A road traffic risk early warning device and method based on vehicle operation monitoring

Abstract

The present invention discloses a road traffic risk warning device and method based on vehicle operation monitoring, including a base, a fixing base, a central processing unit and an infrared imager: an angle adjustment component is arranged at the upper end of the base; a support base is arranged on the angle adjustment component, and the support base can realize angle adjustment under the drive of the angle adjustment component; a main display component is arranged above the support base, and a main driving component for driving the main display component to adjust the longitudinal height is arranged on the support base; a secondary driving component is arranged on the main driving component, and a secondary display component is arranged at the lower end of the secondary driving component to realize longitudinal height adjustment under the drive of the secondary driving component. The present invention has the following advantages and effects: the main display component and the secondary display component are arranged at the same time, so that drivers in vehicles of different heights can selectively observe; the main display component and the secondary display component can automatically adjust the tilt angle, which is convenient for the driver to observe.

Description

Technical Field

[0001] The present invention relates to the technical field of traffic warning equipment, and in particular to a road traffic risk warning device and method based on vehicle operation monitoring. Background Art

[0002] The traffic and road administration warning signal is a level 4 traffic and road administration warning that is activated when roads and subways are interrupted due to natural disasters or accidents. People will be able to receive warning information from the road administration department through radios or outdoor display screens. After searching, the patent document with the authorization announcement number CN217821840U discloses a road traffic risk warning device based on vehicle operation monitoring, including a base, two screw rods, a warning board, a display screen, a shell, a central processing unit and an infrared imager. The display screen is fixedly mounted on the front side of the warning board, the infrared imager is connected to the central processing unit, the central processing unit is fixedly connected to the shell, the shell is fixedly mounted on the top of the base, and the infrared imager is fixedly mounted on the top of the shell. Circular through holes are opened on both sides of the top of the base, and two screw rods are respectively rotatably mounted in the corresponding circular through holes. The outer side of the screw rod is threadedly connected with a movable plate, and the warning board is movably abutted against the side where the two movable plates are close to each other. The above patent sets up a display screen that can adjust its own height according to the height of the vehicle, which is more convenient for the driver to see and avoids missing road condition information; however, there are still the following defects: first, when vehicles of different heights pass by at the same time, the display screen in the above patent cannot be effectively adjusted. If it is raised, it is not conducive to the observation of the driver in the low-height vehicle, and if it is lowered, it is not conducive to the observation of the driver in the high-height vehicle, and there are contradictory limitations; second, the tilt angle of the display screen cannot be adjusted, and there is still a disadvantage of inconvenience for the driver to observe. Summary of the invention

[0003] The purpose of the present invention is to provide a road traffic risk warning device and method based on vehicle operation monitoring to solve the problems raised in the background technology.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] In order to achieve the above-mentioned object, the present invention provides a road traffic risk warning device based on vehicle operation monitoring, comprising a base as a bearing structure, a fixing seat fixedly arranged on the side of the base, a central processing unit arranged in the fixing seat, an infrared imager fixedly arranged on the upper end of the fixing seat, the infrared imager is connected to the central processing unit, the infrared imager scans the vehicle and forms an image, and then transmits it to the central processing unit to obtain the height information of the vehicle;

[0006] An angle adjustment component is provided at the upper end of the base;

[0007] A support base is arranged on the angle adjustment component, and the support base can realize angle adjustment under the drive of the angle adjustment component; a main display component is arranged above the support base, and the main display component includes a first display unit for display; a main driving component for driving the main display component to adjust the longitudinal height is arranged on the support base;

[0008] A secondary driving component is arranged on the main driving component, and a secondary display component driven by the secondary driving component to realize longitudinal height adjustment is arranged at the lower end of the secondary driving component. The secondary display component includes a second display unit for display.

