CN108177685A - A kind of new traffic tool based on health monitoring - Google Patents

A kind of new traffic tool based on health monitoring Download PDF

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Publication number
CN108177685A
CN108177685A CN201810127345.1A CN201810127345A CN108177685A CN 108177685 A CN108177685 A CN 108177685A CN 201810127345 A CN201810127345 A CN 201810127345A CN 108177685 A CN108177685 A CN 108177685A
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Prior art keywords
temperature
module
value
new traffic
health monitoring
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蒋伟
沈千保
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Shenzhen Gehang Technology Co Ltd
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Shenzhen Gehang Technology Co Ltd
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Priority to CN201810127345.1A priority Critical patent/CN108177685A/en
Publication of CN108177685A publication Critical patent/CN108177685A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04—Hand wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6893—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/174—Facial expression recognition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W2040/0872—Driver physiology
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/146—Display means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30196—Human being; Person
    • G06T2207/30201—Face

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Physiology (AREA)
  • Mathematical Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
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  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The present invention provides a kind of new traffic tools based on health monitoring, by set temperature acquisition module, Temperature Treatment module and display module, practical temperature value is obtained, then shown by display screen, so as to realize real time monitoring driver's body temperature and be managed early warning, securely and reliably；By using installation electrocardio terminal and photographic device in seat, take contactless rhythm of the heart detection method, enhance rhythm of the heart testing result, it is possible to prevente effectively from influence of the ambient lighting to the contactless rhythm of the heart computational methods of view-based access control model, so as to provide more robust, more accurately contactless rhythm of the heart testing result；Pulse frequency, blood oxygen levels and body temperature can be detected in the case where one hand grasps steering wheel arrangement by steering wheel arrangement, Cloud Server, the display screen that is electrically connected with the steering wheel arrangement.

Description

A kind of new traffic tool based on health monitoring
Technical field
The present invention relates to automotive field, especially a kind of new traffic tool based on health monitoring.
Background technology
With the rapid development of economy, every household has the vehicles of car etc substantially, if in driving Happen suddenly serious health problem, and such as the rhythm of the heart, scheming ischemic and high fever, not only driver has the risk of sudden death, but also is possible to Cause major traffic accidents.
At present on the market also be not applied to automobile etc the vehicles health monitoring systems, this problems demand solution.
Invention content
The novel of electrocardio, pulse frequency situation information, blood oxygen levels and body temperature can be measured the object of the present invention is to provide a kind of The vehicles.
The purpose of the present invention is what is realized using following technical scheme：
A kind of new traffic tool based on health monitoring is filled including steering wheel arrangement, Cloud Server, with the steering wheel The display screen for putting electrical connection, the seat and photographic device being electrically connected with display screen include in the steering wheel arrangement：
The photo-electric rhythm of the heart monitors sensor, the physiological parameter data of acquisition, for monitoring the pulse frequency situation of user and arteries and veins The resume speed of rate；
Photo-electric blood oxygen transducer, for monitoring the blood oxygen levels of user；
It for storing and handling pulse frequency situation information, blood oxygen levels, and is transferred to institute by microprocessor by communication module State display screen；
Judging unit, for carrying out judging whether to occur to data such as pulse frequency situation information, blood oxygen levels using detection algorithm Emergency case；
Confirmation unit, for if it is determined that emergency case has occurred, reaffirming whether occur according to physiological parameter data Emergency case if it is confirmed that occurring, carries out emergency alarm；
Temperature collecting module, for acquiring the temperature of driver, the temperature collecting module and Temperature Treatment module in real time Electrical connection, the Temperature Treatment module are electrically connected with the display screen；
Electrocardio terminal is equipped in the seat, the electrocardio terminal includes electrocardio measuring electrode, for acquiring driver's Ecg information, and ecg information is sent to the Cloud Server, the Cloud Server is according to ecg information as a result, being sent to The judging unit；
Facial expression recognition module, area-of-interest computing module, differential amplification value is equipped in the photographic device to calculate Module, differential amplification value accumulation module and frequency-domain transform module；The face recognition module is for acquisition by the face of driver person Portion's vedio data, and the face in image data is identified；The area-of-interest computing module is used to calculate face The region of interest area image in portion；The differential amplification value computing module is used to calculate by time-domain difference color change scale-up model Red and the green component difference value of region of interest area image, and calculate the differential amplification value of region of interest area image；The difference The time domain that value of magnification accumulation module is used to calculate region of interest area image according to differential amplification value is divided to change waveform；The frequency domain becomes It changes the mold block to be used to time domain variation waveform carrying out Fourier transform, and calculate frequency domain response maximum value, according to frequency domain response maximum The rhythm of the heart value of detected person is calculated in the corresponding frequency values of value.
