TWI637093B - Vehicle warning system - Google Patents

Abstract

A warning vehicle system includes a warning tripod, a motion planning unit, and a portable electronic device in communication with the warning tripod. The portable electronic device includes a motion control unit, and the warning tripod includes a power source, a positioning unit, and a motion unit. The positioning unit acquires position information of the warning tripod, and the motion planning unit alerts the position information and the warning triangle of the tripod according to the path. The preset initial motion direction of the rack and a safe distance plan the motion path of the warning tripod. The motion control unit sends a motion control signal according to the motion path and the preset motion speed, and the motion unit controls the motion tripod to move according to the motion speed and the motion path according to the motion control signal.

Description

Warning vehicle system

The invention relates to the field of safety warning of automobiles, and in particular to a warning vehicle system.

Cars have gradually become one of the main means of transportation for people to travel daily. While the car is convenient for people's lives, it is also accompanied by a great danger. Especially when the car is driving on the expressway, accidents such as puncture, rear-end collision, rollover, and impact often occur. In the event of a breakdown or accident, the driver is required to stop in time, turn on the double flashing lights and place a tripod 100 meters behind the vehicle to transmit a warning signal to the passing vehicles to avoid the impact accident.

On the expressway, due to the fast speed and large traffic volume, when using the existing warning tripod, the user is required to carry the tripod back and forth at a distance of 100 meters. This way of retracting the tripod has The greater the danger, in the event of a collision, the consequences are unimaginable.

In view of this, it is necessary to provide a warning vehicle system that can eliminate safety hazards.

A warning vehicle system includes a warning tripod, the warning vehicle system further includes a motion planning unit and a portable electronic device communicating with the warning tripod, the portable electronic device includes a motion control unit, and the warning tripod includes a power supply and a positioning a unit and a motion unit, the positioning unit acquires location information of the warning tripod, the location information includes road information indicating the location of the tripod, and the road information includes whether the curve and the curved road correspond to the curvature and the length, the motion The planning unit includes a path planning unit that plans a motion path of the warning tripod according to the position information of the warning tripod, the preset initial movement direction of the warning tripod, and a safety distance, where the motion path includes a direction of motion and a distance of movement in each direction, the distance between the start point and the end point of the motion path being equal to the safety distance, the motion control unit issuing a motion control signal according to the motion path and the preset motion speed, the motion unit according to the motion The control signal controls the warning tripod to move according to the speed of movement and the path of motion.

The above-mentioned warning vehicle system can control the movement of the warning tripod to the position of the warning vehicle through the portable electronic device, thereby eliminating the safety hazard of placing the warning tripod by the user running back and forth.

100‧‧‧Warning vehicle system

200‧‧‧Warning tripod

300‧‧‧Portable electronic devices

20‧‧‧Power supply

22‧‧‧Switch unit

24‧‧‧ Positioning unit

26‧‧‧ sports unit

50‧‧‧Sports Planning Unit

51‧‧‧Path Planning Unit

30‧‧‧Switch Control Unit

32‧‧‧Motion Control Unit

53‧‧‧ storage unit

54‧‧‧Speed confirmation unit

56‧‧‧Distance confirmation unit

52‧‧‧Speed setting unit

400‧‧‧Cloud Server

28‧‧‧Light source

36‧‧‧Return control unit

38‧‧‧Lighting control unit

1 is a block diagram of an alert vehicle system in an embodiment.

2 is a block diagram of a warning vehicle system in another embodiment.

3 is a block diagram of an alert vehicle system in another embodiment.

Referring to FIG. 1 , an alert vehicle system 100 includes a warning tripod 200 and a portable electronic device 300 in communication with the alert tripod 200. The warning tripod 200 and the portable electronic device 300 communicate via Bluetooth. The portable electronic device 300 can be a mobile phone. The portable electronic device 300 controls the warning tripod 200 to automatically move to a safe position to alert other vehicles at the location of the accident vehicle and control the warning tripod 200 to automatically return to the location of the accident vehicle after the warning is over.

The warning tripod 200 includes a power source 20, a switch unit 22, a positioning unit 24, and a motion unit 26. The switch unit 22 turns on and off the power source 20 of the warning tripod 200. In the present embodiment, the portable electronic device 300 includes a switch control unit 30. The switch control unit 30 controls the opening and closing of the switch unit 22. In other embodiments, the switch unit 22 is manually controlled. The positioning unit 24 obtains the location information of the warning tripod 200, and the location information includes road information indicating the location of the tripod, and the road information includes whether the curve is curved and the length corresponding to the curved road and the curved road.

The alert vehicle system 100 also includes a motion planning unit 50. In this embodiment, the motion planning unit 50 runs on the portable electronic device 300. The portable electronic device 300 also includes a transport Control unit 32. The motion planning unit 50 includes a path planning unit 51. The path planning unit 51 plans the motion path of the warning tripod according to the position information of the warning tripod 200, the preset initial movement direction of the warning tripod 200, and a safety distance. The motion path includes the direction of motion and the distance of motion in each direction. The distance between the start and end points of the motion path is equal to the safe distance. The motion control unit 32 issues a motion control signal according to the motion path and the preset motion speed, and the motion unit 26 controls the motion tripod 200 to move according to the motion speed and the motion path according to the motion control signal.

