CN104287721A - Vehicle-mounted multi-parameter physiological monitoring device - Google Patents
Vehicle-mounted multi-parameter physiological monitoring device Download PDFInfo
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- CN104287721A CN104287721A CN201410599540.6A CN201410599540A CN104287721A CN 104287721 A CN104287721 A CN 104287721A CN 201410599540 A CN201410599540 A CN 201410599540A CN 104287721 A CN104287721 A CN 104287721A
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- 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
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- 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
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- 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]
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- 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
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Abstract
The invention provides a vehicle-mounted multi-parameter physiological monitoring device. The vehicle-mounted multi-parameter physiological monitoring device is integrated on a steering wheel protective sleeve and comprises a capacitive detection module, an electrocardio acquisition module, a blood oxygen acquisition module and a circuit device. The capacitive detection module starts the vehicle-mounted multi-parameter physiological monitoring device after detecting that the palm skin of a user makes good contact with the vehicle-mounted multi-parameter physiological monitoring device. The electrocardio acquisition module acquires electrocardio signals. The blood oxygen acquisition module acquires pulse blood oxygen data. The circuit device is connected to the capacitive detection module, the electrocardio acquisition module and the blood oxygen acquisition module, receives the electrocardio signals and the pulse blood oxygen data, and gives an alarm to the user and other related personnel or organizations and establishes communication when the electrocardio signals and the pulse blood oxygen data are abnormal. The vehicle-mounted multi-parameter physiological monitoring device can guarantee that the user can be warned and treated in time when the user is physiologically abnormal in a driving process, and the driving process of the user is not influenced.
Description
Technical field
The present invention relates to non-invasive monitoring technical field, particularly relate to a kind of vehicle-mounted multi-parameter physiology monitoring device.
Background technology
Cardiovascular disease is the epidemic disease of harm countries in the world crowd, and in Died Patients, major part suddenly acute events occurs outside hospital, and the early diagnosis and the treatment that lose preciousness cause death.Heart disease belongs to chronic sudden illness, if the treatment of heart disease can be changed into the monitoring in patient's daily life, will greatly reduce the mortality rate of heart disease.Meanwhile, due to modern society's tempo increase, people's pressure ratio is comparatively large, is usually among fatigue that sub-health state or highly intensive labour cause.
Day by day universal along with automobile, the cardiovascular disease that happens suddenly when driving or situation about causing a traffic accident because of fatigue driving also often have generation, and this not only has influence on the safety of person for driving a car, also forms serious threat to other road vehicles and pedestrian.Therefore, being badly in need of a kind of device that can carry out monitoring continuously when driving to the physical signs of person for driving a car, can not either affect and drive, monitor again the physiological situation of patient whenever and wherever possible, thus Timeliness coverage patient's being physically different.
The patent of vehicle-mounted heartbeat inspecting adopted the scheme of settling vibrating sensor in seat mostly in the past.Due to the isolation of clothing and the noise and vibration of vehicle self, the signal error rate of vibrating sensor is higher, affects signals collecting precision and reliability, even if adopt fault-tolerant processing algorithm to be also difficult to prevent wrong report, fail to report.We have invented a kind of vehicle-mounted multi-parameter physiology monitoring device newly for this reason, solve above technical problem.
Summary of the invention
The object of this invention is to provide and be a kind ofly integrated on steering wheel jacket, utilize the hand-tight feature of holding steering wheel of person for driving a car to carry out the vehicle-mounted multi-parameter physiology monitoring device of data acquisition.
