. The light source is an important component in the field of detection systems of plate-shaped devices such as semiconductors and circuit boards, and the stable light source ensures a good detection effect.
The existing optical detection device generally adopts a camera shooting mode, firstly, different optical imaging modules are required to be designed corresponding to pieces to be detected with different specifications and sizes, and different illumination environments are matched, so that the cost is increased; secondly, the optical environment is unstable, an independent observation window needs to be arranged in the conventional detection device, and the light source is additionally arranged, namely the two are independent, so that the middle illumination environment is not easy to guarantee; this leads to the influence of the optical gray value of the surface imaging of the workpiece, poor overall imaging quality, and reduced quantity detection accuracy and effect.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an upper light source with an observation window and a light source for line scanning imaging using the upper light source, which can solve the problems.
An upper light source with an observation window comprises a window component, a light bar, an air cooling lamp body, an end plate, a side plate and a power supply component; the light bar is embedded into the air-cooled lamp body at the light-emitting side, the two end plates are detachably mounted at two ends of the air-cooled lamp body, and the window assembly is connected to the air-cooled lamp body from the light-emitting side through the side edge plate and the two end plates.
Further, the window subassembly is including looking luffer boards, semi-transparent and semi-reflecting board and light-emitting riser, look luffer boards level setting, the light-emitting riser closes on the vertical setting of optical rod, the setting of semi-transparent and semi-reflecting board slope is looking between luffer boards and the light-emitting riser.
Furthermore, the window assembly also comprises a window adapter plate, and a plate body of the window adapter plate is horizontally arranged and detachably connected to the upper surface of the light-emitting side of the air-cooled lamp body; the outer side edge of the window adapter plate is provided with a window long edge groove used for embedding the long edge of one side, facing the air-cooled lamp body, of the window plate.
Furthermore, the air-cooled lamp body is integrally formed, a lamp cavity is formed in the light emitting side, vertical plate grooves for supporting the long edges of the light emitting vertical plates are formed in the outer sides of the two side plates of the lamp cavity, a plurality of radiating fins are arranged on the radiating side of the air-cooled lamp body, and the power supply assembly is arranged at two ends of the radiating side of the air-cooled lamp body.
Furthermore, a plurality of fan grooves are formed in the back face of the heat dissipation side of the air cooling lamp body at intervals and used for embedding heat dissipation fans so as to enhance the air cooling heat dissipation effect.
Furthermore, power supply module includes aviation plug mounting panel, plug backup pad, aviation plug and power cord the power installation breach is seted up at the heat dissipation side both ends of forced air cooling lamp body and is used for holding the connection power supply module.
The invention also provides a light source for line scanning imaging, which comprises a light bar, a light source bracket, a lower light adjusting component, an arc tile lamp and the upper light source; the upper light source, the arc tile lamp and the two light bars are arranged on the light source bracket from top to bottom, the arc tile lamp adopts an arc lamp body with a tile seam, and the two light bars are driven by the lower light adjusting component to realize height adjustment; wherein, the window board of going up the light source passes the crack between tile seam and two lamp strips to this illumination and the image acquisition of being convenient for to lamp strip below object are realized to this.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides an go up the light source and integrated illumination, observation window and heat dissipation, greatly reduced occupation space, provided stable illumination and image observation or the technical support who gathers. The lower light source height of the whole light source is adjustable, so that the illumination range and the applicability are improved. The light source is convenient to popularize and apply in the imaging detection fields of circuit boards, silicon wafers and the like.
Drawings
FIG. 1 is a schematic structural diagram of an upper light source with an observation window according to the present invention;
FIG. 2 is a schematic view of an alternative viewing angle of an upper light source with a viewing window;
FIG. 3 is an interior assembly side view of the upper light source;
FIG. 4 is an exploded view of the upper light source;
FIG. 5 is a schematic structural view of an arc lamp body;
FIG. 6 is a schematic view of a light source;
fig. 7 is a schematic structural diagram of the optical detection device.
