CN211032484U - Commercial car right side blind area early warning device - Google Patents
Commercial car right side blind area early warning device Download PDFInfo
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- CN211032484U CN211032484U CN201921380046.5U CN201921380046U CN211032484U CN 211032484 U CN211032484 U CN 211032484U CN 201921380046 U CN201921380046 U CN 201921380046U CN 211032484 U CN211032484 U CN 211032484U
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Abstract
The utility model relates to a commercial car right side blind area early warning device, including early warning appearance, ultrasonic radar module, display screen, alarm, speaker and management platform. The early warning instrument comprises a host, a gyroscope, an OBD data acquisition module, a positioning unit and a communication unit. The ultrasonic radar module, the display screen, the alarm and the loudspeaker are respectively in wired connection with the early warning instrument; the early warning instrument is in wireless communication with the management platform through the communication unit; the ultrasonic radar module is positioned on the right side of the commercial vehicle, emits electromagnetic waves to detect the right side of the vehicle in real time and transmits radar detection distance data to the early warning instrument; the maximum detection range of the ultrasonic radar is 3 meters. The utility model provides an at present under heavy rain, big snow, the abominable weather of big fog, the problem of the unable effective monitoring of commercial car right turn blind area has realized the all-weather monitoring of vehicle right turn blind area.
Description
Technical Field
The utility model relates to a commercial car especially relates to a commercial car right side blind area early warning device.
Background
The commercial vehicle has the advantages of convenient transportation and large vehicle-mounted weight, but the commercial vehicle has a longer vehicle body and larger kinetic energy, so that the driving technical requirement on a driver is higher. Specifically, when the truck turns, the rear wheel does not run along the track of the front wheel, and the running track of the rear wheel is closer to the inner side than the front wheel due to the fact that the commercial vehicle body is longer, and an inner wheel difference is formed; the longer the automobile body, the bigger the difference of the inner wheels is, and the bigger the risk potential is. By combining other factors such as too fast right-turning speed of a large truck, complex urban traffic environment, all-weather environment and the like, accidents of people death or disability due to rolling are easy to happen when the truck turns right.
Although the existing method adopts the prompting lamps for adding piles at two sides of the vehicle body, the driver still cannot master the actual situation, so that the danger still exists; even if the method of installing the camera at the front right of the vehicle is adopted at present, and the method monitors pedestrians, vehicles and obstacles encountered when the vehicle turns right and can give an alarm in time, the method is not suitable for severe weather conditions of heavy rain and heavy snow.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: not enough to above-mentioned prior art, the utility model provides a commercial car right side blind area early warning device to solve among the prior art in the problem that commercial car right side blind area can't effectively be monitored under heavy rain, heavy snow, the bad weather of heavy fog, also solved the unable effective monitoring of right turn in the vehicle driving simultaneously.
The technical scheme is as follows: the utility model discloses a commercial car right side blind area early warning device, including early warning appearance, ultrasonic radar module, display screen, alarm, speaker and management platform; the early warning instrument comprises a host, a gyroscope, an OBD data acquisition module, a positioning unit and a communication unit; the ultrasonic radar module, the display screen, the alarm and the loudspeaker are respectively in wired connection with the early warning instrument; the early warning instrument is in wireless communication with the management platform through the communication unit; the ultrasonic radar module is located the commercial car right side, and the ultrasonic radar module transmission electromagnetic wave is in order to survey the vehicle right side in real time to send radar detection range data to the early warning appearance.
And if the ultrasonic radar detects that an object exists within 3 meters, outputting a signal to the early warning instrument.
The ultrasonic radar module comprises a first ultrasonic radar and a second ultrasonic radar, and the first ultrasonic radar and the second ultrasonic radar are both located on the right front side of the commercial vehicle.
The gyroscope unit measures the rotation angular speed of the vehicle during deflection and inclination in real time and transmits data to the host unit in real time.
