CN204363982U - Based on the EEG checking device of wearable device - Google Patents
Based on the EEG checking device of wearable device Download PDFInfo
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- CN204363982U CN204363982U CN201420763376.3U CN201420763376U CN204363982U CN 204363982 U CN204363982 U CN 204363982U CN 201420763376 U CN201420763376 U CN 201420763376U CN 204363982 U CN204363982 U CN 204363982U
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Abstract
The utility model discloses a kind of EEG checking device based on wearable device, comprise brain wave acquisition device, integrated simulation front end, mixed signal microcontroller, bluetooth module, display device, power management module, solaode, input equipment and display lamp, brain wave acquisition device comprises singly leads electrode for encephalograms and reference electrode, singly lead electrode for encephalograms to be placed in inside medicated cap and to contact with forehead, reference electrode is clipped in ear-lobe place, and brain wave acquisition device is connected with wearable device by audio interface adapter; Brain wave acquisition device is connected with integrated simulation front end, and integrated simulation front end is connected with mixed signal microcontroller, and bluetooth module is connected with mixed signal microcontroller, external network respectively; Power management module is connected with solaode, and the two is for powering for associated components in checkout gear.This utility model volume is little, low in energy consumption, can utilize solar recharging, and the brain electricity of being convenient to carry out the occasions such as large brain cognitive function, nerve and mental sickness, sleep and fatigue state is monitored whenever and wherever possible.
Description
Technical field
This utility model relates to vital sign parameter checkout gear research field, specifically refers to a kind of EEG checking device based on wearable device.
Background technology
Electroencephalogram EEG (Electroencephalogram) is that the current potential that cerebral neuron cyton physiological activity produces is comprehensive, there is abundant cerebral activity information, be widely used in the medical diagnosis of brain diseases, functional rehabilitation, tired electroencephalogrammonitoring monitoring, the research of brain-computer interface and other brain science aspects, in the research of electroencephalogram, the collection of EEG signals obtains particularly important, the collection of EEG signals obtains to have been come by eeg collection system, but multiple passages that traditional eeg collection system is generally formed by multi-electrode form, bulky, power consumption is high, and operation inconvenience, multielectrode limitation causes the collection being difficult to independently carry out brain electricity, usual needs other people assisted laying of electrode for encephalograms.
Along with the raising of people's living standard, the health perception of people strengthens day by day, ites is desirable to detect physiological parameter whenever and wherever possible, and in recent years, development rapidly wearable medical product met the ideal product of this demand just.By brain electro-detection function transplanting on wearable medical product, on the one hand can Real-Time Monitoring epilepsy, psychotic disorder, to the outer disease of brain as metabolism and endocrine regulation and poisoning etc. caused by central nervous system's change monitor, be user-friendly for self-health Evaluation, timely acquisition morbidity information, thus take treatment measure early, palliate the agonizing sufferings, reduce health hazard, or even life danger, simultaneously, sleep monitor can be carried out, by continuous print eeg signal acquisition, user can be helped to analyze the sleep state of oneself, thus provide foundation for the prevention of sleep disorder disease and sleep apnea syndrome and diagnosis and treatment.On the other hand, physiology and psychological fatigue can be monitored objectively, more directly reflect large idiophrenic activity, form the objective discrimination model of Alertness, thus provide giving fatigue pre-warning for the tired operation of locomotive fatigue driving and dangerous staff, be convenient to understand physical and mental statuse at any time, the danger avoiding fatigue driving and tired operation to bring and injury, guarantee safe driving and safety work.
Although there is a series of wearable eeg monitoring device in the market, but the eeg collection system that major part all takes the multiple passages formed by multi-electrode to form, and be connected to electroencephalograph by equipment patchcord and show, the limitation of this connection makes electrode for encephalograms placement be difficult to complete independently, Real-Time Monitoring and the stability of brain electricity can be limited simultaneously largely, thus have influence on accuracy and the real-time of monitoring result.In addition, existing EEG checking device power supply almost all adopts the mode of battery powered or power source charges, and this power supply mode makes the checkout gear up time be limited significantly, can not meet the demand of monitoring whenever and wherever possible.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, a kind of EEG checking device based on wearable device is provided, this device is arranged in existing Wearable device, such as intelligent watch, Intelligent bracelet etc., have compact, easy to use, service time long advantage.
The purpose of this utility model is realized by following technical scheme: based on the EEG checking device of wearable device, comprise brain wave acquisition device, integrated simulation front end, mixed signal microcontroller, bluetooth module, display device, power management module, solaode, input equipment and display lamp, described brain wave acquisition device comprises singly leads electrode for encephalograms and reference electrode, singly leading electrode for encephalograms is placed in inside medicated cap, contact with forehead, reference electrode is connected with medicated cap, be clipped in ear-lobe place, brain wave acquisition device is connected with wearable device with audio interface adapter by shielded cable, brain wave acquisition device is connected with integrated simulation front end, integrated simulation front end is by SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) be connected with mixed signal microcontroller, bluetooth module is by UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) be connected with mixed signal microcontroller, bluetooth module is connected with external network, power management module is connected with solaode, and the two is for powering for mixed signal microcontroller, bluetooth module, display device, display lamp in EEG checking device, display device, input equipment, display lamp are connected with mixed signal microcontroller respectively, and worked by mixed signal microprocessor controls, described input equipment is for starting the brain electro-detection function of wearable device, and display lamp is for showing the current residing brain electro-detection functional status of wearable device.
Preferably, described power management module comprises solar charging circuit, solar energy discharge circuit, solar charging controller, solar energy discharge controller, solar energy interface, accumulator interface, loading interfaces and accumulator, wherein solaode is connected with solar energy interface, accumulator interface is connected with accumulator, and accumulator is also provided with interface for being connected with external charging power supply; Loading interfaces is connected with described mixed signal microcontroller; Solar charging controller controls solar charging circuit work, solaode by solar charging circuit to charge in batteries; Solar energy discharge controller controls the work of solar energy discharge circuit, and accumulator is powered to mixed signal microcontroller, bluetooth module, display device, display lamp in EEG checking device by solar energy discharge circuit.
Preferably, the solar recharging module be made up of described solar charging circuit and described solar charging controller is independent of one another with the solar energy discharge module be made up of described solar energy discharge circuit and described solar energy discharge controller, and charging and discharging process is independently carried out.Thus significantly can reduce power consumption, extend standby, service time further.
Further, described solaode adopts polysilicon membrane type solaode.This battery is obtained by polysilicon membrane type photoelectric material that is high-effect, high-photoelectric transformation efficiency, therefore has the advantage that volume is little, power-on time is long.
Preferably, described bluetooth module comprises main control module, RF core module, universal peripheral interface module, sensor interface module and antenna, the signal that described main control module transmits for receiving, storing mixed signal microcontroller, and when signal demand outwards transmits, signal is imported into RF core module, main control module comprises master controller, JTAG (the Joint Test Action Group that wire is connected, joint test working group) interface, ROM (Read-Only Memory, read only memory), flash memory, SRAM; Described RF core module is used for when signal demand outwards transmits, receive the signal that main control module imports into, and signal is outwards transmitted by antenna, RF core module comprises the connected association's controller of wire, digital phase-locked loop, DSP modem, SRAM, ROM and amplifier, and amplifier is connected with antenna; Described antenna is used for sending signal to outside mobile terminal, and mobile terminal receive feedback result, and feedback result is sent to display device display; The I that universal peripheral interface module is connected by wire
2c, UART and SPI form; Sensor interface module comprises sensor controller, ADC (Analog to Digital Converter, analog-digital converter) and the comparator that wire is connected; Main control module is connected with sensor interface module with RF core module, universal peripheral interface module respectively by wire.
Further, described main control module signal is passed to RF core module laggard enter sleep state.Thus greatly can reduce the power consumption of bluetooth module.
Further, described sensor controller is used for the duty of the external brain wave acquisition device of perception, if external brain wave acquisition device does not carry out signals collecting, then controls bluetooth module and automatically enters sleep state.Thus greatly can reduce the power consumption of bluetooth module.
Further, described bluetooth module adopts bluetooth standard V4.0, in order to include wifi, UWB wireless radio-frequency in Bluetooth technology.Thus high-speed transfer and super low-power consumption are organically combined, this utility model can be realized and other are from the information interaction between global manufacturer's distinct device, carry out information sharing.
Concrete, the ADS1291 chip of TI company is selected in described integrated simulation front end, this integrated simulation front end comprises 2 low-noise programmable gain amplifiers and 2 high-resolution analog-digital converters, plate carries agitator and internal reference, and the EEG signals here collected carries out filtering, automatic gain, AD conversion.
Concrete, the MSP430FR5739 microcontroller of TI company selected by described mixed signal microcontroller, here, the EEG signals collected adopts LMS adaptive algorithm to eliminate Hz noise, adopt the method for threshold filtering, reconstruction signal to eliminate eye electricity artefact, adopt modulus maximum to eliminate Muscle artifacts, adopt wavelet Based on Denoising Algorithm stress release treatment, adopt orthogonal wavelet transformation algorithm to eliminate the interference of brain electric pulse, and adopt movement compensating algorithm to remove the motion artifact produced in motor process further.
Compared with prior art, tool has the following advantages and beneficial effect this utility model:
(1) EEG checking device of the present utility model is based on wearable device, overcome the multichannel formed by multi-electrode in traditional EEG checking device and connect the use limitation gathering brain electricity and bring, and brain electro-detection anywhere or anytime can be realized by wearable device.Compact, wearable, result is accurate, power consumption is extremely low, solar recharging can be utilized, be convenient to carry out the monitoring whenever and wherever possible of epilepsy, psychotic disorder, central nervous system's change, sleep state and physiology and psychological fatigue state, farthest reduction brain electrical anomaly is to the infringement of body and life danger.
(2) this utility model brain wave acquisition device comprises and singly leads electrode for encephalograms and reference electrode, singly leading electrode for encephalograms is placed in inside medicated cap, contact with forehead, reference electrode is connected with medicated cap, is clipped in ear-lobe place, brain wave acquisition device is connected with wearable device with audio interface adapter by shielded cable, compared with prior art, breach the constraint of the multichannel connection collection brain electricity that multi-electrode is formed, easy to use, compact, is convenient to Real-Time Monitoring and the monitoring to motion midbrain electricity.
(3) bluetooth module of this utility model employing, compared to prior art, power consumption can be reduced to a great extent, extend standby and service time, support bluetooth simultaneously, wifi, UWB wireless radio-frequency, this utility model can be realized and other are from the information interaction between global manufacturer's distinct device, not only testing result can be sent to intelligent terminal, calculate health parameters further, more can provide powerful support for for remote medical monitor and distance medical diagnosis provide, compared with prior art, there is the scope of application widely, abundanter monitoring information can be obtained, thus bring better to user, more accurately, more practical wearable medical treatment is experienced.
(4) power management module of the present utility model takes solar recharging and charge power supply to charge two kinds of powering modes.The wherein solar charging power mode of power management module, adopt high-effect, the polysilicon membrane type solaode of high-photoelectric transformation efficiency, the solaode that this novel optoelectronic materials obtains can reduce battery volume on the one hand, thus bring better wearable experience, its high optoelectronic conversion ratio ensure that permanent supply performance of the present utility model on the other hand, compared with prior art, after the electricity obtained by charge power supply is exhausted, the electricity that the high-effect conversion of recycling solaode comes proceeds the detection of brain electricity, breach the limitation of prior art midbrain electro-detection by battery electric quantity restriction.Simultaneously, the solar charging power mode of power management module takes charging module and discharge module structure independent of each other and working method, and charging and discharging process need not be carried out, compared to prior art simultaneously, significantly can reduce power consumption, extend standby, service time further.The use of polysilicon membrane type solaode can also significantly reduce costs, and increases the market competitiveness of the present utility model.
(5) this utility model adopts integrated simulation front end, and make signal processing efficiency higher, stability obviously strengthens.Overcome in the past in checkout gear test set complicated, need to use a large amount of electronic component, be not easy to the shortcoming realizing portability, in addition, prior art midbrain electricity harvester collects with the downward Primary Transmit of the mode of analog voltage signal after EEG signals, until A/D conversion place just realizes digitized, in this process, pickup electrode is vulnerable to extraneous interference and introduces noise, this utility model, by adopting integrated simulation front end, overcomes this defect, greatly improves the accuracy of measurement result.
Accompanying drawing explanation
Fig. 1 is the hardware block diagram of the present embodiment.
Fig. 2 is the composition structure chart of the bluetooth module of the present embodiment.
Fig. 3 is the power management module composition diagram of the present embodiment.
Fig. 4 (a) is the circuit diagram of solar charging controller in the present embodiment power management module.
Fig. 4 (b) is the storage battery reverse connection protection circuit figure of solar charging controller in the present embodiment power management module.
Fig. 5 is the circuit diagram of solar energy discharge controller in the present embodiment power management module.
Fig. 6 is the circuit diagram of solar charging circuit in the present embodiment power management module.
Fig. 7 is the circuit diagram of solar energy discharge circuit in the present embodiment power management module.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1
As shown in Figure 1, the hardware composition of the present embodiment comprises brain wave acquisition device, integrated simulation front end, mixed signal microcontroller, bluetooth module, display device (i.e. liquid crystal display), power management module, solaode, input equipment (i.e. button) and display lamp.Brain wave acquisition device is connected with integrated simulation front end, integrated simulation front end is connected with mixed signal microcontroller by SPI, mixed signal microcontroller is connected with external network by bluetooth module, bluetooth module is connected with mixed signal microcontroller by UART, power management module is connected with solaode, for mixed signal microcontroller in EEG checking device, bluetooth module, liquid crystal display, display lamp is powered, liquid crystal display, button is connected with mixed signal microcontroller with display lamp, and worked by mixed signal microprocessor controls, described button is for starting the brain electro-detection function of wearable device, display lamp is in brain electro-detection functional status for showing wearable device.In Fig. 1, solid black lines arrow represents current trend, and hollow arrow represents the EEG signals trend collected, and dotted arrow represents that control instruction is moved towards.
Concrete, the ADS1291 chip of TI company is selected in the front end of integrated simulation described in the present embodiment, this integrated simulation front end comprises 2 low-noise programmable gain amplifiers and 2 high-resolution analog-digital converters, plate carries agitator and internal reference, and the EEG signals here collected carries out filtering, automatic gain, AD conversion.
Concrete, the MSP430FR5739 microcontroller of TI company selected by mixed signal microcontroller described in the present embodiment, this microcontroller is super low-power consumption type, here, the EEG signals collected adopts LMS adaptive algorithm to eliminate Hz noise, the method of threshold filtering, reconstruction signal is adopted to eliminate eye electricity artefact, modulus maximum is adopted to eliminate Muscle artifacts, adopt wavelet Based on Denoising Algorithm stress release treatment, adopt orthogonal wavelet transformation algorithm to eliminate the interference of brain electric pulse, and adopt movement compensating algorithm to remove the motion artifact produced in motor process further.
In the present embodiment, brain wave acquisition device comprises singly leads electrode for encephalograms and reference electrode, singly leading electrode for encephalograms is placed in inside medicated cap, contact with forehead, reference electrode is connected with medicated cap, be clipped in ear-lobe place, brain wave acquisition device is connected with intelligent watch with audio interface adapter by shielded cable, thus is presented at singly leading electroencephalogram on the liquid crystal display of intelligent watch.
As shown in Figure 2, the bluetooth module of the present embodiment, comprises main control module, RF core module, universal peripheral interface module and sensor interface module.Master controller, JTAG, ROM, flash memory, SRAM that wherein main control module is connected by wire form; Association's controller that RF core module is connected by wire, digital phase-locked loop, DSP modem, SRAM, ROM and amplifier form, and amplifier connects with antenna; The I that universal peripheral interface module is connected by wire
2c, UART and low-power consumption SPI form; Super low-power consumption sensor controller, ADC and low power consumption comparator that sensor interface module is connected by wire form; Main control module is connected with sensor interface module with RF core module, universal peripheral interface module respectively by wire.
Concrete, described bluetooth module reaches power consumption ultra low levels in the following way:
(1) described bluetooth module is furnished with autonomous super low-power consumption sensor controller, can the duty of the autonomous external brain wave acquisition device of perception, if external brain wave acquisition device does not carry out signals collecting, then bluetooth module enters sleep state automatically.If external brain wave acquisition device carries out signals collecting, then bluetooth module enters duty automatically.Only have in bluetooth module during sleep state and interrupt trace routine operation, now power consumption is extremely low, almost can ignore.If super low-power consumption sensor controller detects that external brain wave acquisition device carries out signals collecting, transmit interrupt instruction to master controller in bluetooth module immediately, wake main control module in bluetooth module up and run.
(2) this Bluetooth chip adopts finer partition management, by data receiver, storage is outwards transmitted with data and is separated, to manage independently and to run, first the signal transmitted by mixed signal microcontroller receives in main control module, store, main control module is worked by main controller controls, now RF core module wouldn't work, when signal demand outwards transmits, under master controller effect, Signal transmissions is entered radio frequency nucleus module, main control module enters sleep state immediately, under association's controller controls, through digital phase-locked loop, DSP modem and amplifier process, by antenna, this signal is outwards transmitted transmission,
This bluetooth module is except the characteristic possessing super low-power consumption, up-to-date bluetooth standard V4.0 is also utilized to provide a platform, in order to include wifi, UWB wireless radio-frequency in Bluetooth technology, high-speed transfer and super low-power consumption are organically combined, the present embodiment can be realized and other are from the information interaction between global manufacturer's distinct device, carry out information sharing.In addition, the EEG signals utilizing the present embodiment to collect not only can show on the liquid crystal display of wearable device singly leads electroencephalogram, also mobile terminal can be sent to by bluetooth module, other health parameters of further calculating, and liquid crystal display result being sent it back wearable device shows, simultaneously, also testing result and the health parameters calculated remote medical monitor center and hospital be can be sent to by the wireless network of mobile terminal, long distance monitoring and tele-medicine realized.
The power management module of the present embodiment takes solar recharging and charge power supply to charge two kinds of powering modes.The structure of power management module as shown in Figure 3, is made up of solar charging circuit (see Fig. 6), solar energy discharge circuit (see Fig. 7), solar charging controller (see Fig. 4 (a) and Fig. 4 (b)), solar energy discharge controller (see Fig. 5), solar energy interface, accumulator interface, loading interfaces, accumulator.Solaode is connected with solar energy interface, and accumulator interface is connected with accumulator, and accumulator also can connect with external charging power supply, and loading interfaces connects with described mixed signal microcontroller.Solar charging circuit realizes the charging process of solaode to accumulator, solar energy discharge circuit realizes the discharge process of accumulator to mixed signal microcontroller, bluetooth module, liquid crystal display, display lamp in EEG checking device, solar charging controller controls solar charging circuit work, and solar energy discharge controller controls the work of solar energy discharge circuit.On the wrist strap that solaode is placed in the present embodiment wearable device or bracelet.When power management module takes solar charging power mode, the solar recharging module be made up of solar charging circuit and solar charging controller is independent of one another with the solar energy discharge module be made up of solar energy discharge circuit and solar energy discharge controller, charging and discharging process is independently carried out, thus significantly can reduce power consumption, extend standby, service time further.In the solar charging power mode of power management module, adopt polysilicon membrane type solaode that is high-effect, high-photoelectric transformation efficiency, this polysilicon membrane type solaode is while maintenance high-photoelectric transformation efficiency, solaode is made to be able to filming, reduce the volume of solaode on the one hand, provide more comfortable wearable experience, on the other hand, reduce the production cost of solaode, improve the market competitiveness of the present embodiment.
Concrete, the circuit diagram of described solar charging controller is as shown in Fig. 4 (a), U2 starting voltage compares and concussion effect, and wherein U2A is core control element, and VD3 is red and green color indication LED lamp, be used to indicate charging duty, driven by U2B, according to the parameter index of rechargeable battery, set float charge voltage by precision potentiator RV1, RT1 is critesistor, for finely tuning float charge voltage value during different temperatures.When there is over-charging of battery once in a while, interrupteur SW 2 being connected higher float charge voltage can be set, playing the effect of compensating equalization.VT2 is on and off switch; VD4 is Schottky diode, and control accumulator to the electric discharge of solaode direction, VD5 plays accumulator protecting reversal connection effect (see Fig. 4 (b)); the fuse fuse opening when reverse polarity connection, protection circuit remainder exempts from damage.When cell voltage is lower than the float charge voltage set, U2A exports high level, and LED indicates redness, optocoupler conducting enable switch pipe VT2, solaode is to charge in batteries, and enter floating charge state when charging voltage reaches setting float charge voltage value, LED enters double-colored flicker indicating status.
Concrete, the circuit diagram of described solar energy discharge controller as shown in Figure 5, when switch S 1 is switched to open position, power supply activates integrated transporting discharging work, now, if battery tension is higher than LVD (Low Voltage Directive, LVD) magnitude of voltage, voltage comparator output LOW voltage, VT5 ends, the first half drives VT3, accumulator is load normal power supply, if battery tension is lower than LVD magnitude of voltage, VT5 conducting makes break-make control end output LOW voltage be turned off by VT3, cut off load power source, near LVD magnitude of voltage, make-break operation is carried out repeatedly for avoiding load, now, switch S 1 is switched to and closes position with self-locking, turn off discharge control system energy-conservation to realize simultaneously, light emitting diode VD14 is in order to point out cell voltage close to LVD magnitude of voltage, regulator potentiometer RV2 scalable LVD magnitude of voltage.
Concrete, described solar charging circuit figure as shown in Figure 6, filter unit is formed by single phase bridge type rectifier circu D and inductance L filter circuit, D can make solaode, and to charge in batteries, accumulator can not to solar cell for supplying power all the time, and solaode produces alternating current when light cataclysm or with reverse connection of accumulator time, can only to charge in batteries, after filter circuit filter rectification, the steady ripple of output voltage, makes charging current more stable.
Concrete; described solar energy discharge circuit figure as shown in Figure 7; take two-stage electrical protective device; in case the current rush that causes of extraneous short circuit or other situations and damage accumulator and other electronic components; first order protection gathers high-accuracy resistance R two sections of voltages; continue 20 seconds when the long-pending of satisfied setting maximum discharge current and high-accuracy resistance, confirm short circuit, cut off discharge loop by mixed signal microprocessor controls R11.Second level protection is for preventing first order electric current excessive and not continuing 20 seconds; to cause damage to circuit; now increase resettable fuse; when the electric current flowed through reaches rated value; resettable fuse temperature rises, and resistance increases rapidly, and electric current reduces rapidly; when overcurrent disappears, electrical fuse automatically reverts to original state.
Above-described embodiment is this utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (8)
1. based on the EEG checking device of wearable device, it is characterized in that, comprise brain wave acquisition device, integrated simulation front end, mixed signal microcontroller, bluetooth module, display device, power management module, solaode, input equipment and display lamp, described brain wave acquisition device comprises singly leads electrode for encephalograms and reference electrode, singly leading electrode for encephalograms is placed in inside medicated cap, contact with forehead, reference electrode is connected with medicated cap, be clipped in ear-lobe place, brain wave acquisition device is connected with wearable device with audio interface adapter by shielded cable; Brain wave acquisition device is connected with integrated simulation front end, and integrated simulation front end is connected with mixed signal microcontroller by SPI, and bluetooth module is connected with mixed signal microcontroller by UART, and bluetooth module is connected with external network; Power management module is connected with solaode, and the two is for powering for mixed signal microcontroller, bluetooth module, display device, display lamp in EEG checking device; Display device, input equipment, display lamp are connected with mixed signal microcontroller respectively, and are worked by mixed signal microprocessor controls.
2. the EEG checking device based on wearable device according to claim 1, it is characterized in that, described power management module comprises solar charging circuit, solar energy discharge circuit, solar charging controller, solar energy discharge controller, solar energy interface, accumulator interface, loading interfaces and accumulator, wherein solaode is connected with solar energy interface, accumulator interface is connected with accumulator, and accumulator is also provided with interface for being connected with external charging power supply; Loading interfaces is connected with described mixed signal microcontroller; Solar charging controller controls solar charging circuit work, solaode by solar charging circuit to charge in batteries; Solar energy discharge controller controls the work of solar energy discharge circuit, and accumulator is powered to mixed signal microcontroller, bluetooth module, display device, display lamp in EEG checking device by solar energy discharge circuit.
3. the EEG checking device based on wearable device according to claim 2, it is characterized in that, the solar recharging module be made up of described solar charging circuit and described solar charging controller is independent of one another with the solar energy discharge module be made up of described solar energy discharge circuit and described solar energy discharge controller, and charging and discharging process is independently carried out.
4. the EEG checking device based on wearable device according to claim 1 or 3, is characterized in that, described solaode adopts polysilicon membrane type solaode.
5. the EEG checking device based on wearable device according to claim 1, it is characterized in that, described bluetooth module comprises main control module, RF core module, universal peripheral interface module, sensor interface module and antenna, and described main control module comprises master controller, jtag interface, ROM, flash memory, the SRAM that wire is connected; Described RF core module comprises the connected association's controller of wire, digital phase-locked loop, DSP modem, SRAM, ROM and amplifier, and amplifier is connected with antenna; Described antenna is used for sending signal to outside mobile terminal, and mobile terminal receive feedback result, feedback result is sent to display device display; The I that universal peripheral interface module is connected by wire
2c, UART and SPI form; The sensor controller that sensor interface module is connected by wire, ADC and comparator form; Main control module is connected with sensor interface module with RF core module, universal peripheral interface module respectively by wire.
6. the EEG checking device based on wearable device according to claim 5, is characterized in that, described bluetooth module adopts bluetooth standard V4.0.
7. the EEG checking device based on wearable device according to claim 1, is characterized in that, the ADS1291 chip of TI company is selected in described integrated simulation front end.
8. the EEG checking device based on wearable device according to claim 1, is characterized in that, the MSP430FR5739 microcontroller of TI company selected by described mixed signal microcontroller.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496407A (en) * | 2016-01-17 | 2016-04-20 | 仲佳 | Reminding device and method thereof |
| CN107669266A (en) * | 2017-10-12 | 2018-02-09 | 公安部南昌警犬基地 | A kind of animal brain electricity analytical system |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496407A (en) * | 2016-01-17 | 2016-04-20 | 仲佳 | Reminding device and method thereof |
| CN107669266A (en) * | 2017-10-12 | 2018-02-09 | 公安部南昌警犬基地 | A kind of animal brain electricity analytical system |
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