CN114162043A - Blind area warning system and method - Google Patents
Blind area warning system and method Download PDFInfo
- Publication number
- CN114162043A CN114162043A CN202111426564.8A CN202111426564A CN114162043A CN 114162043 A CN114162043 A CN 114162043A CN 202111426564 A CN202111426564 A CN 202111426564A CN 114162043 A CN114162043 A CN 114162043A
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- China
- Prior art keywords
- sensor
- combination instrument
- control module
- body control
- vehicle body
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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
- 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18163—Lane change; Overtaking manoeuvres
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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
-
- 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
- B60W2050/146—Display means
Abstract
The invention is suitable for the field of vehicle blind area elimination technology improvement, and provides a blind area warning system which comprises a vehicle body control module, a left side sensor, a right side sensor and a combination instrument, wherein the output end of the left side sensor and the output end of the right side sensor are respectively connected with the vehicle body control module, and the output end of the vehicle body control module is connected with the input end of the combination instrument. Compared with algorithm recognition after the millimeter wave radar/camera collects images, the photoelectric sensor has the advantages of simple scheme and low cost. Early warning prompt is carried out through the combination meter, the display mode is visual, buzzing is carried out along with the buzzer of the combination meter, and the prompt effect is obvious. The interference resistance to external strong light and rain and snow weather is strong.
Description
Technical Field
The invention belongs to the field of vehicle blind area elimination technology improvement, and particularly relates to a blind area warning system and method.
Background
The common scheme is as follows: and detecting an approaching vehicle in a rear specific area by using a millimeter wave radar/camera, and lightening an icon on the left/right outer rearview mirror to warn a driver, so as to prompt that the lane change operation is not suitable at the moment.
The above scheme has the defects that:
1) the algorithm identification cost is high after the millimeter wave radar/camera collects images;
2) and the warning effect of the illuminated icon on the left/right outer rearview mirror is not obvious and is easily interfered by external factors.
The warning effect is not obvious due to the interference of external factors; the warning mode is not visual and striking; the system scheme has high cost and poor economical efficiency.
Disclosure of Invention
The invention aims to provide a blind area warning system and a blind area warning method, and aims to solve the technical problems.
The invention is realized in such a way that the blind area warning system comprises a vehicle body control module, a left sensor, a right sensor and a combination instrument, wherein the output end of the left sensor and the output end of the right sensor are respectively connected with the vehicle body control module, the output end of the vehicle body control module is connected with the input end of the combination instrument, and the left sensor and the right sensor are respectively arranged on a handle behind a vehicle; the left sensor and the right sensor are used for collecting entering data information of a rear blind area in formation, the vehicle body control module is used for analyzing and processing the data information collected by the left sensor and the right sensor and then sending the data information to the combination instrument, and the combination instrument displays a received data information instruction.
The further technical scheme of the invention is as follows: and the left sensor and the right sensor are both photoelectric sensors.
Another object of the present invention is to provide a method for warning a blind area, which comprises the following steps:
s1, judging whether the driver dials the steering lever/starts double flashing, if so, lighting a corresponding green steering lamp by the combination instrument, and if not, not lighting the steering lamp by the combination instrument;
s2, detecting that vehicles approach or do not detect that vehicles approach on one side or both sides by the sensor;
s3, if vehicles approach to the two sides, the combination instrument switches the lighted green steering lamps into red steering lamp forbidding, and the buzzer buzzes in a frequency-doubling manner; if a vehicle approaches to one side, the vehicle body control module controls the corresponding side steering lamp not to be lightened, the combination instrument lights the red steering prohibition lamp at the corresponding side, and the buzzer is prohibited from buzzing; if no vehicle approaches, the output of the combination meter is kept unchanged.
The further technical scheme of the invention is as follows: the power source gear positions of the vehicle driven in the step S1 are respectively: ON/START/RUNNING.
The further technical scheme of the invention is as follows: the buzzer frequency is 75 times per minute when the vehicle approaches on both sides.
The further technical scheme of the invention is as follows: the buzzer frequency is 150 times per minute when a vehicle approaches on one side.
The invention has the beneficial effects that: the scheme is simple and the cost is reduced through the photoelectric sensor compared with algorithm recognition after the millimeter wave radar/camera collects images. Early warning prompt is carried out through the combination meter, the display mode is visual, buzzing is carried out along with the buzzer of the combination meter, and the prompt effect is obvious. The interference resistance to external strong light and rain and snow weather is strong.
Drawings
Fig. 1 is a schematic diagram of a mounting position of a photosensor according to an embodiment of the present invention.
Fig. 2 is an enlarged view of a handle-mounted photosensor provided by an embodiment of the present invention.
Fig. 3 is a schematic diagram of a combination meter provided by an embodiment of the invention.
Fig. 4 is a first schematic view of a direction identifier of a combination meter according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a direction identifier of a combination meter according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a blind area warning system according to an embodiment of the present invention.
Fig. 7 is a flowchart of a blind spot warning method according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the blind area warning system provided by the present invention includes a vehicle body control module, a left sensor, a right sensor and a combination instrument, wherein an output end of the left sensor and an output end of the right sensor are respectively connected to the vehicle body control module, an output end of the vehicle body control module is connected to an input end of the combination instrument, and the left sensor and the right sensor are respectively disposed on a handle behind the vehicle; the left sensor and the right sensor are used for collecting entering data information of a rear blind area in formation, the vehicle body control module is used for analyzing and processing the data information collected by the left sensor and the right sensor and then sending the data information to the combination instrument, and the combination instrument displays a received data information instruction.
And the left sensor and the right sensor are both photoelectric sensors.
1. The photoelectric sensor mounting position is shown in fig. 1:
the photoelectric sensors are integrated on the left and right rear door handles, and when a vehicle approaches from the rear, an early warning signal is sent out;
2. the combination meter user interface is shown in fig. 2:
the left and right steering lamps are changed to be green when being normally lightened, and flicker at normal frequency along with buzzer buzzing of the combination instrument; after receiving the early warning signal of the sensor, the light is red, the normal frequency is multiplied by the frequency and flickers, and buzzing is carried out along with the buzzer of the combination instrument;
3. the system implementation scheme is shown in fig. 3:
through the integrated sensor on the left/right back door handle, gather the signal, as the vehicle is close from the rear, the indicator that corresponds the side on the combination meter shows and changes from normal "green" to "red" to flicker according to the doubling of frequency.
4. System control strategy
When all of the following conditions are satisfied:
1) the ignition switch is in ON, START and RUNNING gears;
2) the rotating speed of the engine is more than or equal to 800 rmp/min;
3) the vehicle speed is more than or equal to 2 km/h;
executing the strategy:
1) activating a blind area warning system, and starting working by photoelectric sensors integrated on left and right rear door handles of the vehicle;
2) when the photoelectric sensor detects that vehicles enter the calibration area from the left and right rear sides, the sensor starts to send signals to the vehicle body control module, and then sends the signals to the combination instrument through the CAN bus;
3) the combination instrument receives a signal from the photoelectric sensor, lights a red ground color steering prohibition icon on the corresponding side, flashes according to normal frequency doubling, and buzzes along with a buzzer of the combination instrument;
4) and when the photoelectric sensor detects that the vehicle enters the left rear side and the right rear side and exits the calibration area, the sensor stops sending signals, and the combination instrument restores to a normal working state.
Compared with algorithm recognition after the millimeter wave radar/camera collects images, the photoelectric sensor has the advantages of simple scheme and low cost. Early warning prompt is carried out through the combination meter, the display mode is visual, buzzing is carried out along with the buzzer of the combination meter, and the prompt effect is obvious. The interference resistance to external strong light and rain and snow weather is strong.
The actual working condition of the system is comprehensively considered, the interference of external environmental factors is eliminated to the maximum extent, and meanwhile, the scheme cost is considered, so that the scheme is more reasonable and humanized.
Signals are acquired through the photoelectric sensor, so that the scheme cost is low; the prompt is performed through the combination instrument, so that the prompt is visual and obvious; the problem of warning sign easily receive external factor to interfere on the outside rear-view mirror of traditional scheme is solved.
Main flow: the vehicle power supply gears are respectively as follows: ON/START/RUNNING; the driver turns the steering deflector rod/presses the danger warning lamp switch to start double flashing; the combination instrument lights the green steering lamp (the buzzer frequency is 75 times per minute) on the corresponding side; the sensor detects that vehicles approach to one side or both sides; the combination meter switches the lighted 'green turn signal lamp' to 'red steering forbidding lamp' (the buzzer frequency is 150 times per minute); the flow ends.
The secondary process a: the driver does not toggle the steering deflector rod/press the danger warning lamp switch to start double flashing; the combination instrument does not light the steering lamp; the sensor detects that vehicles approach to one side or both sides; the vehicle body control module controls the corresponding side steering lamp not to be lightened; the combination instrument lights a red steering forbidding lamp on the corresponding side (the frequency of the buzzer is 150 times per minute); returning to main flow path 7.
B, a secondary process: the sensor does not detect that a vehicle approaches to one side or both sides; the output of the combination instrument is kept unchanged; returning to the main flow.
In practical application, the following three different situations are encountered: the sensor does not detect that vehicles approach to one side or both sides of the vehicle, and under the condition, the combined instrument keeps the previous state unchanged; the sensor detects that vehicles approach to one side or two sides of the vehicle and the steering lamp is not lighted, in this case, the combination instrument lights a corresponding red steering lamp forbidden to come side (the frequency of the buzzer is 150 times per minute); the sensor detects that there is a vehicle approaching on one/both sides and has illuminated the turn signal, in which case the combination meter switches the illuminated corresponding oncoming side "green turn signal" to "red inhibit turn signal" (buzzer frequency 150 times per minute).
