CN212083661U - Dual-mode road condition early warning system based on radar - Google Patents
Dual-mode road condition early warning system based on radar Download PDFInfo
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- CN212083661U CN212083661U CN201921158016.XU CN201921158016U CN212083661U CN 212083661 U CN212083661 U CN 212083661U CN 201921158016 U CN201921158016 U CN 201921158016U CN 212083661 U CN212083661 U CN 212083661U
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Abstract
The utility model discloses a bimodulus road conditions early warning system based on radar, include: smoke transducer, laser radar, millimeter wave radar, central processing unit and driver terminal, wherein, smoke transducer is fixed in the outside of automobile body, laser radar and millimeter wave radar are all fixed to be set up in the roof, be used for respectively to regional launch light wave and the electromagnetic wave of road surface in car the place ahead, central processing unit is used for according to smoke concentration information, the operating condition of switching laser radar and millimeter wave radar, and utilize the distance information that laser radar or millimeter wave radar that are in operating condition obtained to judge road conditions information, and send the judged result to driver terminal, driver terminal basis the judged result is for the driver with the suggestion. This bimodulus road conditions early warning system based on radar is rational in infrastructure, and the hardware module that adopts is current module, and the data that will detect can obtain road conditions information after comparing with the rule of predetermineeing with the advantage of make full use of laser radar and millimeter wave radar.
Description
Technical Field
The utility model relates to a road conditions early warning field provides a bimodulus road conditions early warning system based on radar very much.
Background
Along with the improvement of people's living standard, not only consider safe convenience to the requirement of trip, will pursue the comfort more, however the pothole of road, hug can directly influence driver's comfort to, under the very fast condition of the speed of a motor vehicle, still can lead to blowing out, and then cause the traffic accident.
Therefore, the development of a road condition early warning system to pre-judge potholes, hugs and obstacles on the road ahead of the vehicle is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a bimodulus road conditions early warning system based on radar to solve the problem that can't realize the accurate prejudgement of road conditions.
The utility model provides a technical scheme is: bimodulus road conditions early warning system based on radar includes: the smoke sensor, the laser radar, the millimeter wave radar, the central processing unit and the driver terminal are all connected with the central processing unit, the smoke sensor is fixed outside the vehicle body and used for detecting smoke concentration information of an external environment and sending the smoke concentration information to the central processing unit, the laser radar and the millimeter wave radar are both fixedly arranged on the roof and respectively used for emitting light waves and electromagnetic waves to a road surface area in front of the vehicle and sending the obtained distance information to the central processing unit, the central processing unit is used for switching the working states of the laser radar and the millimeter wave radar according to the received smoke concentration information, judging road condition information by utilizing the distance information obtained by the laser radar or the millimeter wave radar in the working state and sending the judgment result to the driver terminal, and the driver terminal gives a prompt to the driver according to the judgment result.
Preferably, the driver terminal comprises a road three-dimensional map reconstruction module and a display, wherein the road three-dimensional map reconstruction module is used for simulating a road three-dimensional map according to distance information obtained by a laser radar or a millimeter wave radar and displaying the road three-dimensional map through the display.
Further preferably, the driver terminal includes a driving advice module configured to give driving advice according to the determination result and a preset rule.
Further preferably, the driver terminal includes a storage unit for storing preset rules.
Further preferably, the driver terminal includes an input unit for updating a preset rule.
Preferably, the radar-based dual-mode road condition early warning system further comprises a switching button connected with the central processing unit and used for manually switching the working states of the laser radar and the millimeter wave radar.
The utility model provides a bimodulus road conditions early warning system based on radar adopts two kinds of radars (laser radar and millimeter wave radar) to survey the road conditions (pothole, hug and barrier) in vehicle the place ahead, can give full play to the respective advantage of two kinds of radars, when smog concentration is not big, switch to laser radar, and measurement accuracy is higher, and is more accurate to the judgement of road conditions, when smog concentration is great, switches to millimeter wave radar, utilizes the strong characteristic of millimeter wave radar penetrability, can improve measurement accuracy.
The utility model provides a bimodulus road conditions early warning system based on radar is rational in infrastructure, and the hardware module that adopts is current module, and the data that will detect and the advantage of millimeter wave radar can obtain road conditions information after comparing with the rule of predetermineeing.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
fig. 1 is the utility model provides a bimodulus road conditions early warning system's based on radar block diagram.
Detailed Description
The invention will be further explained below with reference to specific embodiments, without limiting the invention.
As shown in fig. 1, the utility model provides a bimodulus road conditions early warning system based on radar, include: the automobile smoke detection system comprises a smoke sensor 1, a laser radar 2, a millimeter wave radar 3, a central processing unit 4 and a driver terminal 5, wherein the smoke sensor 1, the laser radar 2, the millimeter wave radar 3 and the driver terminal 5 are all connected with the central processing unit 4, the smoke sensor 1 is fixed outside an automobile body and used for detecting smoke concentration information of an external environment and sending the smoke concentration information to the central processing unit 4, the laser radar 2 and the millimeter wave radar 3 are both fixedly arranged on the roof and respectively used for emitting light waves and electromagnetic waves to a road surface area in front of the automobile and sending obtained distance information to the central processing unit 4, the central processing unit 4 is used for switching working states of the laser radar 2 and the millimeter wave radar 3 according to the received smoke concentration information and judging road condition information by using the laser radar 2 or the millimeter wave radar 3 in the working state, and sending the judgment result to the driver terminal 5, and the driver terminal 5 giving a prompt to the driver according to the judgment result.