In this embodiment, the photo-electric blood oxygen transducer measures the reflected light of infrared light and feux rouges, and shine wave The long wave-length coverage for meeting pulse blood oxygen instrument requirement.
In this embodiment, it is carried out between microprocessor and communication module by universal asynchronous receiving-transmitting transmitter bus Communication.
In this embodiment, the electrocardio terminal using 3MHZ piezoelectric ceramic wafer.
In this embodiment, the communication module includes the WIFI radio frequencies submodule, the antenna that are electrically connected successively With circuit and antenna.
In this embodiment, both the communication module and the Cloud Server carry out networking by WIFI modes, It is communicated using star topology.
In this embodiment, assistance platform of the Cloud Server also with vehicle service backstage is connect, described The assistance platform on vehicle service backstage is used to monitor in real time.
In this embodiment, the new traffic tool further includes family members' notification unit, for emergency alarm to be believed Breath and health information are sent to driver and are associated with the mobile terminal that family members hold.
In this embodiment, the temperature collecting module is pasted including body temperature, and the body temperature patch is mounted on the direction Disk apparatus surface is provided with multichannel temperature acquisition chip in body temperature patch, and the multichannel temperature acquisition chip can acquire The temperature data of multiple collection points, and mean body temperature data are calculated according to the temperature data of multiple collection points.
In this embodiment, the Temperature Treatment module, it is electrical including MCU microcontrollers and with the MCU microcontrollers The AD conversion unit of connection, the MCU microcontrollers include thermistor, and the AD conversion unit is electrically connected at the temperature and adopts Collect module, for obtaining the temperature that the temperature collecting module acquires driver in real time, and by the temperature transition for 16 into Value processed, the MCU microcontrollers obtain the hexadecimal value and the thermistor are calculated according to the hexadecimal value Resistance value, the MCU microcontrollers are additionally operable to obtain practical temperature value according to the relationship of the resistance value and temperature.
Beneficial effects of the present invention are：
1st, by set temperature acquisition module, Temperature Treatment module and display module, practical temperature value is obtained, then pass through Display screen shown, so as to realize real time monitoring driver's body temperature and be managed early warning, securely and reliably；
2nd, by using electrocardio terminal and photographic device is installed in seat, contactless rhythm of the heart detection method is taken, Enhance rhythm of the heart testing result, it is possible to prevente effectively from influence of the ambient lighting to the contactless rhythm of the heart computational methods of view-based access control model, So as to provide more robust, more accurately contactless rhythm of the heart testing result；
3rd, it can be slapped by steering wheel arrangement, Cloud Server, the display screen that is electrically connected with the steering wheel arrangement in one hand Pulse frequency, blood oxygen levels and body temperature are detected in the case of holding steering wheel arrangement.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And it can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can It is clearer and more comprehensible, special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of the contactless heart rate detection of the present invention；
Fig. 3 is load-balancing technique schematic diagram；
Fig. 4 is the step flow chart of the contactless heart rate detection method of the embodiment of the present invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings 1-4.Attached drawing In give the present invention better embodiment.But the present invention can realize in many different forms, however it is not limited to this The described embodiment of text.On the contrary, the purpose of providing these embodiments is that make what the disclosure was understood More thorough and comprehensive.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more The arbitrary and all combination of relevant Listed Items.
Please refer to attached drawing 1-3, a kind of new traffic tool based on health monitoring, including steering wheel arrangement 1, Cloud Server 2nd, the display screen 3 that is electrically connected with the steering wheel arrangement, the seat being electrically connected with display screen 3 and photographic device 4.
Further, include in the steering wheel arrangement 1：The photo-electric rhythm of the heart monitors sensor 11, the physiological parameter of acquisition Data, for monitoring the pulse frequency situation of user and the resume speed of pulse frequency.
In the present embodiment, the photo-electric rhythm of the heart monitors sensor 11 as LED type reflective photoelectric sensor, model LST1303, small, using double green lights that emission wavelength is 570nm, the reflectivity higher compared with infrared light can realize height Sensitivity measures, and is internally integrated high-tech nano coating environmental detection sensor, filters unwanted light source, reduce by environment light source Erroneous judgement caused by interference acts, and accuracy rate is high, the pulse frequency situation and pulse frequency when can monitor user's tranquillization, anxiety, movement Resume speed, these data help to assess physical state.
Further, include in the steering wheel arrangement 1：Photo-electric blood oxygen transducer 12, for monitoring the blood oxygen of user Value.In this embodiment, the model of photo-electric blood oxygen transducer 12 selects LST1308, small, measures infrared light and red The reflected light of light, emission wavelength meets the wave-length coverage of pulse blood oxygen instrument requirement, so measurement accuracy is very high, can remind in time User avoids the occurrence of anoxic conditions.Blood oxygen detection is used will put after precision operational-amplifier LST221 and A/D conversion Analog signal after big is converted to digital signal, and corresponding pulse frequency, blood oxygen levels are obtained after finally handling operation by microcontroller.Together When, photo-electric blood oxygen transducer 12 measures the reflected light of infrared light and feux rouges, and emission wavelength meets the wave of pulse blood oxygen instrument requirement Long range.
Further, include in the steering wheel arrangement 1：Microprocessor 13, for store and handle pulse frequency situation information, Blood oxygen levels, and it is transferred to the display screen 3 by communication module 14.Specifically, microcontroller chip is equipped in microcontroller 13 131st, alarm unit 132, for being issued warning signal to user or the external world；Memory module 133, for storing and handling pulse frequency feelings The information such as condition information, blood oxygen levels, body temperature.
Specifically, the microprocessor 13 passes through universal asynchronous receiving-transmitting transmitter (Universal with communication module 14 Asynchronous Receiver and Transmitter, UART) bus communicates.Communication module 14 includes electric successively Property connection WIFI radio frequencies submodule, antenna-matching circuit and antenna.Communication module 14 communicates what is used with microprocessor 13 It is UART communication patterns, equally using serial ports transparent transmission mode, the transmission mode of transport layer is transmitted for UDP.Communication module 14 Ap mode can be used as, as base-station node Server, while is also used as STATION patterns.
In this embodiment, both the communication module 14 and Cloud Server 2 carry out networking by WIFI modes, adopt It is communicated with star topology.
Further, include in the steering wheel arrangement 1：Judging unit 15, for using detection algorithm to pulse frequency situation The data such as information, blood oxygen levels carry out judging whether that emergency case occurs.
Specifically, several inertial sensors 16 and update judging unit 17 are additionally provided in the steering wheel arrangement, update is sentenced Disconnected unit 17 is used for according to the actual burst situation fed back, update detection judging unit.In the present embodiment, pass through micro- place The health data of body and physiological parameter data are packaged by reason device 13, then transmit data to display by communication module In screen 3 and judging unit 15, if it is determined that generating emergency case, it will be sentenced according to electrocardio mutually in the same time and pulse rate signal It is disconnected whether happening of jeopardizing of unsoundness state, after then determine that unsoundness state jeopardizes happens, pass through traffic The assistance platform 5 on utility services backstage notifies hospital to take first aid, and situation is sent to family members' notification unit 51, family members' notice Unit 51 is used for the mobile terminal for being sent to driver and be associated with family members and hold emergency alarm information and health information.
Detection process mainly needs three indexs：It is sensitivity (Sensitivity), the lead time (Lead time), special It spends (Specificity).Wherein, sensitivity refers to the correct probability detected, defined formula 1.1
Sensitivity is higher, and detection algorithm is more superior.Lead time refers to that detecting that health status jeopardizes happens people Body contacts the time on ground.Wherein, detection algorithm also will extend the lead time as possible, be designed with bigger for protective device in this way Benefit.Specificity refers to correctly distinguishing the probability that health status jeopardizes.Specificity is higher, generates the probability of wrong report It is smaller.
Further, include in the steering wheel arrangement：Confirmation unit 18, for if it is determined that emergency case has occurred, It reaffirms whether emergency case occurs according to physiological parameter data, if it is confirmed that occurring, carries out emergency alarm；
Further, include in the steering wheel arrangement 1：Temperature collecting module 19, for acquiring the temperature of driver in real time Degree, temperature collecting module 19 are electrically connected with Temperature Treatment module 191, and Temperature Treatment module 19 is electrically connected with display screen 3.
In this embodiment, the temperature collecting module 19 is pasted including body temperature, and the body temperature patch is mounted on the side To disk apparatus surface, multichannel temperature acquisition chip is provided in the body temperature patch, the multichannel temperature acquisition chip can be adopted Collect the temperature data of multiple collection points, and mean body temperature data are calculated according to the temperature data of multiple collection points.
In this embodiment, the Temperature Treatment module 191, including MCU microcontrollers and with the MCU microcontrollers The AD conversion unit of electric connection, the MCU microcontrollers include thermistor, and the AD conversion unit is electrically connected at the temperature Acquisition module 19 is spent, for obtaining the temperature of the temperature collecting module 19 acquisition driver in real time, and by the temperature transition For hexadecimal value, the MCU microcontrollers obtain the hexadecimal value and according to being calculated the hexadecimal value The resistance value of thermistor, the MCU microcontrollers are additionally operable to obtain practical temperature value according to the relationship of the resistance value and temperature.
Further, the resistance value of the thermistor is calculated according to following formula for the MCU microcontrollers：
Wherein：Rs is thermistor actual value, and Vs is the hexadecimal value, and FF is the thermistor being calculated Resistance value.
It is appreciated that the resistance value of the thermistor, then root are calculated according to above-mentioned formula for the MCU microcontrollers 121 It tables look-up according to the relation table of the corresponding resistance value of thermistor and temperature and obtains actual temperature value.
Specifically, 3 signal of display screen is connected to Temperature Treatment module 191, for obtaining temperature value, and is shown.It is logical Set temperature acquisition module 19, Temperature Treatment module 191 and display screen 3 are crossed, obtains practical temperature value, then pass through display screen 3 It is shown, so as to realize real time monitoring driver's body temperature and be managed early warning, securely and reliably.
With the above arrangement, the rhythm of the heart, blood oxygen levels can be measured in the case where one hand grasps steering wheel arrangement.
Further, include in the seat：Electrocardio terminal 6, the electrocardio terminal 6 include electrocardio measuring electrode, are used for The ecg information of driver is acquired, and ecg information is sent to the Cloud Server 2, the Cloud Server 2 is believed according to electrocardio Breath as a result, being sent to the judging unit 15.
Specifically, the electrocardio terminal 6 using 3MHZ piezoelectric ceramic wafer.When voltage acts on piezoelectric ceramic piece When, mechanically deform will be generated with the variation of voltage and frequency.On the other hand, when vibrating piezoelectric ceramic piece, then one can be generated A charge.Using this principle, when to an electric signal is applied by two panels piezoelectric ceramic piece, will launch because of bending vibration Ultrasonic wave.One combined vibrating device of ultrasonic sensor is neatly fixed on pedestal.The combined vibrating device is humorous Shake device and the combination that is made of a sheet metal and a piezoelectric ceramic piece.Purpose be can effectively eradiation due to vibration and The ultrasonic wave of generation, and ultrasonic wave can effectively be made to be gathered in the central part of vibrator.In high-frequency detection, use The piezoelectric ceramic piece of vertical thickness vibration mode.Piezoelectric ceramic wafer is electricity device a kind of simple in structure and light and handy, is had High sensitivity, no magnetic field disseminate it is excessive, without copper wire and magnet, the advantages that convenient for mass production.It is suitble to ultrasonic wave and infrasound Transmitting and reception, detection pressure and vibration can also be used by comparing the piezoelectric ceramic piece of large area, and operation principle is to utilize pressure The invertibity of electrical effect, applies audio voltage on it, so as to make a sound.Ecg information is finally sent to the cloud service Device 2, so that the doctor of the assistance platform 5 on vehicle service backstage can be driven by the further accurate judgement of rhythm of the heart sound The situation for the person of sailing starts the rescue measure for meeting driver's somagenic need.
Further, be equipped in the photographic device 4 Facial expression recognition module 41, area-of-interest computing module 42, Differential amplification value computing module 43, differential amplification value accumulation module 44 and frequency-domain transform module 45；The face recognition module 41 It is identified for obtaining by face's vedio data of driver person, and to the face in image data；It is described interested Area calculation module 42 is used to calculate the region of interest area image of face；The differential amplification value computing module 43 is for when passing through Domain differential color variation scale-up model calculates the red of region of interest area image and green component difference value, and calculate region of interest The differential amplification value of area image；The differential amplification value accumulation module 44 is used to calculate area-of-interest figure according to differential amplification value The time domain variation waveform of picture；The frequency-domain transform module 45 is used to time domain variation waveform carrying out Fourier transform, and calculate frequency The rhythm of the heart value of detected person is calculated in domain response maximum value, the frequency values according to corresponding to frequency domain response maximum value.
Due to having usually contained the background area beside ear in the rectangle frame that is calculated in face identification method, in order to Avoid interfering caused by the variation of background area, the present invention retain the widthwise central region of rectangle frame 60% so as to remove background Region；Blink process can also cause the variation of face color when further, due to detection, and the present invention is tired out using longitudinal gray scale Meter method, gets rid of human eye area from rectangle frame, obtains the region of interest area image of face, avoids caused face color of blinking The influence of variation.
The red of region of interest area image and green component difference value are calculated by time-domain difference color change scale-up model, And take the logarithm and be amplified, obtain the differential amplification value of region of interest area image；
Time-domain difference color change scale-up model is established according to skin color illumination imaging model；General light is beaten On skin, skin can be established as the absorbing model of illumination：
SA=-log (T/I) (1)
In formula (1), SA represents absorptivity of the skin to light, and T represents transmitted light, and I represents incident light.
According to Lambert-Beer laws, skin is to the absorptivity of light and the relationship of illumination wavelength：
SA (λ)=vm(λ)cm+vh(λ)ch+SA0 (2)
In formula (2), v represents spectrum cross section coefficient, and c represents pigment concentration, and m represents melanin, and h represents blood red Albumen.
With reference to formula (1) and formula (2), can obtain：
T=Iexp (- (vm(λ)cm+vh(λ)ch+SA0)) (3)
And according to illumination imaging model, the intensity P of each pixel and the relationship of incident light and absorptivity are in image：
P=∫ T (λ) SA (λ) d λ (4)
And P is by r, g in imaging process, tri- channels of b form, so skin color illumination imaging model can derive For：
logPr=-{ vm(r)cm+vh(r)ch+SA0}+logkI(r)
logPg=-{ vm(g)cm+vh(g)ch+SA0}+logkI(g)
logPb=-{ vm(b)cm+vh(b)ch+SA0}+logkI(b) (5)
According to formula (5), the red for defining region of interest area image is with green component difference ratio Q：
The differential variations of Q at any time may be defined as：
Again because of Δ vh、ΔchIt is constant, is not influenced by ambient lighting, therefore can integrally omits and disregard, therefore can Establishing time-domain difference color change scale-up model is：
Formula (8) establishes the Model in Time Domain of face color change, and the variation of red, green component is only remained in the model, The influence of ambient lighting is effectively removed, therefore there is the more previous model of the model stronger environment resistant shadow to ring property.
Due to still having partial noise in the time domain variable signal that is acquired in formula (8), in order to enhance robustness, the present invention Bandpass filtering is carried out to time domain variation waveform using Hamming window：
In formula (9), fhmFor Hamming window bandpass filter 46, the frequency response range root of Hamming window bandpass filter 46 It is determined as [0.75-4Hz] according to the minimax variation range of the human body rhythm of the heart.
Time domain variation waveform after filtering process is subjected to Fourier transform, and calculate frequency domain response maximum value, according to frequency Frequency values corresponding to domain response maximum value are calculated the rhythm of the heart value of detected person's heart number per minute, and by the heart Rule value exports to display screen 3 and shows rhythm of the heart testing result；
Changed in waveform by the time domain that formula (9) obtains, main component is the color change as caused by rhythm of the heart change Component, the frequency values corresponding to frequency domain response maximum value just reflect the frequency of facial color change, corresponding to heartbeat Frequency, the frequency values are multiplied by 60 to get to the rhythm of the heart value of detected person's heart number per minute；Current cardiac jump per minute The calculation formula of dynamic number rhythm of the heart value is：
In formula (10), F represents Fourier transform, and f represents frequency.
It preserves and accumulates the rhythm of the heart testing result in the predetermined detection time, calculated in the predetermined detection time after stopping detecting The average value of rhythm of the heart testing result, and the average value of rhythm of the heart testing result is exported to display screen 3 and is shown, realize that the rhythm of the heart is real When guard, meanwhile, rhythm of the heart testing result is sent to Cloud Server 2.
Further referring to Fig. 4, in actually calculating, include the following steps：
Step 100：Face's video image of detected person is shot by cam device 4；
Step 200：A frame image data is obtained, the face in image data is identified, and judges whether to recognize Face if not recognizing face, re-executes step；If recognizing face, step 300 is performed；
Step 300：The rectangular area for including face is found, and calculates the width and height of the minimum rectangle frame that can frame face；
Step 400：The background area in rectangle frame and human eye area are removed, obtains the region of interest area image of face；
Step 500：The red of region of interest area image and green point are calculated by time-domain difference color change scale-up model Difference value is measured, and takes the logarithm and is amplified, obtains the differential amplification value of region of interest area image；
Step 600：The differential amplification value of region of interest area image is accumulated, and judges whether cumulative frequency reaches preset value, If cumulative frequency does not reach preset value, step 200 is repeated；If cumulative frequency reaches preset value, step is performed Rapid 700；
Step 700：The time domain that region of interest area image is calculated by the differential amplification value of accumulation changes waveform, passes through band logical It filters and the time domain variation waveform of region of interest area image is filtered, and the time domain variation waveform after filtering process is defeated Go out to display screen progress waveform and show；
Step 800：Time domain variation waveform after filtering process is subjected to Fourier transform, and calculate frequency domain response maximum The rhythm of the heart of detected person's heart number per minute is calculated in value, the frequency values according to corresponding to frequency domain response maximum value Value, and the rhythm of the heart value is exported to display, 3 display rhythm of the heart testing results；
Step 900：It preserves and accumulates the rhythm of the heart testing result in the predetermined detection time, pre- regular inspection is calculated after stopping detecting The average value of rhythm of the heart testing result in the time is surveyed, and the average value output display screen 3 of rhythm of the heart testing result is shown, is realized Rhythm of the heart real-time monitoring.
In this embodiment, the Cloud Server 3 is also connect with the assistance platform on vehicle service backstage 5, is handed over The assistance platform 5 on logical utility services backstage is used to monitor in real time.Cloud Server 2 further includes info push module, information push mould Block is for using LBS, (location based service to refer to, by communication module 14 or external positioning method, obtain mobile terminal and use The location information at family under the support of the assistance platform 5 on vehicle service backstage, provides a kind of increasing of respective service to the user Value business) geographical location where technical limit spacing driver, the geographical location according to where driver is sent to driver rises in value Information on services, value added service information include but not limited to attachment medical center information, and driver can be in case of emergency according to attached Part medical center information checked or nearby when long-range relief do not prove effective, doctor can according to the geographical location where driver, Notice medical center medical staff nearby visits co-treatment, tries to gain time precious to one for fetus treatment.
The embodiment of the present application is with reference to according to the method for the embodiment of the present application, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in flow and/or box combination.These can be provided Computer program instructions are set to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine so that is held by the processor of computer or other programmable data processing terminal equipments Capable instruction generation is used to implement in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes The controller for the function of specifying.
In the description of the present invention, it is to be understood that term " interior ", " top ", " middle part ", " side ", " on " etc. fingers The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies Description rather than instruction imply that signified unit or element must have specific orientation, with specific azimuth configuration and behaviour Make, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connection ", " fixation " should It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be mechanical connection, It can be that electrical connection can be directly connected, can also be indirectly connected by intermediary, can be the company inside two elements Logical or two elements interaction relationship, unless otherwise restricted clearly.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of new traffic tool based on health monitoring, including steering wheel arrangement, Cloud Server and the steering wheel arrangement The display screen of electrical connection, the seat and photographic device being electrically connected with display screen, which is characterized in that wrapped in the steering wheel arrangement It includes：
The photo-electric rhythm of the heart monitors sensor, the physiological parameter data of acquisition, for monitoring the pulse frequency situation of user and pulse frequency Resume speed；
Photo-electric blood oxygen transducer, for monitoring the blood oxygen levels of user；
It for storing and handling pulse frequency situation information, blood oxygen levels, and is transferred to described show by microprocessor by communication module Display screen；
Judging unit, for carrying out judging whether to happen suddenly to data such as pulse frequency situation information, blood oxygen levels using detection algorithm Situation；
Confirmation unit, for if it is determined that emergency case has occurred, reaffirming whether happen suddenly according to physiological parameter data Situation if it is confirmed that occurring, carries out emergency alarm；
Temperature collecting module, for acquiring the temperature of driver in real time, the temperature collecting module is electrically connected with Temperature Treatment module It connects, the Temperature Treatment module is electrically connected with the display screen；
Electrocardio terminal is equipped in the seat, the electrocardio terminal includes electrocardio measuring electrode, for acquiring the electrocardio of driver Information, and ecg information is sent to the Cloud Server, the Cloud Server is according to ecg information as a result, being sent to Judging unit；
Be equipped in the photographic device Facial expression recognition module, area-of-interest computing module, differential amplification value computing module, Differential amplification value accumulates module and frequency-domain transform module；The face recognition module is for acquisition by face's video of driver person Image data, and the face in image data is identified；The area-of-interest computing module is used to calculate the sense of face Interest area image；The differential amplification value computing module is used to calculate by time-domain difference color change scale-up model interested Red and the green component difference value of area image, and calculate the differential amplification value of region of interest area image；The differential amplification The time domain that value accumulation module is used to calculate region of interest area image according to differential amplification value changes waveform；The frequency-domain transform module For time domain variation waveform to be carried out Fourier transform, and calculate frequency domain response maximum value, according to frequency domain response maximum value, institute is right The rhythm of the heart value of detected person is calculated in the frequency values answered.
2. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the photo-electric blood oxygen passes Sensor measures the reflected light of infrared light and feux rouges, and emission wavelength meets the wave-length coverage of pulse blood oxygen instrument requirement.
3. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that microprocessor and the mould that communicates It is communicated between block by universal asynchronous receiving-transmitting transmitter bus.
4. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the electrocardio terminal uses Be 3MHZ piezoelectric ceramic wafer.
5. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the communication module includes WIFI radio frequencies submodule, antenna-matching circuit and the antenna being electrically connected successively.
6. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the communication module and institute It states both Cloud Servers and networking is carried out by WIFI modes, communicated using star topology.
7. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the Cloud Server also with The assistance platform connection on vehicle service backstage, the assistance platform on the vehicle service backstage are used to monitor in real time.
8. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the new traffic tool Family members' notification unit is further included, is associated with what family members held for emergency alarm information and health information to be sent to driver Mobile terminal.
9. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the temperature collecting module It is pasted including body temperature, the body temperature patch is mounted on the steering wheel arrangement surface, and being provided with multichannel temperature in the body temperature patch adopts Collect chip, the multichannel temperature acquisition chip can acquire the temperature data of multiple collection points, and according to the body of multiple collection points Warm data calculate mean body temperature data.
10. the new traffic tool based on health monitoring as described in claim 1, which is characterized in that the Temperature Treatment mould Block, the AD conversion unit being electrically connected including MCU microcontrollers and with the MCU microcontrollers, the MCU microcontrollers include temperature-sensitive electricity Resistance, the AD conversion unit are electrically connected at the temperature collecting module, are acquired in real time for obtaining the temperature collecting module The temperature of driver, and be hexadecimal value by the temperature transition, the MCU microcontrollers obtain the hexadecimal value and root Be calculated the resistance value of the thermistor according to the hexadecimal value, the MCU microcontrollers be additionally operable to according to the resistance value with The relationship of temperature obtains practical temperature value.
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