CN105534533A - Push-button high-speed rail conductor state detection system - Google Patents
Push-button high-speed rail conductor state detection system Download PDFInfo
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- CN105534533A CN105534533A CN201610002474.9A CN201610002474A CN105534533A CN 105534533 A CN105534533 A CN 105534533A CN 201610002474 A CN201610002474 A CN 201610002474A CN 105534533 A CN105534533 A CN 105534533A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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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
- A61B5/369—Electroencephalography [EEG]
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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
- A61B5/6814—Head
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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
- A61B5/72—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
- A61B5/74—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
Abstract
The invention relates to a push-button high-speed rail conductor state detection system. The detection system comprises a brain wave monitoring subsystem, a blood oxygen monitoring subsystem and embedded treatment equipment; the brain wave monitoring subsystem is used for monitoring the brain wave state of a conductor in a high-speed rail cockpit, the blood oxygen monitoring subsystem is used for monitoring the blood oxygen saturation degree of the conductor in the high-speed rail cockpit, and the embedded treatment equipment is connected with the brain wave monitoring subsystem and the blood oxygen monitoring subsystem and determines whether the detection system enters an alarm mode according to monitoring results of the brain wave monitoring subsystem and the blood oxygen monitoring subsystem. According to the detection system, an escape opportunity can be supplied to high-speed rail passengers according to the detection results of brain wave parameters and the blood oxygen saturation degree of the conductor driving a high-speed rail.
Description
Technical field
The present invention relates to medical detection field, particularly relate to a kind of button high ferro vehicle commander condition detecting system.
Background technology
Although high ferro travels on the ground, but its speed is that on ground, the various vehicles are the highest, once meet accident, its consequence is beyond imagination equally.Therefore the vehicle commander driving high ferro needs to do some training very often and keeps the absorbed power of height.But the situation that vehicle commander also there will be abnormal state occurs, and have subjective factor, also have objective factor, this abnormality all can occur some omens in physiological parameter.And in prior art, do not have the detection scheme of these omens, say nothing of after detecting omen in time for passenger provides the urgency traffic mechanism contacted with the external world.
For this reason, the present invention proposes a kind of button high ferro vehicle commander condition detecting system, high-precision blood Monitoring Oxygen Ventilation equipment and brain wave watch-dog is adopted to detect in time the blood oxygen saturation of high ferro vehicle commander and brain wave parameter and report to the police, and when recognizing high ferro vehicle commander physiological status and being abnormal, automatically for passenger starts urgency traffic mechanism, high ferro operation department is helped to understand high ferro traffic-operating period in time.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of button high ferro vehicle commander condition detecting system, utilize targetedly, can be used for the extraction that the blood Monitoring Oxygen Ventilation equipment of the cramped construction of high ferro driving cabin and brain wave watch-dog realize blood oxygen saturation to the vehicle commander of steering position and brain wave information respectively, and when exception trigger alarm mechanism and passenger's urgency traffic mechanism, avoid high ferro to occur occurring with the extraneous not smooth situation that communicates.
According to an aspect of the present invention, provide a kind of button high ferro vehicle commander condition detecting system, described detection system comprises brain wave Monitor And Control Subsystem, blood Monitoring Oxygen Ventilation subsystem and embedded processing equipment, described brain wave Monitor And Control Subsystem is used for the brain wave monitoring state to the vehicle commander in high ferro driving cabin, described blood Monitoring Oxygen Ventilation subsystem is used for monitoring the blood oxygen saturation of the vehicle commander in high ferro driving cabin, described embedded processing equipment is connected respectively with described brain wave Monitor And Control Subsystem and described blood Monitoring Oxygen Ventilation subsystem, monitored results according to described brain wave Monitor And Control Subsystem and described blood Monitoring Oxygen Ventilation subsystem determines whether to enter alarm mode.
More specifically, in described button high ferro vehicle commander condition detecting system, comprising: warning screen, with embedded processing equipment connection, for when receiving abnormality signal, display button call character, when receiving normal state signal, do not carry out display operation; Emergency button, is arranged on the body of high ferro passenger compartment cabin, is positioned at described warning screen side; By key driving apparatus, being connected with described emergency button, for when receiving the pressing operation in described emergency button, sending power supply suppling signal; Wireless Telecom Equipment, is arranged on the body of high ferro passenger compartment cabin, is positioned at described warning screen side, for the call-information of external staff to be sent to the server at the place of high ferro administrative center of far-end by wireless communication link; Switching over equipment, be connected by key driving apparatus with described, when receiving described power supply suppling signal, open interface channel between described independently-powered equipment and described Wireless Telecom Equipment to keep described independently-powered equipment to the supply of electric power of described Wireless Telecom Equipment; Independently-powered equipment, with described warning screen, to be describedly connected respectively by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment, to be only described warning screen, describedly to provide supply of electric power by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment; Detecting electrode, is arranged on vehicle commander'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 amplifying described voltage variety; 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 carrying out the process of two-stage notch filter, to export notched signal to described first filtering signal; High pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high-pass filtering to described notched signal, to export the second filtering signal; Level adjustment circuit, is connected with described high pass filter, carries out level adjustment process to described second filtering signal, thinks that subsequent A/D conversion is prepared; First analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analog digital conversion of 8, to obtain the brain wave digital signal of vehicle commander; Light emitting diode, is arranged on vehicle commander's finger fingertip blood capillary position, is connected with light source driving circuit, for the LED control signal sent based on light source driving circuit, and alternate emission infrared light and HONGGUANG; Light source driving circuit, built-in timer, for sending LED control signal to described light emitting diode; Optical-electrical converter, be arranged on vehicle commander's finger fingertip, be positioned at the relative position of described light emitting diode, for receiving the infrared light after transmission vehicle commander finger fingertip blood capillary and HONGGUANG, and transmitted infrared light and transmit red light are converted to analog current signal respectively, to obtain simulation infrared light electric current and simulation HONGGUANG electric current; Current-to-voltage converting circuit, is connected with described optical-electrical converter, for carrying out current/voltage conversion respectively to simulation infrared light electric current and simulation HONGGUANG electric current, to obtain simulation infrared light voltage and simulation red voltages respectively; Signal amplifier, is connected with described current-to-voltage converting circuit, for amplifying respectively with simulation red voltages simulation infrared light voltage, amplifies voltage to obtain simulation infrared light amplification voltage and to simulate HONGGUANG; Signal deteching circuit, be connected with described signal amplifier, comprise direct current signal and detect electronic circuit and alternating current signal detection electronic circuit, for detecting flip-flop in simulation infrared light voltage and alternating component, to export as the first DC voltage and the first alternating voltage, also for detecting flip-flop in simulation red voltages and alternating component, to export as the second DC voltage and the second alternating voltage; Second analog-digital converter, be connected with described signal deteching circuit, for carrying out analog digital conversion respectively to the first DC voltage, the first alternating voltage, the second DC voltage and the second alternating voltage, to obtain the first Digital DC voltage, the first Digital AC voltage, the second Digital DC voltage and the second Digital AC voltage; Blood oxygen saturation computing circuit, be connected with described second analog-digital converter, by the ratio of the second Digital AC voltage and the second Digital DC voltage divided by the ratio of the first Digital AC voltage and the first Digital DC voltage to obtain the absorbing light ratio factor, and calculate blood oxygen saturation based on the absorbing light ratio factor, wherein, blood oxygen saturation and the absorbing light ratio factor linear; Embedded processing equipment, is connected to obtain blood oxygen saturation with described blood oxygen saturation computing circuit, is connected to receive brain wave digital signal with described first analog to digital conversion circuit; When there is α ripple and β ripple in described brain wave digital signal in described embedded processing equipment, export shallow sleep identification signal, when there is θ ripple and δ ripple in described brain wave digital signal, export deep sleep identification signal, when described blood oxygen saturation is at default blood oxygen saturation upper concentration, send the too high identification signal of blood oxygen saturation, when described blood oxygen saturation is at default blood oxygen saturation least concentration, send the too low identification signal of blood oxygen saturation; Wherein, when embedded processing equipment sends the too low identification signal of shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood oxygen saturation or blood oxygen saturation, embedded processing equipment sends abnormality signal simultaneously, otherwise embedded processing equipment sends normal state signal simultaneously.
More specifically, in described button high ferro vehicle commander condition detecting system: described optical-electrical converter is a photodiode.
More specifically, in described button high ferro vehicle commander condition detecting system: the wavelength of the infrared light that described light emitting diode is launched is 940nm, the wavelength of the HONGGUANG that described light emitting diode is launched is 660nm.
More specifically, in described button high ferro vehicle commander condition detecting system: go back signalization filter circuit between described signal amplifier and described signal deteching circuit, amplify voltage for difference filtering simulation infrared light and simulate the noise contribution in HONGGUANG amplification voltage.
More specifically, in described button high ferro vehicle commander condition detecting system: described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, for offsetting the power frequency component in described first filtering signal.
More specifically, in described button high ferro vehicle commander condition detecting system: described power frequency component is 50Hz frequency component.
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 button high ferro vehicle commander condition detecting system of the present invention.
Reference numeral: 1 brain wave Monitor And Control Subsystem; 2 blood Monitoring Oxygen Ventilation subsystems; 3 embedded processing equipment
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of button high ferro vehicle commander condition detecting system of the present invention is described in detail.
At present, high ferro object itself is mainly concentrated on to the monitoring of high ferro, and for driving the vehicle commander of high ferro, corresponding monitoring means are limited, are more the video monitorings to high ferro passenger compartment, 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, air pressure, lack the detection to the physiological status of vehicle commander, say nothing of and adopt when vehicle commander's abnormal state, notify the communication mechanism of the personnel of passenger compartment in time.
And in the prior art, the passenger compartment at vehicle commander place driving cabin and passenger place is usually by driving cabin locking position, and the driving condition passenger of vehicle commander lacks passage and goes to learn, when unusual condition appears in driving cabin, the personnel of passenger compartment know nothing at all.
For this reason; the present invention has built a kind of button high ferro vehicle commander condition detecting system; blood oxygen saturation and each brain wave parameter of the high ferro vehicle commander of steering position can be understood in time; abnormal once appearance; early warning can be carried out immediately; simultaneously start urgency communication mechanism in passenger compartment fast to help high ferro operation management platform to understand Crisis Information in time with key mode, take emergency measures rapidly, avoid the further expansion of the state of affairs.
Fig. 1 is the block diagram of the first embodiment of button high ferro vehicle commander condition detecting system of the present invention, described detection system comprises brain wave Monitor And Control Subsystem, blood Monitoring Oxygen Ventilation subsystem and embedded processing equipment, described brain wave Monitor And Control Subsystem is used for the brain wave monitoring state to the vehicle commander in high ferro driving cabin, described blood Monitoring Oxygen Ventilation subsystem is used for monitoring the blood oxygen saturation of the vehicle commander in high ferro driving cabin, described embedded processing equipment is connected respectively with described brain wave Monitor And Control Subsystem and described blood Monitoring Oxygen Ventilation subsystem, monitored results according to described brain wave Monitor And Control Subsystem and described blood Monitoring Oxygen Ventilation subsystem determines whether to enter alarm mode.
Then, continue to be further detailed the second embodiment of button high ferro vehicle commander condition detecting system of the present invention.
Described detection system comprises: warning screen, and with embedded processing equipment connection, for when receiving abnormality signal, display button call character, when receiving normal state signal, does not carry out display operation; Emergency button, is arranged on the body of high ferro passenger compartment cabin, is positioned at described warning screen side; By key driving apparatus, being connected with described emergency button, for when receiving the pressing operation in described emergency button, sending power supply suppling signal.
Described detection system comprises: Wireless Telecom Equipment, is arranged on the body of high ferro passenger compartment cabin, is positioned at described warning screen side, for the call-information of external staff to be sent to the server at the place of high ferro administrative center of far-end by wireless communication link; Switching over equipment, be connected by key driving apparatus with described, when receiving described power supply suppling signal, open interface channel between described independently-powered equipment and described Wireless Telecom Equipment to keep described independently-powered equipment to the supply of electric power of described Wireless Telecom Equipment; Independently-powered equipment, with described warning screen, to be describedly connected respectively by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment, to be only described warning screen, describedly to provide supply of electric power by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment.
Described detection system comprises: detecting electrode, is arranged on vehicle commander'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 amplifying described voltage variety; 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 carrying out the process of two-stage notch filter, to export notched signal to described first filtering signal; High pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high-pass filtering to described notched signal, to export the second filtering signal.
Described detection system comprises: level adjustment circuit, is connected with described high pass filter, carries out level adjustment process to described second filtering signal, thinks that subsequent A/D conversion is prepared; First analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analog digital conversion of 8, to obtain the brain wave digital signal of vehicle commander; Light emitting diode, is arranged on vehicle commander's finger fingertip blood capillary position, is connected with light source driving circuit, for the LED control signal sent based on light source driving circuit, and alternate emission infrared light and HONGGUANG.
Described detection system comprises: light source driving circuit, built-in timer, for sending LED control signal to described light emitting diode; Optical-electrical converter, be arranged on vehicle commander's finger fingertip, be positioned at the relative position of described light emitting diode, for receiving the infrared light after transmission vehicle commander finger fingertip blood capillary and HONGGUANG, and transmitted infrared light and transmit red light are converted to analog current signal respectively, to obtain simulation infrared light electric current and simulation HONGGUANG electric current; Current-to-voltage converting circuit, is connected with described optical-electrical converter, for carrying out current/voltage conversion respectively to simulation infrared light electric current and simulation HONGGUANG electric current, to obtain simulation infrared light voltage and simulation red voltages respectively.
Described detection system comprises: signal amplifier, is connected with described current-to-voltage converting circuit, for amplifying respectively with simulation red voltages simulation infrared light voltage, amplifies voltage to obtain simulation infrared light amplification voltage and to simulate HONGGUANG; Signal deteching circuit, be connected with described signal amplifier, comprise direct current signal and detect electronic circuit and alternating current signal detection electronic circuit, for detecting flip-flop in simulation infrared light voltage and alternating component, to export as the first DC voltage and the first alternating voltage, also for detecting flip-flop in simulation red voltages and alternating component, to export as the second DC voltage and the second alternating voltage.
Described detection system comprises: the second analog-digital converter, be connected with described signal deteching circuit, for carrying out analog digital conversion respectively to the first DC voltage, the first alternating voltage, the second DC voltage and the second alternating voltage, to obtain the first Digital DC voltage, the first Digital AC voltage, the second Digital DC voltage and the second Digital AC voltage.
Described detection system comprises: blood oxygen saturation computing circuit, be connected with described second analog-digital converter, by the ratio of the second Digital AC voltage and the second Digital DC voltage divided by the ratio of the first Digital AC voltage and the first Digital DC voltage to obtain the absorbing light ratio factor, and calculate blood oxygen saturation based on the absorbing light ratio factor, wherein, blood oxygen saturation and the absorbing light ratio factor linear.
Described detection system comprises: embedded processing equipment, is connected to obtain blood oxygen saturation with described blood oxygen saturation computing circuit, is connected to receive brain wave digital signal with described first analog to digital conversion circuit; When there is α ripple and β ripple in described brain wave digital signal in described embedded processing equipment, export shallow sleep identification signal, when there is θ ripple and δ ripple in described brain wave digital signal, export deep sleep identification signal, when described blood oxygen saturation is at default blood oxygen saturation upper concentration, send the too high identification signal of blood oxygen saturation, when described blood oxygen saturation is at default blood oxygen saturation least concentration, send the too low identification signal of blood oxygen saturation.
Wherein, when embedded processing equipment sends the too low identification signal of shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood oxygen saturation or blood oxygen saturation, embedded processing equipment sends abnormality signal simultaneously, otherwise embedded processing equipment sends normal state signal simultaneously.
Alternatively, in described detection system: described optical-electrical converter is a photodiode; The wavelength of the infrared light that described light emitting diode is launched is 940nm, and the wavelength of the HONGGUANG that described light emitting diode is launched is 660nm; Between described signal amplifier and described signal deteching circuit, go back signalization filter circuit, amplify voltage for difference filtering simulation infrared light and simulate the noise contribution in HONGGUANG amplification voltage; Described two-stage power frequency notch filter can adopt bandpass filtering to offset patten's design, for offsetting the power frequency component in described first filtering signal; And described power frequency component is chosen as 50Hz frequency component.
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, he 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 button high ferro vehicle commander condition detecting system of the present invention, for lacking high ferro physiological driver status mechanism in prior art and lacking the technical problem of passenger's urgency traffic equipment, adopt high-precision blood Monitoring Oxygen Ventilation equipment and brain wave watch-dog detect in time the blood oxygen saturation of high ferro driver and multiple brain wave parameter and report to the police, also introduce physiological parameter early warning mechanism and urgency traffic mechanism with ensure the driving safety of high ferro with communicate unimpeded.
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 (7)
1. a button high ferro vehicle commander condition detecting system, described detection system comprises brain wave Monitor And Control Subsystem, blood Monitoring Oxygen Ventilation subsystem and embedded processing equipment, described brain wave Monitor And Control Subsystem is used for the brain wave monitoring state to the vehicle commander in high ferro driving cabin, described blood Monitoring Oxygen Ventilation subsystem is used for monitoring the blood oxygen saturation of the vehicle commander in high ferro driving cabin, described embedded processing equipment is connected respectively with described brain wave Monitor And Control Subsystem and described blood Monitoring Oxygen Ventilation subsystem, monitored results according to described brain wave Monitor And Control Subsystem and described blood Monitoring Oxygen Ventilation subsystem determines whether to enter alarm mode.
2. button high ferro vehicle commander condition detecting system as claimed in claim 1, it is characterized in that, described detection system comprises:
Warning screen, with embedded processing equipment connection, for when receiving abnormality signal, display button call character, when receiving normal state signal, does not carry out display operation;
Emergency button, is arranged on the body of high ferro passenger compartment cabin, is positioned at described warning screen side;
By key driving apparatus, being connected with described emergency button, for when receiving the pressing operation in described emergency button, sending power supply suppling signal;
Wireless Telecom Equipment, is arranged on the body of high ferro passenger compartment cabin, is positioned at described warning screen side, for the call-information of external staff to be sent to the server at the place of high ferro administrative center of far-end by wireless communication link;
Switching over equipment, be connected by key driving apparatus with described, when receiving described power supply suppling signal, open interface channel between described independently-powered equipment and described Wireless Telecom Equipment to keep described independently-powered equipment to the supply of electric power of described Wireless Telecom Equipment;
Independently-powered equipment, with described warning screen, to be describedly connected respectively by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment, to be only described warning screen, describedly to provide supply of electric power by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment;
Detecting electrode, is arranged on vehicle commander'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 amplifying described voltage variety;
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 carrying out the process of two-stage notch filter, to export notched signal to described first filtering signal;
High pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high-pass filtering to described notched signal, to export the second filtering signal;
Level adjustment circuit, is connected with described high pass filter, carries out level adjustment process to described second filtering signal, thinks that subsequent A/D conversion is prepared;
First analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analog digital conversion of 8, to obtain the brain wave digital signal of vehicle commander;
Light emitting diode, is arranged on vehicle commander's finger fingertip blood capillary position, is connected with light source driving circuit, for the LED control signal sent based on light source driving circuit, and alternate emission infrared light and HONGGUANG;
Light source driving circuit, built-in timer, for sending LED control signal to described light emitting diode;
Optical-electrical converter, be arranged on vehicle commander's finger fingertip, be positioned at the relative position of described light emitting diode, for receiving the infrared light after transmission vehicle commander finger fingertip blood capillary and HONGGUANG, and transmitted infrared light and transmit red light are converted to analog current signal respectively, to obtain simulation infrared light electric current and simulation HONGGUANG electric current;
Current-to-voltage converting circuit, is connected with described optical-electrical converter, for carrying out current/voltage conversion respectively to simulation infrared light electric current and simulation HONGGUANG electric current, to obtain simulation infrared light voltage and simulation red voltages respectively;
Signal amplifier, is connected with described current-to-voltage converting circuit, for amplifying respectively with simulation red voltages simulation infrared light voltage, amplifies voltage to obtain simulation infrared light amplification voltage and to simulate HONGGUANG;
Signal deteching circuit, be connected with described signal amplifier, comprise direct current signal and detect electronic circuit and alternating current signal detection electronic circuit, for detecting flip-flop in simulation infrared light voltage and alternating component, to export as the first DC voltage and the first alternating voltage, also for detecting flip-flop in simulation red voltages and alternating component, to export as the second DC voltage and the second alternating voltage;
Second analog-digital converter, be connected with described signal deteching circuit, for carrying out analog digital conversion respectively to the first DC voltage, the first alternating voltage, the second DC voltage and the second alternating voltage, to obtain the first Digital DC voltage, the first Digital AC voltage, the second Digital DC voltage and the second Digital AC voltage;
Blood oxygen saturation computing circuit, be connected with described second analog-digital converter, by the ratio of the second Digital AC voltage and the second Digital DC voltage divided by the ratio of the first Digital AC voltage and the first Digital DC voltage to obtain the absorbing light ratio factor, and calculate blood oxygen saturation based on the absorbing light ratio factor, wherein, blood oxygen saturation and the absorbing light ratio factor linear;
Embedded processing equipment, is connected to obtain blood oxygen saturation with described blood oxygen saturation computing circuit, is connected to receive brain wave digital signal with described first analog to digital conversion circuit; When there is α ripple and β ripple in described brain wave digital signal in described embedded processing equipment, export shallow sleep identification signal, when there is θ ripple and δ ripple in described brain wave digital signal, export deep sleep identification signal, when described blood oxygen saturation is at default blood oxygen saturation upper concentration, send the too high identification signal of blood oxygen saturation, when described blood oxygen saturation is at default blood oxygen saturation least concentration, send the too low identification signal of blood oxygen saturation;
Wherein, when embedded processing equipment sends the too low identification signal of shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood oxygen saturation or blood oxygen saturation, embedded processing equipment sends abnormality signal simultaneously, otherwise embedded processing equipment sends normal state signal simultaneously.
3. button high ferro vehicle commander condition detecting system as claimed in claim 2, is characterized in that:
Described optical-electrical converter is a photodiode.
4. button high ferro vehicle commander condition detecting system as claimed in claim 2, is characterized in that:
The wavelength of the infrared light that described light emitting diode is launched is 940nm, and the wavelength of the HONGGUANG that described light emitting diode is launched is 660nm.
5. button high ferro vehicle commander condition detecting system as claimed in claim 2, is characterized in that:
Between described signal amplifier and described signal deteching circuit, go back signalization filter circuit, amplify voltage for difference filtering simulation infrared light and simulate the noise contribution in HONGGUANG amplification voltage.
6. button high ferro vehicle commander condition detecting system as claimed in claim 2, is characterized in that:
Described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, for offsetting the power frequency component in described first filtering signal.
7. button high ferro vehicle commander condition detecting system as claimed in claim 6, is characterized in that: described power frequency component is 50Hz frequency component.
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| CN201610002474.9A CN105534533A (en) | 2016-01-02 | 2016-01-02 | Push-button high-speed rail conductor state detection system |
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| CN201610002474.9A CN105534533A (en) | 2016-01-02 | 2016-01-02 | Push-button high-speed rail conductor state detection system |
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