CN220773756U - Traffic flow monitoring device based on high-speed laser radar - Google Patents
Traffic flow monitoring device based on high-speed laser radar Download PDFInfo
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- CN220773756U CN220773756U CN202322562155.1U CN202322562155U CN220773756U CN 220773756 U CN220773756 U CN 220773756U CN 202322562155 U CN202322562155 U CN 202322562155U CN 220773756 U CN220773756 U CN 220773756U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013145 classification model Methods 0.000 description 2
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Abstract
The utility model discloses a traffic flow monitoring device based on a high-speed laser radar, which comprises a cylindrical upright rod, wherein the cylindrical upright rod comprises a cylinder, one side of the upper end of the cylinder is provided with a knapsack box body through a first connecting piece, the inside of the knapsack box body is provided with power supply equipment and an embedded host, the inside of the embedded host is provided with a communication module and an expandable IO module, the top of the cylinder is provided with a solid-state laser radar through a rotary connecting mechanism, and a motor is connected between the rotary connecting mechanism and the cylinder through gear group transmission.
Description
Technical Field
The utility model relates to the technical field of traffic flow monitoring, in particular to a traffic flow monitoring device based on a high-speed laser radar.
Background
The current general bayonet traffic flow monitoring system device equipment generally uses monitoring equipment such as video monitoring and light curtain to realize a vehicle capturing function, detection equipment is arranged at an entrance and an exit, when a vehicle enters or leaves a service area, an idle parking space of the service area is updated in real time, and the light curtain equipment is adopted at present to acquire characteristic information of the current vehicle through a correlation grating so as to judge the vehicle. The vehicle model recognition rate is not high. Sufficient vehicle characteristics cannot be obtained by means of the grating alone. Because of adopting the correlation grating, the method is greatly influenced by the environment, has alignment problem in the installation process and brings certain difficulty to construction. The video monitoring equipment is used for acquiring a picture of the current vehicle through a camera, and the image analysis algorithm is used for acquiring the vehicle characteristics to judge the vehicle. Because the camera belongs to a visual system of the passive machine, imaging is carried out by depending on external light, and therefore, the camera is greatly influenced by the environment.
The utility model provides a highway real-time traffic flow monitoring and reposition of redundant personnel induction device in 202021710178.2 among the prior art, belongs to highway management system technical field, specifically includes a plurality of early warning devices of installing in highway one side, and a plurality of early warning devices are connected with highway monitoring center system respectively; the early warning device mainly comprises a shunting information electronic screen, a speed limit identification electronic screen, a millimeter wave radar and a monitoring camera, wherein the shunting information electronic screen, the speed limit identification electronic screen, the millimeter wave radar and the monitoring camera are all connected with a controller, and a communication module is arranged in the controller and is connected and communicated with a highway monitoring center system through the communication module; the cover is simple in structure and convenient to use, can guide the rear vehicle to split in real time according to road conditions and monitor road flow in real time, but is greatly influenced by environment, and fog, heavy rain, night and the like can cause great adverse effects on the rear vehicle.
Disclosure of Invention
The utility model aims to provide a traffic flow monitoring device based on a high-speed laser radar, which aims to solve the problems that the vehicle type recognition rate is extremely low and the vehicle leaks in a high-speed running state in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a traffic flow monitoring devices based on high-speed laser radar, includes the cylindricality pole setting, the cylindricality pole setting is including the cylinder that is equipped with, knapsack box is installed through first connecting piece to cylinder upper end one side, the inside power supply unit and the embedded host computer that are equipped with of knapsack box, the inside communication module and the scalable IO module of being provided with of embedded host computer, the cylinder top is equipped with solid-state laser radar through swivelling joint mechanism, and is connected with the motor through the gear train transmission between swivelling joint mechanism and the cylinder.
Further, the lower end of the cylindrical upright rod is provided with a bottom fixing seat, and the bottom fixing seat is arranged into a round pedestal.
Furthermore, the inner wall of the knapsack box body is provided with a waterproof layer, and one side of the knapsack box body is hinged with a box door.
Further, a tower-tip shielding plate is arranged at the top of the knapsack box body, and tower-tip radiating openings are formed in two sides of the knapsack box body.
Furthermore, the first connecting piece is arranged to be a U-shaped connecting piece, and a locking bolt is arranged on the middle thread of one side of the first connecting piece.
Further, the rotary connecting mechanism comprises a second connecting piece which is rotatably arranged at the top of the cylinder through a connecting shaft, and the second connecting piece is fixedly connected with one end of the solid-state laser radar.
Further, the gear set comprises a driven gear arranged outside the lower end of the second connecting piece, and one end of the motor is in transmission connection with a driving gear in meshed connection with the driven gear.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the high-speed laser radars are respectively arranged at the entrance and the exit of the high-speed service area, the radars can respond in millisecond level for the high-speed identification radar, the problem of too fast speed of entering and exiting the service area can be solved, compared with a scheme based on camera snapshot, the frequency of vehicle missing and vehicle staggering can be reduced, meanwhile, compared with other schemes based on laser radar monitoring, the method can be used for identifying the size of a vehicle type, and is more convenient and quick to debug, the cost is greatly reduced, and the device is simple to install and convenient to maintain in later period, and the overall cost is reduced.
According to the utility model, the bottom fixing seat is arranged at the lower end of the cylindrical upright rod, the bottom fixing seat is arranged into a circular pedestal, the contact area between the bottom fixing seat and the ground is increased, and the bottom fixing seat is fixed on the ground through the driven expansion screw, so that the installation stability of equipment is ensured.
According to the utility model, the tower-tip-shaped shielding plate is arranged at the top of the knapsack box body, the shielding plate can play a role in protecting power supply equipment and an embedded host, the shielding plate can rapidly drain water when heavy rain occurs, the working stability of the embedded host is kept, and meanwhile, the plurality of tower-tip heat dissipation openings are arranged at the outer side, so that the heat dissipation of equipment is enhanced, and meanwhile, water cannot enter.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a top view of the mounting structure of the present utility model;
fig. 3 is a functional block diagram of the present utility model.
In the figure: 1. a high-speed service area; 2. a cylindrical upright; 21. a cylinder; 22. a second connector; 23. a first connector; 24. a bottom fixing seat; 3. a backpack case; 31. a shielding plate; 32. a tower tip heat radiation port; 4. solid-state lidar; 5. a power supply device; 6. an embedded host; 7. a communication module; 8. an extensible IO module; 9. a connecting shaft; 10. a driven gear; 11. a drive gear; 12. an electric motor.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, fig. 2 and fig. 3, in the embodiment of the utility model, a traffic flow monitoring device based on a high-speed laser radar comprises a cylindrical upright rod 2, the cylindrical upright rod 2 comprises a cylinder 21, one side of the upper end of the cylinder 21 is provided with a knapsack box 3 through a first connecting piece 23, the box space is large, the lower end of the inside is also provided with an air vent to prevent a machine from overheating, a power supply device 5 and an embedded host 6 are arranged in the knapsack box 3, a communication module 7 and an expandable IO module 8 are arranged in the embedded host 6, the expandable IO module 8 can be added with different modules to realize subsequent function upgrading, the communication module 7 is convenient for carrying out wireless communication processing, the top of the cylinder 21 is provided with a solid-state laser radar 4 through a rotary connecting mechanism, the solid-state laser radar 4 is in millisecond-level response for the high-speed identification radar, the high-speed laser radar is adopted to acquire side information and characteristic points of the vehicle as much as possible through a scheme of using a multipoint recovery flight ray, and a motor 12 is connected between the rotary connecting mechanism and the cylinder 21 through a gear set transmission, so that the solid-state laser radar 4 is driven to rotate horizontally through the motor 12 and the gear set to adjust through the gear set, and other laser radar can be conveniently used in other scenes.
Preferably, the lower end of the column-shaped upright rod 2 is provided with a bottom fixing seat 24, the bottom fixing seat 24 is arranged as a round pedestal, the contact area between the bottom fixing seat 24 and the ground is increased, and the bottom fixing seat is fixed on the ground through driving expansion screws, so that the installation stability of equipment is ensured.
Preferably, the inner wall of the knapsack box body 3 is provided with a waterproof layer, so that the safety of the knapsack box body 3 is improved, one side of the knapsack box body 3 is hinged with a box door, and the knapsack box body 3 is convenient to overhaul.
Preferably, the knapsack box 3 top is equipped with the tower tip shape shielding plate 31, and shielding plate 31's setting can play protection power supply unit 5, embedded host computer 6's effect, and shielding plate 31's setting can play and can drain water fast when heavy rain, keeps embedded host computer 6 job stabilization nature, and the knapsack box 3 outside has set up a plurality of tower tip thermovent 32 simultaneously, also can not intaking when reinforcing equipment thermal diffusivity.
