CN212422961U - Driving early warning system - Google Patents
Driving early warning system Download PDFInfo
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- CN212422961U CN212422961U CN202020656631.XU CN202020656631U CN212422961U CN 212422961 U CN212422961 U CN 212422961U CN 202020656631 U CN202020656631 U CN 202020656631U CN 212422961 U CN212422961 U CN 212422961U
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Abstract
The utility model discloses a driving early warning system, which comprises a power supply circuit, a distance measuring circuit, a car lamp and a control circuit, wherein the power supply circuit is used for supplying power to the control circuit, and the control circuit is respectively electrically connected with the distance measuring circuit and the car lamp; the car lamps comprise a left headlamp, a right tail lamp, a left brake lamp and a right brake lamp; the distance measuring circuit comprises a vehicle left front distance measuring sensor, a vehicle right front distance measuring sensor, a vehicle left rear distance measuring sensor and a vehicle right rear distance measuring sensor. Implement the utility model discloses, can solve the vehicle and relate to the safety precaution problem with car and overtaking at the in-process of advancing, and then reduce the traffic accident.
Description
Technical Field
The utility model relates to a traffic field especially relates to a driving early warning system.
Background
With the development of automobiles, the quantity of automobile reserves is continuously increased, urban road traffic is more and more intensive, and when the distance between automobiles is closer and closer, rear-end accidents can be caused by one brake. Most automobile radars are mainly applied to automatic parking and backing warning at present, and most automobile radars do not have the requirements for the following field and the overtaking field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a driving early warning system is provided, can solve the vehicle and relate to with the safety precaution problem of car and overtaking at the in-process of advancing, and then reduce the traffic accident.
In order to solve the technical problem, the utility model provides a driving early warning system, which comprises a power supply circuit, a distance measuring circuit, a vehicle lamp and a control circuit, wherein the power supply circuit is used for supplying power to the control circuit, and the control circuit is respectively electrically connected with the distance measuring circuit and the vehicle lamp; the car lamps comprise a left headlamp, a right tail lamp, a left brake lamp and a right brake lamp; the distance measuring circuit comprises a vehicle left front distance measuring sensor, a vehicle right front distance measuring sensor, a vehicle left rear distance measuring sensor and a vehicle right rear distance measuring sensor; the left front distance measuring sensor is used for measuring the distance between a left front vehicle and the vehicle and sending the measured distance to the control circuit, and the control circuit further adjusts the flicker frequency of the left headlamp; the vehicle front right distance measuring sensor is used for measuring the distance between a vehicle in front of the right and the vehicle, and sending the measured distance to the control circuit, and the control circuit further adjusts the flicker frequency of the front right headlamp; the left rear distance measuring sensor is used for measuring the distance between a left rear vehicle and the vehicle and sending the measured distance to the control circuit, and the control circuit further adjusts the flicker frequency of the left tail lamp and the left brake lamp; the vehicle rear distance measuring sensor is used for measuring the distance between a vehicle behind the vehicle and sending the measured distance to the control circuit, and the control circuit further adjusts the flicker frequency of the right tail lamp and the right brake lamp.
Preferably, the driving early warning system further comprises six groups of amplifying circuits, the amplifying circuits correspond to the car lights one by one, and each car light is connected with the control circuit through the amplifying circuits.
Preferably, the amplifying circuit includes an operational amplifier, a first current limiting resistor, a first voltage dividing resistor, and a second voltage dividing resistor; the positive input end of the operational amplifier is connected with the control circuit through the first current limiting resistor; the negative input end of the operational amplifier is grounded through the first voltage-dividing resistor, and the negative input end and the output end of the operational amplifier are connected through the second voltage-dividing resistor; and the output end of the operational amplifier is connected with the car lamp.
Preferably, the power supply circuit comprises a storage battery, an ignition switch and a gear switch, and the storage battery is connected with the control circuit sequentially through the ignition switch and the gear switch.
Preferably, the power supply circuit further comprises a second current limiting resistor, and the storage battery is connected with the control circuit sequentially through the ignition switch, the gear switch and the second current limiting resistor.
Preferably, the voice reminding device further comprises a voice reminding module, and the voice reminding module is electrically connected with the control circuit.
Preferably, the vehicle left front distance measuring sensor, the vehicle right front distance measuring sensor, the vehicle left rear distance measuring sensor and the vehicle right rear distance measuring sensor are all ultrasonic distance measuring sensors.
Preferably, the ultrasonic ranging sensor is HC-SR 04.
Preferably, the control circuit includes an arduino uno chip and its peripheral circuits.
Implement the utility model has the advantages that:
the utility model provides a driving early warning system, which measures the distance between the front and rear vehicles and the vehicle through the distance measuring circuit; and comparing the measured vehicle distance with a safe vehicle distance threshold value and a dangerous vehicle distance threshold value preset by the control circuit, and adjusting the flashing frequency of the vehicle lamp so as to realize the safe early warning of following and overtaking and further reduce traffic accidents.
Drawings
Fig. 1 is a schematic view of a driving early warning system provided by the present invention;
fig. 2 is a circuit diagram of an amplifying circuit provided by the present invention;
fig. 3 is a circuit diagram of a power supply circuit provided by the present invention;
FIG. 4 is a circuit diagram of an embodiment of the present invention based on HC-SR04 and arduino uno chip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1, the utility model provides a pair of driving early warning system, including power supply circuit 1, range finding circuit 2, car light 3 and control circuit 4, power supply circuit 1 is used for supplying power for control circuit 4, control circuit 4 is connected with range finding circuit 2 and car light drive circuit 3 electricity respectively.
The car light 3 comprises a left headlamp, a right tail light, a left brake light and a right brake light; the distance measuring circuit 2 comprises a vehicle left front distance measuring sensor, a vehicle right front distance measuring sensor, a vehicle left rear distance measuring sensor and a vehicle right rear distance measuring sensor; the left front distance measuring sensor is used for measuring the distance between a left front vehicle and the vehicle and sending the measured distance to the control circuit 4, and the control circuit 4 further adjusts the flicker frequency of a left headlamp; the vehicle front right distance measuring sensor is used for measuring the distance between a vehicle in front of the right and the vehicle, and sending the measured distance to the control circuit 4, and the control circuit 4 further adjusts the flicker frequency of the front right headlamp; the left rear distance measuring sensor is used for measuring the distance between a left rear vehicle and the vehicle and sending the measured distance to the control circuit 4, and the control circuit 4 further adjusts the flicker frequency of the left tail lamp and the left brake lamp; the vehicle rear distance measuring sensor is used for measuring the distance between a vehicle behind the vehicle and sending the measured distance to the control circuit 4, and the control circuit further adjusts the flicker frequency of the right tail lamp and the right brake lamp.
Preferably, the driving early warning system further comprises a voice reminding module 5.
The utility model provides a driving early warning system measures the distance of front and back vehicle and this car through range finding circuit 2, through control circuit 4 with the measured distance with control circuit 4 predetermines safe car apart from threshold value and dangerous car apart from the threshold value and carry out the comparison. When the measured distance is larger than the safe vehicle distance threshold value, the control circuit 4 controls the vehicle lamp 3 not to flicker; when the measured distance is smaller than the safe vehicle distance threshold value and larger than the dangerous vehicle distance threshold value, the control circuit 4 controls the vehicle lamp 3 to flicker at low frequency to remind the driver of the opposite side, and the voice reminding module 5 is used for safely reminding the driver of the vehicle; when the measured distance is smaller than the dangerous vehicle distance threshold value, the control circuit 4 controls the vehicle lamp 3 to flicker at high frequency to warn the driver of the other side, and the voice reminding module 5 warns dangerously. Adopt the utility model discloses, can solve the vehicle and relate to the safety precaution problem with car and overtaking at the in-process of advancing, and then reduce the traffic accident.
Preferably, the lamp 3 is connected to the control circuit 4 via an amplifier circuit 6. The driving early warning system further comprises six groups of amplifying circuits, the amplifying circuits correspond to the car lamps one to one, and each car lamp is connected with the control circuit through the amplifying circuits.
As shown in fig. 2, further, the amplifying circuit 6 includes an operational amplifier U, a first current limiting resistor R1, a first voltage dividing resistor R2, and a second voltage dividing resistor R3; the positive input end of the operational amplifier U is connected to the control circuit 4 through the first current limiting resistor R1; the negative input end of the operational amplifier U is grounded through the first voltage-dividing resistor R2, and the negative input end and the output end of the operational amplifier U are connected through the second voltage-dividing resistor R2; and the output end of the operational amplifier U is connected with the car lamp.
As shown in fig. 3, the power supply circuit 1 preferably includes a battery E, an ignition switch K1, and a shift switch K2, and the battery E is connected to the control circuit 4 through the ignition switch K1 and the shift switch K2 in this order. The driving early warning system is only used when the vehicle is used, if the vehicle is not used, the early warning system is not triggered, so that an ignition switch K1 and a gear switch K2 are connected between a power supply and a control circuit, the early warning system is ensured to be started only when the vehicle is used, the energy consumption is avoided, and the vehicle is more environment-friendly. Preferably, the power supply circuit 1 further includes a second current limiting resistor R4, the battery E is connected to the control circuit 4 sequentially through the ignition switch K1, the shift switch K2, and a second current limiting resistor R4, and the second current limiting resistor R4 is used to protect the control circuit 4.
Preferably, the front left distance measuring sensor, the front right distance measuring sensor, the rear left distance measuring sensor and the rear right distance measuring sensor are all ultrasonic distance measuring sensors. Further, the ultrasonic ranging sensor is of a type HC-SR04, but is not limited thereto. Further, the control circuit 4 includes an arduino uno chip and its peripheral circuits.
As shown in fig. 4, the circuit connection is made in conjunction with HC-SR04 and arduino uno. Because the arduino uno can only provide 5V of voltage at most and has smaller output power, the circuit of the system adopts an amplifying circuit externally connected with a 12V power supply to drive an executing element. Control circuit 4 is including preceding control arduino uno chip and back control arduino uno chip, a great deal of parts such as arithmetic ware, controller, memory and input/output ware have all been integrated to the inside of preceding control arduino uno chip and back control arduino uno chip, have just contained a large amount of comparison circuit for example in the arithmetic ware, the utility model discloses a distance value that will transmit distance sensor compares with the inside distance threshold value that prestores of chip, carries out logical operation and handles, and then controls the flicker frequency of car light through output port.
Specifically, a 5V pin of the front control arduino uno chip provides 5V of working voltage for VCC pins of a left front sensor and a right front sensor (HC-SR 04); the GND pin of the front control arduino uno chip provides grounding for GND pins of a left front sensor and a right front sensor (HC-SR 04); pins 12 and 9 of the front control arduinouno chip are used for outputting pulse signals for trig pins of the left front sensor and the right front sensor respectively; pins 11 and 8 of the front control arduino uno chip respectively receive output signals of echo pins of the left front sensor and the right front sensor; the 4, 3 pins of preceding control arduino uno chip provide 5V's signal voltage for the amplifier circuit of left front warning light and right front warning light respectively. A 5V pin of the rear control arduino uno chip provides 5V working voltage for VCC pins of a left rear sensor and a right rear sensor (HC-SR 04); the GND pin of the rear control arduino uno chip provides grounding for GND pins of a left rear sensor and a right rear sensor (HC-SR 04); pins 12 and 9 of the rear control arduino uno chip are used for outputting pulse signals for trig pins of a left rear sensor and a right rear sensor respectively; pins 11 and 8 of the rear control arduino uno chip respectively receive output signals of echo pins of the left rear sensor and the right rear sensor; pins 5, 6, 3 and 4 of the rear control arduino uno chip respectively provide 5V signal voltage for amplifying circuits of the left rear warning lamp, the right rear warning lamp and the right rear warning lamp.
When the distance measuring circuit is used as a car following party, whether the car following distance is safe or not can be detected by the distance measuring circuit in front of the car at any time, the front lamps can be lightened to warn a driver once the car following distance is too close, whether the distance cut by the other party is safe or not can be judged when overtaking is encountered, the driver can make adjustment in time, for example, when overtaking is encountered in front of the left, if the distance cut by the other party triggers a safe distance threshold value, the control circuit controls the left front lamp to flicker at a low frequency to remind the driver of the other party to cut the lane, the voice reminding module can safely remind the driver of decelerating and driving, and if the distance cut by the other party triggers a dangerous distance threshold value, the control circuit controls the left front lamp to flicker at a high frequency to remind the driver of the other party to abandon the lane cutting and the.
When the automobile is used as a car-following part, the distance measuring circuit at the rear part can detect whether the car-following distance of the other side is safe or not, a rear driver is warned through the brake lamp and the tail lamp, and when the car needs to be overtaken and the original lane is cut in, the distance measuring circuit at the rear part can detect whether the distance between the automobile and the rear automobile is safe or not, so that the automobile can make adjustment in time. For example, when a passing vehicle is required to cut into an original lane from the right side, if the cut-in distance triggers a safe distance threshold, the control circuit controls the left headlamp to flicker at a low frequency to remind the driver of the opposite side of the lane to decelerate, and the voice reminding module is used for safely reminding the driver of the vehicle to cut the lane as soon as possible, if the cut-in distance triggers a dangerous distance threshold, the control circuit controls the right tail lamp and the right brake lamp to flicker at a high frequency to remind the driver of the opposite side of the lane to decelerate, and the voice reminding module is used for safely reminding the driver of the vehicle to abandon the lane cutting.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. A driving early warning system is characterized by comprising a power supply circuit, a distance measuring circuit, a vehicle lamp and a control circuit, wherein the power supply circuit is used for supplying power to the control circuit, and the control circuit is respectively electrically connected with the distance measuring circuit and the vehicle lamp;
the car lamps comprise a left headlamp, a right tail lamp, a left brake lamp and a right brake lamp;
the distance measuring circuit comprises a vehicle left front distance measuring sensor, a vehicle right front distance measuring sensor, a vehicle left rear distance measuring sensor and a vehicle right rear distance measuring sensor;
the left front distance measuring sensor is used for measuring the distance between a left front vehicle and the vehicle and sending the measured distance to the control circuit, and the control circuit is used for adjusting the flicker frequency of a left headlamp;
the vehicle front right distance measuring sensor is used for measuring the distance between a vehicle in front of the right and the vehicle and sending the measured distance to the control circuit, and the control circuit is used for adjusting the flicker frequency of the front right headlamp;
the left rear distance measuring sensor is used for measuring the distance between a left rear vehicle and the vehicle and sending the measured distance to the control circuit, and the control circuit is used for adjusting the flicker frequency of a left tail lamp and a left brake lamp;
the vehicle rear distance measuring sensor is used for measuring the distance between a vehicle behind the vehicle and sending the measured distance to the control circuit, and the control circuit is used for adjusting the flicker frequency of the right tail lamp and the right brake lamp.
2. The driving warning system according to claim 1, further comprising six sets of amplifying circuits, wherein the amplifying circuits correspond to the lamps one to one, and each lamp is connected to the control circuit through the amplifying circuit.
3. The driving warning system according to claim 2, wherein the amplifying circuit comprises an operational amplifier, a first current limiting resistor, a first voltage dividing resistor and a second voltage dividing resistor;
the positive input end of the operational amplifier is connected with the control circuit through the first current limiting resistor;
the negative input end of the operational amplifier is grounded through the first voltage-dividing resistor, and the negative input end and the output end of the operational amplifier are connected through the second voltage-dividing resistor;
and the output end of the operational amplifier is connected with the car lamp.
4. The driving early warning system of claim 1, wherein the power supply circuit comprises a storage battery, an ignition switch and a gear switch, and the storage battery is connected with the control circuit sequentially through the ignition switch and the gear switch.
5. The driving early warning system of claim 4, wherein the power supply circuit further comprises a second current limiting resistor, and the battery is connected with the control circuit sequentially through the ignition switch, the gear switch and the second current limiting resistor.
6. The driving early warning system of claim 1, further comprising a voice prompting module, wherein the voice prompting module is electrically connected with the control circuit.
7. The driving warning system of claim 1, wherein the front left ranging sensor, the front right ranging sensor, the rear left ranging sensor and the rear right ranging sensor are ultrasonic ranging sensors.
8. The traffic warning system according to claim 7, wherein the ultrasonic ranging sensor is HC-SR04 model.
9. The traffic warning system according to claim 1, wherein the control circuit comprises an arduino uno chip and its peripheral circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020656631.XU CN212422961U (en) | 2020-04-26 | 2020-04-26 | Driving early warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020656631.XU CN212422961U (en) | 2020-04-26 | 2020-04-26 | Driving early warning system |
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| CN212422961U true CN212422961U (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572443A (en) * | 2020-04-26 | 2020-08-25 | 佛山职业技术学院 | Driving early warning system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572443A (en) * | 2020-04-26 | 2020-08-25 | 佛山职业技术学院 | Driving early warning system and method |
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