阅读说明：本技术 车辆交通警示装置和方法 (Vehicle traffic warning device and method ) 是由 李高峰 李跃星 王安琪 于 2021-07-26 设计创作，主要内容包括：本发明实施例提供一种车辆交通警示装置和方法,该装置包括：雷达板、电源模块、控制电路和警示模块；所述控制电路分别连接所述雷达板和所述警示模块；所述电源模块用于给所述雷达板、所述控制电路和所述警示模块供电；所述雷达板用于按照预设的频率向预设距离范围内发射无线电波,并接收所述无线电波对应的反射信号；所述雷达板用于根据所述反射信号确定预设距离范围内是否存在车辆,若预设距离范围内存在车辆,则向所述控制电路发送警示指令,以使所述控制电路根据所述警示指令控制所述警示模块进行警示。本发明实施例的车辆交通警示装置,利用雷达的特性,可以在较差的环境条件下,如夜晚环境下,以较高的准确度识别车辆。(The embodiment of the invention provides a vehicle traffic warning device and a method, wherein the device comprises: the device comprises a radar board, a power supply module, a control circuit and a warning module; the control circuit is respectively connected with the radar board and the warning module; the power supply module is used for supplying power to the radar board, the control circuit and the warning module; the radar plate is used for transmitting radio waves to a preset distance range according to a preset frequency and receiving reflected signals corresponding to the radio waves; the radar board is used for determining whether a vehicle exists in a preset distance range according to the reflection signal, and if the vehicle exists in the preset distance range, a warning instruction is sent to the control circuit, so that the control circuit controls the warning module to warn according to the warning instruction. The vehicle traffic warning device provided by the embodiment of the invention can identify the vehicle with higher accuracy under poor environmental conditions, such as night environment, by utilizing the characteristics of the radar.)

1. A vehicular traffic warning device characterized by comprising:

the device comprises a radar board, a power supply module, a control circuit and a warning module;

the control circuit is respectively connected with the radar board and the warning module;

the power supply module is used for supplying power to the radar board, the control circuit and the warning module;

the radar plate is used for transmitting radio waves to a preset distance range according to a preset frequency and receiving reflected signals corresponding to the radio waves;

the radar board is used for determining whether a vehicle exists in a preset distance range according to the reflection signal, and if the vehicle exists in the preset distance range, a warning instruction is sent to the control circuit, so that the control circuit controls the warning module to warn according to the warning instruction.

2. The apparatus of claim 1, wherein the radar board comprises a millimeter wave radar; the millimeter wave radar is connected with the control circuit.

3. The apparatus of claim 2, further comprising: a device housing; the warning module comprises a warning lamp;

the radar board, the power supply module and the control circuit are arranged inside the device shell;

the warning lamp is arranged outside the device shell and in a region close to the top end;

the control circuit controls the operation of the warning lamp through a GPIO signal.

4. The apparatus of claim 3, wherein the alert module further comprises an alert horn;

the warning horn is arranged inside the device shell;

the control circuit controls the operation of the warning horn through the GPIO signal;

and if the vehicle exists in the preset distance range, the control circuit controls the warning horn to warn according to the preset warning voice according to the warning instruction.

5. The apparatus of claim 4, wherein the alert module further comprises a display unit; the control circuit comprises a network port module;

the network port module is connected with the radar plate; the network port module is in communication connection with the display unit through a network port communication protocol;

the display unit is arranged in the area close to the bottom end in the outer part of the device shell;

and if the vehicle exists in the preset distance range, the control circuit controls the display unit to display preset warning words according to the warning instruction.

6. The apparatus of claim 5, wherein the millimeter wave radar is further configured to determine a distance between a vehicle and the millimeter wave radar according to the time of the radio wave transmission and the time of the reception of the corresponding reflected signal, if the vehicle exists within a preset distance range;

the millimeter wave radar is further used for sending a warning instruction to the control circuit, so that the control circuit controls the display unit to display the distance according to the warning instruction.

7. The apparatus of claim 6, wherein the power module provides the following three voltage currents:

220V ac voltage and 0.5A current, 12V dc voltage and 2A current, and 5V dc voltage and 4A current.

8. The apparatus of any of claims 3-7, further comprising: a warning sign;

the warning sign is arranged on the outer surface of the top of the device shell.

9. A vehicular traffic warning method based on the vehicular traffic warning apparatus according to any one of claims 1 to 8, the method comprising:

the radar plate transmits radio waves to a preset distance range according to a preset frequency and receives reflected signals corresponding to the radio waves;

the radar board determines whether a vehicle exists in a preset distance range or not according to the reflection signal, and if the vehicle exists in the preset distance range, a warning instruction is sent to the control circuit;

the control circuit is used for controlling the warning module to warn according to the warning instruction.

Technical Field

The embodiment of the invention relates to the technical field of vehicle traffic detection, in particular to a vehicle traffic warning device and method.

Background

With the continuous development of science and technology, vehicles become the main travel tool of people. Vehicle traffic accidents often occur due to the large traffic flow on the highway. At present, the road section with frequent traffic accidents is mainly the intersection of a secondary road and a main road. When an automobile, a motorcycle or a bicycle suddenly enters a road from a side road, the direction of the side road is in a view blind area of a vehicle running on the main road, so that when the side road vehicle enters, a vehicle owner of the main road vehicle probably does not find that the vehicle enters the side road, and a traffic accident is caused.

At present, for the problem of the traffic accident, vehicles on the road are generally identified by using a mode of visual collection and image identification, so as to remind the vehicles on the main road and the auxiliary road. However, the accuracy of identifying the vehicle under poor environmental conditions, such as night environment, is low by means of the visual collection plus image recognition.

Disclosure of Invention

The invention provides a vehicle traffic warning device and a vehicle traffic warning method, which are used for solving the problem of low accuracy of vehicle identification under poor environmental conditions in the prior art through a mode of visual acquisition and image identification.

A first aspect of an embodiment of the present invention provides a vehicle traffic warning device, including:

the device comprises a radar board, a power supply module, a control circuit and a warning module;

the control circuit is respectively connected with the radar board and the warning module;

the power supply module is used for supplying power to the radar board, the control circuit and the warning module;

the radar plate is used for transmitting radio waves to a preset distance range according to a preset frequency and receiving reflected signals corresponding to the radio waves;

the radar board is used for determining whether a vehicle exists in a preset distance range according to the reflection signal, and if the vehicle exists in the preset distance range, a warning instruction is sent to the control circuit, so that the control circuit controls the warning module to warn according to the warning instruction.

Optionally, in the apparatus described above, the radar board includes a millimeter wave radar; the millimeter wave radar is connected with the control circuit.

Optionally, the apparatus as described above, further comprising: a device housing; the warning module comprises a warning lamp;

the radar board, the power supply module and the control circuit are arranged inside the device shell;

the warning lamp is arranged outside the device shell and in a region close to the top end;

the control circuit controls the operation of the warning lamp through a GPIO signal.

Optionally, in the apparatus described above, the warning module further includes a warning speaker;

the warning horn is arranged inside the device shell;

the control circuit controls the operation of the warning horn through the GPIO signal;

and if the vehicle exists in the preset distance range, the control circuit controls the warning horn to warn according to the preset warning voice according to the warning instruction.

Optionally, in the apparatus as described above, the warning module further includes a display unit; the control circuit comprises a network port module;

the network port module is connected with the radar plate; the network port module is in communication connection with the display unit through a network port communication protocol;

the display unit is arranged in the area close to the bottom end in the outer part of the device shell;

and if the vehicle exists in the preset distance range, the control circuit controls the display unit to display preset warning words according to the warning instruction.

Optionally, in the apparatus described above, the millimeter wave radar is further configured to determine, if a vehicle exists within a preset distance range, a distance between the vehicle and the millimeter wave radar according to the time of transmitting the radio wave and the time of receiving the corresponding reflected signal;

the millimeter wave radar is further used for sending a warning instruction to the control circuit, so that the control circuit controls the display unit to display the distance according to the warning instruction.

Optionally, in the apparatus as described above, the power supply module provides the following three voltage currents:

220V ac voltage and 0.5A current, 12V dc voltage and 2A current, and 5V dc voltage and 4A current.

Optionally, the apparatus as described above, further comprising: a warning sign;

the warning sign is arranged on the outer surface of the top of the device shell.

A second aspect of an embodiment of the present invention provides a vehicle traffic warning method, based on any one of the vehicle traffic warning devices in the first aspect, the method including:

the radar plate transmits radio waves to a preset distance range according to a preset frequency and receives reflected signals corresponding to the radio waves;

the radar board determines whether a vehicle exists in a preset distance range or not according to the reflection signal, and if the vehicle exists in the preset distance range, a warning instruction is sent to the control circuit;

the control circuit is used for controlling the warning module to warn according to the warning instruction.

