CN203552404U - Driver fatigue monitor system - Google Patents
Driver fatigue monitor system Download PDFInfo
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- CN203552404U CN203552404U CN201320668526.8U CN201320668526U CN203552404U CN 203552404 U CN203552404 U CN 203552404U CN 201320668526 U CN201320668526 U CN 201320668526U CN 203552404 U CN203552404 U CN 203552404U
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- mounted computer
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Abstract
The utility model discloses a driver fatigue monitor system. An electrocardio acquisition module is fixed on the wrist of a driver; the output end of the electrode of the electrocardio acquisition module is connected with the input end of an A /D conversion circuit via a signal conditioning circuit; the output end of the A/D conversion circuit is connected with the input end of a Bluetooth sending adapter; a Bluetooth receiving adapter of a signal processing module is wirelessly connected with the Bluetooth sending adapter; the output end of the Bluetooth receiving adapter is connected with the input end of a vehicle-mounted computer; the input end of the power amplifier of an alarm module is connected onto the output end of the vehicle-mounted computer; the output end of the power amplifier is connected with a horn; the input end of a motor driving circuit is connected with the vehicle-mounted computer; and the output end of the motor driving circuit is respectively connected with a safety belt tightness motor and a mist spray motor. According to the driver fatigue monitor system, fatigue of the driver can be monitored; once the driven is found to maintain a nervous state for a long time, the driver can be timely warned the fatigue state that he/she is already in, the driver needs to be adjusted to be in a clear driving state timely, and traffic accidents can be effectively prevented from happening.
Description
Technical field
The utility model relates to a kind of driving safety system, is specifically related to a kind of driving fatigue early warning system.
Background technology
Along with the raising of China's rapid economic development and living standards of the people, automobile enters huge numbers of families, becomes already the walking-replacing tool of people's trip, but also follows traffic safety problem to become increasingly conspicuous simultaneously.In driver's driving procedure, particularly long-distance long-duration driving, spiritual in high-pressure state, tends to produce driving fatigue.Driving fatigue is a major reason that causes traffic hazard.
Passive safety and active safety are two important component parts of vehicle safety.Passive safety system refer to install the injury that back occupant is subject to so that vehicle has an accident of necessary buffer device be reduced to minimum, as air bag, securing band, energy absorbing steering cloumn, safety glass etc.And active safety system is the generation of prevention traffic hazard, can better protect driver's safety, also reduce economic loss simultaneously.Therefore active safety has more research and practical value and popular to people.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of driving fatigue early warning system, it can carry out fatigue monitoring to driver, once find that driver keeps tense situation for a long time, and while there is driving fatigue, carry out in time effective voice and vibration prompt etc., alerting driver has entered fatigue state, must be adjusted in time clear-headed driving condition, guarantee driving safety, the generation avoiding traffic accident.
For addressing the above problem, a kind of driving fatigue early warning system that the utility model is designed, is mainly comprised of electrocardiogram acquisition module, signal processing module and alarm module.Wherein electrocardiogram acquisition module is fixed in driver's wrist, comprises electrode, signal conditioning circuit, A/D change-over circuit and sends Bluetooth adapter.The output terminal of electrode is connected with the input end of A/D change-over circuit through signal conditioning circuit, and the output terminal of A/D change-over circuit connects the input end that sends Bluetooth adapter.Signal processing module comprises vehicle-mounted computer and receives Bluetooth adapter.Receive Bluetooth adapter and send Bluetooth adapter wireless connections, the output terminal that receives Bluetooth adapter connects the input end of vehicle-mounted computer.Alarm module comprises power amplifier, loudspeaker, motor-drive circuit, securing band degree of tightness motor and spraying motor.The input end of power amplifier is connected on the output terminal of vehicle-mounted computer, and the output terminal of power amplifier is connected with loudspeaker.The input end of motor-drive circuit connects vehicle-mounted computer, and the output terminal of motor-drive circuit is safety harness degree of tightness motor and spraying motor respectively.
In such scheme, described reception Bluetooth adapter is connected on the serial ports of vehicle-mounted computer; Power amplifier is connected on the audio output port of vehicle-mounted computer; Motor-drive circuit is connected on the input and output Control card of vehicle-mounted computer.
Compared with prior art, the utlity model has following features:
1, by electrocardiogram acquisition module, driver's heart rate is gathered, and utilize the panalarms such as loudspeaker (sense of hearing), securing band degree of tightness motor (sense of touch) and spraying motor (sense of smell) to carry out early warning prompting to driver; Utilize heart rate variability signals to monitor driver's fatigue state, can monitor out the real fatigue state of driver more accurately, make again the accuracy of system improve; And driver is carried out to fatigue from sense of touch, the sense of hearing and sense of smell, remind, form the collaborative early warning of many sense organs, more can improve its early warning effect, impel driver to adjust in time driving condition;
2, the utility model system forms simply, and except ECG Gathering System module, other subsystem module can be continued to use the existing equipment on existing automobile framework, as vehicle-mounted computer, sound equipment etc.; Thereby there is good economy, be conducive to marketing application.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of driving fatigue early warning system.
Embodiment
A driving fatigue early warning system, as shown in Figure 1, it is mainly comprised of electrocardiogram acquisition module, signal processing module and alarm module.
Described electrocardiogram acquisition module is fixed in driver's wrist, gathers driver's real-time heart rate.Electrocardiogram acquisition module comprises electrode, signal conditioning circuit, A/D change-over circuit and sends Bluetooth adapter.The output terminal of electrode is connected with the input end of A/D change-over circuit through signal conditioning circuit, and the output terminal of A/D change-over circuit connects the input end that sends Bluetooth adapter.
Described signal processing module carries out filtering again and heart rate variability analysis for the heart rate that electrocardiogram acquisition module is collected, and to exceeding the tired threshold values signal of appointment, instruction is passed to alarm module, makes it make corresponding actuation of an alarm.Signal processing module comprises vehicle-mounted computer and receives Bluetooth adapter.Receive Bluetooth adapter and send Bluetooth adapter wireless connections, the output terminal that receives Bluetooth adapter connects the input end of vehicle-mounted computer.The vehicle-mounted computer of signal processing module adopts the heart rate signal that in prior art, existing heart rate variability analysis mode collects electrocardiogram acquisition module to analyze.This heart rate variability analysis, mainly comprises that low-frequency range performance number (LF), high band performance number (HF) are extracted and compares with the prior tired threshold values of setting in software frequency-domain index, thereby judging that whether driver is in fatigue state.It is generally acknowledged electrocardio LF cluster threshold value between (43.8,60.4) in driving fatigue transition state.
Described alarm module is for making corresponding warning to the instruction sending over from signal processing module.Alarm module comprises power amplifier, loudspeaker, motor-drive circuit, securing band degree of tightness motor and spraying motor.The input end of power amplifier is connected on the output terminal of vehicle-mounted computer, and the output terminal of power amplifier is connected with loudspeaker.The input end of motor-drive circuit connects vehicle-mounted computer, and the output terminal of motor-drive circuit is safety harness degree of tightness motor and spraying motor respectively.Loudspeaker can be play alarm voice and music), make driver obtain in time loosening mood.Spraying motor can spray pungent odour gas or fragrance, stimulates driver's olfactory nerve.Securing band degree of tightness motor can utilize motor to pull the securing band of subject's hip, by exerting pressure to its belly and vibration provides early warning.This alarm module is respectively from the sense of hearing, sense of touch, sense of smell, forms the collaborative early warning driver fatigue of many sense organs and adjusts driver's state of driving, and guarantees traffic safety.
Utilize HRV (HRV) signal to monitor driver's fatigue state, from driver's physiological property, by to Variation of Drivers ' Heart Rate Variability Analysis, can monitor out the real fatigue state of driver more accurately, thereby also make the accuracy of system improve.And in the various sensory channels of human body, the reaction time of sense of touch and the sense of hearing is the shortest, the most responsive, reaction time is respectively 117-182ms, 120-182ms, and the reaction time of sense of smell is 210-390ms, therefore, from sense of touch, the sense of hearing and sense of smell, form the collaborative early warning of many sense organs, more can improve its early warning effect, impel driver to adjust in time driving condition.The utility model has well incorporated the relevant theory of biomechanics and vehicle man-machine engineering, take driver psychology as the center of circle, and physiology is radius; set up harmonious relationships between people and machine; excavate to greatest extent driver's potential, protection driver is healthy, thereby improves vehicle drive safety.
Claims (2)
1. a driving fatigue early warning system, is characterized in that: mainly electrocardiogram acquisition module, signal processing module and alarm module, consist of; Wherein
Electrocardiogram acquisition module is fixed in driver's wrist, comprises electrode, signal conditioning circuit, A/D change-over circuit and sends Bluetooth adapter; The output terminal of electrode is connected with the input end of A/D change-over circuit through signal conditioning circuit, and the output terminal of A/D change-over circuit connects the input end that sends Bluetooth adapter;
Signal processing module comprises vehicle-mounted computer and receives Bluetooth adapter; Receive Bluetooth adapter and send Bluetooth adapter wireless connections, the output terminal that receives Bluetooth adapter connects the input end of vehicle-mounted computer;
Alarm module comprises power amplifier, loudspeaker, motor-drive circuit, securing band degree of tightness motor and spraying motor; The input end of power amplifier is connected on the output terminal of vehicle-mounted computer, and the output terminal of power amplifier is connected with loudspeaker; The input end of motor-drive circuit connects vehicle-mounted computer, and the output terminal of motor-drive circuit is safety harness degree of tightness motor and spraying motor respectively.
2. a kind of driving fatigue early warning system according to claim 1, is characterized in that: described reception Bluetooth adapter is connected on the serial ports of vehicle-mounted computer; Power amplifier is connected on the audio output port of vehicle-mounted computer; Motor-drive circuit is connected on the input and output Control card of vehicle-mounted computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668526.8U CN203552404U (en) | 2013-10-28 | 2013-10-28 | Driver fatigue monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668526.8U CN203552404U (en) | 2013-10-28 | 2013-10-28 | Driver fatigue monitor system |
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| Publication Number | Publication Date |
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| CN203552404U true CN203552404U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320668526.8U Expired - Fee Related CN203552404U (en) | 2013-10-28 | 2013-10-28 | Driver fatigue monitor system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095625A (en) * | 2014-07-05 | 2014-10-15 | 林聪� | Heart rate and electrocardio fatigue measuring instrument |
| CN105430104A (en) * | 2016-01-02 | 2016-03-23 | 无锡桑尼安科技有限公司 | Human body function monitoring method |
| US9905108B2 (en) | 2014-09-09 | 2018-02-27 | Torvec, Inc. | Systems, methods, and apparatus for monitoring alertness of an individual utilizing a wearable device and providing notification |
| US10238335B2 (en) | 2016-02-18 | 2019-03-26 | Curaegis Technologies, Inc. | Alertness prediction system and method |
| CN109991891A (en) * | 2017-12-29 | 2019-07-09 | 新华网股份有限公司 | Fatigue mitigation system |
-
2013
- 2013-10-28 CN CN201320668526.8U patent/CN203552404U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095625A (en) * | 2014-07-05 | 2014-10-15 | 林聪� | Heart rate and electrocardio fatigue measuring instrument |
| US9905108B2 (en) | 2014-09-09 | 2018-02-27 | Torvec, Inc. | Systems, methods, and apparatus for monitoring alertness of an individual utilizing a wearable device and providing notification |
| US10055964B2 (en) | 2014-09-09 | 2018-08-21 | Torvec, Inc. | Methods and apparatus for monitoring alertness of an individual utilizing a wearable device and providing notification |
| US10339781B2 (en) | 2014-09-09 | 2019-07-02 | Curaegis Technologies, Inc. | Methods and apparatus for monitoring alterness of an individual utilizing a wearable device and providing notification |
| CN105430104A (en) * | 2016-01-02 | 2016-03-23 | 无锡桑尼安科技有限公司 | Human body function monitoring method |
| US10238335B2 (en) | 2016-02-18 | 2019-03-26 | Curaegis Technologies, Inc. | Alertness prediction system and method |
| US10588567B2 (en) | 2016-02-18 | 2020-03-17 | Curaegis Technologies, Inc. | Alertness prediction system and method |
| US10905372B2 (en) | 2016-02-18 | 2021-02-02 | Curaegis Technologies, Inc. | Alertness prediction system and method |
| CN109991891A (en) * | 2017-12-29 | 2019-07-09 | 新华网股份有限公司 | Fatigue mitigation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |