CN113002723A - Lightning rod device of rotary radar and integration method - Google Patents
Lightning rod device of rotary radar and integration method Download PDFInfo
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- CN113002723A CN113002723A CN202110116293.XA CN202110116293A CN113002723A CN 113002723 A CN113002723 A CN 113002723A CN 202110116293 A CN202110116293 A CN 202110116293A CN 113002723 A CN113002723 A CN 113002723A
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- Prior art keywords
- radar
- lightning rod
- lightning
- insulator
- rotary
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000010354 integration Effects 0.000 title abstract description 9
- 239000012212 insulator Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000010949 copper Substances 0.000 claims abstract description 3
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B49/00—Arrangements of nautical instruments or navigational aids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a lightning rod device of a rotary radar, which comprises a lightning rod, an insulator, a down lead and a flow guide slip ring, wherein the insulator is arranged on the upper surface of the lightning rod; the lightning rod is a titanium alloy rod and is fixedly arranged on the insulator; the insulator is arranged on the radar and used for fixing the lightning rod; the down lead is a copper stranded wire and is used for connecting the lightning rod and the flow guiding slip ring; and the flow guiding slip ring is connected with the lower end of the down lead, is connected with the radar rotating part and the radar base and guides the large current into the ship body to be grounded. The invention also provides an integration method of the lightning rod device of the rotary radar. The device and the integration method can realize the integrated design of the rotary radar and the lightning arrester, have the minimum influence on the working performance, the overall structure and the appearance of a real ship on the basis of the lightning protection function, realize the lightning protection of the rotary radar by utilizing a plurality of short lightning rods, and are characterized by simple structure, wide protection range and convenient installation in shipyards.
Description
Technical Field
The invention relates to a lightning rod device, in particular to a lightning rod device of a rotary radar and an integration method.
Background
Compared with the traditional fixed radar, the rotary radar is widely applied to ships at home and abroad due to the characteristics of high precision, small volume and light weight. In order to exert the operational performance of the rotary radar to the maximum extent and reduce shielding, the rotary radar needs to be arranged at the highest position of a ship mast.
In order to prevent the rotary radar from being damaged by lightning stroke and simultaneously consider the working characteristics of the rotary radar which is always in 360-degree rotation, the general solution of the ship is to install a lightning rod on a mast, the height of the lightning rod is about more than ten meters, and the lightning protection function can be realized, and fig. 1 is a schematic diagram of a conventional lightning rod and a radar. In the figure, 11 is a lightning rod, 12 is a radar, and 13 is a mast. However, a lightning arrester with a height of ten meters has great influence on the stealth property of the whole ship, the radar detection visual field and the operational capability, and the integral attractiveness of the ship is damaged.
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 integrated with the rotary radar and the integration method, which can realize the lightning protection function and have the characteristics of integration, light weight, simplicity, attractiveness and the like on the premise of not influencing the performance index of the radar.
The invention relates to a lightning rod device of a rotary radar, which comprises a lightning rod, an insulator, a down lead and a flow guiding slip ring, wherein the insulator is arranged on the upper surface of the lightning rod; the lightning rod is fixedly arranged on the insulator; the insulator is used for isolating the lightning rod and the radar and is fixedly arranged on the radar; the down lead is used for connecting the lightning rod and the flow guiding slip ring and is fixedly arranged on the side surface of the radar.
Another technical solution of the present invention is to provide a method for integrating a lightning rod device of a rotary radar, comprising the steps of:
step 1: selecting a proper number of lightning rods according to the appearance of the rotary radar;
step 2: according to the formula of lightning rod
The length and the installation angle of the lightning rod are calculated to meet the direct effect on the thunder and lightningThe conduction requirements of the generated current; in the above formula: r isx-lightning rod at hxA protection radius on the elevation plane; h isx-the height of the object to be protected; h-the calculated height of the lightning rod; h isa＝h-hx-the effective height of the lightning rod;
and step 3: according to the length, the number and the angle of the lightning rod, whether the radar is within the protection range is checked;
and 4, step 4: according to the characteristics of the radar, a proper insulator is selected to meet the installation requirement of the radar;
and 5: selecting a down conductor and a fixed structure with proper length according to the height of the radar;
step 6: and selecting a flow guide slip ring with a proper size according to the base of the radar.
Compared with the prior art, the lightning rod device of the rotary radar realizes the integration of the lightning rod and the radar, does not influence the stealth of the whole ship, the radar detection visual field and the operational capability on the basis of realizing the lightning protection function, and simultaneously, the whole ship is attractive.
