A road condition detection method and system based on intelligent road studs

Abstract

A road condition detection method and system based on intelligent road spikes, including a number of road spike units arranged adjacently, wherein the road spike units include a number of sub-road spikes arranged in the manner of road guide lines and a local service unit connected to the sub-road spikes by signal; the sub-road spikes are distributed in a grid-like manner, so that the sub-road spikes can obtain the driving data of the vehicle when it is traveling on the road; a control unit is used to exchange information with the local service unit and the monitoring unit, and control the sub-road spikes through the local service unit; the monitoring unit is used to perform tracking video monitoring of the abnormal driving section of the vehicle according to the information provided by the control unit. The present application adopts sub-road spikes to form a road spike unit, and uses the sub-road spikes to detect the driving position of the vehicle, and then accumulates the trajectory according to these positions and times, and then uses the road spike unit to combine the entire trajectory as driving data, which can be used to calculate the driving speed, line-crossing conditions, etc.

Description

Technical Field

[0001] The present application relates to a road condition detection method and system based on intelligent road studs. Background Art

[0002] Road spikes are a common type of traffic barrier used to guide people to drive in the right direction, prevent speeding and traffic accidents, and are mainly used on roads and railways. On highways, due to the high speed of vehicles, guide lines are generally used instead of road spike structures for guidance. However, with the introduction of concepts such as smart highways, various types of signal acquisition mechanisms need to be set up. Since road spikes themselves are on the vehicle's driving route, they have certain advantages. Therefore, setting road spikes on highways as nodes of the Internet of Things has also become one of the research hotspots. The realization of this function requires relying on two aspects. On the one hand, the stable setting of road spikes, and on the other hand, the functional expansion of road spikes. Summary of the invention

[0003] In order to solve the above problems, the present application proposes a road condition detection system based on intelligent road spikes, including a plurality of road spike units arranged adjacent to each other, wherein the road spike units include a plurality of sub-road spikes arranged in a road guide line manner and a local service unit connected to the sub-road spikes by signal; the sub-road spikes are distributed in a grid-like manner, so that the sub-road spikes can obtain driving data of vehicles when driving on the road;

[0004] A control unit, used to exchange information with the local service unit and the monitoring unit, and control the sub-road spikes through the local service unit;

[0005] The monitoring unit is used to perform tracking video monitoring of the abnormal driving section of the vehicle according to the information provided by the control unit. This application uses sub-road spikes to form a road spike unit, and uses the sub-road spikes to detect the position of the vehicle, and then accumulates the trajectory according to these positions and times, and then uses the road spike unit to combine the entire trajectory as driving data, which can be used to calculate the driving speed, line crossing, etc. The control unit and the monitoring unit are off-ground facilities. The control unit integrates the data, and the monitoring unit obtains further evidence of photos or videos.

[0006] Preferably, a monitoring component is provided in the sub-road spike, and the driving data of vehicles around the sub-road spike is detected by the monitoring component, and then the driving data is transmitted to the local service unit via Bluetooth transmission;

[0007] The local service unit obtains the driving status of the vehicle according to the driving data of the vehicle and transmits the driving status to the control unit via NB-IoT transmission;

[0008] The control unit makes a judgment based on the driving state. For a road section with abnormal driving state, the monitoring unit is called to conduct timely tracking video monitoring of the road section. The control unit can also be used to set the color of the sub-road spikes in the road spike unit to divert vehicles.

[0009] The monitoring component includes a three-axis geomagnetic sensor for detecting driving data, a solar panel for power supply, and a Bluetooth information transmitter for information transmission.

[0010] Preferably, the number of lanes of a road using road spike units is not less than two, the sub-road spikes are arranged in a diamond shape, the distance between adjacent sub-road spikes is 5-10m, and auxiliary lines are arranged between the sub-road spikes on the same road guide line.