[0009] The further configuration is that: extension sections are extended forward on both sides of the upper end of the base, and the angle adjustment assembly includes rotating seats fixedly arranged on the two extension sections respectively, a rotatable rotating shaft is sleeved between the two rotating seats, and the rotating shaft is provided with a bearing inside the rotating seat; two fixed arms are fixedly arranged on the rotating shaft, the two fixed arms are arranged at intervals, and are respectively arranged on the inner side close to the corresponding rotating seat, and the same horizontal support seat is fixedly arranged on the upper ends of the two fixed arms; horizontal fixing plates are fixedly arranged on both sides of the base, and a longitudinal driving cylinder is fixedly arranged on the fixing plates, and the output shaft of the driving cylinder is arranged upward; driving rods are fixedly arranged on both sides of the upper end of the support seat, and the other end of the driving rod is rotatably arranged on the output shaft of the driving cylinder, so that the support seat is driven to adjust its angle through the action of the driving cylinder.

[0010] The further arrangement is that: the main driving assembly comprises guide blocks fixedly arranged on both sides of the upper end of the supporting seat, the two guide blocks are arranged at intervals, and a longitudinal guide rod is fixedly arranged in each of the guide blocks, the two guide rods are sleeved with the same sliding frame, the sliding frame can perform longitudinal reciprocating movement along the guide rod, an upper end baffle is fixedly arranged at the upper ends of the two guide rods, and the upper end baffle can abut against the sliding frame to play the role of limiting the sliding frame; a screw rod is rotatably arranged at the central position of the upper end of the supporting seat, a rear end seat for the screw rod to pass through is fixedly arranged at the rear end of the sliding frame, a thread that forms a transmission with the screw rod is opened in the rear end seat, a driving motor is fixedly arranged at the upper end of the upper end baffle, the output shaft of the driving motor is fixed to the screw rod, and the sliding frame is driven to perform longitudinal reciprocating movement by the action of the driving motor;

[0011] The main display assembly is arranged on the sliding frame.

[0012] A further configuration is that: the number of the first display units is two, and the two first display units are respectively arranged on the left half and the right half of the sliding frame.

[0013] The further configuration is: the auxiliary driving assembly is arranged at the central position of the sliding frame, the auxiliary driving assembly includes a first bearing seat, a longitudinal first small cylinder is fixedly arranged on the first bearing seat, the output shaft of the first small cylinder extends out of the lower end of the first bearing seat, and a second bearing seat is fixedly arranged on the output shaft of the first small cylinder; a longitudinal second small cylinder is fixedly arranged on the second bearing seat, the output shaft of the second small cylinder extends out of the lower end of the second bearing seat, and a lower end extension plate is fixedly arranged on the output shaft of the second small cylinder; a lower end connecting block is fixedly arranged at the lower end of the lower end extension plate, and a left chamber and a right chamber are opened in the lower end connecting block , two left driving rods capable of laterally moving are arranged in the left chamber, a longitudinal left clamping block is fixedly arranged on the left driving rod, and a left clamping arm is fixedly arranged at the lower end of the left clamping block; two right driving rods capable of laterally moving are arranged in the right chamber, a longitudinal right clamping block is fixedly arranged on the right driving rod, and a right clamping arm is fixedly arranged at the lower end of the right clamping block, and a clamping cavity is formed between the left clamping arm and the right clamping arm; a first gas nozzle and a second gas nozzle communicating with the left chamber and the right chamber are respectively arranged on the lower end connecting block; the movement of the left clamping arm and the right clamping arm is controlled by injecting / extracting gas medium through the first gas nozzle and the second gas nozzle;

[0014] The second display unit is limited in the clamping cavity.

[0015] A further configuration is: two first guide columns are fixedly arranged on the second bearing seat, the first guide columns pass upward through the first bearing seat, and a first guide sleeve for the first guide columns to pass through is fixedly arranged on the first bearing seat; a second guide column is fixedly arranged at the central position of the lower end connecting block, the second guide column passes upward through the second bearing seat, and a second guide sleeve for the second guide column to pass through is fixedly arranged at the central position of the second bearing seat.

[0016] A further configuration is that: a plurality of damping inserts are regularly arranged on the surfaces of the right side of the left clamping arm and the left side of the right clamping arm;

[0017] The auxiliary display assembly also includes a display base plate, which is located in the clamping cavity and clamped by a left clamping arm and a right clamping arm. Both sides of the display base plate are provided with embedding grooves for embedding damping blocks; the second display unit is fixed on the display base plate.

[0018] In order to achieve the above object, the present invention also provides a road traffic risk early warning method based on vehicle operation monitoring, comprising the following steps:

[0019] Step S1, when a vehicle passes by, the infrared imager scans the vehicle and forms an image, the central processor calculates the height of the vehicle, and makes a primary adjustment and / or a secondary adjustment according to the height of the vehicle;

[0020] Step S2: When an adjustment is required, the central processing unit controls the drive motor to adjust the height of the sliding frame in a large range;

[0021] Step S3: When a secondary adjustment is required, the central processing unit controls the first small cylinder and / or the second small cylinder to perform a small height adjustment on the auxiliary display assembly;

[0022] Step S4: During the execution of step S2 and step S3, the central processing unit will also control the action of the driving cylinder according to the height of the vehicle to drive the support base to adjust the angle.

[0023] The beneficial effects of the present invention are:

[0024] 1. In the present invention, an infrared imager is provided. When a vehicle passes by, the infrared imager scans the vehicle and forms an image. The central processing unit calculates the height of the vehicle and makes a primary adjustment and / or a secondary adjustment according to the height of the vehicle. The primary adjustment is that the central processing unit controls the driving motor to make a large-scale height adjustment to the sliding frame. Since the main display assembly and the auxiliary display assembly are both arranged on the sliding frame, the main display assembly and the auxiliary display assembly can be driven to make a large-scale longitudinal height adjustment. The secondary adjustment is that the central processing unit controls the first small cylinder and / or the second small cylinder to make a small-scale height adjustment to the auxiliary display assembly. The small-scale adjustment has the advantage of fast adjustment response speed and can make timely adjustments to various vehicles traveling at high speeds. At the same time, in response to the existing problem that "when vehicles of different heights pass by at the same time, the display screen of the above patent cannot be effectively adjusted. If it is raised, it is not conducive to observation by drivers in low-height vehicles, and if it is lowered, it is not conducive to observation by drivers in high-height vehicles, and there are contradictory limitations", the solution of the present invention is to set a main display component and a sub-display component at the same time, the main display component is set on the sliding frame, and the sub-display component is set on the sub-drive component, and the sub-drive component is below the main display component, thereby allowing drivers in vehicles of different heights to selectively observe, and the actual performance effect is very good.

[0025] 2. In the present invention, the central processing unit will also control the movement of the driving cylinder according to the height of the vehicle to drive the support seat to adjust the angle, thereby adjusting the inclination angle of the main display component and the auxiliary display component together, allowing the driver to observe better and making driving more convenient and safer.

[0026] 3. In the present invention, the angle adjustment assembly includes a rotating seat and a rotating shaft. The two ends of the rotating shaft are respectively arranged in two rotating seats. Two fixed arms are arranged on the rotating shaft, and a support seat is arranged on the two fixed arms. A driving rod is fixedly arranged on the support seat. The other end of the driving rod is connected to the driving cylinder, so that the support seat can be driven to adjust the angle through the action of the driving cylinder. In the present invention, the main driving component includes a guide rod and a sliding frame arranged on the guide rod. The sliding frame can be driven by the driving motor to perform a large-scale longitudinal height adjustment, and the guide rod plays a limiting role.

[0027] 4. In the present invention, there are two first display units, which are respectively arranged on the left and right halves of the sliding frame, so that drivers in vehicles on both sides of the road can see more easily and clearly.

[0028] 5. In the present invention, the auxiliary driving assembly includes a first bearing seat, a second bearing seat and a lower extension plate. The output shaft of the first small cylinder on the first bearing seat is connected to the second bearing seat to achieve a small adjustment of the longitudinal position of the second bearing seat; the output shaft of the second small cylinder on the second bearing seat is connected to the lower extension plate to achieve a small adjustment of the longitudinal position of the lower extension plate. The adjustment stroke is increased by setting the first small cylinder and the second small cylinder to better achieve a small height fine-tuning of the auxiliary display assembly. A lower end connecting block is provided at the lower end of the lower extension plate, and the second display unit is clamped and fixed by the left clamping arm and the right clamping arm on the lower end connecting block, which has good stability; the drive of the left clamping arm and the right clamping arm is controlled by the first gas nozzle and the second gas nozzle to inject / extract the gas medium, which is very convenient.

