CN218181662U

CN218181662U - Column type active curve early warning device

Info

Publication number: CN218181662U
Application number: CN202222358892.5U
Authority: CN
Inventors: 丰诗洋
Original assignee: Sichuan Ji'an Intelligent Transportation Technology Co ltd
Current assignee: Sichuan Ji'an Intelligent Transportation Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-30
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a column initiative bend early warning device can measure the speed of traveling of vehicle through a plurality of sensors, then drives white lamp matrix, yellow light matrix or red light matrix scintillation according to the speed of traveling of difference to the car owner is reminded at the initiative too fast, thereby reduces the emergence of bend accident.

Description

Column type active curve early warning device

Technical Field

The utility model belongs to the high-speed equipment field, concretely relates to column initiative bend early warning device.

Background

The highway belongs to a high-grade highway. The highway is a highway which can adapt to the average day and night passenger car traffic volume of more than 25000 vehicles in the year, is specially used for the lane-dividing high-speed driving of automobiles and can control the entrance and the exit of the automobiles. Although the names of the highways are different in all countries, the highways are specially over 4 lanes (including the highway), are driven in two-way separation, are completely controlled to enter and exit, and are all intersected stereoscopically. In addition, some countries control partial entrances and exits, and some direct trunks that do not all use grade crossings are also called highways.

In general, a highway can accommodate speeds of 120 km/h or more (typically 120 km/h) and a road surface having a width of 4 lanes or more (inclusive). The middle is provided with a separation belt, adopts asphalt concrete or cement concrete high-grade pavement and is provided with complete marks, marked lines, signals and lighting devices; the pedestrians and the non-motor vehicles are prohibited from walking on the road, and the pedestrians and the non-motor vehicles are allowed to pass through the road by adopting the flyover crossing and the pedestrian overpass bridge or the underpass with other lines. As can be seen by definition, a highway should generally meet the following 4 conditions: (1) only used for high-speed running of the automobile; (2) The device is provided with a plurality of lanes and a central separation belt, which completely separate the back-and-forth traffic; (3) a three-dimensional intersection is arranged; (4) The whole line is closed, the entrance and the exit are controlled, and only the vehicles enter and exit the highway at specified three-dimensional intersections.

In the existing expressway, a plurality of curves still exist, only a deceleration notice board is arranged on the curves at present, and a device for reminding a vehicle owner of decelerating or reminding the vehicle owner of whether the vehicle speed is dangerous or not is not arranged, so that once the vehicle speed is too fast, traffic accidents are very easy to happen on the curves, and life and property losses are caused.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to among the prior art, the utility model provides a pair of column initiative bend early warning device has solved among the prior art and has only set up the notice board that slows down on the bend, can't initiatively remind the problem that the car owner slowed down.

In order to achieve the purpose of the invention, the utility model adopts the technical scheme that: a column type active curve early warning device comprises a controller, a shell, a white light matrix, a yellow light matrix, a red light matrix, at least one supporting leg, a first vehicle sensor, a second vehicle sensor, a third vehicle sensor and a fourth vehicle sensor;

the controller sets up in the inside bottom of shell, an at least supporting legs sets up in the outside bottom of shell, white light matrix, yellow light matrix and red light matrix all set up in the one side of shell surface, first vehicle sensor, second vehicle sensor, third vehicle sensor and fourth vehicle sensor all set up on the lane, white light matrix, yellow light matrix, red light matrix, first vehicle sensor, second vehicle sensor, third vehicle sensor and fourth vehicle sensor all with controller electric connection.

In one possible embodiment, the first vehicle sensor and the second vehicle sensor are arranged on a straight line perpendicular to the lane, the third vehicle sensor and the fourth vehicle sensor are arranged on another straight line perpendicular to the lane, the straight line and the another straight line are spaced apart by S meters, and the straight line and the another straight line are both located in a uniform plane with the lane.

In a possible implementation manner, the controller includes a control chip U1 with a model AT89C51, the RST pin of the control chip U1 is connected with the negative electrode of the polar capacitor C1, the ground resistor R1 and one end of the switch S1, the negative electrode of the polar capacitor C1 and the other end of the switch S1 are connected with +5V voltage, the XTAL1 pin of the control chip U1 is connected with one end of the ground capacitor C3 and one end of the crystal oscillator Y1, and the XTAL2 pin of the control chip U1 is connected with the other end of the ground capacitor C2 and the other end of the crystal oscillator Y1.

