CN215155459U - Passive navigation mark and navigation mark cluster with radar signal reflection function - Google Patents
Passive navigation mark and navigation mark cluster with radar signal reflection function Download PDFInfo
- Publication number
- CN215155459U CN215155459U CN202120893974.2U CN202120893974U CN215155459U CN 215155459 U CN215155459 U CN 215155459U CN 202120893974 U CN202120893974 U CN 202120893974U CN 215155459 U CN215155459 U CN 215155459U
- Authority
- CN
- China
- Prior art keywords
- passive
- radar
- reflector
- omnidirectional
- navigation mark
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model relates to a passive navigation mark with radar signal reflection function, which comprises a navigation mark body, wherein the navigation mark body comprises a shell, and a radar reflector is fixed in the shell; the radar reflector comprises a Luneberg lens and a reflecting piece, wherein the Luneberg lens is made of a foaming medium material, a reflecting surface is formed on the reflecting piece, and the reflecting surface of the reflecting piece is attached to the surface of the Luneberg lens. The passive navigation mark with the radar signal reflection function has the characteristics of simple structure, reasonable design, low production cost, long service life, convenience in use, convenience in maintenance and the like. The utility model discloses still relate to a fairway buoy cluster, including a plurality of passive fairway buoy, passive fairway buoy is aforementioned scheme a passive fairway buoy with radar signal reflection function, a plurality of passive fairway buoy pass through the rope and concatenate together. The navigation mark string has the characteristics of simple structure, reasonable design, low production cost, long service life, convenient use, convenient maintenance and the like.
Description
Technical Field
The utility model relates to the technical field of navigation equipment, in particular to a passive navigation mark with radar signal reflection function; the utility model discloses still relate to a fairway buoy cluster.
Background
The navigation mark is a water surface navigation aid mark which floats on the water surface and is used for marking the range of a navigation channel, indicating a shoal, obstructing the navigation or showing special purposes. In order to be beneficial to a ship to identify a beacon so as to identify a channel range and avoid reef touch, lamps are mounted on some existing beacons, a power supply for the lamps needs to be mounted on the beacon, the beacon provided with circuit elements is prone to failure, and the problem that the power supply is dead can also occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a passive fairway buoy with radar signal reflection function, this passive fairway buoy with radar signal reflection function has advantages such as simple structure, reasonable in design, low in production cost, long service life, convenient to use and maintenance convenience.
The technical scheme of the passive navigation mark with the radar signal reflection function is realized as follows: a passive navigation mark with radar signal reflection function is characterized by comprising a navigation mark body, wherein the navigation mark body comprises a shell, and a radar reflector is fixed in the shell; the radar reflector comprises a Luneberg lens and a reflecting piece, wherein the Luneberg lens is made of a foaming medium material, a reflecting surface is formed on the reflecting piece, and the reflecting surface of the reflecting piece is attached to the surface of the Luneberg lens.
Further, the radar reflector is a directional radar reflector, the reflecting member of the directional radar reflector is a directional reflecting member, and the reflecting surface of the directional reflecting member is a concave surface of a hemispherical structure.
Still further, the directional radar reflector has a central reflection direction L1; a counterweight member is arranged below the navigation mark body, and the counterweight member causes the central reflection direction L1 of the directional radar reflector to form an included angle which is more than 0 degrees and less than 90 degrees with the horizontal plane.
Still further, the housing is made of a low dielectric constant material.
This passive fairway buoy with radar signal reflection function's beneficial effect: this passive fairway buoy with radar signal reflection function is through being equipped with the radar reflector that comprises luneberg lens and reflection part in the fairway buoy body, the radar wave that radar transmitter on the ship sent when using passes through luneberg lens of radar reflector and has been reflected through the reflection part after, and make the radar wave can be refracted aloft and enlarge with the mode of centre of sphere symmetry, such a little target will demonstrate big image on the radar screen, let the ship can accurately discern the position of fairway buoy, avoid appearing skew channel and the danger of touching the reef, need not charge after the installation and can long-term use when using, make this passive fairway buoy with radar signal reflection function have simple structure, reasonable in design, low in production cost, long service life, advantages such as convenient to use and maintenance convenience.
