CN212718767U - Calibration equipment for vehicle-mounted camera - Google Patents
Calibration equipment for vehicle-mounted camera Download PDFInfo
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- CN212718767U CN212718767U CN202021053390.6U CN202021053390U CN212718767U CN 212718767 U CN212718767 U CN 212718767U CN 202021053390 U CN202021053390 U CN 202021053390U CN 212718767 U CN212718767 U CN 212718767U
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Abstract
The utility model relates to the technical field of automobiles, in particular to a calibration device of a vehicle-mounted camera, which comprises a calibration plate, a telescopic bracket, an adjusting component and a bracket; the adjusting assembly comprises a telescopic rod and at least one first connecting piece; one end of the telescopic rod is connected with the telescopic bracket, and the other end of the telescopic rod is connected with the bracket through a first connecting piece; the bracket comprises a first cross beam and a second cross beam, wherein sliding grooves are formed in the first cross beam and the second cross beam, a second connecting piece is arranged in each sliding groove, and the second connecting piece is connected with the sliding grooves in a sliding mode; a horizontal calibration instrument is arranged on the first cross beam, and distance measuring pieces are arranged at two ends of the second cross beam; the calibration plate is connected with the second connecting piece so that the calibration plate can slide along the length direction of the sliding groove; the utility model discloses a set up the structure of being convenient for equipment and dismantlement, make calibration equipment quality light and portable to through setting up height-adjustable's adjusting part and the support of adjusting along the axis direction of first crossbeam, make calibration equipment use various scenes.
Description
Technical Field
The utility model relates to the field of automotive technology, in particular to calibration equipment of on-vehicle camera.
Background
With the development and popularization of ADAS (advanced driver assistance system) products and computer vision related technologies, the use of vehicle-mounted cameras is also becoming more common. The front-view camera is arranged behind the front windshield glass, and can acquire various traffic target information such as lane lines, following vehicles, meeting vehicles, pedestrians in front, traffic signs and the like only through monocular image processing. Through the acquired traffic target information, the forward-looking camera can realize various active safety and comfort functions, so that the vehicle is driven more safely and comfortably.
Currently, more and more automobiles are marketed by automobile manufacturers that are equipped with forward looking cameras. In order to ensure the performance and quality of the automotive electronic product, not only the automotive electronic supplier needs to perform calibration test on the automotive front-view camera, but also the automotive manufacturer needs to evaluate the technical index of the automotive front-view camera.
The common calibration equipment of the prior forward-looking camera product has the characteristics of high structural complexity, heavy product weight, high cost and the like. Generally, the equipment is difficult to carry after being assembled due to heavy weight and large occupied space, and the calibration equipment is heavy for customers who need to perform calibration frequently at different places.
Based on the defects existing in the prior art, a calibration device of a vehicle-mounted camera is urgently needed to be researched to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a calibration equipment of vehicle-mounted camera, the utility model discloses a set up the structure of being convenient for equipment and dismantlement, make calibration equipment quality light and more portable, simultaneously through setting up height-adjustable's adjusting part and the support of adjusting along the axis direction of first crossbeam, make calibration equipment can use various scenes.
The utility model discloses a calibration device of a vehicle-mounted camera, which comprises a calibration plate, a telescopic bracket, an adjusting component and a bracket;
the adjusting assembly comprises a telescopic rod and at least one first connecting piece; one end of the telescopic rod is connected with the telescopic support, and the other end of the telescopic rod is connected with the support through the first connecting piece;
the bracket comprises a first cross beam and a second cross beam, sliding grooves are formed in the first cross beam and the second cross beam, a second connecting piece is arranged in each sliding groove, and the second connecting piece is connected with the sliding grooves in a sliding mode; a horizontal calibration instrument is arranged on the first cross beam, and distance measuring pieces are arranged at two ends of the second cross beam;
the calibration plate is connected with the second connecting piece so that the calibration plate can slide along the length direction of the sliding groove.
Furthermore, the support further comprises a first longitudinal beam and a second longitudinal beam, the first cross beam, the second cross beam, the first longitudinal beam and the second longitudinal beam are connected to form a square frame, and the first cross beam and the second cross beam are arranged in parallel.
Further, the telescopic link includes first festival pole, second festival pole and third festival pole, first festival pole second festival pole with the third festival pole connects gradually, just first festival pole second festival pole with the diameter of third festival pole reduces gradually.
Furthermore, the telescopic rod further comprises a first limiting piece and a second limiting piece;
the first section rod is connected with the second section rod through the first limiting piece;
the second section rod is connected with the third section rod through the second limiting piece.
Furthermore, the first connecting piece is arranged on each of the first section rod, the second section rod and the third section rod;
the first connecting piece comprises a first connecting part and a second connecting part, one side of the first connecting part is connected with the bracket, and the other side of the first connecting part is connected with the second connecting part;
the first connecting part and the second connecting part are connected to form a round hole;
the telescopic rod is arranged in the round hole, the diameter of the round hole is matched with that of the telescopic rod, and an anti-skid piece is arranged on the inner wall of the round hole.
Furthermore, a plurality of through holes are formed in the calibration plate, third connecting pieces are arranged in the through holes, and the calibration plate is connected with the second connecting pieces through the third connecting pieces.
Further, the telescopic bracket is a tripod and comprises at least three support legs, the three support legs are connected with one another at one ends and are provided with bases at the other ends, and adjusting pieces used for adjusting the heights of the bases are arranged on the bases.
Furthermore, the telescopic rod is provided with scale marks for displaying the telescopic length of the telescopic rod.
Furthermore, a fourth connecting piece is arranged on the base and fixedly connected with the base;
the support leg is connected with the base through the fourth connecting piece.
Implement the embodiment of the utility model provides a, following beneficial effect has:
the utility model discloses a set up the structure of being convenient for equipment and dismantlement, make calibration equipment quality light with more portable, simultaneously through setting up height-adjustable's adjusting part and the support of adjusting along the axis direction of first crossbeam, make calibration equipment can use various scenes.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a structural diagram of a calibration device of a vehicle-mounted camera according to the embodiment;
fig. 2 is a structural diagram of a calibration device of the vehicle-mounted camera according to the embodiment;
fig. 3 is a partially enlarged view of a joint between the first cross member and the first longitudinal member according to the present embodiment;
fig. 4 is a structural diagram of the first connecting member according to the embodiment.
Wherein the reference numerals in the figures correspond to:
1-calibrating a plate; 2-a telescopic bracket; 3-a regulating component; 4-a scaffold; 21-a leg; 22-a base; 23-an adjustment member; 24-a fourth connection; 31-a telescopic rod; 32-a first connector; 33-a chute; 34-a second connector; 41-a first beam; 42-a second beam; 43-distance measuring member; 44-horizontal calibration instrument; 311-first section bar; 312-a second section bar; 313-a third section bar; 314-a first stop; 315-second limiting member; 321-a first connection; 322-second connection portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The prior art has the following defects: the common calibration equipment of the existing vehicle-mounted camera product has the characteristics of high structural complexity, heavy product weight, high cost and the like. Generally, the equipment is difficult to carry after being assembled due to heavy weight and large occupied space, and the calibration equipment is heavy for customers who need to perform calibration frequently at different places.
To prior art's defect, the utility model discloses set up the structure of being convenient for equipment and dismantlement, make calibration equipment quality light and more portable, simultaneously through setting up height-adjustable's adjusting part and the support of adjusting along the axis direction of first crossbeam, make calibration equipment can use various scenes.
Example 1
Referring to fig. 1 to 4, the embodiment provides a calibration device for a vehicle-mounted camera, which includes a calibration plate 1, a telescopic bracket 2, an adjusting assembly 3 and a bracket 4;
the adjusting assembly 3 comprises a telescopic rod 31 and at least one first connecting piece 32; one end of the telescopic rod 31 is connected with the telescopic bracket 2, and the other end of the telescopic rod 31 is connected with the bracket 4 through the first connecting piece 32;
the support 4 comprises a first cross beam 41 and a second cross beam 42, sliding grooves 33 are formed in the first cross beam 41 and the second cross beam 42, a second connecting piece 34 is arranged in each sliding groove 33, and each second connecting piece 34 is connected with the corresponding sliding groove 33 in a sliding mode; a horizontal calibration instrument 44 is arranged on the first cross beam 41, and distance measuring pieces 43 are arranged at two ends of the second cross beam 42;
the calibration plate 1 is connected to the second connecting member 34 so that the calibration plate 1 can slide along the length direction of the sliding groove 33.
It should be noted that: the calibration plate 1, the telescopic support 2, the adjusting component 3 and the support 4 are detachably arranged, so that the calibration equipment is light in weight and more portable, and meanwhile, the adjusting component 3 with adjustable height and the support 4 adjusted along the axial direction of the first cross beam 41 are arranged, so that the calibration equipment can be applied to various scenes.
In this embodiment, the number of the second connecting pieces 34 may be multiple, that is, multiple second connecting pieces 34 are disposed in the sliding groove 33 of the first cross beam 41, and multiple second connecting pieces 34 are disposed in the sliding groove 33 of the second cross beam 42; the second connecting members 34 are arranged in line along the axial direction of the first cross member 41, and the second connecting members 34 are not connected to each other.
Specifically, the second connecting member 34 is a sliding block adapted to the sliding groove 33, and the sliding block is provided with a threaded hole for connecting with the calibration plate 1, and a bolt can be arranged in the threaded hole, so that the bolt sequentially passes through the through hole of the calibration plate 1 and the threaded hole, and the calibration plate 1 is fixed on the bracket 4.
Specifically, the first cross beam 41 and the second cross beam 42 are both provided with a limiting member, and the limiting member is used for limiting the position of the slider, so as to prevent the slider from coming out of the sliding slot 33; the limiting member is detachably connected with the first cross beam 41, and the limiting member is detachably connected with the second cross beam 42.
Preferably, the bracket 4 further includes a first longitudinal beam and a second longitudinal beam, the first cross beam 41, the second cross beam 42, the first longitudinal beam and the second longitudinal beam are connected to form a square frame, and the first cross beam 41 and the second cross beam 42 are arranged in parallel.
Specifically, the first cross beam 41, the first longitudinal beam, the second cross beam 42 and the second longitudinal beam are sequentially connected end to form a rectangular frame. The first beam 41 and the second beam 42 are arranged in parallel, so that the calibration plate can still move along the length direction of the first beam 41 after being connected with the first beam 41 and the second beam 42, and the position of the calibration plate 1 can be adjusted.
Preferably, the telescopic rod 31 comprises a first rod 311, a second rod 312 and a third rod 313, the first rod 311, the second rod 312 and the third rod 313 are connected in sequence, and the diameters of the first rod 311, the second rod 312 and the third rod 313 are gradually reduced.
Specifically, more than three joint rods may be arranged on the telescopic rod 31 according to actual requirements.
Preferably, the telescopic rod 31 further comprises a first limiting member 314 and a second limiting member 315;
the first link 311 is connected to the second link 312 through the first stopper 314;
the second link 312 is connected to the third link 313 through the second stopper 315.
Specifically, the first limiting member 314 is used for connecting the first link 311 and the second link 312, and simultaneously adjusting the length of the second link 312 extending from the first link 311; the second limiting member 315 is used for connecting the third rod 313 and the second rod 312, and is also used for adjusting the length of the third rod 313 extending from the second rod 312; and the first section bar 311, the second section bar 312 and the third section bar 313 are all hollow tubes.
Preferably, one first connecting piece 32 is arranged on each of the first section bar 311, the second section bar 312 and the third section bar 313;
the first connecting member 32 includes a first connecting portion 321 and a second connecting portion 322, one side of the first connecting portion 321 is connected to the bracket 4, and the other side of the first connecting portion 321 is connected to the second connecting portion 322;
the first connecting portion 321 and the second connecting portion 322 form a circular hole after being connected;
the telescopic rod 31 is arranged in the round hole, the diameter of the round hole is matched with that of the telescopic rod 31, and an anti-skid piece is arranged on the inner wall of the round hole.
Specifically, one side of the first connecting portion 321 is detachably connected to the bracket 4 by a bolt, and the other side of the first connecting portion 321 is connected to the second connecting portion 322 by a bolt.
Specifically, the anti-slip piece is an anti-slip gasket, and the anti-slip gasket can be adhered to the inner wall of the circular hole.
Specifically, the first connecting member 32 provided on the first link 311 forms a circular hole having a first diameter; the diameter of the circular hole formed by the first connecting piece 32 arranged on the second rod 312 is a second diameter; the diameter of the circular hole formed by the first connecting piece 32 arranged on the third joint rod 313 is a third diameter; the first diameter is greater than the second diameter, and the second diameter is greater than the third diameter.
Specifically, the anti-slip gasket is arranged between the first rod 311 and one of the first connecting pieces 32; the anti-slip gasket is arranged between the second rod 312 and one first connecting piece 32; the anti-slip gasket is arranged between the third bar 313 and one first cross beam 32.
Specifically, the number of the joints of the telescopic rod 31 corresponds to the number of the first connecting pieces 32, and the number of the first connecting pieces 2 corresponds to the number of the anti-skid pads.
Specifically, each section of the telescopic rod 31 is provided with the first connecting piece 32 for the following purposes: the calibration equipment of the vehicle-mounted camera can be suitable for different heights, and the calibration equipment of the vehicle-mounted camera is more adaptive.
The height of the telescopic rod 31 is adjusted, calibration of vehicle-mounted cameras of vehicles with different heights can be completed, and the vehicle-mounted camera calibration device is high in universality, simple in structure and easy to manufacture.
In other embodiments, only one first connector 32 may be provided on the extension rod.
Preferably, a plurality of through holes are formed in the calibration plate 1, third connecting members are arranged in the through holes, and the calibration plate 1 is connected with the second connecting members 34 through the third connecting members.
Specifically, the upper end of the calibration plate 1 is connected to the first cross member 41, and the lower end of the calibration plate 1 is connected to the second cross member 42.
In particular, the leveling instrument 44 may be a level, the distance measuring member 43 may be a tape measure, and the purpose of the tape measure provided at both ends of the second beam 42 is to: when the calibration equipment of the vehicle-mounted camera is used, the measuring tapes on two sides can be used for measuring the distance between the calibration equipment of the vehicle-mounted camera and the vehicle at the same time, and the measured distance is the distance between the measurement calibration plate 1 and the vehicle; the position of the calibration equipment of the vehicle-mounted camera is prevented from deviating, and the horizontal calibration instrument 44 is used for ensuring the horizontal precision of the calibration equipment of the vehicle-mounted camera, so that the measurement data of the calibration equipment of the vehicle-mounted camera is more accurate.
Preferably, the telescopic bracket 2 is a tripod, the telescopic bracket 2 includes at least three support legs 21, three one ends of the support legs 21 are connected to each other, the other ends of the three support legs 21 are all provided with a base 22, and the base 22 is provided with an adjusting part 23 for adjusting the height of the base 22.
Preferably, the telescopic rod 31 is provided with scale marks for displaying the telescopic length of the telescopic rod 31.
Preferably, a fourth connecting member 24 is arranged on the base 22, and the fourth connecting member 24 is fixedly connected with the base 22;
the leg 21 is connected to the base 22 by the fourth connecting member 24.
Specifically, the adjusting part 23 may be a ground pin, and the adjusting part 23 can adjust the height of the base 22 connected thereto, so as to meet the requirement of keeping the equipment level on uneven ground.
Specifically, the fourth connecting member 24 may be a cylinder, one end of the cylinder is fixedly connected to the base 22, and one of the support legs 21 extends into the cylinder from the other end of the cylinder, so as to detachably connect the support leg 21 to the base 22.
The adjusting process of the calibration device of the vehicle-mounted camera during calibration is as follows: when the vehicle-mounted camera needs to be calibrated, firstly, calibration equipment of the vehicle-mounted camera is placed on the ground; measuring the distance from the calibration device to the vehicle using two distance measuring pieces 43, so as to avoid the calibration device from tilting; adjusting the adjusting piece 23, and observing a horizontal calibration instrument 44 to keep the calibration equipment of the vehicle-mounted camera horizontal; the length of the telescopic rod 31 is adjusted, so that the calibration equipment of the vehicle-mounted camera adapts to the height of the vehicle-mounted camera to be measured, and the vehicle-mounted camera can be calibrated after the adjustment is completed.
Although the present invention has been described in connection with the preferred embodiments, it is not intended to limit the invention to the embodiments described herein, but rather, to include various changes and modifications without departing from the scope of the invention.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. The calibration equipment of the vehicle-mounted camera is characterized by comprising a calibration plate (1), a telescopic bracket (2), an adjusting component (3) and a bracket (4);
the adjusting assembly (3) comprises a telescopic rod (31) and at least one first connecting piece (32); one end of the telescopic rod (31) is connected with the telescopic support (2), and the other end of the telescopic rod (31) is connected with the support (4) through the first connecting piece (32);
the support (4) comprises a first cross beam (41) and a second cross beam (42), sliding grooves (33) are formed in the first cross beam (41) and the second cross beam (42), a second connecting piece (34) is arranged in each sliding groove (33), and each second connecting piece (34) is connected with the corresponding sliding groove (33) in a sliding mode; a horizontal calibration instrument (44) is arranged on the first cross beam (41), and distance measuring pieces (43) are arranged at two ends of the second cross beam (42);
the calibration plate (1) is connected with the second connecting piece (34) so that the calibration plate (1) can slide along the length direction of the sliding groove (33).
2. The calibration device of the vehicle-mounted camera according to claim 1, wherein the bracket (4) further comprises a first longitudinal beam and a second longitudinal beam, the first cross beam (41), the second cross beam (42), the first longitudinal beam and the second longitudinal beam are connected to form a square frame, and the first cross beam (41) and the second cross beam (42) are arranged in parallel.
3. The calibration device of the vehicle-mounted camera according to claim 2, wherein the telescopic rod (31) comprises a first rod (311), a second rod (312) and a third rod (313), the first rod (311), the second rod (312) and the third rod (313) are connected in sequence, and the diameters of the first rod (311), the second rod (312) and the third rod (313) are gradually reduced.
4. The calibration equipment of a vehicle-mounted camera according to claim 3, wherein the telescopic rod (31) further comprises a first limiting member (314) and a second limiting member (315);
the first section rod (311) is connected with the second section rod (312) through the first limiting piece (314);
the second link (312) is connected to the third link (313) via the second stopper (315).
5. The calibration device for the vehicle-mounted camera according to claim 4, wherein the first connecting piece (32) is arranged on each of the first section rod (311), the second section rod (312) and the third section rod (313);
the first connecting piece (32) comprises a first connecting part (321) and a second connecting part (322), one side of the first connecting part (321) is connected with the bracket (4), and the other side of the first connecting part (321) is connected with the second connecting part (322);
the first connecting part (321) and the second connecting part (322) are connected to form a round hole;
the telescopic rod (31) is arranged in the round hole, the diameter of the round hole is matched with that of the telescopic rod (31), and an anti-skid piece is arranged on the inner wall of the round hole.
6. The calibration device of the vehicle-mounted camera according to claim 5, wherein a plurality of through holes are arranged on the calibration plate (1), a third connecting piece is arranged in each through hole, and the calibration plate (1) is connected with the second connecting piece (34) through the third connecting piece.
7. The calibration equipment of the vehicle-mounted camera according to claim 6, wherein the telescopic bracket (2) is a tripod, the telescopic bracket (2) comprises at least three support legs (21), one ends of the three support legs (21) are connected with each other, the other ends of the three support legs (21) are provided with bases (22), and the bases (22) are provided with adjusting pieces (23) for adjusting the heights of the bases (22).
8. The calibration device for the vehicle-mounted camera according to claim 7, wherein the telescopic rod (31) is provided with scale marks for displaying the telescopic length of the telescopic rod (31).
9. The calibration equipment of the vehicle-mounted camera according to claim 8, wherein a fourth connecting piece (24) is arranged on the base (22), and the fourth connecting piece (24) is fixedly connected with the base (22);
the supporting foot (21) is connected with the base (22) through the fourth connecting piece (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021053390.6U CN212718767U (en) | 2020-06-10 | 2020-06-10 | Calibration equipment for vehicle-mounted camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021053390.6U CN212718767U (en) | 2020-06-10 | 2020-06-10 | Calibration equipment for vehicle-mounted camera |
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| CN212718767U true CN212718767U (en) | 2021-03-16 |
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| CN202021053390.6U Active CN212718767U (en) | 2020-06-10 | 2020-06-10 | Calibration equipment for vehicle-mounted camera |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484833A (en) * | 2021-07-29 | 2021-10-08 | 深圳市道通科技股份有限公司 | Automobile calibration equipment |
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2020
- 2020-06-10 CN CN202021053390.6U patent/CN212718767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484833A (en) * | 2021-07-29 | 2021-10-08 | 深圳市道通科技股份有限公司 | Automobile calibration equipment |
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