CN202995972U - Doze induction alarm system for preventing fatigue driving - Google Patents
Doze induction alarm system for preventing fatigue driving Download PDFInfo
- Publication number
- CN202995972U CN202995972U CN 201220621787 CN201220621787U CN202995972U CN 202995972 U CN202995972 U CN 202995972U CN 201220621787 CN201220621787 CN 201220621787 CN 201220621787 U CN201220621787 U CN 201220621787U CN 202995972 U CN202995972 U CN 202995972U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- fatigue driving
- circuit
- alarm system
- button cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The utility model discloses a doze induction alarm system for preventing fatigue driving, which comprises the following components: a single-chip microcomputer, a photoelectric detection circuit module which is used for detecting closing or opening of human eyes, an alarm circuit module and a power supply circuit. The photoelectric detection circuit module is connected with an input end of the single-chip microcomputer. The alarm circuit module is connected with the output end of the single-chip microcomputer. The photoelectric detection circuit module comprises an infrared LED with a peak wavelength of 1450nm, a silicon photocell, and a signal amplifying and adjusting circuit. The silicon photocell is connected with the signal amplifying and adjusting circuit. The power supply circuit comprises a button cell set and a voltage stabilizing circuit. The button cell set is composed of two CR2032 button cells. The single-chip microcomputer, the infrared LED, the signal amplifying and adjusting circuit, the button cell set and the voltage stabilizing circuit are respectively equipped on an eyeglass frame. The infrared LED and the silicon photocell are equipped in the eyeglass frame. The doze induction alarm system for preventing fatigue driving can effectively prevent fatigue driving of the driver, thereby preventing safety accident.
Description
Technical field
The utility model relates to a kind of warning system, particularly relates to a kind of sleepy induction alarm system that prevents fatigue driving.
Background technology
Fatigue driving is one of major reason that causes traffic hazard, bring serious economic asset loss and personnel casualty accidents to the mankind, therefore report to the police for automobilist, engine driver, special post worker and night work personnel's drowsiness and study, be subject to the great attention of various circles of society.Present similar research mainly concentrates on following two aspects: by monitoring the biological information of human body, as human body infrared spectrum, bioelectricity etc., acquisition driver's sleepy information, this type of scheme judgement is more stable and reliable for performance, and system complex, cost are too high, awkward defective but exist; The drowsiness level of action judgement driver by monitoring the driver, for example: utilize inclination starting switch monitoring user's the degree of bowing, when the driver dozes off low too low of labour contractor, the inclination starting switch starts, give the alarm, this type of simplicity of design, but False Rate is higher.According to statistics, next individual per minute of normal condition will be blinked more than ten times, the each nictation with 0.3～0.4S, every twice approximately 2.8～4S of suddenly being separated by.In the situation that sleepy drowsiness, frequency of wink can rise to some extent, and wink time can extend to 1S.This is so-called microsleep dormancy state.Work in this state, accident rate improves greatly.The driver can show a series of signs on mode of motion and biological information mode when sleepy, be exactly wherein the significant change of frequency of wink and wink time the most significantly.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of sleepy induction alarm system that prevents fatigue driving is provided.This prevents that the sleepy induction alarm system of fatigue driving from can effectively embody the driver and avoid fatigue driving, prevents that security incident from occuring, and its simplicity of design, the characteristics such as small and exquisite, reliable, practical, easy to use are convenient to promote the use of.
for achieving the above object, the technical solution adopted in the utility model is: a kind of sleepy induction alarm system that prevents fatigue driving, it is characterized in that: comprise single-chip microcomputer, be used for closed to human eye or open the photoelectric detective circuit module that detects, be provided with the warning circuit module of multiple warning the tinkle of bells and the power circuit that each power unit in system is powered, the input end of described photoelectric detective circuit module and single-chip microcomputer joins, the output terminal of described warning circuit module and single-chip microcomputer joins, described photoelectric detective circuit module comprises that peak wavelength is the infrared light LED of 1450nm, silicon photocell and signal amplify and Circuit tuning, described silicon photocell and signal amplify and Circuit tuning joins, described power circuit comprises button cell group and the voltage stabilizing circuit that joins with the button cell group, described button cell group is two CR2032 button cells, described single-chip microcomputer, infrared light LED, signal amplification and Circuit tuning, button cell group and the equal integrated installation of voltage stabilizing circuit are on the picture frame of glasses, and described infrared light LED and silicon photocell are installed in described picture frame.
Above-mentioned a kind of sleepy induction alarm system that prevents fatigue driving, it is characterized in that: described single-chip microcomputer is AVRmega8.
Above-mentioned a kind of sleepy induction alarm system that prevents fatigue driving, it is characterized in that: described silicon photocell is the 2CR21 silicon photocell.
Above-mentioned a kind of sleepy induction alarm system that prevents fatigue driving, it is characterized in that: described button cell group is the CR2032 button cell that two voltages are 3V.
Above-mentioned a kind of sleepy induction alarm system that prevents fatigue driving, it is characterized in that: the operating voltage of described single-chip microcomputer is 5V.
Above-mentioned a kind of sleepy induction alarm system that prevents fatigue driving, it is characterized in that: also comprise the LED light of joining with the single-chip microcomputer output terminal, described LED light is arranged on the side of described picture frame.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design: the utility model is take the common spectacles picture frame as skeleton.
2, safety does not damage health: it is the infrared light LED of 1450nm that the utility model adopts peak wavelength.
3, reliability is high: the utility model testing circuit module is selected silicon photocell.
4, energy-conservation: the button cell power supply that it is 3V that the utility model only adopts 2 voltages.
In sum, the utility model reliability is high, safety does not damage health, and can effectively embody the driver and avoid fatigue driving, prevents that security incident from occuring, and is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-single-chip microcomputer; 2-photoelectric detective circuit module; 2-1-infrared light LED;
2-2-silicon photocell; 2-3-signal amplifies and Circuit tuning; 3-warning circuit module;
4-power circuit; 4-1-button cell group; 4-2-voltage stabilizing circuit.
Embodiment
as shown in Figure 1 a kind of prevents the sleepy induction alarm system of fatigue driving, comprise single-chip microcomputer 1, be used for closed to human eye or open the photoelectric detective circuit module 2 that detects, be provided with the warning circuit module 3 of multiple warning the tinkle of bells and the power circuit 4 that each power unit in system is powered, the input end of described photoelectric detective circuit module 2 and single-chip microcomputer 1 joins, the output terminal of described warning circuit module 3 and single-chip microcomputer 1 joins, described photoelectric detective circuit module 2 comprises that peak wavelength is the infrared light LED2-1 of 1450nm, silicon photocell 2-2 and signal amplify and Circuit tuning 2-3, described silicon photocell 2-2 and signal amplify and Circuit tuning 2-3 joins, described power circuit 4 comprises button cell group 4-1 and the voltage stabilizing circuit 4-2 that joins with button cell group 4-1, described button cell group 4-1 is two CR2032 button cells, described single-chip microcomputer 1, infrared light LED2-1, signal amplification and Circuit tuning 2-3, button cell group 4-1 and the equal integrated installation of voltage stabilizing circuit 4-2 are on the picture frame of glasses, and described infrared light LED2-1 and silicon photocell 2-2 are installed in described picture frame.
In the present embodiment, preferred way is that described single-chip microcomputer is AVRmega8.Described silicon photocell is the 2CR21 silicon photocell.Described button cell group 4-1 is the CR2032 button cell that two voltages are 3V.The operating voltage of described single-chip microcomputer 1 is 5V.Also comprise the LED light of joining with single-chip microcomputer 1 output terminal, described LED light is arranged on the side of described picture frame.
During use, by the photoelectric detective circuit module 2 that infrared light LED2-1 and silicon photocell 2-2 form, by the mode that eyelid is in the light, Real-Time Monitoring is carried out in the activity of eyelid.Because the infrared light of 1450nm damages hardly to human eye, be the infrared light LED of 1450nm so native system adopts peak wavelength.Consider the factor such as response peak wavelength, quantum efficiency, response time, noise system and select the 2CR21 silicon photocell.During eyes closed, infrared light is blocked by eyelid, the unglazed photograph of silicon photocell 2-2, and silicon photocell 2-2 output voltage is low.When eyes were opened, infrared light caused photovoltaic effect by the anterior silicon photocell 2-2 that arrives of eyeball, and silicon photocell 2-2 output voltage is high.Due to silicon photocell 2-2 have, unglazed little according to the magnitude of voltage difference of exporting in situation, can't satisfy the testing conditions of single-chip microcomputer 1, therefore to amplify and Circuit tuning 2-3 through signal before signal access single-chip microcomputer, be convenient to single-chip microcomputer 1 and detect, adopt the AVRmega8 single-chip microcomputer as judgement and control core.Single-chip microcomputer 1 moves by the time timing of software to eyes closed by the open and close of interrupt response eyes, and compare with the corresponding standard time of closing one's eyes of drowsiness level, draw user's drowsiness whether with the conclusion of drowsiness level, and give different warning the tinkle of bells according to different drowsiness level by warning circuit module 3.Thereby realize the monitoring and alarm to user's drowsiness level.Power circuit 4 adopts 2 CR2032 button cells that voltage is 3V, provides single-chip microcomputer 1 operating voltage at 5V by voltage stabilizing circuit 4-2.Native system places take the common spectacles picture frame as skeleton the photoelectric detective circuit module 2 that is comprised of infrared light LED2-1 and silicon photocell 2-2 in picture frame, in glasses side placement LED light; Settle hummer at leg of spectacles near the place of ear.By wire, Photodetection system is connected with single-chip computer control system with buzzer, control system can directly be fixed on glasses.