[0029] 6. The arrangement of the first guide column and the second guide column in the present invention can improve the stability of the second bearing seat and the lower end extension plate during longitudinal movement.

[0030] 7. In the present invention, damping blocks are provided on the left clamping arm and the right clamping arm to improve the stability of the clamped display base plate; the second display unit is fixed on the display base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of an embodiment;

[0032] Figure 2 It is a partial structural schematic diagram of an embodiment;

[0033] Figure 3 for Figure 1 Enlarged view of part A in the middle;

[0034] Figure 4 for Figure 1 Enlarged view of part B in the middle.

[0035] In the figure: 11, base; 12, fixed seat; 13, central processing unit; 14, infrared imager; 21, support seat; 31, extension section; 32, rotating seat; 321, rotating shaft; 33, fixed arm; 34, fixed plate; 35, driving cylinder; 36, driving rod; 41, guide block; 42, guide rod; 43, sliding frame; 44, upper end baffle; 45, screw; 46, driving motor; 51, first display unit; 61, first bearing seat; 62, first small cylinder; 63, second bearing seat; 64. Second small cylinder; 65. Lower end extension plate; 66. Lower end connecting block; 671. Left drive rod; 672. Left clamping block; 673. Left clamping arm; 6733. Damping insert; 681. Right drive rod; 682. Right clamping block; 683. Right clamping arm; 69. Clamping cavity; 71. First air nozzle; 72. Second air nozzle; 811. First guide column; 812. First guide sleeve; 821. Second guide column; 822. Second guide sleeve; 91. Display base plate; 92. Second display unit. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0037] As attached Figures 1 to 4 As shown;

[0038] This embodiment discloses a road traffic risk warning device based on vehicle operation monitoring, including a base 11 as a bearing structure, a fixing seat 12 is fixedly arranged on the side of the base 11, a central processing unit 13 is arranged in the fixing seat 12, and an infrared imager 14 is fixedly arranged on the upper end of the fixing seat 12. The infrared imager 14 is connected to the central processing unit 13, and the infrared imager 14 scans the vehicle and forms an image, which is then transmitted to the central processing unit 13 to obtain the height information of the vehicle;

[0039] An angle adjustment component is provided at the upper end of the base 11;

[0040] A support base 21 is provided on the angle adjustment component, and the support base 21 can realize angle adjustment under the drive of the angle adjustment component; a main display component is provided above the support base 21, and the main display component includes a first display unit 51 for display; a main driving component for driving the main display component to adjust the longitudinal height is provided on the support base 21;

[0041] A secondary driving assembly is arranged on the main driving assembly, and a secondary display assembly driven by the secondary driving assembly to achieve longitudinal height adjustment is arranged at the lower end of the secondary driving assembly. The secondary display assembly includes a second display unit 92 for display.

[0042] Among them, extension sections 31 are extended forward on both sides of the upper end of the base 11, and the angle adjustment component includes a rotating seat 32 fixedly arranged on the two extension sections 31 respectively, a rotatable rotating shaft 321 is sleeved between the two rotating seats 32, and the rotating shaft 321 is provided with a bearing inside the rotating seat 32; two fixed arms 33 are arranged on the rotating shaft 321, the two fixed arms 33 are arranged at intervals, and are respectively arranged on the inner side close to the corresponding rotating seat 32, and the same horizontal support seat 21 is fixedly arranged on the upper ends of the two fixed arms 33; a horizontal fixing plate 34 is fixedly arranged on both sides of the base 11, and a longitudinal driving cylinder 35 is fixedly arranged on the fixing plate 34, and the output shaft of the driving cylinder 35 is arranged upward; a driving rod 36 is fixedly arranged on both sides of the upper end of the support seat 21, and the other end of the driving rod 36 is rotatably arranged on the output shaft of the driving cylinder 35, and the support seat 21 is driven by the action of the driving cylinder 35 to adjust the angle.

[0043] The main drive assembly includes guide blocks 41 fixedly arranged on both sides of the upper end of the support seat 21, the two guide blocks 41 are arranged at intervals, and a longitudinal guide rod 42 is fixedly arranged in each guide block 41, and the two guide rods 42 are sleeved with the same sliding frame 43, and the sliding frame 43 can perform longitudinal reciprocating movement along the guide rod 42, and an upper end baffle 44 is fixedly arranged at the upper ends of the two guide rods 42, and the upper end baffle 44 can abut against the sliding frame 43 to play the role of limiting the sliding frame 43; a screw rod 45 is rotatably arranged at the central position of the upper end of the support seat 21, and a rear end seat for the screw rod 45 to pass through is fixedly arranged at the rear end of the sliding frame 43, and a thread that forms a transmission with the screw rod 45 is opened in the rear end seat, and a driving motor 46 is fixedly arranged at the upper end of the upper end baffle 44, and the output shaft of the driving motor 46 is fixed to the screw rod 45, and the sliding frame 43 is driven to perform longitudinal reciprocating movement through the action of the driving motor 46;

[0044] The main display assembly is arranged on the sliding frame 43 .

[0045] There are two first display units 51 , and the two first display units 51 are respectively arranged at the left half and the right half of the sliding frame 43 .

[0046] Among them, the auxiliary driving assembly is arranged at the central position of the sliding frame 43, and the auxiliary driving assembly includes a first bearing seat 61, on which a longitudinal first small cylinder 62 is fixedly arranged, the output shaft of the first small cylinder 62 extends out of the lower end of the first bearing seat 61, and a second bearing seat 63 is fixedly arranged on the output shaft of the first small cylinder 62; a longitudinal second small cylinder 64 is fixedly arranged on the second bearing seat 63, the output shaft of the second small cylinder 64 extends out of the lower end of the second bearing seat 63, and a lower end extension plate 65 is fixedly arranged on the output shaft of the second small cylinder 64; a lower end extension plate 66 is fixedly arranged at the lower end of the lower end extension plate 65, and a left chamber and a right chamber are provided in the lower end connection block 66, and two transverse chambers are provided in the left chamber. A left driving rod 671 is movable, a longitudinal left clamping block 672 is fixedly provided on the left driving rod 671, and a left clamping arm 673 is fixedly provided at the lower end of the left clamping block 672; two right driving rods 681 that can move laterally are provided in the right chamber, a longitudinal right clamping block 682 is fixedly provided on the right driving rod 681, and a right clamping arm 683 is fixedly provided at the lower end of the right clamping block 682, and a clamping cavity 69 is formed between the left clamping arm 673 and the right clamping arm 683; a first gas nozzle 71 and a second gas nozzle 72 that are communicated with the left chamber and the right chamber are respectively provided on the lower end connecting block 66; the movement of the left clamping arm 673 and the right clamping arm 683 is controlled by injecting / extracting gas medium through the first gas nozzle 71 and the second gas nozzle 72;

[0047] The auxiliary display assembly is confined in the clamping cavity 69 .

[0048] Among them, two first guide columns 811 are fixedly arranged on the second bearing seat 63, the first guide column 811 passes through the first bearing seat 61 upward, and a first guide sleeve 812 is fixedly arranged on the first bearing seat 61 for the first guide column 811 to pass through; a second guide column 821 is fixedly arranged at the central position of the lower end connecting block 66, the second guide column 821 passes through the second bearing seat 63 upward, and a second guide sleeve 822 is fixedly arranged at the central position of the second bearing seat 63 for the second guide column 821 to pass through.

[0049] Among them, the right side of the left clamping arm 673 and the left side of the right clamping arm 683 are regularly provided with a plurality of damping inserts 6733;

[0050] The auxiliary display assembly also includes a display base plate 91, which is located in the clamping cavity 69 and clamped by the left clamping arm 673 and the right clamping arm 683. Both sides of the display base plate 91 are provided with embedding grooves for the damping block 6733 to be embedded; the second display unit 92 is fixed on the display base plate 91.

[0051] It should be noted that, in this embodiment, the first display unit 51 and the second display unit 92 are both display screens.

[0052] This embodiment also discloses a road traffic risk early warning method based on vehicle operation monitoring, comprising the following steps:

[0053] Step S1, when a vehicle passes by, the infrared imager 14 scans the vehicle and forms an image, the central processor 13 calculates the height of the vehicle, and makes a primary adjustment and / or a secondary adjustment according to the height of the vehicle;

[0054] Step S2, when an adjustment is required, the central processing unit 13 controls the driving motor 46 to adjust the height of the sliding frame 43 in a large range;

[0055] Step S3, when a secondary adjustment is required, the central processor 13 controls the first small cylinder 62 and / or the second small cylinder 64 to perform a small height adjustment on the auxiliary display assembly;

[0056] Step S4: During the execution of step S2 and step S3, the CPU 13 will also control the driving cylinder 35 to move according to the height of the vehicle to drive the support base 21 to adjust the angle.

[0057] The working principle of this embodiment is:

[0058] When a vehicle passes by, the infrared imager 14 scans the vehicle and forms an image, and the central processor 13 calculates the height of the vehicle and makes a primary adjustment and / or a secondary adjustment according to the height of the vehicle. The primary adjustment is that the central processor 13 controls the drive motor 46 to make a large-scale height adjustment to the sliding frame 43. Since both the main display component and the auxiliary display component are arranged on the sliding frame 43, the main display component and the auxiliary display component can be driven to make a large-scale longitudinal height adjustment; the secondary adjustment is that the central processor 13 controls the first small cylinder 62 and / or the second small cylinder to make a small-scale height adjustment to the auxiliary display component. The small-scale adjustment has the advantage of fast adjustment response speed and can make timely adjustments to various vehicles traveling at high speeds.

[0059] In this embodiment, a main display assembly and a sub-display assembly are provided at the same time. The main display assembly is provided on the sliding frame 43, while the sub-display assembly is provided on the sub-drive assembly, and the sub-drive assembly is located below the main display assembly. This allows drivers in vehicles of different heights to selectively observe, and the actual performance effect is very good.

[0060] In this embodiment, the central processor 13 will also control the movement of the driving cylinder 35 according to the height of the vehicle to drive the support base 21 to adjust the angle, thereby adjusting the inclination angle of the main display component and the auxiliary display component together, allowing the driver to observe better and making driving more convenient and safer for the driver.

[0061] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A road traffic risk warning device based on vehicle operation monitoring, comprising a base as a bearing structure, a fixed seat fixedly arranged on the side of the base, a central processing unit arranged in the fixed seat, an infrared imager fixedly arranged on the upper end of the fixed seat, the infrared imager is connected to the central processing unit, the infrared imager scans the vehicle and forms an image, and then transmits it to the central processing unit to obtain the height information of the vehicle; characterized in that: An angle adjustment component is provided at the upper end of the base; A support base is arranged on the angle adjustment component, and the support base can realize angle adjustment under the drive of the angle adjustment component; a main display component is arranged above the support base, and the main display component includes a first display unit for display; a main driving component for driving the main display component to adjust the longitudinal height is arranged on the support base; A secondary driving assembly is arranged on the main driving assembly, and a secondary display assembly driven by the secondary driving assembly to realize longitudinal height adjustment is arranged at the lower end of the secondary driving assembly, and the secondary display assembly includes a second display unit for display; The main drive assembly includes guide blocks fixedly arranged on both sides of the upper end of the support seat, the two guide blocks are arranged at intervals, and a longitudinal guide rod is fixedly arranged in each guide block, and the same sliding frame is sleeved on the two guide rods; The number of the first display units is two, and the two first display units are respectively arranged on the left half and the right half of the sliding frame; The auxiliary driving assembly is arranged at the central position of the sliding frame.

2. A road traffic risk warning device based on vehicle operation monitoring according to claim 1, characterized in that: Extension sections are extended forward on both sides of the upper end of the base, and the angle adjustment assembly includes a rotating seat fixedly arranged on the two extension sections respectively, a rotatable rotating shaft is sleeved between the two rotating seats, and the rotating shaft is provided with a bearing inside the rotating seat; two fixed arms are fixedly arranged on the rotating shaft, the two fixed arms are arranged at intervals and are respectively arranged on the inner side close to the corresponding rotating seat, and the same horizontal support seat is fixedly arranged on the upper ends of the two fixed arms; horizontal fixing plates are fixedly arranged on both sides of the base, and a longitudinal driving cylinder is fixedly arranged on the fixing plates, and the output shaft of the driving cylinder is arranged upward; driving rods are fixedly arranged on both sides of the upper end of the support seat, and the other end of the driving rod is rotatably arranged on the output shaft of the driving cylinder, so that the support seat is driven to adjust its angle through the action of the driving cylinder.

