CN210488747U - Sunglasses for identifying whether driver is in fatigue driving state - Google Patents

Sunglasses for identifying whether driver is in fatigue driving state Download PDF

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Publication number
CN210488747U
CN210488747U CN201920793778.0U CN201920793778U CN210488747U CN 210488747 U CN210488747 U CN 210488747U CN 201920793778 U CN201920793778 U CN 201920793778U CN 210488747 U CN210488747 U CN 210488747U
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sunglasses
driver
module
bluetooth module
wireless charging
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赵晨
史聪灵
吕敬民
张兴凯
李建
秦挺鑫
何理
胥旋
车洪磊
刘晶晶
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China Academy of Safety Science and Technology CASST
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China Academy of Safety Science and Technology CASST
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Abstract

The utility model relates to a sunglasses for whether driver fatigue drives belongs to the traffic safety field. The sunglasses comprise a sunglasses subsystem and a vehicle-mounted subsystem, wherein the sunglasses subsystem comprises a 6-axis accelerometer, a Bluetooth module A, a battery module and a wireless charging device A, and the vehicle-mounted subsystem comprises a sunglasses bracket device, a wireless charging device B, a Bluetooth module B, GPS module, a microprocessor and a voice alarm device. The utility model discloses whether judge the driver according to 6 axle accelerometer's data and wear this sunglasses to study the data under the non-driver fatigue state, judge the speed of a motor vehicle whether too fast according to GPS's data, whether necessary carry out fatigue early warning, through the data of real-time analysis 6 axle accelerometer and with the data under the non-driver fatigue state do the contrast can judge whether driver fatigue drives and whether send alarm signal. The utility model discloses simple structure, the fatigue driving problem of wearing sunglasses driver can effectively be solved to the reliable operation.

Description

Sunglasses for identifying whether driver is in fatigue driving state
Technical Field
The utility model relates to a traffic safety field, in particular to sunglasses for discerning whether driver is tired driving.
Background
In the long-distance transportation, whether the long-distance bus or the goods transportation, the fatigue driving is easy to happen, and the fatigue driving is a serious potential safety hazard in the field of traffic safety. Although the prior art can monitor the facial expression and eye movement information of the driver in real time by using video image information to monitor whether the driver is tired and carry out corresponding early warning, the scheme is obviously not suitable for the driver wearing sunglasses. In the driving process, especially under the weather condition of sunny days in summer, the condition that the driver wears the sunglasses is common. The prior art does not provide a solution for fatigue monitoring for drivers wearing sunglasses.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a sunglasses for identifying whether a driver is tired. The utility model discloses can effectively solve the driver's of wearing sunglasses driver problem of driving fatigue, and this utility model simple structure, reliable operation, the cost is little and be fit for extensively promoting.
The utility model aims at realizing through the following technical scheme:
a sunglass for identifying whether a driver is tired in driving 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, a wireless charging device B, a microprocessor and a voice alarm device, and is arranged in an idle position in the instrument panel; 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 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 fatigue 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.
The utility model has the advantages that:
the utility model provides a sunglasses for discerning whether driver is driver fatigue mainly adopts 6 accelerometer, bluetooth module, battery module and wireless charging module, and this system power consumption is little, the design is simple, the reliability is high. The utility model discloses based on sunglasses subsystem and on-vehicle subsystem, gather the motion information of driver's head through the embedded 6 accelerometers that are in sunglasses nose bridge, utilize bluetooth module to carry out the transmission of data. The method can be used for judging whether the fatigue driving condition of the driver occurs or not by calibrating the parameter range under the non-fatigue driving condition.
The utility model discloses can effectively solve the unable discernment among the video monitoring and wear sunglasses driver fatigue driving's the condition. And this sunglasses can place and carry out wireless charging automatically on the sunglasses support under the condition of not using, convenient to use, and intelligent degree is high, the reliable operation.
Drawings
Fig. 1 is a schematic structural diagram of a sunglasses subsystem according to the present invention;
FIG. 2 is a schematic structural diagram of the vehicle-mounted subsystem according to the present invention;
FIG. 3 is a schematic block flow diagram of a method for identifying whether a driver is tired using the sunglasses of 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 and a 10-voice alarm device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A sunglass for identifying whether a driver is tired in driving 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.
Battery module 4 is elongated strip, embedded in the mirror leg of sunglasses main part, battery module 4 is connected with bluetooth module A3, 6 axle accelerometer 1 electricity respectively, is responsible for providing the power for whole sunglasses subsystem, battery module 4 model is optional for 501235 polymer battery.
The wireless charging device a2 is embedded in the frame of the sunglasses main body and is used for charging the battery module 4.
As shown in fig. 2, the vehicle-mounted subsystem comprises a sunglasses bracket device 5, a bluetooth module B8, a GPS module 9, a wireless charging device B6, a microprocessor 7 and a voice alarm device 10, and is arranged in a vacant position in the instrument panel; wherein:
sunglasses support device 5 is four prismatic table forms, and the bilateral symmetry of its upper surface is equipped with two holes that are used for placing sunglasses main part mirror leg, bluetooth module B8, GPS module 9, wireless charging device B6 and microprocessor 7 all set up inside sunglasses support device 5, audio alert device 10 sets up sunglasses support device 5's last top surface, bluetooth module B8, GPS module 9 and audio alert device 10 respectively with microprocessor 7 passes through the wire electricity and connects.
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 acquiring speed information of the vehicle and sending the acquired speed information to the microprocessor 7. 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 a driver is fatigue 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. 3, a method for recognizing whether a driver is tired of driving using the sunglasses includes the steps of:
step 1, judging whether a driver wears sunglasses for identifying fatigue driving of the driver: 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, learning parameters in a non-fatigue driving state: after the step 1 that the sunglasses are worn by the driver and the GPS vehicle speed is greater than 10km/h, the microprocessor continuously records the data distribution characteristics of 6 parameters of the 6-axis accelerometer in the non-fatigue driving state of the driver, and determines the distribution range v 'of the 6 parameters'Sign boardTime of studyNot less than 10 hours;
step 3, judging whether to carry out fatigue early warning through the GPS vehicle speed: when the GPS vehicle speed is less than 40km/h, the microprocessor does not carry out fatigue early warning; when the speed of the GPS is more than 40km/h, the microprocessor starts to acquire data measured by the 6-axis accelerometer through the Bluetooth module for fatigue judgment;
step 4, fatigue judgment: with 30 seconds as a judgment period, the microprocessor analyzes the data distribution characteristics of 6 parameters of the 6-axis accelerometer in real time and calibrates the range v 'of the data of the 6-axis accelerometer in a non-fatigue driving state'Sign boardIn contrast, if the data distribution of the 6-axis accelerometer deviates from the data calibration range v 'of the non-fatigue state'Sign boardThen, performing an alert mode;
step 5, fatigue degree judgment: in the alert mode, if the change rate of the 6-axis accelerometer in the gravity direction within 5 seconds exceeds 40%, the driver is judged to be drowsy;
step 6, voice alarm: if the condition in the step 5 occurs, the voice alarm device sends out an alarm signal; if the condition of the step 5 does not occur, but the duration time of the alert mode exceeds 10 minutes, which indicates that the driver is in a slight fatigue driving state, the voice alarm device sends out a soft prompt signal to remind the driver to take a rest to avoid fatigue driving.
The utility model discloses a principle is through placing the head motion characteristic that driver was gathered to 6 accelerometers in the black mirror nose bridge in one in, whether the data through 6 accelerometers of real-time analysis surpass the data range of demarcation under the non-driver fatigue state and judge whether driver is driver fatigue, if the judged result is driver fatigue, then voice alarm device will carry out pronunciation early warning to the driver. The utility model discloses can effectively solve the condition of wearing sunglasses driver fatigue, compensate prior art and adopted whether driver fatigue drives but can't solve the not enough of wearing sunglasses driver. The utility model adopts the 6-axis accelerometer as the main sensor, which has high stability and low energy consumption; the sunglasses of the utility model can be charged wirelessly, the battery does not need to be replaced, and the use is convenient; the utility model discloses combine the GPS sensor for the system is out of work under the low-speed condition, avoids this system to bring unnecessary disturbing for the driver. The utility model discloses simple structure, reliable operation, intelligent degree are higher, are fit for extensively promoting.
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 (7)

1. A sunglasses for identifying whether a driver is tired to drive is characterized by comprising a sunglasses subsystem and a vehicle-mounted subsystem,
the sunglasses subsystem includes sunglasses main part, 6 axis accelerometer (1), bluetooth module A (3), battery module (4) and wireless charging device A (2), wherein:
the 6-axis accelerometer (1) 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 (3) is embedded in a pile head of the sunglasses main body, and the Bluetooth module A (3) is in Bluetooth connection with the 6-axis accelerometer (1) and is used for receiving and sending data information acquired by the 6-axis accelerometer (1);
the battery module (4) is in a long and thin strip shape and is embedded in the glasses legs of the sunglasses main body, and the battery module (4) is electrically connected with the Bluetooth module A (3) and the 6-axis accelerometer (1) respectively and is responsible for providing power for the whole sunglasses subsystem;
the wireless charging device A (2) is embedded in a mirror 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 B (8), a GPS module (9), a wireless charging device B (6), a microprocessor (7) and a voice alarm device (10), and is arranged at an idle position in the instrument panel; wherein:
the sunglasses are characterized in that the sunglasses support device (5) 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 (8), the GPS module (9), the wireless charging device B (6) and the microprocessor (7) are all arranged inside the sunglasses support device (5), the voice alarm device (10) is arranged on the upper top surface of the sunglasses support device (5), and the Bluetooth module B (8), the GPS module (9) and the voice alarm device (10) are respectively and electrically connected with the microprocessor (7) through wires;
when the sunglasses body is placed on the sunglasses holder device (5), the wireless charging device B (6) charges the wireless charging device A (2);
the Bluetooth module B (8) is used for receiving the data sent by the Bluetooth module A (3) and sending the received data to the microprocessor (7);
the GPS module (9) is responsible for acquiring the speed information of the vehicle and sending the acquired speed information to the microprocessor (7);
the microprocessor (7) is an ARM9 processor and is responsible for processing data sent by the 6-axis accelerometer (1) and the GPS module (9), judging whether a driver is fatigue driving or not and controlling the voice alarm device (10) to carry out voice prompt.
2. Sunglasses for identifying whether a driver is tired driving according to claim 1, characterized in that the 6-axis accelerometer (1) is a gyroscope + acceleration sensor, the model of the 6-axis accelerometer (1) being the MPU-65006 axis.
3. Sunglasses for identifying whether a driver is tired according to claim 1, characterized in that the bluetooth module a (3) and the bluetooth module B (8) are both AR3002 bluetooth 4.0 chips.
4. Sunglasses for identifying whether a driver is tired driving according to claim 1, characterized in that the GPS module (9) is a GSD4e GPS chip.
5. Sunglasses for identifying whether a driver is tired driving according to claim 1, characterized in that the microprocessor (7) is of the specific model S3C 2410.
6. Sunglasses for identifying whether a driver is tired according to claim 1, characterized in that the voice warning device (10) is a PM5020 voice chip.
7. Sunglasses for identifying whether a driver is tired driving according to claim 1, characterized in that the battery module (4) is an 501235 polymer battery; and the wireless charging device A (2) and the wireless charging device B (6) are respectively a receiving end and a transmitting end of the XKT-412A wireless power supply module.
CN201920793778.0U 2019-05-29 2019-05-29 Sunglasses for identifying whether driver is in fatigue driving state Active CN210488747U (en)

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CN201920793778.0U CN210488747U (en) 2019-05-29 2019-05-29 Sunglasses for identifying whether driver is in fatigue driving state

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Application Number Priority Date Filing Date Title
CN201920793778.0U CN210488747U (en) 2019-05-29 2019-05-29 Sunglasses for identifying whether driver is in fatigue driving state

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