In the figure, the position of the upper end of the main shaft,
1000. an optical detection device;
100. a light source;
10. a light bar;
20. a light source holder; 21. an adjustment port;
30. a lower light adjustment assembly; 31. a dimming control motor; 32. a dimming adjustment screw rod; 33. downward regulating a sliding block module; 34. a lower light lifting plate;
40. an arc tile lamp; 41. an arc-shaped lamp body; 42. performing tile seaming;
50. an upper light source;
51. a window panel;
52. a light bar;
53. an air-cooled lamp body; 531. a vertical plate groove; 532. a lamp chamber; 533. a power supply mounting notch; 534. heat dissipation fins; 535. a fan groove;
54. an end plate; 541. a window short side groove; 542. a slanting groove;
55. a side plate; 551. a straight groove is arranged on the side plate; 552. a side plate lower chute;
56. an aviation plug;
57. a window adapter plate; 571. a window long side groove;
58. a light emitting vertical plate;
59. a semi-transparent semi-reflective plate;
510. a heat radiation fan;
511. an aviation plug mounting plate;
512. a plug support plate;
200. an image acquisition module;
300. the carrier is moved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Upper light source with observation window
An upper light source with an observation window, referring to fig. 1-4, an upper light source 50 comprises a window assembly, a light bar 52, an air-cooled lamp body 53, an end plate 54, a side plate 55 and a power supply assembly.
Connection relation: the light rod 52 is embedded into the air-cooled lamp body 53 at the light-emitting side, the two end plates 54 are detachably mounted at the two ends of the air-cooled lamp body 53, and the window assembly is connected to the air-cooled lamp body from the light-emitting side through the side edge plate 55 and the two end plates 54.
The air-cooled lamp body 53 is integrally formed as a support body, and is manufactured by molding, die casting and other methods, wherein the material is engineering plastic or metal, and preferably an alloy with good heat dissipation performance is adopted. Two opposite side surfaces of the air-cooled lamp body 53 are a light emitting side and a heat radiation side respectively. The light rod 52, the window assembly and the side plate 55 are disposed at the light exit side, and the power supply assembly is disposed at the heat radiation side.
The window assembly comprises a window plate 51, a semi-transparent semi-reflecting plate 59 and a light emitting vertical plate 58, wherein the window plate 51 is horizontally arranged, the light emitting vertical plate 58 is vertically arranged close to the light rod 52, and the semi-transparent semi-reflecting plate 59 is obliquely arranged between the window plate 51 and the light emitting vertical plate 58.
In another embodiment, the window plate 51 is not directly connected to the air-cooled lamp body 53, but is connected through an adapter. Specifically, the window assembly further comprises a window adapter plate 57, and a 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; a window long side groove 571 is formed in the outer side edge of the window adapter plate 57 and is used for embedding the long side of the window plate 51 facing the air-cooled lamp body 53; the solution of this embodiment facilitates modular production.
Furthermore, a window short-side groove 541 and an inclined groove 542 are formed in the outer end of the inner side surface of the end plate 54, wherein the horizontally formed window short-side groove 541 is used for supporting the short side of the window plate 51, and the inclined groove 542 is used for supporting the short side of the half-transparent and half-reflecting plate 59.
The angle γ between the window plate 51 and the half-transparent plate 59 is 30 ° to 60 °, preferably 45 °, and may be in the range of 40 °, 42 °, 43 °, 50 °, 55 °, or any other optional angle.
Further, the inner side surface of the side plate 55 is horizontally provided with a side plate upper straight groove 551 close to the upper side, and is obliquely provided with a side plate lower inclined groove 552 close to the lower side, wherein the side plate upper straight groove 551 is used for supporting the outer long side of the viewing window plate 51, and the side plate lower inclined groove 552 is used for supporting the lower long side of the obliquely arranged semi-transparent and semi-reflective plate 59.
