CN110262084B - Sunglasses and method for identifying whether driver is distracted to drive - Google Patents
Sunglasses and method for identifying whether driver is distracted to drive Download PDFInfo
- Publication number
- CN110262084B CN110262084B CN201910459514.6A CN201910459514A CN110262084B CN 110262084 B CN110262084 B CN 110262084B CN 201910459514 A CN201910459514 A CN 201910459514A CN 110262084 B CN110262084 B CN 110262084B
- Authority
- CN
- China
- Prior art keywords
- sunglasses
- driver
- vehicle
- microprocessor
- axis accelerometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/10—Electronic devices other than hearing aids
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
Abstract
The invention discloses a sunglasses and a method for identifying whether a driver is distracted to drive, and belongs to the field of traffic safety. The sunglasses comprise a sunglasses subsystem and a vehicle-mounted subsystem, the motion information of the head of a driver is collected through a 6-axis accelerometer embedded in a bridge of a nose bridge of the sunglasses support, and data are transmitted by using a Bluetooth module. The method of the invention judges whether the driver wears the sunglasses or not according to the data of the 6-axis accelerometer, and calibrates the data range of the 6-axis accelerometer in the non-distracted driving state. The microprocessor performs driving distraction early warning according to the GPS data, combines millimeter wave radar data installed at the front end of the vehicle, and sends out a voice early warning signal if the driver is confirmed to be in a distraction driving state and the risk of the vehicle before the vehicle knocks into the rear is high. When the driver does not use the sunglasses, the sunglasses may be wirelessly charged on the sunglass mount. The invention has simple structure and reliable work, and can effectively solve the problem of driving distraction of drivers wearing sunglasses.
Description
Technical Field
The invention relates to the field of traffic safety, in particular to a sunglasses and a method for identifying whether a driver is distracted to drive.
Background
In traffic accidents, rear-end collisions are a common form of accident. Although some high-grade vehicles are provided with a front vehicle anti-collision system at present, most vehicles do not have the function at present. The main reason for the rear-end collision accident is that the rear driver is distracted to drive and does not notice the deceleration of the front vehicle in time.
During driving, most drivers wear sunglasses to prevent glare, especially in sunny days in summer. Aiming at the reason of the rear-end collision and the situation that a driver wears sunglasses, the invention provides a scheme for preventing driving distraction by using the sunglasses.
Disclosure of Invention
To solve the above problems, it is an object of the present invention to provide a sunglass and a method for recognizing whether a driver is distracted from driving. The invention can effectively solve the problem of distracted driving of drivers wearing sunglasses. The invention has simple and reliable structure, low cost and wide popularization.
The purpose of the invention is realized by the following technical scheme:
a sunglass for identifying whether a driver is distracted to drive comprises a sunglass subsystem and a vehicle-mounted subsystem,
the sunglasses subsystem includes sunglasses main part, 6 axis accelerometer, bluetooth module A, battery module and wireless charging device A, wherein:
the 6-axis accelerometer is embedded in a nose bridge of the sunglasses main body and is used for acquiring head movement information of a driver;
the Bluetooth module A is embedded in a pile head of the sunglasses main body and is in Bluetooth connection with the 6-axis accelerometer and used for receiving and sending data information acquired by the 6-axis accelerometer;
the battery module is in a long and thin strip shape and is embedded in the glasses legs of the sunglasses main body, and the battery module is electrically connected with the Bluetooth module A and the 6-axis accelerometer respectively and is responsible for providing power for the whole sunglasses subsystem;
the wireless charging device A is embedded in the glasses frame of the sunglasses main body and is used for charging the battery module;
the vehicle-mounted subsystem comprises a sunglasses bracket device, a Bluetooth module B, GPS module, an ESR millimeter wave radar, a wireless charging device B, a microprocessor and a voice alarm device; the sunglasses bracket device, the Bluetooth module B, GPS module, the wireless charging device B, the microprocessor and the voice alarm device are all arranged at a free position in the instrument panel, and the ESR millimeter wave radar is arranged in a front bumper of a vehicle and is used for acquiring the relative distance and the relative speed of a front vehicle relative to the vehicle; wherein:
the sunglasses support device is in a quadrangular frustum shape, two holes for placing sunglasses main body glasses legs are symmetrically formed in two sides of the upper top surface of the sunglasses support device, the Bluetooth module B, GPS module, the wireless charging device B and the microprocessor are all arranged inside the sunglasses support device, the voice alarm device is arranged on the upper top surface of the sunglasses support device, and the Bluetooth module B, GPS module, the ESR millimeter wave radar and the voice alarm device are respectively and electrically connected with the microprocessor through leads;
when the sunglasses main body is placed on the sunglasses bracket device, the wireless charging device B charges the wireless charging device A;
the Bluetooth module B is used for receiving the data sent by the Bluetooth module A and sending the received data to the microprocessor;
the GPS module is responsible for acquiring the speed information of the vehicle and sending the acquired speed information to the microprocessor;
the microprocessor is responsible for processing data sent by the 6-axis accelerometer and the GPS module, judging whether a driver is distracted driving or not, and controlling the voice alarm device to carry out voice prompt.
Further, the 6-axis accelerometer is a gyroscope and an acceleration sensor, and the model of the 6-axis accelerometer is an MPU-65006 axis.
Further, the bluetooth module a and the bluetooth module B are both AR3002 bluetooth 4.0 chips.
Further, the GPS module is a GSD4e GPS chip.
Further, the microprocessor is an ARM9 processor, and the specific model is S3C 2410.
Further, the voice alarm device is a PM5020 voice chip.
Further, the battery module is an 501235 polymer battery; the wireless charging device A and the wireless charging device B are respectively a receiving end and a transmitting end of the XKT-412A wireless power supply module.
A method for identifying whether a driver is distracted to drive based on wearing sunglasses comprises the following steps:
and 4, identifying the distraction state of the driver: taking 3 seconds as a judgment period, analyzing the data distribution characteristics of the 6-axis accelerometer in real time by the microprocessor, and if the measurement data of the gyroscope in the 6-axis accelerometer exceeds the range calibrated in the step 2, indicating that the driver does not pay attention to the road right ahead at the moment;
and 5, evaluating the rear-end collision risk: if it is identified in step 4 that the driver is not paying attention to the road right ahead, the distance between the vehicle right ahead and the own vehicle measured by the ESR millimeter wave radar is less than 80m, and the TTC value is less than 5 seconds and continuously decreases, at this time, the microprocessor confirms that the driver is in a distracted driving state, and the risk that the own vehicle rear-ends the front vehicle is high;
The invention has the beneficial effects that:
the method for identifying whether the driver is distracted driving can acquire the motion information of the head of the driver through the 6-axis accelerometer embedded in the nose bridge of the sunglasses bracket, and transmit data by using the Bluetooth module. When the data measured by the 6-axis accelerometer exceeds the parameter range from the driver normally looking at the left rearview mirror to the right rearview mirror, the fact that the driver is not looking at the road right ahead at the moment is indicated. The risk level of the front vehicle after the rear-end collision can be evaluated by combining the relative distance and the relative speed between the front vehicle and the self vehicle measured by the ESR millimeter wave radar, and when the microprocessor judges that the driver does not watch the front road and the risk level of the front vehicle after the rear-end collision is higher, the voice alarm device gives an alarm to the driver to remind the driver of safe driving.
The sunglasses for identifying whether a driver is distracted to drive are based on a sunglasses system and a vehicle-mounted subsystem, and mainly adopt a 6-axis accelerometer, a Bluetooth module, a battery module and a wireless charging device. The sunglasses have the advantages of low energy consumption, simple design and high reliability. And this sunglasses can place and carry out wireless charging automatically on sunglasses support device under the condition of not using, convenient to use, and intelligent degree is high. The sunglasses subsystem combines the relative motion relation of the front vehicle and the self vehicle acquired by the ESR millimeter wave radar to have a good effect on identifying whether the driver wearing the sunglasses is distracted or not.
Drawings
FIG. 1 is a schematic structural view of a sunglasses subsystem according to the present invention;
FIG. 2 is a schematic structural diagram of the onboard subsystem of the present invention;
FIG. 3 is a schematic structural diagram of an ESR millimeter wave radar according to the present invention;
FIG. 4 is a schematic block flow diagram of a method of identifying whether a driver is distracted driving according to the present invention;
the system comprises a 1-6-axis accelerometer, a 2-wireless charging device A, a 3-Bluetooth module A, a 4-battery module, a 5-sunglasses bracket device, a 6-wireless charging device B, a 7-microprocessor, an 8-Bluetooth module B, a 9-GPS module, a 10-voice alarm device and an 11-ESR millimeter wave radar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A sunglass for identifying whether a driver is distracted to drive comprises a sunglass subsystem and a vehicle-mounted subsystem,
as shown in fig. 1, the sunglass subsystem includes a sunglass body, a 6-axis accelerometer 1, a bluetooth module A3, a battery module 4, and a wireless charging device a2, wherein:
the 6-axis accelerometer 1 is embedded in a nose bridge of the sunglasses body and used for collecting head movement information of a driver. Will 6 axle accelerometer 1 places in the nose bridge of mirror holder in, be located the bilateral symmetry line of mirror holder, just so can guarantee when the driver wears this sunglasses, can gather the motion information of driving the head more accurately. The 6-axis accelerometer 1 is a gyroscope and an acceleration sensor, and the model of the 6-axis accelerometer 1 can be an MPU-65006 axis.
The Bluetooth module A3 is embedded in the pile head of the sunglasses main body, and the Bluetooth module A3 is connected with the 6-axis accelerometer 1 through Bluetooth and used for receiving and sending data information collected by the 6-axis accelerometer 1. Specifically, the 6-axis accelerometer 1 has a bluetooth function, the bluetooth module A3 has a communication interface, the bluetooth module A3 is connected to the 6-axis accelerometer 1 through the communication interface, the communication interface may be an IIC interface, an SPI interface, or a uart interface, and the bluetooth module A3 is a bluetooth module preferably with low power consumption and small size, such as an AR3002 bluetooth 4.0 chip.
The wireless charging device a2 is embedded in the frame of the sunglasses main body and is used for charging the battery module 4.
The vehicle-mounted subsystem comprises a sunglasses bracket device 5, a Bluetooth module B8, a GPS module 9, an ESR millimeter wave radar 11, a wireless charging device B6, a microprocessor 7 and a voice alarm device 10; the sunglass bracket device 5, the Bluetooth module B8, the GPS module 9, the wireless charging device B6, the microprocessor 7 and the voice alarm device 10 are all arranged at a free position in the instrument panel, and the ESR millimeter wave radar 11 is arranged in a front bumper of a vehicle and is used for acquiring the relative distance and the relative speed of a front vehicle relative to the vehicle; wherein:
When the driver does not use the sunglasses, the sunglasses main body is placed on the sunglasses-holder device 5, and the wireless charging device B6 charges the wireless charging device a 2. The wireless charging device A2 and the wireless charging device B6 are respectively a receiving end and a transmitting end of the XKT-412A wireless power supply module. Specifically, the receiving coil of the wireless charging device a2 is built in the two sunglass frames, and the wireless charging device a2 can receive power from the wireless charging device B6 and store the received power in the battery module 4.
The bluetooth module B8 is used for receiving the data sent by the bluetooth module A3 and sending the received data to the microprocessor 7, and the bluetooth module B8 is selected as an AR3002 bluetooth 4.0 chip.
The GPS module 9 is responsible for collecting speed information of the vehicle and sending the collected speed information to the microprocessor 7, and the GPS module 9 is a GSD4e GPS chip.
The microprocessor 7 is responsible for processing data sent by the 6-axis accelerometer 1 and the GPS module 9, judging whether the driver is distracted driving or not, and controlling the voice alarm device 10 to carry out voice prompt. The microprocessor 7 is an ARM9 processor, and the specific model is S3C 2410. The voice alarm device 10 is a PM5020 voice chip.
