CN208476185U - A kind of optical null detection device - Google Patents
A kind of optical null detection device Download PDFInfo
- Publication number
- CN208476185U CN208476185U CN201821230397.3U CN201821230397U CN208476185U CN 208476185 U CN208476185 U CN 208476185U CN 201821230397 U CN201821230397 U CN 201821230397U CN 208476185 U CN208476185 U CN 208476185U
- Authority
- CN
- China
- Prior art keywords
- auto
- plane reflector
- testing stand
- collimation collimator
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model relates to technical field of optical detection, specifically disclose a kind of optical null detection device, wherein, it include: testing stand, first plane reflector, second plane reflector, first auto-collimation collimator, second auto-collimation collimator and test parallel light tube, first plane reflector and the second plane reflector are fixed on the upper surface of the testing stand, it is spaced between first plane reflector and second plane reflector and is at an angle of setting, first auto-collimation collimator and the second auto-collimation collimator are arranged with testing stand spacing distance, the mirror surface centre normal of the optical axis of first auto-collimation collimator and the first plane reflector is located at same straight line, the mirror surface centre normal of the optical axis of second auto-collimation collimator and the second plane reflector is located at same straight line, it tests parallel light tube and testing stand spacing distance is arranged.Optical null detection device provided by the utility model has easy to operate, detection efficiency height and the accurate advantage of detection.
Description
Technical field
The utility model relates to technical field of optical detection more particularly to a kind of optical null detection devices.
Background technique
Vibration, shock table are used for laboratory simulation product in actual use, the energy for the impact failure for needing to bear
Power evaluates the impact resistance of product structure with this, and by experimental data, optimizes the structural strength of product.According to correct
The impact resistance of evaluation can effectively improve the reliability that product uses.To equipment (including the machinery of place in the operating condition
, electronics, it is hydraulic and electronics) carry out impact test, to assess the Structural integrity and function equipped under percussion
It can consistency.The impact cutting that may be subject in transport, cargo handling process with the mode of laboratory test come dummy packages transportation
Bad, when thus being impacted during transportation to evaluate package, can the buffering of packaging, damping reach the protection to product
Ability.
Currently, various optical devices will be tested after the end of the experiment mostly when being tested on vibration, shock table
Part reuses other calibration equipments and carries out interpretation after removing, operating process complicated and time consumption, efficiency is lower.
Therefore, it is urgently to be resolved as those skilled in the art how to provide a kind of optical null detection device easy to operate
The technical issues of.
Summary of the invention
The utility model aims to solve at least one of the technical problems existing in the prior art, provides a kind of optical null inspection
Device is surveyed, to solve the problems of the prior art.
As the one aspect of the utility model, a kind of optical null detection device is provided, wherein the optical null inspection
Surveying device includes: testing stand, the first plane reflector, the second plane reflector, the first auto-collimation collimator, the second auto-collimation
Parallel light tube and test parallel light tube, first plane reflector and second plane reflector are fixed on the testing stand
Upper surface, be spaced between first plane reflector and second plane reflector and angled setting, described first
Auto-collimation collimator and second auto-collimation collimator are arranged with the testing stand spacing distance, first autocollimatic
The straight optical axis of parallel light tube and the mirror surface centre normal of first plane reflector are located at same straight line, second auto-collimation
The mirror surface centre normal of the optical axis of parallel light tube and second plane reflector is located at same straight line, the test parallel light tube
It is arranged with the testing stand spacing distance.
Preferably, it is spaced and is vertically arranged between first plane reflector and second plane reflector.
Preferably, the testing stand includes cuboid testing stand.
Preferably, the upper surface of first plane reflector and second plane reflector and testing stand rigidity
Connection.
Preferably, first auto-collimation collimator, the second auto-collimation collimator and test parallel light tube pass through
Bracket support setting.
Optical null detection device provided by the utility model, by the way that two plane reflectors are arranged on testing stand,
And auto-collimation collimator corresponding with two plane reflectors is arranged in testing stand spacing distance position, while between testing stand
Gauge, which is offed normal, installs test parallel light tube, passes through two auto-collimation collimators and two test bed vibrations of plane reflector
The attitudes vibration data of dynamic front and back test the optical null before and after product to be measured vibrates on testing stand by testing parallel light tube
The attitudes vibration data of the delta data of optical null position and testing stand vibration front and back are compared to judge to be measured by position
Whether the optical null of product changes and changed numerical value, optical null detection dress provided by the utility model
It sets with easy to operate, detection efficiency height and the accurate advantage of detection.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of optical null detection device provided by the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As the one aspect of the utility model, a kind of optical null detection device is provided, wherein as shown in Figure 1, described
Optical null detection device includes: that testing stand 5, the first plane reflector 11, the second plane reflector 12, the first auto-collimation are parallel
Light pipe 21, the second auto-collimation collimator 22 and test parallel light tube 3, first plane reflector 11 and second plane
Reflector 12 is fixed on the upper surface of the testing stand 5, first plane reflector 11 and second plane reflector 12
Between be spaced and angled setting, first auto-collimation collimator 21 and second auto-collimation collimator 22 are and institute
State the setting of 5 spacing distance of testing stand, the optical axis of first auto-collimation collimator 21 and first plane reflector 11
Mirror surface centre normal is located at same straight line, the optical axis of second auto-collimation collimator 22 and second plane reflector 12
Mirror surface centre normal be located at same straight line, the test parallel light tube 3 is arranged with 5 spacing distance of testing stand.
