CN211178530U - Light supplementing structure for laser three-dimensional scanning - Google Patents
Light supplementing structure for laser three-dimensional scanning Download PDFInfo
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- CN211178530U CN211178530U CN201922045187.8U CN201922045187U CN211178530U CN 211178530 U CN211178530 U CN 211178530U CN 201922045187 U CN201922045187 U CN 201922045187U CN 211178530 U CN211178530 U CN 211178530U
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Abstract
The utility model discloses a light filling structure for laser three-dimensional scanning, include the casing, establish the camera at casing both ends is gathered the hole, is located two laser instrument between the camera is gathered and is shone the hole, establishes carry out the light filling device of light filling to camera scanning object in the casing, the light filling device is including establishing at least one light filling mouth on the casing, establishing L ED lamp plate in the light filling mouth, establishing L ED lamp plate with lens between the light filling mouth, be equipped with outside bellied condensing lens on the lens, the condensing lens is embedded to be fixed in the light filling mouth, the light that a plurality of luminescent chip on the L ED lamp plate jetted out passes through after the condensing lens carries out spotlight in the appointed distance scope in the front, the effectual problem that exists the light filling structure volume great, can not carry out the wave band synchronous and light in disorder among the current light filling system of having solved.
Description
Technical Field
The utility model relates to a hand-held type three-dimensional scanning equipment field, concretely relates to light filling structure for laser three-dimensional scanning.
Background
The hand-held laser three-dimensional scanner is used as a high-tech instrument and is mainly used for detecting and analyzing the shape and appearance data of an object or an environment in the real world, performing three-dimensional reconstruction calculation on the data obtained by the instrument and creating a digital model of the actual object. The method can be applied to the fields of industrial design, reverse engineering, machine vision, flaw detection, criminal identification, digital cultural relics, movie and television game production and the like. Compared with a fixed three-dimensional scanner, the handheld three-dimensional scanner is portable to carry and can be applied to more occasions.
At present, laser three-dimensional scanner or structured light three-dimensional scanner on the market adopt external light filling structure or built-in L ED lamp pearl to carry out the light filling effect usually, and common laser scanner directly adopts circular lamp shade to realize the light filling effect of circular facula, and the problem that this leads to is that the volume of light filling structure is great, and light can not carry out the wave band with scanning equipment and synchronous.
SUMMERY OF THE UTILITY MODEL
In order to solve certain or some technical problem that exists among the prior art, the utility model provides a light filling structure for laser three-dimensional scanning, the effectual current light filling system of having solved has the light filling structure volume great, can not carry out the synchronous and in disorder problem of light wave band, can focus on and realize the synchronous scanning of wave band with the indiscriminate light of L ED luminescence chip ejection of difference.
For solving the above-mentioned prior art problem, the utility model discloses a following scheme:
the utility model provides a light filling structure for laser three-dimensional scanning, includes the casing, establishes the camera at casing both ends is gathered the hole, is located two laser instrument between the camera is gathered the hole and is shone, establish carry out the light filling device of light filling to camera scanning object in the casing, the light filling device is including establishing at least one light filling mouth on the casing, establish intraoral L ED lamp plate of light filling, establish L ED lamp plate with lens between the light filling mouth, be equipped with outside bellied condensing lens on the lens, the condensing lens is embedded to be fixed in the light filling mouth, the light that a plurality of luminescence chips on the L ED lamp plate jetted out passes through after the condensing lens carries out the spotlight focus in the appointed distance scope in front.
Furthermore, at least one light supplementing device is annularly arranged on the outer side of any one of the camera collecting holes, and the light supplementing opening and the condenser are both of arc-shaped structures.
Furthermore, the light-gathering inner side of the light-gathering cavity protrudes outwards, an arc-shaped light-gathering cavity is formed in the bottom of the arc-shaped light-gathering cavity, a first light-gathering area located in the middle is arranged at the bottom of the arc-shaped light-gathering cavity, the first light-gathering area and the second light-gathering area are symmetrically arranged at the two sides of the first light-gathering area, light emitted from the first light-gathering area is vertical light, light emitted from the second light-gathering area is oblique light, and the light emitted from the second light-gathering area is gathered towards the light emitted from the first light-gathering area.
Furthermore, the second spotlight district has the inside bellied arc inclined plane in a plurality of bottom to constitute, adjacent two form perpendicular or the connection face of slope between the arc inclined plane, the light that the light-emitting chip of different positions forward shines on the L ED lamp plate passes through after the arc inclined plane refraction the light that first spotlight district jetted out gathers together.
Further, the inner bottom surface of the first light gathering area is an arc light gathering surface protruding inwards.
Furthermore, the lamp light emitted by the second light-gathering area and the first light-gathering area is gathered in a certain distance in front to form a circular light-gathering area.
Furthermore, 2-4 light filling devices are annularly arranged on the outer side of any one of the camera collecting holes, and light emitted by the light filling devices is gathered in a certain distance in front to form a circular light filling area.
Compared with the prior art, the beneficial effects of the utility model reside in that:
hand-held type laser three-dimensional scanning equipment is when carrying out data acquisition to the scanning object, in order to avoid because stray light produces the influence to the scanning effect of multi-thread laser, can realize the object through built-in light filling device and carry out the light filling under the not enough condition of light, and the light that a plurality of luminescence chips on the L ED lamp plate jetted out carries out the spotlight back through the condensing lens, can focus the scattered ray that different L ED luminescence chips jetted out and form the light filling facula after the appointed distance range in front, thereby turn into the light of same wave band with L ED light filling light source through the lens, the wave band scope of the light that the light facula throws has been confirmed, stray light's interference has been avoided, and light filling device and scanning equipment synchronous motion, realize the synchronous scanning of wave band, the light filling effect under the same wave band has been realized through external condensing lens.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic structural diagram of a lens according to the present invention;
in the figure, a light supplementing device 1, a camera collecting hole 2, a laser irradiation hole 3, a shell 4, a light supplementing port 5, a condenser lens 6, a lens 7, an L ED lamp panel 8, an arc-shaped light concentrating cavity 9, a first light concentrating area 10, an arc-shaped inclined plane 11, a second light concentrating area 12, a connecting surface 13, an arc-shaped light concentrating surface 14 and a light emitting chip 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 ~ 3, a light filling structure for laser three-dimensional scanning, include casing 4, establish the camera at 4 both ends of casing gathers hole 2, is located two laser instrument that camera was gathered between the hole 2 shines hole 3 establishes light filling device 1 that carries out the light filling to camera scanning object in the casing 4, light filling device 1 is including establishing at least one light filling mouth 5 on the casing 4, establishing L ED lamp plate 8 in the light filling mouth 5, establishing L ED lamp plate 8 with lens 7 between the light filling mouth 5, be equipped with outside bellied condensing lens 6 on the lens 7, the light that condensing lens 6 is embedded to be fixed in the light filling mouth 5, the light that a plurality of luminescent chip 20 on the L ED 8 jetted out passes through after condensing lens 6 focuses on the appointed distance scope in front.
In actual assembling process, camera collection hole 2 and the laser instrument of 4 front ends of casing shine hole 3 and are used for installing the camera and the luminescent lens of laser instrument respectively, L ED lamp plate 8 in the light filling device 1 has a plurality of L ED luminescence chip 20 on, L ED lamp plate 8 passes through the battery circular telegram, through lens 7, L ED lamp plate 8 and battery piece have constituted whole set of light filling system, under darkroom or bright room operational environment, L ED luminescence chip 20 luminance on L ED lamp plate 8 can carry out the regulation of light intensity through the circuit in L ED lamp plate 8, thereby adapt to the light filling effect under the different environment, when handheld laser scanning equipment carries out data acquisition to the object, in order to avoid stray light to produce the influence to multi-line laser's scanning effect because stray light, a condenser lens 6 has been formed on lens 7, the light that a plurality of the ED luminescence chip 20 on the lamp plate 8 emitted through condenser lens 20 carries out the focus of relation through condenser lens 6, make it form after certain distance that the light filling waveband shines, realize that the light filling device can realize that the synchronous focusing of the light spot that the external scattered light that the synchronous light that the external scattered light that the luminous chip 20 that the luminous chip that throws of many light passes through behind 829 behind L ED lamp plate 20 passes through the luminous waveband can carry out through the synchronous luminous waveband of the synchronous light that the luminous waveband of the synchronous luminous waveband of the synchronous light that the luminous waveband of the luminous device can not enough light that the luminous waveband of the luminous device can not enough light that the.
Furthermore, at least one light supplementing device 1 is annularly arranged on the outer side of any one of the camera collecting holes 2, and the light supplementing opening 5 and the collecting lens 6 are both arc-shaped structures.
All encircle in the outside in arbitrary one camera acquisition hole 2 and establish one or more light filling device 1, can carry out the pertinence light filling to each camera through the light filling device 1 that corresponds, thereby it is better to make every camera light when gathering object data, certain camera light filling and another not enough condition emergence can not appear, and light filling mouth 5 is the arc structure with through its outside outstanding condensing lens 6, crescent condensing lens 6 accounts for area little, the area occupied of light filling system on casing 4 has been reduced, can make scanning device's whole volume littleer, and the fastness of camera acquisition hole 2 is higher.
Further, it is outside bellied the spotlight inboard is formed with arc spotlight chamber 9, arc spotlight chamber 9's bottom is equipped with the first spotlight district 10 that is located the centre, the symmetry sets up the second spotlight district 12 of first spotlight district 10 both sides passes through the light that first spotlight district 10 jetted out is perpendicular light, through both sides the light that second spotlight district 12 jetted out is slope light, both sides the light that second spotlight district 12 jetted out all to the light that first spotlight district 10 jetted out gathers together.
L luminous chip 20 of a plurality of L ED on ED lamp plate 8 is when the light filling, the light that outwards jets out through first spotlight zone 10 shines forward for the straight line, and the straight line light that jets out through curved second spotlight zone 12 of both sides then passes through second spotlight zone 12 and changes and shine to appointed direction, thereby make the light that jets out on the whole L ED lamp plate 8 can realize after passing through arc condensing lens 6 that arc diffusion facula changes heterotypic circular facula shape into, in the scanning process, carry out the light filling for multi-thread laser, avoided because stray light and produce the influence to the scanning effect of multi-thread laser, adopt condensing lens 6 to turn into the light of same wave band with the light filling light source on L ED lamp plate 8, the effectual light wave band phenomenon that can not be synchronous when having avoided data acquisition.
Further, second spotlight region 12 has the inside bellied arc inclined plane 11 of a plurality of bottom to constitute, adjacent two form perpendicular or the connection face 13 of slope between the arc inclined plane 11, L ED lamp plate 8 goes up the light that the light-emitting chip 20 of different positions shines forward and passes through behind the refraction of arc inclined plane 11 the light that first spotlight region 10 jetted out gathers together.
When carrying out irradiation range's regulation to light filling light through second spotlight region 12, when light shines bottom inside bellied arc inclined plane 11, can focus on the light in disorder through the protruding structure of arc at first, the transformation of direction is shone to the light to rethread inclined plane result, and then when spouting from outer terminal surface again, just can effectually realize that spotlight and the light on a plurality of arc inclined plane 11 are gathered together to light filling light.
Further, the inner bottom surface of the first light gathering area 10 is an arc light gathering surface 14 protruding inwards.
In order to avoid the scattered phenomenon of the light supplementing light irradiated out by the first light gathering area 10, the inner bottom surface of the first light gathering area 10 is processed into an inward convex arc-shaped light gathering surface 14 structure, so that the whole light gathering lens 6 has a better light gathering effect.
Further, the lamp light emitted by the second light gathering area 12 and the first light gathering area 10 is gathered in a certain distance in front to form a circular light supplementing area.
Because the camera of camera is circular structure, the light that jets out through leading to second spotlight region 12 and first spotlight region 10 gathers together in the certain distance in the front and is circular light supplement region, the image acquisition scope of camera generally lies in the intermediate position in circular light supplement region, can make the camera have 360 omnidirectional light filling effects when gathering, thereby it is better to make the light of gathering the scope, the effective light filling distance of its circular light supplement region apart from the camera can be controlled according to 11 inclination on the arc inclined plane of second spotlight region 12 bottoms.
Furthermore, 2 ~ 4 all encircle in the outside in arbitrary camera collection hole 2 light filling device 1, it is a plurality of light that light filling device 1 jetted out gathers together in the certain distance in the front and is circular light filling area.
Because the condensing lens 6 on the light filling device 1 is annular evenly distributed in the outside of camera collection hole 2, when needs carry out the light filling, can be quick effectual circular light filling area of formation more through a plurality of condensing lenses 6 to make the light filling effect better, a plurality of light filling lamps combined operation can accomplish the light filling under the environment abominable again, interference immunity is strong.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a light filling structure for laser three-dimensional scanning, includes the casing, establishes the camera at casing both ends is gathered the hole, is located two laser instrument between the hole is gathered to the camera shines the hole, establishes carry out the light filling device of light filling to camera scanning object in the casing, its characterized in that, the light filling device is including establishing at least one light filling mouth on the casing, establish in the intraoral L ED lamp plate of light filling, establish L ED lamp plate with lens between the light filling mouth, be equipped with outside bellied condensing lens on the lens, the embedded fixing of condensing lens is in the light filling mouth, the light that a plurality of luminescent chip on the L ED lamp plate jetted out passes through after the condensing lens carries out the spotlight and focuses on in the appointed distance scope in front.
2. A light filling structure for laser three dimensional scanning according to claim 1, wherein: at least one light supplementing device is annularly arranged on the outer side of any one of the camera collecting holes, and the light supplementing opening and the collecting lens are both of arc-shaped structures.
3. A light filling structure for laser three dimensional scanning according to claim 2, wherein: outwards bellied the spotlight inboard is formed with arc spotlight chamber, arc spotlight chamber's bottom is equipped with first spotlight region, the symmetry setting that is located the centre and is in the second spotlight region of first spotlight region both sides passes through the light that first spotlight region jetted out is perpendicular light, through both sides the light that second spotlight region jetted out is slope light, both sides light that second spotlight region jetted out all to the light that first spotlight region jetted out gathers together.
4. The light supplementing structure for laser three-dimensional scanning according to claim 3, wherein the second light concentrating region is composed of a plurality of arc-shaped inclined planes with inward bulges at bottoms, a vertical or inclined connecting plane is formed between every two adjacent arc-shaped inclined planes, and light rays irradiated forward by the light emitting chips at different positions on the L ED lamp panel are refracted by the arc-shaped inclined planes and then gathered towards light rays emitted from the first light concentrating region.
5. A light filling structure for laser three-dimensional scanning according to claim 3 or 4, wherein: the inner side bottom surface of the first light gathering area is an arc light gathering surface protruding inwards.
6. A light filling structure for laser three dimensional scanning according to claim 5, wherein: and the lamp light emitted by the second light-gathering area and the first light-gathering area is gathered in a certain distance in front to form a circular light-complementing area.
7. A light filling structure for laser three dimensional scanning according to claim 5, wherein: the outside in arbitrary camera collection hole all encircles and is equipped with 2 ~ 4 the light filling device, it is a plurality of light that the light filling device jetted out gathers together in the certain distance in the front and is circular light filling area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045187.8U CN211178530U (en) | 2019-11-21 | 2019-11-21 | Light supplementing structure for laser three-dimensional scanning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922045187.8U CN211178530U (en) | 2019-11-21 | 2019-11-21 | Light supplementing structure for laser three-dimensional scanning |
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| CN211178530U true CN211178530U (en) | 2020-08-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279679A (en) * | 2021-04-15 | 2022-04-05 | 上海商米科技集团股份有限公司 | Automated testing method and system, testing device and computer readable storage medium |
| CN116327405A (en) * | 2023-04-13 | 2023-06-27 | 广州市小萤成像技术有限公司 | Hand-held oral cavity scanner |
| CN117433448A (en) * | 2023-11-02 | 2024-01-23 | 广东亚数智能科技股份有限公司 | Manipulator for three-dimensional scanning and control method thereof |
-
2019
- 2019-11-21 CN CN201922045187.8U patent/CN211178530U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279679A (en) * | 2021-04-15 | 2022-04-05 | 上海商米科技集团股份有限公司 | Automated testing method and system, testing device and computer readable storage medium |
| CN116327405A (en) * | 2023-04-13 | 2023-06-27 | 广州市小萤成像技术有限公司 | Hand-held oral cavity scanner |
| CN116327405B (en) * | 2023-04-13 | 2024-01-30 | 广州市小萤成像技术有限公司 | Hand-held oral cavity scanner |
| CN117433448A (en) * | 2023-11-02 | 2024-01-23 | 广东亚数智能科技股份有限公司 | Manipulator for three-dimensional scanning and control method thereof |
| CN117433448B (en) * | 2023-11-02 | 2024-04-02 | 广东亚数智能科技股份有限公司 | Manipulator for three-dimensional scanning and control method thereof |
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