As shown in fig. 4, a method for recognizing whether a driver is distracted driving based on wearing sunglasses includes the steps of:
And 4, identifying the distraction state of the driver: taking 3 seconds as a judgment period, the microprocessor analyzes the data distribution characteristics of the 6-axis accelerometer in real time, and if the measured data w of the gyroscope in the 6-axis accelerometer isMeasuringOut of the range specified in step 2, i.e. wMeasuring>wSign boardIt indicates that the driver is not paying attention to the road directly ahead at this time.
And 5, evaluating the rear-end collision risk: if it is identified in step 4 that the driver is not paying attention to the road directly in front, the ESR millimeter wave radar measures that the distance between the vehicle directly in front and the own vehicle is less than 80m, and the value of TTC is less than 5 seconds and continuously decreases, at this time, the microprocessor will confirm that the driver is in a distracted driving state, and the risk that the own vehicle rear-ends the preceding vehicle is high.
Wherein, TTC is collision time, namely the time when the vehicle collides with the front vehicle;
Δ s is a relative distance between the preceding vehicle and the own vehicle, and Δ v is a relative speed between the preceding vehicle and the own vehicle.
The sunglasses and the method for identifying whether the driver is distracted to drive provided by the invention can effectively solve the problem that the driver wearing the sunglasses is distracted to drive and prevent rear-end accidents from happening. The invention adopts the 6-axis accelerometer as a main sensor for identifying whether the driver watches the road right ahead, and has high stability and low energy consumption. The sunglasses can be charged wirelessly, batteries do not need to be replaced, and the sunglasses are convenient to use. In addition, the system is combined with the GPS sensor, so that the system does not work under the condition of low speed, and unnecessary disturbance of the system to a driver is avoided. The intelligent control system is simple in structure, reliable in work, high in intelligent degree and suitable for wide popularization.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for identifying whether a driver is distracted to drive based on wearing sunglasses is characterized by comprising the following steps:
step 1, judging whether a driver wears sunglasses for identifying distracted driving of the driver: the sunglasses comprise a sunglasses subsystem and a vehicle-mounted subsystem, the sunglasses subsystem comprises a sunglasses main body and a 6-axis accelerometer, and the 6-axis accelerometer is embedded in a nose bridge of the sunglasses main body and is used for acquiring head movement information of a driver; the vehicle-mounted subsystem comprises a GPS module, an ESR millimeter wave radar, a microprocessor and a voice alarm device, wherein the GPS module, the microprocessor and the voice alarm device are all arranged at a free position in an instrument panel, and the ESR millimeter wave radar is arranged in a front bumper of a vehicle and is used for acquiring the relative distance and the relative speed of a front vehicle relative to the vehicle; the GPS module, the ESR millimeter wave radar and the voice alarm device are respectively and electrically connected with the microprocessor through leads; the GPS module is responsible for acquiring the speed information of the vehicle and sending the acquired speed information to the microprocessor; the microprocessor is responsible for processing data sent by the 6-axis accelerometer and the GPS module, judging whether the driver is distracted driving or not and controllingThe voice alarm device carries out voice prompt; firstly, calibrating 6 parameters of the head movement of the driver, which are acquired by a 6-axis accelerometer under the condition that the driver wears the sunglasses, wherein the 6 parameters comprise 3 acceleration values and 3 angular velocity values in 3 mutually vertical directions, and the method specifically comprises the following steps: the microprocessor records the distribution characteristics and the distribution range of 6 parameters of the 6-axis accelerometer and determines a calibrated range V when a driver drives under various road conditions under the condition of wearing the sunglassesSign board(ii) a The microprocessor continuously records data V of 6 parameters of the 6-axis accelerometer in one minuteMeasuringIf all 6 parameters are within the previously calibrated range, i.e. VMeasuring≤VSign boardJudging that the driver wears the sunglasses; otherwise the driver does not wear the sunglasses;
step 2, calibrating the horizontal rotation angle of the head of the driver in a non-center-driving state: a driver wears the sunglasses and horizontally rotates the head to normally watch the range from the left rearview mirror to the right rearview mirror, records the data range of the horizontal rotation angle acquired by the gyroscope in the 6-axis accelerometer, and marks the data range as the data range in the non-center driving state;
