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High-sensitivity omnidirectional magnetic antenna combination method

A high-sensitivity, magnetic antenna technology, applied in loop antennas with ferromagnetic material cores, coil manufacturing, inductance/transformer/magnet manufacturing, etc., can solve the problems of high false detection rate, low efficiency, and low sensitivity, and achieve The effect of high sensitivity and increased induction signal voltage

Pending Publication Date: 2022-05-13
珠海麦克斯韦电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The surface space can no longer meet the construction requirements of civil pipelines such as electricity, sanitation, tap water, gas, and communications. At the same time, the construction of communication pipelines related to state secret agencies is becoming more and more complicated;
[0003] In communication engineering, the magnetic antenna for receiving signals is indispensable. The existing products are not sensitive and intelligent, and the products cannot be modularized. The test process has low efficiency, low test accuracy, and false detection rate. High, non-uniform test and inspection standards and high test subjectivity, which cannot meet the requirements of fast, accurate and efficient detection

Method used

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  • High-sensitivity omnidirectional magnetic antenna combination method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 , figure 2 , Figure 6 as well as Figure 7 As shown, the high-sensitivity omnidirectional magnetic antenna combination method specifically includes the following steps:

[0030] S1. Winding of coil 2: the winding method of coil 2 adopts the segmented layered dense winding method, and the coil 2 is wound in the middle of the magnetic rod 1;

[0031] S2. Arrangement of the magnetic rod 1: After the winding of the coil 2 is completed, the magnetic rod 1 is arranged end to end;

[0032] S3. Angle adjustment: adjust the angle between the magnetic rods 1 according to the magnetic flux;

[0033] S4. The combination is completed.

[0034] Preferably, during the winding process of the coil 2 in the step S1, n represents the number of turns of the coil 2, e represents the induced electromotive force, and the voltage between the two ends under non-resonant conditions is calculated by the following relational expression, which is specifically :

[0035] ...

Embodiment 2

[0041] The winding method of the coil 2 in this embodiment is the same as the winding method of the coil 2 in the embodiment. By using three magnetic rods 1 with the same length, the antenna coil is put on the middle magnetic rod 1 according to the winding method of the coil 2 in the embodiment. 2. The diameter of the magnetic rod 1 at both ends of the middle magnetic rod 1 is twice the diameter of the middle magnetic rod 1, that is, it is 4 times in terms of cross-sectional area.

Embodiment 3

[0043] The coil 2 winding method in this embodiment is the same as the coil 2 winding method in the embodiment, and the coil 2 is wound on two magnetic bars 1 of the same size according to the coil 2 winding method in the embodiment 1, each The coil 2 groups on the magnetic bar 1 are two groups.

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Abstract

The invention discloses a high-sensitivity omnidirectional magnetic antenna combination method, and particularly relates to the field of antennas, and the method specifically comprises the following steps: S1, winding a coil; s2, arranging a magnetic rod; s3, angle adjustment; according to the invention, the magnetic bars and the coils can be combined in different ways, so that different antenna combinations can be formed according to requirements, the coils on the single magnetic bar are wound into two groups, when the distance between the two groups of coils is relatively long, the distance between the two groups of coils is at least more than 3-5cm, the mutual inductance between the two groups of coils can be ignored, and at the moment, the magnetic bars and the coils are combined in different ways. The inductance value of each section of winding can be L / 2, and the number of turns is 0.7 n, so that the total number of turns of the antenna coil winding is increased to 1.4 n, and the induction signal voltage on the coil is improved.

Description

technical field [0001] The invention relates to the field of antennas, in particular to a high-sensitivity omnidirectional magnetic antenna combination method. Background technique [0002] With the progress of the times, China's urbanization continues to develop and build. The surface space can no longer meet the construction requirements of civil pipelines such as electricity, sanitation, tap water, gas, and communications. At the same time, the construction of communication pipelines related to state secret agencies is becoming more and more complicated; [0003] In communication engineering, the magnetic antenna for receiving signals is indispensable. The existing products are not sensitive and intelligent, and the products cannot be modularized. The test process has low efficiency, low test accuracy, and false detection rate. High, non-uniform test and inspection standards and high test subjectivity cannot meet the requirements of fast, accurate and efficient detection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q7/08H01F41/06H01F41/02
CPCH01Q7/08H01F41/06H01F41/02
Inventor 刘建中
Owner 珠海麦克斯韦电子科技有限公司