The invention also provides a navigation mark string which has the advantages of simple structure, reasonable design, low production cost, long service life, convenient use, convenient maintenance and the like.
The technical scheme of the navigation mark string is realized as follows: the navigation mark string is characterized by comprising a plurality of passive navigation marks, wherein the passive navigation marks are the passive navigation marks with radar signal reflection function in the scheme, and the passive navigation marks are connected in series through a rope.
The navigation mark string has the technical effects that: this passive fairway buoy of fairway buoy cluster is through having adopted the radar reflector that comprises luneberg lens and reflection part, form the channel through this fairway buoy cluster when using, make the radar wave that the radar transmitter on the ship sent pass through the luneberg lens of radar reflector after the reflection part has carried out the reflection, and make the radar wave can be refracted aloft and enlarged with the mode of centre of sphere symmetry, such a little target will demonstrate big image on the radar screen, let the ship can accurately discern the position of fairway buoy, avoid appearing skew fairway and the danger of touching the reef, need not charge after the installation when using and can long-term use, make the fairway buoy cluster have simple structure, reasonable in design, low in production cost, long service life, advantages such as convenient to use and maintenance convenience.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.
Fig. 3 is a schematic structural view of embodiment 1 with the housing removed.
Fig. 4 is a schematic structural view of embodiment 2.
Fig. 5 is a schematic sectional view in the direction B-B in fig. 4.
Fig. 6 is a schematic structural view of embodiment 2 with the outer shell removed.
FIG. 7 is a schematic structural view of embodiment 3.
Fig. 8 is a schematic sectional view in the direction of C-C in fig. 7.
Fig. 9 is a schematic structural view of embodiment 3 with the outer shell removed.
FIG. 10 is a schematic structural view of example 4.
Fig. 11 is a schematic sectional view in the direction D-D in fig. 10.
FIG. 12 is a schematic structural view of example 5.
Description of reference numerals: 1-a navigation mark body; 11-a housing; 12-a directional radar reflector; 13-a luneberg lens; 131-a dielectric constant layer; 14-a directional reflector; 15-a counterweight;
2-navigation mark body; 21-a housing; 22-omnidirectional radar reflector; 23-a luneberg lens; 24-an omni-directional reflector; 25-a counterweight;
3-navigation mark body; 31-a housing; 32-omnidirectional radar reflector; 33-an omni-directional reflector; 34-a counterweight;
4-a housing; 41-a truncated cone shaped lower portion; 42-a conical upper portion; 43-a radar reflector; 44-a counterweight;
5-a first passive beacon; 6-a second passive beacon; 7-a rope.
Detailed Description
Example 1
As shown in fig. 1, 2 and 3, the present embodiment is a passive beacon with radar signal reflection function, including a beacon body 1, where the beacon body 1 includes a shell 11, an outer surface of the shell 11 is a spherical surface, and a radar reflector is fixed in the shell 11; the radar reflector comprises a luneberg lens 13 and a reflector, the luneberg lens 13 is made of a foamed dielectric material, the foamed dielectric material for making the luneberg lens 13 is an existing material, and the foamed dielectric material is the same as the technical scheme of patent No. 201910867980.8 entitled "dielectric material and dielectric material production method" applied by the applicant, and therefore, the details are not described herein; the luneberg lens 13 is a spherical structure, a plurality of dielectric constant layers 131 which are wrapped together layer by layer are arranged between the center of the sphere and the outer surface of the luneberg lens 13, and the dielectric constant of the dielectric constant layer 131 between the center of the sphere and the outer surface of the luneberg lens 13 is gradually changed from 2 to 1; a reflecting surface is formed on the reflecting member, the reflecting member is a metal thin plate, and the reflecting surface of the reflecting member is bonded to the surface of the luneberg lens 13. This passive fairway buoy with radar signal reflection function passes radar wave that radar transmitter on ship sent when using and has reflected through the reflection part behind 13 of luneberg lens of radar reflector, and make the radar wave can be refracted aloft and enlargeing with the mode of centre of sphere symmetry, such a little target object will demonstrate big image on the radar screen, let the ship can accurately discern the position of fairway buoy, avoid appearing skew channel and the danger of touching the reef, it need not charge when using to use after having installed, make this passive fairway buoy with radar signal reflection function have simple structure, reasonable in design, low in production cost, long service life, convenient to use and maintenance advantage such as convenient.
