CN103110462A - Device and method for adjusting vision in natural environment and recording bioelectricity and behaviors - Google Patents
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Abstract
The invention discloses a device and a method for adjusting vision in the natural environment and recording bioelectricity and behaviors. The device comprises an electronic eyeshade, a positioning module, a bioelectricity measuring portion and a main control portion. The bioelectricity measuring portion comprises a bioelectricity collection electrode, a bioelectricity signal amplifier, a low-pass filter, a band elimination filter, a multi-path switch and an AD (analog digital) converter. The main control portion comprises a data recording module, a USB (universal serial bus) interface module, a man-machine interaction module and a controller module. The device and the method for adjusting vision in the natural environment and recording bioelectricity and behaviors can artificially generate visual stimulation for animals in the natural environment, record paths of animal migration and bioelectricity parameters during animal migration in the whole course, analyze relation between bioelectricity and behavior response of animals under visual stimulation and provide support for scientific research of animal migration laws, migration paths, motion navigation and the like.
Description
Technical field
The present invention relates to the apparatus and method of visual accommodation and bio electricity and behavior record under a kind of natural environment, belong to electronic technology, animal medicine and behavior ecology research field.
Background technology
Vision is the main sensation path in the humans and animals perception external world, and humans and animals mainly relies on the processing of visual information and processes the feature of object in perception and identification, comprises shape, size, color and position and motion feature etc.In the vision research of routine, the main fixedly animal head that adopts presents the stimulation of specific coding, by optical imagery or bio-electro-physiologic technical notes bioelectric by vision.If zoologize in natural environment the mechanism of the visual cognition under free movement state, traditional vision research mode can't meet the demands.For example, when animal migrates motion in natural environment, which type of navigation function is vision play, and which type of navigation strategy animal takes again after its vision is interfered, when it changes strategy, its bioelectric, especially brain electrical acti can reflect its decision making process.At present, there is no correlation test apparatus and method effectively, be used for completing this research.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the technical solution used in the present invention is:
The device of visual accommodation and bio electricity and behavior record under a kind of natural environment is characterized in that: comprise electronics eyeshield, locating module, bioelectric measurement part and main control part;
Described electronics eyeshield for the visual stimulus of regulating animal, produces or eliminates visual disorder;
Described locating module is used for realizing reception from the framing signal of satellite, thereby knows current geographical coordinate information;
Described bioelectric measurement partly comprises: the bio electricity acquisition electrode is used for gathering the animal organism electricity; The amplifier of creatures' physical electric signals device; Low pass filter; Band elimination filter; Variable connector is used for the timesharing conducting, and the multichannel bioelectrical signals is sent into AD converter; AD converter is used for the bioelectrical signals after amplification filtering is converted to digital signal, exists in memorizer;
Described main control part comprises: data recordin module: record the visual stimulus state of animal, residing geography information and bioelectrical signals; Usb interface module: be used for realizing the data of storage chip are sent into the order of computer or receiving computer; Human-computer interaction module: be used for receiving operational order and realize the information demonstration; Controller module: send for the electronics eyeshield to drive signal to make its generation or eliminate visual stimulus, receive locating module geography information, receive bioelectric digitized signal, receive human-computer interaction module data, send order to data recordin module and make it carry out data record, carry out exchanges data by usb interface module and computer;
Wherein, after described bio electricity acquisition electrode, amplifier of creatures' physical electric signals device, low pass filter, band elimination filter, variable connector, AD converter connect successively, be connected in controller module; Described electronics eyeshield, locating module, data recordin module, usb interface module, human-computer interaction module are connected with controller module respectively.
The device of visual accommodation and bio electricity and behavior record under described natural environment, it is characterized in that: described electronics eyeshield comprises left eye unit and right eye unit, the driving signal that controller module sends is accepted separately in left eye unit and right eye unit, described electronics eyeshield passes through the fixedly eyes of monitored target of the first nylon adherent buckle, described the first nylon adherent buckle is provided be used to the eyes hole of exposing the electronics eyeshield, described electronics eyeshield adopts the transparent liquid crystal material to make, when without the driving signal, printing opacity can not produce visual disorder to animal fully; When receiving the driving signal, can interdict light, animal is produced visual disorder.
