CN105496380A - Human body health state judgment device - Google Patents
Human body health state judgment device Download PDFInfo
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- CN105496380A CN105496380A CN201610002437.8A CN201610002437A CN105496380A CN 105496380 A CN105496380 A CN 105496380A CN 201610002437 A CN201610002437 A CN 201610002437A CN 105496380 A CN105496380 A CN 105496380A
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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
- A61B5/02—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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
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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
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7465—Arrangements for interactive communication between patient and care services, e.g. by using a telephone network
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/20—Workers
- A61B2503/22—Motor vehicles operators, e.g. drivers, pilots, captains
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Abstract
The invention relates to a human body health state judgment device. The judgment device comprises health parameter extraction equipment, one-key communication equipment, spring driving equipment and a Freescale MC9S12 chip, wherein the health parameter extraction equipment is used for extracting body parameters of the driver in the cab of a bus; the Freescale MC9S12 chip is respectively connected with the health parameter extraction equipment, the one-key communication equipment and the spring driving equipment; and whether the spring driving equipment is controlled to provide the one-key communication equipment for passengers in the bus or not is determined according to the body parameters. According to the human body health state judgment device, an opportunity of call-out and alarm is provided to passengers when the body of the bus driver is not normal.
Description
Technical field
The present invention relates to healthy monitoring arts, particularly relate to a kind of health state judging device.
Background technology
Bus, city bus, i.e. bus or big bus are the typical vehicles of passenger vehicle apoplexy due to endogenous wind Large and medium buses, are for solving city and outskirts of a town transport and the commercial car that designs and equip specially.
Bus is from the angle of design and technical characteristic, different from the vehicle (as coach, sightseeing bus, private bus etc.) of other Large and medium buses, this vehicle is provided with passenger seat and stands and the passage of walking about for passenger, requirement area of standing is large, compartment internal channel and gateway is wide, two or more car door, pedal is low.If city-suburban bus, then owing to being mainly used in the passenger traffic between middle distance cities and towns, seat is some more compared with urban transit bus, also should have luggage compartment or luggage carrier.
In prior art, bus object itself is mainly concentrated on to the monitoring of bus, and to driving the driver of bus, corresponding monitoring means are limited, it is more the video monitoring to bus rider cabin, even if having some for the monitoring means of driver's cabin, also is mostly detections to the limited physical quantity such as cabin interior temperature, humidity, air pressure, lack the detection to the physiological status of driver, say nothing of and adopt when driver's abnormal state, notify the communication mechanism of passenger in time.
But in fact, the driving condition of driver is extremely important, on the one hand, driver's spirit hypertonicity or ill situation may be there is, if do not notify that other staff carry out rescuing and replacing driving, be easy to the economic loss caused casualties, on the other hand, also may occur the situation of driver's dangerous driving, at this moment the physiological parameter of driver there will be some omens usually.
As can be seen here, there is following technical problem in prior art: (1) lacks effective driver's physiological status checkout equipment; (2) effective physiological parameter early warning mechanism is lacked; (3) shortage promptly can trigger at hour of danger and help passenger and bus operation centre to set up the urgency communication passage contacted.
Therefore, the present invention proposes a kind of health state judging device, pulse signal and the ECG signal of the driver of steering position can be understood in time, abnormal once appearance, urgency communication mechanism can be started with the assistance helping passenger to seek place of bus operation centre, thus effectively avoid spreading of bus accident.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of health state judging device, utilize targetedly, can be used for the extraction that the pulse monitoring equipment of the cramped construction of bus driver's cabin and electrocardiogram watch-dog realize pulse information to the driver of steering position and ECG information respectively, and trigger alarm is machine-processed when exception, more crucially, the triggering passenger urgency traffic passage when exception, help passenger to relate to external assistance as early as possible, avoid serious vehicle accident to occur.
According to an aspect of the present invention, provide a kind of health state judging device, described judgment means comprises health parameters extraction equipment, push to talk communication equipment, Spring driving equipment and Freescale MC9S12 chip, described health parameters extraction equipment is used for extracting the body parameter of the driver in bus driver's cabin, described Freescale MC9S12 chip and described health parameters extraction equipment, described push to talk communication equipment is connected respectively with described Spring driving equipment, determine whether to control described Spring driving equipment for the passenger in bus according to the body parameter extracted and described push to talk communication equipment is provided.