[0011] Preferably, the sub-road spike includes a support plate, an isolation plate is arranged in the middle of the support plate, a storage space for accommodating the monitoring component is arranged on the upper part of the isolation plate, and a protective cover plate is arranged on the support plate above the storage space; a plug-in through hole is arranged in the middle of the isolation plate, a plug-in connecting rod is arranged in the plug-in through hole, a plug-in connecting rod is arranged on the side adjacent to the storage space, and a clamping edge is arranged on the upper part of the plug-in through hole, the plug-in connecting rod is hollowed to form a hollow pipe, and a bonding block formed by pouring a bonding medium is arranged on the plug-in connecting rod, and the bonding block is distributed in the hollow pipe of the plug-in connecting rod and in the space between the plug-in connecting rod and the external support body. The present application adopts the method of bonding the plug-in connecting rod, which can improve the structural stability of the plug-in connecting rod itself, so that it can be used for a longer time, and it is not easy to have undesirable phenomena such as shaking during use. In addition, the present application adopts the plug-in connecting rod as the main connecting part, and then arranges the support plate and the isolation plate to complete the overall connection, which greatly reduces the complexity of the overall structure while ensuring the connection stability.

[0012] Preferably, the plug-in connecting rod includes a central tube body located in the middle, the middle of the central tube body forms a hollow pipe, a plurality of auxiliary connecting ribs are arranged on the side of the central tube body, and the clamping edge is arranged on the top of the central tube body; a plurality of reinforcing protrusions are arranged on the side of the clamping edge away from the central tube body. The present application adopts a structure of a hollow tube body and auxiliary connecting ribs, and the middle tube body is also immersed in a bonding medium to strengthen the connection, while the auxiliary connecting ribs on the outside can promote the connection. In addition, this structure has a certain degree of follow-up with the bonding medium, so that during the curing process of the bonding medium, there will be no defective connection between the central tube body and the auxiliary connecting ribs.

[0013] Preferably, a threaded connecting rod is arranged in the middle part of the clamping edge, and the isolation plate is threadedly connected to the threaded connecting rod; a support ring is also arranged on the outer side of the plug-in connecting rod, and the support ring is arranged below the isolation plate, and the support plate is clamped between the support ring and the isolation plate; an inlet through hole is arranged at the bottom of the central tube body, and a plurality of spaced inclined baffles are arranged on the inner side of the inlet through hole.

[0014] Preferably, the support plate includes an upper support ring and a lower support ring, a retracted portion is arranged between the upper support ring and the lower support ring, a middle luminous portion is arranged on the retracted portion, and a cross-sectional area of ​​the retracted portion is smaller than a cross-sectional area of ​​the lower support ring and the lower support ring.

[0015] Preferably, the protective cover plate comprises a connecting ring fixedly connected to the upper supporting ring, an arc-shaped cover plate is arranged on the connecting ring, and an upper light-emitting portion is arranged on the arc-shaped cover plate.

[0016] Preferably, the bonding medium comprises the following raw materials in mass parts: cement: 5-10 parts; rubber powder: 1-3 parts; iron oxide: 0.2-0.4 parts; short-cut fiber: 1-3 parts; carbon black: 0.8-1.5 parts; the water-cement ratio of the bonding medium is 0.4-0.5. The bonding medium of the present application needs to have the advantages of low cost, good bonding performance, fast curing speed, etc. In addition, considering its use environment, it needs to have good impact resistance to ensure normal use.

[0017] On the other hand, the present application also proposes a road condition detection method based on intelligent road studs, comprising the following steps:

[0018] Arrange the spike units according to the monitoring location;

[0019] The sub-spikes in the spike unit detect the driving data of surrounding vehicles, and then transmit the driving data to the local service unit of the spike unit through Bluetooth transmission; the local service unit obtains the driving status of the vehicle according to the driving data of the vehicle and transmits the driving status to the control unit through NB-IoT transmission;

[0020] The control unit makes a judgment based on the driving status. For sections with abnormal driving status, the monitoring unit is called to conduct timely tracking video monitoring of the section, and the color setting of the sub-road studs is set through the road stud unit to divert vehicles.

[0021] The present application can bring the following beneficial effects: the present application adopts sub-road spikes to form a road spike unit, and uses the sub-road spikes to detect the position of the vehicle, and then accumulates the trajectory according to these positions and times, and then uses the road spike unit to combine the entire trajectory as driving data, which can be used to calculate the driving speed, line crossing conditions, etc. The control unit and the monitoring unit are off-ground facilities, the control unit integrates the data, and the monitoring unit obtains further forensic evidence in the form of photos or videos. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0023] Figure 1 It is a schematic diagram of Example 1;

[0024] Figure 2 is a schematic diagram of Example 2;

[0025] Figure 3 This is a schematic diagram of the structure of a sub-road spike. DETAILED DESCRIPTION

[0026] In order to clearly illustrate the technical features of this solution, this application is elaborated in detail below through specific implementation methods.

[0027] In the first embodiment, if Figure 1 As shown, a road condition detection system based on intelligent road spikes includes a plurality of road spike units 101 arranged adjacent to each other, wherein the road spike units 101 include a plurality of sub-road spikes 102 arranged in a road guide line manner and a local service unit 103 in signal communication with the sub-road spikes 102; the sub-road spikes 102 are distributed in a grid-like manner, so that the sub-road spikes 102 can obtain driving data of vehicles when driving on the road;

[0028] The sub-road spike 102 is provided with a monitoring component, and the driving data of vehicles around the sub-road spike 102 is detected by the monitoring component, and then the driving data is transmitted to the local service unit 103 via Bluetooth transmission;

[0029] The local service unit 103 obtains the driving state of the vehicle according to the driving data of the vehicle and transmits the driving state to the control unit 104 via NB-IoT transmission;

[0030] The number of lanes of the road using the road spike unit 101 is not less than two, and the sub-road spikes 102 are arranged in a diamond shape; the distance between adjacent sub-road spikes 102 is 5-10m; and auxiliary lines are arranged between the sub-road spikes 102 on the same road guide line.

[0031] The control unit 104 is used to exchange information with the local service unit 103 and the monitoring unit 105, and control the sub-road spike 102 through the local service unit 103;

[0032] The control unit 104 makes a judgment based on the driving state. For a road section with abnormal driving state, the monitoring unit (not shown in the figure) is called to conduct timely tracking video monitoring of the road section. The control unit 104 can also be used to set the color of the sub-road spike 102 in the road spike unit 101 to divert vehicles.

[0033] The monitoring component includes a three-axis geomagnetic sensor for detecting driving data, a solar panel for power supply, and a Bluetooth information transmitter for information transmission.

[0034] The monitoring unit (not shown in the figure) is used to perform tracking video monitoring of the vehicle's abnormal driving section based on the information provided by the control unit 104.

[0035] In the second embodiment, if Figure 2 As shown, a road condition detection method based on intelligent road studs includes the following steps:

[0036] S201. Arrange the spike unit according to the monitoring position;

[0037] S202. Using the sub-spigot in the spike unit to detect the driving data of the surrounding vehicles, and then transmitting the driving data to the local service unit of the spike unit via Bluetooth transmission;

[0038] S203. The local service unit obtains the driving status of the vehicle according to the driving data of the vehicle and transmits the driving status to the control unit via NB-IoT transmission;

[0039] S204. The control unit makes a judgment based on the driving status. For a road section with abnormal driving status, the control unit calls the monitoring unit to conduct timely tracking video monitoring of the road section, and sets the color of the sub-road studs through the road stud unit to divert vehicles.

[0040] In a third embodiment, if Figure 3The sub-road spike comprises a support plate 1, an isolation plate 2 is arranged in the middle of the support plate 1, a receiving space 3 for receiving a monitoring component is arranged on the upper part of the isolation plate 2, and a protective cover plate 4 is arranged on the support plate 1 and located above the receiving space 3; an insertion through hole 5 is arranged in the middle of the isolation plate 2, an insertion connecting rod 6 is arranged in the insertion through hole 5, a clamping edge 7 which is clamped on the upper part of the insertion through hole 5 is arranged on the side of the insertion connecting rod 6 adjacent to the receiving space 3, the insertion connecting rod 6 is hollow to form a hollow pipe 8, and a bonding block 9 formed by casting a bonding medium is arranged on the insertion connecting rod 6, and the bonding blocks 9 are distributed in the hollow pipe 8 of the insertion connecting rod 6 and in the space between the insertion connecting rod 6 and the external support body 10. The plug-in connecting rod 6 includes a central tube body 11 located in the middle, a hollow pipe 8 is formed in the middle of the central tube body 11, a plurality of auxiliary connecting ribs are arranged on the side of the central tube body 11, and a clamping edge 7 is arranged at the top of the central tube body 11; a plurality of reinforcing protrusions are arranged on the side of the clamping edge away from the central tube body 11. A threaded connecting rod 12 is arranged in the middle of the clamping edge 7, and the isolation plate 2 is threadedly connected to the threaded connecting rod 12. A support ring 13 is also arranged on the outside of the plug-in connecting rod 6, and the support ring 13 is arranged below the isolation plate 2, and the support plate 1 is clamped and arranged between the support ring 13 and the isolation plate 2. An introduction through hole 14 is arranged at the bottom of the central tube body 11, and a plurality of oblique baffles 15 arranged at intervals are arranged on the inner side of the introduction through hole 14. The support plate 1 includes an upper support ring 21 and a lower support ring 22, a retracted portion 16 is provided between the upper support ring 21 and the lower support ring 22, a middle light emitting portion 17 is provided on the retracted portion 16, and a cross-sectional area of ​​the retracted portion 16 is smaller than a cross-sectional area of ​​the lower support ring 22 and the lower support ring 22. The protective cover plate 4 includes a connecting ring 18 fixedly connected to the upper support ring 21, an arc-shaped cover plate 19 is provided on the connecting ring 18, and an upper light emitting portion 20 is provided on the arc-shaped cover plate 19.