The OBD data acquisition module acquires and analyzes the vehicle running speed, the turning angle, the steering lamp signal and the brake signal information in real time and sends the information to the host unit in real time.
The positioning unit is used for positioning and tracking the driving position of the vehicle and sending information to the host unit in real time.
Alarm and display screen are installed in the driver's cabin, and the driver is reminded with the transform light form to the display screen, and the speaker is installed outside the cockpit to traffic participants is reminded to the high pitch loudspeaker form.
The host unit collects data of each unit and each module and outputs different alarms according to different scenes; and the data of the right-turn specific scene is collected, so that a manager can analyze the driving behavior data from multiple dimensions in a targeted manner and develop safety education work.
Has the advantages that: the utility model adopts the ultrasonic radar and the gyroscope sensor to monitor the running state and the surrounding environment state of the vehicle in real time all day long, and remind and urge the driver to drive safely; and data with driving behavior characteristics of a right turn specific scene are uploaded to a management platform through a communication network, and a manager analyzes the data, searches weak links in fleet management, and accurately corrects and guides the driving behavior of the driver, so that the fleet safety management work is efficiently carried out, and accidents are prevented.
Drawings
Fig. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a flow chart of the present invention;
Detailed Description
As shown in fig. 1 and fig. 2, the utility model comprises an early warning instrument 1, an ultrasonic radar module 2, a display screen 3, an alarm 4, a loudspeaker 5 and a management platform; the early warning instrument 1 comprises a host unit, a gyroscope unit, an OBD data acquisition module, a positioning unit and a communication unit; the gyroscope unit, the OBD data acquisition module, the positioning unit and the communication unit are respectively connected with the host unit; the ultrasonic radar module 2, the display screen 3, the alarm 4 and the loudspeaker 5 are respectively connected with the early warning instrument 1; the early warning instrument is in wireless communication with the management platform through the communication unit.
In this embodiment, ultrasonic radar module 2 includes first ultrasonic radar 2-1 and second ultrasonic radar 2-2, and two radars are all installed in the right front side of vehicle, and the mounted position is higher than ground 0.5m, and the radar probe is surveyed pedestrian, vehicle, the obstacle information of vehicle right side direction to convey the early warning appearance with the detected signal. The first ultrasonic radar 2-1 is arranged at the front right of the column A of the automobile and used for detecting a dead zone of the column A; and the second ultrasonic radar 2-2 is arranged on the side surface of the A column of the automobile and is used for detecting a blind area near the right door. The ultrasonic radar module 2 emits electromagnetic waves, detects the conditions of pedestrians, vehicles and obstacles on the right side of the vehicle in real time, and transmits formed radar detection distance information to the early warning instrument. If the ultrasonic sensor detects that an object exists within a range of 3 meters, the ultrasonic sensor outputs a corresponding signal.
The gyroscope unit adopts a three-axis gyroscope, measures the rotation angular speed of the vehicle during deflection and inclination in real time, and transmits data to the host unit in real time.
The OBD data acquisition module adopts a communication module supporting a CAN protocol to analyze the data of the automobile sensor specified in the J1939 protocol in real time, acquire the information of the running speed, the turning angle, the steering lamp signal and the brake signal of the automobile in real time and send the information to the host unit in real time.
The positioning unit adopts a Beidou positioning unit and is used for accurately positioning and tracking the running position of the vehicle in real time and sending information to the host unit in real time.
The communication unit transmits data according to technical specifications of a road transport vehicle satellite positioning system Beidou compatible vehicle-mounted terminal communication protocol issued by the department of transportation through the GPRS wireless transmission module, uploads semaphore information to the management platform and receives control information of the management platform, and data communication between the early warning instrument and the management platform is achieved.
the alarm and the display screen are arranged on a central console in the cab, the alarm adopts a buzzer to remind a driver, and the display screen 3 is an L CD liquid crystal display screen, reminds the driver in a changed light mode and displays the distance from the vehicle to pedestrians, vehicles, obstacles and the like.
The loudspeaker 5 is arranged outside the cab, and when the three-axis gyroscope determines that the vehicle turns right, the loudspeaker 5 warns other traffic participants to pass by in a sound mode, such as 'engineering vehicle turns right, please pay attention to safety'.
The host unit carries out control management and data signal output on each unit of the system, identifies dangerous targets, and warns other traffic participants through a loudspeaker in a high-pitch form when detecting a right turn; when the vehicle turns right and an ultrasonic ranging right-turn alarm rule is triggered, the driver is reminded in an acousto-optic mode through an alarm and a display screen; and when the right turn occurs, the host unit uploads the data to the management platform according to the convention rule.
The management platform records, stores, inquires and manages the vehicle right turning information and can generate various data reports. The management platform adopts a system platform which accords with the communication protocol standard of the satellite positioning system of the department of transportation, receives, records, inquires and manages the working state of each module of the early warning management system, the vehicle running information and the vehicle right-turning running detail data in real time, and stores the working state, the vehicle running information and the vehicle right-turning running detail data so as to be convenient for inquiring and statistical analysis of the vehicle right-turning running data; in addition, the management platform can set system parameters according to actual needs when the system is initialized.
The modules and the units are matched together to realize real-time monitoring, acousto-optic warning and uploading of vehicle running data of the commercial vehicle right turning blind area.
When the automobile runs, the three-axis gyroscope sensor in the early warning instrument measures the rotation angular speed of the automobile during deflection and inclination in real time and transmits the angular speed value to the host unit in real time. And measuring for 5 times continuously once every 10 milliseconds, and if the measurement results of 5 times exceed the threshold value of the right turn of the three-axis gyroscope, determining that the vehicle is in a right turn state. According to the real vehicle measurement, the right turning threshold value of the three-axis gyroscope is set to be 35 degrees/s.
When the vehicle triggered the ultrasonic ranging right turn warning rule, alarm 4 and display screen 3 show as shown in table 1:
TABLE 1 ultrasonic ranging Right turn alarm rules
As shown in fig. 3, the utility model discloses early warning device's working process as follows:
(1) After the vehicle is started, the early warning instrument 1 is started;
(2) Initializing parameters of the early warning instrument 1, and uploading initialization data to a management system;
(3) The ultrasonic radar module 2 detects the information of pedestrians, vehicles and obstacles in the blind area on the right side of the vehicle in real time and sends the information to the early warning instrument in real time;
(4) The gyroscope unit collects the rotation angular speed of the vehicle during deflection and inclination and the vehicle signal quantity during vehicle running in real time and sends information to the host unit in real time;
(5) The OBD data acquisition module acquires vehicle signal quantity in the running process of a vehicle in real time and transmits information to the host unit in real time;
(6) The host unit receives the information pushed by each module, calculates and identifies dangerous targets in real time, and acquires data according to the following rules to execute related programs:
(6.1) when the vehicle is judged not to turn right according to the angular velocity of the gyroscope unit, monitoring data are reported to the management platform regularly: the host unit collects vehicle running data such as speed, angular speed, position, states of left and right steering lamps of a vehicle, a vehicle braking state and an ultrasonic state at regular time intervals of 5 seconds through the gyroscope unit, the OBD data collection module and the positioning unit module, and uploads the data to the management platform;
(6.2) when judging that the vehicle turns right according to the angular velocity of the gyroscope unit, acquiring and starting right-turning data: the main unit regularly acquires vehicle running information such as speed, angular speed, position, states of left and right steering lamps of a vehicle, a vehicle braking state, an ultrasonic detection distance and an ultrasonic state at intervals of 200ms through the gyroscope unit, the OBD data acquisition module, the positioning unit and the ultrasonic radar module;
(6.3) after the right turn of the vehicle is judged to be finished according to the angular velocity of the gyroscope unit, the right turn data acquisition is stopped, and the right turn data are uploaded to the management platform; the host unit recovers the regular collection of vehicle running data according to 5 second intervals;
(6.4) when the vehicle is judged to turn right according to the angular speed of the gyroscope unit, warning the road traffic participants through a loudspeaker 5 in a voice mode;
(6.5) the vehicle triggers the right turn warning rule of ultrasonic distance measurement in the table 1, and warning signals are presented to the driver through the alarm 4 and the display screen 3 in an acousto-optic mode.
(7) The management platform receives the vehicle running information and the right-turn running detail data in real time, stores the vehicle running information and the right-turn running detail data so as to facilitate query and statistical analysis of the vehicle right-turn running data, and displays multidimensional data analysis according to management requirements as shown in table 2.
TABLE 2 daily vehicle driving behavior report
| License plate number | Vehicle set | Total number of right turns | Number of standard right turns | Safe right revolution | Number of first-class warnings | Number of second-stage pre-warning | Three-level early warning number |
Wherein, the total right revolution number refers to the total number of right revolutions; the standard right turn number refers to the number of events that the lowest vehicle speed 3 seconds before the right turn is opened is lower than 5 Km/h; safe right turn number, which means the total number of events with the highest vehicle speed lower than 15 Km/h; the primary early warning number refers to the total number of events with the highest vehicle speed of 15-20 Km/h; the secondary early warning number refers to the total number of events with the highest vehicle speed of 20-25 Km/h; and the three-level early warning number refers to the total number of events with the highest vehicle speed of more than 25 Km/h.
Claims (1)
1. The utility model provides a commercial car right side blind area early warning device which characterized in that: the system comprises an early warning instrument, an ultrasonic radar module, a display screen, an alarm, a loudspeaker and a management platform; the early warning instrument comprises a host, a gyroscope unit, an OBD data acquisition module, a positioning unit and a communication unit; the ultrasonic radar module, the display screen, the alarm and the loudspeaker are respectively in wired connection with the early warning instrument; the early warning instrument is in wireless communication with the management platform through the communication unit; the ultrasonic radar module is positioned on the right side of the commercial vehicle, emits electromagnetic waves to detect the right side of the vehicle in real time and transmits radar detection distance data to the early warning instrument;
When the ultrasonic radar detects that an object exists within 3 meters, a signal is output to an early warning instrument; the ultrasonic radar module comprises a first ultrasonic radar and a second ultrasonic radar, and the first ultrasonic radar and the second ultrasonic radar are both positioned on the right front side of the commercial vehicle;
The gyroscope unit measures the rotation angular speed of the vehicle during deflection and inclination in real time and transmits data to the host unit in real time;
The OBD data acquisition module acquires and analyzes the vehicle running speed, the turning angle, the steering lamp signal and the brake signal information in real time and sends the information to the host unit in real time;
The positioning unit positions and tracks the driving position of the vehicle and sends information to the host unit in real time;
The alarm and the display screen are arranged in the cab, the display screen reminds a driver in a light-changing mode, and the loudspeaker is arranged outside the cab and reminds traffic participants in a high-pitch horn mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921380046.5U CN211032484U (en) | 2019-08-23 | 2019-08-23 | Commercial car right side blind area early warning device |
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| CN201921380046.5U CN211032484U (en) | 2019-08-23 | 2019-08-23 | Commercial car right side blind area early warning device |
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| CN211032484U true CN211032484U (en) | 2020-07-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639562A (en) * | 2022-12-22 | 2023-01-24 | 天津所托瑞安汽车科技有限公司 | Commercial vehicle blind spot detection system, braking method, commercial vehicle and storage medium |
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- 2019-08-23 CN CN201921380046.5U patent/CN211032484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639562A (en) * | 2022-12-22 | 2023-01-24 | 天津所托瑞安汽车科技有限公司 | Commercial vehicle blind spot detection system, braking method, commercial vehicle and storage medium |
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