The embodiment of the invention provides a vehicle traffic warning device and a method, wherein the device comprises: the device comprises a radar board, a power supply module, a control circuit and a warning module; the control circuit is respectively connected with the radar board and the warning module; the power supply module is used for supplying power to the radar board, the control circuit and the warning module; the radar plate is used for transmitting radio waves to a preset distance range according to a preset frequency and receiving reflected signals corresponding to the radio waves; the radar board is used for determining whether a vehicle exists in a preset distance range according to the reflection signal, and if the vehicle exists in the preset distance range, a warning instruction is sent to the control circuit, so that the control circuit controls the warning module to warn according to the warning instruction. According to the vehicle traffic warning device provided by the embodiment of the invention, the radar plate transmits the radio waves to the preset distance range according to the preset frequency and receives the reflected signals corresponding to the radio waves, so that the radar plate can determine whether the vehicle exists in the preset distance range according to the reflected signals. The preset distance range may be a range corresponding to the secondary road or a range corresponding to the primary road. And then when the radar board detects that there is the vehicle, control warning module carries out the warning through control circuit control. The embodiment of the invention utilizes the characteristics of the radar, so that the vehicle can be identified with higher accuracy under the poor environment condition, such as the night environment.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a vehicular traffic warning device according to an embodiment of the present invention;

fig. 2 is a schematic external structural view of a vehicular traffic warning device according to another embodiment of the present invention;

fig. 3 is a schematic diagram of an internal power circuit of a vehicular traffic warning device according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of an internal control circuit of a vehicle traffic warning device according to another embodiment of the present invention.

Reference numerals: 10. radar board, 20, control circuit, 21, net gape module, 30, warning module, 31, warning loudspeaker, 32, warning light, 33, display element, 40, power module, 50, device shell, 60, warning sign.

With the above figures, certain embodiments of the invention have been illustrated and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.

For a clear understanding of the technical solutions of the present application, a detailed description of the prior art solutions is first provided. In vehicle traffic technical field, mainly warn the vehicle through vision acquisition + image recognition's mode at present, this kind of mode relies on the illumination condition, is difficult to accurate detection under night or dim environment, simultaneously, because the image of vehicle need be gathered, the problem of invading privacy also exists to current mode. Therefore, in view of the problem of the prior art that the accuracy of identifying a vehicle under poor environmental conditions, such as night environment, is low, the inventors have found in their research that the above problem can be solved by a device that is not affected by light, such as a radar. The radar, especially the millimeter wave radar, can be applied to scenes such as night without depending on the illumination condition.

The inventor proposes a technical scheme of the application based on the creative discovery.

The embodiments of the present invention will be described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a vehicular traffic warning device according to an embodiment of the present invention, as shown in fig. 1, in the embodiment, the vehicular traffic warning device according to the embodiment of the present invention includes:

radar panel 10, power module 40, control circuit 20 and warning module 30. The control circuit 20 is respectively connected with the radar board 10 and the warning module 30. The power module 40 is used to supply power to the radar panel 10, the control circuit 20, and the warning module 30. The radar panel 10 is configured to emit radio waves within a preset distance range at a preset frequency and receive reflected signals corresponding to the radio waves. The radar panel 10 is configured to determine whether a vehicle exists within a preset distance range according to the reflection signal, and if the vehicle exists within the preset distance range, send a warning instruction to the control circuit 20, so that the control circuit 20 controls the warning module 30 to warn according to the warning instruction.

In this embodiment, the radar board 10 may include a millimeter wave radar, and since the millimeter wave signal does not depend on the illumination condition, the radar board can be applied to scenes such as night, and the accuracy of detecting the vehicle is higher, thereby further improving the accuracy of identifying the vehicle.

Meanwhile, the preset frequency may be set according to actual requirements, for example, the preset frequency may be set to 20 times per minute, or once per second, etc. The preset distance range may be a sector range facing the auxiliary road or a sector range facing the main road. The distance may be set to 50 meters, 60 meters, etc.

The warning module 30 may be a component for warning, such as sound, picture, etc.

The embodiment of the invention provides a vehicle traffic warning device and a method, wherein the device comprises: radar panel 10, power module 40, control circuit 20 and warning module 30. The control circuit 20 is respectively connected with the radar board 10 and the warning module 30. The power module 40 is used to supply power to the radar panel 10, the control circuit 20, and the warning module 30. The radar panel 10 is configured to emit radio waves within a preset distance range at a preset frequency and receive reflected signals corresponding to the radio waves. The radar panel 10 is configured to determine whether a vehicle exists within a preset distance range according to the reflection signal, and if the vehicle exists within the preset distance range, send a warning instruction to the control circuit 20, so that the control circuit 20 controls the warning module 30 to warn according to the warning instruction. According to the vehicle traffic warning device provided by the embodiment of the invention, the radar plate 10 emits the radio waves to the preset distance range according to the preset frequency and receives the reflected signals corresponding to the radio waves, so that the radar plate 10 can determine whether the vehicle exists in the preset distance range according to the reflected signals. The preset distance range may be a range corresponding to the secondary road or a range corresponding to the primary road. When the radar panel detects that a vehicle exists, the control circuit 20 controls the warning module 30 to warn. The embodiment of the invention utilizes the characteristics of the radar, so that the vehicle can be identified with higher accuracy under the poor environment condition, such as the night environment.

In order to better understand the vehicle traffic warning device according to the embodiment of the present invention, practical application embodiments will be illustrated in conjunction with fig. 2-4. Referring to fig. 2, the vehicle traffic warning device of the present embodiment is shown in fig. 2, and a warning mark is disposed on an outer surface of a top portion of a device housing. The warning sign can use the common word-of-the-word sign, and can also use other warning signs such as danger, slow and the like.

The internal structure of the vehicle traffic warning device of the embodiment of the present invention is shown in fig. 3 and 4. As shown in fig. 3 and 4, the apparatus case 50 includes a radar panel 10, a portal module 21, a warning horn 31, a warning lamp 32, a display unit 33, a power supply module 40, and a switch inside. And a warning sign 60 of a character of interest is provided on the top of the device case 50. The power module 40 respectively supplies power to the radar panel 10, the network port module 21, the warning horn 31, the warning lamp 32 and the display unit 33. The radar board 10, the network port module 21 and the warning horn 31 are direct currents of 5V and 8A, the warning lamp is direct current of 32 bits of 12V and 4A, and the display unit 33 is alternating current of 220V and 0.5A. The radar board 10 is a millimeter wave radar including an AWR1843 chip for processing radar signals and sending warning instructions to the portal module 21. The network port module 21 communicates with the radar board 10 through a serial port. The control circuit 20 includes a network interface module 21 and a GPIO control signal related circuit. The network port module 21 is connected to the display unit 33 through a network cable, and the AWR1843 chip is connected to the warning lamp 32 and the warning speaker 31 through GPIO (General-purpose input/output, chinese) control signals. The display unit 33 may be a display screen, and the display unit 33 may display deceleration crawl under normal conditions, and display warning sentences such as distance, danger, and the like of the vehicle when detecting that the vehicle exists within the preset distance range.

When in actual use, the vehicle traffic warning device of the embodiment can be arranged at the intersection of the auxiliary road and the main road, and meanwhile, whether vehicles exist in the auxiliary road or not is detected. The radar panel 10 transmits radio waves in a sector of 50 meters in the direction of the side road at a frequency of once per second, and receives reflected signals corresponding to the radio waves. The radar board 10 determines in real time from the reflected signal whether or not there is a vehicle within a sector range of 50 meters in the direction of the side road. When the vehicle is detected to be present, the radar board 10 controls the display unit 33 to display words such as slow speed, dangerous vehicle entering, vehicle distance and the like through the internet access module 21. Meanwhile, the radar board 10 controls the warning lamp 32 to flash according to a certain frequency through the GPIO control signal, and the warning lamp 32 can be a red light and a blue light. The radar panel 10 controls the warning speaker 33 to play a preset warning voice, such as a sound representing a danger, or a voice of a person in front of the danger.

The internet access communication protocol between the internet access module 21 and the display unit 33 is as follows:

CMD_Close[78]＝{0x55,0xaa,0x00,0x00,0x01,0x01,0x00,0xc1,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x00,0x00,0x00,0x36,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0d,0x0a}；

CMD_Open[78]＝{0x55,0xaa,0x00,0x00,0x01,0x01,0x00,0xc1,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x00,0x00,0x00,0x36,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0d,0x0a}；

the vehicle traffic warning device disclosed by the invention can be used for accurately detecting whether a vehicle is in a side road or a main road or not by mainly utilizing the characteristic that radio waves emitted by a radar can reflect the vehicle through the technical means of digital signal processing, Doppler effect analysis, moving target detection and the like in the millimeter wave radar, so that after the vehicle is determined to be in the side road or the main road, warning words such as 'please pay attention to slow running' and the like are displayed on a screen through an internet protocol, a warning lamp is lightened by controlling a GPIO (general purpose input output) signal, and a warning horn is controlled to emit warning related voice.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the embodiments of the invention following, in general, the principles of the embodiments of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the embodiments of the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of embodiments of the invention being indicated by the following claims.

It is to be understood that the embodiments of the present invention are not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of embodiments of the invention is limited only by the appended claims.