CN218123715U - Antenna balun - Google Patents
Antenna balun Download PDFInfo
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- CN218123715U CN218123715U CN202222262033.6U CN202222262033U CN218123715U CN 218123715 U CN218123715 U CN 218123715U CN 202222262033 U CN202222262033 U CN 202222262033U CN 218123715 U CN218123715 U CN 218123715U
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- shell
- coil
- magnetic ring
- inner shell
- antenna balun
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Abstract
The utility model provides an antenna balun, including casing, magnetic core subassembly, cable socket and terminal, the casing includes inner shell and shell, and the material of inner shell and shell is non-metallic material and metal material respectively, the magnetic core subassembly includes magnetic ring and coil, and the magnetic ring is fixed to be set up in the inner shell, the coil is convoluteed on the magnetic ring, and includes an input and two output, cable socket inserts and establishes on the shell to with the input electric connection of coil, the terminal inserts and establishes on the shell, the quantity of terminal is two, two terminals respectively with two output one-to-one electric connection of coil; through the casing that adopts bilayer structure, improved the environmental suitability of antenna balun, the material of inner shell chooses for use non-metallic material on the one hand, can prevent to damage the magnetic core subassembly after the shell is electrified, and the material of on the other hand shell chooses for use the metal material, can prevent that the shell from taking place to damage in the use.
Description
Technical Field
The utility model relates to a communication equipment technical field especially relates to an antenna balun.
Background
Balun is a balun transformer with a balance-to-unbalance action and an impedance transformation action.
Chinese patent CN210120232U discloses a short wave antenna balun and a short wave antenna, the short wave antenna balun includes a magnetic ring mechanism, a winding mechanism connected to the magnetic ring mechanism, and an insulating mechanism; the winding mechanism comprises a coil, a first conductive block, a second conductive block, an aggregate line anode, a connector and an aggregate line cathode; the coil is connected with the magnetic ring mechanism; the positive pole of the coil is connected with the first conductive block, and the negative pole of the coil is connected with the second conductive block; the positive electrode of the integrated wire is connected with the first conductive block; the connector is connected with the first conductive block; the negative electrode of the integrated line is connected with the second conductive block; the insulating mechanism comprises a first supporting plate connected with the magnetic ring mechanism, a second supporting plate connected with the first supporting plate, and a base plate connected with the first conductive block and the second conductive block; the shell comprises a bottom plate, a first baffle plate and a second baffle plate which are respectively connected with two opposite ends of the bottom plate, a first side plate and a second side plate which are respectively connected with two opposite sides of the bottom plate, and a cover plate.
However, in the practical use process, the environmental adaptability of the short-wave antenna balun is poor, for the following reasons: the shell of the short-wave antenna balun adopts a single-layer structure, and when the shell is made of non-metal materials, the structural strength of the shell is poor, and the shell is easy to damage in severe weather; when the material of shell chooseed for use the metal material, the shell was easily electrified in thunderstorm weather, and the shell after the electrification can damage magnetic ring mechanism and winding mechanism, and these two kinds of circumstances all can influence the normal use of short wave antenna balun.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an antenna balun has improved antenna balun's environmental suitability, has prevented that shell and magnetic core subassembly from taking place to damage in the use.
The technical scheme of the utility model is realized like this: the utility model provides an antenna balun, which comprises a shell, a magnetic core component, a cable socket and a binding post, wherein the shell comprises an inner shell and an outer shell, and the inner shell and the outer shell are respectively made of nonmetal materials and metal materials; the magnetic core assembly comprises a magnetic ring and a coil, and the magnetic ring is fixedly arranged in the inner shell; the coil is wound on the magnetic ring and comprises an input end and two output ends; the cable socket is inserted on the shell and is electrically connected with the input end of the coil; the wiring terminals are inserted into the shell, the number of the wiring terminals is two, and the two wiring terminals are respectively in one-to-one corresponding electrical connection with the two output ends of the coil.
On the basis of the above technical solution, preferably, the inner shell and the outer shell are both circular structures.
Still further preferably, the two terminals are symmetrically inserted on the housing.
On the basis of the technical scheme, preferably, insulation treatment is performed between the wiring terminal and the shell.
On the basis of the technical proposal, the utility model preferably also comprises a pressure plate, one end of the pressing plate is detachably connected with the inner shell, and the other end of the pressing plate is abutted to the magnetic ring.
Still more preferably, the number of the pressing plates is three, and the three pressing plates are distributed on the inner shell in an annular array.
On the basis of the above technical solution, preferably, the cable socket and the terminal are soldered to the coil.
The utility model discloses an antenna balun has following beneficial effect for prior art:
(1) The shell with the double-layer structure is adopted, so that the environmental adaptability of the antenna balun is improved, on one hand, the inner shell is made of a non-metal material, the magnetic core assembly can be prevented from being damaged after the outer shell is electrified, and on the other hand, the outer shell is made of a metal material, so that the outer shell can be prevented from being damaged in the using process;
(2) Through the inner shell and the outer shell which adopt the circular structure, an included angle is formed between the two binding posts, when the antenna is installed, the stress on the steel wire rope is more balanced, and the installation stability of the antenna balun is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an external structure of an antenna balun according to the present invention;
fig. 2 is a schematic diagram of an internal structure of the antenna balun according to the present invention;
fig. 3 is a schematic diagram of a usage state structure of the antenna balun according to the present invention.
In the figure: 1. a housing; 11. an inner shell; 12. a housing; 2. a magnetic core assembly; 21. a magnetic ring; 22. a coil; 3. a cable socket; 4. a binding post; 5. and (7) pressing a plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the antenna balun of the present invention includes a housing 1, a magnetic core assembly 2, a cable socket 3, and a terminal 4.
The magnetic core assembly 2 is used as a main body of the antenna balun, the magnetic core assembly 2 comprises a magnetic ring 21 and a coil 22, the magnetic ring 21 is fixedly arranged in the inner shell 11, the coil 22 is wound on the magnetic ring 21, the coil 22 comprises an input end and two output ends, and specifically, an insulating flame-retardant sleeve is sleeved on the coil 22.
The cable socket 3 is inserted into the housing 12 and electrically connected to the input end of the coil 22.
The terminal 4 is inserted and is established on shell 12, the quantity of terminal 4 is two, two terminal 4 respectively with two output one-to-one electric connection of coil 22, because the material of shell 12 adopts the metal material, in order to prevent that terminal 4 from making shell 12 electrified in the use, consequently need do insulating treatment, specifically between terminal 4 and the shell 12, be equipped with insulating cover on the terminal 4.
The connection modes of the cable socket 3, the terminal 4 and the coil 22 are all soldering connection, specifically, for convenience of installation and use of the antenna balun, the cable socket 3 is located at the bottom of the shell 12, and the terminal 4 is located at the top of the shell 12.
As a preferred embodiment, the inner shell 11 and the outer shell 12 are both of a circular structure, and compared with a square structure in the prior art, the inner shell 11 and the outer shell 12 of the circular structure can form an included angle between the two binding posts 4, when the antenna is installed, the binding posts 4 are connected with a steel wire rope on a three-wire antenna, and due to the existence of the included angle, the stress on the steel wire rope is more balanced, so that the installation stability of the antenna balun is improved.
As a preferred embodiment, the utility model discloses an antenna balun, still include clamp plate 5, clamp plate 5 is used for pressing magnetic ring 21 to hold in inner shell 11, and clamp plate 5's one end and inner shell 11 detachable connections, the other end of clamp plate 5 and magnetic ring 21 counterbalance hold, and is concrete, clamp plate 5 and inner shell 11 bolted connection.
When the magnetic ring pressing device is used, one end of the pressing plate 5 is connected with the inner shell 11 through a bolt, the magnetic ring 21 is pressed and held in the inner shell 11 by the other end of the pressing plate 5, a user can adjust the pressure of the pressing plate 5 on the magnetic ring 21 by screwing the bolt, a rubber block can be arranged at the abutting end of the pressing plate 5, and the rubber block is used as a buffer element between the magnetic ring 21 and the pressing plate 5 and used for preventing the magnetic ring 21 from being damaged by the pressing plate 5.
In order to ensure the stability of the magnetic ring 21 during the pressing process, the number of the pressing plates 5 is three, and the three pressing plates 5 are distributed on the inner shell 11 in an annular array, where the three pressing plates 5 are only an optimal value of the number of the pressing plates 5, and the number of the pressing plates 5 may be less than or greater than three under the condition that the pressing conditions of the pressing plates 5 are met.
The working principle is as follows: as shown in fig. 1 to 3, the housing 1 has a double-layer structure, so that the environmental adaptability of the antenna balun is improved, on one hand, the inner housing 11 is made of a non-metal material, so that the outer housing 12 and the magnetic core assembly 2 are isolated, even if the outer housing 12 is electrified in thunderstorm weather, the magnetic core assembly 2 cannot be damaged, and on the other hand, the outer housing 12 is made of a metal material, so that the structural strength is high, and the outer housing 12 is not easy to damage in severe weather.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An antenna balun comprises a shell (1), a magnetic core component (2), a cable socket (3) and a binding post (4), and is characterized in that: the shell (1) comprises an inner shell (11) and an outer shell (12), wherein the inner shell (11) and the outer shell (12) are made of nonmetal materials and metal materials respectively;
the magnetic core assembly (2) comprises a magnetic ring (21) and a coil (22), wherein,
the magnetic ring (21) is fixedly arranged in the inner shell (11);
the coil (22) is wound on the magnetic ring (21) and comprises an input end and two output ends;
the cable socket (3) is inserted on the shell (12) and is electrically connected with the input end of the coil (22);
the wiring terminals (4) are inserted into the shell (12), the number of the wiring terminals (4) is two, and the two wiring terminals (4) are respectively electrically connected with the two output ends of the coil (22) in a one-to-one correspondence mode.
2. An antenna balun as claimed in claim 1 wherein: the inner shell (11) and the outer shell (12) are both of a circular structure.
3. An antenna balun as claimed in claim 2 wherein: the two binding posts (4) are symmetrically inserted on the shell (12).
4. An antenna balun as claimed in claim 1 wherein: and insulation treatment is carried out between the binding post (4) and the shell (12).
5. An antenna balun as claimed in claim 1 wherein: the magnetic ring is characterized by further comprising a pressing plate (5), wherein one end of the pressing plate (5) is detachably connected with the inner shell (11), and the other end of the pressing plate is abutted to the magnetic ring (21).
6. An antenna balun as claimed in claim 5 wherein: the number of the pressing plates (5) is three, and the three pressing plates (5) are distributed on the inner shell (11) in an annular array.
7. An antenna balun as claimed in claim 1 wherein: the cable socket (3) and the wiring terminal (4) are connected with the coil (22) in a soldering mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222262033.6U CN218123715U (en) | 2022-08-26 | 2022-08-26 | Antenna balun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222262033.6U CN218123715U (en) | 2022-08-26 | 2022-08-26 | Antenna balun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123715U true CN218123715U (en) | 2022-12-23 |
Family
ID=84528659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222262033.6U Active CN218123715U (en) | 2022-08-26 | 2022-08-26 | Antenna balun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123715U (en) |
-
2022
- 2022-08-26 CN CN202222262033.6U patent/CN218123715U/en active Active
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