CN114228705A - Electric vehicle early warning system and method - Google Patents
Electric vehicle early warning system and method Download PDFInfo
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- CN114228705A CN114228705A CN202210014732.0A CN202210014732A CN114228705A CN 114228705 A CN114228705 A CN 114228705A CN 202210014732 A CN202210014732 A CN 202210014732A CN 114228705 A CN114228705 A CN 114228705A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract 1
- 206010039203 Road traffic accident Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to an electric vehicle early warning system and a method, comprising the following steps: the system comprises a radar monitoring system, an image sensor, a vehicle control unit and an indicator light prompting system; the radar monitoring system transmits radar signals to the periphery of a target vehicle and receives echo signals reflected after the radar signals reach an obstacle; when receiving an echo signal, the image sensor acquires image information around a target vehicle; the vehicle control unit sends out an obstacle early warning signal according to the image information; and the indicator light prompting system sends a flashing signal to a driver of the target vehicle according to the obstacle early warning signal. The whole process adopts the radar detection system and is assisted by the image sensor and the indicator light prompt system, and the driver is early warned by the indicator light when the potential collision danger exists, so that the safety of the driver is ensured.
Description
Technical Field
The invention relates to the technical field of traffic, in particular to an electric vehicle early warning system and method.
Background
When a driver drives a vehicle at a crossing and needs to turn and change directions, the driver needs to pay attention to the following distance between the driver and a front vehicle and the safety distance between the driver and a vehicle beside the driver due to different rules of each traffic light crossing, and the light at the crossing is not enough at night, or an extremely individual vehicle runs by adopting a high beam to shield the view of the driver, so that a view blind area is formed, the driver cannot pay attention to the electric vehicles running through the crossing in time, collision is easy to happen, and traffic accidents are caused.
The existing automobile anti-collision early warning system monitors a front vehicle through a radar monitoring system, transmits a radar beam to a road vehicle coming direction through the radar monitoring system, receives a reflected echo of the automobile, judges the distance, the relative speed and the like between the automobile and the front vehicle through echo analysis, carries out early warning on a driver through sound when potential collision danger exists, and has the problems of easy dispersion of the attention of the driver and unsafe driving due to sound early warning.
Disclosure of Invention
The invention aims to provide an electric vehicle early warning system and method to ensure the safety of a driver.
In order to achieve the purpose, the invention provides the following scheme:
an electric vehicle early warning system, comprising: the system comprises a radar monitoring system, an image sensor, a vehicle control unit and an indicator light prompting system;
the radar monitoring system is connected with the image sensor; the image sensor is connected with the vehicle control unit; the whole vehicle controller is connected with the indicator light prompt system;
the radar monitoring system is used for transmitting radar signals to the periphery of a target vehicle and receiving echo signals reflected after the radar signals reach an obstacle; the image sensor is used for acquiring image information around the target vehicle when the echo signal is received; the vehicle control unit is used for sending out an obstacle early warning signal according to the image information; and the indicator light prompt system is used for sending a flashing signal to a driver of the target vehicle according to the obstacle early warning signal.
Optionally, the radar monitoring system includes: a radar sensor and an antenna;
the radar sensor is connected with the antenna; the radar sensor is connected with the image sensor.
Optionally, the radar monitoring system further includes: a host computer;
the host computer is respectively connected with the radar sensor and the image sensor; and the host computer is used for receiving the position information of the target vehicle fed back by the radar sensor in real time and controlling the shooting angle of the image sensor.
Optionally, the system further comprises: an industrial personal computer;
the industrial personal computer is respectively connected with the image sensor and the vehicle control unit; the industrial personal computer is used for identifying the image information around the target vehicle collected by the image sensor and transmitting the identified image information to the vehicle control unit.
Optionally, the system further comprises: a vehicle body controller;
the vehicle body controller is respectively connected with the vehicle control unit, the radar monitoring system, the image sensor and the indicator light prompting system.
Optionally, the indicator light prompt system includes: indicator lights and data transmission lines;
the indicating lamp with the automobile body controller is connected through a data transmission line, and the indicating lamp is connected with the whole automobile controller through the automobile body controller.
Optionally, the radar sensor is located on a bumper of the target vehicle.
Optionally, the image sensor is located on a windshield of the target vehicle.
Optionally, the indicator light is located on a console in front of a driver's seat of the target vehicle.
An electric vehicle early warning method comprises the following steps:
acquiring image information around a target vehicle; the image information is obtained by shooting the surrounding environment of the target vehicle when the image sensor receives an echo signal; the echo signal is a signal which is reflected after a radar signal transmitted to the periphery of the target vehicle by the radar monitoring system reaches an obstacle;
and determining an obstacle early warning signal according to the image information, and sending the obstacle early warning signal to an indicator light prompting system so as to control the indicator light prompting system to send a flashing signal to a driver of the target vehicle according to the obstacle early warning signal.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention aims to provide an electric vehicle early warning system and method. This electric motor car early warning system includes: the system comprises a radar monitoring system, an image sensor, a vehicle control unit and an indicator light prompting system; the radar monitoring system is used for transmitting radar signals to the periphery of a target vehicle and receiving echo signals reflected after the radar signals reach an obstacle; the image sensor is used for acquiring image information around the target vehicle when receiving the echo signal; the vehicle control unit is used for sending out an obstacle early warning signal according to the image information; and the indicator light prompt system is used for sending a flashing signal to a driver of the target vehicle according to the obstacle early warning signal. When potential collision danger exists, the whole process carries out early warning and warning on the driver through the indicating lamp so as to ensure the safety of the driver.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a block diagram illustrating a warning system for an electric vehicle according to the present invention;
FIG. 2 is a schematic diagram of a partial structure of an electric vehicle early warning system provided by the present invention;
fig. 3 is a schematic diagram of a partial structure of an electric vehicle early warning system provided by the invention.
Description of the symbols: the system comprises a first image sensor-1, a second image sensor-2, an indicator light-3, a front windshield-4 and a rear windshield-5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, the electric vehicle early warning system provided by the invention comprises a radar monitoring system, an image sensor, a vehicle control unit and an indicator light prompting system;
the radar monitoring system is connected with the image sensor; the image sensor is connected with the vehicle control unit; and the vehicle control unit is connected with the indicating lamp prompting system.
The radar monitoring system transmits radar signals to the periphery of a target vehicle and receives echo signals reflected after the radar signals reach obstacles, the obstacles can be electric vehicles around the target vehicle, the radar monitoring system transmits the received echo signals to the image sensor, and the image sensor collects image information around the target vehicle when receiving the echo signals; the vehicle control unit sends out an obstacle early warning signal according to the image information; and the indicator light prompting system sends a flashing signal to a driver of the target vehicle according to the obstacle early warning signal. The whole process monitors road condition information around the vehicle through the radar monitoring system, and the road condition information is rapidly fed back to the indicating lamp prompting system after the obstacles around the target vehicle are monitored, so that a driver can be reminded of cautious driving, and accidents are avoided.
In one embodiment, the radar monitoring system includes: a radar sensor and an antenna;
the radar sensor is connected with the antenna; the radar sensor is connected with the image sensor, the antenna transmits signals to the periphery of the target vehicle and receives echo signals after the target vehicle touches an obstacle, the radar sensor receives the echo signals, then the echo signals are transmitted to the image sensor, and the position information of the target vehicle is monitored in real time.
Further specifically, the radar monitoring system further includes: a host computer;
the host computer is respectively connected with the radar sensor and the image sensor; and the host computer receives the position information of the target vehicle fed back by the radar sensor in real time and controls the shooting angle and the shooting range of the image sensor.
In one embodiment, the electric vehicle early warning system further comprises: an industrial personal computer;
the industrial personal computer is respectively connected with the image sensor and the vehicle control unit; the industrial personal computer preprocesses the image around the target vehicle acquired by the image sensor, namely, a characteristic extraction mode is adopted, and then the characteristics of the image are identified and matched through an algorithm. The industrial personal controller of the embodiment mainly identifies the electric vehicles around the target vehicle by using the existing method, and any existing method can be used for identifying the electric vehicles around the target vehicle. The specific implementation process of this embodiment is as follows: the industrial personal computer extracts the features of the images around the target vehicle collected by the image sensor, writes a program for simulating the image recognition of the electric vehicle, establishes a model, trains and stores tens of thousands of electric vehicle image photos recognized by the model in advance, and enables the model to memorize the main features of the electric vehicle. When the industrial personal computer receives image information around a target vehicle collected by the image sensor, the characteristics of the image are matched with the main characteristics of the electric vehicle stored in the model established in the early stage, when the matching similarity between the characteristics of the image and the main characteristics of the electric vehicle stored in the model established in the early stage is high, the image is identified as the image information of the electric vehicle, and then the vehicle control unit sends out an obstacle early warning signal according to the identified image information of the electric vehicle.