A light outlet is formed between the side plate 55 and the air-cooled lamp body 53 below the half-transmissive and half-reflective plate 59 to provide light to the lower side and also provide an observation window.
A lamp cavity 532 is opened at the light emitting side of the air-cooled lamp body 53 for accommodating the light stick 52. Vertical plate grooves 531 for supporting the long edges of the light emitting vertical plates 58 are formed in the outer sides of the two side plates of the lamp cavity 532, and a plurality of heat dissipation fins 534 are arranged on the heat dissipation side of the air cooling lamp body 53 and are used for cooling air. The power supply assembly is arranged at two ends of the heat dissipation side of the air cooling lamp body 53.
Each heat dissipation fin 534 is provided with raised grains to increase the heat dissipation area. The inner wall of the lamp cavity 532 is provided with a heat dissipation groove, so that the heat dissipation effect is improved.
The light bar 52 is connected to a power supply to emit light, or a narrow light bar is additionally arranged to be connected to a power supply component to emit light, and is embedded in the inner side wall of the light cavity 532, and the light bar 52 serves as a light gathering bar to gather light emitted by the narrow light bar.
A plurality of fan grooves 535 are formed at intervals on the back of the heat dissipation side of the air-cooled lamp body 53, and are used for embedding the heat dissipation fan 510 to enhance the air-cooled heat dissipation effect.
The power supply assembly includes an aviation plug mounting plate 511, a plug support plate 512, an aviation plug 56, and a power cord (not shown), and power supply mounting notches 533 are formed at two ends of the heat dissipation side of the air-cooled lamp body 53 for accommodating and connecting the power supply assembly.
Description of materials: 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, illustratively, the window plate 51 is made of transparent glass, the semi-transparent and semi-reflective plate 59 is made of conventional optical lenses, and the light-emitting vertical plate 58 can be made of transparent acrylic plates or glass plates. Other components such as the end plate 54 and the side plate 55 are made of engineering plastics or heat-dissipating alloy, and are made of opaque materials.
Description of optical path: the light emitted by the light rod 52 is emitted towards the light-emitting side on the horizontal plane, the light passes through the light-emitting vertical plate 58 and is divided into two paths by the semi-transparent semi-reflecting plate 59, one path is reflected downwards through the light-emitting port between the side edge plate 55 and the air-cooled lamp body 53, and the other path is refracted by the semi-transparent semi-reflecting plate 59 to provide illumination for the cavity between the window plate 51 and the semi-transparent semi-reflecting plate 59; thereby providing the possibility of illumination and observation at the same time, and being convenient to be applied in an optical imaging detection device.
Furthermore, the ratio of the width to the length of the light outlet of the upper light source 50 is 0.08-0.1.
Light source for line scanning imaging
Referring to fig. 6, a light source 100 includes a light bar 10, a light source bracket 20, a lower light adjusting assembly 30, an arc tile lamp 40 and the above-mentioned upper light source 50.
The upper light source 50, the arc tile lamp 40 and the two light bars 10 are arranged on the light source bracket 20 from top to bottom.
Wherein, the subassembly 30 of adjusting down includes that adjust motor 31, adjust down the lead screw 32, down adjust the slider module 33 and lower light lifter plate 34 of adjusting down, adjust motor 31 and down adjust the slider module 33 and fix to light source support 20's lateral surface down, down adjust the slider module 33 with down light lifter plate 34 fixed connection, lower light lifter plate 34 is connected with the terminal surface of lamp strip 10 in the 21 departments of regulation mouth that light source support 20 upper portion was seted up, through adjust motor 31's drive down and make lamp strip 10 along Z axial displacement, realize the altitude mixture control of lamp strip 10.
The arc-shaped tile lamp 40 adopts an arc-shaped lamp body 41 with a tile seam 42 (see fig. 5). The arc lamp body 41 is an arc body, and in one example, is a semi-cylindrical ring body with a semi-circular cross section. In other examples, the arc-shaped lamp body 41 may also be shaped like "︻", trapezoid, etc. A caulking groove 42 is formed in the middle of the arc lamp body 41 in the axial direction.
Two lamp strips 10 realize the height control under the drive of adjusting component 30 in time.
The window plate 51 of the upper light source 50 penetrates through the tile gap 42 and the gap between the two light bars 10, so that illumination of objects below the light bars 10 is realized, and image acquisition is facilitated.
Optical detection device
In an application example, the light source 100 using the upper light source 50 with an observation window is applied to the optical imaging device 1000, and specifically, referring to fig. 7, an optical detection device 1000 includes the aforementioned light source 100, an image capture module 200, and a movable stage 300, where the image capture module 200, the light source 100, and the movable stage 300 are arranged from top to bottom, the image capture module 200 uses a line scan camera controlled to move in an XZ plane to capture an image, and the movable stage 300 uses a movable feeding controlled in a Y-axis direction; the image capturing module 200 is electrically connected to an image processor (not shown).
Connection relation: the image capturing module 200, the light source 100 and the mobile carrier 300 are arranged from top to bottom. In an embodiment, the image capturing module 200 and the light source 100 are in a gantry structure and span over the mobile carrier 300.
The image capturing module 200 is configured by two or three line scan cameras arranged side by side through the cameras, and is appropriately selected and adjusted according to the size of the object to be measured.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a take last light source of observation window which characterized in that: the upper light source (50) comprises a window component, a light bar (52), an air-cooled lamp body (53), an end plate (54), a side plate (55) and a power supply component; the light rod (52) is embedded into the air-cooled lamp body (53) at the light emitting side, the two end plates (54) are detachably mounted at the two ends of the air-cooled lamp body (53), and the window assembly is connected to the air-cooled lamp body from the light emitting side through the side edge plates (55) and the two end plates (54);
the window assembly comprises a window plate (51), a semi-transparent semi-reflecting plate (59) and a light-emitting vertical plate (58), the window plate (51) is horizontally arranged, the light-emitting vertical plate (58) is vertically arranged close to the light rod (52), and the semi-transparent semi-reflecting plate (59) is obliquely arranged between the window plate (51) and the light-emitting vertical plate (58);
the window assembly further comprises a window adapter plate (57), and a 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); a window long side groove (571) is formed in the outer side edge of the window adapter plate (57) and is used for embedding the long side of the window plate (51) facing one side of the air cooling lamp body (53);
and a window short-side groove (541) and an inclined groove (542) are formed in the outer end of the inner side face of the end plate (54), wherein the horizontally formed window short-side groove (541) is used for supporting the short side of the window plate (51), and the inclined groove (542) is used for supporting the short side of the semi-transparent and semi-reflective plate (59).
2. The upper light source according to claim 1, wherein: the included angle gamma between the window plate (51) and the semi-transparent and semi-reflecting plate (59) is 30-60 degrees.
3. The upper light source according to claim 1, wherein: the inner side surface of the side plate (55) is horizontally provided with a side plate upper straight groove (551) close to the upper edge, and is obliquely provided with a side plate lower inclined groove (552) close to the lower edge, wherein the side plate upper straight groove (551) is used for supporting the outer long edge of the window plate (51), and the side plate lower inclined groove (552) is used for supporting the lower long edge of the obliquely arranged semi-transparent and semi-reflective plate (59).
4. The upper light source according to claim 1, wherein: the air-cooled lamp body (53) integrated into one piece opens lamp chamber (532) in the light-emitting side, sets up riser groove (531) that supports the long limit of light-emitting riser (58) in two sideboard outsides of lamp chamber (532), sets up a plurality of heat radiation fins (534) in the heat dissipation side of air-cooled lamp body (53), power supply unit sets up the both ends of air-cooled lamp body (53) heat dissipation side.
5. The upper light source of claim 4, wherein: a plurality of fan grooves (535) are formed in the back face of the heat dissipation side of the air cooling lamp body (53) at intervals and used for embedding the heat dissipation fan (510) so as to enhance the air cooling heat dissipation effect.