This bimodulus road conditions early warning system based on radar adopts two kinds of radars (laser radar and millimeter wave radar) to survey the road conditions (pothole, embrace and barrier) in vehicle the place ahead, can give full play to two kinds of radars advantage separately, when smog concentration is little, switch to laser radar, measurement accuracy is higher, judge more accurately to the road conditions, when smog concentration is great, switch to millimeter wave radar, utilize the strong characteristic of millimeter wave radar penetrability, can improve measurement accuracy, wherein, the utility model relates to a transmission of data, how the radar operating condition switches all belongs to prior art, the distance information that utilizes laser radar or millimeter wave radar at operating condition to obtain judges that road conditions information then utilizes the distance information who obtains and compares with the rule of predetermineeing and obtains, for example: if the detected distance has an area which is obviously larger than the surrounding distance, judging that the hollow exists in the area; if there is an area in the detected distance that is significantly less than the surrounding distance, it is determined that there is a hug or an obstacle.
As an improvement of the technical solution, as shown in fig. 1, the driver terminal 5 includes a road three-dimensional map reconstruction module 51 and a display 52, where the road three-dimensional map reconstruction module 51 is configured to simulate a road three-dimensional map according to distance information obtained by a laser radar 2 or a millimeter wave radar 3, and display the road three-dimensional map through the display 52, where simulating the road three-dimensional map according to the obtained distance information belongs to the prior art, and is not described in detail in this application.
As an improvement of the technical solution, as shown in fig. 1, the driver terminal 5 includes a driving suggestion module 53, configured to give driving suggestions according to a judgment result and a preset rule, where the rule is preset, and the judgment result is compared with the preset rule, and may correspond to different driving suggestions, for example: whether the vehicle speed needs to be adjusted, whether the vehicle direction needs to be adjusted and the specific adjustment amount needs to be adjusted when the vehicle encounters potholes, congestion or obstacles; when a large pothole, a hug or an obstacle is met, the vehicle speed needs to be adjusted, the vehicle direction needs to be finely adjusted and the like, the preset rules are all adopted, and how to set the rules is not a protection point of the application.
As a modification of the technical solution, as shown in fig. 1, the driver terminal 5 includes a storage unit 54 for storing preset rules.
As a modification of the technical solution, as shown in fig. 1, the driver terminal 5 includes an input unit 55 for updating a preset rule.
As an improvement of the technical solution, as shown in fig. 1, the radar-based dual-mode road condition early warning system further includes a switching button connected to the central processing unit 4, and configured to manually switch the working states of the laser radar 2 and the millimeter wave radar 3, where a priority of the manual switching is greater than a priority of the automatic switching.
The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (2)
1. A dual-mode road condition early warning system based on radar is characterized by comprising: the automobile smoke detection system comprises a smoke sensor (1), a laser radar (2), a millimeter wave radar (3), a central processing unit (4) and a driver terminal (5), wherein the smoke sensor (1), the laser radar (2), the millimeter wave radar (3) and the driver terminal (5) are all connected with the central processing unit (4), the smoke sensor (1) is fixed outside an automobile body and used for detecting smoke concentration information of an external environment and sending the smoke concentration information to the central processing unit (4), the laser radar (2) and the millimeter wave radar (3) are both fixedly arranged on the automobile roof and respectively used for emitting light waves and electromagnetic waves to a road surface area in front of the automobile and sending obtained distance information to the central processing unit (4), the central processing unit (4) is used for switching working states of the laser radar (2) and the millimeter wave radar (3) according to the received smoke concentration information, and judging road condition information by using distance information obtained by the laser radar (2) or the millimeter wave radar (3) in a working state, and sending a judgment result to the driver terminal (5), wherein the driver terminal (5) gives a prompt to a driver according to the judgment result.
2. The radar-based dual-mode road condition early warning system of claim 1, wherein: the device also comprises a switching button connected with the central processing unit (4) and used for manually switching the working states of the laser radar (2) and the millimeter wave radar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158016.XU CN212083661U (en) | 2019-07-23 | 2019-07-23 | Dual-mode road condition early warning system based on radar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921158016.XU CN212083661U (en) | 2019-07-23 | 2019-07-23 | Dual-mode road condition early warning system based on radar |
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| CN212083661U true CN212083661U (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113096387A (en) * | 2021-03-22 | 2021-07-09 | 中国第一汽车股份有限公司 | Vehicle-mounted road surface monitoring and early warning method, system, terminal and storage medium |
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2019
- 2019-07-23 CN CN201921158016.XU patent/CN212083661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113096387A (en) * | 2021-03-22 | 2021-07-09 | 中国第一汽车股份有限公司 | Vehicle-mounted road surface monitoring and early warning method, system, terminal and storage medium |
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