The preset initial motion direction may be a fixed direction, such as the southeast direction, or may be determined by the user when placing the warning tripod 200. In an embodiment, when the road at the position where the warning tripod 200 is located is a straight line, the motion path includes a moving direction and a moving distance in the direction, and the moving distance is equal to the safe distance. In another embodiment, when the road at the location where the warning tripod 200 is located is a curve, the motion path includes a plurality of directions of motion and a distance of motion in each direction.

In the present embodiment, the motion planning unit 50 further includes a speed setting unit 52 that sets the motion speed of the warning tripod 200 so that the motion speed can be set according to the needs of the user. In other embodiments, the speed of movement can be a predetermined fixed speed.

In one embodiment, the safety distance is fixed and is a fixed distance, such as 100 meters. Referring to FIG. 2, in another embodiment, the safety distance is determined according to the position of the warning tripod 200. The motion planning unit 50 includes a further storage unit 53, a speed confirmation unit 54, and a distance confirmation unit 56. The storage unit 53 stores geographic information including a map and a maximum speed limit of each road on the map. The speed confirmation unit 54 confirms the road where the warning tripod 200 is located according to the location information of the warning tripod 200 and the geographic information. Maximum speed limit. The storage unit 53 also stores a speed distance relationship. The speed distance relationship indicates the safety distance corresponding to different maximum speed limits. The distance confirmation unit 56 confirms the safety distance corresponding to the position where the warning tripod 200 is located based on the speed distance relationship.

Referring to FIG. 3 , the warning vehicle system 100 further includes a cloud server 400 that communicates with the warning tripod 200 and the portable electronic device 300 . The motion planning unit 50 runs on the cloud server 400 . The speed of movement can be a predetermined fixed speed.

The portable electronic device 300 further includes a return control unit 36. The return control unit 36 issues a return control signal in accordance with the return operation of the user. The motion unit 26 controls the warning tripod 200 to perform reverse motion according to the motion speed and the motion path according to the return control signal to return the warning tripod 200 to the location of the accident vehicle.

The warning tripod 200 further includes a light source 28, and the portable electronic device 300 further includes an illumination control unit 38. The illumination control unit 38 transmits an illumination control signal to control the illumination of the light source 28 in response to the illumination operation.

The above-mentioned warning vehicle system 100 can control the movement of the warning tripod 200 to the position of the warning vehicle through the portable electronic device 300, thereby eliminating the safety hazard of placing the warning tripod 200 by the user running back and forth.

It is to be understood by those skilled in the art that the above embodiments are only intended to illustrate the invention, and are not intended to limit the invention, as long as it is within the spirit of the invention Changes and variations are within the scope of the invention as disclosed.

Claims (10)

A warning vehicle system includes a warning tripod, the warning vehicle system further includes a motion planning unit and a portable electronic device communicating with the warning tripod, the portable electronic device includes a motion control unit, and the warning tripod includes a power supply and a positioning a unit and a motion unit, the positioning unit acquires location information of the warning tripod, the location information includes road information indicating the location of the tripod, and the road information includes whether the curve and the curved road correspond to the curvature and the length, the motion The planning unit includes a path planning unit that plans a motion path of the warning tripod according to the position information of the warning tripod, the preset initial motion direction of the warning tripod, and a safety distance, where the motion path includes the direction of motion and in each direction a moving distance, the distance between the start point and the end point of the motion path is equal to the safety distance, and the motion control unit sends a motion control signal according to the motion path and the preset motion speed, and the motion unit controls the warning tripod according to the motion control signal. The speed of movement and the path of motion Movement, said tripod further comprises a warning light, portable electronic device further includes a light emission control unit, the light emission control unit transmits the operation response emitting light source emitting light emission control signal. The warning vehicle system of claim 1, wherein the motion planning unit comprises a storage unit, a speed confirmation unit, and a distance confirmation unit, wherein the storage unit stores geographic information and a speed distance relationship, the speed distance relationship indicating different The safety distance corresponding to the maximum speed limit, the geographic information includes a maximum speed limit of each road on the map and the map, and the speed confirmation unit confirms the maximum road of the warning tripod according to the location information of the warning tripod and the geographic information. The speed limit, the distance confirmation unit confirms the safety distance corresponding to the position of the warning tripod according to the speed distance relationship. The warning vehicle system of claim 2, wherein the portable electronic device further comprises a return control unit, the return control unit sends a return control signal according to the return operation, and the motion unit controls the warning tripod according to the return control signal. The movement speed and the motion path are reversed. The warning vehicle system of claim 2, wherein the motion planning unit operates on the portable electronic device. The warning vehicle system of claim 2, wherein the warning vehicle system further comprises a cloud server in communication with the warning tripod and the portable electronic device, the motion planning unit running on the cloud server. The warning vehicle system of claim 1, wherein the movement speed is a predetermined fixed speed. The warning vehicle system of claim 1, wherein the motion planning unit further comprises a speed setting unit that sets the motion speed of the warning tripod. The warning vehicle system of claim 1, wherein when the road at the position where the warning tripod is located is a straight line, the motion path includes a moving direction and a moving distance in the direction, and the moving distance Equal to the safe distance. The warning vehicle system of claim 1, wherein when the road at the position where the warning tripod is located is a curve, the motion path includes a plurality of moving directions and a moving distance in each direction. The warning vehicle system of claim 1, wherein the warning tripod further comprises a switch unit that turns on and off the power of the warning tripod, the portable electronic device includes a switch control unit, and the switch control unit controls Switch unit is turned on and off.