In order to control the reflection range of the radar wave, as shown in fig. 1, 2, and 3, the passive beacon having the radar signal reflection function is a directional radar reflector 12, a reflector of the directional radar reflector 12 is a directional reflector 14, and a reflection surface of the directional reflector 14 is a concave surface having a hemispherical structure.
In order to make the passive beacon having the radar signal reflection function have a better reflection effect on radar waves when in use and avoid that wind and waves seriously affect the reflection direction of the passive beacon having the radar signal reflection function on radar waves, as shown in fig. 1, 2 and 3, the directional radar reflector 12 has a central reflection direction L1, and the central reflection direction L1 is a virtual directional line which starts from the central point of the reflection surface of the directional reflection member 14 and passes through the center of the sphere of the luneberg lens 13; a counterweight 15 is arranged below the navigation mark body 1, the top of the counterweight 15 penetrates through the shell 11 and is welded with the directional reflector 14, and through the structural design that the gravity center of the counterweight 15, the central point of the reflecting surface of the directional reflector 14 and the sphere center of the luneberg lens 13 are not collinear any more, the counterweight 15 enables the central reflecting direction L1 of the directional radar reflector 12 and the horizontal plane to form an included angle a which is larger than 0 degrees and smaller than 90 degrees. This passive fairway buoy with radar signal reflection function is through being provided with the design of counterweight 15 for no matter meet big stormy waves during the use, counterweight 15 makes directive property radar reflector 12's central reflection direction L1 and horizontal plane be formed with an angle throughout, is convenient for reflect the radar wave.
In order to avoid that the intensity of the radar wave passing through the shell 11 is greatly weakened when the passive navigation mark with the radar signal reflection function is used, and the reflection effect of the passive navigation mark with the radar signal reflection function on the radar wave is influenced, as shown in fig. 1 and fig. 2, the shell 11 is made of a low dielectric constant material; the outer shell 11 is produced by foaming to fill the outer surface of the radar reflector.
Example 2
The present embodiment is different from embodiment 1 in that: the radar reflectors differ in their structure. As shown in fig. 4, 5 and 6, the radar reflector in the present embodiment is an omnidirectional radar reflector 22, the reflector of the omnidirectional radar reflector 22 is an omnidirectional reflector 24, the omnidirectional reflector 24 is a ring-shaped metal sheet, the omnidirectional reflector 24 is disposed around the luneberg lens 23, and the inner surface of the omnidirectional reflector 24 is the reflection surface thereof. This embodiment is through having adopted omnidirectional radar reflector 22 for can carry out the reflection of equidirectional not to the radar wave when using, it is better to the reflection effect of radar wave, can reflect the radar wave that the ship of equidirectional not sent.
In order to avoid the serious influence of wind and waves on the reflection direction of radar waves by the passive navigation mark of this embodiment, as shown in fig. 4, 5 and 6, the omnidirectional radar reflector 22 has a central axis L2, the omnidirectional reflector 24 is disposed around the central axis L2, and the central axis L2 is the axis of the omnidirectional reflector 24; a weight 25 is arranged below the navigation mark body 2, the upper part of the weight 25 passes through the outer casing 21 and is welded with the omnidirectional reflector 24, and the weight 25 leads the central axis L2 of the omnidirectional radar reflector 22 to be parallel to the horizontal plane through the structural design that the gravity direction G1 of the weight 25 is vertical to the central axis L2 of the omnidirectional radar reflector 22. By the design, no matter how big the wind and the wave meet, the weight 25 always makes the central axis L2 of the omnidirectional radar reflector 22 parallel to the horizontal plane, so as to reflect the radar wave.
