Method using magnetoresistive effect to search and locate animal body

A magnetoresistance effect, animal body technology, applied in the use of re-radiation, electric/magnetic exploration, sound wave re-radiation, etc. question

Inactive Publication Date: 2013-06-19
CHENGDU REALTIME TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In biological experiment research, agricultural production application, biological habit research, animal remote monitoring, and agricultural production and income increase, it is necessary to search and locate animals. At present, there are many methods for searching and locating animals, such as wireless positioning technology and chip implantation technology. etc., but they all have a common feature: the chip is larger in size, generally not less than 5 cubic millimeters, and the test distance is small, generally not greater than 10 cm. Smaller organisms to be tested, such as insects, cannot be located by tracking chips due to their small size and simple and fragile body structure

Method used

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  • Method using magnetoresistive effect to search and locate animal body
  • Method using magnetoresistive effect to search and locate animal body
  • Method using magnetoresistive effect to search and locate animal body

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Embodiment 1: A method for finding and locating an animal body using the magnetoresistance effect. The tracer permanent magnet is fixed on the measured animal object, and the magnetic field of the tracer permanent magnet is added to the magnetoresistance sensor of the magnetoresistance detector to generate the magnetoresistance effect And make the magnetoresistance sensor output electric signal change; Described magnetoresistance detector comprises power supply P1, magnetoresistance sensor unit 101, digital-to-analog converter unit 102, central processing unit U1, and power supply P1 gives magnetoresistance sensor unit 101, digital-analog The converter unit 102 and the central processing unit U1 provide power, and the analog electrical signal generated by the magnetoresistive sensor unit 101 is converted into a digital signal by the digital-to-analog converter unit 102 and then transmitted to the central processing unit U1, and the central processing unit U1 calculates th...

Embodiment 2

[0029] Embodiment 2: the basic structure of the present embodiment is the same as embodiment 1, and the difference is: the monitored Italian bee is packed in a cuboid box, and the permanent magnet sheet of 0.5 cubic millimeter is pasted on the Italian bee body with glue earlier, and the three-dimensional magnetic The three magnetoresistive sensors of the resistive sensor are also packaged separately. When in use, the three magnetoresistive sensors are respectively placed on the three adjacent surfaces of the box. It can also be transmitted to the central processing unit by optical fiber, wireless and other communication methods), and the central processing unit executes the corresponding program to process the input signal, and then transmits it to the display from the central processing unit or to the storage device for storage.

[0030] In Embodiment 2, magnetoresistive sensors can also be placed outside the other walls of the monitoring box 103 .

[0031] In Embodiment 2, t...

Embodiment 3

[0033] Embodiment 3: The basic structure of this embodiment is the same as that of Embodiment 2, the difference is that: the volume of the monitoring box 103 is larger, and one of its length (X axis), width (Y axis), and height (Z axis) exceeds 20cm, or more than 20cm, place a magnetoresistive sensor every 20cm on the same axis. In this way, the activity track of the animal body within a larger activity range can be monitored.

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PUM

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Abstract

The invention discloses a method using a magnetoresistive effect to search and locate an animal body. A tracing permanent magnet is fixed on an animal body to be detected and is arranged outside a magnetic resistance detection device in an independent mode, the action of a magnetic field of the tracing permanent magnet is exerted on a magnetoresistive sensor, the magnetoresistive effect is generated, the magnetoresistive sensor is enabled to output electrical signals, and the electrical signals show that the position, relevant to the magnetoresistive sensor, of the tracing permanent magnet. According to the size of the animal body, a tracing permanent magnet of 0.1-5 cubic millimeters is selectively used, the tracing permanent magnet can be a tracing permanent magnet below 1 cubic millimeter and can reach the minimum size of 0.1 cubic millimeter, so that the tracing permanent magnet can be enabled to be carried by a plurality of animal bodies with small sizes, and when the distance between the animal body to be detected and the tracing permanent magnet is in a range of 0-100cm, identification can be achieved.

Description

technical field [0001] The invention relates to a method for searching and locating an animal body, in particular to a method for searching and locating an animal body by utilizing the magnetoresistance effect. Background technique [0002] In biological experiment research, agricultural production application, biological habit research, animal remote monitoring, and agricultural production and income increase, it is necessary to search and locate animals. At present, there are many methods for searching and locating animals, such as wireless positioning technology and chip implantation technology. etc., but they all have a common feature: the chip is larger in size, generally not less than 5 cubic millimeters, and the test distance is small, generally not greater than 10 cm. Smaller measured organisms, such as insects, cannot be located by methods such as tracking chips due to their small size and simple and fragile body structure. [0003] Measurement of magnetic flux, ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/08
Inventor 汪平
Owner CHENGDU REALTIME TECH IND
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