Object of the present invention realizes by following technical measures: vehicle-mounted multi-parameter physiology monitoring device, this vehicle-mounted multi-parameter physiology monitoring device is integrated on protecting cover for steering wheel, comprise capacitive detection module, electrocardiogram acquisition module, blood oxygen acquisition module and circuit arrangement, this capacitive detection module gathers the small capacitances delta data that skin of palm of hand touches the generation of this capacitive detection module, and detecting that the vehicle-mounted multi-parameter physiology monitoring device of user's skin of palm of hand and this contacts well, start this vehicle-mounted multi-parameter physiology monitoring device, this electrocardiogram acquisition module acquires electrocardiosignal, this blood oxygen acquisition module gathers pulse blood oxygen data, this circuit arrangement is connected to this capacitive detection module, this electrocardiogram acquisition module and this blood oxygen acquisition module, receive electrocardiosignal and pulse blood oxygen data, and report to the police when electrocardiosignal and pulse blood oxygen data occur abnormal to user and other relevant personnel or mechanism and set up and communicate.
Object of the present invention also realizes by following technical measures:
This circuit arrangement comprises amplification filtering A/D change-over circuit, microprocessor, memorizer, report to the police and sound circuit and wireless communication module, this amplification filtering A/D change-over circuit is connected to this capacitive detection module, this electrocardiogram acquisition module and this blood oxygen acquisition module, and electrocardiosignal and pulse blood oxygen data are carried out amplification filtering A/D conversion, this memorizer stores typical cardiac electrical signal waveform, this microprocessor is connected to this signal amplification filtering A/D change-over circuit and this memorizer, receive the electrocardiosignal after the process of this signal amplification filtering A/D change-over circuit and pulse blood oxygen data, and the electrocardiosignal after process and pulse blood oxygen data are transferred to this memory storage, this microprocessor is by the electrocardiosignal after the process of this signal amplification filtering A/D change-over circuit and the typical cardiac electrical signal waveform be stored in advance in this memorizer and compare, whether Real-Time Monitoring physiological parameter is normal, and when monitoring physiological parameter and being abnormal, this microprocessor sends different alarm to this warning and sound circuit and this wireless communication module according to the different state of an illness, this warning and sound circuit are connected to the alarm signal that this microprocessor sends to receive this microprocessor, and according to different alarm, send different promptings, inquiry, buzzing, chimes of doom, user and treatment personnel are made to understand the urgency level of the state of an illness in time, this wireless communication module is connected to the different alarm that this microprocessor sends to receive this microprocessor, and when receiving different alarm, condition-inference signal is sent to base station, report to the police to the household of user or friend and medical personnel.
This microprocessor by the pulse blood oxygen data after the process of this signal amplification filtering A/D change-over circuit compared with a certain specific indexes, when pulse blood oxygen data are lower than this specific indexes, this microprocessor judges that driver produces fatigue, to send fatigue warning signal to this warning and phonetical circuit, this warning and phonetical circuit remind driver to stop in time rest.
This warning and sound circuit comprise the mike and speaker that can receive user speech, receive the voice that base station is sent, realize two-way call, this warning and sound circuit also arrange cue button, press this button when there is heart abnormality, warning generation and get final product stop alarm sound, and point out personnel on the scene the correct method of giving treatment to for the method for disposal of the different state of an illness; This wireless communication module also accepts teleinstruction and uploads related data, helps long-rangely to make a definite diagnosis, give treatment to.
This circuit arrangement also comprises electric capacity digitial controller, this electric capacity digitial controller comprises the status register storing the small capacitances delta data that this capacitive detection module gathers, in order to characterize the distance of this capacitive detection module and skin, this electric capacity digitial controller reads the small capacitances delta data stored in this status register, to determine whether good user's skin of palm of hand and this vehicle-mounted multi-parameter physiology monitoring device contacts.
This microprocessor is 16 monokaryon microprocessors, and this memorizer is 512MB flash memory, and adopts the way to manage of first in first out, and this electric capacity digitial controller is the high sensitivity AFE (analog front end) controller of 16 or more high-order.
This circuit arrangement also comprises display screen, and this display screen is connected to this microprocessor, and shows the physiological parameter of this microprocessor monitors in real time, and the information of display comprises: electrocardio and heart rate waveform, blood oxygen saturation, pulse frequency and perfusion index.