Example 3
The present embodiment is different from embodiment 3 in that: the relationship between the gravity direction of the counterweight and the central axis of the omnidirectional radar reflector is different. As shown in fig. 7, 8 and 9, the omnidirectional radar reflector 32 in the present embodiment has a central axis L3, and the omnidirectional reflector 33 is disposed around the central axis L3; a weight 34 is arranged below the navigation mark body 3, the weight 34 is connected with the outer shell 31, and the weight 34 causes the central axis L3 of the omnidirectional radar reflector 32 to be vertical to the horizontal plane through the structural design that the gravity direction of the weight 34 is overlapped with the central axis L3 of the omnidirectional radar reflector 32. The effect of this embodiment is the same as that of the technical solution of embodiment 2, except that a new design is made for different application occasions, so that the user can select as required.
Example 4
The present embodiment is different from embodiments 1, 2 and 3 mainly in that: the shape and structure of the shell are different. As shown in fig. 10 and 11, the housing 4 of the present embodiment is formed with a truncated cone-shaped lower portion 41 and a conical upper portion 42, and the radar reflector 43 is provided in the conical upper portion 42; a weight 44 is mounted in the rounded frustum-shaped lower portion 41. In use, the radar reflector 43 is above the water surface to facilitate identification of the vessel, such a solution being used primarily for surface navigation markers indicating shoals, obstructions or special purposes.
Example 5
As shown in fig. 12, the present embodiment is a navigation mark string, which includes a plurality of passive navigation marks connected in series by a rope 7; some of the passive beacons are first passive beacons 5, the radar reflector in the first passive beacons 5 is a directional radar reflector, and the first passive beacons 5 are specifically passive beacons with radar signal reflection functions described in embodiment 1; the other part of the passive navigation mark is a second passive navigation mark 6, the radar reflector of the second passive navigation mark 6 is an omnidirectional radar reflector, and the second passive navigation mark 6 is specifically the passive navigation mark with the radar signal reflection function in the embodiment 2; the first type of passive beacons 5 and the second type of passive beacons 6 are distributed at intervals. Form the channel through this fairway buoy cluster when using, make the radar wave that radar transmitter on the ship sent pass behind the luneberg lens of radar reflector and reflected through the reflection part, and make the radar wave can be refracted aloft and enlarge with the mode of centre of sphere symmetry, such a little target object will demonstrate big image on the radar screen, let the ship can accurately discern the position of fairway buoy, avoid appearing skew fairway and the danger of touching the reef, it need not charge when using to use after the installation well, make the fairway buoy cluster have simple structure, and reasonable design, low in production cost, long service life, high durability and convenient maintenance advantage such as.
Claims (10)
1. The utility model provides a passive fairway buoy with radar signal reflection function which characterized in that: the navigation mark comprises a navigation mark body, wherein the navigation mark body comprises a shell, and a radar reflector is fixed in the shell; the radar reflector comprises a Luneberg lens and a reflecting piece, wherein the Luneberg lens is made of a foaming medium material, a reflecting surface is formed on the reflecting piece, and the reflecting surface of the reflecting piece is attached to the surface of the Luneberg lens.
2. The passive beacon with radar signal reflection function according to claim 1, wherein: the radar reflector is a directional radar reflector, the reflecting piece of the directional radar reflector is a directional reflecting piece, and the reflecting surface of the directional reflecting piece is a concave surface of a hemispherical structure.
3. A passive beacon having a radar signal reflecting function according to claim 2, wherein: the directional radar reflector has a central reflection direction L1; a counterweight member is arranged below the navigation mark body, and the counterweight member causes the central reflection direction L1 of the directional radar reflector to form an included angle which is more than 0 degrees and less than 90 degrees with the horizontal plane.
4. The passive beacon with radar signal reflection function according to claim 1, wherein: the radar reflector is an omnidirectional radar reflector, a reflecting piece of the omnidirectional radar reflector is an omnidirectional reflecting piece, the omnidirectional reflecting piece is an annular metal sheet, the omnidirectional reflecting piece is arranged around the luneberg lens, and the inner surface of the omnidirectional reflecting piece is a reflecting surface of the omnidirectional reflecting piece.
5. The passive beacon with radar signal reflection function according to claim 4, wherein: the omnidirectional radar reflector is provided with a central axis L2, and the omnidirectional reflector is arranged around the central axis L2; a weight is provided below the beacon body, which weight causes the central axis L2 of the omnidirectional radar reflector to be parallel to the horizontal plane.
