CN210953334U - Optical zero detection device - Google Patents
Optical zero detection device Download PDFInfo
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- CN210953334U CN210953334U CN201921926727.7U CN201921926727U CN210953334U CN 210953334 U CN210953334 U CN 210953334U CN 201921926727 U CN201921926727 U CN 201921926727U CN 210953334 U CN210953334 U CN 210953334U
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- autocollimator
- plane reflector
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Abstract
The utility model relates to an optical detection technical field specifically discloses an optics zero-bit detection device, wherein, include: the system comprises a Picatinny guide rail, a first autocollimator, a second autocollimator, a target generator, a first plane reflector and a second plane reflector; the Picatinny guide rail is used for being fixed on the vibration impact test bed; the first plane reflector and the second plane reflector are both arranged on the side surface of the Picatinny guide rail, and the normal of the first plane reflector is vertical to the normal of the second plane reflector; the first autocollimator is arranged opposite to the first plane reflector, and the optical axis of the first autocollimator is vertical to the mirror surface of the first plane reflector; the second autocollimator is arranged opposite to the second plane mirror, and the optical axis of the second autocollimator is vertical to the mirror surface of the second plane mirror; the target generator is arranged opposite to the tested product, and the optical axis of the target generator is coaxial with the tested product. The utility model provides an optics zero-bit detection device has improved detection efficiency and detection precision.
Description
Technical Field
The utility model relates to an optical detection technical field especially relates to an optics zero-bit detection device.
Background
In view of the fact that most optical devices detect zero positions of optical products at present, most of the processes are that experiments are carried out on a test bench, and then the tested products are detached after the experiments are finished, so that the processes are complex and large in workload, errors caused by human operation factors are generated in the repeated clamping process, and the efficiency is low.
Disclosure of Invention
The utility model provides an optics zero-bit detection device solves the big problem of optics zero-bit detection efficiency low error that exists among the correlation technique.
As an aspect of the present invention, there is provided an optical zero detection device, wherein, include: the system comprises a Picatinny guide rail, a first autocollimator, a second autocollimator, a target generator, a first plane reflector and a second plane reflector;
the Picatinny guide rail is used for being fixed on a vibration impact test bed and clamping a tested product;
the first plane reflector and the second plane reflector are both arranged on the side surface of the Picatinny guide rail, and the normal of the first plane reflector is vertical to the normal of the second plane reflector;
the first autocollimator is arranged opposite to the first plane reflector, and the optical axis of the first autocollimator is perpendicular to the mirror surface of the first plane reflector;
the second autocollimator is arranged opposite to the second plane mirror, and the optical axis of the second autocollimator is perpendicular to the mirror surface of the second plane mirror;
the target generator and the tested product are arranged oppositely, and the optical axis of the target generator and the tested product are coaxially arranged.
Further, the first autocollimator is spaced from the first plane mirror by a distance of between 10cm and 30 cm.
Further, the second autocollimator is spaced from the second plane mirror by a distance of between 10cm and 30 cm.
Further, the target generator is spaced from the product to be tested by a distance of between 10cm and 30 cm.
The protective device further comprises a first plane mirror protective sleeve and a second plane mirror protective sleeve, wherein the first plane mirror protective sleeve is arranged on the first plane mirror, and the second plane mirror protective sleeve is arranged on the second plane mirror.
Further, the Picatinny guide rail is fixed on the vibration impact test bed through a fixing piece.
Further, the fixing member includes a screw.
By the optical zero-position detection device, in an initial state, the zero position of a detected product is recorded by the target generator, the initial posture of the Picatinny guide rail is recorded by the first collimator and the first plane reflector and the second collimator and the second plane reflector, after a vibration impact test of a vibration impact test table, the posture of the tested Picatinny guide rail is detected by the first collimator and the first plane reflector and the second collimator and the second plane reflector, the posture of the target generator is corrected according to the posture change value of the Picatinny guide rail, so that the optical axis of the target generator is consistent with that before the vibration impact test relative to the Picatinny guide rail, and finally whether the zero position of the detected product changes or not is detected by taking the corrected optical axis of the target generator as a reference. The optical zero-position detection device is simple and efficient to operate, and can truly simulate the loss condition of a detected product in the actual use process. In addition, only need carry out a clamping to the product measured, great reduction work load and human factor are to the influence of zero position momentum of walking, have improved measurement accuracy. The Picatinny guide rail is taken as a reference, different optical products clamped on the Picatinny guide rail can be detected, and the detection flexibility is greatly improved; the mode that two plane reflectors are arranged on the Picatinny guide rail to determine the posture is adopted, so that the production cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the optical zero detection device provided by the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, an optical zero detection device is provided, fig. 1 is a schematic structural diagram of an optical zero detection device provided according to an embodiment of the present invention, as shown in fig. 1, including: the system comprises a Picatinny guide rail 10, a first autocollimator 20, a second autocollimator 30, a target generator 40, a first plane mirror 50 and a second plane mirror 60;
the Picatinny guide rail 10 is used for being fixed on a vibration impact test bed 70 and clamping a tested product 80;
the first plane mirror 50 and the second plane mirror 60 are both arranged on the side surface of the Picatinny guide rail 10, and the normal line of the first plane mirror 50 is perpendicular to the normal line of the second plane mirror 60;
the first autocollimator 20 is disposed opposite to the first plane mirror 50, and an optical axis of the first autocollimator 20 is perpendicular to the first plane mirror 50;
the second autocollimator 30 is disposed opposite to the second plane mirror 60, and an optical axis of the second autocollimator 30 is perpendicular to the second plane mirror 60;
the target generator 40 is arranged opposite to the tested product 80, and the optical axis of the target generator 40 is arranged coaxially with the tested product 80.
By the optical zero-position detection device, in an initial state, the zero position of a detected product is recorded by the target generator, the initial posture of the Picatinny guide rail is recorded by the first collimator and the first plane reflector and the second collimator and the second plane reflector, after a vibration impact test of a vibration impact test table, the posture of the tested Picatinny guide rail is detected by the first collimator and the first plane reflector and the second collimator and the second plane reflector, the posture of the target generator is corrected according to the posture change value of the Picatinny guide rail, so that the optical axis of the target generator is consistent with that before the vibration impact test relative to the Picatinny guide rail, and finally whether the zero position of the detected product changes or not is detected by taking the corrected optical axis of the target generator as a reference. The optical zero-position detection device is simple and efficient to operate, and can truly simulate the loss condition of a detected product in the actual use process. In addition, only need carry out a clamping to the product measured, great reduction work load and human factor are to the influence of zero position momentum of walking, have improved measurement accuracy. The Picatinny guide rail is taken as a reference, different optical products clamped on the Picatinny guide rail can be detected, and the detection flexibility is greatly improved; the mode that two plane reflectors are arranged on the Picatinny guide rail to determine the posture is adopted, so that the production cost is reduced.
Specifically, the first autocollimator 20 is spaced from the first plane mirror 50 by a distance of between 10cm and 30 cm.
Specifically, the second autocollimator 30 is spaced from the second plane mirror 60 by a distance of between 10cm and 30 cm.
Specifically, the target generator 40 is spaced from the product under test 80 by a distance of between 10cm and 30 cm.
It should be understood that the target generator 40 may be secured to the surface by a bracket.
It can be understood that the first autocollimator 20 is not connected to the first plane mirror 50, the second autocollimator 30 is not connected to the second plane mirror 60, and the target generator 40 is not connected to the tested product 80, so that the influence of a table top of a vibration table or artificial clamping errors can be eliminated during a vibration impact table test, and the detection accuracy of zero position change of the tested product can be improved.
Specifically, as shown in fig. 1, the reflective protection cover further includes a first flat mirror protection cover 51 and a second flat mirror protection cover 52, where the first flat mirror protection cover 51 is disposed on the first flat mirror 50, and the second flat mirror protection cover 52 is disposed on the second flat mirror 60.
It should be noted that the first flat mirror protective sleeve 51 and the second flat mirror protective sleeve 52 can respectively protect the mirror surface of the sleeved flat mirror, and also have the function of removing stray light.
Specifically, the Picatinny rail 10 is fixed on the vibration impact test stand 70 by a fixing member 90.
Preferably, the fixing member 90 includes a screw.
The following describes in detail the detection process of the optical zero detection apparatus provided by the present invention with reference to fig. 1.
1) Clamping a tested product 80 on a Picatinny guide rail 10;
2) determining the initial posture of the Picatinny guide rail 10 through the first autocollimator 20 and the first plane mirror 50 and the second autocollimator 30 and the second plane mirror 60 respectively;
3) recording the zero position of the tested product 80 through the target generator 40, and calibrating the initial position of the optical zero position of the tested product 80;
4) performing vibration and impact tests, meanwhile, detecting the posture change of the Picatinny guide rail 10 in real time, after the test is stopped, respectively detecting the posture change of the Picatinny guide rail 10 through the first autocollimator 20 and the first plane reflector 50 and the second autocollimator 30 and the second plane reflector 60, and correcting the posture of the target generator 40 by using a change value, so that the relative position of the optical axis of the target generator 40 and the Picatinny guide rail 10 is consistent with that before the vibration and impact tests;
5) and then the target generator 40 at this time provides a target for the tested product 80, and detects whether the zero position of the tested product 80 changes.
It should be understood that if the optical axis of the target generator 40 is still coaxial with the product 80, the zero position of the product 80 is determined to be unchanged, and if the optical axis of the target generator 40 is not coaxial with the product 80, the zero position of the product 80 is determined to be changed.
The utility model provides an optics zero-bit detection device can use Picatinny guide rail as the benchmark, realize the on-line measuring to being surveyed the product zero-bit, the vibration of here, impact test are used for simulating the impact that is surveyed the product and suffers in the in-service use and destroy, the loss condition that meets with in comparatively real simulation in-service use, through experiment gained data, can know the shock resistance of being surveyed the product, know and surveyed the product zero-bit and mainly received which factor influence, thereby the use accuracy of being surveyed the product has been improved.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (7)
1. An optical null detection device, comprising: the system comprises a Picatinny guide rail, a first autocollimator, a second autocollimator, a target generator, a first plane reflector and a second plane reflector;
the Picatinny guide rail is used for being fixed on a vibration impact test bed and clamping a tested product;
the first plane reflector and the second plane reflector are both arranged on the side surface of the Picatinny guide rail, and the normal of the first plane reflector is vertical to the normal of the second plane reflector;
the first autocollimator is arranged opposite to the first plane reflector, and the optical axis of the first autocollimator is perpendicular to the mirror surface of the first plane reflector;
the second autocollimator is arranged opposite to the second plane mirror, and the optical axis of the second autocollimator is perpendicular to the mirror surface of the second plane mirror;
the target generator and the tested product are arranged oppositely, and the optical axis of the target generator and the tested product are coaxially arranged.
2. The optical null detection device according to claim 1 wherein the first autocollimator is spaced from the first planar mirror by a distance of between 10cm and 30 cm.
3. The optical null detection device according to claim 1 wherein the second autocollimator is spaced from the second planar mirror by a distance of between 10cm and 30 cm.
4. The optical null detection device according to claim 1 wherein the target generator is spaced from the product under test by a distance of between 10cm and 30 cm.
5. The optical null detection device according to any one of claims 1 to 4, further comprising a first flat mirror protective cover provided on the first flat mirror and a second flat mirror protective cover provided on the second flat mirror.
6. The optical zero detection device as claimed in any one of claims 1 to 4, wherein the Picatinny rail is fixed on the vibration impact test stand by a fixing member.
7. The optical null detection device according to claim 6 wherein the fixing member comprises a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926727.7U CN210953334U (en) | 2019-11-08 | 2019-11-08 | Optical zero detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926727.7U CN210953334U (en) | 2019-11-08 | 2019-11-08 | Optical zero detection device |
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| CN210953334U true CN210953334U (en) | 2020-07-07 |
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| CN201921926727.7U Active CN210953334U (en) | 2019-11-08 | 2019-11-08 | Optical zero detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108693A (en) * | 2021-04-01 | 2021-07-13 | 南京理工大学 | Quick zero detection device and method |
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2019
- 2019-11-08 CN CN201921926727.7U patent/CN210953334U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108693A (en) * | 2021-04-01 | 2021-07-13 | 南京理工大学 | Quick zero detection device and method |
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