CN210628498U

CN210628498U - High-corrosion-resistance omnidirectional antenna

Info

Publication number: CN210628498U
Application number: CN201922143758.1U
Authority: CN
Inventors: 韦谢恩; 周洲; 赖家杰; 李忠军
Original assignee: Guangdong Shangzhuo Communication Technology Co Ltd
Current assignee: Guangdong Shangzhuo Communication Technology Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-05-26
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of the antenna technique and specifically relates to a high anticorrosive omnidirectional antenna, including antenna body, installation pipe and plug socket, installation pipe ring cover is at the tail end of antenna body, the plug socket is installed and is used for the antenna connection of being connected with antenna body electricity, and the plug socket is located the tail end of installation pipe, installation pipe and plug socket are made by different metal material respectively, are equipped with the insulating seat that is used for keeping apart installation pipe and plug socket between installation pipe and the plug socket, and installation pipe, insulating seat and plug socket are fixed from the subassembly of side puncture through a plurality of groups, and the table side screw ring cover of screw subassembly has insulating gasket. The utility model discloses a sealed lid and surrounding the electron channel and the ion channel of the seal receptacle of the installation pipe of aluminium matter substrate and copper substrate that have cut off at the outer insulating pad piece of screw rod prevent to pile up and lead to the installation pipe to lead to the electricity to corrode from forming the galvanic couple with the base indirectly because of salt fog, improve the corrosion resistance of antenna kneck and the life of antenna.

Description

High-corrosion-resistance omnidirectional antenna

Technical Field

The utility model belongs to the technical field of the antenna technique and specifically relates to a high anticorrosive omnidirectional antenna.

Background

Because the antenna works in outdoor environment for a long time, the corrosion resistance of the antenna is particularly important, especially in coastal environment with heavy humidity, the existing antenna is generally made of at least two metal materials (usually copper and aluminum), different metals have large potential difference, and the two metals which are contacted for a long time are easy to generate galvanic corrosion after salt mist invades. Although antennas made of the same metal material can overcome the problem to some extent, such antennas are generally high in cost and not beneficial to popularization.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect that galvanic corrosion easily occurs in the existing antenna made of two metal materials.

In order to realize the above-mentioned purpose, the utility model discloses a high anticorrosive omnidirectional antenna, including the antenna body, installation pipe and plug seat, installation pipe ring cover is at the tail end of antenna body, the antenna connection who is used for being connected with antenna body electricity is installed to the plug seat, the plug seat is located the tail end of installation pipe, wherein, installation pipe and plug seat are made by different metal material respectively, be equipped with the insulating seat that is used for keeping apart installation pipe and plug seat between installation pipe and the plug seat, the installation pipe, insulating seat and plug seat are fixed from the subassembly of side puncture through a plurality of groups, the table side screw ring cover of screw subassembly has insulating gasket.

Preferably, the insulating seat comprises a top cover, a seat wall, a flat flanging and a straight flanging, the top cover and the seat wall form an insulating inner cavity, the flat flanging is arranged on the outer side of the bottom of the seat wall, the straight flanging is arranged on one side, far away from the seat wall, of the flat flanging, a ring sleeve cavity is formed by the seat wall, the flat flanging and the straight flanging, the plug seat is installed in the insulating inner cavity, and the tail end of the installation pipe is embedded in the ring sleeve cavity.

Furthermore, insulating pad includes inner gasket and outer gasket, and the inner gasket cladding is in the partial table side that penetrates of screw assembly, and outer gasket check keep off on the contact position face of screw assembly both ends and installation pipe and the contact position face of screw assembly both ends and plug socket.

Furthermore, the outer end of the screw component and the tail end of the straight flanging are respectively coated with sealant.

Furthermore, the middle part of the top cover is provided with a communicating hole, the plug seat is provided with a sealing arm which is sleeved on the outer side of the tail end of the antenna body along the direction of the communicating hole, the antenna joint comprises a joint shell and a joint core, the joint shell is fixed on the plug seat, the joint core is positioned in the joint, and the joint core is electrically connected with the antenna body along the direction of the sealing arm.

Furthermore, a groove body which is sunken towards the inner side is formed on the outer side of the joint shell, and a sealing ring is arranged at the joint of the joint shell and the plug seat.

Preferably, the antenna body comprises a vibrator tube and a feed core wire installed in the vibrator tube, the outer side of the vibrator tube is wrapped with an insulating protective sleeve, and a non-metal medium is filled between the vibrator tube and the feed core wire.

Preferably, the outer side of the antenna body is annularly sleeved with a cover shell covering the side of the antenna body, one end of the cover shell is crossed in the installation pipe, and the other end of the cover shell is provided with a sealing cap.

Furthermore, sealant is coated on the joint of the installation pipe and the housing and the joint of the housing and the sealing cap.

