CN220820865U - Radar early warning equipment - Google Patents

Abstract

The utility model discloses radar early warning equipment, which belongs to the field of road safety early warning, and is characterized in that vehicles in the coming direction of an accident area are detected and early warned through a millimeter wave radar and an alarm component, and meanwhile, the attitude of the millimeter wave radar before or during use is detected by an attitude detection and adjustment mechanism, and when the millimeter wave radar is offset, the millimeter wave radar is correspondingly adjusted so as to ensure that the detection area of the millimeter wave radar can be aligned with a lane. The radar early warning device is compact in overall structure and convenient to adjust, can realize calibration operation of the radar early warning device before use, can detect the gesture of the radar early warning device in real time in the use process, and can automatically adjust the radar early warning device when the radar early warning device is deviated, so that the radar early warning device and a detected lane can be aligned at any time, the rapid and accurate calibration operation of the radar early warning device is realized, and the radar early warning device has good practical value and popularization prospect.

Description

Radar early warning equipment

Technical Field

The utility model belongs to the field of road safety early warning, and particularly relates to radar early warning equipment.

Background

Along with the continuous increase of the mileage and the vehicle keeping amount of the highways in China, vehicles running on the highways are more and more dense. Accordingly, the more frequently the number of traffic accidents on a road is, after the traffic accidents occur, a driver or a rescue worker can place a triangular warning board behind the vehicle for warning that the rear vehicle drives away from the lane. Although the triangle warning board can simply reach the effect of warning the rear vehicle, the triangle warning board can not meet the warning requirement of vehicles on highways or urban circular lines in the face of complex and changeable road conditions.

Nowadays, people can place millimeter wave radar detection vehicles beside a construction area or an accident area in a road, and after detecting the vehicles on an accident lane, carry out acousto-optic warning on the vehicles on the accident lane and operators in front of the accident, so that the warning mode of arranging a triangular warning frame in the prior art is effectively replaced, and secondary accidents are further prevented.

When the conventional radar early warning device is used, the following problems exist:

1. When setting up radar early warning equipment, mostly through the manual work with the early warning equipment place on the lane of accident area car direction of coming, the orientation of radar early warning equipment and the detection range of radar early warning equipment can't fully aim at or cover the lane all around with the lane, especially when accident area has covered a plurality of lanes, if the detection range of radar early warning equipment can not cover the lane all, very cause the emergence of the circumstances such as radar early warning equipment omission easily, and this directly influences the safety of personnel in the rear accident area.

2. In the use process of the radar early warning device, the radar early warning device is easily influenced by external air flow or other factors, so that the detection range of the radar early warning device is changed.

In summary, the existing radar early warning device is manually adjusted to the detection range of the radar early warning device before and during use, and the existing radar early warning device has the problems of large error, low precision, complicated adjustment process and the like.

Disclosure of utility model

In view of one or more of the above drawbacks or improvements of the prior art, the present utility model provides a radar warning device that is capable of adaptively adjusting the posture of the radar warning device before and during use, and has high adjustment accuracy and adjustment efficiency.

In order to achieve the above object, the present utility model provides a radar warning device, which includes a millimeter wave radar for detecting a vehicle in a detection range thereof and a warning component electrically connected thereto, and warns the vehicle through the warning component;

The millimeter wave radar detection device comprises a millimeter wave radar detection device, a first gesture detection and adjustment assembly, a second gesture detection and adjustment assembly and a control unit, wherein the first gesture detection and adjustment assembly is arranged corresponding to the millimeter wave radar and comprises a detection unit and an automatic adjustment unit electrically connected with the detection unit, and is used for detecting the position of the millimeter wave radar before use and/or the offset during use; the automatic adjusting unit is used for receiving the offset, and correspondingly adjusting the orientation of the millimeter wave radar and/or the position of the millimeter wave radar in the lane according to the offset so as to realize the alignment between the millimeter wave radar and the lane.

As a further improvement of the present utility model, the detection unit includes a camera assembly; the camera shooting assembly and the millimeter wave radar face the same direction and are used for acquiring image information of the millimeter wave radar detection area; and is also provided with

The display assembly is arranged corresponding to the camera assembly and is electrically connected with the camera assembly;

At least one pair of auxiliary lines are arranged in the display assembly and used for aligning with lane lines in the image information displayed in the display assembly.

As a further improvement of the utility model, the detection unit further comprises one or more of a displacement sensor, a gravity sensor and an acceleration sensor;

Each sensor is electrically connected with the automatic adjusting unit respectively.

As a further improvement of the utility model, the device also comprises a second gesture detection and adjustment component; the second posture adjustment assembly comprises a manual aiming unit and a manual adjustment unit; the manual adjusting unit is connected with the millimeter wave radar; the aiming direction of the manual aiming unit is the same as the detection direction of the millimeter wave radar, and the manual aiming unit is used for positioning the millimeter wave radar in alignment with a lane line.

As a further improvement of the utility model, the manual sighting unit is internally provided with a sighting line for aligning with a lane line; and is also provided with

And the manual sighting unit is also provided with a laser emission unit corresponding to the manual sighting unit, and the laser emission unit is used for emitting laser rays to the sighting direction of the manual sighting unit so as to assist the alignment between the manual sighting unit and the lane line.

As a further improvement of the utility model, the alarm assembly comprises at least one audible alarm assembly and at least one light alarm assembly;

The illumination alarm assembly comprises at least one directional light source and is used for emitting directional alarm light to the detection direction of at least one millimeter wave radar; the sound alarm assembly comprises at least one directional loudspeaker and is used for sending out directional warning sound to the detection direction of at least one millimeter wave radar.

As a further improvement of the utility model, the utility model also comprises a data receiving and transmitting module and a GPS positioning module which is in communication connection with the data receiving and transmitting module;

The GPS positioning module is used for positioning the position of the radar early warning device in a road; and the data transceiver module is in communication connection with the cloud server and is used for receiving the equipment position information acquired by the GPS positioning module and sending the equipment position information into the cloud server.

As a further improvement of the utility model, the power supply comprises a power supply, wherein the power supply is respectively and electrically connected with each component and is used for supplying power to each component;

And/or

The controller is respectively and electrically connected with the millimeter wave radar and the alarm component and is used for receiving detection signals from the millimeter wave radar and controlling the alarm component to send alarm signals; the controller is also respectively and electrically connected with the detection unit and the automatic adjusting unit and is used for receiving detection signals sent by the detection unit and controlling the automatic adjusting unit to adjust the position of the millimeter wave radar.

The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

(1) According to the radar early warning device, the first gesture detection and adjustment assembly is used for detecting the gesture of the device before and during use, and the orientation of the millimeter wave radar is correspondingly adjusted according to the detection result, so that the radar early warning device can be fully aligned with a single lane or fully cover multiple lanes, the accuracy of detecting vehicles by the millimeter wave radar is effectively improved, the problems of missed detection, false detection and the like of the millimeter wave radar are prevented, and the safety of personnel located in an accident area behind the early warning device is ensured.

(2) The radar early warning device acquires the image information of the road through the camera component, and compares the auxiliary line in the display component with the lane line so as to judge whether the radar early warning device is aligned with the lane. Meanwhile, an included angle between the auxiliary line and the lane line is utilized to calculate an offset angle between the millimeter wave radar and the lane line, and the orientation of the millimeter wave radar is adjusted according to the offset angle through the automatic adjusting unit, so that the rapid alignment operation between the radar early warning equipment and the lane line is realized, and the accurate detection of the millimeter wave radar on the vehicles in the coming directions is further ensured.

(3) According to the radar early warning device, through the gravity sensor, the displacement sensor and the acceleration sensor which are preferably arranged, the sensors can monitor the gesture of the millimeter wave radar in use; the displacement sensor is electrically connected with the automatic adjusting unit, so that the displacement sensor can convey the offset of the millimeter wave radar into the automatic adjusting unit; the orientation and the position of the millimeter wave radar are adjusted through the automatic adjusting unit; meanwhile, whether the equipment is toppled or not is detected by using the acceleration sensor, and an alarm is given to equipment operators through an alarm piece during detection.