Specifically, when being provided with product 4 to be measured on the testing stand 5, the optical axis of the product 4 to be measured and the test
The optical axis of parallel light tube 3 is coaxial, before starting to carry out vibration impact experiment to product 4 to be measured, measures the first auto-collimation directional light
The graduation position of pipe 21 and the second auto-collimation collimator 22 measures the test parallel light tube to determine the posture of testing stand 5
It starts to work in testing stand 5 with the optical null initial position of the determination product to be measured and generates vibration in 3 graduation position
Afterwards, aforesaid operations are repeated, the posture of the testing stand 5 after being shaken and the optical null position of product to be measured 4, by having a competition
The variation of the vibration of platform 5 front and back data is tested, to judge whether the optical null of product 4 to be measured changes because of vibration, and because of vibration
The specific value of variation.
Optical null detection device provided by the utility model, by the way that two plane reflectors are arranged on testing stand,
And auto-collimation collimator corresponding with two plane reflectors is arranged in testing stand spacing distance position, while between testing stand
Gauge, which is offed normal, installs test parallel light tube, passes through two auto-collimation collimators and two test bed vibrations of plane reflector
The attitudes vibration data of dynamic front and back test the optical null before and after product to be measured vibrates on testing stand by testing parallel light tube
The attitudes vibration data of the delta data of optical null position and testing stand vibration front and back are compared to judge to be measured by position
Whether the optical null of product changes and changed numerical value, optical null detection dress provided by the utility model
It sets with easy to operate, detection efficiency height and the accurate advantage of detection.
It should be understood that the mirror of the optical axis of first auto-collimation collimator 21 and first plane reflector 11
Face centre normal is located at same straight line specifically, first auto-collimation collimator 21 is perpendicular to first plane reflector
The optical axis of 11 mirror surface and first auto-collimation collimator 21 with perpendicular to first plane reflector 11 mirror surface and
Center line through the center of the mirror surface of first plane reflector 11 is located at same straight line, the second auto-collimation directional light
The mirror surface centre normal of the optical axis of pipe 22 and second plane reflector 12 is located at same straight line, and second auto-collimation is parallel
The optical axis of light pipe 22 is perpendicular to the mirror surface of second plane reflector 12 and the optical axis of second auto-collimation collimator 22
With the mirror surface perpendicular to second plane reflector 12 and in the center of the mirror surface of second plane reflector 12
Heart line is located at same straight line.
Preferably, it is spaced and is vertically arranged between first plane reflector 11 and second plane reflector 12.
It is understood that being vertically arranged energy between first plane reflector 11 and second plane reflector 12
Enough postures for preferably reflecting testing stand 5, it further should be understood that, due to first auto-collimation collimator 21
It is located at same straight line with the mirror normal of first plane reflector 11, second auto-collimation collimator 22 and described the
The mirror normal of two plane reflectors 12 is located at same straight line, therefore, first auto-collimation collimator 21 and the second autocollimatic
It is spaced and is vertically arranged between straight parallel light tube 22.
Preferably, the testing stand 5 includes cuboid testing stand.
Specifically, as shown in Figure 1, the testing stand 5 is cuboid testing stand, first auto-collimation collimator 21
In the first side of the testing stand 5, second auto-collimation collimator 22 is located at and the testing stand 5 and first side
Vertical second side.
Preferably, the test parallel light tube 3 can be located at the testing stand 5 with first auto-collimation collimator 21
The same side.
It should be noted that the product to be measured 4 is rigidly connected with the testing stand 5, the product 4 to be measured is in the examination
It tests platform 5 to carry out the testing stand 5 capable of being followed to vibrate together when vibration impact experiment, 21 He of the first auto-collimation collimator
Second auto-collimation collimator 22 is able to record the initial attitude of the testing stand 5 before on-test, rushes by vibration
After hitting test, first auto-collimation collimator 21 and second auto-collimation collimator 22 are able to record the testing stand
Posture after 5 test, posture and the difference of initial attitude are able to reflect the testing stand 5 after vibration impact experiment after test
Variation, since product 4 to be measured is fixed on the testing stand 5, the internal structure of the product 4 to be measured do not have because
When changing for vibratory impulse, the optical null of the product 4 to be measured should be with the attitudes vibration phase of the testing stand 5
Together, i.e. the variation of the optical null of the product 4 to be measured of test parallel light tube 3 record is identical as attitudes vibration, if production to be measured
The internal structure of product 4 is changed with vibration impact experiment, then tests the product 4 to be measured of the record of parallel light tube 3
The changing value of optical null subtract testing stand 5 attitudes vibration value be the product to be measured 4 internal structure occur variation
Value.
