Calibration block for laser contourgraph
By designing a circular calibration plate and registration block, combined with calibration slots and weight-reducing through holes, the problem of increased weight in existing calibration blocks is solved, resulting in a lightweight and easily movable laser profilometer calibration block.
Patent Information
- Application Number
- CN202423320629.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing laser profilometer calibration blocks, due to their rectangular structure and pyramidal protrusions, have increased weight, affecting ease of movement.
The design adopts a circular calibration plate and registration block, combined with multiple calibration slots and weight-reducing through holes, to replace the traditional pyramid bump structure. By setting calibration slots and weight-reducing slots on the circular calibration plate and calibration ring, a lightweight design is achieved.
While ensuring calibration results, the weight of the calibration block was significantly reduced, improving portability.
Smart Images
Figure CN223610805U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of calibration block for laser profiler, belong to scanning imaging technical field. BACKGROUND
[0002] Laser profiler, for example laser 3D camera, obtains the three-dimensional profile of object surface at this position by throwing laser to object surface, and further obtains the complete profile of object surface by being fixed on slide or mechanical arm etc. Mobile device on laser 3D camera. In actual application scene, multiple profilers are used for calibration, so calibration block is needed to convert the data position relationship between multiple profilers.
[0003] The existing calibration block is mostly rectangular structure, which realizes calibration by increasing convex like pyramid block, but the above-mentioned convex increases the weight of calibration block and affects movement, so a calibration block that guarantees calibration effect and is easy to move is needed. UTILITY MODEL CONTENT
[0004] Therefore, the purpose of the utility model is to provide a kind of calibration block for laser profiler, to reduce weight while calibration effect.
[0005] In order to achieve the above purpose, the utility model provides a kind of calibration block for laser profiler, comprising:
[0006] Circular calibration plate, the axis of the calibration plate is provided with circular registration calibration block, the registration calibration block is coaxial with the circular calibration plate, and the registration calibration block is provided with at least two first calibration grooves at equal angles with the axis as center;
[0007] Calibration ring, the circumferential edge of the calibration ring is fixedly connected with the edge of one side of the circular calibration plate.
[0008] Further, the registration calibration block protrudes from both sides of the circular calibration plate.
[0009] Further, the number of the first calibration groove is 3, and the included angle between the first calibration grooves is 120 °.
[0010] Further, the second calibration groove and the first calibration groove are on the same radius pointing to the axis.
[0011] Further, the circular calibration plate is provided with a plurality of weight-reducing through holes.
[0012] Further, the calibration ring is provided with a first weight-reducing groove in the circumferential direction.
[0013] Further, the inner side of the calibration ring is polygonal inner edge.
[0014] Further, the polygonal inner edge is provided with a second weight-reducing groove.
[0015] Further, the circular calibration plate and the calibration ring are integrally formed.
[0016] Further, the circular calibration plate and the calibration ring are made of aluminum.
[0017] By means of the above technical scheme, the calibration block for the laser profilometer provided by the embodiment of the utility model has the following advantages: a registration calibration block is arranged at the shaft center of the circular calibration plate, a plurality of first calibration grooves are arranged at the registration calibration block, and a second calibration groove is arranged at the circular calibration plate, so that the number of the first calibration grooves is the same as that of the second calibration groove; since the calibration grooves are used to replace the original plurality of pyramid-shaped protrusions, the weight of the calibration block is effectively reduced while the calibration effect is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 FIG. 2 is a front view of the calibration block for the laser profilometer provided by the utility model;
[0019] Fig. 2 FIG. 3 is a side sectional view of the calibration block for the laser profilometer provided by the utility model;
[0020] Fig. 3 FIG. 4 is a perspective view of the calibration block for the laser profilometer provided by the utility model.
[0021] In the figure: 1, circular calibration plate; 2, registration calibration block; 3, first calibration groove; 4, second calibration groove; 5, calibration ring; 6, weight-reducing through hole; 7, first weight-reducing groove; 8, second weight-reducing groove. DETAILED DESCRIPTION
[0022] The utility model will be further described in detail below by means of the drawings and the specific embodiments. The existing calibration block mostly adopts the structure of a rectangle with a plurality of pyramid-shaped protrusions, so that the weight of the calibration block is increased. In the actual use process, the calibration block or the laser profilometer needs to be moved, so that a calibration block which can ensure the calibration effect and is convenient to move is needed.
[0023] EMBODIMENT
[0024] As shown in FIG. 1, a calibration block for a laser profilometer comprises: Figs. 1 to 3
[0025] The circular calibration plate 1 is provided with a circular registration calibration block 2 at the center of the circular calibration plate 1, the registration calibration block 2 is coaxial with the circular calibration plate 1, as an optional embodiment, the registration calibration block 2 is protruded from two sides of the circular calibration plate 1.
[0026] In order to achieve the purpose of weight loss, the circular calibration plate 1 is provided with a plurality of weight loss through holes 6.
[0027] The calibration ring 5 is fixedly connected with the edge of one side of the circular calibration plate 1, and the calibration ring 5 is provided with a first weight loss groove 7.
[0028] In the actual processing process, the circular calibration plate 1 and the calibration ring 5 are integrally formed, and the material is aluminum, so that the weight loss effect can be further achieved.
[0029] The calibration block for the laser profiler provided by the embodiment of the utility model, by adopting the structure that a registration calibration block is arranged at the center of the circular calibration plate, and a plurality of first calibration grooves are arranged at the registration calibration block, and a second calibration groove is arranged at the circular calibration plate, the number of the first calibration grooves is same as that of the second calibration groove, and the weight of the calibration block is effectively reduced while the calibration effect is ensured.
[0030] Obviously, the above embodiments are only examples for clearly illustrating, and not limit the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived from the embodiments are still within the protection scope of the utility model.
Claims
1. A calibration block for a laser profiler, characterized in that, Include: Circular calibration plate (1), the axis of the calibration plate is provided with a circular registration calibration block (2), the registration calibration block (2) is coaxial with the circular calibration plate (1), the registration calibration block (2) is provided with at least two first calibration slots (3) with the axis as the center of circle and equiangular;The edge of the circular calibration plate (1) is provided with a second calibration slot (4) corresponding to the first calibration slot (3); The calibration ring (5) is fixedly connected with the edge of one side of the circular calibration plate (1).
2. The calibration block for a laser profiler as defined in claim 1, wherein: The registration calibration block (2) protrudes from both sides of the circular calibration plate (1).
3. The calibration block for a laser profiler as defined in claim 1, wherein: The number of the first calibration slot (3) is 3, and the included angle between the first calibration slot (3) is 120°.
4. The calibration block for a laser profilometer according to claim 1 or 3, wherein: The second calibration slot (4) is on the same radius pointing to the axis as the first calibration slot (3).
5. The calibration block for a laser profiler as defined in claim 1, wherein: The circular calibration plate (1) is provided with a plurality of lightening holes (6).
6. The calibration block for a laser profiler as defined in claim 1 wherein: The circumference of the calibration ring (5) is provided with a first lightening groove (7).
7. The calibration block for a laser profiler as defined in claim 1, wherein, The inner side of the calibration ring (5) is a polygonal inner edge.
8. The calibration block for a laser profiler according to claim 7, wherein: The polygonal inner edge is provided with a second lightening groove (8).
9. The calibration block for a laser profilometer according to claim 1, wherein: The circular calibration plate (1) and the calibration ring (5) are integrally formed.
10. The calibration block for a laser profiler according to claim 9, wherein: The material of the circular calibration plate (1) and the calibration ring (5) is aluminum.