The main parameters of the sensor are as follows:
| parameter name | Specification of |
| Rated voltage | DC 12V |
| Voltage range | DC 9V ～ DC 16V |
| System consumption current | < 200 mA |
| Operating temperature | -40℃ ～+85℃ |
| Storage temperature | -40℃ ～+85℃ |
| Protection class | IP68 |
| Sensor detects frequency | 55± 1.0Khz |
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The blind area warning system is characterized by comprising a vehicle body control module, a left sensor, a right sensor and a combination instrument, wherein the output end of the left sensor and the output end of the right sensor are respectively connected with the vehicle body control module; the left sensor and the right sensor are used for collecting entering data information of a rear blind area in formation, the vehicle body control module is used for analyzing and processing the data information collected by the left sensor and the right sensor and then sending the data information to the combination instrument, and the combination instrument displays a received data information instruction.
2. The blind spot warning system according to claim 1, wherein each of the left sensor and the right sensor is a photoelectric sensor.
3. A blind area warning method is characterized by comprising the following steps:
s1, judging whether the driver dials the steering lever/starts double flashing, if so, lighting a corresponding green steering lamp by the combination instrument, and if not, not lighting the steering lamp by the combination instrument;
s2, detecting that vehicles approach or do not detect that vehicles approach on one side or both sides by the sensor;
s3, if vehicles approach to the two sides, the combination instrument switches the lighted green steering lamps into red steering lamp forbidding, and the buzzer buzzes in a frequency-doubling manner; if a vehicle approaches to one side, the vehicle body control module controls the corresponding side steering lamp not to be lightened, the combination instrument lights the red steering prohibition lamp at the corresponding side, and the buzzer is prohibited from buzzing; if no vehicle approaches, the output of the combination meter is kept unchanged.
4. The blind spot warning method according to claim 3, wherein the power source gear positions of the vehicle driven in the step S1 are respectively: ON/START/RUNNING.
5. The blind spot warning method according to claim 4, wherein the buzzer frequency is 75 times per minute when a vehicle approaches from both sides.
6. The blind spot warning method according to claim 5, wherein the buzzer frequency is 150 times per minute when a vehicle approaches on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426564.8A CN114162043A (en) | 2021-11-25 | 2021-11-25 | Blind area warning system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426564.8A CN114162043A (en) | 2021-11-25 | 2021-11-25 | Blind area warning system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114162043A true CN114162043A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111426564.8A Pending CN114162043A (en) | 2021-11-25 | 2021-11-25 | Blind area warning system and method |
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| Country | Link |
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| CN (1) | CN114162043A (en) |
Citations (8)
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| CN102837653A (en) * | 2012-09-13 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Car door opening safeguard system |
| CN202782896U (en) * | 2012-07-18 | 2013-03-13 | 浙江金刚汽车有限公司 | Driving safety pre-warning system |
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| CN203331952U (en) * | 2013-06-24 | 2013-12-11 | 济南鲍德炉料有限公司 | Device for monitoring and defending blind area on right side of heavy vehicle |
| WO2016012651A1 (en) * | 2014-07-24 | 2016-01-28 | Alejandro Rodriguez Barros | Multifunctional assembly comprising a laser emitter for the door of a motor vehicle |
| CN109263550A (en) * | 2018-08-27 | 2019-01-25 | 合肥移顺信息技术有限公司 | Vehicle blind zone monitor and alarm system |
| CN109969088A (en) * | 2017-12-28 | 2019-07-05 | 长城汽车股份有限公司 | Electronics external rearview mirror system and vehicle |
| CN113276770A (en) * | 2021-04-30 | 2021-08-20 | 中汽研（天津）汽车工程研究院有限公司 | Commercial vehicle total blind area monitoring system and method based on safety and low cost requirements |
-
2021
- 2021-11-25 CN CN202111426564.8A patent/CN114162043A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202782896U (en) * | 2012-07-18 | 2013-03-13 | 浙江金刚汽车有限公司 | Driving safety pre-warning system |
| CN102837653A (en) * | 2012-09-13 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Car door opening safeguard system |
| CN202863238U (en) * | 2012-10-19 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Monitoring system for automobile rear-view mirror blind spot |
| CN203331952U (en) * | 2013-06-24 | 2013-12-11 | 济南鲍德炉料有限公司 | Device for monitoring and defending blind area on right side of heavy vehicle |
| WO2016012651A1 (en) * | 2014-07-24 | 2016-01-28 | Alejandro Rodriguez Barros | Multifunctional assembly comprising a laser emitter for the door of a motor vehicle |
| CN109969088A (en) * | 2017-12-28 | 2019-07-05 | 长城汽车股份有限公司 | Electronics external rearview mirror system and vehicle |
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