CN102835964B - Glasses for acquiring fatigue driving physiological signal transmitted via Bluetooth - Google Patents
Glasses for acquiring fatigue driving physiological signal transmitted via Bluetooth Download PDFInfo
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- CN102835964B CN102835964B CN201210318886.5A CN201210318886A CN102835964B CN 102835964 B CN102835964 B CN 102835964B CN 201210318886 A CN201210318886 A CN 201210318886A CN 102835964 B CN102835964 B CN 102835964B
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Abstract
The invention discloses a pair of glasses for acquiring a fatigue driving physiological signal transmitted via Bluetooth. The pair of glasses is provided with a sensor group and a Bluetooth transmitter module; the sensor group includes a nose myoelectricity sensor which is used for detecting eye blinking frequency of a driver, and a head electrocerebral sensor which is used for detecting the brain wave frequency of the driver; outputs of the nose myoelectricity sensor and the head electrocerebral sensor is connected with the input of the Bluetooth transmitter module, respecitively, and the data detected by the sensor group is output by the Bluetooth transmitter module. The pair of glasses not only solves the locating and wearing problems, but also due to the adoption of the nose myoelectricity sensor and the head electrocerebral sensor to collect the physiological signal, has the advantages of small date volume, directness, comprehensiveness, no complex process and no individual privacy exposure. The pair of glasses can accurately detect the fatigue driving physiological signal of the driver and help relevant authority judge the fatigue drive degree of the driver accurately and promptly and plays a significant role in decreasing traffic accidents.
Description
Technical field
The present invention relates to a kind of glasses, particularly relate to a kind of fatigue driving physiological signal collection glasses of Bluetooth transmission.
Background technology
At present, prior art is mainly divided into following two large classes for the instrument of preventing driver fatigue driving:
Whether one class take car manufactures as the fatigue driving detecting instrument centered by car of representative, and it is the travel conditions by detecting automobile, such as: whether walk " snakelike " route, neglect and neglect slow etc. soon, indirectly judge the fatigue conditions of driver.Obviously, this driver tired driving detecting instrument and determination methods thereof exist a lot of uncertain, and accuracy is lower.
Another kind of is fatigue driving detecting instrument centered by driver, mainly comprise following two kinds: one is the facial image information (mainly eyes) adopting photographic head (or other instruments) to gather driver, obtain through computer disposal the number of times that eyes blink again, judge the fatigue conditions of driver with this; Another kind is adopt method medically to detect brain wave substantially, judges the fatigue conditions of driver.But also there is following weak point in this kind of detecting instrument in detection means and date processing:
1, the head location problem of people: general photographic head and the high performance computer needing more than two in the car of motion, just can complete the collection of facial image information, make complicated operation, driver not easily completes, and in addition, price is also higher.Therefore, what see at present is all single camera, and in fact single camera completes head location is more difficult.
2, the acquisition problems of facial image information: require that user can not wear sunglasses, (particularly driver wear polarizer) can filter most infrared ray, ultraviolet and reflect away visible ray this is because sunglasses.In addition, adopt facial image information to gather physiological signal, also there is the weak points such as data volume is large, process is complicated.Therefore, the collection of facial image information is very limited in actual applications.
3. privacy problem: adopt photographic head to carry out appearance image information collecting to driver, probably cause some privacy of driver to be exposed.
4, brain wave problem is detected: driver's head needs the fastening headgear wearing similar bathing cap, there are many electrodes headgear inside, and people's long periods of wear is very uncomfortable, and date processing is also very complicated, is difficult to use on common car.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, a kind of fatigue driving physiological signal collection glasses of Bluetooth transmission are provided, it increases the function of the fatigue driving physiological signal gathering and transmit driver on the basis of existing glasses, not only solve location and wear problem, and can the fatigue driving data of Obtaining Accurate driver, help about administration section accurately judges the fatigue driving degree of driver.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fatigue driving physiological signal collection glasses of Bluetooth transmission, and these glasses are equipped with:
Sensor group, for the physiological data of Real-time Collection driver, this sensor group comprises bridge of the nose myoelectric sensor, and the eyes for detecting driver blink number of times; Head brain electric transducer, for detecting the brain wave frequency of driver;
Bluetooth transmission module, for externally transmitting data;
Wherein, the output of bridge of the nose myoelectric sensor and head brain electric transducer is connected to the input of Bluetooth transmission module respectively, the data detected by bridge of the nose myoelectric sensor and head brain electric transducer is externally exported by Bluetooth transmission module.
Described sensor group also comprises ear's pressure signal sensor, for detecting the yawning number of times of driver; The output of this ear's pressure signal sensor is connected to the input of described Bluetooth transmission module, the data detected by this ear's pressure signal sensor is externally exported by described Bluetooth transmission module.
Described glasses comprise two lenses, be positioned at two nose supports of the opposing inner end of two lenses and be positioned at two legs of spectacles of external opposite ends of two lenses; Described bridge of the nose myoelectric sensor is a pair, there are two electrodes, two electrodes of this pair bridge of the nose myoelectric sensor are installed on two nose supports respectively, and described head brain electric transducer adopts connecting band to be connected between two legs of spectacles, and described Bluetooth transmission module is installed on a wherein leg of spectacles.
Described glasses comprise two lenses, be positioned at two nose supports of the opposing inner end of two lenses and be positioned at two legs of spectacles of external opposite ends of two lenses; Described bridge of the nose myoelectric sensor is a pair, there are two electrodes, two electrodes of this pair bridge of the nose myoelectric sensor are installed on two nose supports respectively, and described head brain electric transducer adopts connecting band to be connected between two legs of spectacles, and described Bluetooth transmission module is installed on a wherein leg of spectacles; Described ear pressure signal sensor is a pair, and this Liang Ge ear pressure signal sensor is installed on the rear end of two legs of spectacles respectively.
Described glasses are also equipped with supply module, for being described sensor group and described Bluetooth transmission module for power supply.
Described supply module comprises chargeable battery, battery charge control circuit, mu balanced circuit and USB interface; USB interface is connected with the input of battery charge control circuit, the output of battery charge control circuit is connected to the positive pole of chargeable battery, the input of mu balanced circuit is connected to the positive pole of chargeable battery, and the output of mu balanced circuit forms feeder ear, for being described sensor group and described Bluetooth transmission module for power supply.
The model of the Master control chip of described Bluetooth transmission module is BC358239A, data that this Master control chip is received by the external wireless transmit of Bluetooth antenna or externally transmit received data by the USB pin connection data line of this Master control chip.
One end of described connecting band is connected to the rear end of a wherein leg of spectacles, and the other end of described connecting band is connected to the rear end of another leg of spectacles, and described head brain electric transducer is connected on described connecting band.
Described connecting band is for having elastic elastic cord.
Described glasses are for there being frame glasses.
The fatigue driving physiological signal collection glasses of a kind of Bluetooth transmission of the present invention, when driver uses, convenient as worn sunglasses or approximate glasses.After wearing, head brain electric transducer only need be pulled to its brain centerline (with driver's comfortable wearing by connecting band by driver, and can detect that brain wave frequency is as the criterion), head brain electric transducer can be utilized to detect its brain wave frequency, utilize a pair bridge of the nose myoelectric sensor to detect its eyes number of times that blinks, and utilize two ear's pressure signal sensors to detect its yawning number of times.
Compared with prior art, the invention has the beneficial effects as follows,
1, on the glasses of prior art, bridge of the nose myoelectric sensor is installed due to direct, head brain electric transducer etc., the feature relieving fatigue making the present invention that glasses not only can be utilized conveniently to wear drives physiological signal collection instrument (i.e. bridge of the nose myoelectric sensor, head brain electric transducer etc.) location and wear problem, and bridge of the nose myoelectric sensor and head brain electric transducer can be utilized to detect the fatigue driving physiological signal of driver, it is compared with the mode of traditional detection brain wave with face-image/pictorial information collection, there is data volume little, directly, comprehensively, complicated processing process is not needed to transmit, the transmission requirement of 2G/3G network G PRS data or voice-grade channel can be met completely, the features such as individual privacy can not be exposed, can help about administration section is accurate and the timely fatigue driving degree judging driver, play a great role for reducing vehicle accident,
2, because glasses are also equipped with ear's pressure signal sensor, make the present invention can using ear's pressure signal sensor as auxiliary physiological signal collection instrument, in conjunction with the data that bridge of the nose myoelectric sensor and head brain electric transducer detect, help about administration section's accurate analysis and the fatigue driving information grasping driver, thus help relevant administration section to carry out driving guiding to driver sooner, more accurately, more in time, thus reduce the generation of vehicle accident further;
3, it adopts Bluetooth transmission module to launch the data that above-mentioned bridge of the nose myoelectric sensor, head brain electric transducer etc. detect, and has and avoids connection data line, the feature such as easy to operate.
4, because the Master control chip of its Bluetooth transmission module adopts BC358239A chip, the present invention is made to have the function of bluetooth, USB dual-transfer mode, namely, the present invention can pass through the external wireless transmission data of Bluetooth antenna, also externally data can be transmitted by the USB pin connection data line of BC358239A chip, therefore, the present invention provides two kinds of data transfer modes for user, makes user can select suitable data transfer mode according to self needing.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But the fatigue driving physiological signal collection glasses of a kind of Bluetooth transmission of the present invention are not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the circuit diagram (having two data input pins) of Bluetooth transmission module of the present invention and supply module;
Fig. 3 is another circuit diagram (having four data input pins) of Bluetooth transmission module of the present invention and supply module.
Detailed description of the invention
Embodiment, shown in Figure 1, the fatigue driving physiological signal collection glasses of a kind of Bluetooth transmission of the present invention, these glasses are equipped with:
Sensor group, for the physiological data of Real-time Collection driver, this sensor group comprises a pair bridge of the nose myoelectric sensor 5, and the eyes for detecting driver blink number of times; And a head brain electric transducer 6, for detecting the brain wave frequency of driver;
A Bluetooth transmission module 8, for externally transmitting data;
A supply module 7;
Wherein, the output of a pair bridge of the nose myoelectric sensor 5 and head brain electric transducer 6 is connected to the input of Bluetooth transmission module 8 respectively, and supply module 7 is powered for bridge of the nose myoelectric sensor 5, head brain electric transducer 6 and Bluetooth transmission module 8.
Preferred as one, the sensor group also comprises a pair ear's pressure signal sensor 10, for detecting the yawning number of times of driver; The output of this pair ear's pressure signal sensor 10 is connected to the input of above-mentioned Bluetooth transmission module 8 respectively, and this pair ear's pressure signal sensor 10 is powered by above-mentioned supply module 7.
Specifically, above-mentioned glasses comprise two lenses, 1, two nose supports, 2, two legs of spectacles 3 and picture frame 4, here, picture frame 4 can be half frame, also can be full frame, two lenses are embedded in the left and right sides of picture frame respectively, and two nose supports 2 are installed on the picture frame 4 of the opposing inner end of corresponding two lenses 1 respectively, and two legs of spectacles 3 are connected on the picture frame 4 of the external opposite ends of corresponding two lenses 1.Above-mentioned a pair bridge of the nose myoelectric sensor 5 has two electrodes, these two electrodes are installed on two nose supports 2 respectively, head brain electric transducer 6 adopts connecting band 9 to be connected between two legs of spectacles 3, Liang Ge ear pressure signal sensor 10 is installed on the rear end of two legs of spectacles respectively, Bluetooth transmission module 8 is installed on the front end of a wherein leg of spectacles, supply module 7 is installed on the front end (certainly, this Bluetooth transmission module 8 and supply module 7 also can be arranged on same leg of spectacles) of another leg of spectacles.Electrical connecting wires between each sensor above-mentioned and Bluetooth transmission module 8 and supply module 7, and the electrical connecting wires concealed installation between Bluetooth transmission module 8 and supply module 7 is in the picture frame 4 of glasses, in temple 3 and in connecting band 9.
Specifically, one end of above-mentioned connecting band 9 is connected to the rear end of a wherein leg of spectacles, and the other end of connecting band 9 is connected to the rear end of another leg of spectacles, and above-mentioned head brain electric transducer 6 is connected to the stage casing of connecting band 9.Above-mentioned connecting band 9 is for having elastic elastic cord, and certainly, above-mentioned connecting band 9 also can be adjustable length and not have elastic belt body, and it is by regulating the cooperate degree of its one or both ends and leg of spectacles, or changes its length by increasing adjusting button.So, this connecting band 9 is facilitated to match with the head size of any one driver.
Preferred as one, shown in Figure 1, above-mentioned supply module 7 comprises chargeable battery 71, battery charge control circuit (being built in leg of spectacles), mu balanced circuit (being built in leg of spectacles) and USB interface 72.Shown in Figure 2, the USB interface 72 in USB interface J3 and Fig. 1, the chargeable battery 71 in chargeable battery CON1 and Fig. 1; Battery charge control circuit is that the chip U2 of VA7205DF and peripheral circuit thereof form by chip model, and mu balanced circuit is that the chip U3 of RT913-18CB and peripheral circuit thereof form by chip model; Bluetooth transmission module 8 is that Master control chip U1, the Bluetooth antenna T1 of BC358239A and peripheral circuit thereof form by chip model; Chargeable battery CON1 is charged by battery charge control circuit and USB interface J3, the positive pole of this chargeable battery CON1 export VBATT after mu balanced circuit voltage stabilizing process, export voltage stabilizing after power supply, exported by the supplying power for outside end IV8 of mu balanced circuit, for powering for each sensor of Bluetooth transmission module 8 and the sensor group.The output of above-mentioned bridge of the nose myoelectric sensor 5 and head brain electric transducer 6 is held from the data input pin IN1 of Bluetooth transmission module 8 respectively and IN2 holds the MIC pin being input to Master control chip U1, Bluetooth antenna T1 wireless transmit from Bluetooth transmission module 8 after Master control chip U1 process is gone out, or after making USB pin L8, L9 foot of Master control chip U2 (namely in figure) the connection data line of Master control chip U1, outwards transmit from the USB pin of Master control chip U1.After L8, L9 foot connection data line of this Master control chip U1, this Bluetooth transmission module 9 is converted to USB transmission mode by blue teeth wireless emission mode.In fig. 2, two data input pins of Bluetooth transmission module 8 adopt both-end balanced input respectively, and its anti-interference is better.By suitably revising the data input of this Bluetooth transmission module 8, two data input pin can be made to be extended to plural data input pin, to make this Bluetooth transmission module, there is the data input pin connecting ear's pressure signal sensor output.As shown in Figure 3, Bluetooth transmission module 8 has four data input pin: IN1 ends, IN2 end, IN3 end, IN4 end in figure 3, and these four data input pins adopt single-ended unbalanced voltage condition.Here, this Bluetooth transmission module also can be made to have three data input pins, that is, make one of them data input pin of this Bluetooth transmission module adopt both-end balanced input, make all the other two data input pins of this Bluetooth transmission module adopt single-ended unbalanced voltage condition.
The fatigue driving physiological signal collection glasses of a kind of Bluetooth transmission of the present invention, when needing charging, making its USB interface 72 connect USB data line can charge to the chargeable battery 71 of its supply module.When using of the present invention, driver is convenient as worn sunglasses or approximate glasses, neither have the problem of the driver head's location difficulty adopted existing for facial image information collection, also can not useful medical detection brain wave time, driver's head needs the fastening headgear wearing similar bathing cap cause the uncomfortable problem of people's long periods of wear.After wearing, head brain electric transducer 6 only need be pulled to its brain centerline by connecting band 9 by driver.In testing process, the number of times that blinks of a pair bridge of the nose myoelectric sensor, 5 pairs of driver's eyes detects constantly, the brain wave frequency of head brain electric transducer 6 couples of drivers detects constantly, ear's pressure signal sensor 10 pairs of yawning number of times of driver detect constantly, and the result of detection is exported to Bluetooth transmission module 8 by each sensor respectively constantly, its Bluetooth antenna T1 wireless transmit is passed through after treatment to the management system about administration section by Bluetooth transmission module 8, or after making the USB pin connection data line of Master control chip U1, be USB transmission mode by Bluetooth transmission patten transformation, the management system about administration section is outwards transferred to from the USB pin of Master control chip U1, help relevant administration section accurately and judge whether driver is in fatigue driving state in time.When the eyes of the driver number of times that blinks is equal to or greater than 22.6 times/40 seconds, and the brain wave frequency of driver lower than 8Hz time, can judge that driver enters fatigue driving state.About administration section is according to the data of determination and analysis, the modes such as voice reminder can be adopted the driver entering fatigue driving state to carry out the prompting intervention to driver, or remote intervention control is carried out to vehicle, greatly reduce the generation of vehicle accident with this.
Above-described embodiment is only used for further illustrating the fatigue driving physiological signal collection glasses of a kind of Bluetooth transmission of the present invention; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection domain of technical solution of the present invention.
Claims (10)
1. fatigue driving physiological signal collection glasses for Bluetooth transmission, is characterized in that: these glasses are equipped with:
Sensor group, for the physiological data of Real-time Collection driver, this sensor group comprises bridge of the nose myoelectric sensor, and the eyes for detecting driver blink number of times; Head brain electric transducer, for detecting the brain wave frequency of driver;
Bluetooth transmission module, for externally transmitting data;
Wherein, the output of bridge of the nose myoelectric sensor and head brain electric transducer is connected to the input of Bluetooth transmission module respectively, the data detected by bridge of the nose myoelectric sensor and head brain electric transducer is externally exported by Bluetooth transmission module.
2. the fatigue driving physiological signal collection glasses of Bluetooth transmission according to claim 1, is characterized in that: described sensor group also comprises ear's pressure signal sensor, for detecting the yawning number of times of driver; The output of this ear's pressure signal sensor is connected to the input of described Bluetooth transmission module, the data detected by this ear's pressure signal sensor is externally exported by described Bluetooth transmission module.
3. the fatigue driving physiological signal collection glasses of Bluetooth transmission according to claim 1, is characterized in that: described glasses comprise two lenses, be positioned at two nose supports of the opposing inner end of two lenses and be positioned at two legs of spectacles of external opposite ends of two lenses; Described bridge of the nose myoelectric sensor is a pair, there are two electrodes, two electrodes of this pair bridge of the nose myoelectric sensor are installed on two nose supports respectively, and described head brain electric transducer adopts connecting band to be connected between two legs of spectacles, and described Bluetooth transmission module is installed on a wherein leg of spectacles.
4. the fatigue driving physiological signal collection glasses of Bluetooth transmission according to claim 2, is characterized in that: described glasses comprise two lenses, be positioned at two nose supports of the opposing inner end of two lenses and be positioned at two legs of spectacles of external opposite ends of two lenses; Described bridge of the nose myoelectric sensor is a pair, there are two electrodes, two electrodes of this pair bridge of the nose myoelectric sensor are installed on two nose supports respectively, and described head brain electric transducer adopts connecting band to be connected between two legs of spectacles, and described Bluetooth transmission module is installed on a wherein leg of spectacles; Described ear pressure signal sensor is a pair, and this Liang Ge ear pressure signal sensor is installed on the rear end of two legs of spectacles respectively.
5. the fatigue driving physiological signal collection glasses of the Bluetooth transmission according to any one of claim 1-4, is characterized in that: described glasses are also equipped with supply module, for being described sensor group and described Bluetooth transmission module for power supply.
6. the fatigue driving physiological signal collection glasses of Bluetooth transmission according to claim 5, is characterized in that: described supply module comprises chargeable battery, battery charge control circuit, mu balanced circuit and USB interface; USB interface is connected with the input of battery charge control circuit, the output of battery charge control circuit is connected to the positive pole of chargeable battery, the input of mu balanced circuit is connected to the positive pole of chargeable battery, and the output of mu balanced circuit forms feeder ear, for being described sensor group and described Bluetooth transmission module for power supply.
7. the fatigue driving physiological signal collection glasses of the Bluetooth transmission according to any one of claim 1-4, it is characterized in that: the model of the Master control chip of described Bluetooth transmission module is BC358239A, data that this Master control chip is received by the external wireless transmit of Bluetooth antenna or externally transmit received data by the USB pin connection data line of this Master control chip.
8. the fatigue driving physiological signal collection glasses of the Bluetooth transmission according to claim 3 or 4, it is characterized in that: one end of described connecting band is connected to the rear end of a wherein leg of spectacles, the other end of described connecting band is connected to the rear end of another leg of spectacles, and described head brain electric transducer is connected on described connecting band.
9. the fatigue driving physiological signal collection glasses of the Bluetooth transmission according to claim 3 or 4, is characterized in that: described connecting band is for having elastic elastic cord.
10. the fatigue driving physiological signal collection glasses of Bluetooth transmission according to claim 1, is characterized in that: described glasses are for there being frame glasses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210318886.5A CN102835964B (en) | 2012-08-31 | 2012-08-31 | Glasses for acquiring fatigue driving physiological signal transmitted via Bluetooth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210318886.5A CN102835964B (en) | 2012-08-31 | 2012-08-31 | Glasses for acquiring fatigue driving physiological signal transmitted via Bluetooth |
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| CN102835964A CN102835964A (en) | 2012-12-26 |
| CN102835964B true CN102835964B (en) | 2015-03-25 |
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| CN201210318886.5A Expired - Fee Related CN102835964B (en) | 2012-08-31 | 2012-08-31 | Glasses for acquiring fatigue driving physiological signal transmitted via Bluetooth |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680066A (en) * | 2013-11-15 | 2014-03-26 | 东莞龙昌数码科技有限公司 | Eye-frame type fatigue detection feedback device |
| CN103948394A (en) * | 2014-04-04 | 2014-07-30 | 驻马店市金格尔电气设备有限公司 | Fatigue driving detecting system and fatigue relief device |
| CN104146722B (en) * | 2014-08-18 | 2017-02-15 | 吉林大学 | Driving fatigue detecting and grading early warning method based on head signals |
| CN104305964B (en) * | 2014-11-11 | 2016-05-04 | 东南大学 | Wear-type fatigue detection device and method |
| CN105167785A (en) * | 2015-07-31 | 2015-12-23 | 深圳市前海安测信息技术有限公司 | Fatigue monitoring and early warning system and method based on digital helmet |
| CN105212924A (en) * | 2015-10-10 | 2016-01-06 | 安徽尚舟电子科技有限公司 | A kind of based on brain wave method for detecting fatigue driving and device thereof |
| CN106108898B (en) * | 2016-07-20 | 2019-02-19 | 南京智松电子科技有限公司 | A kind of method and detection system detecting eyes muscular fatigue |
| CN106569607A (en) * | 2016-11-08 | 2017-04-19 | 上海交通大学 | Head action identifying system based on myoelectricity and motion sensor |
| CN106792466B (en) * | 2016-12-26 | 2020-10-09 | 歌尔科技有限公司 | Method for communication between equipment end and host end |
| CN106821359A (en) * | 2016-12-31 | 2017-06-13 | 深圳市达实智控科技股份有限公司 | A kind of biological parameter feedback control system and its application |
| CN112114655A (en) * | 2019-06-19 | 2020-12-22 | 华东师范大学 | Barrier-free man-machine interaction system and interaction method based on sensor fusion |
| CN114209328A (en) * | 2021-12-30 | 2022-03-22 | 宏谷信息科技（珠海）有限公司 | Acousto-optic combined intervention device based on brain wave monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5617868A (en) * | 1994-11-22 | 1997-04-08 | Colin Corporation | Pulse wave detecting apparatus |
| US5585871A (en) * | 1995-05-26 | 1996-12-17 | Linden; Harry | Multi-function display apparatus |
| US6431705B1 (en) * | 1999-11-10 | 2002-08-13 | Infoeye | Eyewear heart rate monitor |
| CN101281300A (en) * | 2008-05-19 | 2008-10-08 | 国立阳明大学 | Glasses type system and method for preventing drowsiness |
| CN201316270Y (en) * | 2008-12-18 | 2009-09-30 | 四川川大智胜软件股份有限公司 | Fatigue testing sensor and device based on facial skin expansion |
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