The device of visual accommodation and bio electricity and behavior record under described natural environment, it is characterized in that: described amplifier of creatures' physical electric signals device, low pass filter, band elimination filter, variable connector, AD converter, locating module, data recordin module, usb interface module, human-computer interaction module, controller module are arranged on a circuit board, and described circuit board is fixed in the back of monitored target by the second nylon adherent buckle; Described bio electricity acquisition electrode is fixed on the head of monitored target.
The device of visual accommodation and bio electricity and behavior record under described natural environment is characterized in that: described amplifier of creatures' physical electric signals device be divided into signal follow the part and signal amplifying part divide; Described signal is followed the voltage follower that part adopts high input impedance amplifier amplifier to form; Described signal amplifying part divides the employing two-stage to amplify, and comprises the first order and the second level, and the first order adopts differential amplifier circuit or the integration instrument amplifying circuit of high input impedance, high cmrr; Operational amplifier proportion of composing amplifying circuit is adopted in the second level; The described first order and second level gain are all adjustable.
The device of visual accommodation and bio electricity and behavior record under described natural environment is characterized in that: described data recordin module adopts EEPROM storage chip or SD to stick into capable data storage; And/or described locating module adopts GPS to locate receiver module.
The device of visual accommodation and bio electricity and behavior record under described natural environment is characterized in that: described low pass filter, and adopt amplifier to form the second order active low-pass filter, cut-off frequency is 500Hz; And/or described band elimination filter adopts amplifier to form double-T shaped band elimination filter.
The device of visual accommodation and bio electricity and behavior record under described natural environment is characterized in that: described AD converter, and the conversion chip of 12 and 12 above resolution of employing, sample frequency is 4KHz; And/or described usb interface module is that serial port turns the USB interface chip.
The device of visual accommodation and bio electricity and behavior record under described natural environment is characterized in that: described human-computer interaction module comprises button and light emitting diode; And/or described controller module adopts single-chip microcomputer.
Under natural environment, the method for visual accommodation and bio electricity and behavior record, comprise the following steps,
Step (1): the device of visual accommodation and bio electricity and behavior record under controller module initialization natural environment;
Step (2): the beginning intervalometer interrupts;
Step (3): receive and record the current geographical coordinate information of monitored target;
Step (4): timing arrives, and receives and record bio-electrical information;
Step (5): controller module when whether precondition matches with the condition that produces or cancel visual stimulus, drives signal controlling electronics eyeshield as coincideing to be sent by controller module according to the bio-electrical information judgement;
Step (6): whether the judgement test finishes, if do not finish, repeating step (3) is to step (5); If finish, enter step (7);
Step (7): take off device from monitored target, computer obtains data in data recordin module by usb interface module, carries out analytical data.
" producing or cancel the condition of visual stimulus " in described step (5) is: current geographical coordinate information and generation or the crucial geographical coordinate of cancelling visual stimulus match, or current time and stipulated time match.
Beneficial effect: the apparatus and method of visual accommodation and bio electricity and behavior record under natural environment provided by the invention, by these apparatus and method, 1, the electronics eyeshield of automatic operation, it can regulate visual stimulus according to condition timing or the fixed point of artificial setting, thereby changes the animal visual condition; Can be under the animal free movement state, timing or fixed point are regulated visual stimulus, such as applying or eliminate interference animal vision; 2, can record the bio electricity of animal in natural environment; 3, can be recorded in the track of animal movement in natural environment; Can the animal in natural environment not cooked under mandatory fixing condition, produce visual stimulus to animal artificially; Can omnidistance record the route that animal migrates motion; Can omnidistance record the biological electrical parameter of animal in the motion migration course; By the data that apparatus of the present invention are obtained, can analyze under animal the relation of its bio electricity and behavior response under visual stimulus, provide support for zoologizeing the scientific researches such as Migratory Regularity, migration routes, movement navigation; The method that visual stimulus was opened or cancelled to apparatus of the present invention is to liquid crystal load driver signal or cancels the driving signal; The visual stimulus of right and left eyes can be opened respectively or cancel to apparatus of the present invention, do not have incidence relation.
Description of drawings
Fig. 1 is device schematic diagram of the present invention;
Fig. 2 is method flow diagram of the present invention.
In figure: bio electricity acquisition electrode 1, amplifier of creatures' physical electric signals device 2, low pass filter 3, band elimination filter 4, variable connector 5, AD converter 6, locating module 7, data recordin module 8, usb interface module 9, human-computer interaction module 10, controller module 11, battery powered module 12, electronics eyeshield 13.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, the device for visual accommodation and bio electricity and behavior record under a kind of natural environment is characterized in that: comprise electronics eyeshield 13, locating module 6, bioelectric measurement part and main control part;
Described electronics eyeshield 13 for the visual stimulus of regulating animal, produces or eliminates visual disorder;
Described locating module 7 is used for realizing reception from the framing signal of satellite, thereby knows current geographical coordinate information;
Described bioelectric measurement partly comprises: bio electricity acquisition electrode 1 is used for gathering the animal organism electricity; Amplifier of creatures' physical electric signals device 2; Low pass filter 3; Band elimination filter 4; Variable connector 5 is used for the timesharing conducting, and the multichannel bioelectrical signals is sent into AD converter; AD converter 6 is used for the bioelectrical signals after amplification filtering is converted to digital signal, exists in memorizer;
Described main control part comprises: data recordin module 8: record the visual stimulus state of animal, residing geography information and bioelectrical signals; Usb interface module 9: be used for realizing the data of storage chip are sent into the order of computer or receiving computer; Human-computer interaction module 10: be used for receiving operational order and realize the information demonstration; Controller module 11: send for the electronics eyeshield to drive signal to make its generation or eliminate visual stimulus, receive locating module geography information, receive bioelectric digitized signal, receive human-computer interaction module data, send order to data recordin module and make it carry out data record, carry out exchanges data by usb interface module and computer;
Wherein, described bio electricity acquisition electrode 1, amplifier of creatures' physical electric signals device 2, low pass filter 3, band elimination filter 4, variable connector 5, AD converter 6 are connected in controller module after connecting successively; Described electronics eyeshield 13, locating module 7, data recordin module 8, usb interface module 9, human-computer interaction module 10 are connected with controller module 11 respectively.Also comprise battery powered module 12: provide power supply to above-mentioned each module; Consisted of by lithium battery, DC-DC and Voltage stabilizing module.
Described electronics eyeshield 13 comprises left eye unit and right eye unit, the driving signal that controller module 11 sends is accepted separately in left eye unit and right eye unit, described electronics eyeshield 13 passes through the fixedly eyes of monitored target of the first nylon adherent buckle, described the first nylon adherent buckle is provided be used to the eyes hole of exposing the electronics eyeshield, described electronics eyeshield adopts the transparent liquid crystal material to make, when without the driving signal, printing opacity can not produce visual disorder to animal fully; When receiving the driving signal, can interdict light, animal is produced visual disorder.
Described amplifier of creatures' physical electric signals device 2, low pass filter 3, band elimination filter 4, variable connector 5, AD converter 6, locating module 7, data recordin module 8, usb interface module 9, human-computer interaction module 10, controller module 11 are arranged on a circuit board, and described circuit board is fixed in the back of monitored target by the second nylon adherent buckle; Described bio electricity acquisition electrode 1 is fixed on the head of monitored target.
