CN110854478B

CN110854478B - Lightning protection device for microwave communication

Info

Publication number: CN110854478B
Application number: CN201910994635.0A
Authority: CN
Inventors: 梁东宇; 陈发剑; 彭蛟; 黄锦军
Original assignee: Tongyu Communication Inc
Current assignee: Tongyu Communication Inc
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2021-11-02
Anticipated expiration: 2039-10-18
Also published as: CN110854478A

Abstract

The utility model provides a microwave communication is with lightning protection device, includes lightning protection PCB board, mount pad and trapper, the lightning protection PCB board is fixed to be set up on the mount pad, has seted up two cavitys on the mount pad, and the bottom of one of them cavity is fixed to be provided with and to discharge the pipe, the trapper sets up in the top of discharging the pipe, discharges the electric connection of pipe and has at least one electrically conductive cylinder, and electrically conductive cylinder upwards passes trapper and lightning protection PCB board and with lightning protection PCB board electric connection, trapper fixedly connected with connecting piece, the connecting piece stretches into in the other cavity. The invention provides a lightning protection device for microwave communication, which is small in size and low in processing cost.

Description

Lightning protection device for microwave communication

Technical Field

The invention relates to the technical field of microwave communication, in particular to a lightning protection device for microwave communication.

Background

At present, in the products of combiners, tower amplifiers, filters, duplexers and the like in the microwave communication industry, in order to meet the use requirements under the thunderstorm environment, a lightning protection component with a lightning protection function is added in the products. The lightning protection assembly structure comprises a wave trap, a lightning protection PCB assembly, an inductance coil and a connector, wherein the lightning protection PCB assembly comprises a capacitor, an inductor, a discharge tube and a lightning protection PCB.

The trap wave devices in the prior lightning protection technology are various in types, complex in structure and high in processing cost; need welding electric capacity, inductance, discharge a plurality of electronic components of pipe in the lightning protection PCB board subassembly, lead to lightning protection PCB plate volume increase, occupy product space, welding process is many, because the not the same lightning protection PCB board size diverse that leads to designing out of size of every product, increased enterprise's material type, material cost, processing cost, whole product cost increases.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the lightning protection device for the microwave communication, which is small in size and low in processing cost.

In order to achieve the purpose, the invention adopts the specific scheme that: the utility model provides a microwave communication is with lightning protection device, includes lightning protection PCB board, mount pad and trapper, the lightning protection PCB board is fixed to be set up on the mount pad, has seted up two cavitys on the mount pad, and the bottom of one of them cavity is fixed to be provided with and to discharge the pipe, the trapper sets up in the top of discharging the pipe, discharges the electric connection of pipe and has at least one electrically conductive cylinder, and electrically conductive cylinder upwards passes trapper and lightning protection PCB board and with lightning protection PCB board electric connection, trapper fixedly connected with connecting piece, the connecting piece stretches into in the other cavity.

As a preferable scheme, the mounting seat is detachably connected with a cover plate for closing the two cavities, and the conductive column penetrates through the cover plate.

As a preferable scheme, the wave trap is cylindrical, the bottom of the wave trap is closed, an insulating dielectric plate is arranged at the top of the wave trap and located below the cover plate, and the conductive column penetrates through the insulating dielectric plate.

As a preferred scheme, the outer wall of the wave trap is fixedly sleeved with a wrapping layer, the bottom of the wrapping layer is provided with a through hole, and the upper part of the wave trap is embedded into the through hole.

As a preferable scheme, the wave trap is provided with an insertion hole on a side wall, and the connecting piece is inserted into the insertion hole.

As a preferred scheme, the lightning protection PCB is fixedly connected with the cover plate by a plurality of screws.

Preferably, the conductive columns and the connecting pieces are perpendicular to each other.

As a preferred scheme, the conductive column is welded and fixed with the lightning protection PCB.

Preferably, the two cavities are communicated with each other, a channel is formed at the communication position, and the connecting piece penetrates through the channel.

Has the advantages that: the discharge tube is welded at the bottom of the wave trap, so that the problems of various wave trap types, complex structure and high processing cost in the prior art are solved; the problems of increased board volume, occupied product space, multiple welding procedures, different sizes, multiple material types, high material cost and high processing cost of the existing lightning protection PCB are solved. The lightning protection PCB has the advantages that the volume of the lightning protection PCB is reduced, the space is saved, most products can share one lightning protection PCB, the material types are reduced, the material management is convenient, the material cost is reduced, and the processing cost is reduced.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

fig. 2 is an exploded view of the present invention.

Description of the drawings: the lightning protection circuit board comprises a lightning protection PCB (printed circuit board), a cover plate, a mounting seat, a wave trap, a wrapping layer, a discharge tube, a conductive column, a connecting piece, an insulating dielectric plate, a screw and a cavity, wherein the lightning protection PCB is 1, the cover plate is 2, the mounting seat is 3, the wave trap is 4, the wrapping layer is 5, the discharge tube is 6, the conductive column is 7, the connecting piece is 8, the insulating dielectric plate is 9, the screw is 10, and the cavity is 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1 to 2, a lightning protection device for microwave communication, including lightning protection PCB board 1, mount pad 3 and wave trap 4, lightning protection PCB board 1 is fixed to be set up on mount pad 3, two cavities 11 have been seted up on mount pad 3, the fixed discharge tube 6 that is provided with in bottom of one of them cavity 11, wave trap 4 sets up in the top of discharge tube 6, discharge tube 6 electric connection has at least one electrically conductive cylinder 7, electrically conductive cylinder 7 upwards passes wave trap 4 and lightning protection PCB board 1 and with lightning protection PCB board 1 electric connection, wave trap 4 fixedly connected with connecting piece 8, connecting piece 8 stretches into in another cavity 11.

