CN219608064U - Laser focusing sensor horizontal structure and optical device - Google Patents
Laser focusing sensor horizontal structure and optical device Download PDFInfo
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- CN219608064U CN219608064U CN202320256203.1U CN202320256203U CN219608064U CN 219608064 U CN219608064 U CN 219608064U CN 202320256203 U CN202320256203 U CN 202320256203U CN 219608064 U CN219608064 U CN 219608064U
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Abstract
The utility model discloses a horizontal structure of a laser focusing sensor and an optical device, comprising: a mounting box; the laser is arranged in the mounting box and emits a laser beam towards a preset direction; the shading column is arranged in the preset direction and is suitable for shading the laser beam to form a semicircular light spot; the lens assembly comprises a reflecting mirror group and a light splitting sheet, the reflecting mirror group is located between the shading column and the light splitting sheet, and when the laser beam irradiates to the reflecting mirror group through the shading column, the reflecting mirror group reflects the laser beam to the light splitting sheet so as to be output to the outside of the installation box through the light splitting sheet.
Description
Technical Field
The utility model relates to the technical field of laser sensors, in particular to a horizontal structure of a laser focusing sensor and an optical device.
Background
Laser sensor: the sensor for measuring by laser technology can convert the measured physical quantity (such as length, flow and speed) into optical signal, then uses photoelectric converter to convert the optical signal into electric signal, and uses the filtering, amplifying and rectifying of correspondent circuit to obtain output signal so as to calculate the measured quantity.
Under the current fast development environment, because the diversity of the product has very high requirements on the accuracy and the speed of detection, the industrial lens is matched with the laser focusing sensor to accurately and rapidly focus and detect the product in the actual scene test, but the existing laser focusing sensor cannot judge the defocusing direction when focusing the image, and the focusing accuracy is insufficient.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present utility model is to propose a horizontal structure of a laser focus sensor,
a mounting box;
the laser is arranged in the mounting box and emits a laser beam towards a preset direction;
the shading column is arranged in the preset direction and is suitable for shading the laser beam to form a semicircular light spot;
the lens assembly comprises a reflecting mirror group and a light splitting sheet, the reflecting mirror group is located between the shading column and the light splitting sheet, and when the laser beam irradiates to the reflecting mirror group through the shading column, the reflecting mirror group reflects the laser beam to the light splitting sheet so as to be output to the outside of the installation box through the light splitting sheet.
Preferably, the mirror group includes:
the first reflector is arranged in the preset direction of the laser beam of the semicircular light spot and reflects the laser beam of the semicircular light spot;
and the second reflector is arranged opposite to the first reflector and reflects the laser beams of the semicircular light spots reflected by the first reflector to the beam splitting sheet.
Preferably, the mounting box is provided with a through hole, and the through hole is positioned in the light emitting direction of the light splitting sheet.
Preferably, a mounting hole is further formed in the mounting box, and the mounting hole is located between the light splitting piece and the reflecting mirror group.
Preferably, a lens is arranged in the mounting hole, and the lens is suitable for transmitting the laser beam reflected by the reflector group towards the beam splitting sheet.
Preferably, the mounting box is externally provided with a reflected light beam which irradiates into the mounting box, and the reflected light beam is transmitted into the mounting box towards the light splitting sheet.
Preferably, the method further comprises:
a camera provided in the mounting box;
and the third reflector is arranged in the mounting box and positioned in the light path direction of the reflected light beam and is used for reflecting the reflected light beam to the camera.
Preferably, the third reflector has at least two light reflecting surfaces, which are perpendicular to each other.
Preferably, the device further comprises an adjusting member movably arranged in the mounting box, and the third mirror is arranged on the adjusting member, so that the third mirror can move along with the adjusting member.
Preferably, an optical device comprises a laser focus sensor horizontal structure as described.
The scheme of the utility model at least comprises the following beneficial effects: the laser emits laser beams in a preset direction, when the laser passes through the light column, the light shielding column shields the laser beams and obtains laser beams with semicircular light spots, the laser beams with the semicircular light spots are irradiated to the reflector group, the reflector group irradiates the laser beams with the semicircular light spots to the light splitting sheet, and the light splitting sheet reflects the laser beams with the semicircular light spots to the outside of the mounting box;
after the laser beams of the semicircular light spots are reflected outside the mounting box, the semicircular light spot beams irradiate on an external object to be measured, and reflected light beams of the external object to be measured are reflected inside the mounting box, so that the defocusing direction can be obtained.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a horizontal structure of a laser focus sensor according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a mounting box provided in an embodiment of the present utility model;
fig. 3 is a schematic view of an optical path structure provided in an embodiment of the present utility model.