This circuit arrangement also comprises power circuit and rechargeable battery, and this power circuit provides DC source for this vehicle-mounted multi-parameter physiology monitoring device, and this rechargeable battery is connected to this power circuit, for this power circuit is powered.
This circuit arrangement also comprises charger and 12V DC source, this charger is connected to this rechargeable battery, this 12V DC source is connected to this charger, buzz can be sent when this charged battery voltage is on the low side, when being about to exhaust, prompting should be charged in time, also this charger can be adopted this rechargeable battery to be connected to this 12V DC source in car, this rechargeable battery is charged.
This capacitive detection module comprises one or more capacitive detecting electrode, this electrocardiogram acquisition module comprises two electrocardioelectrodes, this blood oxygen acquisition module comprises emission driver, luminous tube and light sensor, pulse blood oxygen data drive this luminous tube by this emission driver, be irradiated on tremulous pulse, receive reflected light data with this light sensor and gather.
Two described electrocardioelectrodes and capacitive detecting electrode adopt strip, arc-shaped electrode is embedded on this steering wheel jacket, lay respectively at steering wheel both sides, be symmetrically distributed, and be parallel to each other, their external diameter is equal with the external diameter of this steering wheel jacket, and be not in contact with each other, electrode outer surface covers solid conduction silica gel, this blood oxygen acquisition module is built in left side electrocardioelectrode, this luminous tube and this light sensor are arranged on the homonymy at tested position, be positioned at the surface of left side electrocardioelectrode, and form the angle of 0 ~ 180 degree between this luminous tube and this light sensor.
This vehicle-mounted multi-parameter physiology monitoring device also comprises conducting wire, and this capacitive detection module, this electrocardiogram acquisition module, this blood oxygen acquisition module are connected with this conducting wire with between this circuit arrangement respectively, and this conducting wire is arranged in the inner side of this steering wheel jacket.
This circuit arrangement is circular arc flake, is encapsulated among the arc-shaped shell of external diameter close to this steering wheel jacket external diameter, and is placed in the bottom of the party to dish jacket.
Vehicle-mounted multi-parameter physiology monitoring device in the present invention, adapt to Modern human populations health demand, solve the problem lacking at present and monitor person for driving a car's physiological situation product in real time easily, steering wheel can be held contact under good prerequisite with capacitive detecting electrode and start Real-Time Monitoring electrocardio by staff when driving, the parameters such as blood oxygen, and report to the police when occurring abnormal to user and other relevant personnel or mechanism and set up communication, this system can data acquisition, process, store, analyze, diagnosis, report to the police, communication, data are transmitted, display, the functions such as human-computer interaction, meet user monitors physiological parameter continuously demand when driving, thus ensure that it is warned in time when if physiology on the run occurs abnormal and give treatment to, and do not affect the activity of driving of user.
Accompanying drawing explanation
Fig. 1 is the structure chart of a specific embodiment of vehicle-mounted multi-parameter physiology monitoring device of the present invention;
The capacitive detection module that Fig. 2 is steering wheel jacket schematic diagram and is embedded on steering wheel jacket, electrocardiogram acquisition module, the schematic diagram of blood oxygen acquisition module and circuit arrangement placement location;
Fig. 3 is the schematic appearance that the vehicle-mounted multi-parameter physiology real-time monitoring device be integrated on steering wheel jacket installs on the steering wheel;
Fig. 4 is inside steering wheel jacket, connects the conducting wire distribution schematic diagram of capacitive detection module, electrocardiogram acquisition module and blood oxygen acquisition module and circuit arrangement.
Detailed description of the invention
For making above and other object of the present invention, feature and advantage can become apparent, cited below particularly go out preferred embodiment, and coordinate institute's accompanying drawings, be described in detail below.
As shown in Figure 1, Fig. 1 is the structure chart of vehicle-mounted multi-parameter physiology monitoring device of the present invention.This vehicle-mounted multi-parameter physiology monitoring device is made up of the capacitive detection module 1 be embedded on steering wheel jacket, electrocardiogram acquisition module 2, blood oxygen acquisition module 3 and circuit arrangement 9.
Capacitive detection module 1 comprises capacitive detecting electrode 4, the small capacitances change produced by the skin of palm of hand touching capacitive detecting electrode 4 grasping steering wheel is detected, when described capacitive detection module 1 detects that user's skin of palm of hand contacts well with device, just start starting drive, Real-Time Monitoring is carried out to parameters such as electrocardio, blood oxygen.In one embodiment, whether capacitive detection module 1 contact that detects skin of palm of hand and device by the signal from capacitive detecting electrode stored in electric capacity digitial controller 12 read status register 13 is good.After skin of palm of hand contacts with device, the small capacitances that produces changes and judges that person for driving a car contacts with steering wheel jacket 22 well and just start starting drive, carries out Real-Time Monitoring to parameters such as electrocardio, blood oxygen.The existence of capacitive detection module 1 avoids both hands departure direction dish jacket 22 and causes blackout and the erroneous judgement produced.Described small capacitances change is generally and is less than 50pF.Capacitive detecting electrode 4 quantity is one or more altogether, is strip arc-shaped electrode.
Electrocardiogram acquisition module 2 is made up of, for gathering electrocardiosignal two electrocardioelectrodes 5.
Blood oxygen acquisition module 3 gathers pulse blood oxygen data.Blood oxygen acquisition module 3 is made up of emission driver 6, luminous tube 7 and light sensor 8.Pulse blood oxygen data, by emission driver 6 driven for emitting lights pipe 7, are irradiated on tremulous pulse, receive reflected light data collection with light sensor 8.The angle of 0 ~ 180 degree is formed between described luminous tube 7 and light sensor 8.In one embodiment, blood oxygen acquisition module is built in left side electrocardioelectrode.Described luminous tube 7 and light sensor 8 are arranged on the homonymy at tested position, are positioned at the surface of left side electrocardioelectrode, and form the angle of 0 ~ 180 degree between luminous tube and light sensor.
Described circuit arrangement 9 is connected to capacitive detection module 1, electrocardiogram acquisition module 2, blood oxygen acquisition module 3, and electrocardio and pulse blood oxygen data are stored in memory, and preserve up-to-date data, give up data the earliest, simultaneously carry out identifying according to waveform preset in measured waveform and memorizer, comparison, to physiological parameter whether exception and be which kind of exception makes diagnosis.Described circuit arrangement 9 can send chimes of doom in time when finding physically different, and by the relevant medical aid personnel of wireless communication networks by the state of an illness real-time informing base station of person for driving a car, can support double-directional speech and data communication if desired.When the Real-Time Monitoring the data obtained of blood oxygen saturation is lower than the index preset, fatigue monitoring warning function sends tired warning accordingly automatically, and prompting driver is stopped rest.
In one embodiment, circuit arrangement 9 is made up of signal amplification filtering A/D change-over circuit 10, microprocessor 11, electric capacity digitial controller 12, memorizer 14, power circuit 15, rechargeable battery 19, warning and sound circuit 17, display screen 16, wireless communication module 18, charger 20 and 12V DC source 21.
Signal amplification filtering A/D change-over circuit 10 is connected to capacitive detection module 1, electrocardiogram acquisition module 2, blood oxygen acquisition module 3, and electrocardio and pulse blood oxygen data are carried out amplification filtering A/D conversion.In one embodiment, signal is carried out differential amplification by the pre-amplification circuit of circuit arrangement by signal amplification filtering A/D change-over circuit 10, and gain is not less than 5.Then signal is carried out bandpass filtering by device after filtering, and band connection frequency is generally 0.5 ~ 40Hz.Amplify through main amplifying circuit, gain is not less than 200 again.So far, the electrocardiosignal of mV level is amplified to V level.Then, A/D change-over circuit is by signal digitized, and more than sample frequency 500Hz, improves the capacity of resisting disturbance of Signal transmissions.Signal amplification filtering A/D change-over circuit 10 is by signal filtering and convert digital signal to and launch, improves the anti-interference of signals transmission, Electro Magnetic Compatibility and signal quality.
Memorizer 14 is for storing electrocardio and the pulse blood oxygen data of typical cardiac electrical signal waveform and collection.In one embodiment, memorizer 14 adopts the way to manage of first in first out, only preserves the data of up-to-date a period of time, such as nearest 24 hours, and adopt 512MB flash memory.
Microprocessor 11 is connected to signal amplification filtering A/D change-over circuit 10 and memorizer 14, receive the electrocardio after the process of this signal amplification filtering A/D change-over circuit 10 and pulse blood oxygen data, and the electrocardio after process and pulse blood oxygen data are transferred to memorizer 14 and store.Electrocardiosignal after this signal amplification filtering A/D change-over circuit 10 processes by microprocessor 11 stores typical cardiac electrical signal waveform in memory 14 with prior and compare, whether Real-Time Monitoring physiological parameter is normal, carry out real-time analysis, diagnosis, record, can judge that myocardial infarction, sudden cardiac arrest, arrhythmia etc. are physically different.The waveform comparison of microprocessor 11, recognition function can tentative diagnosis physiological parameter whether normal, provide basis for taking suitable counter-measure for different situations.When monitoring physiological parameter and being abnormal, microprocessor 11 sends different alarm to reporting to the police and sound circuit 17 and wireless communication module 18 according to the different state of an illness.In one embodiment, tired reduction with blood oxygen saturation has substantial connection, therefore fatigue monitoring warning function Main Basis blood oxygen saturation index, when this index is reduced to a certain specific indexes, microprocessor 11 judges that driver produces fatigue, fatigue warning signal being sent to reporting to the police and phonetical circuit 17, to report to the police and phonetical circuit 17 reminds driver to stop in time rest.In one embodiment, microprocessor 11 is 16 monokaryon microprocessors.
Display screen 16 is connected to microprocessor 11, and the physiological parameter of display microprocessor 11 monitoring in real time.The information that display screen 16 shows comprises: electrocardio and heart rate waveform, blood oxygen saturation, pulse frequency and perfusion index.Preferably display screen 16 is touch screen.
Warning and sound circuit 17 are connected to the alarm signal that microprocessor 11 sends to receive microprocessor 11.In one embodiment, for the ease of call and monitoring, warning and sound circuit 17 comprise the mike and speaker that can receive user speech, receive the voice that base station is sent, realize bidirectional call function.When monitoring abnormal parameters, according to the different alarm that the order of severity according to the state of an illness is sent, warning and sound circuit 17 can send different promptings, inquiry, buzzing, chimes of doom, make user and treatment personnel understand the urgency level of the state of an illness in time.Report to the police and sound circuit 17 can also arrange cue button, pressing this button when there is heart abnormality, warning generation and get final product stop alarm sound, and point out personnel on the scene the correct method of giving treatment to for the method for disposal of the different state of an illness.
Wireless communication module 18 is connected to the alarm signal that microprocessor 11 sends to receive microprocessor 11.Wireless communication module 18, when receiving alarm signal, sends condition-inference signal to base station, report to the police, can also accept teleinstruction and upload related data when needing to the household of user or friend and medical personnel, helps long-rangely to make a definite diagnosis, give treatment to.
Electric capacity digitial controller 12 is integrated with status register 13, be used for controlling optimum configurations and the signal-obtaining of capacitive detecting electrode 4, store the signal from capacitive detecting electrode 4 in status register 13, in order to characterize the distance with skin, thus judge that whether the contact of skin of palm of hand and device is good.The data that the capacitive detecting electrode stored in electric capacity digitial controller 12 read status register 13 gathers, whether good with the contact of determining device and skin.Described electric capacity digitial controller 12 is the high sensitivity AFE (analog front end) controller of 16 or more high-order.
Described power circuit 15 adopts DC power supply, more precisely adopts rechargeable battery 19 to power.Described rechargeable battery 19 is placed in same housing, can change.When rechargeable battery 19 low voltage, be about to exhaust time circuit can send buzz, prompting should be charged in time.At this moment also can adopt a charger 20 that rechargeable battery 19 is connected to 12V DC source 21 in car, rechargeable battery 19 is charged.
Circuit arrangement 9 adopts rechargeable battery 19 to power, and does not need external cabling, avoids the problem of the interference driver operation that power supply wiring causes, improves the safety of use.Adopt DC power supply to efficiently avoid a difficult problem for alternating current common-mode voltage interference, common " right crus of diaphragm driving " method need not be adopted to eliminate, make only to adopt two electrodes can obtain an electrocardiosignal of leading.When rechargeable battery 19 exhausts, 12V DC source 21 in car is adopted to be that it is chargeable, convenient and easy.What low-voltage prompting can prevent from causing because of running down of battery fails to report, and further increases system reliability.
Circuit arrangement 9 can arrange on and off switch, after unlatching, namely enter using state.
As shown in Figures 2 and 3, the capacitive detection module 1 that Fig. 2 is steering wheel jacket 22 schematic diagram and is embedded on steering wheel jacket 22, electrocardiogram acquisition module 2, the schematic diagram of blood oxygen acquisition module 3 and circuit arrangement 9 placement location, Fig. 3 is the schematic appearance that the vehicle-mounted multi-parameter physiology real-time monitoring device be integrated on steering wheel jacket 22 installs on the steering wheel.Two described electrocardioelectrodes 5 and capacitive detecting electrode 4 adopt strip, arc-shaped electrode is embedded on steering wheel jacket 22, lay respectively at steering wheel both sides, be symmetrically distributed, and be parallel to each other, their external diameter is equal with the external diameter of steering wheel jacket 22, symmetrical layout on the steering wheel, and be not in contact with each other, meet principle of human engineering, the grip locations that everyone is different can be adapted to, no matter how the position of the grasping of two handss changes, and can gather electrocardiosignal by starting drive.Electrode outer surface can cover solid conduction silica gel, poor with the contact impedance reducing electrode and human body, improves the conductivity of signal, greatly improves the quality of signals collecting, and further increases the comfortableness of grasping.When utilizing person for driving a car to drive, both hands hold the feature of the steering wheel left and right sides, can ensure that the height of electrode and both hands skin is fitted, improve reliability and the signal to noise ratio of signals collecting.
In order to pervasive in various vehicle, capacitive detection module 1, electrocardiogram acquisition module 2 and blood oxygen acquisition module 3 are combined on steering wheel jacket 22 instead of on steering wheel dexterously, therefore without the need to doing any transformation to the steering wheel of former car, avoiding the potential safety hazard that therefore occurs and persuading car load repair in shop to change the difficult problems such as steering wheel design.Avoid the impact on former car steering wheel design, get involved without the need to car load factory, the steering wheel being integrated with multi-parameter physiology monitoring modular is wrapped in after market and obtains and provide installation.Steering wheel jacket 22 is made up of non-conducting material, such as leather, artificial leather, plastics, rubber etc.
As shown in Figure 4, Fig. 4 is inside steering wheel jacket 22, connects conducting wire 23 distribution schematic diagram of capacitive detection module 1, electrocardiogram acquisition module 2 and blood oxygen acquisition module 3 and circuit arrangement 9.Described circuit arrangement 9 is circular arc flake, be encapsulated among the arc-shaped shell of external diameter close to this steering wheel jacket external diameter, it is placed in the bottom of steering wheel jacket 22, reduce the problem of the grasping comfortableness difference caused because its external diameter is different from steering wheel jacket 22, because general driver can not grasp this position for a long time, also reduce the impact on steering wheel manipulation.Capacitive detection module 1, electrocardiogram acquisition module 2 and blood oxygen acquisition module 3 are connected with conducting wire 23 with between circuit arrangement 9, and conducting wire 23 is arranged in the inner side of steering wheel jacket, and good concealment is attractive in appearance, is not easily broken by hook.
Claims (13)
1. vehicle-mounted multi-parameter physiology monitoring device, it is characterized in that, this vehicle-mounted multi-parameter physiology monitoring device is integrated on protecting cover for steering wheel, comprise capacitive detection module, electrocardiogram acquisition module, blood oxygen acquisition module and circuit arrangement, this capacitive detection module gathers the small capacitances delta data that skin of palm of hand touches the generation of this capacitive detection module, and detecting that the vehicle-mounted multi-parameter physiology monitoring device of user's skin of palm of hand and this contacts well, start this vehicle-mounted multi-parameter physiology monitoring device, this electrocardiogram acquisition module acquires electrocardiosignal, this blood oxygen acquisition module gathers pulse blood oxygen data, this circuit arrangement is connected to this capacitive detection module, this electrocardiogram acquisition module and this blood oxygen acquisition module, receive electrocardiosignal and pulse blood oxygen data, and report to the police when electrocardiosignal and pulse blood oxygen data occur abnormal to user and other relevant personnel or mechanism and set up and communicate.
2. vehicle-mounted multi-parameter physiology monitoring device according to claim 1, it is characterized in that, this circuit arrangement comprises amplification filtering A/D change-over circuit, microprocessor, memorizer, report to the police and sound circuit and wireless communication module, this amplification filtering A/D change-over circuit is connected to this capacitive detection module, this electrocardiogram acquisition module and this blood oxygen acquisition module, and electrocardiosignal and pulse blood oxygen data are carried out amplification filtering A/D conversion, this memorizer stores typical cardiac electrical signal waveform, this microprocessor is connected to this signal amplification filtering A/D change-over circuit and this memorizer, receive the electrocardiosignal after the process of this signal amplification filtering A/D change-over circuit and pulse blood oxygen data, and the electrocardiosignal after process and pulse blood oxygen data are transferred to this memory storage, this microprocessor is by the electrocardiosignal after the process of this signal amplification filtering A/D change-over circuit and the typical cardiac electrical signal waveform be stored in advance in this memorizer and compare, whether Real-Time Monitoring physiological parameter is normal, and when monitoring physiological parameter and being abnormal, this microprocessor sends different alarm to this warning and sound circuit and this wireless communication module according to the different state of an illness, this warning and sound circuit are connected to the alarm signal that this microprocessor sends to receive this microprocessor, and according to different alarm, send different promptings, inquiry, buzzing, chimes of doom, user and treatment personnel are made to understand the urgency level of the state of an illness in time, this wireless communication module is connected to the different alarm that this microprocessor sends to receive this microprocessor, and when receiving different alarm, condition-inference signal is sent to base station, report to the police to the household of user or friend and medical personnel.
3. vehicle-mounted multi-parameter physiology monitoring device according to claim 2, it is characterized in that, this microprocessor by the pulse blood oxygen data after the process of this signal amplification filtering A/D change-over circuit compared with a certain specific indexes, when pulse blood oxygen data are lower than this specific indexes, this microprocessor judges that driver produces fatigue, to send fatigue warning signal to this warning and phonetical circuit, this warning and phonetical circuit remind driver to stop in time rest.
4. the vehicle-mounted multi-parameter physiology monitoring device according to Claims 2 or 3, it is characterized in that, this warning and sound circuit comprise the mike and speaker that can receive user speech, receive the voice that base station is sent, realize two-way call, this warning and sound circuit also arrange cue button, presses this button when there is heart abnormality, warning generation and get final product stop alarm sound, and point out personnel on the scene the correct method of giving treatment to for the method for disposal of the different state of an illness; This wireless communication module also accepts teleinstruction and uploads related data, helps long-rangely to make a definite diagnosis, give treatment to.
5. vehicle-mounted multi-parameter physiology monitoring device according to claim 2, it is characterized in that, this circuit arrangement also comprises electric capacity digitial controller, this electric capacity digitial controller comprises the status register storing the small capacitances delta data that this capacitive detection module gathers, in order to characterize the distance of this capacitive detection module and skin, this electric capacity digitial controller reads the small capacitances delta data stored in this status register, to determine whether good user's skin of palm of hand and this vehicle-mounted multi-parameter physiology monitoring device contacts.
6. vehicle-mounted multi-parameter physiology monitoring device according to claim 5, it is characterized in that, this microprocessor is 16 monokaryon microprocessors, this memorizer is 512MB flash memory, and adopting the way to manage of first in first out, this electric capacity digitial controller is the high sensitivity AFE (analog front end) controller of 16 or more high-order.
7. the vehicle-mounted multi-parameter physiology monitoring device according to Claims 2 or 3 or 5, it is characterized in that, this circuit arrangement also comprises display screen, this display screen is connected to this microprocessor, and showing the physiological parameter of this microprocessor monitors in real time, the information of display comprises: electrocardio and heart rate waveform, blood oxygen saturation, pulse frequency and perfusion index.
8. vehicle-mounted multi-parameter physiology monitoring device according to claim 2, it is characterized in that, this circuit arrangement also comprises power circuit and rechargeable battery, this power circuit provides DC source for this vehicle-mounted multi-parameter physiology monitoring device, this rechargeable battery is connected to this power circuit, for this power circuit is powered.
9. vehicle-mounted multi-parameter physiology monitoring device according to claim 8, it is characterized in that, this circuit arrangement also comprises charger and 12V DC source, this charger is connected to this rechargeable battery, this 12V DC source is connected to this charger, and can send buzz when this charged battery voltage is on the low side, when being about to exhaust, prompting should be charged in time, also this charger can be adopted this rechargeable battery to be connected to this 12V DC source in car, this rechargeable battery is charged.
10. vehicle-mounted multi-parameter physiology monitoring device according to claim 1, it is characterized in that, this capacitive detection module comprises one or more capacitive detecting electrode, this electrocardiogram acquisition module comprises two electrocardioelectrodes, this blood oxygen acquisition module comprises emission driver, luminous tube and light sensor, pulse blood oxygen data drive this luminous tube by this emission driver, are irradiated on tremulous pulse, receive reflected light data gather with this light sensor.
11. vehicle-mounted multi-parameter physiology monitoring devices according to claim 10, it is characterized in that, two described electrocardioelectrodes and capacitive detecting electrode adopt strip, arc-shaped electrode is embedded on this steering wheel jacket, lay respectively at steering wheel both sides, be symmetrically distributed, and be parallel to each other, their external diameter is equal with the external diameter of this steering wheel jacket, and be not in contact with each other, electrode outer surface covers solid conduction silica gel, this blood oxygen acquisition module is built in left side electrocardioelectrode, this luminous tube and this light sensor are arranged on the homonymy at tested position, be positioned at the surface of left side electrocardioelectrode, and form the angle of 0 ~ 180 degree between this luminous tube and this light sensor.
12. vehicle-mounted multi-parameter physiology monitoring devices according to claim 10, it is characterized in that, this vehicle-mounted multi-parameter physiology monitoring device also comprises conducting wire, this capacitive detection module, this electrocardiogram acquisition module, this blood oxygen acquisition module are connected with this conducting wire with between this circuit arrangement respectively, and this conducting wire is arranged in the inner side of this steering wheel jacket.
13. vehicle-mounted multi-parameter physiology monitoring devices according to claim 1 or 12, it is characterized in that, this circuit arrangement is circular arc flake, is encapsulated among the arc-shaped shell of external diameter close to this steering wheel jacket external diameter, and is placed in the bottom of the party to dish jacket.
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Application publication date: 20150121 |
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