More specifically, in described health state judging device, comprise: push to talk communication equipment, comprise assignment key and wireless communication interface, described assignment key is used for when external staff presses, automatically open described wireless communication interface to receive the call-information of external staff, described wireless communication interface is used for the server of the operation management center call-information of external staff being sent to far-end by wireless communication link; Spring structure, maintains on described push to talk communication equipment; Spring driving equipment, be connected respectively with Freescale MC9S12 chip and spring structure, for when receiving abnormality signal, flick described spring structure to be pushed from bus compartment envelope deep inside by described push to talk communication equipment, when receiving normal state signal, the described spring structure that bounces back is to be retracted to bus compartment envelope deep inside by described push to talk communication equipment; Supply of electric power switch, be connected respectively with Freescale MC9S12 chip, push to talk communication equipment and independently-powered equipment, for when receiving abnormality signal, recover the supply of electric power of described independently-powered equipment to described push to talk communication equipment, when receiving normal state signal, disconnect the supply of electric power of described independently-powered equipment to described push to talk communication equipment; Independently-powered equipment, is connected respectively with described push to talk communication equipment, described Spring driving equipment and described supply of electric power switch, is only described push to talk communication equipment, described Spring driving equipment and described supply of electric power switch and provides 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 the other end is connected with one end of the 3rd resistance; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, 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, anode is connected with the other end of the 4th resistance, 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 bus driver ear blood capillary position, and for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on bus driver ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission bus driver ear blood capillary; Signal collecting device, comprise multiple medical electrode and multiple movement locus sensor, described multiple medical electrode are separately positioned on multiple fixed positions at bus driver's body surface place, for extracting multiple voltages that bus driver'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 bus driver produces because of breathing and human motion; Movement locus abatement apparatus, be not connected with described multiple medical electrode and described multiple movement locus sensor, the drift electrocardio voltage signal that each voltage produced by each medical electrode and corresponding movement locus sensor produce is sued for peace, to obtain corresponding target voltage; Lead circuit, is connected with described movement locus abatement apparatus, for receiving multiple target voltage, calculating electrocardio voltage difference based on described multiple target voltage and exporting; Signal amplification circuit, is connected with the described circuit that leads, for receiving described electrocardio voltage difference and amplifying described electrocardio voltage difference; Bandwidth-limited circuit, is connected with described signal amplification circuit, and the noise contribution in the electrocardio voltage difference after amplifying for filtering is to obtain filtered electrical pressure reduction; Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for carrying out analog digital conversion to filtered electrical pressure reduction, to obtain digitized voltage difference; Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of bus driver based on described digitized voltage difference; Freescale MC9S12 chip, 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 being interposed between when between described PR outside default PR interval, send PR interval anomalous identification signal; Wherein, described electrocardio voltage difference comprises multiple voltage difference; Between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V, and when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than 2.5V; First two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company; When Freescale MC9S12 chip sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, Freescale MC9S12 chip sends abnormality signal simultaneously, otherwise Freescale MC9S12 chip sends normal state signal simultaneously.
More specifically, in described health state judging device: described independently-powered equipment is solar storage battery.
More specifically, in described health state judging device: described wireless communication interface is GPRS mobile communication interface.
More specifically, in described health state judging device: described wireless communication interface is 3G mobile communication interface.
More specifically, in described health state judging device: described wireless communication interface is 4G mobile communication interface.
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 health state judging device of the present invention.
Reference numeral: 1 health parameters extraction equipment; 2 push to talk communication equipment; 3 Spring driving equipment; 4 Freescale MC9S12 chips
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of health state judging device of the present invention is described in detail.
The origin of public transport at least can trace back to 1826.A retired officer founded flour milling mill in Nan Te (Nantes) suburbs of the French northwestward at that time, and the hot water of being discharged by steam engine is had a bath for people and builds public outdoor bathing place, and provides intown carriage service of plugging into.When he discovery people on the way can use his stage carriage, just founding the passenger vehicle route shuttled back and forth between hotel, allowing passenger and mail in freely using on the way.Paris is the leading city of bus, and London then.
On July 4th, 1829, the bus (Omnibus) of Englishman GeorgeShillibeer comes across street corner, London, Bai Dingdun Paddington and bank area is come and gone along newly-built " new road " (NewRoad), stop over Yorkshire YorkshireStingo, every day 4 classes, each direction.Less than 10 years, this service France, Britain and the U.S. each big city of bank, east (as Paris, Lyons, London, New York) were popularized.
Current, bus has been widely used in each city of countries in the world.In the driving process of bus, the state particular importance of driver, if the situation of psychological problem appears in driver, or there is ill situation in driver, all can affect the normal traveling of bus, and severe vehicle accident can be caused time serious to occur.And in prior art, there is not equipment and mechanism that bus driver's physiological status is detected.