6. The upper light source of claim 4, wherein: the power supply assembly comprises an aviation plug mounting plate (511), a plug support plate (512), an aviation plug (56) and a power line, wherein power supply mounting notches (533) are formed in two ends of the heat dissipation side of the air cooling lamp body (53) and used for containing and connecting the power supply assembly.
7. The utility model provides a light source for line scanning formation of image which characterized in that: the light source (100) comprises a light bar (10), a light source bracket (20), a lower light adjusting assembly (30), an arc tile lamp (40) and an upper light source (50) according to any one of claims 1-6;
wherein the upper light source (50), the arc tile lamp (40) and the two lamp strips (10) are arranged on the light source bracket (20) from top to bottom,
the arc tile lamp (40) adopts an arc lamp body (41) with a tile seam (42),
the two light bars (10) are driven by a lower light adjusting component (30) to realize height adjustment;
the window plate (51) of the upper light source (50) penetrates through the tile seam (42) and a gap between the two light bars (10), so that illumination on objects below the light bars (10) is realized, and image acquisition is facilitated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015647.8A CN113740259B (en) | 2021-08-31 | 2021-08-31 | Upper light source with observation window and light source for line scanning imaging using the same |
| PCT/CN2022/105588 WO2023029767A1 (en) | 2021-08-31 | 2022-07-14 | Upper light source having observation window and light source for line scan imaging using upper light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015647.8A CN113740259B (en) | 2021-08-31 | 2021-08-31 | Upper light source with observation window and light source for line scanning imaging using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113740259A CN113740259A (en) | 2021-12-03 |
| CN113740259B true CN113740259B (en) | 2022-04-29 |
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| CN202111015647.8A Active CN113740259B (en) | 2021-08-31 | 2021-08-31 | Upper light source with observation window and light source for line scanning imaging using the same |
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| Country | Link |
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| CN (1) | CN113740259B (en) |
| WO (1) | WO2023029767A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029767A1 (en) * | 2021-08-31 | 2023-03-09 | 苏州天准科技股份有限公司 | Upper light source having observation window and light source for line scan imaging using upper light source |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115202132B (en) * | 2022-07-18 | 2023-08-18 | 苏州天准科技股份有限公司 | Integrated light source with window and optical image acquisition device |
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| JP3170598B2 (en) * | 1995-03-16 | 2001-05-28 | 株式会社サキコーポレーション | Appearance inspection device |
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| CN206074473U (en) * | 2016-08-31 | 2017-04-05 | 深圳市鹰眼在线电子科技有限公司 | It is applied to the optical system and Optical devices of pcb board automated optical detection equipment |
| CN206555823U (en) * | 2017-02-21 | 2017-10-13 | 深圳宜美智科技有限公司 | Lamp box for pcb board automatic detection device |
| CN209028015U (en) * | 2018-10-29 | 2019-06-25 | 合刃科技（武汉）有限公司 | A kind of detection device of line scanning imagery |
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| CN212646439U (en) * | 2020-06-02 | 2021-03-02 | 深圳宜美智科技有限公司 | Multi-spectral adjustable lamp box |
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| CN113740259B (en) * | 2021-08-31 | 2022-04-29 | 苏州天准科技股份有限公司 | Upper light source with observation window and light source for line scanning imaging using the same |
-
2021
- 2021-08-31 CN CN202111015647.8A patent/CN113740259B/en active Active
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2022
- 2022-07-14 WO PCT/CN2022/105588 patent/WO2023029767A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100763880B1 (en) * | 2006-05-26 | 2007-10-05 | 주식회사 더존씨앤티 | Desktop scanner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023029767A1 (en) * | 2021-08-31 | 2023-03-09 | 苏州天准科技股份有限公司 | Upper light source having observation window and light source for line scan imaging using upper light source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113740259A (en) | 2021-12-03 |
| WO2023029767A1 (en) | 2023-03-09 |
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