(4) According to the radar early warning device, through the second gesture detection and adjustment assembly, operators can realize rapid alignment between the millimeter wave radar and the lane line in a manual adjustment mode; and then the alignment mode between the radar early warning equipment and the lane line can be more diversified. And through the preferential setting sighting line in artifical sighting component and the rotating member who is connected the setting with millimeter wave radar for the operating personnel is when correcting, convenience and swift that can be more.

(5) The radar early warning device is compact in overall structure and convenient to adjust, can realize calibration operation of the radar early warning device before use, can detect the gesture of the radar early warning device in real time in the use process, and can automatically adjust the radar early warning device when the radar early warning device is deviated, so that the radar early warning device and a detected lane can be aligned at any time, the rapid and accurate calibration operation of the radar early warning device is realized, and the radar early warning device has good practical value and popularization prospect.

Drawings

FIG. 1 is a block diagram of the overall construction of a radar warning device in an embodiment of the present utility model;

FIG. 2 is a flowchart of an automatic adjustment method of radar warning equipment in an embodiment of the present utility model;

Fig. 3 is a flowchart of a manual adjustment method of a radar warning device according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Examples:

Referring to fig. 1 to 3, the radar warning device in the preferred embodiment of the present utility model is mainly used for detecting a vehicle about to drive into a construction area or an accident area in a road, and warning the vehicle to prevent the vehicle from driving into the accident area or the construction area.

Specifically, the radar early warning device comprises a millimeter wave radar, an alarming component and a camera shooting component, wherein the alarming component is electrically connected with the millimeter wave radar; the millimeter wave radar is used for detecting vehicles in a detection area, and warning the vehicles through the warning component after the vehicles are detected, so that early warning operation of the vehicles is realized.

Further, in order to ensure that the detection area of the millimeter wave radar can be fully aligned with the lane line, a gesture detection and adjustment mechanism is arranged corresponding to the millimeter wave radar; the gesture detection and adjustment mechanism is used for detecting the gesture of the radar early warning device before and/or during use, and correspondingly adjusting the gesture of the device according to the detection result so as to align the device with a single lane or multiple lanes.

Specifically, the gesture adjustment assembly comprises a first gesture adjustment assembly and a second gesture adjustment assembly; the first gesture detection and adjustment assembly comprises a detection unit and an automatic adjustment unit electrically connected with the detection unit, wherein the detection unit is used for judging whether the radar early warning device is aligned with a lane in front of an accident area after the radar early warning device is arranged on the lane; the automatic adjusting unit is connected with the early warning device and is used for correspondingly adjusting the position of the radar early warning device when the detecting unit detects that the detecting area of the radar early warning device is not aligned with or completely covered with the accident lane.

In a specific embodiment, the detection unit comprises a camera assembly; the automatic adjusting unit comprises an electric cradle head which is connected with radar early warning equipment; and the direction of the shooting area of the shooting assembly is the same as the detection direction of the millimeter wave radar, a display assembly is arranged corresponding to the shooting assembly, and at least one pair of auxiliary lines are arranged in the display assembly, so that an operator can judge whether the shooting area is aligned with the lane lines or fully covers multiple lanes through the auxiliary lines and pictures shot by the display assembly.

In the above preferred embodiment, the display component is a touch screen, and is electrically connected with the millimeter wave radar, which can adjust the detection range of the millimeter wave radar, and can also check the information such as the position and the speed of the vehicle and the included angle between the vehicle and the road line after the vehicle is detected by the millimeter wave radar through the touch screen in real time.

Further, in order to facilitate the operator to judge whether the detection area of the millimeter wave radar is aligned with the lane to be fully covered or not through the camera assembly, the display assembly and the auxiliary line; preferably, the centers of the camera shooting assembly, the millimeter wave radar and the electric cradle head are all positioned on the same vertical direction; and then reduce millimeter wave radar, the error of subassembly in the horizontal direction of making a video recording for the operation personnel can be more accurate when the position of radar early warning equipment is adjusted through the subassembly of making a video recording.

