阅读说明：本技术 一种复合材料顶桅的避雷针装置及集成方法 (Lightning rod device of composite material top mast and integration method ) 是由 文锐 支红红 郭立峰 于 2020-11-18 设计创作，主要内容包括：本发明公开了一种复合材料顶桅的避雷针装置,包括避雷针、避雷针体、引下线、接地螺栓；所述避雷针固定安装在避雷针体上；所述避雷针体兼做各种天线的安装结构,固定安装在顶桅上；所述引下线为铜绞线,用于连接避雷针体和主桅杆两端的接地螺栓。本发明的另一技术方案在于,提供了一种复合材料顶桅的避雷针装置集成方法。上述装置及集成方法能够集成安装避雷针、天线、信号灯,在避雷保护功能的基础上,实现各种天线和信号灯可靠工作,使得复合材料顶桅具有集成化、轻量化、结构简单等特点。(The invention discloses a lightning rod device of a composite material top mast, which comprises a lightning rod, a lightning rod body, a down lead and a grounding bolt, wherein the lightning rod body is provided with a lightning rod hole; the lightning rod is fixedly arranged on the lightning rod body; the lightning rod body is also used as an installation structure of various antennas and is fixedly installed on the top mast; the down lead is a copper stranded wire and is used for connecting the lightning protection needle body and the grounding bolt at two ends of the main mast. The invention also provides a lightning rod device integration method of the composite material top mast. The device and the integration method can integrate and install the lightning rod, the antenna and the signal lamp, and realize the reliable work of various antennas and signal lamps on the basis of lightning protection function, so that the composite material top mast has the characteristics of integration, light weight, simple structure and the like.)

1. A lightning rod device of a composite material top mast is characterized by comprising a lightning rod, a lightning rod body, a down lead and a grounding bolt;

the lightning rod is fixedly arranged on the lightning rod body;

the lightning rod body is also used as an installation structure of various antennas and is fixedly installed on the top mast;

the down lead is a copper stranded wire and is used for connecting the lightning protection needle body and the grounding bolt at two ends of the main mast.

2. The lightning rod assembly of claim 1, wherein said lightning rod is steel, 1900mm in length, and rounded at its top and has a diameter of

3. The lightning rod assembly of claim 2, wherein said lightning rod body is made of steel and has a diameter of

4. A lightning conductor arrangement according to claim 3, characterised in that said down conductor uses two conductors having a cross-sectional area of 70mm²The copper stranded wire with the length of 6000mm is laid in the top mast.

5. The lightning rod assembly of a composite mast according to claim 4, wherein two of said copper strands are individually spaced downwardly along the inner wall of said mast by a plurality of points spaced apart by a distance of 1.2m or less.

6. The lightning rod assembly of claim 3, wherein said lightning rod is screwed to said lightning rod body by M24 x 2 threads, and the screw-on part is coated with conductive glue and treated to prevent loosening.

7. The lightning rod assembly of a composite top mast of claim 6, wherein the lightning rod body is bolted to the top mast using a flange of 316L material, the attachment surface being free of paint.

8. The lightning conductor assembly of claim 7, wherein the down conductor is 8mm thick with respect to the lightning conductor body and the main mast²Grounding bolt A and 8mm²And the grounding bolts are connected with each other, so that the grounding resistance of the whole lightning arrester is less than or equal to 10m omega.

9. The method for integrating the lightning rod device based on the composite material top mast as claimed in any one of claims 1 to 8, comprising the steps of:

step 1: according to the management requirement of electromagnetic compatibility, the arrangement positions of various antennas are reasonably arranged, the original technical indexes and the installation and use requirements of the antennas are not influenced, and the mutual compatibility and normal work can be ensured;

step 2: according to the arrangement of the antenna, a proper structure is selected as a lightning protection needle body, so that the intensity is high, and the safety of the antenna is ensured;

and step 3: according to the formula of lightning rodCalculating the required design height of the lightning rod to meet the conducting requirement on the current generated by the direct lightning effect;

and 4, step 4: and respectively checking whether each antenna and signal on the top mast are within the protection range according to the design height of the lightning rod.

And 5: and selecting a proper down conductor and a proper grounding bolt according to the height of the top mast.

Technical Field

The invention relates to a lightning rod device of a composite material top mast, in particular to a lightning rod device of a composite material top mast for installing a plurality of antennas and an integration method.

Background

The composite material top mast is arranged on a ship main mast platform, is positioned at the highest point of an upper building, is used for arranging and installing various antennae, signal lamps, lightning rods and the like, and has enough strength and rigidity and light weight.

With the development of the ship communication navigation technology, the number of the antennas required to be installed on the top mast is more and more, and the types of the antennas are various, including flat, cylindrical and surrounding types. The antenna on the existing top mast considers the requirement of electromagnetic compatibility, is uniformly distributed and protected by independent lightning rods, so that the problems of large size and weight, complex structure and the like of the top mast are caused, and certain influence is brought to the safe operation of a ship.

Disclosure of Invention

Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide the lightning rod device of the composite material top mast and the integration method, which can realize the lightning protection function and have the characteristics of integration, light weight, simple structure and the like on the premise of reliable work of various antennas, signal lamps and lightning rods.

The lightning rod device of the composite material top mast comprises a lightning rod, a lightning rod body, a down lead and a grounding bolt; the lightning rod is fixedly arranged on the lightning rod body; the lightning rod body is also used as an installation structure of various antennas and is fixedly installed on the top mast; the down lead is a copper stranded wire and is used for connecting the lightning protection needle body and the grounding bolt at two ends of the main mast.

The invention also provides a lightning rod device integration method of the composite material top mast, which comprises the following steps:

step 1: according to the management requirement of electromagnetic compatibility, the arrangement positions of various antennas are reasonably arranged, the original technical indexes and the installation and use requirements of the antennas are not influenced, and the mutual compatibility and normal work can be ensured;

step 2: according to the arrangement of the antenna, a proper structure is selected as a lightning protection needle body, so that the intensity is high, and the safety of the antenna is ensured;

and step 3: according to the formula of lightning rodCalculating the required design height of the lightning rod to meet the conducting requirement on the current generated by the direct lightning effect;

r_x-lightning rod at h_xA protection radius on the elevation plane;

h_x-the height of the object to be protected;

h-the calculated height of the lightning rod;

h_a＝h-h_x-the effective height of the lightning rod;

and 4, step 4: and respectively checking whether each antenna and signal on the top mast are within the protection range according to the design height of the lightning rod.

And 5: and selecting a proper down conductor and a proper grounding bolt according to the height of the top mast.

Compared with the prior art, the lightning rod device of the composite material top mast can be integrated with a lightning rod, an antenna and a signal lamp, and various antennas and signal lamps can reliably work on the basis of lightning protection function, so that the composite material top mast has the characteristics of integration, light weight, simple structure and the like.

Meanwhile, the design of the lightning rod device takes requirements and characteristics of different antennas into consideration, so that the structure of the top mast is simpler and the weight is lighter. The integrated method of the lightning rod device realizes the centralized protection of a plurality of antennas by using one lightning rod, and is characterized by simple structure, high strength and convenient installation in shipyards.

Drawings

The invention will be further described with reference to the following figures and examples.

Fig. 1 is a structural view of a lightning rod and a lightning rod body according to an embodiment of the invention.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

The embodiment takes a ship top mast as an example, and relates to a lightning rod device of a composite material top mast, as shown in fig. 1. In the figure, 1 is a lightning rod, 2 is a lightning rod body, 3 is a down lead, 4 is a grounding bolt A, 5 is a grounding bolt B, 6 is an antenna A, 7 is a surrounding antenna B, 8 is a signal lamp, 9 is a top mast, and 10 is a main mast. The lightning rod device of the composite material top mast comprises a lightning rod 1, a lightning rod body 2, a down lead 3, an earth bolt A4, an earth bolt B5, an antenna A6, a surrounding antenna B7, a signal lamp 8, a top mast 9 and a main mast 10.

The lightning rod 1 has a length of about 1900mm and a rounded tip and a diameter of

The lightning rod body 2 is made of steel material and has a diameter ofThe antenna has higher strength and ensures the safety of the antenna.

The down lead 3 adopts two pieces with 70mm cross section²The copper stranded wires with the length of 6000mm are laid in the top mast 9, respectively and independently downwards along the inner wall, and a multipoint fixing mode is adopted, and the fixed point interval is not more than 1.2m at most.

The lightning rod 1 and the lightning rod body 2 are connected by adopting M24 multiplied by 2 threads, and the threaded part is coated with conductive adhesive and is subjected to anti-loosening treatment.

The lightning rod body 2 and the top mast 9 are connected by adopting flange bolts, the flange material is 316L, and the mounting surface is not painted.

8mm is adopted between the down lead 3 and the lightning protection needle body 2 and the main mast 10²Earthing bolt A4 and 8mm²And the grounding bolts B5 are connected to ensure that the grounding resistance of the whole lightning arrester is not more than 10m omega.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.