CN207881654U - A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight - Google Patents
A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight Download PDFInfo
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- CN207881654U CN207881654U CN201721887606.7U CN201721887606U CN207881654U CN 207881654 U CN207881654 U CN 207881654U CN 201721887606 U CN201721887606 U CN 201721887606U CN 207881654 U CN207881654 U CN 207881654U
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- amici prism
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Abstract
The utility model provides a kind of light channel structure of the photoelectric auto-collimator equipped with laser sight, including autocollimator light pipe light source (1), condenser (2), cross division plate (3), first Amici prism (4), second Amici prism (5), collimation lens (6), receiver (8) further includes laser aiming light source (9) and reflective prism (10), visible laser is increased on original photoelectric auto-collimator aims at light source, pass through the effect of light path, it is sent out to measured object and is parallel to the light of light pipe and is aimed at, adjust measured object, if after light reflection, it falls in the ideal range, it is then to aim to complete.It is measured again after aiming, is then not in the phenomenon that hot spot deviates autocollimator visual field and cannot measure.
Description
Technical field
The utility model is related to the light channel structure technical fields of photoelectric auto-collimator, more particularly to a kind of to be equipped with laser aiming
The light channel structure of the photoelectric auto-collimator of device.
Background technology
Autocollimator be it is a kind of be widely used in high-precision aim at, the fine measuring instrument of tiny angle measurement.At angle
Degree measurements, the measurement of planeness of tablet, the straight line degree measurement of guide rail, shafting angle shake measurement etc. fields be widely used.Autocollimatic
The principle of straight instrument is the directional light sent out by light pipe, the plane mirror reflection through measurand, reflected light when ideal non-angular deviation
Along parallel light path backtracking, imaging angle is zero on CCD, and when plane mirror has low-angle deviation, reflected light is imaged on CCD
Position and ideal position there are pixel movement, converted differential seat angle according to picture dot size, you can obtain high-precision minute angle
It measures.By auxiliary optical component, it can also extend and measure flatness, straightness, verticality etc..
If reflecting surface (mirror) has autocollimator optical axis small deflection, the line of sight returned from reflective surface will be caused
(cross hairs or hot spot) deviates autocollimator visual field and cannot measure.Its field range of the higher autocollimator of precision is more limited,
There is a problem of looking for as difficulty.
If the measured object of placement first before test, is carried out laser aiming, measures, be then avoided that again after adjustment
Above-mentioned scene occurs.
Invention content
In order to solve the problems, such as described in background technology, the utility model provides a kind of photoelectric auto equipped with laser sight
The light channel structure of straight instrument increases visible laser on original photoelectric auto-collimator and aims at light source, by the effect of light path, to
Measured object, which is sent out, to be parallel to the luminous ray of light pipe and is aimed at, and is measured again after aiming, is then not in that hot spot is offset from
Collimator visual field and the phenomenon that cannot measure.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight, the light path knot of the photoelectric auto-collimator
Structure includes autocollimator light pipe light source (1), condenser (2), cross division plate (3), the first Amici prism (4), the second light splitting rib
Mirror (5), collimation lens (6), receiver (8)；The light that auto-collimation collimator light source (1) is sent out penetrates condenser (2), ten successively
Stroke scoreboard (3) is reflected by the first Amici prism (4) reflection and the second Amici prism (5), after last collimated lens (6)
It is emitted a branch of directional light, by measured object (7) reflected light successively via collimation lens (6) and the second Amici prism (5), by
Receiver (8) receives.
The light channel structure of the photoelectric auto-collimator further includes laser aiming light source (9) and reflective prism (10), laser
It aims at light source (9) to be arranged in parallel in above autocollimator light pipe light source (1), reflective prism (10) is set to laser aiming light source
(9) front end, and reflective prism (10) is also arranged in parallel above the first Amici prism (4).
Before formal measure, laser aiming is first carried out, light path when aiming is：The light that laser aiming light source (9) is sent out according to
It is secondary by reflective prism (10) reflection, through the first Amici prism (4), the reflection through the second Amici prism (5) is finally passed through
The light that collimation lens (6) is formed in parallel with autocollimator light pipe projects.
The receiver (8) is CCD industrial cameras.
First Amici prism (4) and the second Amici prism (5) is half-reflection and half-transmission type Amici prism.
The laser aiming light source (9) is visible laser source.
Compared with prior art, the utility model has the beneficial effects that：
A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight of the utility model, original photoelectricity from
Laser aiming light source is increased on collimator, by the effect of light path, is sent out to measured object and is parallel to the light of light pipe and is taken aim at
Standard adjusts measured object, adjusts measured object, if after visible reflectance, falling in the ideal range, is then completed to aim at.It is then to aim at
It completes.It is measured again after aiming, is then not in the phenomenon that hot spot deviates autocollimator visual field and cannot measure.
Description of the drawings
Fig. 1 is a kind of light channel structure figure of the photoelectric auto-collimator of not laser sight；
Fig. 2 is a kind of light channel structure figure of photoelectric auto-collimator equipped with laser sight of the utility model；
Light path principle knot when Fig. 3 is a kind of aiming of photoelectric auto-collimator equipped with laser sight of the utility model
Composition；
Light path principle knot when Fig. 4 is a kind of test of photoelectric auto-collimator equipped with laser sight of the utility model
Composition.
Wherein：1- autocollimator light pipe light source 2- condenser 3- cross division plate the first Amici prisms of 4- 5- second divides
The reflective prisms of light prism 6- collimation lens 7- measured object 8- industrial camera 9- laser aiming light source 10-.
Specific implementation mode
Specific implementation mode provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, being a kind of light channel structure figure of the photoelectric auto-collimator of not laser sight, Fig. 2 is this practicality
A kind of light channel structure figure of novel photoelectric auto-collimator equipped with laser sight.
A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight, the light path knot of the photoelectric auto-collimator
Structure includes autocollimator light pipe light source (1), condenser (2), cross division plate (3), the first Amici prism (4), the second light splitting rib
Mirror (5), collimation lens (6), receiver (8)；The light that auto-collimation collimator light source (1) is sent out penetrates condenser (2), ten successively
Stroke scoreboard (3) is reflected by the first Amici prism (4) reflection and the second Amici prism (5), after last collimated lens (6)
It is emitted a branch of directional light, by measured object (7) reflected light successively via collimation lens (6) and the second Amici prism (5), by
Receiver (8) receives.
As shown in Fig. 2, the light channel structure of the photoelectric auto-collimator further includes laser aiming light source (9) and reflective prism
(10), laser aiming light source (9) is arranged in parallel in above autocollimator light pipe light source (1), and reflective prism (10) is set to laser
Light source (9) front end is aimed at, and reflective prism (10) is also arranged in parallel above the first Amici prism (4).
The receiver (8) is CCD industrial cameras.
First Amici prism (4) and the second Amici prism (5) is half-reflection and half-transmission type Amici prism.
The laser aiming light source (9) is visible laser source.
As shown in figure 3, before formal measure, first aimed at, the light that laser aiming light source (9) is sent out passes through reflective successively
The reflection of prism (10), through the first Amici prism (4), the reflection through the second Amici prism (5), finally pass through collimation lens
(6) light for being formed in parallel with autocollimator light pipe projects.If luminous ray is fallen after measured object (7) reflection in ideal range
It is interior, then it is completed to aim at.Measured again after aiming, then be not in hot spot deviate autocollimator visual field and it is immeasurable existing
As.
As shown in figure 4, when formal measurement, the test philosophy of photoelectric auto-collimator is as follows：
The light that light source (1) in auto-collimation collimator is sent out is by condenser (2), cross division plate (3), Amici prism
(4) and (5) and collimation lens (6) are emitted a branch of directional light afterwards, and directional light is after measured object (7) reflection, in collimation lens (6)
Focal plane, that is, CCD industrial cameras (8) position imaging, if measured object (7) is vertical with optical axis, along original after light reflection
Road returns, and inconocenter is fallen at ideal standard point；If plane measured object (7) and optical axis out of plumb, there are bias angle thetas, then through tested
There are 2 θ of drift angle with former light for light after object (7) reflection, misaligned with ideal standard point after imaging, exist in image planes
One displacement △ can calculate reflecting surface according to this displacement △ and light path geometrical relationship calculation formula (1) and be formed with optical axis
Amount angular displacement, wherein f is the focal length of collimation lens (6).
Tan θ=Δ/2f (1)
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (4)
1. a kind of light channel structure of the photoelectric auto-collimator equipped with laser sight, the light channel structure of the photoelectric auto-collimator
Including autocollimator light pipe light source (1), condenser (2), cross division plate (3), the first Amici prism (4), the second Amici prism
(5), collimation lens (6), receiver (8)；The light that auto-collimation collimator light source (1) is sent out penetrates condenser (2), cross successively
Dividing plate (3) is reflected by the first Amici prism (4) reflection and the second Amici prism (5), is gone out after last collimated lens (6)
A branch of directional light is penetrated, by measured object (7) reflected light successively via collimation lens (6) and the second Amici prism (5), by connecing
Device (8) is received to receive；
It is characterized in that, the light channel structure of the photoelectric auto-collimator further includes laser aiming light source (9) and reflective prism
(10), laser aiming light source (9) is arranged in parallel in above autocollimator light pipe light source (1), and reflective prism (10) is set to laser
Light source (9) front end is aimed at, and reflective prism (10) is also arranged in parallel above the first Amici prism (4)；
Light path when aiming is：The light that laser aiming light source (9) is sent out passes through the reflection of reflective prism (10), through first successively
Amici prism (4), the reflection through the second Amici prism (5) are finally formed in parallel with autocollimator light pipe by collimation lens (6)
Light project.
2. a kind of light channel structure of photoelectric auto-collimator equipped with laser sight according to claim 1, feature exist
In the receiver (8) is CCD industrial cameras.
3. a kind of light channel structure of photoelectric auto-collimator equipped with laser sight according to claim 1, feature exist
In first Amici prism (4) and the second Amici prism (5) are half-reflection and half-transmission type Amici prism.
4. a kind of light channel structure of photoelectric auto-collimator equipped with laser sight according to claim 1, feature exist
In the laser aiming light source (9) is visible laser source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887606.7U CN207881654U (en) | 2017-12-28 | 2017-12-28 | A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887606.7U CN207881654U (en) | 2017-12-28 | 2017-12-28 | A kind of light channel structure of the photoelectric auto-collimator equipped with laser sight |
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| CN207881654U true CN207881654U (en) | 2018-09-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168468A (en) * | 2017-12-28 | 2018-06-15 | 哈工大鞍山工业技术研究院有限公司 | The Focusable photoelectric auto-collimator and method of sight of laser sight are set in a kind of |
-
2017
- 2017-12-28 CN CN201721887606.7U patent/CN207881654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168468A (en) * | 2017-12-28 | 2018-06-15 | 哈工大鞍山工业技术研究院有限公司 | The Focusable photoelectric auto-collimator and method of sight of laser sight are set in a kind of |
| CN108168468B (en) * | 2017-12-28 | 2024-05-14 | 哈工大鞍山工业技术研究院有限公司 | Focusing photoelectric auto-collimator with laser sighting device inside and sighting method |
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