CN103267981A - Regional magnetic field exploring device carried by animals - Google Patents
Regional magnetic field exploring device carried by animals Download PDFInfo
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- CN103267981A CN103267981A CN2013101635074A CN201310163507A CN103267981A CN 103267981 A CN103267981 A CN 103267981A CN 2013101635074 A CN2013101635074 A CN 2013101635074A CN 201310163507 A CN201310163507 A CN 201310163507A CN 103267981 A CN103267981 A CN 103267981A
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Abstract
The invention relates to a regional magnetic field exploring device carried by animals. The regional magnetic field exploring device comprises a main control module, a GPS module, a power source module, a storage card module and a geomagnetic measurement module, wherein the GPS module is used for receiving a GPS signal through an antenna and outputting information of positions, time and movement states to the main control module through a serial port; the storage card module is used for forming an SPI bus through a wire to carry out bidirectional data transmission with the main control module; the geomagnetic measurement module is used for converting inducted magnetic field information into three-dimensional magnetic field strength data and transmitting the three-dimensional magnetic field strength data to the main control module; the main control module is used for controlling working states of other modules, receiving the information of the geomagnetic measurement module and the GPS module, and storing the information in a data storage module after integrating the information. The regional magnetic field exploring device can be used for tracking and positioning the movable animals, searching the migratory behaviors of birds, searching the influence of an earth magnetic field and external magnetic stimulation on navigation behaviors of the animals, and exploring and recording a magnetic field within a large region.
Description
Technical field
The present invention relates to a kind of sniffer of regional magnetic field, particularly a kind of sniffer of the regional magnetic field that carries for animal.
Background technology
The magnetic field of the earth is as the basic physical field of the earth, for physical prospecting provides important information, for navigation provides natural frame of reference.As navigation information, the magnetic field of the earth has the characteristics of round-the-clock, round-the-clock, full region.Variation and the characteristic of surveying earth magnetism are significant in scientific research and engineering application.At present, the method in detection magnetic field of the earth mainly contains ground magnetic survey, marine magnetic survey, airborne magnetic survey, satellite magnetic survey, geomagnetic observatory measurement etc.Wherein, airborne magnetic survey is being widely used aspect geologic prospecting and the measurement.Airborne magnetic survey is to carry magnetic field detectors by aircraft or aircraft directly to survey.Its advantage is can the quick continuous coverage in large areas, and for some special region or landform, can't carry out the low latitude exploration; In addition, the operating cost of this mode of airborne magnetic survey is very high.
Summary of the invention
In order to overcome above deficiency, the invention provides a kind of for animal, the sniffer of the regional magnetic field that carries of birds particularly, the research, magnetic field of the earth and the extraneous magnetic that are used for mobile object is carried out track and localization, migration of birds behavior stimulate the research of the influence of animal navigation behavior, detection and the record of big regional internal magnetic field.The present invention is the additional technology of magnetic detection method routinely.
In order to reach above purpose, major technique of the present invention thes contents are as follows:
A kind of sniffer of the regional magnetic field that carries for animal comprises main control module, GPS module, power module, memory card module, magnetic survey module; Described main control module connects GPS module, power module, memory card module and magnetic survey module respectively;
Described GPS module is used for receiving gps satellite signal and through serial ports position, time and motion state information being exported to main control module by antenna;
Described power module is used to whole device that power supply is provided;
Described memory module is used for carrying out bidirectional data transfers by lead composition spi bus and main control module;
Described magnetic survey module is used for the Magnetic Field of sensing, and is transferred to main control module after converting the three-dimensional magnetic field intensity data to;
Described main control module comprises main control chip and clock circuit, is used for the duty of other modules of control, and receives the ground magnetic information of magnetic survey module and position, time and the motion state information of GPS module, deposits information in data memory module after the integration.
The main control chip of above-mentioned main control module is the Atmage8 single-chip microcomputer.
The clock circuit of above-mentioned main control module comprises C
1And C
2Two electric capacity and the crystal oscillator that oscillation frequency is 8MHz.
Above-mentioned GPS module comprises the SR-92GPS module, gives main control module by TXD, RXD serial ports with information conveyance, and renewal frequency is 4Hz.
Above-mentioned memory module can be used TF card or SD card, on the SPI port of described memory module R is set
1, R
2, R
3, R
44 pull-up resistors.
Above-mentioned magnetic survey module is the MAG3110 geomagnetic sensor, is responsible for three ground of induction magnetic information, and by the I2C interface ground magnetic information is exported to main control module, and its sensitivity is 0.1uT, and range is ± 1000uT that renewal frequency is 80Hz; Described magnetic survey module arranges C
3, C
4, C
5, C
6, C
7Be its peripheral electric capacity, for it provides stable power and suitable external capacitor; R also is set
5, R
6Pull-up resistor for its I2C interface.
Above-mentioned GPS module also comprises antenna, described antenna can be integrated also can be external.
Above-mentioned power module comprises chargeable lithium cell core and holding circuit, and its operating voltage is 3.7V, and capacity is greater than 200mAh.
Above-mentioned GPS module is connected by three leads with main control module, and wherein two composition serial ports carry out data transmission, and whether a control GPS works; Described memory card module and main control module are formed spi bus by four leads and are carried out bidirectional data transfers; Described magnetic survey module is connected by three leads with main control module, and wherein two formation I2C buses are carried out the data double-way transmission, and one ready as trigger pip notice main control module ground magnetic information.
By technique scheme, the present invention has following advantage at least:
1, the continuous recording time long, the information of record is complete.
Because the various data that adopt storage card to store tracked object, as: current magnetic field intensity, magnetic field angle, position, time, motion state (speed, highly, course, acceleration) etc.Though contain much information, the capacity of the storage card (as SD card, TF card) that this device is supported is very big (the maximum 2G that supports of the design) also, but the longest continuous recording of card 60 days.
2, Ji Lu data are easy to analyze and handle.
Storage card can take off from this device very easily, and the data of record are text formatting (TXT files).Can directly be identified and read by computer.Be easy to follow-up data analysis and processing.And, again storage card is installed back this device after, former record data still can keep.
3, total system is small and exquisite, in light weight.
Animal is carried for convenience, and the native system overall weight is no more than 30g, and volume is less than 3cm * 4cm * 2cm.
4, geomagnetic data and gps data combine.
Record tracked motion of objects, positional information and external magnetic field information simultaneously, greatly made things convenient for collection and the data analysis of ground magnetic information.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is system chart of the present invention;
Fig. 2 is structural drawing of the present invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
As shown in Figure 1, a kind of sniffer of the regional magnetic field that carries for animal comprises main control module, GPS module, power module, memory card module, magnetic survey module; Main control module connects GPS module, power module, memory card module and magnetic survey module respectively;
The GPS module is used for receiving gps satellite signal and through serial ports position, time and motion state information being exported to main control module by antenna;
Power module is used to whole device that power supply is provided;
Memory module is used for carrying out bidirectional data transfers by lead composition spi bus and main control module;
The magnetic survey module is used for the Magnetic Field of sensing, and is transferred to main control module after converting the three-dimensional magnetic field intensity data to;
Main control module comprises main control chip and clock circuit, is used for the duty of other modules of control, and receives the ground magnetic information of magnetic survey module and position, time and the motion state information of GPS module, deposits information in data memory module after the integration.
As shown in Figure 2, the main control chip of main control module is the Atmage8 single-chip microcomputer, uses U
1Expression is responsible for the duty of other modules of control, and is received the ground magnetic information of magnetic survey module and position, time and the motion state information of GPS module, deposits information in data memory module after the integration, and the clock circuit of main control module comprises C
1And C
2Two electric capacity and the crystal oscillator that oscillation frequency is 8MHz.
The GPS module comprises the SR-92GPS module, uses U
2Expression is responsible for receiving gps satellite signal, and by serial ports (TXD, RXD) position, time and motion state information is exported to the Atmage8 single-chip microcomputer, and renewal frequency is 4Hz.The GPS module also comprises antenna, antenna can be integrated also can be external.
Memory module can be used TF card or SD card, on the SPI port of described memory module R is set
1, R
2, R
3, R
44 pull-up resistors.
The magnetic survey module is the MAG3110 geomagnetic sensor, is responsible for three ground of induction magnetic information, and by the I2C interface ground magnetic information is exported to main control module, and its sensitivity is 0.1uT, and range is ± 1000uT that renewal frequency is 80Hz; Described magnetic survey module arranges C
3, C
4, C
5, C
6, C
7Be its peripheral electric capacity, for it provides stable power and suitable external capacitor; R also is set
5, R
6Pull-up resistor for its I2C interface.
Power module comprises chargeable lithium cell core and holding circuit, and its operating voltage is 3.7V, and capacity is greater than 200mAh.
As shown in Figure 2, the GPS module is connected by three leads with main control module, and wherein two composition serial ports carry out data transmission, and whether a control GPS works; Described memory card module and main control module are formed spi bus by four leads and are carried out bidirectional data transfers; Described magnetic survey module is connected by three leads with main control module, and wherein two formation I2C buses are carried out the data double-way transmission, and one ready as trigger pip notice main control module ground magnetic information.
Principle of work and process:
1, the GPS module generates standard N MEA-0183 formatted data by the antenna receiving satellite signal and through inner data processing circuit, renewal frequency with 4Hz, (RXD, TXD) sends main control chip Atmega8 to by serial ports, and causes that the serial ports of Atmega8 receives interruption.Receive in the interrupt service routine at serial ports, Atmega8 finishes data and is cached among the inner RAM, and puts the information of out position, time, athletic posture in order.
2, simultaneously, the magnetic survey module is with the Magnetic Field of sensing, after converting the three-dimensional magnetic field intensity data to, renewal frequency with 8Hz, (SCL, SDA) sends main control chip to by the I2C port, and triggers the external interrupt of Atmega8 by INT1, in INT1 external interrupt service routine, Atmega8 finishes data and is cached among the inner RAM, and calculates intensity and the angle in magnetic field.
3, after the data in the RAM buffer memory reach 512 bytes, Atmega8 starts spi bus, writes 512 byte datas in storage module, and the file record sheet in the updated stored card.
The present invention has following advantage at least:
1, the continuous recording time long, the information of record is complete.
Because the various data that adopt storage card to store tracked object, as: current magnetic field intensity, magnetic field angle, position, time, motion state (speed, highly, course, acceleration) etc.Though contain much information, the capacity of the storage card (as SD card, TF card) that this device is supported is very big (the maximum 2G that supports of the design) also, but the longest continuous recording of card 60 days.
2, Ji Lu data are easy to analyze and handle.
Storage card can take off from this device very easily, and the data of record are text formatting (TXT files).Can directly be identified and read by computer.Be easy to follow-up data analysis and processing.And, again storage card is installed back this device after, former record data still can keep.
3, total system is small and exquisite, in light weight.
Animal is carried for convenience, and the native system overall weight is no more than 30g, and volume is less than 3cm * 4cm * 2cm.
4, geomagnetic data and gps data combine.
Record tracked motion of objects, positional information and external magnetic field information simultaneously, greatly made things convenient for collection and the data analysis of ground magnetic information.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a sniffer that is used for the regional magnetic field that animal carries is characterized in that comprising main control module, GPS module, power module, memory card module, magnetic survey module; Described main control module connects GPS module, power module, memory card module and magnetic survey module respectively;
Described GPS module is used for receiving gps satellite signal and through serial ports position, time and motion state information being exported to main control module by antenna;
Described power module is used to whole device that power supply is provided;
Described memory module is used for carrying out bidirectional data transfers by lead composition spi bus and main control module;
Described magnetic survey module is used for the Magnetic Field of sensing, and is transferred to main control module after converting the three-dimensional magnetic field intensity data to;
Described main control module comprises main control chip and clock circuit, is used for the duty of other modules of control, and receives the ground magnetic information of magnetic survey module and position, time and the motion state information of GPS module, deposits information in data memory module after the integration.
2. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: the main control chip of described main control module is the Atmage8 single-chip microcomputer.
3. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: the clock circuit of described main control module comprises C
1And C
2Two electric capacity and the crystal oscillator that oscillation frequency is 8MHz.
4. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: described GPS module comprises the SR-92GPS module, gives main control module by TXD, RXD serial ports with information conveyance, renewal frequency is 4Hz.
5. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: described memory module can be used TF card or SD card, on the SPI port of described memory module R is set
1, R
2, R
3, R
44 pull-up resistors.
6. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: described magnetic survey module is the MAG3110 geomagnetic sensor, be responsible for three ground of induction magnetic information, and by the I2C interface ground magnetic information is exported to main control module, its sensitivity is 0.1uT, range is ± 1000uT that renewal frequency is 80Hz; Described magnetic survey module arranges C
3, C
4, C
5, C
6, C
7Be its peripheral electric capacity, for it provides stable power and suitable external capacitor; R also is set
5, R
6Pull-up resistor for its I2C interface.
7. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: described GPS module also comprises antenna, described antenna can be integrated also can be external.
8. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: described power module comprises chargeable lithium cell core and holding circuit, and its operating voltage is 3.7V, and capacity is greater than 200mAh.
9. the sniffer of a kind of regional magnetic field that carries for animal according to claim 1, it is characterized in that: described GPS module is connected by three leads with main control module, wherein forms serial ports and carries out data transmission for two, and whether a control GPS works; Described memory card module and main control module are formed spi bus by four leads and are carried out bidirectional data transfers; Described magnetic survey module is connected by three leads with main control module, and wherein two formation I2C buses are carried out the data double-way transmission, and one ready as trigger pip notice main control module ground magnetic information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101635074A CN103267981A (en) | 2013-05-03 | 2013-05-03 | Regional magnetic field exploring device carried by animals |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101635074A CN103267981A (en) | 2013-05-03 | 2013-05-03 | Regional magnetic field exploring device carried by animals |
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| CN103267981A true CN103267981A (en) | 2013-08-28 |
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| CN2013101635074A Pending CN103267981A (en) | 2013-05-03 | 2013-05-03 | Regional magnetic field exploring device carried by animals |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441284A (en) * | 2016-03-31 | 2017-02-22 | 南京航空航天大学 | Three-axis magnetic field generating device and method for detecting birds for magnetic navigation orientation by aid of three-axis magnetic field generating device |
| CN107631722A (en) * | 2017-09-08 | 2018-01-26 | 维沃移动通信有限公司 | The calibration method and mobile terminal of a kind of electronic compass |
Citations (4)
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|---|---|---|---|---|
| EP0522861A1 (en) * | 1991-07-10 | 1993-01-13 | Pioneer Electronic Corporation | GPS direction detecting device with true magnetic circle and geomagnetic sensor |
| CN1291714A (en) * | 1999-10-11 | 2001-04-18 | 中国科学院空间科学与应用研究中心 | Combined geomagnetism aided navigation equipment |
| US20070210927A1 (en) * | 2006-03-07 | 2007-09-13 | Domeier Michael L | Tracking the geographic location of an animal |
| CN101430202A (en) * | 2008-12-05 | 2009-05-13 | 山东科技大学 | Apparatus and method for detecting animal navigation orientation |
-
2013
- 2013-05-03 CN CN2013101635074A patent/CN103267981A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0522861A1 (en) * | 1991-07-10 | 1993-01-13 | Pioneer Electronic Corporation | GPS direction detecting device with true magnetic circle and geomagnetic sensor |
| CN1291714A (en) * | 1999-10-11 | 2001-04-18 | 中国科学院空间科学与应用研究中心 | Combined geomagnetism aided navigation equipment |
| US20070210927A1 (en) * | 2006-03-07 | 2007-09-13 | Domeier Michael L | Tracking the geographic location of an animal |
| CN101430202A (en) * | 2008-12-05 | 2009-05-13 | 山东科技大学 | Apparatus and method for detecting animal navigation orientation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441284A (en) * | 2016-03-31 | 2017-02-22 | 南京航空航天大学 | Three-axis magnetic field generating device and method for detecting birds for magnetic navigation orientation by aid of three-axis magnetic field generating device |
| CN107631722A (en) * | 2017-09-08 | 2018-01-26 | 维沃移动通信有限公司 | The calibration method and mobile terminal of a kind of electronic compass |
| CN107631722B (en) * | 2017-09-08 | 2021-01-08 | 维沃移动通信有限公司 | Calibration method of electronic compass and mobile terminal |
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Application publication date: 20130828 |