6. The passive beacon with radar signal reflection function according to claim 4, wherein: the omnidirectional radar reflector is provided with a central axis L3, and the omnidirectional reflector is arranged around the central axis L3; a weight is provided below the beacon body, which weight causes the central axis L3 of the omnidirectional radar reflector to be perpendicular to the horizontal plane.
7. A passive beacon with radar signal reflection according to claim 1, 2 or 4, characterized in that: the shell is provided with an inverted circular truncated cone-shaped lower part and a conical upper part, and the radar reflector is arranged in the conical upper part; a weight member is mounted in the lower portion of the rounded frustum shape.
8. The passive beacon with radar signal reflection function according to claim 7, wherein: the housing is made of a low dielectric constant material.
9. A fairway buoy cluster, its characterized in that: the passive navigation mark comprises a plurality of passive navigation marks, wherein the passive navigation mark is the passive navigation mark with the radar signal reflection function in the claim 1, and the passive navigation marks are connected in series through a rope.
10. A navigation tag string according to claim 9, wherein: and one part of the passive beacons is a first passive beacon, the radar reflector in the first passive beacon is a directional radar reflector, the other part of the passive beacons is a second passive beacon, the radar reflector of the second passive beacon is an omnidirectional radar reflector, and the first passive beacon and the second passive beacon are distributed at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893974.2U CN215155459U (en) | 2021-04-29 | 2021-04-29 | Passive navigation mark and navigation mark cluster with radar signal reflection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893974.2U CN215155459U (en) | 2021-04-29 | 2021-04-29 | Passive navigation mark and navigation mark cluster with radar signal reflection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215155459U true CN215155459U (en) | 2021-12-14 |
Family
ID=79364400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120893974.2U Active CN215155459U (en) | 2021-04-29 | 2021-04-29 | Passive navigation mark and navigation mark cluster with radar signal reflection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215155459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114966552A (en) * | 2022-05-25 | 2022-08-30 | 广东福顺天际通信有限公司 | Informatization passive radar reflecting device |
-
2021
- 2021-04-29 CN CN202120893974.2U patent/CN215155459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114966552A (en) * | 2022-05-25 | 2022-08-30 | 广东福顺天际通信有限公司 | Informatization passive radar reflecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215155459U (en) | Passive navigation mark and navigation mark cluster with radar signal reflection function | |
| CN112350074B (en) | Luneberg lens reflector and passive radar reflecting ball comprising same | |
| CN109103604B (en) | High-gain wide-angle scanning lens antenna based on step medium | |
| JPH03128791A (en) | Lng tank for ship supported by skirt | |
| CN110515062A (en) | A kind of conformal thinned arrays method of the more spirals of full ship | |
| CN206059672U (en) | A kind of many gps antenna device for intelligently switching | |
| EP3279076B1 (en) | Offshore maritime access control system | |
| CN103178359A (en) | Method for designing conformal array antennas distributed in aperture field of spherical cap | |
| CN108987926A (en) | A kind of production method and device of the vigorous lens array dual-mode antenna device of dragon | |
| GB1573372A (en) | Radar reflector for use on buoys and other floating objects | |
| CN112407196B (en) | Life buoy | |
| CN107632301A (en) | A kind of marine radar maritime search and rescue device and rescue method | |
| EP0255284B1 (en) | Radar reflector | |
| CN105203998A (en) | Sound detection array used for detecting low-altitude and slow-speed small targets | |
| EP0056673B1 (en) | Buoy | |
| CN207037067U (en) | Sea surface small target reflector | |
| CN208149557U (en) | A kind of regular polygon shape wave buoy | |
| CN113295378A (en) | Small intelligent buoy for developing unmanned ship navigation control debugging in small experimental water area | |
| US4176355A (en) | Radiation reflecting target surface | |
| KR100854129B1 (en) | System for identifying location using synthetic aperture radar | |
| CN210984969U (en) | Electromagnetic reflective film | |
| CN211507882U (en) | Radio frequency identification antenna | |
| EP4008625A1 (en) | Reflector lens structured life buoy | |
| CN206766284U (en) | A kind of navigation channel special purpose buoy | |
| RU2140690C1 (en) | Passive radar reflector (design versions) and floating navigation marker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |