CN105539328A - Taxi driver condition alarm device based on brain wave detection - Google Patents
Taxi driver condition alarm device based on brain wave detection Download PDFInfo
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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
- B60R16/023—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 for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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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
- A61B5/14532—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 for measuring glucose, e.g. by tissue impedance measurement
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- 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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- 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
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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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- 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 taxi driver condition alarm device based on brain wave detection. The alarm device comprises a brain wave detection unit, an emergency wireless communication unit, a push-pull type panel and a digital signal processor. The emergency wireless communication unit is covered with the push-pull type panel, the brain wave detection unit is used for extracting brain wave information of a driver in a taxi cab, and the digital signal processor is connected with the brain wave detection unit, the emergency wireless communication unit and the push-pull type panel and determines whether to move the push-pull type panel from the upper portion of the emergency wireless communication unit according to the extracted brain wave information. By means of the alarm device, the hedging device can be provided for passengers in a taxi under the condition that the physical condition of the driver of the taxi is abnormal.
Description
Technical field
The present invention relates to brain wave monitoring field, particularly relate to a kind of cab driving personnel state warning device detected based on brain wave.
Background technology
In the process that driver taxicar travels, the driving condition of chaufeur is extremely important, on the one hand, the situation that chaufeur spirit is overstretched or ill 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 chaufeur dangerous driving, at this moment the physiological parameter of chaufeur there will be some omens usually.
As can be seen here, need to set up and a kind ofly can possess physiological driver's condition detecting device, actv. physiological parameter early warning mechanism and promptly can trigger at hour of danger and help passenger and taxi operation center to set up the taxicar detection scheme of the emergency communication passage contacted, but, there is not such technical scheme in prior art.
For this reason, the present invention proposes a kind of cab driving personnel state warning device detected based on brain wave, blood glucose signal and the eeg signal of the chaufeur of steering position can be understood in time, abnormal once appearance, the assistance that emergency communication mechanism is located to help passenger to seek to hire a car operation centre can be started, thus effectively avoid spreading of taxicar accident.
Summary of the invention
In order to solve the technical matters that prior art exists, the invention provides a kind of cab driving personnel state warning device detected based on brain wave, utilize targetedly, can be used for the extraction that the blood glucose monitoring device of the compact form of cab driving room and brain wave watch-dog realize blood glucose information to the chaufeur of steering position and brain wave information respectively, and trigger alarm is machine-processed when exception, simultaneously can triggering passenger urgency traffic passage when exception.
According to an aspect of the present invention, provide a kind of cab driving personnel state warning device detected based on brain wave, described warning device comprises brain wave check implement, emergency wireless communication facilities, can plug-type panel and digital signal processor, describedly can cover above described emergency wireless communication facilities by plug-type panel, described brain wave check implement is used for extracting the brain wave information of the navigating mate of cab driving indoor, described digital signal processor and described brain wave check implement, described emergency wireless communication facilities can be connected by plug-type panel respectively with described, brain wave information according to extracting determines whether can to remove described above described emergency wireless communication facilities by plug-type panel.
More specifically, in the described cab driving personnel state warning device detected based on brain wave, comprise: detecting electrode, be arranged on navigating mate 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 LPF, 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 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; Analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analogue to digital conversion of 8, to obtain the brain wave digital signal of navigating mate; Direct Digital Frequency Synthesizers, the sine wave signal that can adjust for generation of frequency and phase place uses to be used as mixing as rf frequency source; Pulse-series generator, for generation of pulse train; Frequency mixer, is connected respectively with described Direct Digital Frequency Synthesizers and described pulse-series generator, adopts pulse train offset of sinusoidal ripple signal to carry out mixed modulated; Power amplifier, is connected with described frequency mixer, for being amplified by the signal after mixed modulated; Switching Power Supply, is used as the interface circuit between probe and power amplifier, by the signal loading after amplification in the radio-frequency receiving-transmitting coil of probe; Nd-Fe-B permanent magnetic type magnet structure, produces a uniform static magnetic field of field intensity in the space holding navigating mate finger; Probe, be placed on navigating mate finger position, be wound around radio-frequency receiving-transmitting coil to be sent into by the signal of loading in described Nd-Fe-B permanent magnetic type magnet structure, produce nmr phenomena, also for the deamplification obtained after Hydrogen Proton resonance in navigating mate finger is sent; Emergency wireless communication facilities, is positioned at taxicar car body, for the call-information of reception staff, and call-information is sent to the server of the taxi management center of far-end by wireless communication link; Can plug-type panel, be embedded in taxicar body inner side, be connected with digital signal processor, for when receiving normal state signal, automatically the dead ahead of described emergency wireless communication facilities is pushed to cover described emergency wireless communication facilities, also when receiving error state signal, automatically pulling open from the dead ahead of described emergency wireless communication facilities and retracting to the right side of described emergency wireless communication facilities; Communication opening device, being connected respectively with described digital signal processor and described emergency wireless communication facilities, for when receiving error state signal, starting described emergency wireless communication facilities, when receiving normal state signal, close described emergency wireless communication facilities; Solar storage battery, with described emergency wireless communication facilities, describedly can be connected with the described opening device that communicates by plug-type panel respectively, is only described emergency wireless communication facilities, describedly can provides electric power supply with the described opening device that communicates by plug-type panel; Digital signal processor, parallel port is adopted to be connected with analog-digital conversion circuit as described, for receiving brain wave digital signal, also be connected to receive described deamplification with described probe, analyze the spectral line of described deamplification, and calculate wherein glucose proportion, thus obtain the blood sugar concentration of navigating mate; When there is α ripple and β ripple in described brain wave digital signal in described digital signal processor, 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 sugar concentration is at default blood sugar upper concentration, send the too high identification signal of blood sugar concentration, when described blood sugar concentration is at default blood sugar least concentration, send the too low identification signal of blood sugar concentration; Wherein, the one in direct digital synthesizers, analog phase-locked look and digital phase-locked loop is selected in the frequency synthesis that Direct Digital Frequency Synthesizers adopts; Wherein, described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, and for offsetting the power frequency component in described first filtering signal, described power frequency component is 50Hz frequency component; Wherein, when digital signal processor sends the too low identification signal of shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood sugar concentration or blood sugar concentration, digital signal processor sends error state signal simultaneously, otherwise digital signal processor sends normal state signal simultaneously.
More specifically, in the described cab driving personnel state warning device detected based on brain wave, described warning device also comprises: liquid crystal display, be connected with described digital signal processor, for showing the Word message corresponding with shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood sugar concentration or the too low identification signal of blood sugar concentration.
More specifically, in the described cab driving personnel state warning device detected based on brain wave: the radio-frequency receiving-transmitting coil that described probe is wound around is birdcage coil.
More specifically, in the described cab driving personnel state warning device detected based on brain wave: the radio-frequency receiving-transmitting coil that described probe is wound around is toroidal winding.
More specifically, in the described cab driving personnel state warning device detected based on brain wave: described communication opening device is positioned at taxicar car body.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the first embodiment of the cab driving personnel state warning device based on brain wave detection of the present invention.
Reference numeral: 1 brain wave check implement; 2 emergency wireless communication facilitiess; 3 can plug-type panel; 4 digital signal processors
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the cab driving personnel state warning device based on brain wave detection of the present invention is described in detail.
At present, taxicar has been widely used in each city of countries in the world.In the driving process of taxicar, the state particular importance of chaufeur, if the situation of insanity appears in chaufeur, or there is ill situation in chaufeur, all can affect the normal traveling of taxicar, and severe traffic accident can be caused time serious to occur.And in prior art, there is not the technical scheme that taximan's physiological status is detected.
For this reason, the present invention has built a kind of cab driving personnel state warning device detected based on brain wave, high-precision blood glucose monitoring device and brain wave watch-dog is adopted to detect in time the blood sugar of chaufeur and brain wave parameter and report to the police, and when recognizing physiological driver's abnormal state, timely startup urgency traffic equipment, be convenient to the motoring condition that passenger understands current taxicar fast, and can report to the police voluntarily.
Fig. 1 is the block diagram of the first embodiment of the cab driving personnel state warning device based on brain wave detection of the present invention, described warning device comprises brain wave check implement, emergency wireless communication facilities, can plug-type panel and digital signal processor, describedly can cover above described emergency wireless communication facilities by plug-type panel, described brain wave check implement is used for extracting the brain wave information of the navigating mate of cab driving indoor, described digital signal processor and described brain wave check implement, described emergency wireless communication facilities can be connected by plug-type panel respectively with described, brain wave information according to extracting determines whether can to remove described above described emergency wireless communication facilities by plug-type panel.
Then, continue to be further detailed the concrete structure of the second embodiment of the cab driving personnel state warning device based on brain wave detection of the present invention.
Described warning device comprises: detecting electrode, is arranged on navigating mate 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 LPF, 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.
Described warning device comprises: high-pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high pass 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; Analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analogue to digital conversion of 8, to obtain the brain wave digital signal of navigating mate.
Described warning device comprises: Direct Digital Frequency Synthesizers, and the sine wave signal that can adjust for generation of frequency and phase place uses to be used as mixing as rf frequency source; Pulse-series generator, for generation of pulse train; Frequency mixer, is connected respectively with described Direct Digital Frequency Synthesizers and described pulse-series generator, adopts pulse train offset of sinusoidal ripple signal to carry out mixed modulated; Power amplifier, is connected with described frequency mixer, for being amplified by the signal after mixed modulated; Switching Power Supply, is used as the interface circuit between probe and power amplifier, by the signal loading after amplification in the radio-frequency receiving-transmitting coil of probe; Nd-Fe-B permanent magnetic type magnet structure, produces a uniform static magnetic field of field intensity in the space holding navigating mate finger.
Described warning device comprises: probe, be placed on navigating mate finger position, be wound around radio-frequency receiving-transmitting coil to be sent into by the signal of loading in described Nd-Fe-B permanent magnetic type magnet structure, produce nmr phenomena, also for being sent by the deamplification obtained after Hydrogen Proton resonance in navigating mate finger; Emergency wireless communication facilities, is positioned at taxicar car body, for the call-information of reception staff, and call-information is sent to the server of the taxi management center of far-end by wireless communication link; Can plug-type panel, be embedded in taxicar body inner side, be connected with digital signal processor, for when receiving normal state signal, automatically the dead ahead of described emergency wireless communication facilities is pushed to cover described emergency wireless communication facilities, also when receiving error state signal, automatically pulling open from the dead ahead of described emergency wireless communication facilities and retracting to the right side of described emergency wireless communication facilities.
Described warning device comprises: communication opening device, be connected respectively with described digital signal processor and described emergency wireless communication facilities, for when receiving error state signal, start described emergency wireless communication facilities, when receiving normal state signal, close described emergency wireless communication facilities; Solar storage battery, with described emergency wireless communication facilities, describedly can be connected with the described opening device that communicates by plug-type panel respectively, is only described emergency wireless communication facilities, describedly can provides electric power supply with the described opening device that communicates by plug-type panel.
Described warning device comprises: digital signal processor, parallel port is adopted to be connected with analog-digital conversion circuit as described, for receiving brain wave digital signal, also be connected to receive described deamplification with described probe, analyze the spectral line of described deamplification, and calculate wherein glucose proportion, thus obtain the blood sugar concentration of navigating mate; When there is α ripple and β ripple in described brain wave digital signal in described digital signal processor, 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 sugar concentration is at default blood sugar upper concentration, send the too high identification signal of blood sugar concentration, when described blood sugar concentration is at default blood sugar least concentration, send the too low identification signal of blood sugar concentration.
Wherein, the one in direct digital synthesizers, analog phase-locked look and digital phase-locked loop is selected in the frequency synthesis that Direct Digital Frequency Synthesizers adopts; Wherein, described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, and for offsetting the power frequency component in described first filtering signal, described power frequency component is 50Hz frequency component; Wherein, when digital signal processor sends the too low identification signal of shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood sugar concentration or blood sugar concentration, digital signal processor sends error state signal simultaneously, otherwise digital signal processor sends normal state signal simultaneously.
Alternatively, in described warning device, described warning device also comprises: liquid crystal display, be connected with described digital signal processor, for showing the Word message corresponding with shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood sugar concentration or the too low identification signal of blood sugar concentration; The radio-frequency receiving-transmitting coil that described probe is wound around is birdcage coil; The radio-frequency receiving-transmitting coil that described probe is wound around is toroidal winding; And described communication opening device can be positioned at taxicar car body.
In addition, dsp chip, also claims digital signal processor, and be a kind of microprocessor being particularly suitable for carrying out digital signal processing computing, it is mainly applied is realize various digital signal processing algorithm real-time.
According to the requirement of digital signal processing, dsp chip generally has following principal feature: (1) can complete a multiplication and a sub-addition within an instruction cycle; (2) program and data space separately, can access instruction and data simultaneously; (3) there is quick RAM in sheet, usually access in two pieces by independently data bus simultaneously; (4) there is low expense or the hardware supported without overhead loop and redirect; (5) fast speed interrupt processing and Hardware I/O support; (6) there are the multiple hardware address generators operated within the monocycle; (7) can the multiple operation of executed in parallel; (8) support stream line operation, fetching, decoding and execution etc. are operated can Overlapped Execution.
Adopt the cab driving personnel state warning device detected based on brain wave of the present invention, be difficult to detect and lack the technical matters of passenger's urgency traffic equipment for taximan's physiological status in prior art, high-precision blood glucose monitoring device and brain wave watch-dog is adopted to detect in time the blood sugar of taximan and each brain wave parameter and report to the police, introduce physiological parameter early warning mechanism and urgency traffic mechanism, help passenger learns that the error state of chaufeur is also set up further and contacts with the call at taxi operation center.
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 (6)
1. the cab driving personnel state warning device detected based on brain wave, described warning device comprises brain wave check implement, emergency wireless communication facilities, can plug-type panel and digital signal processor, describedly can cover above described emergency wireless communication facilities by plug-type panel, described brain wave check implement is used for extracting the brain wave information of the navigating mate of cab driving indoor, described digital signal processor and described brain wave check implement, described emergency wireless communication facilities can be connected by plug-type panel respectively with described, brain wave information according to extracting determines whether can to remove described above described emergency wireless communication facilities by plug-type panel.
2., as claimed in claim 1 based on the cab driving personnel state warning device that brain wave detects, it is characterized in that, described warning device comprises:
Detecting electrode, is arranged on navigating mate 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 LPF, 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 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;
Analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analogue to digital conversion of 8, to obtain the brain wave digital signal of navigating mate;
Direct Digital Frequency Synthesizers, the sine wave signal that can adjust for generation of frequency and phase place uses to be used as mixing as rf frequency source;
Pulse-series generator, for generation of pulse train;
Frequency mixer, is connected respectively with described Direct Digital Frequency Synthesizers and described pulse-series generator, adopts pulse train offset of sinusoidal ripple signal to carry out mixed modulated;
Power amplifier, is connected with described frequency mixer, for being amplified by the signal after mixed modulated;
Switching Power Supply, is used as the interface circuit between probe and power amplifier, by the signal loading after amplification in the radio-frequency receiving-transmitting coil of probe;
Nd-Fe-B permanent magnetic type magnet structure, produces a uniform static magnetic field of field intensity in the space holding navigating mate finger;
Probe, be placed on navigating mate finger position, be wound around radio-frequency receiving-transmitting coil to be sent into by the signal of loading in described Nd-Fe-B permanent magnetic type magnet structure, produce nmr phenomena, also for the deamplification obtained after Hydrogen Proton resonance in navigating mate finger is sent;
Emergency wireless communication facilities, is positioned at taxicar car body, for the call-information of reception staff, and call-information is sent to the server of the taxi management center of far-end by wireless communication link;
Can plug-type panel, be embedded in taxicar body inner side, be connected with digital signal processor, for when receiving normal state signal, automatically the dead ahead of described emergency wireless communication facilities is pushed to cover described emergency wireless communication facilities, also when receiving error state signal, automatically pulling open from the dead ahead of described emergency wireless communication facilities and retracting to the right side of described emergency wireless communication facilities;
Communication opening device, being connected respectively with described digital signal processor and described emergency wireless communication facilities, for when receiving error state signal, starting described emergency wireless communication facilities, when receiving normal state signal, close described emergency wireless communication facilities;
Solar storage battery, with described emergency wireless communication facilities, describedly can be connected with the described opening device that communicates by plug-type panel respectively, is only described emergency wireless communication facilities, describedly can provides electric power supply with the described opening device that communicates by plug-type panel;
Digital signal processor, parallel port is adopted to be connected with analog-digital conversion circuit as described, for receiving brain wave digital signal, also be connected to receive described deamplification with described probe, analyze the spectral line of described deamplification, and calculate wherein glucose proportion, thus obtain the blood sugar concentration of navigating mate; When there is α ripple and β ripple in described brain wave digital signal in described digital signal processor, 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 sugar concentration is at default blood sugar upper concentration, send the too high identification signal of blood sugar concentration, when described blood sugar concentration is at default blood sugar least concentration, send the too low identification signal of blood sugar concentration;
Wherein, the one in direct digital synthesizers, analog phase-locked look and digital phase-locked loop is selected in the frequency synthesis that Direct Digital Frequency Synthesizers adopts;
Wherein, described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, and for offsetting the power frequency component in described first filtering signal, described power frequency component is 50Hz frequency component;
Wherein, when digital signal processor sends the too low identification signal of shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood sugar concentration or blood sugar concentration, digital signal processor sends error state signal simultaneously, otherwise digital signal processor sends normal state signal simultaneously.
3., as claimed in claim 2 based on the cab driving personnel state warning device that brain wave detects, it is characterized in that, described warning device also comprises:
Liquid crystal display, is connected with described digital signal processor, for showing the Word message corresponding with shallow sleep identification signal, deep sleep identification signal, the too high identification signal of blood sugar concentration or the too low identification signal of blood sugar concentration.
4., as claimed in claim 2 based on the cab driving personnel state warning device that brain wave detects, it is characterized in that:
The radio-frequency receiving-transmitting coil that described probe is wound around is birdcage coil.
5., as claimed in claim 2 based on the cab driving personnel state warning device that brain wave detects, it is characterized in that:
The radio-frequency receiving-transmitting coil that described probe is wound around is toroidal winding.
6., as claimed in claim 2 based on the cab driving personnel state warning device that brain wave detects, it is characterized in that:
Described communication opening device is positioned at taxicar car body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610002059.3A CN105539328A (en) | 2016-01-02 | 2016-01-02 | Taxi driver condition alarm device based on brain wave detection |
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| CN201610002059.3A CN105539328A (en) | 2016-01-02 | 2016-01-02 | Taxi driver condition alarm device based on brain wave detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106166068A (en) * | 2016-09-21 | 2016-11-30 | 广州视源电子科技股份有限公司 | Method and system for marking electroencephalogram data types in sleep state |
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| DE102013223439A1 (en) * | 2013-11-18 | 2015-05-21 | Robert Bosch Gmbh | Method for issuing an emergency call in a vehicle |
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| CN2770008Y (en) * | 2005-03-04 | 2006-04-05 | 香港理工大学 | Dozing detection alarm |
| CN103040449A (en) * | 2012-12-24 | 2013-04-17 | 太原铁路局 | Remote early-warning and monitoring system |
| DE102013223439A1 (en) * | 2013-11-18 | 2015-05-21 | Robert Bosch Gmbh | Method for issuing an emergency call in a vehicle |
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| CN106166068A (en) * | 2016-09-21 | 2016-11-30 | 广州视源电子科技股份有限公司 | Method and system for marking electroencephalogram data types in sleep state |
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