Described amplifier of creatures' physical electric signals device 2 be divided into signal follow the part and signal amplifying part divide; Signal is followed the voltage follower that part adopts high input impedance amplifier amplifier to form; Signal amplifying part divides the employing two-stage to amplify, and the first order adopts differential amplifier circuit or the integration instrument amplifying circuit of high input impedance, high cmrr, and amplification is about 10 times; Operational amplifier proportion of composing amplifying circuit, approximately 160 times of amplifications are adopted in the second level; The two-stage total magnification is 1600 times of left and right; The first order and second level gain are all adjustable;
Described data recordin module 8 adopts EEPROM storage chip or SD to stick into capable data storage; And/or described locating module adopts GPS to locate receiver module.
Described low pass filter 3 adopts amplifier to form the second order active low-pass filter, and cut-off frequency is 500Hz; And/or described band elimination filter adopts amplifier to form double-T shaped band elimination filter.
Described AD converter 6, the conversion chip of 12 and 12 above resolution of employing, sample frequency is 4KHz; And/or described usb interface module is that serial port turns the USB interface chip.
Described human-computer interaction module 10 comprises button and light emitting diode; And/or described controller module 11 adopts single-chip microcomputer.
As shown in Figure 2, a kind of method for visual accommodation and bio electricity and behavior record under natural environment comprises the following steps,
Step (1): the device of visual accommodation and bio electricity and behavior record under controller module initialization natural environment;
Step (2): the beginning intervalometer interrupts;
Step (3): receive and record the current geographical coordinate information of monitored target;
Step (4): timing arrives, and receives and record bio-electrical information;
Step (5): controller module when whether precondition matches with the condition that produces or cancel visual stimulus, drives signal controlling electronics eyeshield as coincideing to be sent by controller module according to the bio-electrical information judgement;
Step (6): whether the judgement test finishes, if do not finish, repeating step (3) is to step (5); If finish, enter step (7);
Step (7): take off device from monitored target, computer obtains data in data recordin module by usb interface module, carries out analytical data.
" producing or cancel the condition of visual stimulus " in described step (5) is: current geographical coordinate information and generation or the crucial geographical coordinate of cancelling visual stimulus match, or current time and stipulated time match.
Concrete utilization of the present invention is as follows:
One, device mounting means
The device that amplifier of creatures' physical electric signals device 2, low pass filter 3, band elimination filter 4, variable connector 5, AD converter 6, locating module 7, data recordin module 8, usb interface module 9, human-computer interaction module 10, controller module 11, battery powered module 12 are formed sticks on the thorn face of nylon adherent buckle with harmless seccotine; The hair side of nylon adherent buckle is sticked on back part of animal with harmless seccotine; Bonding the hair side of nylon adherent buckle and thorn face, fix apparatus of the present invention back portion.
Nylon adherent buckle is cut the hole, reserve the animal eyes part; The electronics eyeshield 13 harmless seccotines of use stick on the thorn face of nylon adherent buckle, and lcd segment covers the hole that reserves; The hair side of nylon adherent buckle is sticked on the animal eye with harmless seccotine, and eyes; Bonding the hair side of nylon adherent buckle and thorn face, as to fix this device head part.
The bio electricity acquisition electrode is fixed on the part of detecting of animal bodies.The nerve nucleus that the present embodiment adopts needle electrode to insert the animal head gathers bioelectrical signals, then fixes with medical fixative.
The animal of the present embodiment is adopted pigeon.
Two, device circuit embodiment
Circuit is implemented as follows:
Electronics eyeshield 13 adopts the TN transparent liquid crystal, can interdict light when adding the driving signal, animal is produced visual disorder, otherwise can not produce visual disorder.The present embodiment adopts the single hop liquid crystal, and its size is 5mm*5mm, drives P16, P17, P23, P24 foot that pin is connected to controller module single-chip microcomputer MSP430F427, adopts the dynamic driving mode.
Bio electricity amplifier of creatures' physical electric signals device 2: the present embodiment adopts amplifier AD8267 and peripheral circuit thereof as voltage follower circuit; Instrument amplifies as the first order with amplifying circuit AD8259 and peripheral circuit, Rg=4.7K, approximately 10 times of amplifications; Amplifier L324 and peripheral circuit thereof amplify as the second level, approximately 160 times of amplifications.
Low pass filter 3: the present embodiment amplifier L324 and peripheral circuit thereof form Second-Order Active Filters, and cut-off frequency is set in 250Hz.
Band elimination filter 4: the present embodiment amplifier L324 and peripheral circuit thereof form band elimination filter, fall into frequency setting at 50Hz.
Variable connector 5: adopt the built-in variable connector of controller module single-chip microcomputer MSP430F427.
AD converter 6: the present embodiment adopts 12 built-in bit A/D converter devices of controller module single-chip microcomputer MSP430F427.
Bio electricity acquisition electrode 1, bio electricity amplifier of creatures' physical electric signals device 2, low pass filter 3, band elimination filter 4, successively connect after, be connected in the analogue signal input pin of controller module single-chip microcomputer MSP430F427.
Locating module 7: receive the framing signal from satellite, thereby know current geographical coordinate information.The present embodiment adopts ST-93 GPS receiver module.Its output pin is connected to the serial port of single-chip microcomputer MSP430F427.
Data recordin module 8: record the residing geography information of animal and bioelectrical signals.The present embodiment adopts the MX25L3205D eeprom chip; Its pin is connected with single-chip microcomputer MSP430F427 SIP serial port.
Usb interface module 9: be used for communicating by letter with background computer, the present embodiment adopts PL2303, is connected in P1.0 and the P1.1 mouth line of single-chip microcomputer MSP430F427.
Human-computer interaction module 10 recipients' operational order and demonstration information are to the people.The present embodiment adopts red two light emitting diodes and two buttons, is connected to respectively the pin of single-chip microcomputer.
Controller module 11: the geography information and the bioelectrical signals that receive locating module; Sending order to data recordin module makes it carry out data record; Carry out exchanges data by usb interface module and computer; The present embodiment adopts single-chip microcomputer MSP430F427 and peripheral circuit thereof.
Battery powered module 12: consisted of by lithium battery and Voltage stabilizing module.The present embodiment adopts the lithium polymer battery of nominal 3.7V1000mah and XC6206P332 to form, and the dc source of 3.3V is provided for other modules.The present embodiment can be for apparatus of the present invention work more than 15 hours.
The overall work principle of the present embodiment is as follows: after battery powered module 12 was opened, controller module 11 initialized other modules and intervalometer, timing frequency 4KHz; Often receive a geography information from serial ports, namely deposit data recordin module 8 in; When timing arrives bioelectrical signals of post-sampling and record; Controller module 11 judges the condition of the current enforcement visual stimulus of whether loading simultaneously, if meet, the unlocking electronic eyeshield 13, otherwise close electronics eyeshield 13.Repeat above three work until finish.Take off apparatus of the present invention after animal goes back to the nest, obtain the data of record and analyze by usb interface module.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the device of visual accommodation and bio electricity and behavior record under a natural environment, is characterized in that: comprise electronics eyeshield, locating module, bioelectric measurement part and main control part;
Described electronics eyeshield for the visual stimulus of regulating animal, produces or eliminates visual disorder;
Described locating module is used for realizing reception from the framing signal of satellite, thereby knows current geographical coordinate information;
Described bioelectric measurement partly comprises: the bio electricity acquisition electrode is used for gathering the animal organism electricity; The amplifier of creatures' physical electric signals device; Low pass filter; Band elimination filter; Variable connector is used for the timesharing conducting, and the multichannel bioelectrical signals is sent into AD converter; AD converter is used for the bioelectrical signals after amplification filtering is converted to digital signal, exists in memorizer;
Described main control part comprises: data recordin module: record the visual stimulus state of animal, residing geography information and bioelectrical signals; Usb interface module: be used for realizing the data of storage chip are sent into the order of computer or receiving computer; Human-computer interaction module: be used for receiving operational order and realize the information demonstration; Controller module: send for the electronics eyeshield to drive signal to make its generation or eliminate visual stimulus, receive locating module geography information, receive bioelectric digitized signal, receive human-computer interaction module data, send order to data recordin module and make it carry out data record, carry out exchanges data by usb interface module and computer;
Wherein, after described bio electricity acquisition electrode, amplifier of creatures' physical electric signals device, low pass filter, band elimination filter, variable connector, AD converter connect successively, be connected in controller module; Described electronics eyeshield, locating module, data recordin module, usb interface module, human-computer interaction module are connected with controller module respectively.
2. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1, it is characterized in that: described electronics eyeshield comprises left eye unit and right eye unit, the driving signal that controller module sends is accepted separately in left eye unit and right eye unit, described electronics eyeshield passes through the fixedly eyes of monitored target of the first nylon adherent buckle, described the first nylon adherent buckle is provided be used to the eyes hole of exposing the electronics eyeshield, described electronics eyeshield adopts the transparent liquid crystal material to make, when without the driving signal, printing opacity can not produce visual disorder to animal fully; When receiving the driving signal, can interdict light, animal is produced visual disorder.
3. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1, it is characterized in that: described amplifier of creatures' physical electric signals device, low pass filter, band elimination filter, variable connector, AD converter, locating module, data recordin module, usb interface module, human-computer interaction module, controller module are arranged on a circuit board, and described circuit board is fixed in the back of monitored target by the second nylon adherent buckle; Described bio electricity acquisition electrode is fixed on the head of monitored target.
4. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1 is characterized in that: described amplifier of creatures' physical electric signals device is divided into that signal is followed part and signal amplifying part is divided; Described signal is followed the voltage follower that part adopts high input impedance amplifier amplifier to form; Described signal amplifying part divides the employing two-stage to amplify, and comprises the first order and the second level, and the first order adopts differential amplifier circuit or the integration instrument amplifying circuit of high input impedance, high cmrr; Operational amplifier proportion of composing amplifying circuit is adopted in the second level; The described first order and second level gain are all adjustable.
5. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1 is characterized in that: described data recordin module adopts EEPROM storage chip or SD to stick into capable data storage; And/or described locating module adopts GPS to locate receiver module.
6. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1 is characterized in that: described low pass filter, and adopt amplifier to form the second order active low-pass filter, cut-off frequency is 500Hz; And/or described band elimination filter adopts amplifier to form double-T shaped band elimination filter.
7. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1 is characterized in that: described AD converter, adopt the conversion chip of 12 and 12 above resolution, and sample frequency is 4KHz; And/or described usb interface module is that serial port turns the USB interface chip.
8. the device of visual accommodation and bio electricity and behavior record under natural environment according to claim 1, it is characterized in that: described human-computer interaction module comprises button and light emitting diode; And/or described controller module adopts single-chip microcomputer.
9. the method for visual accommodation and bio electricity and behavior record under natural environment, comprise the following steps,
Step (1): the device of visual accommodation and bio electricity and behavior record under controller module initialization natural environment;
Step (2): the beginning intervalometer interrupts;
Step (3): receive and record the current geographical coordinate information of monitored target;
Step (4): timing arrives, and receives and record bio-electrical information;
Step (5): controller module when whether precondition matches with the condition that produces or cancel visual stimulus, drives signal controlling electronics eyeshield as coincideing to be sent by controller module according to the bio-electrical information judgement;
Step (6): whether the judgement test finishes, if do not finish, repeating step (3) is to step (5); If finish, enter step (7);
Step (7): take off device from monitored target, computer obtains data in data recordin module by usb interface module, carries out analytical data.
10. the method for visual accommodation and bio electricity and behavior record under natural environment according to claim 9, it is characterized in that: " producing or cancel the condition of visual stimulus " in described step (5) is: current geographical coordinate information and generation or the crucial geographical coordinate of cancelling visual stimulus match, or current time and stipulated time match.
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| CN109938727A (en) * | 2017-12-20 | 2019-06-28 | 中国科学院深圳先进技术研究院 | Non-human primate 3D vision stimulation test system and method |
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