For this reason, the present invention has built a kind of health state judging device, high-precision pulse monitoring equipment and electrocardiogram watch-dog is adopted to detect in time the pulse of driver and electrocardiogram parameters and report to the police, and when recognizing driver's abnormal state, timely startup urgency traffic equipment, be convenient to the transport condition that passenger understands current bus fast, fast-escape or wait for rescue.
Fig. 1 is the block diagram of the first embodiment of health state judging device of the present invention, described judgment means comprises health parameters extraction equipment, push to talk communication equipment, Spring driving equipment and Freescale MC9S12 chip, described health parameters extraction equipment is used for extracting the body parameter of the driver in bus driver's cabin, described Freescale MC9S12 chip and described health parameters extraction equipment, described push to talk communication equipment is connected respectively with described Spring driving equipment, determine whether to control described Spring driving equipment for the passenger in bus according to the body parameter extracted and described push to talk communication equipment is provided.
Then, continue to be further detailed the concrete structure of the second embodiment of health state judging device of the present invention.
Described judgment means comprises: push to talk communication equipment, comprise assignment key and wireless communication interface, described assignment key is used for when external staff presses, automatically open described wireless communication interface to receive the call-information of external staff, described wireless communication interface is used for the server of the operation management center call-information of external staff being sent to far-end by wireless communication link; Spring structure, maintains on described push to talk communication equipment; Spring driving equipment, be connected respectively with Freescale MC9S12 chip and spring structure, for when receiving abnormality signal, flick described spring structure to be pushed from bus compartment envelope deep inside by described push to talk communication equipment, when receiving normal state signal, the described spring structure that bounces back is to be retracted to bus compartment envelope deep inside by described push to talk communication equipment.
Described judgment means comprises: supply of electric power switch, be connected respectively with Freescale MC9S12 chip, push to talk communication equipment and independently-powered equipment, for when receiving abnormality signal, recover the supply of electric power of described independently-powered equipment to described push to talk communication equipment, when receiving normal state signal, disconnect the supply of electric power of described independently-powered equipment to described push to talk communication equipment; Independently-powered equipment, is connected respectively with described push to talk communication equipment, described Spring driving equipment and described supply of electric power switch, is only described push to talk communication equipment, described Spring driving equipment and described supply of electric power switch and provides supply of electric power.
Described judgment means comprises: 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 the other end is connected with one end of the 3rd resistance; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, 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, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage.
Described judgment means comprises: the 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 bus driver ear blood capillary position, and for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on bus driver ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission bus driver ear blood capillary.
Described judgment means comprises: signal collecting device, comprise multiple medical electrode and multiple movement locus sensor, described multiple medical electrode are separately positioned on multiple fixed positions at bus driver's body surface place, for extracting multiple voltages that bus driver'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 bus driver produces because of breathing and human motion; Movement locus abatement apparatus, be not connected with described multiple medical electrode and described multiple movement locus sensor, the drift electrocardio voltage signal that each voltage produced by each medical electrode and corresponding movement locus sensor produce is sued for peace, to obtain corresponding target voltage.
Described judgment means comprises: lead circuit, is connected with described movement locus abatement apparatus, for receiving multiple target voltage, calculating electrocardio voltage difference based on described multiple target voltage and exporting; Signal amplification circuit, is connected with the described circuit that leads, for receiving described electrocardio voltage difference and amplifying described electrocardio voltage difference; Bandwidth-limited circuit, is connected with described signal amplification circuit, and the noise contribution in the electrocardio voltage difference after amplifying for filtering is to obtain filtered electrical pressure reduction; Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for carrying out analog digital conversion to filtered electrical pressure reduction, to obtain digitized voltage difference; Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of bus driver based on described digitized voltage difference.
Described judgment means comprises: Freescale MC9S12 chip, 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 being interposed between when between described PR outside default PR interval, send PR interval anomalous identification signal.
Wherein, described electrocardio voltage difference comprises multiple voltage difference; Between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V, and when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than 2.5V; First two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company.
Wherein, when Freescale MC9S12 chip sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, Freescale MC9S12 chip sends abnormality signal simultaneously, otherwise Freescale MC9S12 chip sends normal state signal simultaneously.
Alternatively, in described judgment means: described independently-powered equipment is solar storage battery; Described wireless communication interface is GPRS mobile communication interface; Described wireless communication interface is 3G mobile communication interface; And described wireless communication interface is chosen as 4G mobile communication interface.
In addition, analog-digital converter and A/D converter, or be called for short ADC, typically referring to one by analog-signal transitions is the electronic component of digital signal.Common analog-digital converter an input voltage signal is converted to a digital signal exported.Because digital signal itself does not have practical significance, only represent a relative size.Therefore any one analog-digital converter all needs one with reference to the standard of analog quantity as conversion, more common reference standard is maximum convertible signal magnitude.The digital quantity exported then represents the size of input signal 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 with binary number usually, and therefore resolution is through commonly using bit as unit, and the number of these centrifugal pumps is power exponents of 2.Such as, analogue signal can be encoded into 256 different centrifugal pumps (because 2^8=256) by 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 use, then depend on concrete application.
Adopt health state judging device of the present invention, be difficult to detect and lack the technical problem of passenger's urgency traffic equipment for bus driver's physiological status in prior art, high-precision pulse monitoring equipment and electrocardiogram watch-dog is adopted to detect in time the pulse of bus driver and electrocardiogram parameters and report to the police, introduce physiological parameter early warning mechanism and urgency traffic mechanism, the abnormality of driver is also set up further and the call of bus operation centre contacts to help passenger to learn, thus improves the controllability of bus.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (2)
1. a health state judging device, described judgment means comprises health parameters extraction equipment, push to talk communication equipment, Spring driving equipment and Freescale MC9S12 chip, described health parameters extraction equipment is used for extracting the body parameter of the driver in bus driver's cabin, described Freescale MC9S12 chip and described health parameters extraction equipment, described push to talk communication equipment is connected respectively with described Spring driving equipment, determine whether to control described Spring driving equipment for the passenger in bus according to the body parameter extracted and described push to talk communication equipment is provided.
2. health state judging device as claimed in claim 1, it is characterized in that, described judgment means comprises:
Push to talk communication equipment, comprise assignment key and wireless communication interface, described assignment key is used for when external staff presses, automatically open described wireless communication interface to receive the call-information of external staff, described wireless communication interface is used for the server of the operation management center call-information of external staff being sent to far-end by wireless communication link;
Spring structure, maintains on described push to talk communication equipment;
Spring driving equipment, be connected respectively with Freescale MC9S12 chip and spring structure, for when receiving abnormality signal, flick described spring structure to be pushed from bus compartment envelope deep inside by described push to talk communication equipment, when receiving normal state signal, the described spring structure that bounces back is to be retracted to bus compartment envelope deep inside by described push to talk communication equipment;
Supply of electric power switch, be connected respectively with Freescale MC9S12 chip, push to talk communication equipment and independently-powered equipment, for when receiving abnormality signal, recover the supply of electric power of described independently-powered equipment to described push to talk communication equipment, when receiving normal state signal, disconnect the supply of electric power of described independently-powered equipment to described push to talk communication equipment;
Independently-powered equipment, is connected respectively with described push to talk communication equipment, described Spring driving equipment and described supply of electric power switch, is only described push to talk communication equipment, described Spring driving equipment and described supply of electric power switch and provides 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 the other end is connected with one end of the 3rd resistance;
3rd resistance, other end ground connection, and there is the resistance identical with the second resistance;
First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, 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, anode is connected with the other end of the 4th resistance, 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 bus driver ear blood capillary position, and for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode;
Infrared receiving diode, is arranged on bus driver ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission bus driver ear blood capillary;
Signal collecting device, comprise multiple medical electrode and multiple movement locus sensor, described multiple medical electrode are separately positioned on multiple fixed positions at bus driver's body surface place, for extracting multiple voltages that bus driver'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 bus driver produces because of breathing and human motion;
Movement locus abatement apparatus, be not connected with described multiple medical electrode and described multiple movement locus sensor, the drift electrocardio voltage signal that each voltage produced by each medical electrode and corresponding movement locus sensor produce is sued for peace, to obtain corresponding target voltage;
Lead circuit, is connected with described movement locus abatement apparatus, for receiving multiple target voltage, calculating electrocardio voltage difference based on described multiple target voltage and exporting;
Signal amplification circuit, is connected with the described circuit that leads, for receiving described electrocardio voltage difference and amplifying described electrocardio voltage difference;
Bandwidth-limited circuit, is connected with described signal amplification circuit, and the noise contribution in the electrocardio voltage difference after amplifying for filtering is to obtain filtered electrical pressure reduction;
Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for carrying out analog digital conversion to filtered electrical pressure reduction, to obtain digitized voltage difference;
Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of bus driver based on described digitized voltage difference;
Freescale MC9S12 chip, 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 being interposed between when between described PR outside default PR interval, send PR interval anomalous identification signal;
Wherein, described electrocardio voltage difference comprises multiple voltage difference;
Wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V, and when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than 2.5V;
Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company;
Wherein, when Freescale MC9S12 chip sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, Freescale MC9S12 chip sends abnormality signal simultaneously, otherwise Freescale MC9S12 chip sends normal state signal simultaneously;
Described independently-powered equipment is solar storage battery;
Described wireless communication interface is GPRS mobile communication interface.
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