In a possible implementation manner, the first vehicle sensor includes an ultrasonic sensor U2 of the model HC-HR04, a VCC pin of the ultrasonic sensor U2 is connected to a +5V voltage, a TRIG pin of the ultrasonic sensor U2 is connected to a P0.0 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U2 is connected to a P0.1 pin of the control chip U1, and a GND pin of the ultrasonic sensor U2 is grounded.

In a possible implementation manner, the second vehicle sensor includes an ultrasonic sensor U3 of model HC-HR04, the VCC pin of the ultrasonic sensor U3 is connected to +5V voltage, the TRIG pin of the ultrasonic sensor U3 is connected to the P0.2 pin of the control chip U1, the ECHO pin of the ultrasonic sensor U3 is connected to the P0.3 pin of the control chip U1, and the GND pin of the ultrasonic sensor U3 is grounded.

In a possible implementation manner, the third vehicle sensor includes an ultrasonic sensor U4 with model number HC-HR04, a VCC pin of the ultrasonic sensor U4 is connected to a +5V voltage, a TRIG pin of the ultrasonic sensor U4 is connected to a P0.4 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U4 is connected to a P0.5 pin of the control chip U1, and a GND pin of the ultrasonic sensor U4 is grounded.

In a possible implementation manner, the fourth vehicle sensor includes an ultrasonic sensor U5 with a model number HC-HR04, a VCC pin of the ultrasonic sensor U5 is connected to a +5V voltage, a TRIG pin of the ultrasonic sensor U5 is connected to a P0.6 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U5 is connected to a P0.7 pin of the control chip U1, and a GND pin of the ultrasonic sensor U5 is grounded.

In a possible implementation manner, the device further comprises a resistor R2, a resistor R3, a triode Q1, a photoelectric coupling tube OP1 with the model of TLP521-1, a resistor R4, a resistor R5, a triode Q2, a diode D1 and a relay K1;

one end of a switch in the relay K1 is connected with a power supply end of a white lamp matrix, the other end of the switch in the relay K1 is connected with a white lamp power supply of the white lamp matrix, one end of a coil in the relay K1 is respectively connected with a negative electrode of a diode D1 and +12V voltage, the other end of the coil in the relay K1 is respectively connected with a positive electrode of the diode D1 and a collector of a triode Q2, an emitter of the triode Q2 is grounded, a base of the triode Q2 is respectively connected with one end of a resistor R4 and a ground resistor R5, the other end of the resistor R4 is connected with an emitter of a triode in a photoelectric coupling tube OP1, a collector of the triode in the photoelectric coupling tube OP1 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP1 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP1 is connected with a collector of the triode Q1, an emitter of the triode Q1 is grounded, a base of the triode Q1 is respectively connected with one end of the resistor R2 and the ground resistor R3, and the other end of the control chip U1.0.0.

In a possible implementation manner, the device further comprises a resistor R6, a resistor R7, a transistor Q3, a photoelectric coupling tube OP2 of the type TLP521-1, a resistor R8, a resistor R9, a transistor Q4, a diode D2 and a relay K2;

one end of a switch in the relay K2 is connected with a power supply end of a yellow light matrix, the other end of the switch in the relay K2 is connected with a yellow light power supply of the yellow light matrix, one end of a coil in the relay K2 is respectively connected with a negative electrode of a diode D2 and +12V voltage, the other end of the coil in the relay K2 is respectively connected with a positive electrode of the diode D2 and a collector of a triode Q4, an emitter of the triode Q4 is grounded, a base electrode of the triode Q4 is respectively connected with one end of a resistor R8 and a ground resistor R9, the other end of the resistor R8 is connected with an emitter of a triode in a photoelectric coupling tube OP2, a collector of the triode in the photoelectric coupling tube OP2 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP2 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP2 is connected with a collector of the triode Q3, an emitter of the triode Q3 is grounded, a base electrode of the triode Q3 is respectively connected with one end of a resistor R6 and a ground resistor R7, and the other end of the pin P1.1 of a control chip U1.

In a possible implementation manner, the device further comprises a resistor R10, a resistor R11, a transistor Q5, a photoelectric coupling tube OP3 of the type TLP521-1, a resistor R12, a resistor R13, a transistor Q6, a diode D3 and a relay K3;

one end of a switch in the relay K3 is connected with a power supply end of a red light matrix, the other end of the switch in the relay K3 is connected with a red light power supply of the red light matrix, one end of a coil in the relay K3 is respectively connected with a negative electrode of a diode D3 and +12V voltage, the other end of the coil in the relay K3 is respectively connected with a positive electrode of the diode D3 and a collector of a triode Q6, an emitter of the triode Q6 is grounded, a base electrode of the triode Q6 is respectively connected with one end of a resistor R12 and a ground resistor R13, the other end of the resistor R12 is connected with an emitter of a triode in a photoelectric coupling tube OP3, a collector of the triode in the photoelectric coupling tube OP3 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP3 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP3 is connected with a collector of the triode Q5, an emitter of the triode Q5 is grounded, a base electrode of the triode Q5 is respectively connected with one end of a resistor R10 and a ground resistor R11, and the other end of the control chip U1.2.P.

The embodiment of the application provides a column type initiative bend early warning device can measure the speed of going of vehicle through a plurality of sensors, then drives white lamp matrix, yellow light matrix or red light matrix scintillation according to the speed of going of difference to the car owner speed is too fast in order to remind initiatively, thereby reduces the emergence of bend accident.

Drawings

Fig. 1 is a schematic structural diagram of a column-type active curve early warning device provided in an embodiment of the present application.

Fig. 2 is a circuit diagram of a controller according to an embodiment of the present disclosure.

FIG. 3 is a circuit diagram of a first vehicle sensor provided in an embodiment of the present application.

Fig. 4 is a circuit diagram of a second sensor provided in the embodiment of the present application.

Fig. 5 is a circuit diagram of a third vehicle sensor provided in an embodiment of the present application.

FIG. 6 is a circuit diagram of a fourth vehicle sensor provided in an embodiment of the present application.

Fig. 7 is a circuit diagram of a connection circuit between a white light matrix and a controller according to an embodiment of the present application.

Fig. 8 is a circuit diagram of a connection circuit between a yellow light matrix and a controller according to an embodiment of the present application.

Fig. 9 is a circuit diagram of a connection circuit between a red light matrix and a controller according to an embodiment of the present application.

Wherein: 1-controller, 2-housing, 3-white light matrix, 4-yellow light matrix, 5-red light matrix, 6-supporting foot, 7-first vehicle sensor, 8-second vehicle sensor, 9-third vehicle sensor, 10-fourth vehicle sensor.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. The drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the concepts of the application by those skilled in the art with reference to specific embodiments.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

The following describes embodiments of the present invention in detail with reference to the drawings.

As shown in fig. 1, a column type active curve early warning device includes a controller 1, a housing 2, a white light matrix 3, a yellow light matrix 4, a red light matrix 5, at least one supporting foot 6, a first vehicle sensor 7, a second vehicle sensor 8, a third vehicle sensor 9, and a fourth vehicle sensor 10; controller 1 sets up in the inside bottom of shell 2, an at least supporting legs 6 sets up in the outside bottom of shell 2, white lamp matrix 3, yellow lamp matrix 4 and red lamp matrix 5 all set up in the one side of shell 2 surface, first vehicle sensor 7, second vehicle sensor 8, third vehicle sensor 9 and fourth vehicle sensor 10 all set up on the lane, white lamp matrix 3, yellow lamp matrix 4, red lamp matrix 5, first vehicle sensor 7, second vehicle sensor 8, third vehicle sensor 9 and fourth vehicle sensor 10 all with controller 1 electric connection. The column type active curve early warning device can be fixed on the ground or a mounting surface through at least one supporting leg 6.

In one possible embodiment, the first vehicle sensor 7 and the second vehicle sensor 8 are arranged on a straight line perpendicular to the lane, the third vehicle sensor 9 and the fourth vehicle sensor 10 are arranged on another straight line perpendicular to the lane, the straight line and the another straight line are spaced apart by S meters, and the straight line and the another straight line are both in a uniform plane with the lane.

Alternatively, the first vehicle sensor 7 and the second vehicle sensor 8 may be arranged in parallel at the first position near the center of the lane, and the third vehicle sensor 9 and the fourth vehicle sensor 10 may be arranged in parallel at the first position near the center of the lane, so as to effectively avoid being crushed.

The distance between the first position and the second position can be S meters, the distance can be set to be 4-4.5 meters, after the first vehicle sensor 7 and the second vehicle sensor 8 detect the signals, the third vehicle sensor 9 and the fourth vehicle sensor 10 can also detect the signals within a threshold time, and the vehicle speed can be obtained according to the time interval and the distance between the two signal detections.

It should be noted that the first vehicle sensor 7, the second vehicle sensor 8, the third vehicle sensor 9 and the fourth vehicle sensor 10 may be extended by wires and disposed at the position where a curve enters, and the white light matrix 3, the yellow light matrix 4 and the red light matrix 5 are disposed in the curve, so that when a vehicle owner enters the curve, the vehicle owner can remind through lights of different colors, thereby achieving the purpose of active reminding.

As shown in fig. 2, the controller 1 includes a control chip U1 with a model AT89C51, a RST pin of the control chip U1 is connected to a negative electrode of a polar capacitor C1, a ground resistor R1 and one end of a switch S1, the negative electrode of the polar capacitor C1 and the other end of the switch S1 are connected to +5V, an XTAL1 pin of the control chip U1 is connected to one ends of a ground capacitor C3 and a crystal oscillator Y1, and an XTAL2 pin of the control chip U1 is connected to the other ends of a ground capacitor C2 and a crystal oscillator Y1.

As shown in FIG. 3, the first vehicle sensor 7 includes an ultrasonic sensor U2 with a model number HC-HR04, a VCC pin of the ultrasonic sensor U2 is connected with a +5V voltage, a TRIG pin of the ultrasonic sensor U2 is connected with a P0.0 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U2 is connected with the P0.1 pin of the control chip U1, and a GND pin of the ultrasonic sensor U2 is grounded.

As shown in FIG. 4, the second vehicle sensor 8 comprises an ultrasonic sensor U3 with the model number HC-HR04, the VCC pin of the ultrasonic sensor U3 is connected with the +5V voltage, the TRIG pin of the ultrasonic sensor U3 is connected with the P0.2 pin of the control chip U1, the ECHO pin of the ultrasonic sensor U3 is connected with the P0.3 pin of the control chip U1, and the GND pin of the ultrasonic sensor U3 is grounded.

As shown in FIG. 5, the third vehicle sensor 9 comprises an ultrasonic sensor U4 with the model number HC-HR04, a VCC pin of the ultrasonic sensor U4 is connected with a +5V voltage, a TRIG pin of the ultrasonic sensor U4 is connected with a P0.4 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U4 is connected with a P0.5 pin of the control chip U1, and a GND pin of the ultrasonic sensor U4 is grounded.

As shown in FIG. 6, the fourth vehicle sensor 10 includes an ultrasonic sensor U5 with a model HC-HR04, a VCC pin of the ultrasonic sensor U5 is connected to a +5V voltage, a TRIG pin of the ultrasonic sensor U5 is connected to a P0.6 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U5 is connected to a P0.7 pin of the control chip U1, and a GND pin of the ultrasonic sensor U5 is grounded.

As shown in fig. 7, the column-type active curve early warning device further includes a resistor R2, a resistor R3, a transistor Q1, a photoelectric coupling tube OP1 of TLP521-1 type, a resistor R4, a resistor R5, a transistor Q2, a diode D1, and a relay K1; one end of a switch in the relay K1 is connected to a power supply terminal of the white lamp matrix 3 (in general, passive lamps are connected to a positive power supply terminal and a negative power supply terminal, where the power supply terminal is connected to the positive power supply terminal, and the other end of the white lamp matrix 3 is connected to the negative power supply terminal, if an active lamp is used, the power supply terminal is also connected to the positive power supply terminal, and is connected to the positive power supply terminal through a relay, and the switch is controlled by the relay, the yellow lamp matrix 4 and the red lamp matrix 5 are the same, and will not be described later), the other end of the switch in the relay K1 is connected to the white lamp power supply of the white lamp matrix 3, one end of a coil in the relay K1 is connected to a negative terminal of the diode D1 and +12V voltage, the other end of the coil in the relay K1 is connected to a positive terminal of the diode D1 and a collector of the triode Q2, an emitter of the triode Q2 is grounded, a base of the triode Q2 is connected to one end of the resistor R4 and the ground resistor R5, the other end of the triode R4 is connected to an emitter of the diode OP1, and a base of the triode Q1 is connected to a ground, and a base of the triode Q2 is connected to a pin of the base of the diode P1 and a base of the triode Q1, and a pin of the triode Q2, and a base of the triode Q1, and a base of the triode Q2 are connected to a base of the triode P1, and a base of the triode 3.

As shown in fig. 8, the column-type active curve early warning device further includes a resistor R6, a resistor R7, a transistor Q3, a photoelectric coupling tube OP2 of TLP521-1 type, a resistor R8, a resistor R9, a transistor Q4, a diode D2, and a relay K2; one end of a switch in the relay K2 is connected with a power supply end of the yellow light matrix 4, the other end of the switch in the relay K2 is connected with a yellow light power supply of the yellow light matrix 4, one end of a coil in the relay K2 is respectively connected with a negative electrode of the diode D2 and +12V voltage, the other end of the coil in the relay K2 is respectively connected with a positive electrode of the diode D2 and a collector of the triode Q4, an emitter of the triode Q4 is grounded, a base electrode of the triode Q4 is respectively connected with one end of a resistor R8 and a ground resistor R9, the other end of the resistor R8 is connected with an emitter of the triode in the photoelectric coupling tube OP2, a collector of the triode in the photoelectric coupling tube OP2 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP2 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP2 is connected with a collector of the triode Q3, an emitter of the triode Q3 is grounded, a base electrode of the triode Q3 is respectively connected with one end of a resistor R6 and a resistor R7, and the other end of the ground resistor R6 is connected with a P1.1 pin of the control chip U1.

As shown in fig. 9, the column-type active curve early warning device further includes a resistor R10, a resistor R11, a transistor Q5, a photoelectric coupling tube OP3 of TLP521-1 type, a resistor R12, a resistor R13, a transistor Q6, a diode D3, and a relay K3; one end of a switch in the relay K3 is connected with a power supply end of the red lamp matrix 5, the other end of the switch in the relay K3 is connected with a red lamp power supply of the red lamp matrix 5, one end of a coil in the relay K3 is respectively connected with a negative electrode of the diode D3 and +12V voltage, the other end of the coil in the relay K3 is respectively connected with a positive electrode of the diode D3 and a collector of the triode Q6, an emitter of the triode Q6 is grounded, a base electrode of the triode Q6 is respectively connected with one end of a resistor R12 and a ground resistor R13, the other end of the resistor R12 is connected with an emitter of the triode in the photoelectric coupling tube OP3, a collector of the triode in the photoelectric coupling tube OP3 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP3 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP3 is connected with a collector of the triode Q5, an emitter of the triode Q5 is grounded, a base electrode of the triode Q5 is respectively connected with one end of the resistor R10 and the ground resistor R11, and the other end of the resistor R10 is connected with a pin P1.2 of the control chip U1.

Optionally, a power module may be further provided to convert an externally input power (e.g., commercial power) into voltages required by each device in the embodiment of the present application, for example, assuming that the input voltage is 220V ac, and the white light power, the yellow light power and the red light power are 36V dc, the 220V ac is converted into 36V dc by the power module.

The working principle of the column type active curve early warning device provided by the embodiment of the application is as follows: the first vehicle sensor 7 and the second vehicle sensor 8 are disposed at a first position on the lane (for example, assuming that the lane width is 3.75m, the line should be at a position of 1.875m, the line should be moved by 30cm to both sides, the first vehicle sensor 7 and the second vehicle sensor 8 are disposed at the moved positions, and the line connecting the first vehicle sensor 7 and the second vehicle sensor 8 can be used as the first position), and the second position of the third vehicle sensor 9 and the fourth vehicle sensor 10 is separated by S meters (for example, 4 m).

