CN102881117A - Watch capable of detecting fatigue of driver - Google Patents
Watch capable of detecting fatigue of driver Download PDFInfo
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- CN102881117A CN102881117A CN201210201143XA CN201210201143A CN102881117A CN 102881117 A CN102881117 A CN 102881117A CN 201210201143X A CN201210201143X A CN 201210201143XA CN 201210201143 A CN201210201143 A CN 201210201143A CN 102881117 A CN102881117 A CN 102881117A
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Abstract
The invention discloses a watch capable of detecting the fatigue of a driver, which aims to solve the technical problems of complicated equipment, deficiency of active vehicle control measures and the like existing in the prior art, has a simple structure, is convenient to use and can give an alarm for the fatigue and correspondingly control a vehicle. The watch comprises a watch shell, a liquid crystal display screen, a pulse sensor, a pulse signal processing circuit, a clock module, a wireless transmission module, a first microprocessor, a wireless receiving module and a second microprocessor.
Description
Technical field
The present invention relates to a kind of driver fatigue detection technique, relate in particular to a kind of watch style pick-up unit for driver fatigue state is detected.
Background technology
Driving fatigue refers to the driver after the long-time continuous driving, the imbalance that produces physiological function and mental function, and in the phenomenon that driving efficiency decline objectively occurs.Driver's poor sleeping quality or deficiency, the long-duration driving vehicle occurs tired easily.Driving fatigue can have influence on driver's the aspects such as attention, sensation, consciousness, thinking, judgement, will, decision and motion.Continue steering vehicle after tired, can feel sleepy drowsiness, weakness of limbs, absent minded, judgement descends, even occurs absent-minded or moment memory disappearance, occur that action is delayed or too early, road traffic accident very easily occurs in the unsafe factor such as operation pauses or the correction time is improper.
In the prior art, mainly concentrate on face-image identification for the detection technique of driver fatigue state, namely come the closed frequency, expression etc. of identification of driver eyes to judge whether the driver is tired by the several cameras that are installed in vehicle interior.The reasons such as such technology is complicated owing to equipment, use is inconvenient, it is not high to install and use popularity rate, and only carry out sound prompting when detecting the driver and being in fatigue state, do not have vehicle control measure initiatively, this sound prompting effect often produces little effect when the driver enters fatigue state.
Open day is on 06 01st, 2011, publication number is that the Chinese patent of CN102081832A discloses such technical scheme: a kind of fatigue driving alarming is by an excusing from death wave transmitting circuit, an excusing from death ripple is accepted circuit, a warning and delaying circuit forms, its working method is, put fatigue driving alarming on driver's inferoanterior position, it is facial that ultrasound wave emitting head and acceptance head are aimed at the driver, when the driver is in normal condition, the ultrasound wave emission is less than driver's face, thereby do not report to the police, when the driver because of tired face when low forward, ultrasound wave acceptance head receives from driver's face and returns the ultrasound wave of penetrating, after operational amplifier amplifies, make the triode conducting and to capacitor charging, Sheffer stroke gate counter-rotating when capacitance voltage is charged to 2/3 supply voltage, the source hummer namely can send chimes of doom, comes reminding driver with this.The weak point of this scheme is: not necessarily bow one's head when the driver presents fatigue state or the attitude of sleeping, failing to judge just appears in this moment, can not play timely reminding effect, and does not possess equally vehicle control measure initiatively.
Summary of the invention
The present invention solves the technical matterss such as vehicle control measure that the existing equipment of prior art is complicated, lack active, a kind of wrist-watch with the driver fatigue detection is provided, it is simple in structure, easy to use, can either carry out tired alarm and can carry out again corresponding vehicle control.
The present invention is directed to the prior art problem and mainly solved by following technical proposals, a kind of wrist-watch with the driver fatigue detection comprises watch shell, and LCDs also comprises:
Whether pulse transducer for detection of driver's physiology pulse signal, is in fatigue state in order to judge the driver;
The pulse signal treatment circuit, be used for driver's physiology pulse signal amplify, filtering and Shape correction;
Clock module is used for realizing time clock feature;
Wireless sending module is used for transmitting control signal;
First microprocessor, be used for to the output signal of pulse signal treatment circuit process, clock module control and wireless sending module control, pulse signal treatment circuit, clock module, wireless sending module, first microprocessor are installed in the described watch shell;
Wireless receiving module is installed onboard, receives the control signal that wireless sending module sends;
The second microprocessor is installed onboard, processes the control signal that wireless receiving module receives and also connects communication bus on the car, and slow down control, Parking control, two flashing light is opened and controlled to vehicle.
This technical scheme has increased driver's fatigue state measuring ability when keeping watch function, and the fatigue state signal is sent to the vehicle communication bus with wireless mode.Wherein, pulse transducer detects pulse signal, amplify, behind the filter shape, calculate pulse rate by first microprocessor through the pulse signal processing circuit, through with reference value after judge whether the driver is in fatigue state and fatigue state degree.When the driver is in fatigue state, by wireless sending module steering order is sent to wireless receiving module, after the second microprocessor processes, send to the vehicle communication bus, notice acoustics unit play cuing voice, the notice engine controller reduces accelerator open degree and reduces the speed of a motor vehicle, the two external alarms of flashing light of notice car body controller unlatching, when the driver is in serious fatigue state, make vehicle enter the Parking state.
LCDs displaying time or pulse rate.
As preferably, this scheme also comprises self-learning module, and self-learning module is installed in the first microprocessor, is used for the pulse rate of statistical study driver under abnormal driving state.At first enter self-learning module after system starts, obtain the stable pulse rate of driver by statistics, and to define this pulse rate be the normal pulse number of times, with this normal pulse number of times as the reference value that judges whether to be in fatigue state.
As preferably, first microprocessor is provided with function button, and function button is used for that function is switched, clock setting.Utilize function button to carry out conversion, clock setting between time clock feature, fatigue detecting function etc.Be under the fatigue detecting functional status, LCDs shows pulse rate.As preferably, first microprocessor also connects a hummer.When judging that the driver is in fatigue state, buzzer call.
As preferably, communication bus is the CAN bus on the car.Be to increase adaptability, the second microprocessor is provided with the CAN bus interface, is that the CAN bus is connected by communication bus on CAN bus interface and the car.
As preferably, be connected with acoustics unit, car body controller, engine controller, parking controller in the CAN bus.The second microprocessor is by CAN bus notice acoustics unit play cuing voice; Notice car body controller, engine controller are opened two flashing lights, are reduced the speed of a motor vehicle, and the notice parking controller carries out Parking control.
As preferably, acoustics unit is provided with speech memory, deposits the prompt tone file of recording in this speech memory, plays when fatigue appears in the driver.
As preferably, pulse transducer is the wrist pulse transducer.Wrist pulse transducer product is arranged on the watchband.
As preferably, wireless sending module, wireless receiving module adopt the 2.4GHz frequency of operation.2.4GHz frequency range is a global frequency range, product has the advantages such as global general-use, message transmission rate is high, antenna volume is little, small product size is little.
The beneficial effect that the present invention brings is, pass through self-learning module, normal pulse to the driver carries out statistical study, relatively the driver under abnormal driving state with fatigue driving state under the variation of pulse, judge according to this whether the driver is tired, when system judges that the driver belongs to fatigue driving, control buzzer call, open the two flashing lights warnings of vehicle, reduce the speed of a motor vehicle, open sound equipment playing alert tones etc., make the driver in time improve spirit, safe driving, when the driver is in serious fatigue state, automatically controls vehicle and enter the Parking state; And simple in structure, very easy to use.
Description of drawings
Fig. 1 is a kind of schematic block circuit diagram of wrist-watch of the present invention section;
Fig. 2 is a kind of network structure block diagram of the present invention;
Fig. 3 is a kind of flow chart of data processing figure of the present invention.
Among the figure: the 1st, wrist pulse transducer, the 2nd, pulse signal treatment circuit, the 3rd, signal amplifier, the 4th, active filter, the 5th, voltage shaping circuit, the 6th, first microprocessor, the 7th, self-learning module, the 8th, clock module, the 9th, wireless transmitter module, the 10th, function button, the 11st, LCDs, the 12nd, hummer, the 13rd, engine controller, the 14th, car body controller, the 15th, CAN bus, 16 is second microprocessors, the 17th, CAN bus interface, the 18th, wireless receiving module, the 19th, acoustics unit, the 20th, speech memory, the 21st, parking controller.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described in detail.
Embodiment: as shown in Figure 1 and Figure 2, the present invention is a kind of wrist-watch with the driver fatigue detection, comprises watch shell, LCDs;
The signal output part of wrist pulse transducer 1 connects pulse signal treatment circuit 2, pulse signal treatment circuit 2 comprises signal amplifier 3, active filter 4, voltage shaping circuit 5, pulse signal is after signal amplifier 3 amplifies, in active filter 4, carry out filtering, remove the interference such as noise, harmonic wave, after voltage shaping circuit 5 is processed, send into first microprocessor 6 afterwards and carry out pulse counting; Self-learning module 7 is stored in the first microprocessor 6, statistics, calculates the stable pulse rate of driver, and to define this pulse rate be the normal pulse number of times, with this normal pulse number of times as the reference value that judges whether to be in fatigue state; Clock module 8 provides real-time time, date isochronon function; Wireless sending module 9 adopts the ISM/SRD frequency range of 2.4GHz, exempts from licence and uses; Function button 10 comprises that fatigue detecting and time clock feature switch key, set of time key, date arrange key etc., when switching to time clock feature, closes the fatigue detecting function; First microprocessor 6 carries out pulse counting, pulse data is processed, and steering order is sent by wireless sending module 9, finishes simultaneously corresponding function control; The mounting means of LCDs 11 is identical with general wristwatch, display pulse number of times when being in the fatigue detecting state, pulse signal treatment circuit 2, signal amplifier 3, active filter 4, voltage shaping circuit 5, first microprocessor 6, clock module 8, wireless transmitter module 9, hummer 12, working battery are installed in the watch shell, function button is arranged on the watch shell side, wrist pulse transducer 1 is fixed on the watchband inboard, fastens watchband when wearing and can measure pulse.
Fig. 3 is described to be flow chart of data processing figure, among the figure:
According to medical statistics, normal human's pulse is: 60～100 beats/mins of adult males, 70～90 beats/mins of adult females.For the people of different sexes and all ages and classes, its pulse is all different, therefore can not simply realize tired definition by an interval.Because most people's pulse concentrates on 60 ~ 80 times/per minute, normal pulse is lower than 40 times/per minute, and perhaps being higher than 100 times/per minute majority has cardiac problems, all be not suitable for steering vehicle, so we only considers in 40 ~ 100 underranges.
Step 105, hummer 12 pipes, and acoustics unit 19 play cuing voice, engine controller 13 reduce accelerator open degree and reduce the speed of a motor vehicle, the two external alarms of flashing light of car body controller 14 unlatchings;
So the present invention has the self-learning module of passing through, normal pulse to the driver carries out statistical study, relatively the driver under abnormal driving state with fatigue driving state under the variation of pulse, judge according to this whether the driver is tired, when system judges that the driver belongs to fatigue driving, control buzzer call, open the sound equipment playing alert tones, open the two flashing lights warnings of vehicle, reduce the speed of a motor vehicle etc., make the driver in time improve spirit, safe driving, when the driver is in serious fatigue state, automatically controls vehicle and enter the Parking state; And the feature such as simple in structure, very easy to use.
Claims (9)
1. the wrist-watch with the driver fatigue detection comprises watch shell, and LCDs is characterized in that, also comprises:
Whether pulse transducer for detection of driver's physiology pulse signal, is in fatigue state in order to judge the driver;
The pulse signal treatment circuit, be used for driver's physiology pulse signal amplify, filtering and Shape correction;
Clock module is used for realizing time clock feature;
Wireless sending module is used for transmitting control signal;
First microprocessor, be used for to the output signal of pulse signal treatment circuit process, clock module control and wireless sending module control, pulse signal treatment circuit, clock module, wireless sending module and first microprocessor are installed in the described watch shell;
Wireless receiving module is installed onboard, receives the control signal that wireless sending module sends;
The second microprocessor is installed onboard, processes the control signal that wireless receiving module receives and also connects communication bus on the car, and slow down control, two flashing light is opened and controlled to vehicle.
2. described a kind of wrist-watch that detects with driver fatigue according to claim 1, it is characterized in that: also comprise self-learning module, described self-learning module is installed in the first microprocessor, is used for the pulse rate of statistical study driver under abnormal driving state.
3. described a kind of wrist-watch that detects with driver fatigue according to claim 1 and 2, it is characterized in that: described first microprocessor is provided with function button, and described function button is used for that function is switched, clock setting.
4. described a kind of wrist-watch that detects with driver fatigue according to claim 3, it is characterized in that: described first microprocessor also connects a hummer.
5. described a kind of wrist-watch that detects with driver fatigue according to claim 1, it is characterized in that: communication bus is the CAN bus on the described car.
6. described a kind of wrist-watch that detects with driver fatigue according to claim 5 is characterized in that: be connected with acoustics unit, car body controller, parking controller, engine controller in described CAN bus.
7. described a kind of wrist-watch that detects with driver fatigue according to claim 6, it is characterized in that: described acoustics unit is provided with speech memory.
8. described a kind of wrist-watch that detects with driver fatigue according to claim 1, it is characterized in that: described pulse transducer is the wrist pulse transducer.
9. described a kind of wrist-watch that detects with driver fatigue according to claim 1, it is characterized in that: described wireless sending module, wireless receiving module adopt the 2.4GHz frequency of operation.
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| CN201210201143.XA CN102881117B (en) | 2012-06-15 | 2012-06-15 | Watch capable of detecting fatigue of driver |
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| CN201210201143.XA CN102881117B (en) | 2012-06-15 | 2012-06-15 | Watch capable of detecting fatigue of driver |
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| CN102881117B CN102881117B (en) | 2014-11-12 |
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| CN104267811A (en) * | 2014-09-22 | 2015-01-07 | 联想(北京)有限公司 | Terminal device and method for controlling terminal device |
| CN104490374A (en) * | 2014-12-09 | 2015-04-08 | 财团法人车辆研究测试中心 | Judgment system and method for heart status of driver |
| CN104966382A (en) * | 2015-05-21 | 2015-10-07 | 浙江吉利汽车研究院有限公司 | Driver physiological status monitoring and responding system and method |
| CN105216739A (en) * | 2015-10-15 | 2016-01-06 | 上海理工大学 | Car belt |
| CN105286822A (en) * | 2015-09-18 | 2016-02-03 | 北京交通大学 | Intelligent equipment worn in rail transit train worker |
| US20160039424A1 (en) * | 2014-08-11 | 2016-02-11 | Lg Electronics Inc. | Wearable device and method of operating the same |
| CN105938392A (en) * | 2015-03-02 | 2016-09-14 | 三星电子株式会社 | Electronic device with wearable part and operation method thereof |
| TWI579804B (en) * | 2014-11-28 | 2017-04-21 | Driver sudden heart disease judgment system | |
| CN107198515A (en) * | 2017-06-28 | 2017-09-26 | 上海电力学院 | A kind of bracelet and system for monitoring indoor occupant fatigue strength |
| US9851705B2 (en) | 2014-06-30 | 2017-12-26 | Lenovo (Beijing) Co., Ltd. | Terminal apparatus and method for controlling terminal apparatus |
| 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 |
| CN108986410A (en) * | 2018-08-23 | 2018-12-11 | 舒茨曼座椅（宁波）有限公司 | A kind of the fatigue driving early warning and alleviation system of vehicle |
| CN109157219A (en) * | 2018-08-08 | 2019-01-08 | 成都工业学院 | Fatigue detecting processing system and fatigue detecting processing method |
| US10238335B2 (en) | 2016-02-18 | 2019-03-26 | Curaegis Technologies, Inc. | Alertness prediction system and method |
| CN109620197A (en) * | 2019-01-22 | 2019-04-16 | 江苏徐工信息技术股份有限公司 | A kind of fatigue driving warning system and method based on monitoring of pulse and self study |
| CN112687076A (en) * | 2020-12-15 | 2021-04-20 | 南通路远科技信息有限公司 | Method and device for preventing fatigue driving and bracelet |
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| US9851705B2 (en) | 2014-06-30 | 2017-12-26 | Lenovo (Beijing) Co., Ltd. | Terminal apparatus and method for controlling terminal apparatus |
| US9809228B2 (en) * | 2014-08-11 | 2017-11-07 | Lg Electronics Inc. | Wearable device and method of operating the same |
| US20160039424A1 (en) * | 2014-08-11 | 2016-02-11 | Lg Electronics Inc. | Wearable device and method of operating the same |
| 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 |
| 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 |
| 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 |
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| TWI579804B (en) * | 2014-11-28 | 2017-04-21 | Driver sudden heart disease judgment system | |
| CN104490374A (en) * | 2014-12-09 | 2015-04-08 | 财团法人车辆研究测试中心 | Judgment system and method for heart status of driver |
| CN105938392A (en) * | 2015-03-02 | 2016-09-14 | 三星电子株式会社 | Electronic device with wearable part and operation method thereof |
| CN105938392B (en) * | 2015-03-02 | 2020-11-03 | 三星电子株式会社 | Electronic device with wearable portion and method of operating the same |
| CN104966382A (en) * | 2015-05-21 | 2015-10-07 | 浙江吉利汽车研究院有限公司 | Driver physiological status monitoring and responding system and method |
| CN104966382B (en) * | 2015-05-21 | 2018-03-09 | 浙江吉利汽车研究院有限公司 | Physiological driver's condition monitoring and reply system and method |
| CN105286822A (en) * | 2015-09-18 | 2016-02-03 | 北京交通大学 | Intelligent equipment worn in rail transit train worker |
| CN105216739A (en) * | 2015-10-15 | 2016-01-06 | 上海理工大学 | Car belt |
| 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 |
| CN107198515A (en) * | 2017-06-28 | 2017-09-26 | 上海电力学院 | A kind of bracelet and system for monitoring indoor occupant fatigue strength |
| CN109157219A (en) * | 2018-08-08 | 2019-01-08 | 成都工业学院 | Fatigue detecting processing system and fatigue detecting processing method |
| CN108986410A (en) * | 2018-08-23 | 2018-12-11 | 舒茨曼座椅（宁波）有限公司 | A kind of the fatigue driving early warning and alleviation system of vehicle |
| CN109620197A (en) * | 2019-01-22 | 2019-04-16 | 江苏徐工信息技术股份有限公司 | A kind of fatigue driving warning system and method based on monitoring of pulse and self study |
| CN112687076A (en) * | 2020-12-15 | 2021-04-20 | 南通路远科技信息有限公司 | Method and device for preventing fatigue driving and bracelet |
| CN116943026A (en) * | 2023-06-05 | 2023-10-27 | 佳禾智能科技股份有限公司 | Implementation method of intelligent watch physiotherapy |
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