In a specific embodiment, the operator sets the device on a lane in front of the accident area, and the camera assembly, millimeter wave radar and electric cradle head are arranged at the same vertical interval. At this time, the image pickup assembly shoots the detection area of the millimeter wave radar, and if the auxiliary line is not parallel to the lane line to be aligned in the image displayed by the display assembly, the detection area of the millimeter wave radar does not cover all single/multiple lanes; meanwhile, the extension lines of the auxiliary line and the lane line intersect on the projection plane of the X-Y axis to form an included angle, and then the offset of the radar early warning device on the X-Y axis is obtained by calculating the included angle; and the position of the radar early warning device is adjusted through the electric cradle head and the offset, so that the full alignment of the detection area of the radar early warning device and the lane line is realized.

Of course, in the actual use process, because the width of the lane covered by the accident area generated by different accidents is different, the distance between the two auxiliary lines can be correspondingly adjusted, so that the alignment between the auxiliary lines and the multi-lane lines is realized, and the practicability of the equipment is improved.

Further, in order to ensure that the radar early warning device can be fully aligned with the lane line at any time in the using process, the detection unit further comprises a displacement sensor and a gravity sensor; the displacement sensor is used for detecting the offset of the device on the X/Y axis; the gravity sensor is used for detecting the offset of the equipment on the Z axis; and the two sensors are respectively and electrically connected with the electric cradle head, so that the offset generated by the equipment in use is detected through the two sensors, the included angle between the offset auxiliary line and the lane line is calculated according to the adjustment mode, and finally the position of the radar early warning equipment is correspondingly adjusted through the electric cradle head.

In addition, the detection unit further comprises an acceleration sensor; the acceleration sensor is used for detecting whether the equipment is toppled or not when in use; and an alarm piece is arranged corresponding to the acceleration sensor; and the radar warning device is used for reminding operators to prop up radar warning equipment after the acceleration sensor detects that the equipment is toppled.

In the actual setting process, in order to ensure that the electric cradle head can adjust the offset of the equipment in different directions, the electric cradle head is preferably a six-degree-of-freedom electric cradle head.

Further, in the preferred embodiment as shown in FIG. 1, the attitude sensing and adjustment mechanism further includes a second attitude sensing and adjustment assembly; the second gesture detection and adjustment assembly comprises a manual aiming unit and a manual adjustment unit, and the manual adjustment unit is connected with the radar early warning equipment; and whether the detection area of the millimeter wave radar is mutually aligned with the lane line is judged through manual aiming, and the offset of the radar early warning device is correspondingly adjusted through a manual adjusting unit.

In a specific embodiment, the manual sighting unit is an objective lens arranged in the same vertical direction as the millimeter wave radar; and a cross-shaped aiming line is arranged in the objective lens; the manual adjusting unit is a rotating piece arranged at the bottom of the radar early warning device in a connecting way, and an operator can correspondingly adjust the detection range of the millimeter wave radar by adjusting the position of the aiming line, so that the aiming line is positioned at the central position between two lane lines, and further the alignment operation between the millimeter wave radar and the lane lines is realized.

In the in-service use process, operating personnel can be connected with the rotating piece through the tripod, the supporting rod or other supporting pieces, and then radar early warning equipment is supported, and can rotate relative to the supporting piece, and then the detection range of the radar early warning equipment is adjusted in an artificial mode.

Of course, in the actual setting process, the manual sighting unit may be a laser sighting device, a zoom sighting device, or the like.

Further, the warning assembly comprises an illumination warning assembly and a sound warning assembly, the sound warning assembly comprises at least one directional loudspeaker for sending warning sounds to remind a vehicle of driving out of an accident lane, and the illumination warning assembly comprises at least one directional light source for sending directional light to remind a driver of the vehicle driving into the accident lane of paying attention to the situation in front.

Further, it is preferable that the illumination alarm assembly and the sound alarm assembly are self-adaptive adjustable devices, which can automatically adjust the brightness of illumination and the size of sound. Meanwhile, in the actual setting process, the illumination alarm assembly and the sound alarm assembly can be arranged on the rotary platform, and then the radar early warning device can perform directional sound-light alarm operation on different lanes through rotation of the illumination alarm assembly and the sound alarm assembly.

In the actual setting process, in order to further improve the practicality of early warning equipment, after detecting the vehicle position, millimeter wave radar can send out audible and visual alarm signals of different grades, intensity according to the distance between vehicle and the accident area. Specifically, when the vehicle runs in the accident area on the accident lane at a lower speed and a longer distance, the warning component sends out weaker audible and visual warning instructions; when the vehicle runs at a high speed or in a close range to an accident area, the warning component can send out sequentially enhanced audible and visual warning instructions, so that the warning to a driver in the vehicle is enhanced. Meanwhile, the warning component can warn the personnel located in the accident area, so that the operators in the accident area are reminded of leaving the accident area, and the vehicles are prevented from driving into the accident area to cause casualties.

Further, in order to warn the assembly and satisfy the user demand under different environment, make the vehicle also can clearly and accurately discern the light that is used for warning under the circumstances of big fog, still include fog lamp in the illumination warning assembly for the vehicle that the accident lane was gone into under the circumstances of big fog is gone out.

Furthermore, the radar early warning device further comprises a data receiving and transmitting module, which is used for sending the data in the accident area into the cloud server or collecting the data information sent by the cloud server.

In addition, the radar early warning device also comprises a GPS module, a power module, a controller and the like, and the functions and the setting modes of the radar early warning device are all mature prior art and are not repeated.

The automatic calibration steps of the radar warning device in the above preferred embodiment are as follows:

S101: and determining the position of the millimeter wave radar in the road.

Specifically, when setting the position of the radar warning device, the worker only needs to set it in front of the rest of the accident and locate its position at the center position of the accident lane. It is to be understood that forward here refers to the accident area on the lane in the direction of the coming vehicle.

S102: the offset of the millimeter wave radar is measured by a detection unit.

Further, in detecting the offset amount of the millimeter wave radar by the detection unit, it can be divided into two aspects of detection by the image pickup assembly and sensor detection. The detection steps of the offset of the detection unit by using the image pickup assembly are as follows:

S1021: and constructing a virtual coordinate system by taking the midpoint of the millimeter wave radar as an origin, collecting image information of a road through a camera assembly, and constructing a virtual lane scene by combining the virtual coordinate system.

S1022: and acquiring an included angle between the camera shooting assembly and the lane line, and calculating the angle between the millimeter wave radar and the lane line according to the included angle.

S1023: and calculating the angle required to be adjusted by the electric cradle head according to the angle between the millimeter wave radar and the lane line.

In addition, the step of detecting the detection unit offset by the sensor is as follows:

s1025: the state of the radar early warning device in use is monitored through the displacement sensor.

S1026: and acquiring offset data of the displacement sensor when the displacement sensor monitors that the device is offset.

S103: according to the offset amount, the automatic adjusting unit is controlled to adjust the orientation and position of the millimeter wave radar.

S104: and (5) completing automatic calibration between the radar early warning equipment and the lane line.

It can be understood that both the above two methods can be used for calibration operation of the radar warning device when in use, and the method for adjusting the radar by using the image capturing assembly can also be applied to primary alignment operation of the device with the lane line after setting, and the adjustment method is the same as the steps in steps S1021 to S1024. Therefore, the rapid positioning and alignment of the radar early-warning device before use and the rapid correction of the radar early-warning device during use are realized.

Further, the manual adjustment steps of the radar warning device in the above preferred embodiment are as follows:

s201: the position of the radar warning device in the road is determined.

S202: and observing the positions of the radar early warning devices in the two routes through the manual aiming unit.

S203: according to the result of manual observation, the direction of the radar early warning device is adjusted by using the rotating piece.

