CN105686802A - A diver state pre-warning system based on blood glucose analysis - Google Patents
A diver state pre-warning system based on blood glucose analysis Download PDFInfo
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- CN105686802A CN105686802A CN201610002072.9A CN201610002072A CN105686802A CN 105686802 A CN105686802 A CN 105686802A CN 201610002072 A CN201610002072 A CN 201610002072A CN 105686802 A CN105686802 A CN 105686802A
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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
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6825—Hand
- A61B5/6826—Finger
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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
-
- 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
- A61B5/369—Electroencephalography [EEG]
Abstract
The invention relates to a diver state pre-warning system based on blood glucose analysis. The pre-warning system comprises a blood glucose testing sub-system and an AVR32 chip. The blood glucose testing sub-system is used for extracting the blood glucose data of a diver in water. The AVR32 chip is connected with the blood glucose testing sub-system and determines whether to enter an exception pre-warning mode according to the extraction result of the blood glucose testing sub-system. The system can perform pre-warning for divers in water when the somatic functions of the divers in water go wrong.
Description
Technical field
The present invention relates to analysis of blood sugar field, particularly relate to a kind of diver's status early warning system based on analysis of blood sugar。
Background technology
If able to every physiological parameter of underwater diver is accurately detected, sensing that a certain physiological parameter is reported to the police when exceeding warning value immediately, notify diver or even water life-saving center, it becomes possible to for the working environment of underwater operation one safety of construction of diver。
But, in prior art, the entrained under water detection device of diver is concentrated mainly on the detection to underwater environment, such as hydraulic pressure detection, imageing sensor etc., and the physiological status of diver itself is lacked effective detecting instrument under water, say nothing of when diver's physiological status exception, using the teaching of the invention it is possible to provide be easy to the communication equipment of diver's emergency alarm。
Therefore, the present invention proposes a kind of diver's status early warning system based on analysis of blood sugar, blood glucose signal and the eeg signal of underwater diver can be understood in time, once exception occurs, urgency communication mechanism can be started to help diver quickly to establish a communications link with water life-saving platform, thus facilitating water life-saving center to succour with a definite target in view。
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of diver's status early warning system based on analysis of blood sugar, utilize targetedly, can be used for the blood glucose monitoring device of cramped construction under water and brain wave monitoring device realizes the blood glucose information to underwater diver and the extraction of brain wave information respectively, and trigger the urgency traffic mechanism of alarm mechanism and portable when exception。
According to an aspect of the present invention, provide a kind of diver's status early warning system based on analysis of blood sugar, described early warning system includes blood sugar test subsystem and AVR32 chip, described blood sugar test subsystem is for extracting the blood glucose level data of diver under water, described AVR32 chip is connected with described blood sugar test subsystem, determines whether to enter abnormity early warning pattern according to the extraction result of described blood sugar test subsystem。
More specifically, described based in diver's status early warning system of analysis of blood sugar, including: detecting electrode, it is arranged on diver's head, the voltage variety that the neuron activity for detecting brain is formed by ionic conduction arrival cerebral cortex；Difference preamplifier, is connected with described detecting electrode, for described voltage variety is amplified；Low pass filter, is connected with described difference preamplifier, for the voltage variety after amplification is carried out 100Hz low-pass filtering, to export the first filtering signal；Two-stage power frequency notch filter, is connected with described low pass filter, for described first filtering signal is carried out two-stage notch filter process, to export notched signal；High pass filter, is connected with described two-stage power frequency notch filter, for described notched signal is carried out 0.1Hz high-pass filtering, to export the second filtering signal；Level adjustment circuit, is connected with described high pass filter, and described second filtering signal is carried out level adjustment process, thinks that subsequent A/D conversion is prepared；Analog to digital conversion circuit, is connected with described level adjustment circuit, and the second filtering signal after level adjustment processes carries out the analog digital conversion of 8, to obtain the brain wave digital signal of diver；Direct Digital Frequency Synthesizers, for producing frequency and sine wave signal that phase place can adjust uses being used as mixing as rf frequency source；Pulse-series generator, is used for producing pulse train；Frequency mixer, is connected respectively with described Direct Digital Frequency Synthesizers and described pulse-series generator, adopts pulse train that sine wave signal is carried out mixed modulated；Power amplifier, is connected with described frequency mixer, for being amplified by the signal after mixed modulated；Switching Power Supply, is used as the interface circuit between probe and power amplifier, by the signal loading after amplification to the radio-frequency receiving-transmitting coil of probe；Nd-Fe-B permanent magnetic type magnet structure, produces a uniform static magnetic field of field intensity in the space holding diver's finger；Probe, is placed on diver's finger position, is wound around radio-frequency receiving-transmitting coil and sends in described Nd-Fe-B permanent magnetic type magnet structure with the signal that will load, produces nmr phenomena, and the deamplification being additionally operable to obtain after being resonated by Hydrogen Proton in diver's finger is sent；Waterproof case, is positioned on diving dress, for providing waterproofing protection for the electronic equipment in described early warning system；Warning screen, is arranged on diving dress arm position, is connected with AVR32 chip, is used for when receiving abnormality signal, display button call character, when receiving normal state signal, does not display operation；Emergency button, is arranged on diving dress arm position, is positioned at described warning screen side；By key driving apparatus, it is connected with described emergency button, for when the pressing operation received in described emergency button, sending power supply suppling signal；Communication device for emergency, is arranged on diving dress arm position, is positioned at described warning screen side, for the call-information of diver is sent to the server place of administrative center of diving under water on the bank by communication link；Switch switching equipment, it is connected by key driving apparatus with described, when receiving described power supply suppling signal, open the interface channel between described independently-powered equipment and described communication device for emergency to keep the supply of electric power to described communication device for emergency of the described independently-powered equipment；Independently-powered equipment, with described warning screen, described by key driving apparatus, described switch switching equipment and described communication device for emergency be connected respectively, be only described warning screen, described by key driving apparatus, described switch switching equipment and described communication device for emergency provide supply of electric power；AVR32 chip, adopts parallel port to be connected with analog-digital conversion circuit as described, is used for receiving brain wave digital signal, also it is connected to receive described deamplification with described probe, analyze the spectral line of described deamplification, and calculate wherein glucose proportion, thus obtaining the blood sugar concentration of diver；Described AVR32 chip is when there is α ripple and β ripple in described brain wave digital signal, export shallow sleep and identify signal, when described brain wave digital signal occurs θ ripple and δ ripple, output deep sleep identification signal, when described blood sugar concentration is when default blood glucose upper concentration, send the too high identification signal of blood sugar concentration, when described blood sugar concentration is when default blood glucose least concentration, send the too low identification signal of blood sugar concentration；Wherein, when AVR32 chip send shallow sleep identify signal, deep sleep identification signal, blood sugar concentration too high identification signal or blood sugar concentration too low identification signal time, AVR32 chip is simultaneously emitted by abnormality signal, and otherwise, AVR32 chip is simultaneously emitted by normal state signal。
More specifically, described based in diver's status early warning system of analysis of blood sugar: the radio-frequency receiving-transmitting coil that described probe is wound around is the one in birdcage coil, toroidal winding, saddle-shaped coils, phased array coils and annulus。
More specifically, described based in diver's status early warning system of analysis of blood sugar: described two-stage power frequency notch filter adopts bandpass filtering to offset mode and designs, for offsetting the power frequency component in described first filtering signal。
More specifically, described based in diver's status early warning system of analysis of blood sugar: described power frequency component is 50Hz frequency component。
More specifically, described based in diver's status early warning system of analysis of blood sugar: the one in direct digital synthesizers, analog phase-locked look and digital phase-locked loop is selected in the frequency synthesis that Direct Digital Frequency Synthesizers adopts。
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the first embodiment of the diver's status early warning system based on analysis of blood sugar of the present invention。
Accompanying drawing labelling: 1 blood sugar test subsystem；2AVR32 chip
Detailed description of the invention
Below with reference to accompanying drawings the embodiment based on diver's status early warning system of analysis of blood sugar of the present invention is described in detail。
At present, due to the complexity of underwater operation environment, diver is an industry that requirement is higher, risk factor is significantly high。Work under water, diver not only will in the face of the environmental disturbances of various the unknowns, and various different biological invasion and attack, and more it is a risk that, under water once ill, diver is difficult to rely on the strength of self to escape from underwater environment, and under water once fluctuation occurs in spirit, diver also is difficult to learn the abnormality of self。
For this, the present invention has built a kind of diver's status early warning system based on analysis of blood sugar, adopt high-precision blood glucose monitoring device and brain wave monitoring device that blood glucose and multiple brain wave parameter of diver are carried out detection in time and reported to the police, and when recognizing diver's abnormal state, start urgency traffic equipment in time, it is simple to the position of the quick fixed location diving person in water life-saving center。
Fig. 1 is the block diagram of the first embodiment of the diver's status early warning system based on analysis of blood sugar of the present invention, described early warning system includes blood sugar test subsystem and AVR32 chip, described blood sugar test subsystem is for extracting the blood glucose level data of diver under water, described AVR32 chip is connected with described blood sugar test subsystem, determines whether to enter abnormity early warning pattern according to the extraction result of described blood sugar test subsystem。
Then, continue second embodiment based on diver's status early warning system of analysis of blood sugar of the present invention is further detailed。
Described early warning system includes: detecting electrode, is arranged on diver's head, the voltage variety that the neuron activity for detecting brain arrives cerebral cortex by ionic conduction and formed；Difference preamplifier, is connected with described detecting electrode, for described voltage variety is amplified；Low pass filter, is connected with described difference preamplifier, for the voltage variety after amplification is carried out 100Hz low-pass filtering, to export the first filtering signal；Two-stage power frequency notch filter, is connected with described low pass filter, for described first filtering signal is carried out two-stage notch filter process, to export notched signal。
Described early warning system includes: high pass filter, is connected with described two-stage power frequency notch filter, for described notched signal is carried out 0.1Hz high-pass filtering, to export the second filtering signal；Level adjustment circuit, is connected with described high pass filter, and described second filtering signal is carried out level adjustment process, thinks that subsequent A/D conversion is prepared；Analog to digital conversion circuit, is connected with described level adjustment circuit, and the second filtering signal after level adjustment processes carries out the analog digital conversion of 8, to obtain the brain wave digital signal of diver；Direct Digital Frequency Synthesizers, for producing frequency and sine wave signal that phase place can adjust uses being used as mixing as rf frequency source；Pulse-series generator, is used for producing pulse train。
Described early warning system includes: frequency mixer, is connected respectively with described Direct Digital Frequency Synthesizers and described pulse-series generator, adopts pulse train that sine wave signal is carried out mixed modulated；Power amplifier, is connected with described frequency mixer, for being amplified by the signal after mixed modulated；Switching Power Supply, is used as the interface circuit between probe and power amplifier, by the signal loading after amplification to the radio-frequency receiving-transmitting coil of probe；Nd-Fe-B permanent magnetic type magnet structure, produces a uniform static magnetic field of field intensity in the space holding diver's finger。
Described early warning system includes: probe, it is placed on diver's finger position, being wound around radio-frequency receiving-transmitting coil and send in described Nd-Fe-B permanent magnetic type magnet structure with the signal that will load, produce nmr phenomena, the deamplification being additionally operable to obtain after being resonated by Hydrogen Proton in diver's finger is sent；Waterproof case, is positioned on diving dress, for providing waterproofing protection for the electronic equipment in described early warning system；Warning screen, is arranged on diving dress arm position, is connected with AVR32 chip, is used for when receiving abnormality signal, display button call character, when receiving normal state signal, does not display operation；Emergency button, is arranged on diving dress arm position, is positioned at described warning screen side；By key driving apparatus, it is connected with described emergency button, for when the pressing operation received in described emergency button, sending power supply suppling signal。
Described early warning system includes: communication device for emergency, is arranged on diving dress arm position, is positioned at described warning screen side, for the call-information of diver is sent to the server place of administrative center of diving under water on the bank by communication link；Switch switching equipment, it is connected by key driving apparatus with described, when receiving described power supply suppling signal, open the interface channel between described independently-powered equipment and described communication device for emergency to keep the supply of electric power to described communication device for emergency of the described independently-powered equipment；Independently-powered equipment, with described warning screen, described by key driving apparatus, described switch switching equipment and described communication device for emergency be connected respectively, be only described warning screen, described by key driving apparatus, described switch switching equipment and described communication device for emergency provide supply of electric power。
Described early warning system includes: AVR32 chip, parallel port is adopted to be connected with analog-digital conversion circuit as described, for receiving brain wave digital signal, also it is connected to receive described deamplification with described probe, analyze the spectral line of described deamplification, and calculate wherein glucose proportion, thus obtain the blood sugar concentration of diver。
Wherein, described AVR32 chip is when there is α ripple and β ripple in described brain wave digital signal, export shallow sleep and identify signal, when described brain wave digital signal occurs θ ripple and δ ripple, output deep sleep identification signal, when described blood sugar concentration is when default blood glucose upper concentration, sends the too high identification signal of blood sugar concentration, when described blood sugar concentration is when default blood glucose least concentration, send the too low identification signal of blood sugar concentration。
Wherein, when AVR32 chip send shallow sleep identify signal, deep sleep identification signal, blood sugar concentration too high identification signal or blood sugar concentration too low identification signal time, AVR32 chip is simultaneously emitted by abnormality signal, and otherwise, AVR32 chip is simultaneously emitted by normal state signal。
Alternatively, in described state early warning system: the radio-frequency receiving-transmitting coil that described probe is wound around is the one in birdcage coil, toroidal winding, saddle-shaped coils, phased array coils and annulus；Described two-stage power frequency notch filter adopts bandpass filtering to offset mode and designs, for offsetting the power frequency component in described first filtering signal；Described power frequency component is 50Hz frequency component；And the frequency synthesis that Direct Digital Frequency Synthesizers adopts can be selected for the one in direct digital synthesizers, analog phase-locked look and digital phase-locked loop。
It addition, wave filter, as the term suggests, it is the device that ripple is filtered。" ripple " is a physical concept widely, and at electronic technology field, " ripple " is narrowly confined to refer in particular to the process of the value fluctuations in time describing various physical quantitys。The effect by various kinds of sensors of this process, is converted into the time function of voltage or electric current, is referred to as the time waveform of various physical quantity, or is referred to as signal。Because the independent variable time is continuous value, it is referred to as continuous time signal, is referred to as again analogue signal habitually。
Along with the generation of digital electronic computer technology with develop rapidly, for the ease of computer, signal is processed, create under sampling theorem instructs, continuous time signal is transformed into discrete-time signal complete theory and method。That is, only can express primary signal by original analog signal sample value on series of discrete time coordinate point and not lose any information, since what these concepts of ripple, waveform, signal were expressed is the change of various physical quantitys in objective world, it is exactly the carrier of the various information that modern society depends on for existence naturally。Information needs to propagate, and what lean on is exactly the transmission of waveshape signal。Signal its generation, conversion, transmission each link be likely to be due to the existence of environment and interference and distort, or even in quite a number of cases, this distortion is also very serious, causes that signal and entrained information thereof are embedded in the middle of noise dearly。In order to filter these noises, recover signal originally, it is necessary to use various wave filter to be filtered processing。
Adopt the diver's status early warning system based on analysis of blood sugar of the present invention, it is difficult to detect and lack the technical problem of diver's urgency traffic equipment for the physiological status under water of diver in prior art, high-precision blood glucose monitoring device and brain wave monitoring device is adopted the blood glucose of diver and each brain wave parameter to carry out detection in time and reports to the police, introduce physiological parameter early warning mechanism and urgency traffic mechanism, help underwater diver learn self abnormality in time and easily get in touch with the water life-saving center of outside。
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention。For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations。Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection。
Claims (6)
1. the diver's status early warning system based on analysis of blood sugar, described early warning system includes blood sugar test subsystem and AVR32 chip, described blood sugar test subsystem is for extracting the blood glucose level data of diver under water, described AVR32 chip is connected with described blood sugar test subsystem, determines whether to enter abnormity early warning pattern according to the extraction result of described blood sugar test subsystem。
2. the diver's status early warning system based on analysis of blood sugar as claimed in claim 1, it is characterised in that described early warning system includes:
Detecting electrode, is arranged on diver's head, the voltage variety that the neuron activity for detecting brain arrives cerebral cortex by ionic conduction and formed；
Difference preamplifier, is connected with described detecting electrode, for described voltage variety is amplified；
Low pass filter, is connected with described difference preamplifier, for the voltage variety after amplification is carried out 100Hz low-pass filtering, to export the first filtering signal；
Two-stage power frequency notch filter, is connected with described low pass filter, for described first filtering signal is carried out two-stage notch filter process, to export notched signal；
High pass filter, is connected with described two-stage power frequency notch filter, for described notched signal is carried out 0.1Hz high-pass filtering, to export the second filtering signal；
Level adjustment circuit, is connected with described high pass filter, and described second filtering signal is carried out level adjustment process, thinks that subsequent A/D conversion is prepared；
Analog to digital conversion circuit, is connected with described level adjustment circuit, and the second filtering signal after level adjustment processes carries out the analog digital conversion of 8, to obtain the brain wave digital signal of diver；
Direct Digital Frequency Synthesizers, for producing frequency and sine wave signal that phase place can adjust uses being used as mixing as rf frequency source；
Pulse-series generator, is used for producing pulse train；
Frequency mixer, is connected respectively with described Direct Digital Frequency Synthesizers and described pulse-series generator, adopts pulse train that sine wave signal is carried out mixed modulated；
Power amplifier, is connected with described frequency mixer, for being amplified by the signal after mixed modulated；
Switching Power Supply, is used as the interface circuit between probe and power amplifier, by the signal loading after amplification to the radio-frequency receiving-transmitting coil of probe；
Nd-Fe-B permanent magnetic type magnet structure, produces a uniform static magnetic field of field intensity in the space holding diver's finger；
Probe, is placed on diver's finger position, is wound around radio-frequency receiving-transmitting coil and sends in described Nd-Fe-B permanent magnetic type magnet structure with the signal that will load, produces nmr phenomena, and the deamplification being additionally operable to obtain after being resonated by Hydrogen Proton in diver's finger is sent；
Waterproof case, is positioned on diving dress, for providing waterproofing protection for the electronic equipment in described early warning system；
Warning screen, is arranged on diving dress arm position, is connected with AVR32 chip, is used for when receiving abnormality signal, display button call character, when receiving normal state signal, does not display operation；
Emergency button, is arranged on diving dress arm position, is positioned at described warning screen side；
By key driving apparatus, it is connected with described emergency button, for when the pressing operation received in described emergency button, sending power supply suppling signal；
Communication device for emergency, is arranged on diving dress arm position, is positioned at described warning screen side, for the call-information of diver is sent to the server place of administrative center of diving under water on the bank by communication link；
Switch switching equipment, it is connected by key driving apparatus with described, when receiving described power supply suppling signal, open the interface channel between described independently-powered equipment and described communication device for emergency to keep the supply of electric power to described communication device for emergency of the described independently-powered equipment；
Independently-powered equipment, with described warning screen, described by key driving apparatus, described switch switching equipment and described communication device for emergency be connected respectively, be only described warning screen, described by key driving apparatus, described switch switching equipment and described communication device for emergency provide supply of electric power；
AVR32 chip, adopts parallel port to be connected with analog-digital conversion circuit as described, is used for receiving brain wave digital signal, also it is connected to receive described deamplification with described probe, analyze the spectral line of described deamplification, and calculate wherein glucose proportion, thus obtaining the blood sugar concentration of diver；Described AVR32 chip is when there is α ripple and β ripple in described brain wave digital signal, export shallow sleep and identify signal, when described brain wave digital signal occurs θ ripple and δ ripple, output deep sleep identification signal, when described blood sugar concentration is when default blood glucose upper concentration, send the too high identification signal of blood sugar concentration, when described blood sugar concentration is when default blood glucose least concentration, send the too low identification signal of blood sugar concentration；
Wherein, when AVR32 chip send shallow sleep identify signal, deep sleep identification signal, blood sugar concentration too high identification signal or blood sugar concentration too low identification signal time, AVR32 chip is simultaneously emitted by abnormality signal, and otherwise, AVR32 chip is simultaneously emitted by normal state signal。
3. the diver's status early warning system based on analysis of blood sugar as claimed in claim 2, it is characterised in that:
The radio-frequency receiving-transmitting coil that described probe is wound around is the one in birdcage coil, toroidal winding, saddle-shaped coils, phased array coils and annulus。
4. the diver's status early warning system based on analysis of blood sugar as claimed in claim 2, it is characterised in that:
Described two-stage power frequency notch filter adopts bandpass filtering to offset mode and designs, for offsetting the power frequency component in described first filtering signal。
5. the diver's status early warning system based on analysis of blood sugar as claimed in claim 4, it is characterised in that:
Described power frequency component is 50Hz frequency component。
6. the diver's status early warning system based on analysis of blood sugar as claimed in claim 2, it is characterised in that:
The one in direct digital synthesizers, analog phase-locked look and digital phase-locked loop is selected in the frequency synthesis that Direct Digital Frequency Synthesizers adopts。
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| CN201610002072.9A CN105686802A (en) | 2016-01-02 | 2016-01-02 | A diver state pre-warning system based on blood glucose analysis |
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Application publication date: 20160622 |