CN204694217U - A kind of laser three-dimensional scanning system - Google Patents
A kind of laser three-dimensional scanning system Download PDFInfo
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- CN204694217U CN204694217U CN201520465413.7U CN201520465413U CN204694217U CN 204694217 U CN204694217 U CN 204694217U CN 201520465413 U CN201520465413 U CN 201520465413U CN 204694217 U CN204694217 U CN 204694217U
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- laser
- scanning system
- dimensional scanning
- beam splitter
- splitter prism
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Abstract
This application discloses a kind of laser three-dimensional scanning system, comprise laser instrument, the light that this laser instrument sends is successively through first collimator, 1/2 wave plate and the first beam splitter prism, described laser is divided into the first transmission road signal and the first reflex circuit signal after described first beam splitter prism, it is the second transmission road signal and the second reflex circuit signal that described first reflex circuit signal enters the second beam splitter prism by beam splitting, described second transmission road signal is successively through quarter wave plate, be incident upon in target after scanning galvanometer and beam-expanding system, described second reflex circuit signal is successively through focusing on accurate mirror, avalanche photodide, amplifier and processor, described first transmission road signal enters the second collimating apparatus.Laser three-dimensional scanning system cost of the present utility model is low, volume is little, sharpness is high, reliable and stable.
Description
Technical field
The application belongs to 3D printing technique field, particularly relates to a kind of laser three-dimensional scanning system.
Background technology
In recent years, along with the development of laser science and technology, laser 3D printing technique obtains people and more pays close attention to, and has related to a lot of application at present, and occurred the service industry of many " 3D printing technique " from external to domestic, China is no exception.
, usually there is the technical matters that volume is large, precision is low in existing 3D laser imaging and distance measuring equipment.
Utility model content
The purpose of this utility model is to provide a kind of laser three-dimensional scanning system, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The embodiment of the present application discloses a kind of laser three-dimensional scanning system, comprise laser instrument, the light that this laser instrument sends is successively through first collimator, 1/2 wave plate and the first beam splitter prism, described laser is divided into the first transmission road signal and the first reflex circuit signal after described first beam splitter prism, it is the second transmission road signal and the second reflex circuit signal that described first reflex circuit signal enters the second beam splitter prism by beam splitting, described second transmission road signal is successively through quarter wave plate, be incident upon in target after scanning galvanometer and beam-expanding system, described second reflex circuit signal is successively through focusing on accurate mirror, avalanche photodide, amplifier and processor, described first transmission road signal enters the second collimating apparatus.
Preferably, in above-mentioned laser three-dimensional scanning system, described laser instrument is pulsed laser.
Preferably, in above-mentioned laser three-dimensional scanning system, the wavelength of described pulsed laser is 1550nm.
Preferably, in above-mentioned laser three-dimensional scanning system, between described first beam splitter prism and the second collimating apparatus, be provided with the first catoptron.
Preferably, in above-mentioned laser three-dimensional scanning system, described first catoptron is 45 ° of placements.
Preferably, in above-mentioned laser three-dimensional scanning system, described second beam splitter prism and focus between accurate mirror and be provided with the second catoptron.
Preferably, in above-mentioned laser three-dimensional scanning system, described second catoptron is 45 ° of placements.
Preferably, in above-mentioned laser three-dimensional scanning system, between described quarter wave plate and scanning galvanometer, be provided with the 3rd catoptron.
Preferably, in above-mentioned laser three-dimensional scanning system, described 3rd catoptron is 45 ° of placements.
Compared with prior art, the utility model has the advantage of: laser three-dimensional scanning system cost of the present utility model is low, volume is little, sharpness is high, reliable and stable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the principle schematic of laser three-dimensional scanning system in the utility model specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1, laser three-dimensional scanning system, comprise laser instrument 1, the light that this laser instrument 1 sends is successively through first collimator 2, 1/2 wave plate 3 and the first beam splitter prism 4, laser is divided into the first transmission road signal and the first reflex circuit signal after the first beam splitter prism 4, it is the second transmission road signal and the second reflex circuit signal that first reflex circuit signal enters the second beam splitter prism 5 by beam splitting, second transmission road signal is successively through quarter wave plate 6, be incident upon in target 9 after scanning galvanometer 7 and beam-expanding system 8, second reflex circuit signal is successively through focusing on accurate mirror 10, avalanche photodide 11, amplifier 12 and processor 13, first transmission road signal enters the second collimating apparatus 14.
Further, laser instrument 1 is pulsed laser.
Further, the wavelength of pulsed laser is 1550nm.
Further, the first catoptron 15 is provided with between the first beam splitter prism 4 and the second collimating apparatus 14.First catoptron is 45 ° of placements.
Further, the second beam splitter prism 5 and focus between accurate mirror 10 and be provided with the second catoptron 16.Second catoptron is 45 ° of placements.
Further, the 3rd catoptron 17 is provided with between quarter wave plate and scanning galvanometer.3rd catoptron 17 is in 45 ° of placements.
In above-mentioned laser three-dimensional scanning system, the laser that laser instrument is launched collimates through collimating apparatus, laser fiber is exported simultaneously and be converted to free space output, laser after collimation is through 1/2 wave plate, and the linear polarization of Laser output deflects, and makes it after beam splitter prism, be divided into transmittance and reflectance two paths of signals, by the light beam of prismatic reflection through quarter wave plate, quarter wave plate and deflected beam are 45 °, and light beam arrives galvanometer, is scanned target area by galvanometer.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (9)
1. a laser three-dimensional scanning system, it is characterized in that, comprise laser instrument, the light that this laser instrument sends is successively through first collimator, 1/2 wave plate and the first beam splitter prism, described laser is divided into the first transmission road signal and the first reflex circuit signal after described first beam splitter prism, it is the second transmission road signal and the second reflex circuit signal that described first reflex circuit signal enters the second beam splitter prism by beam splitting, described second transmission road signal is successively through quarter wave plate, be incident upon in target after scanning galvanometer and beam-expanding system, described second reflex circuit signal is successively through focusing on accurate mirror, avalanche photodide, amplifier and processor, described first transmission road signal enters the second collimating apparatus.
2. laser three-dimensional scanning system according to claim 1, is characterized in that: described laser instrument is pulsed laser.
3. laser three-dimensional scanning system according to claim 2, is characterized in that: the wavelength of described pulsed laser is 1550nm.
4. laser three-dimensional scanning system according to claim 1, is characterized in that: be provided with the first catoptron between described first beam splitter prism and the second collimating apparatus.
5. laser three-dimensional scanning system according to claim 4, is characterized in that: described first catoptron is 45 ° of placements.
6. laser three-dimensional scanning system according to claim 1, is characterized in that: described second beam splitter prism and focus between accurate mirror and be provided with the second catoptron.
7. laser three-dimensional scanning system according to claim 6, is characterized in that: described second catoptron is 45 ° of placements.
8. laser three-dimensional scanning system according to claim 1, is characterized in that: be provided with the 3rd catoptron between described quarter wave plate and scanning galvanometer.
9. laser three-dimensional scanning system according to claim 8, is characterized in that: described 3rd catoptron is 45 ° of placements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465413.7U CN204694217U (en) | 2015-07-01 | 2015-07-01 | A kind of laser three-dimensional scanning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465413.7U CN204694217U (en) | 2015-07-01 | 2015-07-01 | A kind of laser three-dimensional scanning system |
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| Publication Number | Publication Date |
|---|---|
| CN204694217U true CN204694217U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520465413.7U Expired - Fee Related CN204694217U (en) | 2015-07-01 | 2015-07-01 | A kind of laser three-dimensional scanning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976966A (en) * | 2015-07-01 | 2015-10-14 | 西北工业大学（张家港）智能装备技术产业化研究院有限公司 | Laser three-dimensional scanning system |
| CN107272014A (en) * | 2017-08-05 | 2017-10-20 | 广州市杜格数控设备有限公司 | The two-dimension scanning laser radar and its scan method of a kind of solid-state |
-
2015
- 2015-07-01 CN CN201520465413.7U patent/CN204694217U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976966A (en) * | 2015-07-01 | 2015-10-14 | 西北工业大学（张家港）智能装备技术产业化研究院有限公司 | Laser three-dimensional scanning system |
| CN107272014A (en) * | 2017-08-05 | 2017-10-20 | 广州市杜格数控设备有限公司 | The two-dimension scanning laser radar and its scan method of a kind of solid-state |
| CN107272014B (en) * | 2017-08-05 | 2023-12-12 | 广州市杜格科技有限公司 | Solid two-dimensional scanning laser radar and scanning method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20210701 |