step 3, judging whether to perform distraction judgment through the GPS vehicle speed: when the GPS vehicle speed is less than 40km/h, the microprocessor does not perform distraction judgment; when the speed of the GPS is more than 40km/h, the microprocessor starts to acquire data measured by the 6-axis accelerometer and the ESR millimeter wave radar and performs distraction judgment;
and 4, identifying the distraction state of the driver: taking 3 seconds as a judgment period, analyzing the data distribution characteristics of the 6-axis accelerometer in real time by the microprocessor, and if the measurement data of the gyroscope in the 6-axis accelerometer exceeds the range calibrated in the step 2, indicating that the driver does not pay attention to the road right ahead at the moment;
and 5, evaluating the rear-end collision risk: if it is identified in step 4 that the driver is not paying attention to the road right ahead, the distance between the vehicle right ahead and the own vehicle measured by the ESR millimeter wave radar is less than 80m, and the TTC value is less than 5 seconds and continuously decreases, at this time, the microprocessor confirms that the driver is in a distracted driving state, and the risk that the own vehicle rear-ends the front vehicle is high;
wherein, TTC is the time when the vehicle collides with the front vehicle;
Δ s is the relative distance between the front vehicle and the self vehicle, and Δ v is the relative speed between the front vehicle and the self vehicle;
step 6, voice alarm: if the microprocessor judges that the driver is in a distracted driving state and the risk of the vehicle before the rear-end collision is higher, the voice alarm device sends an alarm signal to remind the driver of attentively driving, so that the rear-end collision accident is avoided.
2. The method for identifying whether the driver is distracted to drive based on wearing sunglasses as claimed in claim 1, wherein the sunglasses subsystem further comprises a Bluetooth module A, a battery module and a wireless charging device A;
the Bluetooth module A is embedded in a pile head of the sunglasses main body and is in Bluetooth connection with the 6-axis accelerometer and used for receiving and sending data information acquired by the 6-axis accelerometer;
the battery module is in a long and thin strip shape and is embedded in the glasses legs of the sunglasses main body, and the battery module is electrically connected with the Bluetooth module A and the 6-axis accelerometer respectively and is responsible for providing power for the whole sunglasses subsystem;
the wireless charging device A is embedded in the glasses frame of the sunglasses main body and used for charging the battery module.
3. The method for identifying whether the driver is distracted to drive or not based on wearing sunglasses is characterized in that the vehicle-mounted subsystem further comprises a sunglasses bracket device, a Bluetooth module B and a wireless charging device B, wherein the sunglasses bracket device, the Bluetooth module B and the wireless charging device B are all arranged at a free position in the instrument panel, the sunglasses bracket device is in a quadrangular frustum shape, two holes for placing sunglasses main body legs are symmetrically formed in two sides of the upper top surface of the sunglasses bracket device, the Bluetooth module B, GPS module, the wireless charging device B and the microprocessor are all arranged in the sunglasses bracket device, the voice alarm device is arranged on the upper top surface of the sunglasses bracket device, and the Bluetooth module B is electrically connected with the microprocessor through a conducting wire;
when the sunglasses main body is placed on the sunglasses bracket device, the wireless charging device B charges the wireless charging device A;
the Bluetooth module B is used for receiving the data sent by the Bluetooth module A and sending the received data to the microprocessor.
4. The method for identifying whether the driver is distracted driving based on the sunglasses wearing mode as claimed in claim 1, wherein the 6-axis accelerometer is a gyroscope + acceleration sensor, and the model of the 6-axis accelerometer is MPU-65006 axis.
5. The method for identifying whether the driver is distracted to drive based on wearing sunglasses as claimed in claim 3, wherein the Bluetooth module A and the Bluetooth module B are both AR3002 Bluetooth 4.0 chips.
6. The method for identifying whether the driver is distracted driving based on wearing sunglasses as claimed in claim 1, wherein the GPS module is a GSD4e GPS chip.
7. The method for identifying whether the driver is distracted driving based on wearing sunglasses as claimed in claim 1, wherein the microprocessor is an ARM9 processor, and the specific model is S3C 2410.
8. The method for identifying whether the driver is distracted to drive based on wearing sunglasses as claimed in claim 1, wherein the voice alarm device is a PM5020 voice chip.
9. The method for identifying whether a driver is distracted driving based on wearing sunglasses according to claim 3, wherein the battery module is 501235 polymer battery; the wireless charging device A and the wireless charging device B are respectively a receiving end and a transmitting end of the XKT-412A wireless power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459514.6A CN110262084B (en) | 2019-05-29 | 2019-05-29 | Sunglasses and method for identifying whether driver is distracted to drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459514.6A CN110262084B (en) | 2019-05-29 | 2019-05-29 | Sunglasses and method for identifying whether driver is distracted to drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110262084A CN110262084A (en) | 2019-09-20 |
| CN110262084B true CN110262084B (en) | 2020-04-03 |
Family
ID=67915864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910459514.6A Active CN110262084B (en) | 2019-05-29 | 2019-05-29 | Sunglasses and method for identifying whether driver is distracted to drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110262084B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111317469B (en) * | 2020-01-10 | 2022-12-02 | 深圳市宏智力科技有限公司 | Brain wave monitoring equipment, system and monitoring method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101659027B1 (en) * | 2014-05-15 | 2016-09-23 | 엘지전자 주식회사 | Mobile terminal and apparatus for controlling a vehicle |
| KR101867915B1 (en) * | 2015-01-16 | 2018-07-19 | 현대자동차주식회사 | Method for executing vehicle function using wearable device and vehicle for carrying out the same |
| US20160267335A1 (en) * | 2015-03-13 | 2016-09-15 | Harman International Industries, Incorporated | Driver distraction detection system |
| CN104680714A (en) * | 2015-03-24 | 2015-06-03 | 北京嘀嘀无限科技发展有限公司 | Method and system for sending prompts to user |
| CN105068277B (en) * | 2015-09-07 | 2017-10-31 | 苏州成之一时装创意设计有限公司 | Intelligent glasses application system |
-
2019
- 2019-05-29 CN CN201910459514.6A patent/CN110262084B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110262084A (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202472863U (en) | Driver fatigue monitoring network system based on image information comprehensive evaluation | |
| CN201824950U (en) | Automobile safe running anti-collision system | |
| CN105197134A (en) | Bicycle riding safety monitoring device, as well as bicycle and riding safety monitoring method using bicycle riding safety monitoring device | |
| CN106740505B (en) | A kind of automobile rear view mirror blind zone detection system and automobile rearview mirror | |
| CN202863238U (en) | Monitoring system for automobile rear-view mirror blind spot | |
| CN204845924U (en) | Vertically keep away to hit and remind and follow integrated system automatically | |
| CN111619447A (en) | Dynamic monitoring and early warning system and method for large vehicle | |
| CN201004179Y (en) | Real time scanning automatic confliction alarming control system for car road condition | |
| CN113192339A (en) | Road operation safety protection warning system | |
| CN110262084B (en) | Sunglasses and method for identifying whether driver is distracted to drive | |
| CN105225534A (en) | A kind of Lane Departure Warning System based on OBD and smart mobile phone and method for early warning thereof | |
| CN202115425U (en) | Passenger car with speed limiting system | |
| CN209842878U (en) | Self-propelled sharing type expressway fault vehicle warning system based on Beidou | |
| CN110126729A (en) | A kind of automobile back car auxiliary prompting method and system | |
| CN114333379A (en) | Vehicle fog zone active control system | |
| CN103241243B (en) | A kind of method and apparatus determining vehicle-state | |
| CN110262085B (en) | Sunglasses and method for identifying whether driver is in abnormal burst state | |
| CN206938656U (en) | Car plate rack device with blind area monitoring | |
| CN203255047U (en) | Electronic eye type rearview mirror device | |
| CN210488747U (en) | Sunglasses for identifying whether driver is in fatigue driving state | |
| CN110310458B (en) | Sunglasses and method for identifying whether driver is in fatigue driving state | |
| CN205890705U (en) | Rear -end collision -proof system of automobile | |
| CN104494512A (en) | Vehicle distance detection alarm | |
| CN212243156U (en) | Large vehicle dynamic monitoring and early warning system | |
| CN209921400U (en) | Intelligent steering wheel prevents driver fatigue system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |