CN104042211A - Non-fixed-contact-type electrocerebral acquisition system and information acquisition method thereof - Google Patents
Non-fixed-contact-type electrocerebral acquisition system and information acquisition method thereof Download PDFInfo
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Abstract
The invention discloses a non-fixed-contact-type electrocerebral acquisition system and an information acquisition method of the non-fixed-contact-type electrocerebral acquisition system, wherein an acquisition unit array comprises an electrocerebral reference-potential unit, a plurality of electrocerebral acquisition units and a plurality of temperature acquisition units, wherein the electrocerebral acquisition units, the temperature acquisition units and the electrocerebral reference-potential unit are all arranged on an electrode-array fixing device and are respectively used for acquiring electrocerebral signal data, acquiring temperature signal data and providing a reference potential for each electrocerebral acquisition unit. According to the non-fixed-contact-type electrocerebral acquisition system and the information acquisition method, electrodes can be tightly stuck to the skin of a human body to accurately acquire electrocerebral signals, extract characteristic information in real time and transmit the characteristic information to a wireless receiving end through radio frequency without using any organic solvent. By adopting the myoelectric acquisition method described by the invention, an electrocerebral acquisition product has the characteristics of simplicity and convenience in wearing or picking operation, high acquisition speed and greater application value, and the quantity of the electrodes can be increased or decreased at all times and places without modifying system hardware and software.
Description
Technical field
The present invention relates to collection, processing and the conveyor apparatus of the bioelectrical signals of electrophysiological diagnosis kind equipment technical field, specifically fixedly contact eeg collection system and information collecting method thereof of a kind of nothing.
Background technology
Along with the continuous progress of science and technology, and the seek medical advice continuous growth of number of hospital, portable medical device arises at the historic moment, the safe and reliable armarium that people can stay indoors and use.
EEG signals is the overall reflection of cranial nerve cell group bioelectrical activity, and the different conditions of brain and the cause of disease can make the zones of different of brain or the EEG signals in frequency range change, thereby make EEG signals show different mode.EEG (electrocardiogram) examination now plays an important role in the clinical diagnosis of neural psychiatric department, and oneself is through finding that many encephalopathys and mental sickness are extremely relevant to EEG signals.EEG signals is also commonly used to monitoring of doing sleep analysis, depth of anesthesia etc.The analysis of clinical electroencephalogram is that the method that electroencephalogram expert marks by range estimation is understood and evaluates mostly, easily causes error and fatigue, and " data compressions " and " feature extraction " of leading EEG signals are clinically rested on subjective processing horizontal more always.After the sixties, the developmental research of area of computer aided electroencephalogramsignal signal analyzing and EEG signals automatic analysis system, proposes many methods that EEG signals is analyzed from engineering viewpoint, and has made some progress and achievement.
Yet common eeg signal acquisition system use is loaded down with trivial details, cost is higher and common needs are worn with oneself an information record carrier, and need on skin, smear conducting medium, is worth patient experiences poor.
Summary of the invention
The present invention is directed to above shortcomings in prior art, a kind of nothing fixedly contact eeg collection system and information collecting method thereof are provided.
The present invention is achieved by the following technical solutions.
Nothing is a contact eeg collection system fixedly, comprising: array of acquisition units, electrod-array fixture and less radio-frequency receiver module, wherein:
-array of acquisition units is removably mounted in electrod-array fixture, described array of acquisition units and the wireless connections of less radio-frequency receiver module;
-electrod-array fixture, for placing array of acquisition units, by regulate electrod-array fixture just array of acquisition units with gather position close contact, and provide the connecting path of reference potential for array of acquisition units;
-less radio-frequency receiver module, with array of acquisition units wireless connections, the EEG signals characteristic information sending for receiving array of acquisition units, and EEG signals characteristic information is sent to the information processing terminal;
Described array of acquisition units comprises a brain electricity reference potential unit and identical a plurality of brain wave acquisitions unit and the some temperature collecting cells of apparent size, wherein:
-a plurality of brain wave acquisitions unit is arranged in electrod-array fixture with the form of array, for gathering EEG signals data;
-temperature collecting cell is arranged in electrod-array fixture, for collecting temperature signal data;
-brain electricity reference potential unit is arranged in electrod-array fixture, for providing reference potential to each brain wave acquisition unit.
Described any brain wave acquisition unit includes: integrated EEG measuring electrode, brain electricity reference electrode, the first power supply, first signal are processed and less radio-frequency transmitter module and first sensor mounting groove, described EEG measuring electrode and brain electricity reference electrode have formed the collection terminal of brain wave acquisition unit, the first power supply and first signal are processed and less radio-frequency transmitter module is integrated into an integral body, and formed the stiff end of brain wave acquisition unit with first sensor mounting groove, wherein:
-EEG measuring electrode, for gathering EEG signals data;
-brain electricity reference electrode, is connected with brain electricity reference potential unit, for the brain electricity reference potential reference potential that unit gathers is provided to EEG measuring electrode.
The-the first power supply, for processing to first signal and the power supply of less radio-frequency transmitter module;
-first signal is processed and less radio-frequency transmitter module; with the wireless connections of less radio-frequency receiver module; for EEG signals that EEG measuring electrode is collected amplify, filtering and pattern recognition, the EEG signals characteristic information extracting is sent to less radio-frequency receiver module;
-first sensor mounting groove, for fixing brain wave acquisition unit;
Described any temperature collecting cell includes: integrated temperature acquisition chip, second source, secondary signal are processed and less radio-frequency transmitter module and the second installation of sensors groove, described temperature acquisition chip has formed the collection terminal of temperature collecting cell, second source and secondary signal are processed and less radio-frequency transmitter module is integrated into an integral body, and formed the stiff end of temperature collecting cell with the second installation of sensors groove, wherein:
-temperature acquisition chip, for collecting temperature signal data;
-second source, for processing to secondary signal and the power supply of less radio-frequency transmitter module;
-secondary signal is processed and less radio-frequency transmitter module; with the wireless connections of less radio-frequency receiver module; for temperature signal that temperature acquisition chip is collected amplify, filtering and pattern recognition, the temperature signal characteristic information extracting is sent to less radio-frequency receiver module;
The-the second installation of sensors groove, for fixed temperature collecting unit.
Described temperature collecting cell is preferably one.
Described EEG measuring electrode comprises: conductive material; fill inner bag and end liner; described conductive material is wrapped in the outside of filling inner bag; and be arranged on end liner; wherein; described conductive material is silver-colored fiber conductive fabric or electrosilvering coating; described filling inner bag is sponge or ambroin; described end liner is ambroin, and described silver-colored fiber conductive fabric parcel sponge inner bag sticking on forms EEG measuring electrode or electrosilvering coating and covers on ambroin inner bag and stick on and on ambroin end liner, form EEG measuring electrode on ambroin end liner;
Described the first power supply and second source are chargeable button battery.
Described brain electricity reference electrode and EEG measuring electrode are all detachably changed.
Described electrod-array fixture integral body is elastic head band structure, comprise elastic bands and be embedded a plurality of collecting unit holddown grooves in elastic bands with the form of array, the bottom land of described a plurality of collecting unit holddown grooves interconnects by flexible wire, and be connected with brain electricity reference potential unit, the shape of the stiff end of described collecting unit holddown groove and brain wave acquisition unit and temperature collecting cell is suitable.
Described brain electricity reference potential whole unit is ear-holder type structure, comprises ear clip and is arranged on the reference potential acquisition electrode on ear clip, and described reference potential acquisition electrode is two, and directly contacts with the vertical positive and negative of picking up the ears respectively.
Described less radio-frequency receiver module; comprise radio-frequency antenna and micro USB interface; wherein, the signal characteristic information that described radio-frequency antenna sends for receiving brain wave acquisition unit and temperature collecting cell, described micro USB interface is for being connected with the information processing terminal;
Described radio-frequency antenna is that plate carries radio-frequency antenna or external 2db-gdb antenna.
Above-mentioned nothing is contact eeg collection system fixedly.Also comprise collecting unit cradle, described collecting unit cradle comprises charging slot and USB interface, described USB interface is for being connected with external power source, described charging slot is with suitable with the shape of the stiff end of brain wave acquisition unit and temperature collecting cell, and charges before the use for brain wave acquisition unit and temperature collecting cell.
Nothing is an information collecting method for contact eeg collection system fixedly, comprises the following steps:
Step 1, data acquisition, comprising:
It is reference potential that brain electricity reference potential unit be take in-brain wave acquisition unit, gathers the EEG signals of a plurality of brains electricity key positions by EEG measuring electrode simultaneously;
-temperature collecting cell is measured temperature information by temperature acquisition chip;
Step 2, pretreatment, comprising:
The EEG signals that the first signal of-brain wave acquisition unit is processed and less radio-frequency transmitter module collects EEG measuring electrode is carried out filtering, amplification, and the mode by pattern match obtains characteristic information;
The temperature signal that the secondary signal of-temperature collecting cell is processed and less radio-frequency transmitter module collects temperature acquisition chip carries out filtering, amplification, and the mode by pattern match obtains characteristic information;
Step 3, less radio-frequency sends, and first signal collection and less radio-frequency sending module and secondary signal collection and less radio-frequency sending module send the signal characteristic information after processing by less radio-frequency;
Step 4, less radio-frequency receives: less radio-frequency receiver module receives multichannel EEG signals and EEG signals characteristic information and some temperature signals and temperature signal characteristic information by radio-frequency antenna simultaneously, and is transmitted to the information processing terminal by micro USB mouth.
Described first signal collection and less radio-frequency sending module adopt the form sampled data of frequency hopping, and adopt the mode transmitting data of dynamic group net;
Described first signal collection and less radio-frequency sending module and secondary signal collection and less radio-frequency sending module all adopt intelligent relaying multipoint wireless armarium communication protocol, comprising: armarium interconnected communication standard and the IEC80001 armarium IT network risk management agreement of IEEE11073 definition.
The signal processing using in described step 2 and step 3 and signal transmission code are all realized in the embedded system of first signal processing and less radio-frequency transmitter module or secondary signal processing and less radio-frequency transmitter module.
The first innovative point of the present invention is temperature signal to be combined with traditional brain wave acquisition analytical system, in the application such as Depth of sleep monitoring, attention analysis, provides new scheme.
The second innovative point of the present invention is the collection of EEG signals, temperature signal, feature extraction and less radio-frequency send and are all integrated in battery-powered array of acquisition units, this innovation overcome existing eeg collection system need to be by gel by attachment of electrodes in affected part, signal disturb strong, electrode easily comes off, transmission cable that need to be very long is connected to the problems such as eeg amplifier.
The 3rd innovative point of the present invention is a plurality of brain wave acquisition unit combination to be used, and need dynamically to increase or reduce collecting unit according to measuring, a brain wave acquisition unit is to lead, and difference is led and all adopted brain in electrod-array fixture electricity reference potential unit as with reference to electrode.
The 4th innovative point of the present invention electric reference potential unit that is to make to require mental skill provides reference potential for EEG measuring, and this innovation makes eeg signal acquisition easier, and the EEG signals feature of collection is more obvious.
Nothing provided by the invention is contact eeg collection system and information collecting method thereof fixedly, has following characteristics:
(1) without fixing contact electrode array, by a plurality of brain wave acquisitions unit and a temperature collecting cell, formed, can gather signal and the body temperature signal of the electric key positions of a plurality of brains simultaneously;
(2) without fixedly contact electrode array, the employing of brain wave acquisition unit, without the fixedly way of contact, can, for general user, can arbitrarily contact electrode while gathering physiological signal with exposed skin of head; For doctor's professional user, the normal place that also can gather according to forehead EEG is placed, and realizes more accurately, acquired information more efficiently;
(3) the less radio-frequency sending and receiving of signal: will be through pretreated EEG signals; the device of the armarium interconnected communication standard defining by IEEE11073 and IEC80001 armarium IT network risk management protocol definition; by different communication ports; many-one is transmitted into wireless receiving module, and safety and reliability all meets high-quality medicine detector device standard;
(4) signals collecting and less radio-frequency sending module adopt the form image data of frequency hopping, can reduce the transmission collision possibility of data, are convenient to improve the real-time of data;
(5) electrod-array fixture adopts the motor type headband of harmless and comfortable wearing, and conductive electrode adopts netted conductive material electrode, and adopts brain wave acquisition unit to obtain required reference potential, makes user have better experience;
(6) a plurality of brain wave acquisitions unit can be used in combination, and dynamically increases or reduce collecting unit according to measure needing, and a brain wave acquisition unit is to lead, and difference is led and all adopted ear clip electrode in electrod-array fixture as a reference.
(7) signals collecting and less radio-frequency sending module and wireless receiving module adopt many-one to send the mode receiving, and can facilitate user to use a plurality of equipment simultaneously, and in real time data be sent to host computer.
The present invention overcome common eeg collection system not easy to operate, contact the problems such as inconvenience that signal that apt does not cause disturbs and electrode comes off and uses signal-transmitting cable to cause, without using any organic solvent, can make electrode be close on human body skin, accurately gather EEG signals, extract real-time characteristic information also arrives wireless interface receiving end by wireless radio frequency transmission.Nothing provided by the invention is contact eeg collection system and information collecting method thereof fixedly, brain wave acquisition product is had wear or win easy and simple to handle, picking rate fast, can increase whenever and wherever possible or reduce number of electrodes and without system hardware and software are made to the features such as any modification, possess larger using value.
Accompanying drawing explanation
Fig. 1 is the collection terminal of brain wave acquisition unit;
Fig. 2 is the stiff end of brain wave acquisition unit;
Fig. 3 is electrod-array fixture;
Fig. 4 is less radio-frequency receiver module;
Fig. 5 is electrode charge seat;
In figure, 1 is EEG measuring electrode, and 3 is lithium battery, 4 is signal processing and less radio-frequency transmitter module, 5 is brain computer electricity reference potential unit, and 6 is motor array fixture, and 7 is collecting unit holddown groove, 8 is collecting unit, 9 is radio-frequency antenna, and 10 is micro USB interface, and 11 is charging slot, 12 is temperature collecting cell, and 13 is USB interface.
The specific embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 3, the present embodiment provides fixedly contact eeg collection system of a kind of nothing, comprising: array of acquisition units, electrod-array fixture and less radio-frequency receiver module, wherein:
-array of acquisition units is removably mounted in electrod-array fixture, described array of acquisition units and the wireless connections of less radio-frequency receiver module;
-electrod-array fixture.Be used for placing array of acquisition units, by regulating electrod-array fixture make array of acquisition units and gather position close contact, and provide the connecting path of reference potential for array of acquisition units;
-less radio-frequency receiver module, with array of acquisition units wireless connections, the EEG signals characteristic information sending for receiving array of acquisition units, and EEG signals characteristic information is sent to the information processing terminal;
Described array of acquisition units comprises a brain electricity reference potential unit and identical a plurality of brain wave acquisitions unit and the some temperature collecting cells of apparent size, wherein:
-a plurality of brain wave acquisitions unit is arranged in electrod-array fixture with the form of array, for gathering EEG signals data;
-temperature collecting cell is arranged in electrod-array fixture, for collecting temperature signal data;
-brain electricity reference potential unit is arranged in electrod-array fixture, for providing reference potential to each brain wave acquisition unit.
As depicted in figs. 1 and 2, described any brain wave acquisition unit includes: integrated EEG measuring electrode, brain electricity reference electrode, the first power supply, first signal are processed and less radio-frequency transmitter module and first sensor mounting groove, described EEG measuring electrode and brain electricity reference electrode have formed the collection terminal of brain wave acquisition unit, the first power supply and first signal are processed and less radio-frequency transmitter module is integrated into an integral body, and formed the stiff end of brain wave acquisition unit with first sensor mounting groove, wherein:
-EEG measuring electrode, for gathering EEG signals data;
-brain electricity reference electrode, is connected with brain electricity reference potential unit, for the brain electricity reference potential reference potential that unit gathers is provided to EEG measuring electrode.
The-the first power supply, for processing to first signal and the power supply of less radio-frequency transmitter module;
-first signal is processed and less radio-frequency transmitter module; with the wireless connections of less radio-frequency receiver module; for EEG signals that EEG measuring electrode is collected amplify, filtering and pattern recognition, the EEG signals characteristic information extracting is sent to less radio-frequency receiver module;
-first sensor mounting groove, for fixing brain wave acquisition unit.
Further, described EEG measuring electrode comprises conductive material, fills inner bag and end liner, and wherein, described conductive material is wrapped in the outside of filling inner bag, and is arranged on end liner.Described conductive material can be silver-colored fiber conductive fabric or electrosilvering coating.Described filling inner bag can be sponge or ambroin.Described end liner is ambroin.Described EEG measuring electrode can and stick on ambroin end liner for silver-colored fiber conductive fabric parcel sponge inner bag, also can cover on ambroin inner bag and stick on ambroin end liner for electrosilvering coating.
Further, described conductive material is silver-colored fiber, and described filling inner bag is that sponge is filled inner bag.
Further, described power supply is chargeable lithium cell.
Further, brain electricity reference electrode and EEG measuring electrode are all detachably changed.
Described any temperature collecting cell includes: integrated temperature acquisition chip, second source, secondary signal are processed and less radio-frequency transmitter module and the second installation of sensors groove, described temperature acquisition chip has formed the collection terminal of temperature collecting cell, second source and secondary signal are processed and less radio-frequency transmitter module is integrated into an integral body, and formed the stiff end of temperature collecting cell with the second installation of sensors groove, wherein:
-temperature acquisition chip, for collecting temperature signal data;
-second source, for processing to secondary signal and the power supply of less radio-frequency transmitter module;
-secondary signal is processed and wireless elbow frequency transmitter module; with the wireless connections of less radio-frequency receiver module; for temperature signal that temperature acquisition chip is collected amplify, filtering and pattern recognition, the temperature signal characteristic information extracting is sent to less radio-frequency receiver module;
The-the second installation of sensors groove, for fixed temperature collecting unit.
Further, because an eeg collection system only needs a road temperature data conventionally, so the temperature collecting cell in the present embodiment is preferably one.
As shown in Figure 3, further, described electrod-array fixture integral body is elastic head band structure, comprise elastic bands and be embedded a plurality of collecting unit holddown grooves in elastic bands with the form of array, the bottom land of described a plurality of collecting unit holddown grooves interconnects by flexible wire, and be connected with brain electricity reference potential unit, the shape of the stiff end of described collecting unit holddown groove and brain wave acquisition unit and temperature collecting cell is suitable.
Further, electrod-array fixture adopts telescopic elastic material, can be for the people of different head circumferences, and its width is 1.5cm, thickness is 0.5cm.
Further, described brain electricity reference potential whole unit is ear-holder type structure, comprises ear clip and is arranged on the reference potential acquisition electrode on ear clip, and described reference potential acquisition electrode is two, and directly contacts with the vertical positive and negative of picking up the ears respectively.
As shown in Figure 4; further; described less radio-frequency receiver module; comprise radio-frequency antenna and micro USB interface; wherein; the signal characteristic information that described radio-frequency antenna sends for receiving brain wave acquisition unit and temperature collecting cell, described micro USB interface is for being connected with the information processing terminal;
Further, described radio-frequency antenna is that plate carries radio-frequency antenna or external 2db-9db antenna.
As shown in Figure 5, above-mentioned nothing is contact eeg collection system fixedly, also comprise collecting unit cradle, described collecting unit cradle comprises charging slot and USB interface, described USB interface is for being connected with external power source, described charging slot is with suitable with the shape of the stiff end of brain wave acquisition unit and temperature collecting cell, and charges before the use for brain wave acquisition unit and temperature collecting cell.
In the present embodiment, brain wave acquisition unit and temperature collecting cell are arranged in electrod-array fixture, and can in measuring process, dynamically increase or reduce the quantity of brain wave acquisition unit; Electrod-array fixture is close to human body skin surface by brain wave acquisition unit and temperature collecting cell, and the connecting path of each road brain wave acquisition elements reference current potential to brain electricity reference potential unit is provided; Between less radio-frequency receiver module and a plurality of brain wave acquisitions unit, be the signal transmission relation of one-to-many, in measuring process, can dynamically increase or reduce the quantity of brain wave acquisition unit; Electrode charge seat charges to brain wave acquisition unit and temperature collecting cell before using for system.
Brain wave acquisition unit and temperature collecting cell have identical apparent size, can any one collecting unit holddown groove of installing electrodes array fixture on.The embedded system of brain wave acquisition unit is integrated brain electric treatment and wireless line radiofrequency emitting module; The embedded system of temperature collecting cell is integrated signal processing and less radio-frequency transmitter module.Brain wave acquisition unit can amplify the EEG signals collecting, filtering, feature extraction, less radio-frequency transmitting; Temperature collecting cell can extract by the temperature test chip in unit the temperature information of test point.
Brain wave acquisition unit is without placing according to traditional electrode for encephalograms position, for without fixing contact type structure.
Between signals collecting in described brain wave acquisition unit and less radio-frequency sending module and less radio-frequency receiver module, be the transmission of many-one signal, and can increase at any time or reduce signals collecting and dispensing device quantity.
The present embodiment provide without fixing contact eeg collection system, its information collecting method, comprises the following steps:
Step 1, data acquisition, comprising:
It is reference potential that brain electricity reference potential unit be take in-brain wave acquisition unit, gathers the EEG signals of a plurality of brains electricity key positions by EEG measuring electrode simultaneously;
-temperature collecting cell is measured temperature information by temperature acquisition chip;
Step 2, pretreatment, comprising:
The EEG signals that the first signal of-brain wave acquisition unit is processed and less radio-frequency transmitter module collects EEG measuring electrode is carried out filtering, amplification, and the mode by pattern match obtains characteristic information;
The temperature signal that the secondary signal of-temperature collecting cell is processed and less radio-frequency transmitter module collects temperature acquisition chip carries out filtering, amplification, and the mode by pattern match obtains characteristic information;
Step 3, less radio-frequency sends, and the private secondary signal collection of first signal collection and less radio-frequency sending module and less radio-frequency sending module send the signal characteristic information after processing by less radio-frequency;
Step 4, less radio-frequency receives: less radio-frequency receiver module receives multichannel EEG signals and characteristic information and some temperature signals and characteristic information thereof by radio-frequency antenna simultaneously, and is transmitted to the information processing terminal by micro USB mouth.
Further, in described step 1, user can increase at any time signals collecting and dispensing device quantity joins quantity to reduce headband weight and volume to obtain more brain electric informations or minimizing brain electric conductance;
Further, described first signal collection and less radio-frequency sending module adopt the form sampled data of frequency hopping, and adopt the mode transmitting data of dynamic group net.
Further, described first signal collection and less radio-frequency sending module and secondary signal collection and less radio-frequency sending module all adopt intelligent relaying multipoint wireless armarium communication protocol, comprising: armarium interconnected communication standard and the IEC80001 armarium IT network risk management agreement of IEEE11073 definition.
Further, the signal processing using in described step 2 and step 3 and signal transmission code are all realized in the embedded system of first signal processing and less radio-frequency transmitter module or secondary signal processing and less radio-frequency transmitter module.
Further, described EEG Processing code and EEG signals wireless transmission code are all realized in the signals collecting of brain wave acquisition unit and the embedded system of less radio-frequency sending module.Filtering code and EEG signals wireless transmission code are all used Keil C51 to write.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. the fixing contact eeg collection system of nothing, is characterized in that, comprising: array of acquisition units, electrod-array fixture and less radio-frequency receiver module, wherein:
-array of acquisition units is removably mounted in electrod-array fixture, described array of acquisition units and the wireless connections of less radio-frequency receiver module;
-electrod-array fixture, for placing array of acquisition units, by regulating electrod-array fixture make array of acquisition units and gather position close contact, and provides the connecting path of reference potential for array of acquisition units;
-less radio-frequency receiver module, with array of acquisition units wireless connections, the EEG signals characteristic information sending for receiving array of acquisition units, and EEG signals characteristic information is sent to the information processing terminal;
Described array of acquisition units comprises a brain electricity reference potential unit and a plurality of brain wave acquisitions unit and some temperature collecting cells, wherein:
-a plurality of brain wave acquisitions unit is arranged in electrod-array fixture with the form of array, for gathering EEG signals data;
-temperature collecting cell is arranged in electrod-array fixture, for collecting temperature signal data;
-brain electricity reference potential unit is arranged in electrod-array fixture, for providing reference potential to each brain wave acquisition unit.
2. the fixing contact eeg collection system of nothing according to claim 1, it is characterized in that, described any brain wave acquisition unit includes: integrated EEG measuring electrode, brain electricity reference electrode, the first power supply, first signal is processed and less radio-frequency transmitter module, and first sensor mounting groove, described EEG measuring electrode and brain electricity reference electrode have formed the collection terminal of brain wave acquisition unit, the first power supply and first signal are processed and less radio-frequency transmitter module is integrated into an integral body, and formed the stiff end of brain wave acquisition unit with first sensor mounting groove, wherein:
-EEG measuring electrode, gathers around for gathering EEG signals number;
-brain electricity reference electrode, is connected with brain electricity reference potential unit, for the brain electricity reference potential reference potential that unit gathers is provided to EEG measuring electrode.
The-the first power supply, for processing to first signal and the power supply of less radio-frequency transmitter module;
-first signal is processed and less radio-frequency transmitter module; with the wireless connections of less radio-frequency receiver module; for EEG signals that EEG measuring electrode is collected amplify, filtering and pattern recognition, the EEG signals characteristic information extracting is sent to less radio-frequency receiver module;
-first sensor mounting groove, for fixing brain wave acquisition unit;
Described any temperature collecting cell includes: integrated temperature acquisition chip, second source, secondary signal are processed and less radio-frequency transmitter module and the second installation of sensors groove, described temperature acquisition chip has formed the collection terminal of temperature collecting cell, second source and secondary signal are processed and less radio-frequency transmitter module is integrated into an integral body, and formed the stiff end of temperature collecting cell with the second installation of sensors groove, wherein:
-temperature acquisition chip, for collecting temperature signal data;
-second source, for processing to secondary signal and the power supply of less radio-frequency transmitter module;
-secondary signal is processed and less radio-frequency transmitter module; with the wireless connections of less radio-frequency receiver module; for temperature signal that temperature acquisition chip is collected amplify, filtering and pattern recognition, the temperature signal characteristic information extracting is sent to less radio-frequency receiver module;
The-the second installation of sensors groove, for fixed temperature collecting unit.
3. the fixing contact eeg collection system of nothing according to claim 2, it is characterized in that, described EEG measuring electrode comprises: conductive material, fill inner bag and end liner, described conductive material is wrapped in the outside of filling inner bag, and be arranged on end liner, wherein, described conductive material is silver-colored fiber conductive fabric or electrosilvering coating, described filling inner bag is sponge or ambroin, described end liner is ambroin, described silver-colored fiber conductive fabric parcel sponge inner bag sticking on forms EEG measuring electrode or electrosilvering coating and covers on ambroin inner bag and stick on and on ambroin end liner, form EEG measuring electrode on ambroin end liner,
Described the first power supply and second source are chargeable lithium cell.
4. the fixing contact eeg collection system of nothing according to claim 1, it is characterized in that, described electrod-array fixture integral body is elastic head band structure, comprise elastic bands and be embedded a plurality of collecting unit holddown grooves in elastic bands with the form of array, the bottom land of described a plurality of collecting unit holddown grooves interconnects by flexible wire, and be connected with brain electricity reference potential unit, the shape of the stiff end of described collecting unit holddown groove and brain wave acquisition unit and temperature collecting cell is suitable.
5. the fixing contact eeg collection system of nothing according to claim 1, it is characterized in that, described brain electricity reference potential whole unit is ear-holder type structure, comprise ear clip and be arranged on the reference potential acquisition electrode on ear clip, described reference potential acquisition electrode is two, and directly contacts with the vertical positive and negative of picking up the ears respectively.
6. the fixing contact eeg collection system of nothing according to claim 1; it is characterized in that; described less radio-frequency receiver module; comprise radio-frequency antenna and micro USB interface; wherein; the signal characteristic information that described radio-frequency antenna sends for receiving brain wave acquisition unit and temperature collecting cell, described micro USB interface is for being connected with the information processing terminal;
Described radio-frequency antenna is that plate carries radio-frequency antenna or external 2db-9db antenna.
According to described in any one in claim 1 to 6 without fixing contact eeg collection system, it is characterized in that, also comprise collecting unit cradle, described collecting unit cradle comprises charging slot and USB interface, described USB interface is for being connected with external power source, described charging slot is with suitable with the shape of the stiff end of brain wave acquisition unit and temperature collecting cell, and charges before the use for brain wave acquisition unit and temperature collecting cell.
In claim 1 to 7 described in any one without a fixing information collecting method for contact eeg collection system, it is characterized in that, comprise the following steps:
Step 1, data acquisition, comprising:
It is reference potential that brain electricity reference potential unit be take in-brain wave acquisition unit, gathers the EEG signals of a plurality of brains electricity key positions by EEG measuring electrode simultaneously;
-temperature collecting cell is measured temperature information by temperature acquisition chip;
Step 2, pretreatment, comprising:
The EEG signals that the first signal of-brain wave acquisition unit is processed and less radio-frequency transmitter module collects EEG measuring electrode is carried out filtering, amplification, and the mode by pattern match obtains characteristic information;
The temperature signal that the secondary signal of-temperature collecting cell is processed and less radio-frequency transmitter module collects temperature acquisition chip carries out filtering, amplification, and the mode by pattern match obtains characteristic information;
Step 3, less radio-frequency sends, and first signal collection and less radio-frequency sending module and secondary signal collection and less radio-frequency sending module send the signal characteristic information after processing by less radio-frequency;
Step 4, less radio-frequency receives: less radio-frequency receiver module receives multichannel EEG signals and EEG signals characteristic information and some temperature signals and temperature signal characteristic information by radio-frequency antenna simultaneously, and is transmitted to the information processing terminal by micro USB mouth.
9. the fixing information collecting method of contact eeg collection system of nothing according to claim 8, is characterized in that, described first signal collection and less radio-frequency sending module adopt the form sampled data of frequency hopping, and adopts the mode transmitting data of dynamic group net;
Described first signal collection and less radio-frequency sending module and secondary signal collection and less radio-frequency sending module all adopt intelligent relaying multipoint wireless armarium communication protocol, comprising: armarium interconnected communication standard and the IEC80001 armarium IT network risk management agreement of IEEE11073 definition.
10. the fixing information collecting method of contact eeg collection system of nothing according to claim 8, it is characterized in that, the signal processing using in described step 2 and step 3 and signal transmission code are all realized in the embedded system of first signal processing and less radio-frequency transmitter module or secondary signal processing and less radio-frequency transmitter module.
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Effective date of registration: 20170901 Address after: 200120 Shanghai City, Pudong New Area Xiang Ke Lu 111 No. 3 Building 9 layer Patentee after: Shanghai titanium Robot Technology Co., Ltd. Address before: 201203 Shanghai city Pudong New Area Bibo Road, Lane 456 room C110 Zhangjiang hi tech Co-patentee before: Ruan Hao Patentee before: Pan Jing |
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Address after: 200120 9, 3 building, 111 Cheung Ke Road, Pudong New Area, Shanghai. Patentee after: Shanghai TIMI robot Co.,Ltd. Address before: 200120 9, 3 building, 111 Cheung Ke Road, Pudong New Area, Shanghai. Patentee before: SHANGHAI TMI ROBOT TECHNOLOGY Co.,Ltd. |