Reference numerals illustrate:
1. mounting box 2, laser, 3, shading column, 4, lens subassembly, 401, reflector group, 402, beam splitter, 4011, first reflector, 4012, second reflector, 7, through-hole, 8, mounting hole, 9, lens, 10, camera, 11, third reflector, 12, regulating part.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The horizontal structure of the laser focus sensor and the optical device according to the embodiment of the utility model are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-2, an embodiment of the present utility model provides a horizontal structure of a laser focusing sensor, including: a mounting box 1; a laser 2, the laser 2 being provided in the mounting box 1 and emitting a laser beam toward a predetermined direction; a light shielding column 3, the light shielding column 3 is arranged in a preset direction and is suitable for shielding the laser beam to form a laser beam of a semicircle facula; the lens assembly 4, the lens assembly 4 includes a reflector group 401 and a beam splitter 402, the reflector group 401 is located between the light shielding column 3 and the beam splitter 402, when the laser beam irradiates the reflector group 401 via the light shielding column 3, the reflector group 401 reflects the laser beam onto the beam splitter 402 to be output to the outside of the mounting box 1 via the beam splitter 402; the laser 2 emits laser beams in a preset direction, when the laser passes through the light column, the shading column 3 shields the laser beams and obtains laser beams with semicircular light spots, the laser beams with semicircular light spots are irradiated to the reflector group 401, the reflector group 401 irradiates the laser beams with semicircular light spots to the light splitting sheet 402, and the light splitting sheet 402 reflects the laser beams with semicircular light spots to the outside of the mounting box 1; after the laser beams with semicircular light spots are reflected outside the mounting box 1, the semicircular light spot beams are irradiated to an external object to be measured, and then the reflected light beams of the external object to be measured are reflected inside the mounting box 1, so that the defocusing direction can be obtained.
Preferably, the mirror group 401 includes: a first reflecting mirror 4011 which is provided in a predetermined direction of the laser beam of the semicircular light spot and reflects the laser beam of the semicircular light spot; the second reflector 4012 is opposite to the first reflector 4011, reflects the laser beam of the semicircular light spot reflected by the first reflector 4011 to the beam splitter 402, and the first reflector 4011 and the second reflector 4012 are obliquely opposite to each other and have the same angle in oblique arrangement, when the laser beam of the semicircular light spot irradiates the first reflector 4011, the first reflector 4011 can reflect the laser beam of the semicircular light spot to the second reflector 4012, and the second reflector 4012 reflects the laser beam of the semicircular light spot to the outside of the installation box 1.
Preferably, the mounting box 1 is provided with a through hole 7, the through hole 7 is located in the light emitting direction of the beam splitter 402, the through hole 7 and the beam splitter 402 are arranged at the same vertical position, when the light beam with a semicircular light spot is reflected to the beam splitter 402, the beam splitter 402 reflects the light beam with the semicircular light spot to the outside of the mounting box 1 through the through hole 7, when the reflected light beam is reflected to the inside of the mounting box 1, the reflected light beam irradiates the beam splitter 402 through the through hole 7, and the reflected light beam is reflected to the inside of the mounting box 1 by the beam splitter 402.
Preferably, the mounting box 1 is further provided with a mounting hole 8, the mounting hole 8 is located between the beam splitter 402 and the reflecting mirror group 401, a lens 9 is arranged in the mounting hole 8, the lens 9 is suitable for transmitting the laser beam reflected by the reflecting mirror group 401 towards the beam splitter 402, when the beam of the semicircular light spot is reflected to the beam splitter 402, the lens 9 is required to collect the beam of the semicircular light spot through the lens 9 arranged on one side of the beam splitter 402, so that the beam of the semicircular light spot is not scattered and reflected to the beam splitter 402.
Preferably, the mounting box 1 has a reflected light beam outside to be irradiated into the mounting box 1, the reflected light beam is transmitted into the mounting box 1 toward the beam splitter 402, and after the laser beam is transmitted from the beam splitter 402 to an external measuring object, the measuring object emits the reflected light beam and irradiates the reflected light beam into the mounting box 1 through the beam splitter 402.
Preferably, the method further comprises: a camera 10 provided in the mounting case 1; a third reflector 11, the third reflector 11 being provided in the mounting case 1 in an optical path direction of the reflected light beam for reflecting the reflected light beam to the camera 10; the third reflector 11 has at least two reflecting surfaces, and the at least two reflecting surfaces are perpendicular to each other; when light of the vertical image sensor is received, the light is reflected to the light splitting sheet 402 through the through hole 7, the light splitting sheet 402 reflects the light of the vertical image sensor to the third reflector 11 through the lens 9, the third reflector 11 reflects the light of the vertical image sensor to the camera 10, and the camera 10 can start calculation and judgment.
Preferably, the camera also comprises an adjusting piece 12, the adjusting piece 12 is movably arranged in the mounting box 1, and the third reflector 11 is arranged on the adjusting piece 12, so that the third reflector 11 can move along with the adjusting piece 12, when the distance between the third reflector 11 and the camera 10 needs to be adjusted, the adjusting piece 12 can be slid to adjust the third reflector 11, and the adjusting piece 12 can flexibly adjust the distance between the third party light scene and the camera 10 during mounting, so that the camera 10 receives the light of the image sensor accurately.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A laser focus sensor horizontal structure, comprising:
a mounting box;
the laser is arranged in the mounting box and emits a laser beam towards a preset direction;
the shading column is arranged in the preset direction and is suitable for shading the laser beam to form a semicircular light spot;
the lens assembly comprises a reflecting mirror group and a light splitting sheet, the reflecting mirror group is located between the shading column and the light splitting sheet, and when the laser beam irradiates to the reflecting mirror group through the shading column, the reflecting mirror group reflects the laser beam to the light splitting sheet so as to be output to the outside of the installation box through the light splitting sheet.
2. The laser focus sensor horizontal structure of claim 1, wherein the mirror group comprises:
the first reflector is arranged in the preset direction of the laser beam of the semicircular light spot and reflects the laser beam of the semicircular light spot;
and the second reflector is arranged opposite to the first reflector and reflects the laser beams of the semicircular light spots reflected by the first reflector to the beam splitting sheet.
3. The horizontal structure of the laser focusing sensor according to claim 2, wherein the mounting box is provided with a through hole, and the through hole is positioned in the light emitting direction of the light splitting sheet.
4. The laser focus sensor horizontal structure of claim 3, wherein a mounting hole is further provided in the mounting box, and the mounting hole is located between the beam splitter and the mirror group.
5. The laser focus sensor horizontal structure as described in claim 4, wherein a lens is provided in the mounting hole, and the lens is adapted to transmit the laser beam reflected by the mirror group toward the beam splitter.
6. The laser focus sensor horizontal structure of claim 5, wherein the mounting box has a reflected light beam outside the mounting box, the reflected light beam being transmitted into the mounting box toward the beam splitter.
7. The laser focus sensor horizontal structure of claim 6, further comprising:
a camera provided in the mounting box;
and the third reflector is arranged in the mounting box and positioned in the light path direction of the reflected light beam and is used for reflecting the reflected light beam to the camera.
8. The laser focus sensor horizontal structure of claim 7, wherein the third reflector has at least two reflective surfaces, the at least two reflective surfaces being perpendicular to each other.
9. The laser focus sensor horizontal structure of claim 8, further comprising an adjustment member movably disposed within the mounting box, and the third mirror is disposed on the adjustment member such that the third mirror is movable with the adjustment member.
10. An optical device comprising a laser focus sensor horizontal structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320256203.1U CN219608064U (en) | 2023-02-20 | 2023-02-20 | Laser focusing sensor horizontal structure and optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320256203.1U CN219608064U (en) | 2023-02-20 | 2023-02-20 | Laser focusing sensor horizontal structure and optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608064U true CN219608064U (en) | 2023-08-29 |
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ID=87743538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320256203.1U Active CN219608064U (en) | 2023-02-20 | 2023-02-20 | Laser focusing sensor horizontal structure and optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608064U (en) |
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2023
- 2023-02-20 CN CN202320256203.1U patent/CN219608064U/en active Active
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