3. A road traffic risk warning device based on vehicle operation monitoring according to claim 2, characterized in that: The sliding frame can be reciprocated longitudinally along the guide rod, and an upper end baffle is fixedly provided at the upper ends of the two guide rods, and the upper end baffle can resist the sliding frame to play the role of limiting the sliding frame; a screw rod is rotatably provided at the central position of the upper end of the support seat, and a rear end seat for the screw rod to pass through is fixedly provided at the rear end of the sliding frame, and a thread that forms a transmission with the screw rod is provided in the rear end seat, and a driving motor is fixedly provided at the upper end of the upper end baffle, and the output shaft of the driving motor is fixed to the screw rod, and the sliding frame is driven to reciprocate longitudinally through the action of the driving motor; The main display assembly is arranged on the sliding frame.

4. A road traffic risk warning device based on vehicle operation monitoring according to claim 1, characterized in that: The auxiliary driving assembly includes a first bearing seat, on which a first longitudinal small cylinder is fixedly arranged, the output shaft of the first small cylinder extends out of the lower end of the first bearing seat, and a second bearing seat is fixedly arranged on the output shaft of the first small cylinder; a second longitudinal small cylinder is fixedly arranged on the second bearing seat, the output shaft of the second small cylinder extends out of the lower end of the second bearing seat, and a lower end extension plate is fixedly arranged on the output shaft of the second small cylinder; a lower end connecting block is fixedly arranged at the lower end of the lower end extension plate, a left chamber and a right chamber are provided in the lower end connecting block, and two A left driving rod capable of laterally movement, a longitudinal left clamping block is fixedly arranged on the left driving rod, and a left clamping arm is fixedly arranged at the lower end of the left clamping block; two right driving rods capable of laterally movement are arranged in the right chamber, a longitudinal right clamping block is fixedly arranged on the right driving rod, and a right clamping arm is fixedly arranged at the lower end of the right clamping block, and a clamping cavity is formed between the left clamping arm and the right clamping arm; a first gas nozzle and a second gas nozzle which are in communication with the left chamber and the right chamber are respectively arranged on the lower end connecting block; the movement of the left clamping arm and the right clamping arm is controlled by injecting / extracting gas medium through the first gas nozzle and the second gas nozzle; The auxiliary display assembly is limited in the clamping cavity.

5. A road traffic risk warning device based on vehicle operation monitoring according to claim 4, characterized in that: Two first guide columns are fixedly arranged on the second bearing seat, the first guide columns pass through the first bearing seat upward, and a first guide sleeve for the first guide columns to pass through is fixedly arranged on the first bearing seat; a second guide column is fixedly arranged at the central position of the lower end connecting block, the second guide column passes through the second bearing seat upward, and a second guide sleeve for the second guide column to pass through is fixedly arranged at the central position of the second bearing seat.

6. A road traffic risk warning device based on vehicle operation monitoring according to claim 4, characterized in that: The surfaces of the right side of the left clamping arm and the left side of the right clamping arm are regularly provided with a plurality of damping inserts; The auxiliary display assembly also includes a display base plate, which is located in the clamping cavity and clamped by a left clamping arm and a right clamping arm. Both sides of the display base plate are provided with embedding grooves for embedding damping blocks; the second display unit is fixed on the display base plate.

7. A road traffic risk warning method based on vehicle operation monitoring, applied to the road traffic risk warning device based on vehicle operation monitoring according to any one of claims 1 to 6, characterized in that: The following steps are included: Step S1, when a vehicle passes by, the infrared imager scans the vehicle and forms an image, the central processor calculates the height of the vehicle, and makes a primary adjustment and / or a secondary adjustment according to the height of the vehicle; Step S2: When an adjustment is required, the central processing unit controls the drive motor to adjust the height of the sliding frame in a large range; Step S3: When a secondary adjustment is required, the central processing unit controls the first small cylinder and / or the second small cylinder to perform a small height adjustment on the auxiliary display assembly; Step S4: During the execution of step S2 and step S3, the central processing unit will also control the action of the driving cylinder according to the height of the vehicle to drive the support base to adjust the angle.

Images