CN101504278A - Detection apparatus and method for assembly error of laser head semi-transparent semi-reflecting lens - Google Patents
Detection apparatus and method for assembly error of laser head semi-transparent semi-reflecting lens Download PDFInfo
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- CN101504278A CN101504278A CNA2009100260544A CN200910026054A CN101504278A CN 101504278 A CN101504278 A CN 101504278A CN A2009100260544 A CNA2009100260544 A CN A2009100260544A CN 200910026054 A CN200910026054 A CN 200910026054A CN 101504278 A CN101504278 A CN 101504278A
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- reflecting lens
- optical collimator
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Abstract
The invention discloses a device for detecting the assembly error of a half transparent and half reflecting mirror of a laser head, which comprises a laser module regulator, a laser head clamper and an optical collimator, wherein the laser head clamper is arranged on the front of the laser module regulator; the optical collimator is arranged on the front of a detected laser head; and a signal output end of an optical collimator center is connected with a signal monitor. The invention also discloses a method for detecting the assembly error of the half transparent and half reflecting mirror of the laser head, which comprises: a, setting the reference position of the device for detecting the assembly error of the half transparent and half reflecting mirror of the laser head; and b, refracting laser collimated light beams emitted from a laser module into the optical collimator by the half transparent and half reflecting mirror and a total reflector of the laser head, and transmitting electric signals which are converted by the optical collimator to the signal monitor for the detection of the assembly error. The device and the method are convenient to use and adjust, and solve the problem of the detection of the miniature laser head.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method of laser head, relate in particular to the pick-up unit and the detection method of a kind of detection laser scope sheet assembling error, belong to field of optical storage technology.
Background technology
Along with the continuous development of optical storage technology, practicality, the portability of laser head fetch equipment are had higher requirement, thereby also the microminiaturization of laser head is had higher requirement.The information of laser head reads assembly precision and the accuracy of detection that precision relies on each optical element, because the microminiaturization of laser head, the assembling of each optical element in the laser head and the difficulty of detection have been increased, particularly detect the rigging error of the semi-transparent semi-reflecting lens that is flush-mounted in laser head structure inside, because the logical light area of miniature laser head becomes very little, oneself is no longer suitable for the mode that adopts existing optical collimator emergent light directly to beat to detect its rigging error on semi-transparent semi-reflecting lens, must new pick-up unit and the new detection method of proposition of development.
Summary of the invention
In order to solve the problem that existing optical collimator can not directly detect the rigging error of miniature laser head semi-transparent semi-reflecting lens, the present invention proposes a kind of pick-up unit and detection method, adopts the accurately rigging error of the semi-transparent semi-reflecting lens in the detection laser head of this pick-up unit and detection method.
Purpose of the present invention is achieved by the following technical programs.
A kind of pick-up unit of assembly error of laser head semi-transparent semi-reflecting lens, comprise laser module regulating device, the laser head anchor clamps, optical collimator, signal monitor, the laser module is fixed on the described laser module regulating device, described laser head anchor clamps are arranged on the place ahead of laser module emitting laser bundle, detected laser head fixedly clamping in the laser head anchor clamps, described optical collimator is arranged on the place ahead of detected laser head completely reflecting mirror deflecting light beams, the direction of described laser module emitting laser collimated light beam is aimed at the semi-transparent semi-reflecting lens center of detected laser head, the completely reflecting mirror centrally aligned optical collimator center of described laser head, the signal output part of described optical collimator connects signal monitor.
Purpose of the present invention can also further realize by following technical measures.
The pick-up unit of aforesaid assembly error of laser head semi-transparent semi-reflecting lens, wherein said laser module regulating device comprise laser module, laser module fixed mount, horizontal adjustment panel, contiguous block, horizontal adjustment screw, first set screw, second set screw, regulating block, dual-gripper rotation ball and fixed base plate; Described laser module is fixedly installed on the laser module fixed mount, and described horizontal adjustment panel is arranged on the top of fixed base plate, and described dual-gripper is rotated ball and is arranged between horizontal adjustment panel and the fixed base plate, is positioned at the rear of fixed base plate; Described regulating block is connected with the front end vertical fixing of fixed base plate; Described contiguous block is connected with the front end vertical fixing of horizontal adjustment panel; The upside of described horizontal adjustment screw and contiguous block flexibly connects, and described first set screw and second set screw flexibly connect with the both sides of contiguous block respectively.The adjusting angle of described laser module is ± 5 ° a spherical angle.
A kind of detection method of assembly error of laser head semi-transparent semi-reflecting lens, carry out according to the following steps:
A. the reference position of setting laser head semi-transparent semi-reflecting lens rigging error pick-up unit.
A1. will distinguish the standard gauge block clamping of simulated laser head semi-transparent semi-reflecting lens and completely reflecting mirror in the laser head anchor clamps through precision machined.
A2. the laser module is fixed in the laser module fixed mount, by difference turn horizontal adjustment screw, the mode of first set screw and second set screw, the horizontal adjustment panel is adjusted to the reference position: promptly laser module emitting laser collimated light beam arrives semi-transparent semi-reflecting lens earlier and is refracted to completely reflecting mirror then, be refracted into optical collimator through completely reflecting mirror again, converting the light signal of collimated light beam to electric signal through optical collimator is transported in the signal monitor, the laser alignment light beam reference signal point that described signal monitor is shown is positioned on reference center's point of monitor screen, finishes the assignment procedure of pick-up unit reference position.
B. the error of detection laser semi-transparent semi-reflecting lens assembling.
B1. with laser head to be detected fixedly clamping in the laser head anchor clamps.
B2. laser module emitting laser collimated light beam is refracted into optical collimator through semi-transparent semi-reflecting lens, the completely reflecting mirror of laser head, be transported in the signal monitor through the optical collimator electrical signal converted, leave the position of reference center's point according to the shown laser alignment beam signal point of signal monitor, promptly characterize the angular error of semi-transparent semi-reflecting lens practical set.
The pick-up unit of assembly error of laser head semi-transparent semi-reflecting lens of the present invention can be regulated the direction of the collimated light beam of laser module outgoing, and the range of adjustment of the spherical angle of enough ± 5 ° arranged, therefore, reduced the accuracy requirement of laser module regulating device part processing to a great extent.Structure of the present invention is small and exquisite, use is easy to adjust.The detection method of semi-transparent semi-reflecting lens rigging error of the present invention has realized indirectly the accurately semi-transparent semi-reflecting lens sheet of detection laser head assembling error, the invention solves because the logical light area of laser head becomes very little, existing optical collimator can not directly detect the problem of rigging error of the semi-transparent semi-reflecting lens of miniature laser head.
Advantage of the present invention and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of pick-up unit of the assembly error of laser head semi-transparent semi-reflecting lens of prior art;
Fig. 2 is the structural representation of the pick-up unit of assembly error of laser head semi-transparent semi-reflecting lens of the present invention;
Fig. 3 is the structural representation of laser module regulating device of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, the pick-up unit of the assembly error of laser head semi-transparent semi-reflecting lens of prior art is made up of optical collimator 1, laser head anchor clamps 3, monitor 11, and the laser head 2 of laser head anchor clamps 3 clampings is positioned at the place ahead of optical collimator 1 outgoing beam.The light beam of optical collimator 1 outgoing is made behind laser head semi-transparent semi-reflecting lens 21 reflected back optics collimator 1 again, light signal being converted to electric signal through optical collimator 1 is transported in the signal monitor 11, on signal monitor 11 screens, demonstrate the position of signaling point, this signaling point leaves the position of reference center's point, promptly characterizes the angular error of the practical set of semi-transparent semi-reflecting lens.The maximal value that inner ring 112 expression semi-transparent semi-reflecting lens 21 angular errors allow among Fig. 1, the maximal value of the angular error that outer ring 111 expression optical collimators 1 are measured.This device can only be used to detect the angular error of general laser head semi-transparent semi-reflecting lens, because the logical light area of microminiaturized laser head becomes very little, this device can't detect the angular error of semi-transparent semi-reflecting lens 21.
As shown in Figure 2, the pick-up unit of assembly error of laser head semi-transparent semi-reflecting lens of the present invention, comprise laser module regulating device 4, laser head anchor clamps 3, optical collimator 1, signal monitor 11, laser module 41 is fixed on the laser module regulating device 4 by a mode of curing glue, laser head anchor clamps 3 are arranged on the place ahead of laser module 41 outgoing laser beams, detected laser head 2 fixedly clamping in laser head anchor clamps 3, optical collimator 1 is arranged on the place ahead of detected laser head 2 completely reflecting mirror deflecting light beams, the direction of laser module 41 emitting laser collimated light beams is aimed at semi-transparent semi-reflecting lens 21 centers of detected laser head 2, completely reflecting mirror 22 centrally aligned optical collimators 1 center of laser head 2, the signal output part at described optical collimator 1 center connects signal monitor 11.The maximal value of the permission of inner ring 112 expression semi-transparent semi-reflecting lens angular errors is as 10 ' or 15 ' among Fig. 2, the maximal value 30 ' of the angular error that outer ring 111 expression optical collimators 1 are measured.
As shown in Figure 3, laser module regulating device 4 comprises laser module 41, laser module fixed mount 42, horizontal adjustment panel 43, contiguous block 49, horizontal adjustment screw 46, first set screw 47, second set screw 48, regulating block 410, dual- gripper rotation ball 44,45 and fixed base plate 411.Laser module 41 is fixed on the laser module regulating device 4 by a mode of curing glue, horizontal adjustment panel 43 is arranged on the top of fixed base plate 411, dual-gripper is rotated ball 44,45 and is arranged between horizontal adjustment panel 43 and the fixed base plate 411, is positioned at the rear of fixed base plate 411.Regulating block 410 is connected with the front end vertical fixing of fixed base plate 411 by screw, and point solidifies adhesive curing; Contiguous block 49 is connected with the front end vertical fixing of horizontal adjustment panel 43 by screw, and point solidifies adhesive curing.Horizontal adjustment screw 46 flexibly connects with the upside of contiguous block 49, first set screw 47 and second set screw 48 flexibly connect with the both sides of contiguous block 49 respectively, horizontal adjustment screw 46 can make horizontal adjustment panel 43 rotate ball 44 around dual-gripper, 45 pitch rotation, first set screw 47 and second set screw 48 can make horizontal adjustment panel 43 left and right sides rotate around horizontal adjustment panel 43 longitudinal centre lines, the regulating action purpose of these three screws is to make laser module 41 outgoing laser beams arrive the center of optical collimator 1 through twice refraction of standard gauge block, the signaling point of signal monitor 11 screen displays is positioned on reference center's point of monitor 11 screens, and the adjustable-angle of laser module 41 is ± 5 ° a spherical angle.
The detection method of assembly error of laser head semi-transparent semi-reflecting lens of the present invention, carry out according to the following steps:
A. the setting of assembly error of laser head semi-transparent semi-reflecting lens pick-up unit reference position.
A1. will distinguish the standard gauge block clamping of simulated laser head semi-transparent semi-reflecting lens 21 and completely reflecting mirror 22 in laser head anchor clamps 3 through precision machined.
A2. by difference turn horizontal adjustment screw 46, the mode of first set screw 47 and second set screw 48, horizontal adjustment panel 43 is adjusted to the reference position: promptly laser module 41 emitting laser collimated light beams arrive semi-transparent semi-reflecting lens 21 earlier and are refracted to completely reflecting mirror 22 then, be refracted into optical collimator 1 through completely reflecting mirror 22 again, converting the light signal of collimated light beam to electric signal through optical collimator 1 is transported in the signal monitor 11, the laser alignment light beam reference signal point that described signal monitor 11 shows is positioned on reference center's point of monitor 111 screens, finishes the assignment procedure of pick-up unit reference position.
B. the detection of assembly error of laser head semi-transparent semi-reflecting lens.
B1. with laser head to be detected 2 fixedly clamping in laser head anchor clamps 3.
B2. laser module 41 emitting laser collimated light beams are refracted into optical collimator 1 through semi-transparent semi-reflecting lens 21, the completely reflecting mirror 22 of laser head 2, be transported in the signal monitor 11 through optical collimator 1 electrical signal converted, leave the position of reference center's point according to signal monitor 11 shown laser alignment beam signal points, promptly characterize the angular error of semi-transparent semi-reflecting lens practical set.The maximal value that inner ring 112 expression semi-transparent semi-reflecting lens 21 angular errors allow is generally 10 ' or 15 '; The maximal value of outer ring 111 expression optical collimators, 1 measured angular error is generally 30 '.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (3)
1. the pick-up unit of an assembly error of laser head semi-transparent semi-reflecting lens, it is characterized in that: comprise laser module regulating device, the laser head anchor clamps, optical collimator, signal monitor, the laser module is fixed on the described laser module regulating device, described laser head anchor clamps are arranged on the place ahead of laser module emitting laser bundle, detected laser head fixedly clamping in the laser head anchor clamps, described optical collimator is arranged on the place ahead of detected laser head completely reflecting mirror deflecting light beams, the direction of described laser module emitting laser collimated light beam is aimed at the semi-transparent semi-reflecting lens center of detected laser head, the completely reflecting mirror centrally aligned optical collimator center of described laser head, the signal output part of described optical collimator connects signal monitor.
2. the pick-up unit of assembly error of laser head semi-transparent semi-reflecting lens according to claim 1 is characterized in that: described laser module regulating device comprises that laser module, laser module fixed mount, horizontal adjustment panel, contiguous block, horizontal adjustment screw, first set screw, second set screw, regulating block, dual-gripper rotate ball and fixed base plate; Described laser module is fixedly installed on the laser module fixed mount, and described horizontal adjustment panel is arranged on the top of fixed base plate, and described dual-gripper is rotated ball and is arranged between horizontal adjustment panel and the fixed base plate, is positioned at the rear of fixed base plate; Described regulating block is connected with the front end vertical fixing of fixed base plate; Described contiguous block is connected with the front end vertical fixing of horizontal adjustment panel; The upside of described horizontal adjustment screw and contiguous block flexibly connects, and described first set screw and second set screw flexibly connect with the both sides of contiguous block respectively.