It should be noted that the attitude data of the testing stand 5 includes the number such as pitching, inclination and rotation of testing stand table top
According to.
Specifically, the upper surface of first plane reflector 11 and second plane reflector 12 and the testing stand
Rigid connection.
Specifically, it is put down in order to realize first auto-collimation collimator, the second auto-collimation collimator and test
The fixation of row light pipe, first auto-collimation collimator 21, the second auto-collimation collimator 22 and test parallel light tube 3 are logical
Cross the support setting of bracket 6.
Optical null detection device provided by the utility model, is matched by using multiple parallel light tubes and plane reflection device
It closes, makes product to be measured that can quickly obtain the optical null position of measured piece, side after vibration, the test of shock table analog vibration
Just interpretation its whether change, simplify operation, improve efficiency.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (5)
1. a kind of optical null detection device, which is characterized in that the optical null detection device includes: testing stand, first flat
Face reflector, the second plane reflector, the first auto-collimation collimator, the second auto-collimation collimator and test parallel light tube,
First plane reflector and second plane reflector are fixed on the upper surface of the testing stand, and first plane is anti-
It is spaced between emitter and second plane reflector and is at an angle of setting, first auto-collimation collimator and described second
Auto-collimation collimator is arranged with the testing stand spacing distance, the optical axis of first auto-collimation collimator and described the
The mirror surface centre normal of one plane reflector is located at same straight line, the optical axis of second auto-collimation collimator and described second
The mirror surface centre normal of plane reflector is located at same straight line, and the test parallel light tube is set with the testing stand spacing distance
It sets.
2. optical null detection device according to claim 1, which is characterized in that first plane reflector and described
It is spaced and is vertically arranged between second plane reflector.
3. optical null detection device according to claim 2, which is characterized in that the testing stand includes cuboid test
Platform.
4. optical null detection device as claimed in any of claims 1 to 3, which is characterized in that described first is flat
The upper surface of face reflector and second plane reflector and the testing stand is rigidly connected.
5. optical null detection device as claimed in any of claims 1 to 3, which is characterized in that described first certainly
Parallel light tube, the second auto-collimation collimator and test parallel light tube is collimated to support and be arranged by bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230397.3U CN208476185U (en) | 2018-08-01 | 2018-08-01 | A kind of optical null detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230397.3U CN208476185U (en) | 2018-08-01 | 2018-08-01 | A kind of optical null detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476185U true CN208476185U (en) | 2019-02-05 |
Family
ID=65208113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821230397.3U Active CN208476185U (en) | 2018-08-01 | 2018-08-01 | A kind of optical null detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476185U (en) |
-
2018
- 2018-08-01 CN CN201821230397.3U patent/CN208476185U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103575460B (en) | Sensor check system and method | |
| US20190033157A1 (en) | Device for measuring and adjusting inertia of test model of offshore structure and method for using the same | |
| CN101464163B (en) | Straightness detecting method for platform normal point used for total station instrument check | |
| CN203275373U (en) | Nonmetal ultrasonic detector calibrating device | |
| CN102620695B (en) | Measuring tool for three-coordinate measuring machine and detecting method of measuring tool | |
| CN208476185U (en) | A kind of optical null detection device | |
| CN106644455A (en) | Robot joint reducer overturning stiffness test system based on laser measurement | |
| CN103575461B (en) | Sensor check system and method | |
| CN104034473B (en) | The measuring method of a kind of film structure pre-tension and device | |
| CN106839933A (en) | A kind of Simple robot accuracy detecting device and detection method | |
| RU2445592C1 (en) | Method of checking quality of operation of stand for determining mass-balancing and mass-inertia characteristics of solid body of rotation | |
| CN212058759U (en) | Laser measurement formula road bed level check out test set | |
| CN110567412A (en) | Device and method for measuring edge distance of polygonal crimped cable | |
| CN108917789B (en) | Inclinometer orthogonality evaluation method based on relative included angle of pitch axis and roll axis | |
| CN104280229B (en) | The unblock test method of vibrating isolation system | |
| CN210953334U (en) | Optical zero detection device | |
| CN109974557A (en) | Rotatable general measuring instrument and measurement method | |
| CN107747945A (en) | A kind of posture angle detecting device of suspension platform | |
| JP5961812B1 (en) | Center of gravity measurement device | |
| CN110080974B (en) | Testing and mounting method for deep-well pump | |
| CN103278273B (en) | Axle case residual stress detecting method and device | |
| KR101326280B1 (en) | Portable center of gravity measuring device | |
| JP5055528B2 (en) | Impact strength evaluation method | |
| CN205655789U (en) | Flatness testing apparatus | |
| KR101152106B1 (en) | Apparatus for structural integrity test of nuclear power plant containment structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |