CN203520574U - Fatigue-driving early-warning system - Google Patents
Fatigue-driving early-warning system Download PDFInfo
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- CN203520574U CN203520574U CN201320627273.XU CN201320627273U CN203520574U CN 203520574 U CN203520574 U CN 203520574U CN 201320627273 U CN201320627273 U CN 201320627273U CN 203520574 U CN203520574 U CN 203520574U
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- fatigue
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Abstract
The utility model discloses a fatigue-driving early-warning system which includes a sensor, a signal processing unit and an early-warning prompt system, wherein the sensor is pasted at an eye corner of a driver and connected with the signal processing unit and used for generating deformation and generating electrical signals according to actions of the eye; the signal processing unit is connected with the early-warning prompt system and used for processing the electrical signals generated by the sensor and sending the processed data to the early-warning prompt system; and the early-warning prompt system is used for triggering an alarm device of the early-warning prompt system to send a fatigue alarm according to the received data. The fatigue-driving early-warning system detects the fatigue state of the driver through adoption of a generator as the sensor and requires no external power-supplying device so that power consumption of the system is reduced greatly; all materials of the generator are flexible materials and small in size so that test elements are simple, light and comfortable for the driver to wear; and the fatigue state of the driver is judged through monitoring the eyelid blinking condition of the driver so that the system is easy to realize and high in reliability.
Description
Technical field
The utility model belongs to technical field of generators, especially a kind of driver fatigue monitor system.
Background technology
Fatigue is a kind of overloading or time expand mental or physiological phenomenon that manual labor causes, and fatigue shows that energy do not concentrate, and the normal reaction of human body is simultaneously slowed down, and sympathetic activity weakens, and parasympathetic nerve strengthens.Driver tired driving is one of major reason causing pernicious traffic hazard.This has not only brought huge economic loss and serious somatic damage, and has also left wound to driver's body and mind.
For automobile driver, the research of fatigue driving early-warning device, the more directly appearance of preventing fatigue driving, finds driver early, avoids causing tragedy.For some special driver colonies, as pilot, fatigue driving early warning is even more important, because in the career field of flight and so on, very little carelessness just likely causes serious consequence, even threat to life.
In prior art, conventional solution has following several: the eye movement information that one, detects driver with eye movement instrument is to learn driving fatigue degree; Two, use image capture device to gather driver's facial information, then pass through judgement driver's eye movement and facial information identification driving fatigue degree; Three, detect heartbeat variation trend and utilize algorithm to carry out identification driving fatigue degree.The device structure using in the above-mentioned solution of prior art is complicated, and cost is expensive, and all needs to consume electric energy.
Utility model content
In order to address the above problem, the utility model proposes a kind of driver fatigue monitor system, this system utilizes flexible generator as sensor, to survey driver's fatigue state, to play fatigue driving early warning.
Driver fatigue monitor system provided by the utility model comprises: sensor 1, signal processing unit 2 and warning system 3, wherein: described sensor 1 is attached to driver's place, canthus, it is connected with described signal processing unit 2, for producing deformation according to the action of eyes, and then produce electric signal; Described signal processing unit 2 is connected with warning system 3 with described sensor 1, processes, and the data that obtain after processing are sent to described warning system 3 for the electric signal producing for described sensor 1; Described warning system 3 is connected with described signal processing unit 2, for carrying out fatigue warning according to its warning device of data-triggered receiving.
Wherein, described sensor 1 is self-driven flexible generator.
Wherein, described flexible generator comprises from bottom to up successively: nanowire growth substrate 11, lower electrode 12, nano wire protective seam 13, nano wire 14, upper electrode 15, Global Macros layer 16.
Wherein, described nanowire growth substrate 11 is fexible film.
Wherein, described fexible film is PDMS film, PMMA film or PET film.
Wherein, described fexible film has electric conductivity.
Wherein, described nano wire 14 is for having the nanometer filamentary material of piezoelectric effect.
Wherein, described nano wire protective seam 13 and Global Macros layer 16 are flexible colloidal material and solidify and to form.
Wherein, described warning device is illuminator and/or hummer.
The beneficial effect that driver fatigue monitor system provided by the utility model has is: on the one hand, described driver fatigue monitor system adopts generator as sensor, to survey driver's fatigue state, without extraneous power supply device, thereby make described driver fatigue monitor system simple light and energy-conservation; On the other hand, described generator adopts flexible material, and small-sized, thereby makes driver feel comparatively comfortable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the driver fatigue monitor system that provides of the utility model.
Fig. 2 is the structural representation of flexible generator in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
The structural representation of the driver fatigue monitor system that Fig. 1 provides for the utility model, as shown in Figure 1, described driver fatigue monitor system mainly comprises three parts: sensor 1, signal processing unit 2 and warning system 3, wherein:
Described sensor 1 is attached to driver's place, canthus, and it is connected with described signal processing unit 2, for producing deformation according to the action of eyes, and then produces electric signal;
In the utility model one embodiment, described sensor 1 is self-driven flexible generator, eyes action whenever driver, in the time of in the process in opening and closing, flexible generator produces deformation, produces the voltage and current exchanging, in two processes that the magnitude of voltage producing and current value are opened and closed at eyes, one be on the occasion of, another is negative value;
Described signal processing unit 2 is connected with warning system 3 with described sensor 1, processes, and the data that obtain after processing are sent to described warning system 3 for the electric signal producing for described sensor 1;
In the utility model one embodiment, described in be treated to and analyze voltage that flexible generator produces or the time cycle of electric current;
Described warning system 3 is connected with described signal processing unit 2, for carrying out fatigue warning according to its warning device of data-triggered receiving;
In the utility model one embodiment, when detecting the time that process that eyes close experiences, described warning system 3 surpasses critical value, or eyes closed state duration, while surpassing critical value, reminds driver to enter fatigue driving state by illuminator and/or hummer.
While utilizing described driver fatigue monitor system to carry out capable of giving fatigue pre-warning, sensor 1 is attached to driver's place, canthus, eyes action whenever driver, in the time of in the process in opening and closing, sensor produces deformation, thereby produces the voltage and current exchanging, and in the magnitude of voltage producing and current value two processes opening and close at eyes, one be on the occasion of, another is negative value.
The voltage and current that described sensor 1 is produced is transferred to signal processing unit 2 with the time cycle of analytical voltage or electric current.
The data that described signal processing unit 2 obtains after processing send to described warning system 3, when detecting the time that process that eyes close experiences, described warning system 3 surpasses critical value, or eyes closed state duration, while surpassing critical value, reminds driver to enter fatigue driving state by luminous and/or buzzing.
Fig. 2 is the structural representation of flexible generator in the utility model.As shown in Figure 2, described flexible generator comprises from bottom to up successively: nanowire growth substrate 11, lower electrode 12, nano wire protective seam 13, nano wire 14, upper electrode 15, Global Macros layer 16.
In the utility model one embodiment, described nanowire growth substrate 11 is fexible film, further, described fexible film is PDMS film, PMMA film or PET film etc., and better flexible, feel that with skin contact comfortable film is good, in addition, described fexible film can be for having the film of electric conductivity, as Al paper tinsel, goldleaf etc., if described fexible film has electric conductivity, described lower electrode can save.
In the utility model one embodiment, described nano wire 14 is for having the nanometer filamentary material of piezoelectric effect, and such as ZnO nano-wire, ZnS nano wire, GaN nano wire etc., preferably, described nanometer wire material vertical array growth and polar orientation are identical.
In the utility model one embodiment, described upper electrode 12, lower electrode 15 be made of metal, as Au, Ag, Cu, Al etc.
In the utility model one embodiment, described nano wire protective seam 13 and Global Macros layer 16 are flexible colloidal material and solidify and to form, as PMMA, SU-8, PDMS etc.
During described flexible generator work, described flexible generator is affixed on to place, driver canthus, when eyes are when opening state, flexible generator does not have deformation; In the closing course of eyes, flexible generator is compressed strain, and nano wire produces electric potential difference after being compressed strain at flexible generator two ends, thus generation current; In the process of opening at eyes, flexible generator recovers virgin state, and flexible generator two ends electric potential difference disappears, thereby produces inverse current.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a driver fatigue monitor system, is characterized in that, this system comprises: sensor (1), signal processing unit (2) and warning system (3), wherein:
Described sensor (1) is attached to driver's place, canthus, and it is connected with described signal processing unit (2), for producing deformation according to the action of eyes, and then produces electric signal;
Described signal processing unit (2) is connected with warning system (3) with described sensor (1), processes, and the data that obtain after processing are sent to described warning system (3) for the electric signal producing for described sensor (1);
Described warning system (3) is connected with described signal processing unit (2), for carrying out fatigue warning according to its warning device of data-triggered receiving.
2. system according to claim 1, is characterized in that, described sensor (1) is self-driven flexible generator.
3. system according to claim 2, is characterized in that, described flexible generator comprises from bottom to up successively: nanowire growth substrate (11); lower electrode (12), nano wire protective seam (13), nano wire (14); upper electrode (15), Global Macros layer (16).
4. system according to claim 3, is characterized in that, described nanowire growth substrate (11) is fexible film.
5. system according to claim 4, is characterized in that, described fexible film is PDMS film, PMMA film or PET film.
6. system according to claim 4, is characterized in that, described fexible film has electric conductivity.
7. system according to claim 3, is characterized in that, described nano wire (14) is for having the nanometer filamentary material of piezoelectric effect.
8. system according to claim 3, is characterized in that, described upper electrode (12), lower electrode (15) are made of metal.
9. system according to claim 3, is characterized in that, described nano wire protective seam (13) and Global Macros layer (16) are flexible colloidal material and solidify and to form.
10. system according to claim 1, is characterized in that, described warning device is illuminator and/or hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320627273.XU CN203520574U (en) | 2013-10-11 | 2013-10-11 | Fatigue-driving early-warning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320627273.XU CN203520574U (en) | 2013-10-11 | 2013-10-11 | Fatigue-driving early-warning system |
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| CN203520574U true CN203520574U (en) | 2014-04-02 |
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| CN201320627273.XU Expired - Lifetime CN203520574U (en) | 2013-10-11 | 2013-10-11 | Fatigue-driving early-warning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377266A (en) * | 2016-10-21 | 2017-02-08 | 浙江大学 | Fatigue monitoring device based on eye recognition |
| CN106611481A (en) * | 2016-11-02 | 2017-05-03 | 纳智源科技（唐山）有限责任公司 | Fatigue driving monitoring device and wearable equipment |
-
2013
- 2013-10-11 CN CN201320627273.XU patent/CN203520574U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377266A (en) * | 2016-10-21 | 2017-02-08 | 浙江大学 | Fatigue monitoring device based on eye recognition |
| CN106611481A (en) * | 2016-11-02 | 2017-05-03 | 纳智源科技（唐山）有限责任公司 | Fatigue driving monitoring device and wearable equipment |
| CN106611481B (en) * | 2016-11-02 | 2018-12-25 | 纳智源科技（唐山）有限责任公司 | Fatigue driving monitoring apparatus and wearable device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING INSTITUTE OF NANOENERGY AND NANOSYSTEMS Free format text: FORMER OWNER: STATE NANOMETER SCIENCE CENTER Effective date: 20150128 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100190 HAIDIAN, BEIJING TO: 100083 HAIDIAN, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150128 Address after: 100083 Haidian District, Xueyuan Road, No. 30, building C, block Patentee after: Beijing Institute of Nanoenergy and Nanosystems Address before: 100190 Beijing, Zhongguancun, north of a No. 11, No. Patentee before: NATIONAL CENTER FOR NANOSCIENCE AND TECHNOLOGY |
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| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |