CN207741703U - The light channel structure that a kind of laser displacement sensor inside light path multi-angle, multiposition adjust - Google Patents
The light channel structure that a kind of laser displacement sensor inside light path multi-angle, multiposition adjust Download PDFInfo
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- CN207741703U CN207741703U CN201820158774.0U CN201820158774U CN207741703U CN 207741703 U CN207741703 U CN 207741703U CN 201820158774 U CN201820158774 U CN 201820158774U CN 207741703 U CN207741703 U CN 207741703U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 210000004907 gland Anatomy 0.000 claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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Abstract
The utility model discloses the light channel structures that light path multi-angle, multiposition adjust inside a kind of laser displacement sensor, including mechanical cover, the interior side of the mechanical cover is provided with laser, the laser is fixedly connected with mechanical cover by laser firm banking, the inside other side of the mechanical cover is provided with camera lens stationary gland, the camera lens stationary gland is fixedly connected with mechanical cover by optical adjustment system pedestal, and the inside of the camera lens stationary gland is enclosed with optical lens；By the light channel structure for devising a kind of laser displacement sensor inside light path multi-angle, multiposition adjustment, it can be on same laser displacement sensor mechanical cover, it realizes multi-angle, the adjustment of multipoint light path, is suitable for the light path demand of the laser displacement sensor of different measuring ranges；Adjustment simultaneously is simple, can effectively be made up by later stage adjustment since mechanical processing, camera lens process the influence that equal error is brought.
Description
Technical field
The utility model belongs to laser displacement technical field, and in particular to a kind of laser displacement sensor inside light path is polygonal
The light channel structure that degree, multiposition adjust.
Background technology
Laser displacement sensor is the sensor measured using laser technology.It by laser, laser detector and
Measuring circuit forms.Laser sensor is new type measuring instrument table.It is capable of position, the displacement etc. of accurate non-cpntact measurement testee
Variation.The dimensional measurement of the precision such as displacement, thickness, vibration, distance, diameter can be measured.The excellent spy that laser has straightness good
Property, same laser displacement sensor has higher precision relative to our known ultrasonic sensors.But the generation of laser
Device is relatively complicated and volume is larger, therefore can require the application range of laser displacement sensor harsher.Laser position
Displacement sensor can accurate non-cpntact measurement testee the variations such as position, displacement, be mainly used in displacement, the thickness of detection object
The measurement of the geometric senses such as degree, vibration, distance, diameter.According to measuring principle, laser displacement sensor principle is divided into laser triangulation survey
Amount method and return laser beam analytic approach, laser triangulation applies in general to high-precision, short-range measurement, and return laser beam divides
It analyses rule and is used for telemeasurement, introduce two kinds of measurement methods of laser displacement sensor principle separately below.
Although existing technology can realize the light path demand of laser displacement sensor, the error of mechanical processing, optics
Camera lens mismachining tolerance, installation and debugging error etc. can all cause the error of light path system, if continued according to fixed mechanical cover
Fixed, then effect is extremely difficult to ideal light path；This fixed light channel structure, light path can not be carried out easily accurately simultaneously
Light path adjustment, can not fast and accurately adjust out the light path for meeting ideal laser principle of triangulation, efficiency is low, accuracy
It is low.The problem of being difficult to ensure the measurement accuracy demand of laser displacement sensor, thus it is proposed that a kind of laser displacement sensor
The light channel structure that internal light path multi-angle, multiposition adjust.
Utility model content
The purpose of this utility model is to provide light path multi-angle, multiposition inside a kind of laser displacement sensor to adjust
Light channel structure, although to solve to propose that existing technology can realize that the light path of laser displacement sensor needs in above-mentioned background technology
Error, optical lens mismachining tolerance, the installation and debugging error etc. asked, but be machined can all cause the error of light path system,
If continuation is fixed according to fixed mechanical cover, effect is extremely difficult to ideal light path；This fixed light path simultaneously
Structure, light path can not easily carry out accurate light path adjustment, can not fast and accurately adjust out and meet the survey of ideal laser triangle
The light path of principle is measured, efficiency is low, and accuracy is low.The problem of being difficult to ensure the measurement accuracy demand of laser displacement sensor.
To achieve the above object, the utility model provides the following technical solutions：A kind of laser displacement sensor inside light path
The light channel structure that multi-angle, multiposition adjust, including mechanical cover, the interior side of the mechanical cover are provided with laser,
The laser is fixedly connected with mechanical cover by laser firm banking, and the inside other side of the mechanical cover is provided with
Camera lens stationary gland, the camera lens stationary gland are fixedly connected with mechanical cover by optical adjustment system pedestal, the camera lens
The inside of stationary gland is enclosed with optical lens, before the upper surface of the camera lens stationary gland has been fixed by screws system
End, the front surface of the system front end are provided with first gear, and the upper surface of the system front end is provided with System Back-end, described
System Back-end is fixed by stationary gland with system front end and is connect, and the lower surface of the System Back-end is provided with the 2nd CCD
The rear surface of circuit board, the System Back-end is provided with the first CCD circuit boards, and the front surface of the System Back-end is provided with second
Gear, and second gear is engaged by card slot with first gear and is fixedly connected.
Preferably, the bearing of the laser firm banking is bilateral elongated slot.
Preferably, the front surface of the system front end is provided with cylindrical protrusions.
Preferably, the inside setting of the stationary gland is fluted.
Preferably, the System Back-end is rotatablely connected by first gear and stationary gland with system front end.
Compared with prior art, the utility model has the beneficial effects that：
It (1), can by devising the light channel structure of a kind of laser displacement sensor inside light path multi-angle, multiposition adjustment
On same laser displacement sensor mechanical cover, to realize multi-angle, the adjustment of multipoint light path, it is suitable for different measurement amounts
The light path demand of the laser displacement sensor of journey；Adjustment simultaneously is simple, can effectively be made up by later stage adjustment since machinery adds
The influence that work, camera lens processing equal error are brought.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the pedestal and mechanical cover mounting structure schematic diagram of the utility model；
Fig. 3 is the optical adjustment system overall structure diagram of the utility model；
Fig. 4 is the optical adjustment system part a structural schematic diagrams of the utility model；
Fig. 5 is the optical adjustment system part b structural schematic diagrams of the utility model；
In figure：1- mechanical covers, 2- lasers, 3- optical lens, 4- camera lenses stationary gland, 5- optical adjustment systems bottom
Seat, 6- system front ends, the first CCD circuit boards of 7-, 8- lasers firm banking, 9- first gears, the 2nd CCD circuit boards of 10-,
11- System Back-ends, 12- stationary glands, 13- second gears.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of laser displacement sensor inside light path is polygonal
The light channel structure that degree, multiposition adjust, including mechanical cover 1, the interior side of mechanical cover 1 are provided with laser 2, laser
2 are fixedly connected with mechanical cover 1 by laser firm banking 8, and the inside other side of mechanical cover 1 is provided with camera lens and fixes pressure
Lid 4, camera lens stationary gland 4 are fixedly connected with mechanical cover 1 by optical adjustment system pedestal 5, the inside of camera lens stationary gland 4
It is enclosed with optical lens 3, the upper surface of camera lens stationary gland 4 has been fixed by screws system front end 6, system front end 6
Front surface is provided with first gear 9, and the upper surface of system front end 6 is provided with System Back-end 11, System Back-end 11 and system front end 6
It is fixed connection by stationary gland 12, the lower surface of System Back-end 11 is provided with the 2nd CCD circuit boards 10, System Back-end 11
Rear surface be provided with the first CCD circuit boards 7, the front surface of System Back-end 11 is provided with second gear 13, and second gear 13
It is engaged and is fixedly connected by card slot with first gear 9.
It is moved for the ease of laser firm banking 8, in the present embodiment, it is preferred that the bearing of laser firm banking 8
For bilateral elongated slot.
For the ease of adjusting the angle, in the present embodiment, it is preferred that the front surface of system front end 6 is provided with cylindrical protrusions.
For the ease of adjusting the angle, in the present embodiment, it is preferred that the inside setting of stationary gland 12 is fluted.
The angle with system front end 6 can be realized for the ease of System Back-end 11 by first gear 9 and stationary gland 12
Continuous adjustment, in the present embodiment, it is preferred that System Back-end 11 passes through 6 turns of first gear 9 and stationary gland 12 and system front end
Dynamic connection.
The operation principle and process for using of the utility model：The device adjusts attached laser firm banking 8 after installation is complete
Front and back position and laser on focusing lens obtain satisfied laser facula, last lock screw is fixed on mechanical cover
On 1, using structural parameters, gauged distance and the preset angles the α size inside mechanical cover, according to right angled triangle principle,
The position that optical adjustment system pedestal 5 is adjusted by standard ruler, makes the center in the reflection light of laser beam, by light
It learns adjustment system front end 6 to connect with optical adjustment system pedestal optical adjustment system pedestal 5, optics is adjusted by standard angle ruler
The corner for adjusting system front end 6, makes its system front end axle center be in the reflection light of laser beam, finally locks pH effect
Screw on system base 5 is fixed, and adjusts the corner of second gear 13, it can be achieved that the circumference of optical adjustment system rear end 11 is remote
It is dynamic, it is identified according to the angle above optical adjustment system rear end 11, is adjusted to 30 ° of angles, can be obtained by expected 60 ° of β in this way
Angle, last lock screw are fixed, and CCD circuit boards power on, and are observed camera image by PC, are adjusted the back-and-forth motion of optical lens 3,
Satisfied representation of laser facula is obtained, finally by camera lens stationary gland 4, fixed lens finally change mechanical cover 1 to calibration
The distance of reference plane moves in ± 15mm, observes camera image, finely tunes the angles β and optical lens position according to picture quality, directly
To the image clearly in entire range, until good results, finally adjustment part used is fixed, and is carried out by glue strong
Change and reinforces.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. the light channel structure that light path multi-angle, multiposition adjust inside a kind of laser displacement sensor, including mechanical cover (1),
It is characterized in that：The interior side of the mechanical cover (1) is provided with laser (2), the laser (2) and mechanical cover
(1) it is fixedly connected by laser firm banking (8), the inside other side of the mechanical cover (1) is provided with camera lens and fixes pressure
It covers (4), the camera lens stationary gland (4) is fixedly connected with mechanical cover (1) by optical adjustment system pedestal (5), the mirror
The inside of head stationary gland (4) is enclosed with optical lens (3), and the upper surface of the camera lens stationary gland (4) is screwed
It is connected with system front end (6), the front surface of the system front end (6) is provided with first gear (9), the system front end (6)
Upper surface is provided with System Back-end (11), and the System Back-end (11) is engaged with system front end (6) by stationary gland (12) solid
Fixed connection, the lower surface of the System Back-end (11) is provided with the 2nd CCD circuit boards (10), the rear table of the System Back-end (11)
Face is provided with the first CCD circuit boards (7), and the front surface of the System Back-end (11) is provided with second gear (13), and the second tooth
Wheel (13), which is engaged with first gear (9) by card slot, to be fixedly connected.
2. the light path knot that light path multi-angle, multiposition adjust inside a kind of laser displacement sensor according to claim 1
Structure, it is characterised in that：The bearing of the laser firm banking (8) is bilateral elongated slot.
3. the light path knot that light path multi-angle, multiposition adjust inside a kind of laser displacement sensor according to claim 1
Structure, it is characterised in that：The front surface of the system front end (6) is provided with cylindrical protrusions.
4. the light path knot that light path multi-angle, multiposition adjust inside a kind of laser displacement sensor according to claim 1
Structure, it is characterised in that：The inside setting of the stationary gland (12) is fluted.
5. the light path knot that light path multi-angle, multiposition adjust inside a kind of laser displacement sensor according to claim 1
Structure, it is characterised in that：System Back-end (11) is rotatablely connected by first gear (9) and stationary gland (12) with system front end (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158774.0U CN207741703U (en) | 2018-01-30 | 2018-01-30 | The light channel structure that a kind of laser displacement sensor inside light path multi-angle, multiposition adjust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158774.0U CN207741703U (en) | 2018-01-30 | 2018-01-30 | The light channel structure that a kind of laser displacement sensor inside light path multi-angle, multiposition adjust |
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| CN207741703U true CN207741703U (en) | 2018-08-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444913A (en) * | 2018-12-28 | 2019-03-08 | 广州市合熠电子科技有限公司 | A kind of digital intelligent miniature laser displacement sensor and its distance measuring method |
| CN109520432A (en) * | 2018-12-28 | 2019-03-26 | 哈工大鞍山工业技术研究院有限公司 | A kind of laser displacement sensor of range-adjustable |
| CN112525231A (en) * | 2020-11-17 | 2021-03-19 | 苏州睿牛机器人技术有限公司 | Adjusting tool for focusing display adjustment of laser sensor |
| CN112797902A (en) * | 2021-01-29 | 2021-05-14 | 苏州天准科技股份有限公司 | Displacement measuring method, device and system with variable measuring range |
| CN113811652A (en) * | 2019-02-04 | 2021-12-17 | 博西迈科思公司 | Monitoring system and method for the wet end of a paper or board machine |
-
2018
- 2018-01-30 CN CN201820158774.0U patent/CN207741703U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444913A (en) * | 2018-12-28 | 2019-03-08 | 广州市合熠电子科技有限公司 | A kind of digital intelligent miniature laser displacement sensor and its distance measuring method |
| CN109520432A (en) * | 2018-12-28 | 2019-03-26 | 哈工大鞍山工业技术研究院有限公司 | A kind of laser displacement sensor of range-adjustable |
| CN109520432B (en) * | 2018-12-28 | 2024-01-02 | 哈工大鞍山工业技术研究院有限公司 | Laser displacement sensor with adjustable measuring range |
| CN113811652A (en) * | 2019-02-04 | 2021-12-17 | 博西迈科思公司 | Monitoring system and method for the wet end of a paper or board machine |
| CN112525231A (en) * | 2020-11-17 | 2021-03-19 | 苏州睿牛机器人技术有限公司 | Adjusting tool for focusing display adjustment of laser sensor |
| CN112797902A (en) * | 2021-01-29 | 2021-05-14 | 苏州天准科技股份有限公司 | Displacement measuring method, device and system with variable measuring range |
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