3. the detection method of assembly error of laser head semi-transparent semi-reflecting lens according to claim 1 is characterized in that: carries out according to the following steps,
A. the reference position of setting laser head semi-transparent semi-reflecting lens rigging error pick-up unit;
A1. will distinguish the standard gauge block clamping of simulated laser head semi-transparent semi-reflecting lens and completely reflecting mirror in the laser head anchor clamps through precision machined;
A2. by difference turn horizontal adjustment screw, the mode of first set screw and second set screw, the horizontal adjustment panel is adjusted to the reference position: promptly laser module emitting laser collimated light beam arrives semi-transparent semi-reflecting lens earlier and is refracted to completely reflecting mirror then, be refracted into optical collimator through completely reflecting mirror again, converting the light signal of collimated light beam to electric signal through optical collimator is transported in the signal monitor, the laser alignment light beam reference signal point of described signal monitor screen display is positioned on reference center's point of monitor, finishes the assignment procedure of pick-up unit reference position;
B. the error of detection laser semi-transparent semi-reflecting lens assembling;
B1. with laser head to be detected fixedly clamping in the laser head anchor clamps;
B2. laser module emitting laser collimated light beam is refracted into optical collimator through semi-transparent semi-reflecting lens, the completely reflecting mirror of laser head, be transported in the signal monitor through the optical collimator electrical signal converted, leave the position of reference center's point according to the shown laser alignment beam signal point of signal monitor, promptly characterize the angular error of the practical set of semi-transparent semi-reflecting lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100260544A CN101504278B (en) | 2009-03-18 | 2009-03-18 | Detection apparatus and method for assembly error of laser head semi-transparent semi-reflecting lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100260544A CN101504278B (en) | 2009-03-18 | 2009-03-18 | Detection apparatus and method for assembly error of laser head semi-transparent semi-reflecting lens |
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| CN101504278A true CN101504278A (en) | 2009-08-12 |
| CN101504278B CN101504278B (en) | 2010-07-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064189A (en) * | 2012-12-14 | 2013-04-24 | 青岛镭创光电技术有限公司 | Laser device beam expander adjusting device and laser device beam expander adjusting method |
| CN104677312A (en) * | 2015-02-06 | 2015-06-03 | 浙江华立能源技术有限公司 | Base meter testing device and testing method thereof |
| CN108326369A (en) * | 2018-02-07 | 2018-07-27 | 湖南宇晶机器股份有限公司 | A kind of laser alignment device |
| CN108548492A (en) * | 2018-05-25 | 2018-09-18 | 四川拉姆达科技有限公司 | A kind of device and method of detection target ball eccentric error |
-
2009
- 2009-03-18 CN CN2009100260544A patent/CN101504278B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064189A (en) * | 2012-12-14 | 2013-04-24 | 青岛镭创光电技术有限公司 | Laser device beam expander adjusting device and laser device beam expander adjusting method |
| CN103064189B (en) * | 2012-12-14 | 2017-12-26 | 青岛镭创光电技术有限公司 | The method of adjustment of laser beam expanding lens adjusting apparatus and laser beam expanding lens |
| CN104677312A (en) * | 2015-02-06 | 2015-06-03 | 浙江华立能源技术有限公司 | Base meter testing device and testing method thereof |
| CN104677312B (en) * | 2015-02-06 | 2018-01-16 | 华立科技股份有限公司 | Base table test device and its method of testing |
| CN108326369A (en) * | 2018-02-07 | 2018-07-27 | 湖南宇晶机器股份有限公司 | A kind of laser alignment device |
| CN108548492A (en) * | 2018-05-25 | 2018-09-18 | 四川拉姆达科技有限公司 | A kind of device and method of detection target ball eccentric error |
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| Publication number | Publication date |
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| CN101504278B (en) | 2010-07-14 |
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Inventor after: Liu Tong Inventor after: Zhou Yuanli Inventor after: Zhu Caizhi Inventor after: Fu Yingwen Inventor before: Liu Tong Inventor before: Liao Hanzhong Inventor before: Zhou Yuanli Inventor before: Zhu Caizhi Inventor before: Fu Yingwen |
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Free format text: CORRECT: INVENTOR; FROM: LIU TONG LIAO HANZHONG ZHOU YUANLI ZHU CAIZHI FU YINGWEN TO: LIU TONG ZHOUYUANLI ZHU CAIZHI FU YINGWEN |
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