CN204542084U - Heart rate monitors anti-drowsy table continuously - Google Patents
Heart rate monitors anti-drowsy table continuously Download PDFInfo
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- CN204542084U CN204542084U CN201520063946.2U CN201520063946U CN204542084U CN 204542084 U CN204542084 U CN 204542084U CN 201520063946 U CN201520063946 U CN 201520063946U CN 204542084 U CN204542084 U CN 204542084U
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Abstract
This utility model relates to a kind of heart rate and monitors anti-drowsy table continuously, it comprises watchband, the housing of display screen, bottom is housed, button, be installed in housing by Photoelectric Detection module, low-frequency electric pulse module, bluetooth module, central processing unit, peripheral management circuit, rechargeable battery and electric power management circuit and the movement of pointing out shaking device to form; Case inside arranges detection window, Photoelectric Detection module by can emission wavelength be the LED light source of 630nm, 940nm, light-sensitive device, trans-impedance amplifier form, the photoplethysmographic signal be reflected back through human body that light-sensitive device receives amplifies through trans-impedance amplifier and exports central processing unit to; The invention utilizes each parameter value of intelligent terminal or smart mobile phone setting human body individuality, utilize the photoplethysmographic signal be reflected back through human body to detect driver and whether be in fatigue state, by driving prompting shaking device vibration prompting, and low-frequency electric pulse module generation low-frequency electric pulse can be driven simultaneously, stimulate human body.
Description
Technical field
This utility model relates to driver safety and drives detection technique field, specifically, relates to a kind of heart rate and monitors anti-drowsy table continuously.
Background technology
Vehicle accident is one of serious problem of society today of facing of our times various countries, the first public hazards of world today's harm humans life security are acknowledged as, every year because the reason of vehicle accident at least makes 500,000 people dead. the statistics of traffic accidents analysis of European and American countries shows, in vehicle accident, 80% ~ 90% is that human factors causes. according to the statistics that National Highway Traffic is affixed one's name to safely, on the highway of the U.S., about 100,000 vehicle accidents are caused every year because driver falls into sleep state in driving procedure, 1500 are about had directly to cause personnel death, 7110000 cause personnel to injure. and the situation in Europe is also roughly the same, as 25% vehicle accident causing casualties on the highway that Germany is domestic, all caused by fatigue driving. according to the statistics in calendar year 2001 Chinese transportation portion, the traffic accident of China 48 % is caused by driver tired driving, direct economic loss reaches hundreds of thousands of dollars. the fatigue detecting problem of regarding Car driver, along with the development of highway and the raising of the speed of a motor vehicle, become an important ring of automotive safety research at present.
Doze is a kind of physiological phenomenon of people, the factor such as the quality of body & mind situation, the height of responsibility consciousness of it and people has close contacting and be difficult to avoid, fatigue driving refers to that the reaction level that driver produces after the driving of a period of time declines, cause normally driving., after driver produces fatigue, also various change can be there is in its mental status., as visual deterioration, cause distractibility, the visual field narrows gradually; Ability of thinking declines, and causes bradykinesia, judges slow, stiff in the movements, arrhythmia; Control goes down, and causes and is easy to exciting, mood is irritable or step on the gas.Therefore develop a kind of system that can effectively prevent driver from dozing off in driving procedure and just seem very necessary.
For this reason, some are opened closed degree to identify and carry out driver by gathering driver's face image or frequency of wink or eyes and whether be in fatigue state and then the patent that processed is suggested, typical in CN101565036B, CN201578257, CN203480645 etc., there is following weak point in prior art: because driver is not in relatively complete static state relative to image acquisition device, this type of technology also processed by image recognition is difficult to reach high-accuracy, needs to be improved.
Summary of the invention
This utility model aims to provide and a kind of whether be in fatigue state for driver and have higher recognition accuracy and can process in time according to recognition result, monitors anti-drowsy table continuously with the heart rate avoiding vehicle in the hole.