Preferably, the plug base is made of a copper base material, and the mounting tube is made of an aluminum base material.

The utility model has the advantages that: the sealing cover and the insulating gasket surrounding the screw rod separate an electronic channel and an ion channel of the mounting pipe of the aluminum substrate and the sealing seat of the copper substrate, so that the indirect conduction between the mounting pipe and the base due to salt spray accumulation is prevented from forming galvanic corrosion, the corrosion resistance of an antenna interface is improved, and the service life of the antenna is prolonged.

Drawings

FIG. 1: the utility model discloses high anticorrosive omnidirectional antenna's plan view.

FIG. 2: the enlarged schematic at a in fig. 1.

FIG. 3: the enlarged schematic at B in fig. 2.

FIG. 4: the utility model discloses the cross-section schematic diagram of insulator foot.

FIG. 5: the utility model discloses plug seat's cross-sectional view.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described with reference to the following embodiments and accompanying drawings.

It is noted that, in this document, relational terms such as "tail," "tip," and "end" and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Referring to fig. 1-5, an embodiment of the present invention provides a high corrosion resistance omnidirectional antenna, which includes an antenna body 1, a mounting tube 2 and a plug base 3, in this embodiment, the plug base 3 is made of copper base material, and the mounting tube 2 is made of aluminum base material.

Specifically, 2 ring covers of installation pipe are at the tail end of antenna body 1, connector 3 installs and is used for the antenna joint 4 of being connected with antenna body 1 electricity, connector 3 is located the tail end of installation pipe 2, wherein, installation pipe 2 and connector 3 are made by different metal material respectively, be equipped with the insulating seat 5 that is used for keeping apart installation pipe 2 and connector 3 between installation pipe 2 and the connector 3, installation pipe 2, insulating seat 5 and connector 3 are fixed through the screw subassembly 7 of a plurality of groups from the side puncture, the table side ring cover screw of subassembly 7 has insulating gasket 8.

In the prior art, the installation tube 2 and the plug base 3 are in direct contact, and because the metal materials of the installation tube 2 and the plug base are different, galvanic corrosion is easy to occur, and the performance of the antenna is affected. In the technical scheme of the utility model, although the plug seat 3 is installed in the installation tube 2, an insulation seat 5 is arranged between the installation tube 2 and the plug seat 3 for isolation, so as to avoid the contact between the installation tube 2 and the plug seat 3; insulating gasket 8 is wrapped on the surfaces of screw components 7 for fixing the installation tube 2, the insulating base 5 and the plug base 3, and the electrical contact between the installation tube 2 and the plug base 3 is further blocked.

In this embodiment, the insulating base 5 is composed of a top cover 51, a base wall 52, a flat flange 53 and a straight flange 54, the top cover 51 and the base wall 52 form an insulating inner cavity 55, the flat flange 53 is arranged on the outer side of the bottom of the base wall 52, the straight flange 54 is arranged on the flat flange 53 on the side away from the base wall 52, the flat flange 53 and the straight flange 54 form a ring sleeve cavity 56, the plug base 3 is installed in the insulating inner cavity 55, the tail end of the installation tube 2 is embedded in the ring sleeve cavity 56, and the base wall 52 is isolated between the insulating inner cavity 55 and the ring sleeve cavity 56.

The middle part of the top cover 51 of the insulating base 5 is provided with a communication hole 57 for communicating the plug base 3 with the antenna body 1, the plug base 3 is provided with a sealing arm 31 which is sleeved outside the tail end of the antenna body 1 along the direction of the communication hole 57, the tail end of the antenna body 1 is protected, the antenna joint 4 comprises a joint shell 41 and a joint core 42, wherein the joint shell 41 is fixed on the plug base 3, the joint core 42 is positioned in the joint, and the joint core 42 is electrically connected with the antenna body 1 along the direction of the sealing arm 31.

The insulating gasket 8 comprises an inner gasket 81 and an outer gasket 82, which are used for isolating the mounting tube 2 from the plug connector 3, and preventing the mounting tube 2 and the plug connector 3 from achieving electronic or ionic communication through the screw assembly 7 (mostly metal parts). Specifically, the inner gasket 81 covers the surface of the penetrating portion of the screw assembly 7 for shielding the penetrating body of the screw assembly 7, and the outer gasket 82 blocks the contact surfaces of the two ends of the screw assembly 7 and the mounting tube 2 and the contact surfaces of the two ends of the screw assembly 7 and the plug receptacle 3 for shielding the contact surfaces of the screw assembly 7. Inner pad 81 and outer pad 82 may be integrally formed, with inner pad 81 turned inside out to form outer pad 82, or may be separate, with outer pad 82 being inserted laterally during installation of screw assembly 7.

A groove 43 recessed inward is formed on the outer side of the joint case 41; a seal ring 44 is provided at the junction of the plug housing 41 and the plug base 3. Since most antennas are arranged outdoors, in order to improve the protection performance of the joint, the outer end of the screw assembly 7 and the tail end of the straight flange 54 are respectively coated with the sealant 6; water seepage or salt mist invasion at the joint or outside the installation pipe 2 is avoided.

The antenna body 1 that this embodiment adopted comprises oscillator tube 11 and feed heart yearn 12, and feed heart yearn 12 is installed in the inside of oscillator tube 11, and the outside cladding of oscillator tube 11 has insulating protective sleeve 13, is filled with non-metallic medium between oscillator tube 11 and the feed heart yearn 12, and non-metallic medium is an insulating filling material for fixed feed heart yearn 12.

The outer side of the antenna body 1 is annularly sleeved with a cover shell 21 wrapping the side of the antenna body 1, the cover shell 21 is annularly sleeved outside the antenna body 1, the mounting tube 2 is annularly sleeved on the tail end of the cover shell 21, a sealing cap 22 is covered on the top end of the cover shell 21, and sealant 6 is coated on the joint of the mounting tube 2 and the cover shell 21 and the joint of the cover shell 21 and the sealing cap 22 so as to ensure the sealing performance of the protective shell.

Compared with the prior art, the utility model provides a high anticorrosive omnidirectional antenna has cut off the electron channel and the ion channel of the seal receptacle of the installation pipe of aluminium matter substrate and copper substrate through sealed lid and the insulating pad who encircles outside the screw rod, prevents to pile up and lead to the installation pipe to lead to with the indirect electrically conductive galvanic corrosion of formation of base because of salt fog, improves the corrosion resistance of antenna kneck and the life of antenna, has the progressive meaning.

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 in the foregoing embodiments, 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 high anticorrosive omnidirectional antenna, includes the antenna body, its characterized in that still includes installation pipe and plug socket, installation pipe ring cover is at the tail end of antenna body, the antenna connection who is used for being connected with the antenna body electricity is installed to the plug socket, the plug socket is located the tail end of installation pipe, wherein, installation pipe and plug socket are made by different metal material respectively, are equipped with the insulating seat that is used for keeping apart installation pipe and plug socket between installation pipe and the plug socket, installation pipe, insulating seat and plug socket are fixed from the screw subassembly of side puncture through a plurality of groups, the surface ring cover of screw subassembly has insulating gasket.

2. The high-corrosion-resistance omnidirectional antenna according to claim 1, wherein the insulating base comprises a top cover, a base wall, a flat flange and a straight flange, the top cover and the base wall form an insulating inner cavity, the flat flange is arranged on the outer side of the bottom of the base wall, the straight flange is arranged on the flat flange on the side far away from the base wall, a loop cavity is formed by the base wall, the flat flange and the straight flange, the plug base is installed in the insulating inner cavity, and the tail end of the installation pipe is embedded in the loop cavity.

3. The high-corrosion-resistance omnidirectional antenna according to claim 2, wherein the insulating gasket comprises an inner gasket and an outer gasket, the inner gasket is coated on the surface side of the penetrating portion of the screw assembly, and the outer gasket is blocked on contact surfaces of two ends of the screw assembly and the mounting pipe and contact surfaces of two ends of the screw assembly and the plug seat.

4. The high corrosion protection omnidirectional antenna of claim 2, wherein the outer end of the screw assembly and the end of the straight flange are coated with a sealant respectively.

5. The high-anticorrosion omnidirectional antenna as claimed in claim 2, wherein the top cover has a through hole formed in a middle portion thereof, the connector housing has a sealing arm formed along the through hole and sleeved outside the rear end of the antenna body, the antenna connector includes a connector housing and a connector core, the connector housing is fixed to the connector housing, the connector core is located in the connector, and the connector core is electrically connected to the antenna body along the sealing arm.

6. The high-corrosion-resistance omnidirectional antenna according to claim 5, wherein a groove body recessed inwards is formed on the outer side of the connector shell, and a sealing ring is arranged at the joint of the connector shell and the connector base.

7. The high-anticorrosion omnidirectional antenna according to claim 1, wherein the antenna body comprises an oscillator tube and a feed core wire installed in the oscillator tube, the oscillator tube is covered with an insulating protective sleeve outside, and a non-metallic medium is filled between the oscillator tube and the feed core wire.

8. The high-anticorrosion omnidirectional antenna according to claim 1, wherein an enclosure surrounding the antenna body is annularly sleeved outside the antenna body, one end of the enclosure is intersected in the installation pipe, and a sealing cap is arranged at the other end of the enclosure.

9. The highly corrosion resistant omnidirectional antenna according to claim 8, wherein a sealant is applied to both the junction of the mounting tube and the housing and the junction of the housing and the sealing cap.

10. The high corrosion protection omnidirectional antenna of claim 1, wherein the plug base is made of a copper substrate, and the mounting tube is made of an aluminum substrate.