CN217062522U

CN217062522U - Magnetic antenna tuning plate

Info

Publication number: CN217062522U
Application number: CN202220169924.4U
Authority: CN
Inventors: 刘建中
Original assignee: Zhuhai Maxwell Electronic Technology Co ltd
Current assignee: Zhuhai Maxwell Electronic Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-26
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a design of magnetic antenna tuning board, including bar magnet, sheet material and electronic component, the outside of bar magnet is provided with H type skeleton and fixed high temperature resistant rubber ring, and fixed high temperature resistant rubber ring is located the outermost end of H type skeleton, and the below of H type skeleton is provided with the sheet material, and the upper surface of sheet material is provided with electronic component. The utility model discloses a to the harmonious innovation of magnetism antenna, the supplementary tuning control board has been increased, the problem of the harmonious difficulty of current magnetism antenna is solved, the signal interference crosstalk between active plate and the magnetism antenna has been improved, it has improved the matching problem between passive magnetism antenna and the active plate to increase harmonious board, adjustment electronic component realizes frequency point skew or changes, realize the multiple frequency point of an antenna, it has effectively improved the batch production preparation degree of difficulty to increase harmonious board, stable high magnetic permeability material has been adopted as the inductor of signal reception, the signal is stable, the signal noise ratio is higher, moreover, the steam generator is simple in structure.

Description

Magnetic antenna tuning plate

Technical Field

The utility model relates to an antenna field, in particular to magnetic antenna tuning board.

Background

With the development and progress of the times, the supervision of the underground pipeline industry is stricter and stricter nowadays, meanwhile, the urban construction speed is accelerated continuously, and each pipeline locator has wider and wider use frequency for the ground detection equipment and also puts forward more requirements for the detection antenna of the test equipment.

At present, a magnetic antenna manufacturer in China generally adopts direct winding when producing and manufacturing a magnetic antenna, and the passive part is given to the active part to be responsible, so that the magnetic antenna manufacturer and the passive part are respectively manufactured and welded together finally, the manufactured magnetic antenna manufacturer and the passive part are different in quality, and a lot of unpredictable problems are brought to a detection instrument.

In the existing magnetic antenna manufacturers, two ends of a coil are directly connected with equipment without any treatment, so that the performance condition of the magnetic antenna cannot be known and mastered.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a magnetism antenna tuning board.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a magnetic antenna tuning board, including bar magnet, sheet material and electronic component, the outside of bar magnet is provided with H type skeleton and fixed high temperature resistant rubber ring, and fixed high temperature resistant rubber ring is located the outermost end of H type skeleton, the below of H type skeleton is provided with the sheet material, the upper surface of sheet material is provided with electronic component, the outside of H type skeleton is provided with the coil and places the district, the tip both sides of H type skeleton are provided with the skeleton opening.

As a preferred technical scheme of the utility model, one of H type skeleton is a set of, and the outside of bar magnet is provided with three group at least or multiunit H type skeletons, the skeleton opening is U type opening.

As a preferred technical scheme of the utility model, the size of bar magnet can change.

As an optimized technical scheme of the utility model, the sheet material is FR4, Rogers sheet material or other electron sheet materials.

As a preferred technical scheme of the utility model, electronic component includes electric capacity, resistance and inductance.

As a preferred technical scheme of the utility model, last electric capacity, resistance and the inductance of being provided with at least of electronic component.

As a preferred technical scheme of the utility model, the size of a dimension of H type skeleton is according to different scenes, different specifications and bar magnet size design adjustment.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a to the magnetic antenna tuning innovate, increased the auxiliary tuning control panel, solved the problem that current magnetic antenna tuning is difficult, improved the signal interference between active plate and the magnetic antenna is disturbed, increased the tuning board and improved the matching problem between passive magnetic antenna and the active plate, adjust the electronic component and realize frequency point skew or change, realize the multiple frequency point of an antenna, increased the tuning board and effectively improved the batch production preparation degree of difficulty, adopted stable high magnetic permeability material as the inductor of signal reception, the signal is stable, the signal noise ratio is higher, simple structure, can be widely used in cable and pipeline locater, pipeline detection, metal and magnetic locater, the test device can be used for ground detection and deep space detection, and particularly has wide application prospect by virtue of unique working characteristics in some special measurement fields.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial structural schematic diagram of the present invention;

FIG. 3 is a partial structural view of an H-shaped skeleton;

in the figure: 1. an H-shaped framework; 2. a magnetic bar; 3. a plate material; 4. an electronic component; 5. fixing a high-temperature-resistant rubber ring; 6. a coil placement area; 7. the framework is opened.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-3, the utility model provides a magnetic antenna tuning board, including bar magnet 2, sheet material 3 and electronic component 4, the outside of bar magnet 2 is provided with H type skeleton 1 and fixed high temperature resistant rubber ring 6, and fixed high temperature resistant rubber ring 6 is located H type skeleton 1's outermost end, and the below of H type skeleton 1 is provided with sheet material 3, and the upper surface of sheet material 3 is provided with electronic component 4, and the outside of H type skeleton 1 is provided with the coil and places district 6, and the tip both sides of H type skeleton 1 are provided with skeleton opening 7.

