METHOD AND DEVICE FOR MONITORING FATIGUED DRIVING

• US 20170281068A1
• Filed: 02/23/2016
• Published: 10/05/2017
• Est. Priority Date: 04/10/2015
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: ZHANG, Jingyu, SUN, Wei
• Granted Patent: US 10,390,749 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 2560/029 adapted for auto-initiation
• CPC Class Codes: A61B 2562/0219 Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
• CPC Class Codes: A61B 3/10 Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
• CPC Class Codes: A61B 5/0077 Devices for viewing the surface of the body, e.g. camera, magnifying lens
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/022 by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
• CPC Class Codes: A61B 5/1103 Detecting eye twinkling
• CPC Class Codes: A61B 5/18 for vehicle drivers or machine operators
• CPC Class Codes: A61B 5/369 Electroencephalography [EEG] devices for psychotechnics A61B5/16
• CPC Class Codes: A61B 5/374 Detecting the frequency distribution of signals, e.g. detecting delta, theta, alpha, beta or gamma waves
• CPC Class Codes: A61B 5/7282 Event detection, e.g. detecting unique waveforms indicative of a medical condition A61B5/4094, A61B5/4818, A61B5/349, A61B5/0823 take precedence
• CPC Class Codes: A61M 21/00 Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
• CPC Class Codes: B60K 28/066 actuating a signalling device B60K28/063 takes precedence
• CPC Class Codes: B60W 2040/0827 due to sleepiness
• CPC Class Codes: B60W 2540/22 Psychological state; Stress level or workload
• CPC Class Codes: G08B 21/06 indicating a condition of sleep, e.g. anti-dozing alarms
• CPC Class Codes: G08B 29/186 Fuzzy logic; neural networks

Abstract

A method and device for monitoring fatigued driving. The device comprises a processor, a monitoring unit an alarm unit and an inflating unit connected to the processor. The processor is used to obtain a monitor result, transmit, according to the monitor result, an alarm instruction to the alarm unit, and transmit an air inflation instruction to inflating unit upon obtaining the monitor result again after transmitting the alarm instruction. The monitor unit is used to monitor, in real time, a driving state of the driver, and transmit data indicating the driving state of the driver; the alarm unit (12) is used to receive the alarm instruction, and provide the alarm according to the alarm instruction; and the inflating unit is used to receive the air inflation instruction, and fill air according to the air inflation instruction.

Claims

1. A device for monitoring fatigue driving, comprising a processor, and a monitoring unit, an alarm unit and an inflating unit which are respectively connected with the processor, wherein:

the processor is configured to acquire a monitoring result, send an alarm instruction to the alarm unit according to the monitoring result, and send an inflating instruction to the inflating unit when acquiring the monitoring result again after sending the alarm instruction, wherein the monitoring result is used for indicating whether a driver is in a fatigue driving state, the alarm instruction is used for instructing the alarm unit to give out an alarm, and the inflating instruction is used for instructing the inflating unit to perform an inflation operation;

the monitoring unit is configured to monitor the driving state of the driver in real time, and send data indicating the driving state of the driver to the processor;

the alarm unit is configured to receive the alarm instruction sent by the processor, and give out the alarm according to the alarm instruction; and

the inflating unit is configured to receive the inflating instruction sent by the processor, and perform the inflation operation according to the inflating instruction.

2. The device for monitoring fatigue driving according to claim 1, wherein the inflating unit includes a microprocessor connected with the processor, a driving module connected with the microprocessor, and a cuff connected with the driving module, wherein:

the microprocessor is configured to receive the inflating instruction sent by the processor, and send an inflating signal to the driving module according to the inflating instruction; and

the driving module is configured to receive the inflating signal sent by the microprocessor, and inflate the cuff according to the inflating signal.

3. The device for monitoring fatigue driving according to claim 2, wherein the inflating unit further includes a pressure sensor connected with both the microprocessor and the cuff, wherein:

the pressure sensor is configured to detect a value of a pressure intensity of the cuff when the driving module inflates the cuff, and send the value of the pressure intensity to the microprocessor;

the microprocessor is also configured to receive the value of the pressure intensity sent by the pressure sensor, and send a deflating signal to the driving module when the value of the pressure intensity is greater than or equal to a default threshold; and

the driving module is also configured to receive the deflating signal sent by the microprocessor, and deflate the cuff according to the deflating signal.

4. The device for monitoring fatigue driving according to claim 2, wherein:

the driving module is a miniature inflation motor;

or

the driving module includes a miniature pressure pump and a miniature exhaust valve.

5. The device for monitoring fatigue driving according to claim 1, wherein the monitoring unit includes at least one of a face monitoring module or a brain monitoring module;

the face monitoring module is configured to monitor eyes of the driver and send data indicating an eye state of the driver to the processor; and

the brain monitoring module is configured to monitor a brain of the driver and send data indicating a brain state of the driver to the processor.

6. The device for monitoring fatigue driving according to claim 5, wherein:

the face monitoring module is a miniature camera; and

the brain monitoring module is an electroencephalogram (EEG) sensor.

7. The device for monitoring fatigue driving according to claim 1, wherein the device for monitoring fatigue driving further comprises a power supply unit connected with the processor, the monitoring unit, the alarm unit and the inflating unit;

and

the power supply unit is configured to supply power for the processor, the monitoring unit, the alarm unit and the inflating unit.

8. The device for monitoring fatigue driving according to claim 7, wherein:

the power supply unit is charged by a wireless charging approach.

9. The device for monitoring fatigue driving according to claim 1, wherein the device for monitoring fatigue driving further comprises a switching unit connected with the processor;

and

the switching unit is configured to control the device for monitoring fatigue driving to switch on or off.

10. The device for monitoring fatigue driving according to claim 9, wherein:

the switching unit is a mechanical switch or an acceleration sensor.

11. The device for monitoring fatigue driving according to claim 1, wherein:

the alarm unit includes at least one of a voice alarm module or a vibrating motor alarm module.

12. A method for monitoring fatigue driving, applied in a device for monitoring fatigue driving according to claim 1, comprising:

monitoring, by the device for monitoring fatigue driving, a driving state of a driver in real time;

providing, by the device for monitoring fatigue driving, an alarm if the driving state of the driver is determined to be a fatigue driving state; and

performing, by the device for monitoring fatigue driving, an inflation operation if the driving state of the driver is still determined to be the fatigue driving state after providing the alarm.

13. The method according to claim 12, wherein performing, by the device for monitoring fatigue driving, the inflation operation if the driving state of the driver is still determined to be the fatigue driving state after providing the alarm includes:

inflating a cuff of the device for monitoring fatigue driving if the driving state of the driver is still determined to be the fatigue driving state after providing the alarm.

14. The method according to claim 13, further comprising:

detecting, by the device for monitoring fatigue driving, a value of a pressure intensity of the cuff when the cuff is inflated; and

deflating the cuff if the value of the pressure intensity is greater than or equal to a default threshold.

15. The method according to claim 12, wherein:

monitoring, by the device for monitoring fatigue driving, the driving state of a driver in real time includes;

monitoring, by the device for monitoring fatigue driving, eyes of the driver and a brain of the driver in real time; and

performing, by the device for monitoring fatigue driving, the inflation operation if the driving state of the driver is still determined to be the fatigue driving state after providing the alarm includes;

providing, by the device for monitoring fatigue driving, the alarm if both the eyes of the driver and the brain of the driver are determined to be in a fatigue state.

16. The method according to claim 15, wherein monitoring, by the device for monitoring fatigue driving, the eyes of the driver and the brain of the driver in real time includes:

extracting, by the device for monitoring fatigue driving, eye features of the driver in real time, and acquiring an EEG signal of the driver;

determining, by the device for monitoring fatigue driving, whether the eyes of the driver are in the fatigue state according to the eye features; and

determining, by the device for monitoring fatigue driving, whether the brain of the driver is in the fatigue state according to the EEG signal.

17. The device for monitoring fatigue driving according to claim 3, wherein:

the driving module is a miniature inflation motor;

or

the driving module includes a miniature pressure pump and a miniature exhaust valve.

18. The device for monitoring fatigue driving according to claim 2, wherein the monitoring unit includes at least one of a face monitoring module or a brain monitoring module;

the face monitoring module is configured to monitor eyes of the driver and send data indicating an eye state of the driver to the processor; and

the brain monitoring module is configured to monitor a brain of the driver and send data indicating a brain state of the driver to the processor.

19. The device for monitoring fatigue driving according to claim 2, further comprising a power supply unit connected with the processor, the monitoring unit, the alarm unit and the inflating unit,

wherein the power supply unit is configured to supply power for the processor, the monitoring unit, the alarm unit and the inflating unit.

20. The device for monitoring fatigue driving according to claim 2, further comprising a switching unit connected with the processor,

wherein the switching unit is configured to control the device for monitoring fatigue driving to switch on or off.