CN210719058U - Laser vehicle profile detection system of single pole mode - Google Patents
Laser vehicle profile detection system of single pole mode Download PDFInfo
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- CN210719058U CN210719058U CN201921742310.5U CN201921742310U CN210719058U CN 210719058 U CN210719058 U CN 210719058U CN 201921742310 U CN201921742310 U CN 201921742310U CN 210719058 U CN210719058 U CN 210719058U
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Abstract
The utility model relates to a laser vehicle profile detection system based on single pole mode, including three laser scanning range finding sensors, wherein two laser scanning range finding sensors installation direction is according to scanning direction and the road direction of traveling perpendicular in the both sides of road, another laser scanning range finding sensor installation direction is according to scanning direction and the road direction of traveling parallel, and in the upper position of road center, the left and right sides laser scanning range finding sensor scanning sector is 30cm before the central scanning range finding sensor position, the vehicle passes through the scanning sector of left and right laser scanning range finding sensors at first, then passes through central laser scanning range finding sensor, the system length, width, height measurement are located a single pole, only install in one side, simple installation is convenient, obtain vehicle profile information simultaneously, to pedestrian, convenient discernment and filtering such as motorcycle mistake is rushed, and simple to operate, the cost is low, and the popularization is easy.
Description
Technical Field
The utility model relates to a vehicle profile detection field especially relates to a laser vehicle profile detecting system of single pole mode.
Background
The existing laser vehicle contour detection system has the conditions of complex installation, low precision, pedestrian interference, vehicle driving direction interference and the like in the operation process, and specifically comprises the following steps: a plurality of installation pole modes have increased the construction degree of difficulty, and laser scanning range sensor's range finding ability is undefined, leads to the measurement accuracy problem, and the pedestrian triggers by mistake, leads to vehicle data in disorder, and the vehicle advances to retreat and judges inaccurately, leads to backing a car and triggers by mistake. In combination with the above problems, there is a need for a vehicle contour detection system that is easy to install, accurate in measurement, highly logical, and accurate in judgment.
Disclosure of Invention
In light of the above technical problems, the present invention provides a laser vehicle contour detection system with a single rod, comprising a first scanning distance measuring sensor, a second scanning distance measuring sensor, a third scanning distance measuring sensor, a door frame, and a support holding arm, wherein the door frame comprises a vertical rod and a horizontal rod, the vertical rod is fixedly connected to the horizontal rod at 90 °, the horizontal rod is sequentially provided with the first scanning distance measuring sensor, the second scanning distance measuring sensor, and the third scanning distance measuring sensor, the first scanning distance measuring sensor, the second scanning distance measuring sensor, and the third scanning distance measuring sensor are respectively connected to the horizontal rod through the support holding arm, the support holding arm comprises a support, a pitching gimbal, a swinging gimbal, a flat plate, a hoop, and a U-shaped clamp, one side of the support is rotatably connected to the pitching gimbal through a rotating shaft, the bottom of the pitching gimbal is rotatably connected to the swinging gimbal through a rotating shaft, the support opposite side passes through the bolt and installs the flat board perpendicularly, dull and stereotyped bilateral symmetry is equipped with the staple bolt, be equipped with U type card between the staple bolt.
Furthermore, the scanning ranges of the first scanning distance measuring sensor, the second scanning distance measuring sensor and the third scanning distance measuring sensor are larger than 20 meters, the scanning angle is larger than 180 degrees, the distance measuring precision is smaller than 4cm, and the scanning frequency is not smaller than 50 Hz.
Further, the height range of the vertical rod in the door frame is 5-7 m.
Further, the length range of the transverse rod in the door frame is 3-4 meters.
Furthermore, the first scanning distance measuring sensor and the second scanning distance measuring sensor are respectively arranged at two ends of the cross rod, the installation direction is vertical to the direction of a running road according to the scanning direction, the distance between the road shoulders at two sides of the road is less than 0.2 m, and the scanning sectors of the first scanning distance measuring sensor and the second scanning distance measuring sensor are positioned on the same plane.
Furthermore, the mounting direction of the third scanning ranging sensor is parallel to the direction of a running road according to the scanning direction, the third scanning ranging sensor is mounted at the center of a cross bar of the portal and is 1.6-meter to 1.8 meters away from a left road shoulder, and a support holding arm of the third scanning ranging sensor is perpendicular to the road surface right below.
Further, the scanning fan surfaces of the first scanning distance measuring sensor and the second scanning distance measuring sensor are 30cm before the 90-degree position.
Further, the length range of the bracket arm is 30cm-40 cm.
The utility model has the advantages that: the utility model relates to a laser vehicle profile detecting system of single pole mode, through installing three laser scanning distance measuring sensor on the single pole portal, only break the earth and move the worker in one side, it is simple convenient to install, laser scanning distance measuring sensor performance index is clear and definite, and utilize three laser scanning distance measuring sensor's relative position, the accurate vehicle of judging gos forward and retreat the running state, and pedestrian's spurious triggering, the accuracy of car length when can rectifying vehicle body and road surface nonparallel, also can promote the accuracy of height simultaneously, do benefit to the popularization of practical application occasion.
Drawings
FIG. 1 is a main structure view of the present invention;
FIG. 2 is a mounting diagram of a laser scanning distance measuring sensor of the device of the present invention;
FIG. 3 is a structural view of a bracket arm;
fig. 4 is an overall layout diagram of the present invention.
As shown in the figure, a first scanning ranging sensor-1, a second scanning ranging sensor-2, a third scanning ranging sensor-3, a door frame-4, a vertical rod-41, a cross rod-42, a support armful-5, a support-51, a pitching universal joint-52, a swinging universal joint-53, a flat plate-54, an anchor ear-55 and a U-shaped clamp-56.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: the utility model relates to a laser vehicle profile detection system of single pole mode, including first scanning range finding sensor 1, second scanning range finding sensor 2, third scanning range finding sensor 3, portal 4, support armful 5, portal 4 includes pole setting 41, horizontal pole 42 again, pole setting 41 and horizontal pole 42 are 90 fixed connection, install first scanning range finding sensor 1, second scanning range finding sensor 2, third scanning range finding sensor 3 on the horizontal pole 42 in proper order, first scanning range finding sensor 1, second scanning range finding sensor 2, third scanning range finding sensor 3 realize the connection with horizontal pole 42 through support armful 5 respectively, support armful 5 includes support 51 again, every single move universal joint 52, sways universal joint 53, flat plate 54, staple bolt 55, U type card 56, support 51 one side realizes rotating connection through the pivot with every single move universal joint 52, the bottom of the pitching universal joint 52 is rotatably connected with the swinging universal joint 53 through a rotating shaft, a flat plate 54 is vertically installed on the other side of the support 51 through bolts, hoops 55 are symmetrically arranged on two sides of the flat plate 54, and U-shaped clamps 56 are arranged between the hoops 55.
Furthermore, the scanning ranges of the first scanning ranging sensor 1, the second scanning ranging sensor 2 and the third scanning ranging sensor 3 are larger than 20 meters, the scanning angle is larger than 180 degrees, the ranging precision is smaller than 4cm, and the scanning frequency is not smaller than 50 Hz.
Further, the height of the vertical rod 41 in the gantry 4 ranges from 5 meters to 7 meters.
Further, the length of the cross bar 42 in the door frame 4 ranges from 3 meters to 4 meters.
Furthermore, the first scanning distance measuring sensor 1 and the second scanning distance measuring sensor 2 are respectively installed at two ends of the cross bar 42, the installation direction is vertical to the direction of the driving road according to the scanning direction, the distance between the road shoulders at two sides of the road is less than 0.2 meter, and the scanning sectors of the first scanning distance measuring sensor 1 and the second scanning distance measuring sensor 2 are located on the same plane.
Furthermore, the mounting direction of the third scanning ranging sensor 3 is parallel to the direction of a running road according to the scanning direction, the third scanning ranging sensor is mounted at the center of a cross bar of the portal 4 and is 1.6-1.8 meters away from a left road shoulder, and a support holding arm 5 of the third scanning ranging sensor 3 is perpendicular to the road surface right below the third scanning ranging sensor.
Further, the scanning fan surfaces of the first scanning distance measuring sensor 1 and the second scanning distance measuring sensor 2 are 30cm before the 90-degree position.
Further, the length range of the bracket arm 5 is 30cm-40 cm.
The working principle is as follows: firstly, embrace arm 5 with first scanning range sensor 1, second scanning range sensor 2 through the support and install at horizontal pole 42 both ends, the installation direction is perpendicular according to scanning direction and road direction of traveling, is less than 0.2 meters apart from the curb in road both sides, specifically is: the two hoops 55, the flat plate 54 and the U-shaped clamp 56 are clasped on the cross bar 42 of the portal 4, the two hoops are firm and stable, the support clasping arm 5 extends outwards to place the laser scanning distance measuring sensor 30-40cm beyond the center of the cross bar 42, the pitching universal joint 52 and the swinging universal joint 53 complete the adjustment of the pitching and swinging directions of the laser scanning distance measuring sensor, ensure that the scanning light curtain of the laser scanning distance measuring sensor can be vertical to the road surface at the bottom, ensure that the scanning sectors of the scanning distance measuring sensor 1 and the second scanning distance measuring sensor 2 are on the same plane, make the installation direction of the third scanning distance measuring sensor 3 parallel to the direction of the driving road according to the scanning direction, install the support clasping arm 5 at the center of the cross bar 42 of the portal 4 and be 1.6-1.8 meters away from the road shoulder at the left side, and the support arm 5 of the third scanning distance measuring sensor 3, the scanning sectors of the first scanning ranging sensor 1 and the second scanning ranging sensor 2 are 30cm in front of the vertical downward position of the third scanning ranging sensor 3, the scanning ranges of the three laser scanning ranging sensors are all larger than 20 meters, the scanning angles are larger than 180 degrees, the ranging precision is smaller than 4cm, and the scanning frequency is not smaller than 50 Hz.
Judging the vehicle driving direction: the vehicle firstly triggers a first scanning ranging sensor 1 and a second scanning ranging sensor on the left side and the right side, then triggers a third scanning ranging sensor 3 above the center of the road, and then drives in the forward direction, otherwise backs up;
when the pedestrian passes through: the first scanning ranging sensor 1 and the second scanning ranging sensor 2 on the left side and the right side can scan and calculate the height and the width of a pedestrian, the third scanning ranging sensor 3 above the road center can accurately judge whether the pedestrian is a pedestrian or not according to the characteristics of length information if the length information is 0 or the object is scanned if any object is not scanned, and filtering is performed in time.
The utility model discloses an install three laser scanning range sensor on the single pole portal, only break earth in one side and move the worker, it is simple convenient to install, laser scanning range sensor performance index is clear and definite, and utilize three laser scanning range sensor's relative position, the accurate vehicle of judging gos forward and retreat the driving state, and pedestrian's spurious triggering, the accuracy of car length when can rectifying vehicle automobile body and road surface nonparallel, also can promote the accuracy of height simultaneously, do benefit to the popularization of practical application occasion.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (8)
1. A laser vehicle contour detection system adopting a single-rod mode is characterized by comprising a first scanning distance measuring sensor, a second scanning distance measuring sensor, a third scanning distance measuring sensor, a door frame and a support holding arm, wherein the door frame comprises a vertical rod and a cross rod, the vertical rod and the cross rod are fixedly connected by 90 degrees, the cross rod is sequentially provided with the first scanning distance measuring sensor, the second scanning distance measuring sensor and the third scanning distance measuring sensor, the first scanning distance measuring sensor, the second scanning distance measuring sensor and the third scanning distance measuring sensor are respectively connected with the cross rod through the support holding arm, the support holding arm comprises a support, a pitching universal joint, a swinging universal joint, a flat plate, a hoop and a U-shaped card, one side of the support is rotatably connected with the pitching universal joint through a rotating shaft, the bottom of the pitching universal joint is rotatably connected with the swinging universal joint through the rotating shaft, the support opposite side passes through the bolt and installs the flat board perpendicularly, dull and stereotyped bilateral symmetry is equipped with the staple bolt, be equipped with U type card between the staple bolt.
2. The single-bar laser vehicle contour detection system of claim 1, wherein the first scanning range sensor, the second scanning range sensor, and the third scanning range sensor have a scanning range of greater than 20 meters, a scanning angle of greater than 180 °, a ranging accuracy of less than 4cm, and a scanning frequency of not less than 50 Hz.
3. A single-beam laser vehicle contour detection system as defined in claim 1, wherein the height of the vertical rods in said mast ranges from 5 meters to 7 meters.
4. A single bar laser vehicle contour detection system as defined in claim 1, wherein said cross bar in said portal frame has a length in the range of 3-4 meters.
5. The single-bar laser vehicle contour detection system of claim 1, wherein said first scanning ranging sensor and said second scanning ranging sensor are installed at both ends of the cross bar, respectively, in a direction perpendicular to a direction of a road to be traveled in a scanning direction, less than 0.2 m from a road shoulder at both sides of the road, and scanning sectors of the first scanning ranging sensor and the second scanning ranging sensor are located on the same plane.
6. The single-beam laser vehicle contour detection system of claim 1, wherein the third scanning ranging sensor is installed in a direction parallel to the direction of the driving road according to the scanning direction, is installed at the center of the cross bar of the gantry, and is 1.6-1.8 m away from the left side road shoulder, and the bracket holding arm of the third scanning ranging sensor is perpendicular to the road surface right below.
7. The single bar laser vehicle contour detection system of claim 6, wherein the scanning sectors of said first scanning range sensor and said second scanning range sensor are 30cm in front of the 90 ° position.
8. The single pole laser vehicle contour inspection system of claim 1, wherein said cradle armlet has a length in the range of 30cm to 40 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742310.5U CN210719058U (en) | 2019-10-17 | 2019-10-17 | Laser vehicle profile detection system of single pole mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742310.5U CN210719058U (en) | 2019-10-17 | 2019-10-17 | Laser vehicle profile detection system of single pole mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210719058U true CN210719058U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921742310.5U Active CN210719058U (en) | 2019-10-17 | 2019-10-17 | Laser vehicle profile detection system of single pole mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210719058U (en) |
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2019
- 2019-10-17 CN CN201921742310.5U patent/CN210719058U/en active Active
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