[0041] When in use, select an auxiliary road connected to the main road and set 6 sub-road spikes. The positions of these 6 sub-road spikes are set adjacent to each other, and the adjacent distance is as far as possible to make them have the same test conditions.

[0042] Firstly, cement, rubber powder, iron oxide, chopped fibers, carbon black and water are mixed to obtain a bonding medium;

[0043] An installation hole is set at the installation position of the sub-road spike to form an external support body 10, the diameter of the installation hole is 50 mm, and the installation hole is opened on the asphalt-based road;

[0044] Pour the bonding medium into the mounting hole to a height that is 60% of the mounting hole height;

[0045] Set the plug-in connecting rod into the bonding medium and maintain it for more than 8 hours;

[0046] Then, the support plate 1 is clamped by using the support ring and the isolation plate 2, and then a protective cover plate is clamped on the support plate 1 to complete the installation.

[0047] In order to characterize the effects of the various components of the bonding medium, different bonding media were selected at different spike locations, and then the duration of their loosening was observed:

[0048] In the first spike:

[0049] The bonding medium includes the following raw materials in mass fractions: cement: 500 g; rubber powder: 100 g; iron oxide: 20 g; short-cut fiber: 100 g; carbon black: 80 g; the water-cement ratio of the bonding medium is 0.5. Visible loosening was observed after 182 days of use.

[0050] In the second spike:

[0051] The bonding medium comprises the following raw materials in mass fractions: cement: 1000 g; rubber powder: 300 g; iron oxide: 40 g; short-cut fiber: 300 g; carbon black: 150 g; the water-cement ratio of the bonding medium is 0.4. Visible loosening was observed after 160 days of use.

[0052] In the third spike:

[0053] The bonding medium comprises the following raw materials in mass fractions: cement: 800 g; rubber powder: 200 g; iron oxide: 30 g; short-cut fiber: 200 g; carbon black: 120 g; the water-cement ratio of the bonding medium is 0.45. Visible loosening was observed after 175 days of use.

[0054] In the fourth spike:

[0055] The bonding medium comprises the following raw materials in mass fractions: cement: 800 g; rubber powder: 200 g; iron oxide: 30 g; carbon black: 120 g; the water-cement ratio of the bonding medium is 0.45. Visible loosening was observed after 59 days of use.

[0056] In the fifth spike:

[0057] The bonding medium comprises the following raw materials in mass fractions: cement: 800 g; rubber powder: 200 g; iron oxide: 30 g; short-cut fiber: 200 g; the water-cement ratio of the bonding medium is 0.45. Visible loosening was observed after 92 days of use.

[0058] In the sixth spike:

[0059] The bonding medium comprises the following raw materials in mass fractions: cement: 800 g; rubber powder: 200 g; short-cut fiber: 200 g; carbon black: 120 g; the water-cement ratio of the bonding medium is 0.45. Visible loosening was observed after 71 days of use.

[0060] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A road condition detection system based on intelligent road spikes, characterized in that: The road spike unit comprises a plurality of adjacently arranged road spike units, wherein the road spike unit comprises a plurality of sub-road spikes arranged in a road guide line manner and a local service unit in signal communication with the sub-road spikes; the sub-road spikes are distributed in a grid-like manner so that the sub-road spikes can obtain driving data of vehicles when driving on the road; A control unit, used to exchange information with the local service unit and the monitoring unit, and control the sub-road spikes through the local service unit; A monitoring unit, used for tracking video monitoring of the abnormal driving section of the vehicle according to the information provided by the control unit; The sub-road spike comprises a support plate, an isolation plate is arranged in the middle of the support plate, a storage space for accommodating the monitoring component is arranged on the upper part of the isolation plate, and a protective cover plate located above the storage space is arranged on the support plate; a plug-in through hole is arranged in the middle of the isolation plate, a plug-in connecting rod is arranged in the plug-in through hole, a plug-in connecting rod is arranged on one side of the plug-in connecting rod adjacent to the storage space, and a clamping edge clamped on the upper part of the plug-in through hole is arranged, the plug-in connecting rod is hollow to form a hollow pipe, and a bonding block formed by casting a bonding medium is arranged on the plug-in connecting rod, and the bonding block is distributed in the hollow pipe of the plug-in connecting rod and in the space between the plug-in connecting rod and the external support body; The plug-in connecting rod includes a central tube body located in the middle, a hollow pipe is formed in the middle of the central tube body, a plurality of auxiliary connecting ribs are arranged on the side of the central tube body, a clamping edge is arranged on the top of the central tube body; a plurality of reinforcing protrusions are arranged on the side of the clamping edge away from the central tube body.

2. The road condition detection system based on intelligent road spikes according to claim 1, characterized in that: The sub-road stud is provided with a monitoring component, and the driving data of vehicles around the sub-road stud is detected by the monitoring component, and then the driving data is transmitted to the local service unit through Bluetooth transmission; The local service unit obtains the driving status of the vehicle according to the driving data of the vehicle and transmits the driving status to the control unit via NB-IoT transmission; The control unit makes a judgment based on the driving state. For a road section with abnormal driving state, the monitoring unit is called to conduct timely tracking video monitoring of the road section. The control unit can also be used to set the color of the sub-road spikes in the road spike unit to divert vehicles. The monitoring component includes a three-axis geomagnetic sensor for detecting driving data, a solar panel for power supply, and a Bluetooth information transmitter for information transmission.

3. The road condition detection system based on intelligent road spikes according to claim 2 is characterized in that: The number of lanes of a road using road spike units is not less than two, and the sub-road spikes are arranged in a diamond pattern; the distance between adjacent sub-road spikes is 5-10m; and auxiliary lines are arranged between the sub-road spikes on the same road guide line.

4. The road condition detection system based on intelligent road spikes according to claim 1, characterized in that: A threaded connecting rod is arranged in the middle of the clamping edge, and the isolation plate is threadably connected to the threaded connecting rod; a support ring is also arranged on the outer side of the plug-in connecting rod, and the support ring is arranged below the isolation plate, and the support plate is clamped and arranged between the support ring and the isolation plate; an inlet through hole is arranged at the bottom of the central tube body, and a plurality of spaced inclined baffles are arranged on the inner side of the inlet through hole.

5. The road condition detection system based on intelligent road spikes according to claim 1, characterized in that: The support plate includes an upper support ring and a lower support ring, a retracted portion is arranged between the upper support ring and the lower support ring, a middle luminous portion is arranged on the retracted portion, and the cross-sectional area of ​​the retracted portion is smaller than the cross-sectional area of ​​the lower support ring.

6. A road condition detection system based on intelligent road spikes according to claim 5, characterized in that: The protective cover plate comprises a connecting ring fixedly connected with the upper supporting ring, an arc-shaped cover plate is arranged on the connecting ring, and an upper light-emitting part is arranged on the arc-shaped cover plate.

7. The road condition detection system based on intelligent road spikes according to claim 1, characterized in that: The bonding medium comprises the following raw materials in parts by weight: 5-10 parts of cement; 1-3 parts of rubber powder; Iron oxide: 0.2-0.4 parts; chopped fiber: 1-3 parts; Carbon black: 0.8-1.5 parts; the water-cement ratio of the bonding medium is 0.4-0.

5.

8. A detection method using a road condition detection system based on intelligent road spikes according to any one of claims 1 to 7, characterized in that: The steps include: Arrange the spike units according to the monitoring location; The sub-spikes in the spike unit detect the driving data of surrounding vehicles, and then transmit the driving data to the local service unit of the spike unit through Bluetooth transmission; the local service unit obtains the driving status of the vehicle according to the driving data of the vehicle and transmits the driving status to the control unit through NB-IoT transmission; The control unit makes a judgment based on the driving status. For sections with abnormal driving status, the monitoring unit is called to conduct timely tracking video monitoring of the section, and the color setting of the sub-road studs is set through the road stud unit to divert vehicles.

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