CN113942452A - Automobile blind area detection device based on ultrasonic array - Google Patents
Automobile blind area detection device based on ultrasonic array Download PDFInfo
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- CN113942452A CN113942452A CN202111410011.3A CN202111410011A CN113942452A CN 113942452 A CN113942452 A CN 113942452A CN 202111410011 A CN202111410011 A CN 202111410011A CN 113942452 A CN113942452 A CN 113942452A
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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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
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
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- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention provides an automobile blind area detection device based on an ultrasonic array, which comprises: the system comprises an ultrasonic array module, a microcontroller, a display module and an alarm module; the ultrasonic array module: the device is used for detecting obstacles in blind areas on two sides of the automobile; the microcontroller: the automobile blind area warning device is used for receiving a steering signal of an automobile, controlling the ultrasonic array module to detect obstacles in an automobile blind area, and reminding a driver of the existence of the obstacles in the automobile blind area through controlling the display module and the warning module. Compared with the prior art, the blind area detection device can comprehensively cover the blind area of the vehicle, ensure the accuracy and reliability of the blind area detection, and effectively complete the combination of the vehicle and the ultrasonic device, so that the ultrasonic device can rapidly complete the detection and alarm the dangerous condition.
Description
Technical Field
The invention relates to the technical field of intelligent driving, in particular to an automobile blind area detection device based on an ultrasonic array.
Background
With the progress of information technology, the combination of the sensor and the intelligent processing technology enables people to judge surrounding conditions in time, and effective reference is provided for people to process problems. In the process of automobile driving, because the rearview mirror has a certain visual blind area, when a vehicle runs in the blind area range, a person driving the vehicle cannot know whether the vehicle is on the side in advance; if the vehicle in the blind area can not be found in time, when lanes need to be replaced under other conditions and the front vehicle is avoided to turn, problems can occur.
Meanwhile, some drivers have bad driving habits and can run parallel to vehicles in adjacent lanes and are in the vision blind areas of nearby vehicles, and serious risks are brought to safe driving. In order to enable a driver to have enough understanding of the side blind area condition, the blind area can be detected by using ultrasonic waves, and when a vehicle is found to be in the blind area, sound and light alarm reminding is given out when the vehicle turns, so that reliable reference is provided for safe driving.
However, the conventional ultrasonic detection has the following problems:
(1) the detection capability and the accuracy degree of the ultrasonic detection on the automobile blind area obstacles are insufficient;
(2) the ultrasonic detection device is difficult to be effectively combined with the vehicle, namely, the ultrasonic detection device cannot quickly and effectively detect when the vehicle changes lanes or turns;
(3) the range of the ultrasonic detection device for detecting the blind area of the automobile is narrow.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automobile blind area detection device based on an ultrasonic array.
The purpose of the invention can be realized by the following technical scheme:
the invention provides an automobile blind area detection device based on an ultrasonic array, which comprises: the system comprises an ultrasonic array module, a microcontroller, a display module and an alarm module;
the ultrasonic array module: the device is used for detecting obstacles in blind areas on two sides of the automobile;
the microcontroller: the automobile blind area warning device is used for receiving a steering signal of an automobile, controlling the ultrasonic array module to detect obstacles in an automobile blind area, and reminding a driver of the existence of the obstacles in the automobile blind area through controlling the display module and the warning module.
Preferably, the number of the ultrasonic array modules is 2, and the ultrasonic array modules are respectively arranged on two sides of an automobile.
Preferably, the microcontroller receives a steering signal of the automobile by connecting a steering lamp, and controls an ultrasonic array module arranged on the side, to be steered, of the automobile to perform ultrasonic detection according to the steering signal.
Preferably, the ultrasonic array module completes detection within 3 seconds and feeds back to the microcontroller.
Preferably, the distance between the center of each ultrasonic array module and the tail of the vehicle is 1/4-1/3 of the vehicle body.
Preferably, each of the ultrasonic array modules includes a plurality of ultrasonic sensors arranged in a transverse direction.
