CN105662363A - Diver underwater function detection method - Google Patents
Diver underwater function detection method Download PDFInfo
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- CN105662363A CN105662363A CN201610002148.8A CN201610002148A CN105662363A CN 105662363 A CN105662363 A CN 105662363A CN 201610002148 A CN201610002148 A CN 201610002148A CN 105662363 A CN105662363 A CN 105662363A
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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
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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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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention relates to a diver underwater function detection method. The method comprises the steps of providing a diver underwater function detection system, wherein the detection system comprises a pulse detection subsystem, an electrocardiogram detection subsystem and an MSP430 single chip microcomputer, the pulse detection subsystem is used for detecting the pulse state of an under diver, the electrocardiogram detection subsystem is used for detecting the electrocardiogram state of the underwater diver inside a cockpit, the MSP430 single chip microcomputer is connected with the pulse detection subsystem and the electrocardiogram detection subsystem and determines whether a body function abnormity alarm is given or not according to the detection result of the pulse detection subsystem and the electrocardiogram detection subsystem; 2, using the system.
Description
Technical field
The present invention relates to physical function detection field, particularly relate to a kind of diver's function detection method under water.
Background technology
Diver, is the professional worked under water, namely confirms that health qualified through medical inspection with selecting by regulation, obtains the professional being engaged in diving work of credentials through Professional knowledge and skill training.
The underwater operation of diver's burden common are: exploration under water, the work such as rescue, underwater salvage, under water teaching under water, due to working environment under water, and the also normal living environment of non-human under water, in the process worked under water, diver is easy to produce the change of various physiological parameter, the even fluctuation in emotion, these changes and fluctuation can be reflected in physiological parameter. Once diver's burst disease under water or paralepsy, the personal safety of diver be will result in strong influence, even result in diver time serious and be drowned.
As can be seen here, 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.
As can be seen here, prior art exists techniques below problem: (1) lacks effective diver physiological status under water detection equipment; (2) effective physiological parameter early warning mechanism is lacked; (3) the urgency communication passage that can promptly trigger and help diver and water life-saving Platform communication at hour of danger is lacked.
Therefore, the present invention proposes a kind of diver's function under water detection system, pulse signal and the ECG 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 being effectively prevented from the accident generation that diver is drowned.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of diver's function under water detection system, utilize targetedly, can be used for the pulse monitoring equipment of cramped construction under water and electrocardiogram monitoring device realizes the extraction of the pulse information to underwater diver and ECG information respectively, and alarm mechanism is triggered when exception, more crucially, when exception, trigger emergency talking path is easy to diver's use, as early as possible the present situation of oneself is informed water life-saving center, it is simple to rescue is quickly rushed towards at water life-saving center.
According to an aspect of the present invention, provide a kind of diver's function under water detection system, described detection system includes pulse detection subsystem, Electrocardiography subsystem and MSP430 single-chip microcomputer, described pulse detection subsystem is for detecting the pulse state of diver under water, described Electrocardiography subsystem is for detecting the electrocardio state of diver under water in driving cabin, described MSP430 single-chip microcomputer is connected respectively with described pulse detection subsystem and described Electrocardiography subsystem, testing result according to described pulse detection subsystem and described Electrocardiography subsystem determines whether to carry out physical function abnormal alarm.
More specifically, in the described diver system of function detection under water, including: waterproof case, it is positioned on diving dress, for providing waterproofing protection for the intrasystem electronic equipment of described detection; Warning screen, is arranged on diving dress arm position, is connected with MSP430 single-chip microcomputer, 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; First resistance, one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode; Second resistance, one end is connected with 5V power supply, and one end of the other end and the 3rd resistance connects; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for producing the reference voltage of 2.5V, the other end of its anode and the second resistance connects, and one end of negative terminal and the first electric capacity connects, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode; First electric capacity, other end ground connection; 4th resistance, one end is connected with the negative terminal of infrared-emitting diode; Second two-way operational amplifier, the other end of anode and the 4th resistance connects, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage; 5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Infrared-emitting diode, is arranged on diver ear blood capillary position, is used for launching infrared light, and the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on diver ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission diver ear blood capillary; Signal collecting device, including multiple medical electrode and multiple movement locus sensor, the plurality of medical electrode are separately positioned on multiple fixed positions at diver's body surface place, for extracting multiple voltages that diver's cardioelectric field produces respectively in multiple fixed positions at body surface place, each movement locus sensor is close to medical electrode and places, for extracting the drift electrocardio voltage signal that corresponding position diver produces because of breathing and human motion;Movement locus abatement apparatus, it is not connected with the plurality of medical electrode and the plurality of movement locus sensor, the drift electrocardio voltage signal summation that each voltage produced by each medical electrode produces with corresponding movement locus sensor, to obtain the target voltage of correspondence; Lead circuit, is connected with described movement locus abatement apparatus, is used for receiving multiple target voltage, calculates electrocardio voltage difference based on the plurality of target voltage and exports; Signal amplification circuit, is connected with the described circuit that leads, and is used for receiving described electrocardio voltage difference and described electrocardio voltage difference being amplified; Bandwidth-limited circuit, is connected with described signal amplification circuit, for the noise contribution in the electrocardio voltage difference after filtering amplification to obtain filtered electrical pressure reduction; Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for filtered electrical pressure reduction is carried out analog digital conversion, to obtain digitized voltage difference; Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of diver based on described digitized voltage difference; MSP430 single-chip microcomputer, extract circuit with the outfan of described second two-way operational amplifier and described electrocardiogram parameters to be connected respectively to obtain described pulse voltage, described sinus rate and described PR interval, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described sinus rate is outside default sinus rate scope, send sinus rate anomalous identification signal, when described PR is spaced in presetting outside PR interval, send PR interval anomalous identification signal; Wherein, when MSP430 single-chip microcomputer sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, MSP430 single-chip microcomputer is simultaneously emitted by abnormality signal, and otherwise, MSP430 single-chip microcomputer is simultaneously emitted by normal state signal; Described electrocardio voltage difference includes multiple voltage difference; First two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company.
More specifically, in the described diver system of function detection under water: during pulseless between infrared-emitting diode and infrared receiving diode, pulse voltage is 2.5V.
More specifically, in the described diver system of function detection under water: when there is, between infrared-emitting diode and infrared receiving diode, the pulse beated, blood vessels make ear's light transmission be deteriorated, and pulse voltage is more than 2.5V.
More specifically, in the described diver system of function detection under water: described communication device for emergency is ultrasonic communication equipment.
More specifically, in the described diver system of function detection under water: described communication device for emergency is sonar communication equipment.
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 diver's function under water detection system of the present invention.
Accompanying drawing labelling: 1 pulse detection subsystem; 2 Electrocardiography subsystems; 3MSP430 single-chip microcomputer
Detailed description of the invention
The embodiment that the diver of present invention function under water detects system below with reference to accompanying drawings is described in detail.
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.
Therefore, first have to build the auxiliary electronic equipment launched around the various physio-parameter detection of diver under water, each physiological parameter of diver is detected, also need to the mechanism carrying out reporting to the police when noting abnormalities simultaneously, and the mechanism of urgency traffic equipment is provided for diver, it is simple to external rescue strength can be set up with the diver being in trouble rapidly and contact. Obviously, technique scheme is lacked in the prior art.
For this, the present invention has built a kind of diver function under water detection system, adopt high-precision pulse monitoring equipment and electrocardiogram monitoring device that pulse and multiple electrocardiogram parameters 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, being easy to the position of the quick fixed location diving person in water life-saving center, effectively rescuing strength thus providing in time.
Fig. 1 is the block diagram of the first embodiment of diver's function under water detection system of the present invention, described detection system includes pulse detection subsystem, Electrocardiography subsystem and MSP430 single-chip microcomputer, described pulse detection subsystem is for detecting the pulse state of diver under water, described Electrocardiography subsystem is for detecting the electrocardio state of diver under water in driving cabin, described MSP430 single-chip microcomputer is connected respectively with described pulse detection subsystem and described Electrocardiography subsystem, testing result according to described pulse detection subsystem and described Electrocardiography subsystem determines whether to carry out physical function abnormal alarm.
Then, the second embodiment continuing the detection system of the diver's function under water to the present invention is further detailed.
Described detection system includes: waterproof case, is positioned on diving dress, for providing waterproofing protection for the intrasystem electronic equipment of described detection; Warning screen, is arranged on diving dress arm position, is connected with MSP430 single-chip microcomputer, is used for when receiving abnormality signal, display button call character, when receiving normal state signal, does not display operation.
Described detection system includes: 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.
Described detection system includes: 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 detection system includes: the first resistance, and one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode; Second resistance, one end is connected with 5V power supply, and one end of the other end and the 3rd resistance connects; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for producing the reference voltage of 2.5V, the other end of its anode and the second resistance connects, and one end of negative terminal and the first electric capacity connects, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode.
Described detection system includes: the first electric capacity, other end ground connection; 4th resistance, one end is connected with the negative terminal of infrared-emitting diode; Second two-way operational amplifier, the other end of anode and the 4th resistance connects, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage; 5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal.
Described detection system includes: infrared-emitting diode, is arranged on diver ear blood capillary position, is used for launching infrared light, and the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on diver ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission diver ear blood capillary; Signal collecting device, including multiple medical electrode and multiple movement locus sensor, the plurality of medical electrode are separately positioned on multiple fixed positions at diver's body surface place, for extracting multiple voltages that diver's cardioelectric field produces respectively in multiple fixed positions at body surface place, each movement locus sensor is close to medical electrode and places, for extracting the drift electrocardio voltage signal that corresponding position diver produces because of breathing and human motion.
Described detection system includes: movement locus abatement apparatus, it is not connected with the plurality of medical electrode and the plurality of movement locus sensor, the drift electrocardio voltage signal summation that each voltage produced by each medical electrode produces with corresponding movement locus sensor, to obtain the target voltage of correspondence; Lead circuit, is connected with described movement locus abatement apparatus, is used for receiving multiple target voltage, calculates electrocardio voltage difference based on the plurality of target voltage and exports; Signal amplification circuit, is connected with the described circuit that leads, and is used for receiving described electrocardio voltage difference and described electrocardio voltage difference being amplified.
Described detection system includes: bandwidth-limited circuit, is connected with described signal amplification circuit, for the noise contribution in the electrocardio voltage difference after filtering amplification to obtain filtered electrical pressure reduction; Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for filtered electrical pressure reduction is carried out analog digital conversion, to obtain digitized voltage difference; Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of diver based on described digitized voltage difference.
Described detection system includes: MSP430 single-chip microcomputer, extract circuit with the outfan of described second two-way operational amplifier and described electrocardiogram parameters to be connected respectively to obtain described pulse voltage, described sinus rate and described PR interval, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described sinus rate is outside default sinus rate scope, send sinus rate anomalous identification signal, when described PR is spaced in presetting outside PR interval, send PR interval anomalous identification signal.
Wherein, when MSP430 single-chip microcomputer sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, MSP430 single-chip microcomputer is simultaneously emitted by abnormality signal, and otherwise, MSP430 single-chip microcomputer is simultaneously emitted by normal state signal; Described electrocardio voltage difference includes multiple voltage difference; First two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company.
Alternatively, in described detection system: during pulseless between infrared-emitting diode and infrared receiving diode, pulse voltage is 2.5V; When there is, between infrared-emitting diode and infrared receiving diode, the pulse beated, blood vessels make ear's light transmission be deteriorated, and pulse voltage is more than 2.5V; Described communication device for emergency is ultrasonic communication equipment; And described communication device for emergency is chosen as sonar communication equipment.
It addition, analog-digital converter and A/D converter, or it is called for short ADC, it is common that refer to that analog-signal transitions is the electronic component of digital signal by one. Common analog-digital converter is the digital signal that an input voltage signal is converted to an output. Owing to digital signal itself does not have practical significance, it is merely representative of a relative size. Therefore any one analog-digital converter is required for one with reference to analog quantity as the standard changed, relatively common reference standard is maximum convertible signal magnitude. The digital quantity exported then represents the input signal size relative to reference signal.
The resolution of analog-digital converter refers to, for the analogue signal in allowed band, it can export the number of discrete digital signal value. These signal values store typically by binary number, and therefore resolution is through commonly using bit as unit, and the number of these centrifugal pumps is the power exponent of 2. Such as, analogue signal can be encoded into 256 different centrifugal pumps (because 2^8=256) by one analog-digital converter with 8 bit resolutions, from 0 to 255 (i.e. signless integers) or from-128 to 127 (i.e. signed integers), any as using, then depend on concrete application.
Adopt diver's function under water detection system 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, adopt high-precision pulse monitoring equipment and electrocardiogram monitoring device that pulse and each electrocardiogram parameters of diver are carried out detection in time and reported to the police, introduce physiological parameter early warning mechanism and urgency traffic mechanism, help underwater diver learn self abnormality in time and provide the chance quickly contacting foreign aid.
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. diver's function detection method under water, the method includes:
1) a kind of diver's function under water detection system is provided, described detection system includes pulse detection subsystem, Electrocardiography subsystem and MSP430 single-chip microcomputer, described pulse detection subsystem is for detecting the pulse state of diver under water, described Electrocardiography subsystem is for detecting the electrocardio state of diver under water in driving cabin, described MSP430 single-chip microcomputer is connected respectively with described pulse detection subsystem and described Electrocardiography subsystem, testing result according to described pulse detection subsystem and described Electrocardiography subsystem determines whether to carry out physical function abnormal alarm,
2) described system is used.