Meanwhile, the design of the lightning rod device takes the requirements and characteristics of different radars into consideration, and the technologies of a plurality of short lightning rods, inclination angle installation and slip ring flow guide are adopted, so that the multi-point lightning rod protection of the rotary radar is realized. The lightning rod device integration method realizes lightning protection of the rotary radar by utilizing a plurality of short lightning rods, and is characterized by simple structure, wide protection range and convenient installation in shipyards.
Drawings
The invention will be further described with reference to the following figures and examples.
Fig. 1 is a schematic view of a conventional lightning rod and radar.
Fig. 2 is a structural view (front view) of a lightning rod device according to an embodiment of the present invention.
Fig. 3 is a structural view (side view) of a lightning rod device 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 present embodiment relates to a lightning rod device for a rotary radar, as shown in fig. 2 and 3.
In the figure, 1 is a lightning rod, 2 is an insulator, 3 is a down conductor, 4 is a slip ring, 5 is a radar, and 6 is a main mast. The lightning rod device of the rotary radar in the embodiment comprises a lightning rod 1, an insulator 2, a down lead 3, a flow guiding slip ring 4, a radar 5 and a main mast 6.
The lightning rod 1 adopts 4 titanium alloy rods, the number of the titanium alloy rods is 4, the top of the titanium alloy rods is rounded, and the diameter of the titanium alloy rods is
The length is about 1000mm, the radar protective cover is distributed at four corners of the top of the radar 5, an included angle between the radar protective cover and a horizontal line is 45 degrees, the edge of a protective range is far away from the radar 5, and the protection efficiency is improved.
An insulator 2 is mounted on top of the radar 5 for mounting the lightning rod 1. The insulator 2 is composed of a main body, a mounting top plate and a mounting bottom plate. The main body of the insulator 2 is made of high-voltage high-strength insulating material; the mounting bottom plate of the insulator 2 is a 316L stainless steel plate, and is connected with the top mounting plate of the radar 5 by M24 multiplied by 2 threads; the mounting top plate of the insulator 2 adopts a 316L stainless steel base and is welded and fixed with the lightning rod 1.
The section area of the down lead 3 is 70mm2The copper stranded wire is externally coated with an insulating material. The upper end of the down lead 3 passes through 8mm2A ground bolt connected to the mounting top plate of the insulator 2; the middle end of the down lead 3 is fixed on a guide frame on the side surface of the radar 5 through an insulating material; the lower end of the down lead 3 passes through 8mm2And the grounding bolt is connected with the flow guide slip ring 4.
The flow guiding slip ring 4 consists of an upper rotating ring, a lower fixing ring, a carbon brush and an insulating bracket. The inner diameter phi 2000 and the outer diameter phi 2200 of the upper rotating ring are 20 thick and are made of 316L stainless steel; the lower fixing ring is made of 316L stainless steel with inner diameter phi 1950, outer diameter phi 2000 and thickness 30. The upper rotating ring is connected with the bottom of the radar 5 through 10 insulating supports, and the lower fixing ring is supported and fixed on the main mast 6 through the insulating supports.
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.
Claims (9)
1. A lightning rod device of a rotary radar is characterized by comprising a lightning rod, an insulator, a down lead and a flow guiding slip ring;
the lightning rod is fixedly arranged on the insulator;
the insulator is used for isolating the lightning rod and the radar and is fixedly arranged on the radar;
the down lead is used for connecting the lightning rod and the flow guiding slip ring and is fixedly arranged on the side surface of the radar.
2. A lightning rod device according to claim 1, characterized in that said lightning rod is made of titanium alloy material, 4 in number, 1000mm in length, rounded at the top and having a diameter of
The angle between the radar and the horizontal line is 45 degrees.
3. A lightning rod device of a rotary radar according to claim 1, wherein said insulator is comprised of a main body, a top mounting plate, and a bottom mounting plate; the main body is made of high-voltage high-strength insulating material; the mounting bottom plate is a 316L stainless steel plate and is in threaded connection with a top mounting plate of the radar by M24 multiplied by 2; the mounting top plate adopts a 316L stainless steel base and is welded and fixed with the lightning rod.
4. A lightning rod arrangement for a rotary radar according to claim 1, characterized in that said guide is arranged to guide said rodThe section area of the lower wire is 70mm2The copper stranded wire is externally coated with an insulating material.
5. A lightning rod arrangement according to claim 1, characterized in that the upper end of said down conductor passes 8mm2And the grounding bolt is connected with the mounting top plate of the insulator.
6. A lightning rod device according to claim 5, characterized in that the central end of said down conductor is fixed to the side guide frame of the radar through an insulating material.
7. A lightning rod arrangement according to claim 6, wherein the lower end of said down conductor passes 8mm2And the grounding bolt is connected with the flow guide slip ring.
8. A lightning rod device of a rotary radar according to claim 1, wherein said slip ring is composed of an upper rotating ring, a lower fixed ring, a carbon brush and an insulating support; the inner diameter phi 2000 and the outer diameter phi 2200 of the upper rotating ring are 20 thick and are made of 316L stainless steel; the lower fixing ring is made of 316L stainless steel with the inner diameter phi 1950, the outer diameter phi 2000 and the thickness of 30; the upper rotating ring is connected with the bottom of the radar through 10 insulating supports, and the lower fixing ring is supported and fixed on the main mast through the insulating supports.
9. The method for integrating the lightning rod device of the rotary radar according to any one of claims 1 to 8, comprising the steps of:
step 1: selecting a proper number of lightning rods according to the appearance of the rotary radar;
step 2: according to the formula of lightning rod
Calculating the proper length and installation angle of the lightning rod to meet the conductive requirement on the current generated by the direct lightning effect；
And step 3: according to the length, the number and the angle of the lightning rod, whether the radar is within the protection range is checked;
and 4, step 4: according to the characteristics of the radar, a proper insulator is selected to meet the installation requirement of the radar;
and 5: selecting a down conductor and a fixed structure with proper length according to the height of the radar;
step 6: and selecting a flow guide slip ring with a proper size according to the base of the radar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116293.XA CN113002723A (en) | 2021-01-28 | 2021-01-28 | Lightning rod device of rotary radar and integration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116293.XA CN113002723A (en) | 2021-01-28 | 2021-01-28 | Lightning rod device of rotary radar and integration method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113002723A true CN113002723A (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110116293.XA Pending CN113002723A (en) | 2021-01-28 | 2021-01-28 | Lightning rod device of rotary radar and integration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113002723A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784629A (en) * | 2022-04-18 | 2022-07-22 | 湖南宜通华盛科技有限公司 | Lightning protection system without influence on radar detection and lightning protection method thereof |
| CN115270430A (en) * | 2022-07-08 | 2022-11-01 | 中国舰船研究设计中心 | Design method of marine distributed inclined lightning rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008123976A (en) * | 2006-10-16 | 2008-05-29 | Orient Sokki Computer Kk | Lightning conducting device, lightning preventive device, and lightning strike preventing system |
| CN106374343A (en) * | 2016-11-15 | 2017-02-01 | 中国舰船研究设计中心 | Lightning arrester for rotating radar antennas |
| CN206293229U (en) * | 2016-12-26 | 2017-06-30 | 武汉爱劳高科技有限责任公司 | A kind of lightning arrester for being applied to aerial compartment |
| CN107732668A (en) * | 2017-11-25 | 2018-02-23 | 山西捷力通防雷科技有限公司 | A kind of new glass fibre reinforced plastic lightning rod |
-
2021
- 2021-01-28 CN CN202110116293.XA patent/CN113002723A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008123976A (en) * | 2006-10-16 | 2008-05-29 | Orient Sokki Computer Kk | Lightning conducting device, lightning preventive device, and lightning strike preventing system |
| CN106374343A (en) * | 2016-11-15 | 2017-02-01 | 中国舰船研究设计中心 | Lightning arrester for rotating radar antennas |
| CN206293229U (en) * | 2016-12-26 | 2017-06-30 | 武汉爱劳高科技有限责任公司 | A kind of lightning arrester for being applied to aerial compartment |
| CN107732668A (en) * | 2017-11-25 | 2018-02-23 | 山西捷力通防雷科技有限公司 | A kind of new glass fibre reinforced plastic lightning rod |
Non-Patent Citations (1)
| Title |
|---|
| 裴高飞等: "基于先导发展模型的舰艇避雷防护评估仿真", 《强激光与粒子束》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784629A (en) * | 2022-04-18 | 2022-07-22 | 湖南宜通华盛科技有限公司 | Lightning protection system without influence on radar detection and lightning protection method thereof |
| CN115270430A (en) * | 2022-07-08 | 2022-11-01 | 中国舰船研究设计中心 | Design method of marine distributed inclined lightning rod |
| CN115270430B (en) * | 2022-07-08 | 2024-05-28 | 中国舰船研究设计中心 | Design method of distributed inclined lightning rod for ship |
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Application publication date: 20210622 |