Preferably, each ultrasonic array module comprises 2-3 ultrasonic sensors.
Preferably, the straight line formed by connecting the centers of the plurality of ultrasonic sensors forms an included angle of 10 degrees to 20 degrees with the horizontal straight line.
Preferably, the alarm module comprises a buzzer and an alarm lamp which are used for sound and light alarm respectively.
Preferably, the microcontroller controls the alarm module through the relay module.
Compared with the prior art, the invention has the following beneficial effects:
1. the ultrasonic arrays are arranged on the two sides of the vehicle, so that the problem that a single ultrasonic sensor is insufficient in covering a blind area is solved, the blind area of the vehicle can be completely covered, the range of the blind area is enlarged, and the accuracy and reliability of blind area detection are ensured.
2. According to the invention, through the design that the ultrasonic detection module can work together when the vehicle turns, the detection of the blind area and the reminding of whether the hidden vehicle exists in the blind area are completed within 3 seconds, the combination of the vehicle and the ultrasonic detection device is effectively completed, the alarm is rapidly given out, and the dangerous condition is avoided.
3. According to the invention, by designing the microcontroller and the relay module, the microcontroller can perform self-checking on the whole device every time the automobile is ignited and started, and timely judges whether the device works normally, so that possible faults in normal use are avoided.
Drawings
Fig. 1 is a schematic structural diagram of an automobile blind area detection device based on an ultrasonic array according to this embodiment;
FIG. 2 is a schematic flow chart of a method for applying the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of the installation of the ultrasonic array module of the embodiment of FIG. 1;
the notation in the figure is: 1. an ultrasonic array module.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1, the embodiment provides an automobile blind area detection device based on an ultrasonic array, which includes a power module, a microcontroller, and an ultrasonic array module 1, a relay module, a turn light and a display module connected to the microcontroller. Wherein, microcontroller and ultrasonic array module 1 communication connection, the relay module is connected with alarm module, and alarm module is including the buzzer for audible alarm and the alarm lamp for light warning. Referring to fig. 3, two ultrasonic array modules 1 are provided, and are respectively disposed at the left and right sides of the automobile, and the distance between the center of each ultrasonic array module 1 and the tail of the automobile is 1/4-1/3 of the automobile body, and the distance between the center of each ultrasonic array module 1 and the ground is adjusted according to the specific situation of the automobile. Each ultrasonic array module comprises a plurality of ultrasonic sensors which are transversely arranged, and the straight line formed by connecting the centers of the ultrasonic sensors forms an included angle of 10-20 degrees with the horizontal straight line.
As an optional implementation mode, the microcontroller adopts the single chip microcomputer of which the models comprise STM32 and STC 51.
As an optional implementation mode, each ultrasonic array module 1 is provided with 2-3 ultrasonic sensors.
Referring to fig. 2, a working flow of the automobile blind area detection device based on the ultrasonic array of the present embodiment specifically includes: when the automobile is ignited and started, the automobile blind area detection device is electrified to prepare for work, the microcontroller detects circuits and modules of the automobile blind area detection device one by one, and normal work is started when no problem is found. When the automobile needs to change lanes left and right to turn on the steering lamp in the driving process of the automobile, the microcontroller connected with the steering lamp controls the ultrasonic array module 1 arranged on the side, to be steered, of the automobile to perform ultrasonic detection. For example, when the automobile turns to the left side, the driver turns off the left turn light according to the requirement, the ultrasonic array module starts to detect the left blind area of the vehicle in the process of traveling at the moment, the detection is completed within 3 seconds, the detection result is fed back to the microcontroller, if the hidden vehicle exists in the blind area, the microcontroller displays the blind area through the display module, the alarm module is triggered through the relay module, the sound and light warning is given to the driver, the driver is reminded of the existence of the vehicle on the lane to be turned, the turning is risky, and the accident risk is reduced.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an automobile blind area detection device based on ultrasonic array which characterized in that includes: the system comprises an ultrasonic array module, a microcontroller, a display module and an alarm module;
the ultrasonic array module: the device is used for detecting obstacles in blind areas on two sides of the automobile;
the microcontroller: the automobile blind area warning device is used for receiving a steering signal of an automobile, controlling the ultrasonic array module to detect obstacles in an automobile blind area, and reminding a driver of the existence of the obstacles in the automobile blind area through controlling the display module and the warning module.
2. The device of claim 1, wherein 2 ultrasonic array modules are arranged on two sides of the automobile respectively.
3. The device of claim 2, wherein the microcontroller receives a steering signal of the vehicle by connecting a steering lamp, and controls the ultrasonic array module arranged on the side of the vehicle to be steered to perform ultrasonic detection according to the steering signal.
4. The device of claim 3, wherein the ultrasonic array module completes detection within 3 seconds and feeds back the detection to the microcontroller.
5. The device for detecting the blind area of the automobile based on the ultrasonic array as claimed in claim 2, wherein the distance between the center of each ultrasonic array module and the tail of the automobile is 1/4-1/3 of the automobile body.
6. The device of claim 5, wherein each of the ultrasonic array modules comprises a plurality of ultrasonic sensors arranged in a transverse direction.
7. The device of claim 6, wherein each ultrasonic array module comprises 2-3 ultrasonic sensors.
8. The device of claim 7, wherein the straight line formed by connecting the centers of the plurality of ultrasonic sensors forms an included angle of 10-20 degrees with the horizontal line.
9. The device of claim 1, wherein the alarm module comprises a buzzer and an alarm lamp for audible and visual alarm.
10. The device of claim 1, wherein the microcontroller controls the alarm module through a relay module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111410011.3A CN113942452A (en) | 2021-11-25 | 2021-11-25 | Automobile blind area detection device based on ultrasonic array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111410011.3A CN113942452A (en) | 2021-11-25 | 2021-11-25 | Automobile blind area detection device based on ultrasonic array |
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| CN113942452A true CN113942452A (en) | 2022-01-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200373417Y1 (en) * | 2004-10-28 | 2005-01-15 | 주식회사 현대오토넷 | Apparatus for sensing the dead angle of a car |
| CN102848973A (en) * | 2012-09-25 | 2013-01-02 | 浙江吉利汽车研究院有限公司杭州分公司 | System and method for detecting dead zone of vehicle rearview mirror |
| CN105564307A (en) * | 2016-01-13 | 2016-05-11 | 上海汽车集团股份有限公司 | Vehicle side turning safety reminding device and method |
| CN210027334U (en) * | 2019-05-13 | 2020-02-07 | 江铃汽车股份有限公司 | Automobile blind area monitoring system |
| CN211123263U (en) * | 2019-10-11 | 2020-07-28 | 沈阳理工大学 | Passenger-cargo car blind area reminding device based on ultrasonic sensor |
| CN111492259A (en) * | 2017-12-20 | 2020-08-04 | 株式会社电装 | Object detection device |
-
2021
- 2021-11-25 CN CN202111410011.3A patent/CN113942452A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200373417Y1 (en) * | 2004-10-28 | 2005-01-15 | 주식회사 현대오토넷 | Apparatus for sensing the dead angle of a car |
| CN102848973A (en) * | 2012-09-25 | 2013-01-02 | 浙江吉利汽车研究院有限公司杭州分公司 | System and method for detecting dead zone of vehicle rearview mirror |
| CN105564307A (en) * | 2016-01-13 | 2016-05-11 | 上海汽车集团股份有限公司 | Vehicle side turning safety reminding device and method |
| CN111492259A (en) * | 2017-12-20 | 2020-08-04 | 株式会社电装 | Object detection device |
| CN210027334U (en) * | 2019-05-13 | 2020-02-07 | 江铃汽车股份有限公司 | Automobile blind area monitoring system |
| CN211123263U (en) * | 2019-10-11 | 2020-07-28 | 沈阳理工大学 | Passenger-cargo car blind area reminding device based on ultrasonic sensor |
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