Preferably, the first connecting piece 23 is configured as a U-shaped connecting piece, and a locking bolt is arranged at the middle thread of one side of the first connecting piece 23, so that the stability of the backpack case 3 mounted and fixed outside the cylindrical upright 2 is improved.
Preferably, the rotary connection mechanism comprises a second connecting piece 22 which is rotatably arranged at the top of the cylinder 21 through a connecting shaft 9, the second connecting piece 22 is fixedly connected with one end of the solid-state laser radar 4, the gear set comprises a driven gear 10 which is arranged outside the lower end of the second connecting piece 22, one end of the motor 12 is in transmission connection with a driving gear 11 which is in meshed connection with the driven gear 10, and the solid-state laser radar 4 is driven to horizontally rotate and adjust through the motor 12 and the gear set, so that detection and use of different horizontal angles are met.
The working principle and the using flow of the utility model are as follows: when the system is used, the solid-state laser radar 4 is arranged on the outer side of a lane of a vehicle entrance of the high-speed service area 1, the scheme of recovering flying rays by using multiple points is adopted by the high-speed laser radar, vehicle side information and characteristic points are acquired as much as possible, the obtained vehicle side information and characteristic points are transmitted to the embedded host 6, a rough point cloud image can be drawn by a point cloud image forming algorithm in the embedded host 6 by using a small amount of vehicle side information characteristic points, the rough point cloud image in the scene is input into an identification image classification model based on deep learning, the image classification model in the embedded host 6 is specially trained for image samples with less vehicle characteristic information in a special scene, the model classification accuracy in the scene is greatly improved, the requirement of identifying the vehicle model of the vehicle running at a high speed in the entrance and the exit of the service area is met, then the vehicle information is transmitted to the service area platform in real time through the communication module 7 to be updated, the system is simple to install, the later maintenance is convenient, and the overall cost is reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. Traffic flow monitoring device based on high-speed laser radar, including cylindricality pole setting (2), its characterized in that: the utility model discloses a backpack is characterized by comprising a cylindrical pole setting (2), a backpack box (3) is installed through first connecting piece (23) in cylinder (21) upper end one side, knapsack box (3) inside is equipped with power supply unit (5) and embedded host computer (6), inside communication module (7) and the scalable IO module (8) of being provided with of embedded host computer (6), cylinder (21) top is equipped with solid-state laser radar (4) through swivelling joint mechanism, and is connected with motor (12) through the gear train transmission between swivelling joint mechanism and the cylinder (21).
2. The high-speed lidar-based traffic monitoring device of claim 1, wherein: the lower extreme of cylindricality pole setting (2) is equipped with bottom fixing base (24), bottom fixing base (24) set up into the circle pedestal.
3. The high-speed lidar-based traffic monitoring device of claim 1, wherein: the inner wall of the knapsack box body (3) is provided with a waterproof layer, and one side of the knapsack box body (3) is hinged with a box door.
4. The high-speed lidar-based traffic monitoring device of claim 1, wherein: the top of the knapsack box body (3) is provided with a tower-tip shielding plate (31), and both sides of the knapsack box body (3) are provided with tower-tip radiating openings (32).
5. The high-speed lidar-based traffic monitoring device of claim 1, wherein: the first connecting piece (23) is arranged to be a U-shaped connecting piece, and a locking bolt is arranged on one side middle thread of the first connecting piece (23).
6. The high-speed lidar-based traffic monitoring device of claim 1, wherein: the rotary connecting mechanism comprises a second connecting piece (22) which is rotatably arranged at the top of the cylinder (21) through a connecting shaft (9), and the second connecting piece (22) is fixedly connected with one end of the solid-state laser radar (4).
7. The high-speed lidar-based traffic monitoring device of claim 5, wherein: the gear set comprises a driven gear (10) arranged outside the lower end of the second connecting piece (22), and one end of the motor (12) is in transmission connection with a driving gear (11) in meshed connection with the driven gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322562155.1U CN220773756U (en) | 2023-09-21 | 2023-09-21 | Traffic flow monitoring device based on high-speed laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322562155.1U CN220773756U (en) | 2023-09-21 | 2023-09-21 | Traffic flow monitoring device based on high-speed laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220773756U true CN220773756U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322562155.1U Active CN220773756U (en) | 2023-09-21 | 2023-09-21 | Traffic flow monitoring device based on high-speed laser radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220773756U (en) |
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2023
- 2023-09-21 CN CN202322562155.1U patent/CN220773756U/en active Active
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