Vehicle-road cooperation intelligent vehicle with double-lane identification function
By integrating bidirectional screw and track marking components on vehicle-road collaborative smart cars, the problem of the vehicle travel trajectory of different lane widths cannot be adjusted and marked in the prior art, and the flexibility to adapt to different lane widths and accurately verify the trajectory of trolleys is achieved. Function.
Patent Information
- Application Number
- CN202421211297.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The prior art cannot adjust the vehicle's travel trajectory according to the width of different lanes, and cannot mark the vehicle's travel trajectory, resulting in inconvenient verification of the vehicle's trajectory.
Design a vehicle-road collaboration smart car with two lane recognition, adopting a bidirectional screw and track marking assembly, collecting lane information through visual probes and lidar, adjusting the bidirectional screw to adapt to different lane widths, and automatically marking and Verify the vehicle's trajectory.
The function of adjusting the vehicle's travel trajectory according to different lane widths is realized, and the accuracy of the vehicle's trajectory is ensured through automatic marking and verification, which improves the flexibility and accuracy of lane recognition.
Smart Images

Figure CN222474056U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile road recognition, and specifically relates to a vehicle-road cooperative intelligent car for dual-lane recognition. Background Art
[0002] With the rapid development of new energy, new energy vehicles have been vigorously promoted and popularized. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc. In the process of development, new energy vehicles have become more and more functional. At the same time, related models have functions such as lane recognition. In the process of lane recognition, lane recognition needs to be verified.
[0003] For example, the lane departure recognition device disclosed in the utility model with authorization announcement number CN218481896U has two pressure sensors respectively provided on the left and right sides of the lane near the intersection, and a camera for photographing the license plates of cars on the lane, a first controller and a first wireless communication module are provided at the intersection, and the first controller is electrically connected to the camera, the first wireless communication module and the two pressure sensors. When the driverless car enters the lane near the intersection, the first controller establishes wireless communication with the car through the first wireless communication module and obtains the license plate information of the car. When the car deviates from the lane to the right, the car will press the pressure sensor located on the right side of the lane, and the pressure sensor will send a car right deviation signal to the first controller. The first controller controls the camera to recognize the license plate of the car that has deviated from the lane, and sends the car right deviation signal to the car through the first wireless communication module to guide the car back to the lane. However, in the above technical solution, it is impossible to adjust the vehicle's travel trajectory according to the width of different lanes. At the same time, it is impossible to mark the vehicle's travel trajectory, which is not convenient for verifying the vehicle's trajectory maintenance. For this reason, we propose a dual-lane recognition vehicle-road collaborative intelligent car. Utility Model Content
[0004] The purpose of the utility model is to provide a vehicle-road cooperative intelligent car with dual-lane recognition, so as to solve the problems raised in the above-mentioned background technology that the vehicle's moving trajectory cannot be adjusted according to the width of different lanes, and at the same time it cannot mark the vehicle's moving trajectory, which makes it inconvenient to verify the vehicle's trajectory maintenance.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-lane recognition vehicle-road cooperative intelligent car, comprising a vehicle body, a visual probe arranged on one side of the vehicle body, a first laser radar and a second laser radar arranged on both sides of the vehicle body, a cross frame is arranged on the vehicle body, and a counter-adjustment component for adjusting the trajectories of lanes of different specifications is arranged on the cross frame;
[0006] The opposite adjustment component includes a bidirectional screw rod, the bidirectional screw rod is arranged in a mounting groove, the mounting groove is arranged on a horizontal frame, the bidirectional screw rod is symmetrically provided with a first nut and a second nut, the first nut and the second nut are respectively provided with a first support frame and a second support frame, and the first support frame and the second support frame are both provided with a track marking component;
[0007] Wherein, the bidirectional screw rod is connected to the cross frame through a driving structure.
[0008] Preferably, the driving structure includes a first bevel gear, which is arranged on a driving shaft of a driving motor, and the driving motor is arranged on a cross frame. The first bevel gear is meshed with a second bevel gear, and the second bevel gear is arranged on a bidirectional lead screw to drive the rotation of the bidirectional lead screw.
[0009] Preferably, linear sliders are provided on the first nut and the second nut, and the linear sliders are slidably provided on linear slide rails, and the linear slide rails are provided in the mounting groove, thereby improving the stability of the first nut and the second nut when they move.
[0010] Preferably, the track marking assembly includes an electric push rod, which is embedded in the first support frame and the second support frame. An adjustment plate is arranged on the piston rod of the electric push rod, and a liquid storage cylinder is arranged on the adjustment plate. The liquid storage cylinder is movably arranged in an adjustment port, and the adjustment port is arranged on the first support frame and the second support frame. An infusion hose is arranged on the liquid storage cylinder, and the infusion hose is connected to the liquid storage tank in the vehicle body. An automatic sealing structure is arranged in the liquid storage cylinder, which can adjust the height of the liquid storage cylinder.
[0011] Preferably, the automatic sealing structure includes a drainage channel, which is arranged at the bottom of the liquid storage cylinder. A sealing ball is arranged on one side of the drainage channel, and the sealing ball is used to control the opening and closing of the drainage channel and can control the flow rate of the marking liquid in the drainage channel.
[0012] Preferably, a limit block is provided on the sealing ball, and the limit block is movably provided in a limit groove, and the limit groove is provided on the liquid storage cylinder. A reset spring is also provided in the limit groove, and the reset spring is connected to the limit block, so as to reset the sealing ball and automatically seal the drainage channel.
[0013] Preferably, a push rod is provided on the sealing ball, and the push rod passes through the drainage channel to facilitate lifting the sealing ball.
[0014] Preferably, a groove body is provided at the bottom of the push rod, and a ball is provided in the groove body, so that when the vehicle body moves, the ball is driven to roll to prevent the push rod from being worn.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] (1) The utility model can adjust the distance between the first support frame and the second support frame by rotating the bidirectional screw rod, so that it can meet the use of roads of different widths, greatly improving the scope of use of the present application.
[0017] (2) The utility model can automatically mark the driving trajectory of the vehicle, and compare the marked trajectory with the identified lane to determine whether the vehicle's movement trajectory is consistent with the identified lane information. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a right side cross-sectional structural schematic diagram of the opposite adjustment component in the utility model;
[0020] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;
[0021] Figure 4 It is a half-section structural schematic diagram of the track marking component in the utility model;
[0022] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at B in the middle;
[0023] Figure 6 for Figure 4 Schematic diagram of the enlarged structure at C in the middle;
[0024] In the figure: 1. opposite adjustment component; 2. track marking component; 3. cross frame; 4. visual probe; 5. first laser radar; 6. vehicle body; 7. second laser radar; 101. first nut; 102. first support frame; 103. mounting groove; 104. bidirectional screw rod; 105. second support frame; 106. second nut; 107. drive motor; 108. first bevel gear; 109. second bevel gear; 201. infusion hose; 202. liquid storage cylinder; 203. adjustment port; 204. discharge channel; 205. sealing ball; 206. adjustment plate; 207. electric push rod; 208. limit block; 209. limit groove; 210. return spring; 211. push rod; 212. ball; 213. groove body. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-Figure 3 The utility model provides a technical solution: a dual-lane recognition vehicle-road cooperative intelligent car, comprising a vehicle body 6, a visual probe 4 arranged on one side of the vehicle body 6, a first laser radar 5 and a second laser radar 7 arranged on both sides of the vehicle body 6. Specifically, the visual probe 4 is connected to an external vehicle-mounted system, and the visual probe 4 can collect image information of the dual-lane on the ground. At the same time, the first laser radar 5 and the second laser radar 7 can collect objects and distances on both sides of the vehicle body 6. A cross frame 3 is arranged on the vehicle body 6, and a counter-adjustment component 1 for adjusting the trajectories of lanes of different specifications is arranged on the cross frame 3;
[0027] The opposite adjustment component 1 includes a bidirectional screw rod 104, which is arranged in a mounting groove 103, and the mounting groove 103 is arranged on the horizontal frame 3. The bidirectional screw rod 104 is symmetrically provided with a first nut 101 and a second nut 106, and the first nut 101 and the second nut 106 are respectively provided with a first support frame 102 and a second support frame 105, and the first support frame 102 and the second support frame 105 are both provided with a track marking component 2;
[0028] The bidirectional screw rod 104 is connected to the cross frame 3 through a driving structure, and the driving structure includes a first bevel gear 108. The first bevel gear 108 is arranged on the driving shaft of the driving motor 107, and the driving motor 107 is arranged on the cross frame 3. The first bevel gear 108 is meshed with the second bevel gear 109. The second bevel gear 109 is arranged on the bidirectional screw rod 104 and can drive the rotation of the bidirectional screw rod 104.
[0029] First, according to the lane width information recognized by the visual probe 4, the spacing between the first support frame 102 and the second support frame 105 is adjusted, and the first bevel gear 108 is driven to rotate by the driving motor 107, and the first bevel gear 108 drives the second bevel gear 109 to rotate, and the second bevel gear 109 drives the bidirectional screw rod 104 to rotate, and the first nut 101 and the second nut 106 move in opposite directions, and the first nut 101 drives the first support frame 102 to move, and the second nut 106 drives the second support frame 105 to move, and the first support frame 102 and the second support frame 105 simultaneously drive the track marker assembly 2 to move, and then the spacing between the two groups of track marker assemblies 2 is adjusted to meet the use of lanes of different widths.
[0030] Furthermore, linear sliders are provided on the first nut 101 and the second nut 106, and the linear sliders are slidably provided on the linear slide rails, and the linear slide rails are provided in the mounting groove 103. The movement of the first nut 101 and the second nut 106 can drive the linear sliders to move in the linear slide rails, thereby improving the stability of the first nut 101 and the second nut 106 when moving.
[0031] As an example in this application, please refer to Figure 4-Figure 6 The track marking component 2 includes an electric push rod 207, which is embedded in the first support frame 102 and the second support frame 105. An adjusting plate 206 is arranged on the piston rod of the electric push rod 207, and a liquid storage cylinder 202 is arranged on the adjusting plate 206. The liquid storage cylinder 202 is movably arranged in an adjusting port 203, and the adjusting port 203 is arranged on the first support frame 102 and the second support frame 105. An infusion hose 201 is arranged on the liquid storage cylinder 202, and the infusion hose 201 is connected to the liquid storage tank in the vehicle body 6. An automatic sealing structure is arranged in the liquid storage cylinder 202, which can adjust the height of the liquid storage cylinder 202.
[0032] The automatic sealing structure includes a drainage channel 204, which is arranged at the bottom of the liquid storage cylinder 202. A sealing ball 205 is arranged on one side of the drainage channel 204. The sealing ball 205 is used to control the opening and closing of the drainage channel 204 and can control the flow of the marking liquid in the drainage channel 204.
[0033] A limit block 208 is arranged on the sealing ball 205, and the limit block 208 is movably arranged in a limit groove 209. The limit groove 209 is arranged on the liquid storage cylinder 202. A reset spring 210 is also arranged in the limit groove 209. The reset spring 210 is connected to the limit block 208, and can reset the sealing ball 205, so as to automatically seal the drainage channel 204. A push rod 211 is arranged on the sealing ball 205, and the push rod 211 passes through the drainage channel 204, so as to facilitate the lifting of the sealing ball 205.
[0034] Preferably, a groove 213 is provided at the bottom of the push rod 211, and a ball 212 is provided in the groove 213, so that when the vehicle body 6 moves, the ball 212 is driven to roll, thereby preventing the push rod 211 from being worn.
[0035] First, the liquid storage tank delivers the marking liquid to the liquid storage cylinder 202 through the infusion hose 201, and then the electric push rod 207 drives the adjustment plate 206 to move downward, and the adjustment plate 206 moves downward to drive the liquid storage cylinder 202 to move downward in the adjustment port 203. When the top rod 211 is in contact with the ground, the top rod 211 drives the sealing ball 205 to move upward, and the sealing ball 205 drives the limit block 208 to move in the limit groove 209. The limit block 208 compresses the reset spring 210. At this time, the sealing ball 205 is separated from the drainage channel 204, and the drainage channel 204 is in an open state. The marking liquid in the liquid storage cylinder 202 The marking liquid is discharged through the drainage channel 204. During the movement of the vehicle body 6, the marking liquid forms a corresponding track in the lane. According to the track information, the movement track of the vehicle body 6 in the lane can be accurately displayed and compared with the lane information recognized by the visual probe 4. When the vehicle body 6 is moved, the electric push rod 207 is contracted to drive the adjustment plate 206 to reset and move. At the same time, the top rod 211 is separated from the ground, and the reset spring 210 drives the limit block 208 to reset and move, and makes the sealing ball 205 fit tightly with the drainage channel 204. The sealing ball 205 seals the drainage channel 204 to prevent the marking liquid from overflowing.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dual-lane recognition vehicle-road cooperative intelligent vehicle, comprising a vehicle body (6), a visual probe (4) arranged on one side of the vehicle body (6), a first laser radar (5) and a second laser radar (7) arranged on both sides of the vehicle body (6), characterized in that: A cross frame (3) is arranged on the vehicle body (6), and a direction adjustment component (1) for adjusting the tracks of lanes of different specifications is arranged on the cross frame (3); The opposing adjustment component (1) comprises a bidirectional screw rod (104), the bidirectional screw rod (104) is arranged in a mounting groove (103), the mounting groove (103) is arranged on a cross frame (3), the bidirectional screw rod (104) is symmetrically provided with a first nut (101) and a second nut (106), the first nut (101) and the second nut (106) are respectively provided with a first support frame (102) and a second support frame (105), and the first support frame (102) and the second support frame (105) are both provided with a track marking component (2); Wherein, the bidirectional screw rod (104) is connected to the cross frame (3) via a driving structure.
2. According to claim 1, the vehicle-road cooperative intelligent car with dual lane recognition is characterized by: The driving structure comprises a first bevel gear (108), the first bevel gear (108) is arranged on a driving shaft of a driving motor (107), the driving motor (107) is arranged on a cross frame (3), the first bevel gear (108) is meshed with a second bevel gear (109), and the second bevel gear (109) is arranged on a bidirectional screw rod (104).
3. The vehicle-road cooperative intelligent car with dual lane recognition according to claim 1 is characterized by: A linear slider is disposed on both the first nut (101) and the second nut (106), and the linear slider is slidably disposed on a linear slide rail, and the linear slide rail is disposed in the mounting groove (103).
4. The vehicle-road cooperative intelligent car with dual lane recognition according to claim 1, characterized in that: The track marking assembly (2) comprises an electric push rod (207), the electric push rod (207) is embedded in the first support frame (102) and the second support frame (105), an adjustment plate (206) is arranged on the piston rod of the electric push rod (207), a liquid storage cylinder (202) is arranged on the adjustment plate (206), the liquid storage cylinder (202) is movably arranged in an adjustment port (203), the adjustment port (203) is arranged on the first support frame (102) and the second support frame (105), an infusion hose (201) is arranged on the liquid storage cylinder (202), the infusion hose (201) is connected to the liquid storage tank in the vehicle body (6), and an automatic sealing structure is arranged in the liquid storage cylinder (202).
5. The vehicle-road cooperative intelligent car with dual lane recognition according to claim 4 is characterized by: The automatic sealing structure comprises a liquid discharge channel (204), wherein the liquid discharge channel (204) is arranged at the bottom of the liquid storage cylinder (202), and a sealing ball (205) is arranged on one side of the liquid discharge channel (204), wherein the sealing ball (205) is used to control the opening and closing of the liquid discharge channel (204).
6. The vehicle-road cooperative intelligent car with dual lane recognition according to claim 5, characterized in that: A limit block (208) is arranged on the sealing ball (205), and the limit block (208) is movably arranged in a limit groove (209). The limit groove (209) is arranged on the liquid storage cylinder (202), and a return spring (210) is also arranged in the limit groove (209), and the return spring (210) is connected to the limit block (208).
7. The vehicle-road cooperative intelligent car with dual lane recognition according to claim 6, characterized in that: A push rod (211) is arranged on the sealing ball (205), and the push rod (211) passes through the drainage channel (204).
8. The vehicle-road cooperative intelligent car with dual lane recognition according to claim 7, characterized in that: A groove body (213) is arranged at the bottom of the push rod (211), and a ball (212) is arranged in the groove body (213).
Citation Information
Patent Citations
Lane departure recognition device
CN218481896U