CN106229641B

CN106229641B - Antenna device for identifying animal electronic ear tag

Info

Publication number: CN106229641B
Application number: CN201610805735.0A
Authority: CN
Inventors: 钟伟朝; 耿玮; 钟日开; 杨惠永; 陈定敢; 罗土玉; 邹平; 周洪; 张荣波; 黄瑞森; 王开云
Original assignee: Guangdong Guangxing Animal Husbandry Machinery Equipment Co ltd; Guangdong Modern Agricultural Equipment Research Institute
Current assignee: Guangdong Guangxing Animal Husbandry Machinery Equipment Co ltd; Guangdong Modern Agricultural Equipment Research Institute
Priority date: 2016-09-06
Filing date: 2016-09-06
Publication date: 2023-04-28
Anticipated expiration: 2036-09-06
Also published as: CN106229641A

Abstract

The invention discloses an antenna device for identifying animal electronic ear tags, which comprises a first metal closed loop, a second metal closed loop, a magnetic core and a coil, wherein the first metal closed loop and the second metal closed loop are mutually and perpendicularly connected to form an antenna body, the connecting edges of the first metal closed loop and the second metal closed loop are public edges, the middle part of the public edges is outwards stretched to form a loop block, the magnetic core penetrates through the loop block, and the coil is sleeved on the magnetic core. According to the invention, two metal closed loops are vertically arranged and share a common edge, a loop block is formed on the common edge, a magnetic core penetrates through the loop block, when a resonance wave excitation coil is generated on the high-voltage side of an external signal source, the magnetic core sleeved with the coil can generate a transformation magnetic field, a closed loop circuit formed by the two metal closed loops penetrates through the magnetic field to generate induced potential to form radiation waves, the radiation waves can be generated in two vertical planes to identify and read and write data on the ear tag chip in the region, and the problem that the ear tag chip cannot be read and written due to deviation of animal ears can be effectively solved.

Description

Antenna device for identifying animal electronic ear tag

Technical Field

The invention relates to an animal identification technology, in particular to an antenna device for identifying an animal electronic ear tag.

Background

With the development of Radio Frequency Identification (RFID) technology, RFID cards are widely used on animals as an ear tag chip to be fixed on ears of the animals. Most of the existing radio frequency identification antennas can only detect and identify the ear tag chip in one plane. When the animal ear is deflected, the antenna may not recognize the animal ear tag chip, so that the ear tag chip cannot be recognized and relevant information of the animal cannot be read and written.

Disclosure of Invention

The invention provides an antenna device for identifying an animal electronic ear tag in order to overcome the defects in the prior art.

The invention is realized by adopting the following technical scheme:

the utility model provides an antenna device of animal electronics ear tag discernment, includes first metal closed loop, second metal closed loop, magnetic core and coil, first metal closed loop and second metal closed loop mutually perpendicular connect and form the antenna body, the connection limit of first metal closed loop and second metal closed loop is public limit, the middle part of public limit outwards stretches to form the loop block, the magnetic core passes the loop block, the coil cover is on the magnetic core.

Preferably, the antenna device for identifying the animal electronic ear tag further comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are respectively positioned at two sides of the loop block, two ends of the magnetic core are respectively fixed on the upper cover and the lower cover, and the coil is positioned between the upper cover and the lower cover.

Preferably, the first metal closed loop and the second metal closed loop are the same in shape and size.

Preferably, the ring block is arc-shaped.

Preferably, the first metal closed loop and the second metal closed loop are each composed of copper, aluminum or stainless steel material.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, two metal closed loops are vertically arranged and share one common side, a loop block is formed on the common side, a magnetic core penetrates through the loop block, when a resonance wave excitation coil is generated on the high-voltage side of an external signal source, the magnetic core sleeved with the coil can generate a transformation magnetic field, so that a closed loop circuit formed by the two metal closed loops penetrates through the magnetic field to generate induced potential to form radiation waves, the radiation waves can be generated in two vertical planes to identify and read and write data on the ear tag chip in the area, the problem that the ear tag chip cannot be read and written due to animal ear deflection can be effectively solved, and the identification and reading and writing effective rate and the correct rate of the ear tag chip of an animal are improved.

Drawings

Fig. 1 is a schematic structural diagram of an antenna device for identifying an animal electronic ear tag according to the present invention;

fig. 2 is a schematic diagram of the structure of the transformer and the ring block of the present invention.

Detailed Description

The following describes the embodiments of the present invention in detail with reference to the drawings.

As shown in fig. 1 and fig. 2, an antenna device for identifying an animal electronic ear tag comprises a first metal closed loop 1, a second metal closed loop 2, a magnetic core 3 and a coil 4, wherein the first metal closed loop 1 and the second metal closed loop 2 are mutually and vertically connected to form an antenna body, the connecting side of the first metal closed loop 1 and the second metal closed loop 2 is a public side 5, the middle part of the public side 5 is outwards stretched to form a loop block 6, the magnetic core 3 penetrates through the loop block 6, the coil 4 is sleeved on the magnetic core 3, and the coil 4 is connected with an external driving signal source, wherein the first metal closed loop 1 and the second metal closed loop 2 are identical in size and shape and are made of copper, aluminum or stainless steel and other materials; the ring 6 is curved, preferably curved, or otherwise has a substantially surrounding configuration so that the magnetic field generated by the core 3 passes through to generate an electrical potential. The core 3 and coil 4 may be replaced by a transformer as long as the core portion of the transformer passes through the loop block 6 causing the loop block to generate an induced potential.

When the resonance wave excitation coil 4 is generated at the high-voltage side of an external signal source, the magnetic core 3 sleeved with the coil 4 can generate a transformation magnetic field, so that two closed-loop circuits formed by the first metal closed loop 1 and the second metal closed loop 2 pass through the magnetic field to generate induced potential to form radiation waves, the radiation waves can be generated in two vertical planes to identify and read and write data on the ear tag chip in the region, and the problem that the ear tag chip cannot be read and written due to animal ear deflection can be effectively solved.

As shown in fig. 2, the antenna device identified by the animal electronic ear tag may further include a magnetic core fixing device, which is mainly used for ensuring that the magnetic core 3 passes through the loop block 6 and is fixed, and the structure may include an upper cover 7 and a lower cover 8, where the upper cover 7 and the lower cover 8 are respectively located at two sides of the loop block 6, two ends of the magnetic core 3 are respectively fixed on the upper cover 7 and the lower cover 8, and the coil 4 is located between the upper cover 7 and the lower cover 8. The upper cover 7 and the lower cover 8 may be directly fixed to the antenna body or may be relatively fixed to an external support member. Other structures can be used for the magnetic core fixing device, so long as the magnetic core 3 can pass through the ring block 6 and be fixed.

The above description is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, it is to be understood that the invention is not limited to the specific embodiments described herein. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an antenna device of animal electronics ear tag discernment, its characterized in that includes first metal closed loop, second metal closed loop, magnetic core and coil, first metal closed loop and second metal closed loop mutually perpendicular connect and form the antenna body, the connection limit of first metal closed loop and second metal closed loop is public limit, the middle part of public limit outwards stretches out and forms the loop block, the magnetic core passes the loop block, the coil cover is on the magnetic core.

2. The antenna device for recognizing the animal electronic ear tag according to claim 1, further comprising an upper cover and a lower cover, wherein the upper cover and the lower cover are respectively positioned at two sides of the loop block, two ends of the magnetic core are respectively fixed on the upper cover and the lower cover, and the coil is positioned between the upper cover and the lower cover.

3. The antenna device for animal electronic ear tag identification of claim 2, wherein the first and second closed metal loops are the same shape and size.

4. An antenna device for identification of an animal electronic ear tag according to claim 3, wherein said loop block is arcuate.

5. The antenna device for animal electronic ear tag identification according to any of claims 1 to 4, characterized in that the first and second metal closed loops are each composed of copper, aluminium or stainless steel material.