Inventive concept of the present utility model is: the signal such as heart rate, blood oxygen saturation being detected driver by Photoelectric Detection module, judge the mental status of driver, combined with intelligent mobile phone A PP software parameter sets, the Signal transmissions of data processed result is carried out by bluetooth module, final driving interlock circuit carries out voice message, vibrating alert or electric pulse warning, and can carry out functional acupuncture point electric pulse stimulation simultaneously.
Technical solution of the present utility model is as follows:
A kind of heart rate monitors anti-drowsy table continuously, it is characterized in that: it comprises watchband, the housing of display screen, bottom are housed, be installed on the button of housing side, be installed in housing by Photoelectric Detection module, bluetooth module, central processing unit, low-frequency electric pulse module, peripheral management circuit, power supply, electric power management circuit and the movement that forms of prompting shaking device;
Described case inside is provided with the detection window being convenient to Photoelectric Detection module work, and described electric power management circuit connects power supply, and is connected with each circuit, module and central processing unit, for above-mentioned each circuit, module and central processing unit provide power supply;
Above-mentioned each circuit, module connect each corresponding ports of central processing unit respectively, for data signal being inputted central processing unit or accepting the instruction of central processing unit;
Described button completes heart rate and monitors the switching on and shutting down of anti-drowsy table and the manual setting of each parameter value, reference value and setting value continuously, and by above data signal input central processing unit;
The corresponding signal input part of the signal output part access central processing unit of described bluetooth module, for each parameter that intelligent terminal or smart mobile phone set being comprised the pattern of above-mentioned low-frequency electric pulse, output, time, realize wireless transmission by bluetooth module, and finally access central processing unit;
The mode that described Photoelectric Detection module adopts reflection type optical path to measure, by one can emission wavelength 630nm LED light source, one can the LED light source of emission wavelength 940nm, light-sensitive device, trans-impedance amplifier (TIA) form, the light source that LED light source sends irradiates human body through above-mentioned detection window, and light-sensitive device is installed on the appropriate location of the light be reflected back through human body that can receive in above-mentioned detection window;
The optical signal be reflected back through human body that light-sensitive device receives is converted to photoplethysmographic (PPG) signal and amplifies through trans-impedance amplifier (TIA) and export central processing unit to;
Described low-frequency electric pulse module is connected with central processing unit, for there is low-frequency electric pulse; It also comprises at least one electrode with human contact or one for accessing the port of the electrode contacted with human body, and the low-frequency electric pulse that above-mentioned low-frequency electric pulse module occurs finally accesses above-mentioned with the electrode of human contact or the port of electrode;
Described prompting shaking device comprises at least one powerful paster motor, the corresponding signal output part of its signal input part access central processing unit;
Described display screen connects the corresponding signal output port of central processing unit, and the duty that correlation values and heart rate monitor anti-drowsy table continuously shown on a display screen, above-mentioned numerical value includes but not limited to all relevant parameter values, reference value and setting value.
Operation principle of the present utility model and work process as follows:
This utility model is worn in wrist, first each parameter value of intelligent terminal or smart mobile phone setting driver is utilized, comprise detection alarm reference value and prompting vibrations parameter value, low-frequency electric pulse parameter value, wherein, detection alarm reference value comprises photoplethysmographic (PPG) signal reference value, whether fatigue state is in order to detect driver, prompting vibrations parameter value comprises the pattern that low-frequency electric pulse occurs, output, time, and by bluetooth module to realize wireless transmission, and the most above-mentioned each reference value and parameter value access central processing unit,
During utility model works, Photoelectric Detection module LED light source emission wavelength is 630nm, 940nm light source, human body is irradiated through detection window, its photoplethysmographic be reflected back (PPG) signal is accepted by light-sensitive device, amplify through trans-impedance amplifier (TIA) and export central processing unit to, and compare with photoplethysmographic (PPG) signal reference value, whether be in fatigue state to detect driver.
When testing result display driver is in fatigue state, central processing unit provides signal, the paster motor in prompting shaking device is driven to start working, play vibration prompting effect, drive low-frequency electric pulse module generation low-frequency electric pulse, its mode of operation, output, time set by above-mentioned intelligent terminal or smart mobile phone and pass through the parameter value work of bluetooth module wireless transmission simultaneously.The low-frequency electric pulse of above-mentioned generation is through electrode and human contact.
Certainly, also can directly intelligent terminal as smart mobile phone operates, and directly controlled the duty of above-mentioned prompting shaking device and low-frequency electric pulse module by bluetooth module.
The utility model has the advantage of:
Arranged by intelligent terminal or smart mobile phone, the seriality of the stimulation power of controlled in wireless low-frequency electric pulse module, frequency, time and Photoelectric Detection module detects frequency, health data cycle analysis, detect in real time by arranging reference value, and in time vibration prompting and electric pulse stimulation treatment, have high compared with high recognition accuracy, volume is little, power consumption is little, degree of intelligence is high.
Further technical scheme is: described bluetooth module preferably adopts Texas Instrument's bluetooth 4.0, the built-in wireless microcontroller of bluetooth module (MCU) module, and this technical scheme effectively can control volume, adopts and directly drives control.
In technique scheme, be not limited to MCU and blue tooth integrated is packaged into an IC.
In technique scheme, light-sensitive device can be photodiode.
Further technical scheme is: described low-frequency electric pulse module adopts operating frequency section to be 1-1000Hz.
Further technical scheme is: described button preferably adopts mechanical key, also can be to adopt touch key-press.
Further technical scheme is: described power management protection circuit at least comprises electric power detection, mu balanced circuit, has overcurrent protection, over under-voltage protection circuit; it also comprises at least one external charge power interface; described power output end is connected with the signal input part of power management protection circuit, and the signal output part of power management protection circuit is connected with MCU respective input.
Technique scheme improves the reliability of product and charging is convenient.
Accompanying drawing explanation
Below with reference to drawings and Examples, this utility model is described in further details.
Fig. 1 is the functional-block diagram of this utility model embodiment.
Fig. 2 is structural representation embodiment illustrated in fig. 1.
Fig. 3 is matching used smart mobile phone APP control inerface schematic diagram embodiment illustrated in fig. 1.
Fig. 4-8 be embodiment illustrated in fig. 1 in the electrical schematic diagram of each modular unit.
Wherein, the electrical schematic diagram of A peripheral circuit, B-source unit, C central processor unit, D button, E display unit is respectively in Fig. 4.
Fig. 5 is the electrical schematic diagram of bluetooth unit.
Fig. 6 is the electrical schematic diagram of photodetector unit.
Fig. 7 is the electrical schematic diagram of prompting vibrations unit.
Fig. 8 is the electrical schematic diagram of low-frequency electric pulse unit.
In figure, sequence number is respectively: 1, central processing unit; 2, bluetooth module; 3, low-frequency electric pulse module; 4, Photoelectric Detection module; 5, display screen circuit; 6, button; 7, shaking device is pointed out; 8, peripheral management circuit; 9, electric power management circuit; 10, rechargeable battery; 11, external charge power interface; 12, display window; 13, rechargeable battery; 14, waterproof cover; 15, watchband; 16, display screen; 17, movement; 18, bottom; 19, bottom; 20, low-frequency electric pulse electrode.
Detailed description of the invention
See accompanying drawing 1-8, heart rate shown in this utility model embodiment monitors anti-drowsy table continuously, consider components and parts volume size and comfort, adopt the double-shell structure on a root table band 15, watchband 15 adopts environment-friendly thermoplastic polyurethane elastomer rubber (TPU), wherein, housing II is made up of waterproof cover 14, the rechargeable battery 13 be installed in waterproof cover 14, low-frequency electric pulse module 3, low-frequency electric pulse electrode 20, bottom 19.The sidewall of waterproof cover 14 is provided with external charge power interface 11;
Housing I by with display window 12 panel, be installed on the movement with display screen 16 of housing I, the bottom 18 with detection window (not indicating in figure).The sidewall of housing I is also provided with button 6.
Above-mentioned movement 17 is made up of central processing unit (MCU) 1, bluetooth module 2, Photoelectric Detection module 4, display screen circuit 5, prompting shaking device 7, peripheral management circuit 8, electric power management circuit 9, wherein, the vibrating elements in shaking device 7 is pointed out to adopt a powerful paster motor.
Above-mentioned each circuit, module connect each corresponding ports of central processing unit respectively, for data signal being inputted central processing unit or accepting the instruction of central processing unit.
Also some electrical signal lines are had to be connected between housing I with housing II, for connecting the central processing unit (MCU) 1 in rechargeable battery 13, low-frequency electric pulse module 3, low-frequency electric pulse electrode 20 and movement 17 and the electric signal transmission between correlation module.
Electric power management circuit 9 connects rechargeable battery 10, and is connected with each circuit, module and central processing unit 1, for above-mentioned each circuit, module and central processing unit provide power supply.
In this utility model embodiment, button 6 monitors the switching on and shutting down of anti-drowsy table and the manual setting of each parameter value, reference value and setting value continuously for manually completing heart rate, and by above data signal input central processing unit.
The corresponding signal input part of the signal output part access central processing unit of bluetooth module 2, for each parameter that intelligent terminal or smart mobile phone set being comprised the pattern of above-mentioned low-frequency electric pulse, output, time, wireless transmission is realized by bluetooth module, and final access central processing unit 1; In this utility model embodiment, bluetooth 4.0 module that bluetooth module 2 adopts texas,U.S to produce, MCU central processing unit 1 is built in wherein.
The mode that Photoelectric Detection module 4 adopts reflection type optical path to measure, by one can emission wavelength 630nm LED light source, one can the LED light source of emission wavelength 940nm, photodiode, trans-impedance amplifier (TIA) form, detection window oral account (in figure do not indicate) of the light source that LED light source sends on bottom 18 irradiates human body, and photodiode is installed on the appropriate location of the light be reflected back through human body that can receive in above-mentioned detection window.
The optical signal be reflected back through human body that photodiode receives is converted to photoplethysmographic (PPG) signal and amplifies through trans-impedance amplifier (TIA) and export central processing unit 1 to.
Low-frequency electric pulse module 3 is connected with central processing unit 1, for there is the low-frequency electric pulse of 1000Hz; It also comprise one with the low-frequency electric pulse electrode 20 of human contact, the low-frequency electric pulse access low-frequency electric pulse electrode 20 that above-mentioned low-frequency electric pulse module 3 occurs.
Display screen 5 adopts high brightness OLED display screen, connect the corresponding signal output port of central processing unit, the duty that correlation values and heart rate monitor anti-drowsy table is continuously shown on a display screen, above-mentioned numerical value comprises all relevant parameter values, reference value and setting value etc., and it goes back the operating switch, model selection, output, working time, intensity selection etc. of display light electro-detection detection time, low-frequency electric pulse module 3.Display screen 5 also shows electricity and also can show by the note, incoming call etc. of bluetooth module 2 wireless connections smart mobile phone.
See accompanying drawing 3, with the APP software interface of the matching used smart mobile phone of this utility model embodiment, user, by APP software interface, arranges correlation function and parameter that heart rate monitors the related function modules of anti-drowsy table continuously, and transfers data to central processing unit 1 by bluetooth module 2.
Above-mentioned APP software can be Android system, Fructus Mali pumilae system, user scans bar code in description with smart mobile phone, download APP software, after succeeding in registration, smart mobile phone application interface occurs, display heart rate monitors the main interface of anti-drowsy Table A PP software continuously, carry out Bluetooth pairing, show by the electricity at interface, smart mobile phone APP interface display heart rate monitors the electricity at that time of the rechargeable battery 13 of anti-drowsy table continuously, by range switch, the super distance Bluetooth signal lost reminding switch that heart rate monitors anti-drowsy table and smart mobile phone is continuously set, arrange by affiliated person, what arrange that heart rate monitors the heart rate situation that detects of the user of anti-drowsy table continuously is associated with tutorial smart phone number by APP software platform, arrange 2 by the treatment at the main interface of APP and enter treatment manually setting, by output arrange heart rate monitor continuously the low-frequency electric pulse module 3 of anti-drowsy table manual export time output, by exporting duration, arrange heart rate monitor continuously anti-drowsy table low-frequency electric pulse module 3 manual export time time span, arrange low-frequency electric pulse module 3 mode of operation by model selection to select, as acupuncture mode, massage mode, when manually output is provided with, open by manually exporting, heart rate monitors the low-frequency electric pulse module 3 of anti-drowsy table continuously by parameters work, arrange and export the output that duration then closes low-frequency electric pulse module 3 automatically, anti-drowsy table button 6 is monitored continuously by heart rate, can manually export parameters by APP interface and start low-frequency electric pulse module 3 Push And Release, APP time set interface is entered by time set, by arranging group 1, the relevant parameter of group 1 is set, the electric pulse output of the low-frequency electric pulse module 3 of group 1 is set by output, by output time, the low-frequency electric pulse module 3 output time point of group 1 is set, by exporting duration, how long the low-frequency electric pulse module 3 arranging group 1 exports, by model selection, low-frequency electric pulse module 3 mode of operation is set, open or close by automatically exporting, opening or closing of group 1 is set, the low-frequency electric pulse module 3 monitoring anti-drowsy table by the parameters palm of the hand rate arranging group 1 continuously to the time by the time point arranged, time length, the output arranged, the operational module arranged, automatically open, automatic pass, repeat the above-mentioned heart rate that arranges monitor anti-drowsy table continuously by arranging arranging of group 2, by arranging group 1, the parameters heart rate of 2 monitors low-frequency electric pulse module 3 automatic operation of anti-drowsy table continuously, arrange 3 by the main Interface detection of APP to enter detection and arrange interface, by the duration regulating working time point and the point of working time next time arranging Photoelectric Detection module 4 detection time, the detection data arranging Photoelectric Detection module 4 by detection record store the holding time, the display format of the detection data of photoelectric measuring module is set by detection display, data display or waveform display, by detection display by the parameter display testing result arranged, the work of the data point association low-frequency electric pulse module that the detected parameters of Photoelectric Detection module 4 is set is regulated to start prompting by detecting to associate to remind, by reminding intensity adjustments, the optimum configurations of output intensity of low-frequency electric pulse module 3 when the work of prompting is set, by reminding time expand, the working time setting of low-frequency electric pulse module 3 after reminding intensity is set, by detection, ON/OFF is set, heart rate monitors the Photoelectric Detection module 4 of anti-drowsy table continuously by parameters work or closedown, arrange by the main interface display of APP and enter the displaying contents setting that heart rate monitors the display screen 16 of anti-drowsy table continuously, by note display ON/OFF, the relevant information of smart mobile phone inform by short message is set, the relative parameters setting of intelligent mobile telephone incoming call information is set by caller identification ON/OFF, prompting and the low-frequency electric pulse module 3 work prompting that heart rate monitors anti-drowsy table related function module is continuously set by vibration reminding.
With first embodiment unlike, this utility model second embodiment adopts a shell structure, all circuit in above-described embodiment middle shell I and housing II and parts are all concentrated in this housing, there is the low-frequency electric pulse of 1Hz in low-frequency electric pulse module, in addition, central processing unit (MCU) and bluetooth module do not adopt bluetooth 4.0 module of being produced by texas,U.S being built-in with MCU central processing unit.
Fig. 4-8 provides the electrical schematic diagram of each modular unit respectively, those skilled in the art get final product reproducing the present embodiment by figure, to those skilled in the art, when contrasting above-mentioned electrical schematic diagram, its operation principle should be able to have a clear understanding of completely, does not just describe one by one here.
Certainly, under design of the present utility model, have multiple enforcement and expression-form, as increased treatment module or reducing treatment functions of modules, adjustment terminal unit parameter, just can expand use.These, to those skilled in the art, do not need to pay creative work and get final product reproducing after reading this description above, just do not detail at this.Above-mentioned equivalents is adopted certainly to fall into protection domain of the present utility model.
Claims (6)
1. a heart rate monitors anti-drowsy table continuously, it is characterized in that: it comprises watchband, the housing of display screen, bottom are housed, be installed on the button of housing side, be installed in housing by Photoelectric Detection module, bluetooth module, central processing unit, low-frequency electric pulse module, peripheral management circuit, power supply, electric power management circuit and the movement that forms of prompting shaking device;
Described case inside is provided with the detection window being convenient to Photoelectric Detection module work, and described electric power management circuit connects power supply, and is connected with each circuit, module and central processing unit, for above-mentioned each circuit, module and central processing unit provide power supply;
Above-mentioned each circuit, module connect each corresponding ports of central processing unit respectively, for data signal being inputted central processing unit or accepting the instruction of central processing unit;
Described button completes heart rate and monitors the switching on and shutting down of anti-drowsy table and the manual setting of each parameter value, reference value and setting value continuously, and by above data signal input central processing unit;
The corresponding signal input part of the signal output part access central processing unit of described bluetooth module, for each parameter that intelligent terminal or smart mobile phone set being comprised the pattern of above-mentioned low-frequency electric pulse, output, time, realize wireless transmission by bluetooth module, and finally access central processing unit;
The mode that described Photoelectric Detection module adopts reflection type optical path to measure, by one can emission wavelength 630nm LED light source, one can the LED light source of emission wavelength 940nm, light-sensitive device, trans-impedance amplifier form, the light source that LED light source sends irradiates human body through above-mentioned detection window, and light-sensitive device is installed on the appropriate location of the light be reflected back through human body that can receive in above-mentioned detection window;
The optical signal be reflected back through human body that light-sensitive device receives is converted to photoplethysmographic signal and amplifies through trans-impedance amplifier and export central processing unit to;
Described low-frequency electric pulse module is connected with central processing unit, for there is low-frequency electric pulse; It also comprises at least one electrode with human contact or one for accessing the port of the electrode contacted with human body, and the low-frequency electric pulse that above-mentioned low-frequency electric pulse module occurs finally accesses above-mentioned with the electrode of human contact or the port of electrode;
Described prompting shaking device comprises at least one powerful paster motor, the corresponding signal output part of its signal input part access central processing unit;
Described display screen connects the corresponding signal output port of central processing unit, and the duty that correlation values and heart rate monitor anti-drowsy table continuously shown on a display screen, above-mentioned numerical value includes but not limited to all relevant parameter values, reference value and setting value.
2. heart rate according to claim 1 monitors anti-drowsy table continuously, it is characterized in that: described bluetooth module preferably adopts Texas Instrument's bluetooth 4.0, the built-in wireless microcontroller module of bluetooth module.
3. heart rate according to claim 2 monitors anti-drowsy table continuously, it is characterized in that: described low-frequency electric pulse module adopts operating frequency to be 1-1000Hz.
4. heart rate according to claim 3 monitors anti-drowsy table continuously, it is characterized in that: described light-sensitive device is photodiode.
5. heart rate according to claim 4 monitors anti-drowsy table continuously, it is characterized in that: described button is mechanical key.
6. monitor anti-drowsy table continuously according to the arbitrary described heart rate of claim 1-5; it is characterized in that: described power management protection circuit at least comprises electric power detection, mu balanced circuit, has overcurrent protection, over under-voltage protection circuit; it also comprises at least one external charge power interface; described power output end is connected with the signal input part of power management protection circuit, and the signal output part of power management protection circuit is connected with MCU respective input.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064712A (en) * | 2018-09-07 | 2018-12-21 | 重庆医科大学 | A kind of monitoring warning device and method for early warning for the monitoring of the elderly's sleep heart rate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064712A (en) * | 2018-09-07 | 2018-12-21 | 重庆医科大学 | A kind of monitoring warning device and method for early warning for the monitoring of the elderly's sleep heart rate |
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