The invention arranges the discharge tube 6 with larger volume in the installation seat 3 and below the wave trap 3, so that the volume of the lightning protection PCB 1 is reduced and the complexity is reduced, thereby reducing the volume of the whole device and being beneficial to the miniaturization of communication devices.

Further, the mounting seat 3 is detachably connected with a cover plate 2 for sealing the two cavities 11, and the conductive column 7 penetrates through the cover plate 2. The cover plate 2 and the mounting seat 3 can be fixedly connected through bolts. The cover plate 2 is used for protecting the inside of the mounting seat 3 and is convenient for mounting the lightning protection PCB 1.

Further, the wave trap 4 is cylindrical, the bottom of the wave trap 4 is closed, the top of the wave trap 4 is provided with an insulating medium plate 9, the insulating medium plate 9 is located below the cover plate 2, and the conductive column 7 penetrates through the insulating medium plate 9. The insulating dielectric plate 9 is used for realizing insulation between the wave trap 4 and the lightning protection PCB 1.

Further, fixed cover is equipped with parcel layer 5 on the outer wall of trapper 4, and the through-hole has been seted up to the bottom of parcel layer 5, and the upper portion of trapper 4 is embedded into in the through-hole. The wrapping layer 5 is used for protecting the wave trap 4, the protection is divided into two aspects, on one hand, the protection is electric protection, on the other hand, the protection is temperature protection, and therefore the wrapping layer 5 can be made of high-temperature-resistant plastic materials.

Further, the installation mode of the connecting piece 4 is as follows: the wave trap 4 is provided with a jack on the side wall, and the connecting piece 8 is inserted into the jack and fixed by welding. The connecting piece 8 can be a conductor bar or an inductance coil, and the other end of the connecting piece 8 can be connected with the joint in a welding mode.

Further, the fixing mode of the lightning protection PCB board 1 is: the lightning protection PCB 1 is fixedly connected with the cover plate 2 through a plurality of screws 10.

Further, in the present embodiment, the conductive posts 7 and the connecting members 8 are perpendicular to each other to avoid mutual interference.

Further, the conductive cylinder 7 is welded and fixed with the lightning protection PCB board 1 to strengthen the stability of the electrical connection between the conductive cylinder 7 and the lightning protection PCB board 1 and avoid the failure of the lightning protection device.

Further, the two cavities 11 communicate with each other, a passage is formed at the communication, the connecting member 8 passes through the passage, and the connecting member 8 does not contact with the inner wall of the passage.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a lightning protection device for microwave communication, includes lightning protection PCB board (1), mount pad (3) and trapper (4), its characterized in that: lightning protection PCB board (1) is fixed to be set up on mount pad (3), two cavities (11) have been seted up on mount pad (3), the fixed discharge tube (6) that is provided with in bottom of one of them cavity (11), trapper (4) set up in the top of discharging tube (6), discharge tube (6) electric connection has at least one electrically conductive cylinder (7), electrically conductive cylinder (7) upwards pass trapper (4) and lightning protection PCB board (1) and with lightning protection PCB board (1) electric connection, trapper (4) fixedly connected with connecting piece (8), connecting piece (8) form the passageway through two cavity (11) intercommunications department and stretch into in another cavity (11) and be connected with the joint to connecting piece (8) are not contacted with the inner wall of passageway.

2. The lightning protection device for microwave communication according to claim 1, characterized in that: the mounting seat (3) is detachably connected with a cover plate (2) used for sealing the two cavities (11), and the conductive cylinder (7) penetrates through the cover plate (2).

3. The lightning protection device for microwave communication according to claim 2, characterized in that: the wave trap (4) is cylindrical, the bottom of the wave trap (4) is sealed, an insulating medium plate (9) is arranged at the top of the wave trap (4), the insulating medium plate (9) is located below the cover plate (2), and the conductive column (7) penetrates through the insulating medium plate (9).

4. The lightning protection device for microwave communication according to claim 3, characterized in that: fixed cover is equipped with parcel layer (5) on the outer wall of trapper (4), and the through-hole has been seted up to the bottom of parcel layer (5), the upper portion of trapper (4) is embedded into in the through-hole.

5. The lightning protection device for microwave communication according to claim 2, characterized in that: the side wall of the wave trap (4) is provided with a jack, and the connecting piece (8) is inserted into the jack.

6. The lightning protection device for microwave communication according to claim 2, characterized in that: the lightning protection PCB (1) is fixedly connected with the cover plate (2) through a plurality of screws (10).

7. The lightning protection device for microwave communication according to claim 1, characterized in that: the conductive column (7) is perpendicular to the connecting piece (8).

8. The lightning protection device for microwave communication according to claim 1, characterized in that: the conductive column (7) is fixedly welded with the lightning protection PCB (1).