After the first vehicle sensor 7 and the second vehicle sensor 8 detect signals simultaneously, if the third vehicle sensor 9 and the fourth vehicle sensor 10 also detect signals within the threshold time, the signals are considered to be triggered by the same vehicle, and the vehicle speed is acquired through the controller 1 according to the time triggered by the two signals and the distance between the first position and the second position. And if the vehicle speed meets the starting condition of the white light matrix 3, controlling the white light matrix 3 to flicker. And if the vehicle speed meets the starting condition of the yellow light matrix 4, controlling the yellow light matrix 4 to flicker. And if the vehicle speed meets the starting condition of the red light matrix 5, controlling the red light matrix 5 to flicker. For example, when the vehicle speed is 100, the white light matrix 3 is controlled to flicker; when the vehicle speed is 100-120, controlling the yellow light matrix 4 to flicker; when the vehicle speed is 120 or more, the red light matrix 5 is controlled to blink, which is merely an example, and the turn-on condition of the light matrix may be set to another vehicle speed.

It is worth explaining that the four sensors can be arranged at the entering position of a curve, the white light matrix 3, the yellow light matrix 4 and the red light matrix 5 can be arranged in the curve, and after the vehicle speed is detected to be too fast, the vehicle owner is actively reminded of decelerating by adopting the lights with different colors.

The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A column type active curve early warning device is characterized by comprising a controller (1), a shell (2), a white light matrix (3), a yellow light matrix (4), a red light matrix (5), at least one supporting leg (6), a first vehicle sensor (7), a second vehicle sensor (8), a third vehicle sensor (9) and a fourth vehicle sensor (10);

controller (1) sets up in the inside bottom of shell (2), an at least supporting legs (6) set up in the outside bottom of shell (2), white light matrix (3), yellow light matrix (4) and red light matrix (5) all set up in the one side of shell (2) surface, first vehicle sensor (7), second vehicle sensor (8), third vehicle sensor (9) and fourth vehicle sensor (10) all set up on the lane, white light matrix (3), yellow light matrix (4), red light matrix (5), first vehicle sensor (7), second vehicle sensor (8), third vehicle sensor (9) and fourth vehicle sensor (10) all with controller (1) electric connection.

2. A column active curve pre-warning device according to claim 1, characterized in that the first vehicle sensor (7) and the second vehicle sensor (8) are arranged on a line perpendicular to the lane, the third vehicle sensor (9) and the fourth vehicle sensor (10) are arranged on another line perpendicular to the lane, the one line is S meters away from the other line, and the one line and the other line are both in a uniform plane with the lane.

3. The column active bend early warning device of claim 1, wherein the controller (1) comprises a control chip U1 with a model AT89C51, the RST pin of the control chip U1 is connected to the negative electrode of the polar capacitor C1, the ground resistor R1 and one end of the switch S1, the negative electrode of the polar capacitor C1 and the other end of the switch S1 are connected to +5V, the XTAL1 pin of the control chip U1 is connected to one end of the ground capacitor C3 and one end of the crystal oscillator Y1, and the XTAL2 pin of the control chip U1 is connected to the other end of the ground capacitor C2 and the other end of the crystal oscillator Y1.

4. The column active bend warning device according to claim 3, wherein the first vehicle sensor (7) comprises an ultrasonic sensor U2 of HC-HR04, a VCC pin of the ultrasonic sensor U2 is connected to +5V, a TRIG pin of the ultrasonic sensor U2 is connected to a P0.0 pin of a control chip U1, an ECHO pin of the ultrasonic sensor U2 is connected to a P0.1 pin of the control chip U1, and a GND pin of the ultrasonic sensor U2 is grounded.

5. The column active curve early warning device according to claim 3, wherein the second vehicle sensor (8) comprises an ultrasonic sensor U3 with a model number HC-HR04, a VCC pin of the ultrasonic sensor U3 is connected with a voltage of +5V, a TRIG pin of the ultrasonic sensor U3 is connected with a P0.2 pin of a control chip U1, an ECHO pin of the ultrasonic sensor U3 is connected with a P0.3 pin of the control chip U1, and a GND pin of the ultrasonic sensor U3 is grounded.

6. The column active curve early warning device according to claim 3, wherein the third vehicle sensor (9) comprises an ultrasonic sensor U4 with a model number HC-HR04, a VCC pin of the ultrasonic sensor U4 is connected with a voltage of +5V, a TRIG pin of the ultrasonic sensor U4 is connected with a P0.4 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U4 is connected with a P0.5 pin of the control chip U1, and a GND pin of the ultrasonic sensor U4 is grounded.

7. The column active bend warning device of claim 3, wherein the fourth vehicle sensor (10) comprises an ultrasonic sensor U5 of HC-HR04, a VCC pin of the ultrasonic sensor U5 is connected to +5V, a TRIG pin of the ultrasonic sensor U5 is connected to a P0.6 pin of the control chip U1, an ECHO pin of the ultrasonic sensor U5 is connected to a P0.7 pin of the control chip U1, and a GND pin of the ultrasonic sensor U5 is grounded.

8. A column active curve pre-warning device according to claim 3, further comprising a resistor R2, a resistor R3, a triode Q1, a photoelectric coupling pipe OP1 of the model TLP521-1, a resistor R4, a resistor R5, a triode Q2, a diode D1 and a relay K1;

one end of a switch in the relay K1 is connected with a power supply end of a white light matrix (3), the other end of the switch in the relay K1 is connected with a white light power supply of the white light matrix (3), one end of a coil in the relay K1 is respectively connected with a negative electrode of a diode D1 and +12V voltage, the other end of the coil in the relay K1 is respectively connected with a positive electrode of the diode D1 and a collector electrode of a triode Q2, an emitting electrode of the triode Q2 is grounded, a base electrode of the triode Q2 is respectively connected with one end of a resistor R4 and a grounded resistor R5, the other end of the resistor R4 is connected with an emitting electrode of a triode in a photoelectric coupling tube OP1, a collector electrode of the triode in the photoelectric coupling tube OP1 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP1 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP1 is connected with a collector electrode of the triode Q1, an emitting electrode of the triode Q1 is grounded, a base electrode of the triode Q1 is respectively connected with one end of the resistor R2 and the grounded resistor R3, and a pin of the other end of the resistor R2 is connected with a control chip P1.0.0.0.1.

9. A column active curve pre-warning device according to claim 3, further comprising a resistor R6, a resistor R7, a triode Q3, a photoelectric coupling pipe OP2 of TLP521-1 type, a resistor R8, a resistor R9, a triode Q4, a diode D2 and a relay K2;

one end of a switch in the relay K2 is connected with a power supply end of a yellow light matrix (4), the other end of the switch in the relay K2 is connected with a yellow light power supply of the yellow light matrix (4), one end of a coil in the relay K2 is respectively connected with a negative electrode of a diode D2 and +12V voltage, the other end of the coil in the relay K2 is respectively connected with a positive electrode of the diode D2 and a collector of a triode Q4, an emitting electrode of the triode Q4 is grounded, a base electrode of the triode Q4 is respectively connected with one end of a resistor R8 and a grounding resistor R9, the other end of the resistor R8 is connected with an emitting electrode of a triode in a photoelectric coupling tube OP2, a collector of the triode in the photoelectric coupling tube OP2 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP2 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP2 is connected with a collector of the triode Q3, an emitting electrode of the triode Q3 is grounded, a base electrode of the triode Q3 is respectively connected with one end of a resistor R6 and a grounding resistor R7, and the other end of the resistor U1.1.1.1. Pin of the control chip.

10. A column active curve pre-warning device according to claim 3, further comprising a resistor R10, a resistor R11, a triode Q5, a photoelectric coupling pipe OP3 of TLP521-1 type, a resistor R12, a resistor R13, a triode Q6, a diode D3 and a relay K3;

one end of a switch in the relay K3 is connected with a power supply end of a red light matrix (5), the other end of the switch in the relay K3 is connected with a red light power supply of the red light matrix (5), one end of a coil in the relay K3 is respectively connected with a negative electrode of a diode D3 and +12V voltage, the other end of the coil in the relay K3 is respectively connected with a positive electrode of the diode D3 and a collector of a triode Q6, an emitting electrode of the triode Q6 is grounded, a base electrode of the triode Q6 is respectively connected with one end of a resistor R12 and a grounded resistor R13, the other end of the resistor R12 is connected with an emitting electrode of a triode in a photoelectric coupling tube OP3, a collector of the triode in the photoelectric coupling tube OP3 is connected with +5V voltage, a positive electrode of the diode in the photoelectric coupling tube OP3 is connected with +5V voltage, a negative electrode of the diode in the photoelectric coupling tube OP3 is connected with a collector of the triode Q5, an emitting electrode of the triode Q5 is grounded, a base electrode of the triode Q5 is respectively connected with one end of a grounded resistor R10 and the other end of a resistor R11, and a resistor U1.2.2.3 pin of a control chip.