In one embodiment, the electric vehicle early warning system further comprises: a vehicle body controller;
the vehicle body controller is respectively connected with the vehicle control unit, the radar monitoring system, the image sensor and the indicator light prompting system, when a driver drives a target vehicle to turn and change directions at a crossing, the steering wheel is rotated and a steering signal is sent out, and the vehicle body controller receives the steering signal and sends a starting signal to the radar monitoring system and the image sensor. And the vehicle body controller receives an obstacle early warning signal sent by the vehicle controller and then sends the signal to the indicator light prompting system, and the indicator light prompting system is used for sending a flashing signal to a driver of the target vehicle according to the obstacle early warning signal.
Further specifically, the pilot lamp reminder system includes: an indicator light 3 and a data transmission line.
The indicator light 3 is connected with the vehicle body controller through a data transmission line, and the indicator light 3 is connected with the vehicle control unit through the vehicle body controller.
The indicator lamp 3 sends a flashing signal to the driver of the target vehicle after receiving the obstacle early warning signal.
In one embodiment, the radar sensor is located on a bumper of the target vehicle.
In one embodiment, referring to fig. 2 or fig. 3, the number of the image sensors may be two, that is, a first image sensor 1 and a second image sensor 2, wherein the first image sensor 1 is installed right above the middle position of the front windshield 4 of the automobile; the second image sensor 2 is mounted directly above the middle of the rear windshield 5 of the vehicle.
In one embodiment, referring to fig. 2, the indicator light 3 is located on the console in front of the driver's seat of the target vehicle, and is mounted in such a way that the front windshield reflects the flickering light to the driver's seat, so as to remind the driver of cautious driving and avoid the situation that the direct light causes the driver to be blinded momentarily. After seeing the flashing signal of the indicator light, the driver can stop or avoid the electric vehicle in time, so that traffic accidents are avoided.
The electric vehicle early warning system provided by the invention comprises the following specific processes: when a driver drives a target vehicle at a road junction and needs to turn and change directions, a steering wheel is rotated, and after the vehicle body controller receives a steering signal, the vehicle body controller sends a starting signal to a radar monitoring system and an image sensor. The radar monitoring system transmits signals to the periphery of the vehicle body through the antenna and receives echo signals after the radar monitoring system touches an obstacle, and the radar sensor transmits the signals to the image sensor after receiving the echo signals.
After the image sensor receives the signal, the image sensor starts to shoot and collect image information around the target vehicle; the industrial control machine can preprocess the collected image, namely, extract the characteristics of the image. And then, identifying and matching the characteristics through an algorithm, and when the system identifies that the obstacle is an electric vehicle, transmitting data information to the vehicle Controller to remind the vehicle Controller to transmit a set early warning signal to a vehicle body Controller through Controller Area Network (CAN) communication.
The automobile body controller sends the early warning signal to an indicator light prompt system through a data line, the indicator light flickers, and a front windshield is adopted to reflect flicking light to a driving position to remind a driver of cautious driving, so that the driver is prevented from being blinded momentarily due to direct projection. After seeing the flashing signal of the indicator light, the driver can stop or avoid the electric vehicle in time, so that traffic accidents are avoided.
In order to achieve the above object, the present invention further provides an early warning method of an electric vehicle early warning system according to the first embodiment, including:
the method comprises the following steps: acquiring image information around a target vehicle; the image information is obtained by shooting the surrounding environment of the target vehicle when the image sensor receives the echo signal; the echo signal is a signal reflected by a radar signal transmitted by the radar monitoring system to the periphery of the target vehicle after reaching an obstacle.
Step two: and determining an obstacle early warning signal according to the image information, and sending the obstacle early warning signal to an indicator light prompting system so as to control the indicator light prompting system to send a flashing signal to a driver of the target vehicle according to the obstacle early warning signal.
The electric vehicle early warning system and the electric vehicle early warning method provided by the invention adopt the radar monitoring system, are matched with the image sensor and the indicating lamp prompting system for assistance, and have higher accuracy and high sensitivity. When the driver turns and changes direction, the indicating lamp prompting system can provide the rapidest and visual signal to remind the driver, so that the driver can avoid the electric vehicle according to the road condition information, and the traffic accident is avoided.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An electric vehicle early warning system, characterized in that, the system includes: the system comprises a radar monitoring system, an image sensor, a vehicle control unit and an indicator light prompting system;
the radar monitoring system is connected with the image sensor; the image sensor is connected with the vehicle control unit; the whole vehicle controller is connected with the indicator light prompt system;
the radar monitoring system is used for transmitting radar signals to the periphery of a target vehicle and receiving echo signals reflected after the radar signals reach an obstacle; the image sensor is used for acquiring image information around the target vehicle when the echo signal is received; the vehicle control unit is used for sending out an obstacle early warning signal according to the image information; and the indicator light prompt system is used for sending a flashing signal to a driver of the target vehicle according to the obstacle early warning signal.
2. The electric vehicle warning system of claim 1, wherein the radar monitoring system comprises: a radar sensor and an antenna;
the radar sensor is connected with the antenna; the radar sensor is connected with the image sensor.
3. The electric vehicle warning system of claim 2, wherein the radar monitoring system further comprises: a host computer;
the host computer is respectively connected with the radar sensor and the image sensor; and the host computer is used for receiving the position information of the target vehicle fed back by the radar sensor in real time and controlling the shooting angle of the image sensor.
4. The electric vehicle warning system of claim 1, further comprising: an industrial personal computer;
the industrial personal computer is respectively connected with the image sensor and the vehicle control unit; the industrial personal computer is used for identifying the image information around the target vehicle collected by the image sensor and transmitting the identified image information to the vehicle control unit.
5. The electric vehicle warning system of claim 1, further comprising: a vehicle body controller;
the vehicle body controller is respectively connected with the vehicle control unit, the radar monitoring system, the image sensor and the indicator light prompting system.
6. The electric vehicle warning system of claim 5, wherein the indicator light prompting system comprises: indicator lights and data transmission lines;
the indicating lamp with the automobile body controller is connected through a data transmission line, and the indicating lamp is connected with the whole automobile controller through the automobile body controller.
7. An electric vehicle warning system as claimed in claim 2, wherein the radar sensor is located on a bumper of the target vehicle.
8. An electric vehicle warning system as claimed in claim 1, wherein the image sensor is located on a windscreen of the target vehicle.
9. An electric vehicle early warning system as claimed in claim 6, wherein the indicator light is located on a console in front of a driving seat of the target vehicle.
10. An early warning method of an early warning system of an electric vehicle according to any one of claims 1 to 9, comprising:
acquiring image information around a target vehicle; the image information is obtained by shooting the surrounding environment of the target vehicle when the image sensor receives an echo signal; the echo signal is a signal which is reflected after a radar signal transmitted to the periphery of the target vehicle by the radar monitoring system reaches an obstacle;
and determining an obstacle early warning signal according to the image information, and sending the obstacle early warning signal to an indicator light prompting system so as to control the indicator light prompting system to send a flashing signal to a driver of the target vehicle according to the obstacle early warning signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014732.0A CN114228705A (en) | 2022-01-07 | 2022-01-07 | Electric vehicle early warning system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014732.0A CN114228705A (en) | 2022-01-07 | 2022-01-07 | Electric vehicle early warning system and method |
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| CN114228705A true CN114228705A (en) | 2022-03-25 |
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| CN202210014732.0A Pending CN114228705A (en) | 2022-01-07 | 2022-01-07 | Electric vehicle early warning system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079164A (en) * | 2022-06-10 | 2022-09-20 | 中国第一汽车股份有限公司 | Vehicle exterior detection system, method, vehicle and storage medium |
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2022
- 2022-01-07 CN CN202210014732.0A patent/CN114228705A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079164A (en) * | 2022-06-10 | 2022-09-20 | 中国第一汽车股份有限公司 | Vehicle exterior detection system, method, vehicle and storage medium |
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Country or region after: China Address after: Room 306, building 4, future venture Plaza, hi tech Zone, Jinan City, Shandong Province Applicant after: Shandong Zhongke advanced technology Co.,Ltd. Address before: Room 306, building 4, future venture Plaza, hi tech Zone, Jinan City, Shandong Province Applicant before: Shandong Zhongke Advanced Technology Research Institute Co.,Ltd. Country or region before: China |