S203: and (5) completing the manual calibration of the radar early warning equipment.

It will be appreciated that the above-described manner of utilizing manual adjustment may be applicable to post-setting adjustment operations of the device, which enable rapid alignment of the radar warning device with the lane lines and their preliminary positioning in the roadway.

In the above embodiment, the utility model discloses three adjustment methods of radar warning equipment, wherein the adjustment method by using the camera assembly is applicable to automatic adjustment of the equipment before and during use; the mode of detection and corresponding adjustment by using the sensor can only be suitable for automatic adjustment of the equipment in use. Finally, the mode of aiming and adjusting the radar warning equipment by using the manual aiming unit is only suitable for preliminary adjustment of the equipment before use. Therefore, the adjustment mode, the adjustment speed and the adjustment precision of the radar early warning device can be applied to practical application in parallel through the multiple modes, and further accurate detection of the radar early warning device on the direction of the coming vehicle of the lane is effectively guaranteed.

The radar early warning device is compact in overall structure and convenient to adjust, not only can realize calibration operation of the radar early warning device before use, but also can detect the gesture of the radar early warning device in real time in the use process, and automatically adjusts the radar early warning device when the radar early warning device is deviated, so that the radar early warning device is aligned with the detected lane at any time, and therefore, the rapid and accurate calibration operation of the radar early warning device is realized, and the radar early warning device has good practical value and popularization prospect.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The radar early warning device is characterized by comprising a millimeter wave radar and an alarming component electrically connected with the millimeter wave radar, wherein the millimeter wave radar is used for detecting a vehicle in a detection range of the millimeter wave radar and alarming the vehicle through the alarming component; a first gesture detection and adjustment assembly and a second gesture detection and adjustment assembly are arranged corresponding to the millimeter wave radar;

The first gesture detection and adjustment assembly comprises an electric cradle head and a camera shooting assembly, wherein the electric cradle head and the camera shooting assembly are connected with the millimeter wave radar, and the shooting direction of the camera shooting assembly is the same as the direction of the millimeter wave radar;

the second posture adjustment assembly comprises a manual aiming unit and a manual adjustment unit; the manual adjusting unit is connected with the millimeter wave radar; the aiming direction of the manual aiming unit is the same as the detection direction of the millimeter wave radar, and the manual aiming unit is used for positioning the millimeter wave radar in alignment with a lane line.

2. The radar warning device according to claim 1, wherein a display assembly is provided corresponding to the camera assembly, the display assembly being electrically connected to the camera assembly;

At least one pair of auxiliary lines are arranged in the display assembly and used for aligning with lane lines in the image information displayed in the display assembly.

3. The radar warning device of claim 1, wherein a line of sight is provided within the manual sighting unit for alignment with a lane line; and is also provided with

And the manual sighting unit is also provided with a laser emission unit corresponding to the manual sighting unit, and the laser emission unit is used for emitting laser rays to the sighting direction of the manual sighting unit so as to assist the alignment between the manual sighting unit and the lane line.

4. The radar warning device of claim 1 wherein the warning assembly includes at least one audible warning assembly and at least one illuminated warning assembly;

The illumination alarm assembly comprises at least one directional light source and is used for emitting directional alarm light to the detection direction of at least one millimeter wave radar; the sound alarm assembly comprises at least one directional loudspeaker and is used for sending out directional warning sound to the detection direction of at least one millimeter wave radar.

5. The radar warning device according to any one of claims 1 to 4, further comprising a data transceiver module and a GPS positioning module communicatively connected thereto;

The GPS positioning module is used for positioning the position of the radar early warning device in a road; and the data transceiver module is in communication connection with the cloud server and is used for receiving the equipment position information acquired by the GPS positioning module and sending the equipment position information into the cloud server.

6. The radar warning device of claim 5, comprising a power source electrically connected to each component for powering each component;

The controller is electrically connected with the millimeter wave radar and the alarm component respectively and is used for receiving detection signals from the millimeter wave radar and controlling the alarm component to send alarm signals.