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. sleepy induction alarm system that prevents fatigue driving, it is characterized in that: comprise single-chip microcomputer (1), be used for closed to human eye or open the photoelectric detective circuit module (2) that detects, be provided with the warning circuit module (3) of multiple warning the tinkle of bells and the power circuit (4) that each power unit in system is powered, the input end of described photoelectric detective circuit module (2) and single-chip microcomputer (1) joins, the output terminal of described warning circuit module (3) and single-chip microcomputer (1) joins, described photoelectric detective circuit module (2) comprises that peak wavelength is the infrared light LED(2-1 of l450nm), silicon photocell (2-2) and signal amplify and Circuit tuning (2-3), described silicon photocell (2-2) amplifies with signal and Circuit tuning (2-3) joins, described power circuit (4) comprises button cell group (4-1) and the voltage stabilizing circuit (4-2) that joins with button cell group (4-1), described button cell group (4-1) is two CR2032 button cells, described single-chip microcomputer (1), infrared light LED(2-1), signal amplifies with the equal integrated installation of Circuit tuning (2-3), button cell group (4-1) and voltage stabilizing circuit (4-2) on the picture frame of glasses, described infrared light LED(2-1) and silicon photocell (2-2) be installed in described picture frame.
2. a kind of sleepy induction alarm system that prevents fatigue driving according to claim 1, it is characterized in that: described single-chip microcomputer (1) is AVRmega8.
3. a kind of sleepy induction alarm system that prevents fatigue driving according to claim 1, it is characterized in that: described silicon photocell (2-2) is the 2CR21 silicon photocell.
4. a kind of sleepy induction alarm system that prevents fatigue driving according to claim 1, it is characterized in that: described button cell group (4-1) is the CR2032 button cell that two voltages are 3V.
5. a kind of sleepy induction alarm system that prevents fatigue driving according to claim 1, it is characterized in that: the operating voltage of described single-chip microcomputer (1) is 5V.
6. a kind of sleepy induction alarm system that prevents fatigue driving according to claim 1, it is characterized in that: also comprise the LED light of joining with single-chip microcomputer (1) output terminal, described LED light is arranged on the side of described picture frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621787 CN202995972U (en) | 2012-11-22 | 2012-11-22 | Doze induction alarm system for preventing fatigue driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621787 CN202995972U (en) | 2012-11-22 | 2012-11-22 | Doze induction alarm system for preventing fatigue driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202995972U true CN202995972U (en) | 2013-06-12 |
Family
ID=48567120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220621787 Expired - Fee Related CN202995972U (en) | 2012-11-22 | 2012-11-22 | Doze induction alarm system for preventing fatigue driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202995972U (en) |
-
2012
- 2012-11-22 CN CN 201220621787 patent/CN202995972U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202068986U (en) | Anti-ultraviolet intelligent early warning garment | |
| CN103507636B (en) | A kind of drinking prevention drive system | |
| CN203250240U (en) | Computer monitor capable of protecting eyesight | |
| CN104408802A (en) | Intelligent entrance guard system based on human face identification | |
| CN103839377A (en) | Doze induction and alarm system for preventing fatigue driving | |
| CN202838634U (en) | Eyesight protective device | |
| CN203025911U (en) | Fatigue driving detection and identification system based on human face recognition | |
| CN202923394U (en) | Intelligent navigator safe driving system based on Andriod system | |
| CN204303286U (en) | Multifunctional intellectual advertisement machine | |
| CN202686095U (en) | Device for automatically turning off automobile headlight | |
| CN203689434U (en) | Display screen with automatic hibernation function | |
| CN110025097A (en) | Electronics bracelet and mobile device | |
| CN202995972U (en) | Doze induction alarm system for preventing fatigue driving | |
| CN202631884U (en) | Driver sleep monitoring glasses | |
| CN206212343U (en) | A kind of solar street light energy-saving control system based on voltage-stabilized power supply circuit | |
| CN201084263Y (en) | A test circuit of electromobile charging cabinet | |
| CN207068212U (en) | Oreoselimum warning device | |
| CN210428111U (en) | Intelligent watch capable of improving life safety | |
| CN106264474A (en) | A kind of Drowse-proof device | |
| CN209130568U (en) | A kind of eyeshield equipment | |
| CN209265701U (en) | Controlling system of traffic light | |
| CN203318170U (en) | Intelligent drunk driving monitoring system | |
| CN203386315U (en) | Infrared alerter based on one-chip microcomputer | |
| CN2169858Y (en) | Anti-electroshock safety helmet | |
| CN201327704Y (en) | A portable electronic product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131122 |