2. the method for claim 1, it is characterised in that described detection system includes:
Waterproof case, is positioned on diving dress, for providing waterproofing protection for the intrasystem electronic equipment of described detection;
Warning screen, is arranged on diving dress arm position, is connected with MSP430 single-chip microcomputer, 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;
First resistance, one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode;
Second resistance, one end is connected with 5V power supply, and one end of the other end and the 3rd resistance connects;
3rd resistance, other end ground connection, and there is the resistance identical with the second resistance;
First two-way operational amplifier, for producing the reference voltage of 2.5V, the other end of its anode and the second resistance connects, and one end of negative terminal and the first electric capacity connects, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode;
First electric capacity, other end ground connection;
4th resistance, one end is connected with the negative terminal of infrared-emitting diode;
Second two-way operational amplifier, the other end of anode and the 4th resistance connects, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage;
5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal;
Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal;
Infrared-emitting diode, is arranged on diver ear blood capillary position, is used for launching infrared light, and the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode;
Infrared receiving diode, is arranged on diver ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission diver ear blood capillary;
Signal collecting device, including multiple medical electrode and multiple movement locus sensor, the plurality of medical electrode are separately positioned on multiple fixed positions at diver's body surface place, for extracting multiple voltages that diver's cardioelectric field produces respectively in multiple fixed positions at body surface place, each movement locus sensor is close to medical electrode and places, for extracting the drift electrocardio voltage signal that corresponding position diver produces because of breathing and human motion;
Movement locus abatement apparatus, it is not connected with the plurality of medical electrode and the plurality of movement locus sensor, the drift electrocardio voltage signal summation that each voltage produced by each medical electrode produces with corresponding movement locus sensor, to obtain the target voltage of correspondence;
Lead circuit, is connected with described movement locus abatement apparatus, is used for receiving multiple target voltage, calculates electrocardio voltage difference based on the plurality of target voltage and exports;
Signal amplification circuit, is connected with the described circuit that leads, and is used for receiving described electrocardio voltage difference and described electrocardio voltage difference being amplified;
Bandwidth-limited circuit, is connected with described signal amplification circuit, for the noise contribution in the electrocardio voltage difference after filtering amplification to obtain filtered electrical pressure reduction;
Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for filtered electrical pressure reduction is carried out analog digital conversion, to obtain digitized voltage difference;
Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of diver based on described digitized voltage difference;
MSP430 single-chip microcomputer, extract circuit with the outfan of described second two-way operational amplifier and described electrocardiogram parameters to be connected respectively to obtain described pulse voltage, described sinus rate and described PR interval, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described sinus rate is outside default sinus rate scope, send sinus rate anomalous identification signal, when described PR is spaced in presetting outside PR interval, send PR interval anomalous identification signal;
Wherein, when MSP430 single-chip microcomputer sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, MSP430 single-chip microcomputer is simultaneously emitted by abnormality signal, and otherwise, MSP430 single-chip microcomputer is simultaneously emitted by normal state signal;
Wherein, described electrocardio voltage difference includes multiple voltage difference;
Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company.
3. method as claimed in claim 2, it is characterised in that:
Between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V.
4. method as claimed in claim 2, it is characterised in that:
When there is, between infrared-emitting diode and infrared receiving diode, the pulse beated, blood vessels make ear's light transmission be deteriorated, and pulse voltage is more than 2.5V.
5. method as claimed in claim 2, it is characterised in that:
Described communication device for emergency is ultrasonic communication equipment.
6. method as claimed in claim 2, it is characterised in that:
Described communication device for emergency is sonar communication equipment.
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102125428A (en) * | 2011-03-17 | 2011-07-20 | 中国人民解放军海军医学研究所 | Vital sign monitoring system for diver in underwater operation |
| CN202288250U (en) * | 2011-08-15 | 2012-07-04 | 厚美德生物科技股份有限公司 | Wireless transmission detecting device |
| CN203564221U (en) * | 2013-10-17 | 2014-04-30 | 成都芮腾科技有限公司 | Pickup device for pulse signals |
| CN105203767A (en) * | 2015-11-05 | 2015-12-30 | 张宏业 | Blood glucose detection method based on glucose meter |
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Application publication date: 20160615 |