Further, H type skeleton 1 is a set of, and the outside of bar magnet 2 is provided with three at least groups or multiunit H type skeletons 1, and skeleton opening 7 is U type opening, has guaranteed the coil quality through skeleton opening 7, prevents that the coil from folding, causes the copper line to damage, and the fracture influences magnetic antenna index.

The size of the magnetic bar 2 may be varied such that the shape of the magnetic bar 2 is more varied.

The plate 3 is FR4, Rogers plate or other electronic plate.

The electronic components 4 include capacitors, resistors and inductors.

At least a capacitor, a resistor and an inductor are arranged on the electronic component 4.

The size of the H-shaped framework 1 is designed and adjusted according to different scenes, different specifications and the size of the magnetic rod 2.

Specifically, in the using process, the size of the magnetic rod 2 can be changed, the shape can be round or flat, diversification can be realized, the outer side of the magnetic rod 2 is provided with an H-shaped framework 1 and a fixed high temperature resistant rubber ring 6, the fixed high temperature resistant rubber ring 6 is positioned at the outermost end of the H-shaped framework 1, the position of the H-shaped framework 1 can be stabilized through the fixed high temperature resistant rubber ring 6, secondary protection can be realized on the indexes, the performance and the stability of a magnetic antenna, the H-shaped frameworks 1 form one group, the outer side of the magnetic rod 2 is provided with at least three or more groups of H-shaped frameworks 1, framework openings 7 are arranged at two sides of the end part of the H-shaped framework 1, the framework openings 7 are U-shaped openings, the framework openings 7 are mainly used as coil ports or wire head outlets, the design of the U-shaped openings ensures the coil quality, the coil is prevented from being folded, copper wires are prevented from being damaged, the magnetic antenna indexes are influenced by breakage, the coil placing area 6 is arranged at the outer side of the H-shaped framework 1, the size of the coil placement area 6 can be lengthened or narrowed according to different indexes of the magnetic antenna, the size of the H-shaped framework 1 can be designed and adjusted according to different scenes, different specifications and the size of the magnetic rod 2, the thickness of two ends of the H-shaped framework 1 can be freely adjusted, the shape can also adopt different notch structures, and the height of the H-shaped framework 1 can be adjusted according to different coil turns;

the plate 3 is arranged below the H-shaped framework 1, the plate 3 is FR4, Rogers plate or other electronic plates, the electronic element 4 is arranged on the upper surface of the plate 3, at least a capacitor, a resistor and an inductor are arranged on the electronic element 4, the magnetic antenna is essentially a multi-turn small loop antenna containing ferrite and is mainly used for receiving magnetic field component signals in electromagnetic wave signals, the magnetic antenna mainly comprises a ferrite magnetic rod and a coil wound on the magnetic rod, the magnetic rod is made of soft magnetic ferrite magnetic materials and is characterized by easy magnetization and easy demagnetization and high magnetic permeability, for uniform magnetic fields, the magnetic resistance generated inside the magnetic rod is far smaller than that of air, so that most magnetic lines of force are concentrated into the magnetic rod, therefore, the absorption capacity of the magnetic antenna on the electromagnetic waves is very strong, the magnetic lines of force are tightly bound by an iron hoop like a plurality of cotton yarns through the magnetic antenna, and relatively high voltage can be induced in the coil winding group, the magnetic antenna also has the function of amplifying the signal.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 a magnetism antenna tuning board, includes bar magnet (2), sheet material (3) and electronic component (4), its characterized in that, the outside of bar magnet (2) is provided with H type skeleton (1) and fixed high temperature resistant rubber ring (5), and fixed high temperature resistant rubber ring (5) are located the outermost end of H type skeleton (1), the below of H type skeleton (1) is provided with sheet material (3), the upper surface of sheet material (3) is provided with electronic component (4), the outside of H type skeleton (1) is provided with the coil and places district (6), the tip both sides of H type skeleton (1) are provided with skeleton opening (7).

2. The tuning plate for magnetic antenna according to claim 1, wherein the H-shaped frames (1) are a group, at least three or more groups of H-shaped frames (1) are disposed outside the magnetic rod (2), and the frame openings (7) are U-shaped openings.

3. A magnetic antenna tuning plate according to claim 1, characterized in that the size of the magnetic rod (2) is changeable.

4. A magnetic antenna tuning board according to claim 1, characterized in that the sheet material (3) is an FR4 or Rogers sheet material.

5. A magnetic antenna tuning plate according to claim 1, characterized in that the electronic components (4) comprise capacitors, resistors and inductors.

6. A magnetic antenna tuning plate according to claim 5, characterized in that at least a capacitor, a resistor and an inductor are arranged on the electronic component (4).

7. A magnetic antenna tuning plate according to claim 1, characterized in that the dimensions of the H-shaped frame (1) are designed and adjusted according to different scenes, different specifications and the size of the magnetic rod (2).