CN112701474B - Anti-interference shielding device for shipborne microwave omnidirectional antenna - Google Patents
Anti-interference shielding device for shipborne microwave omnidirectional antenna Download PDFInfo
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- CN112701474B CN112701474B CN202011481736.7A CN202011481736A CN112701474B CN 112701474 B CN112701474 B CN 112701474B CN 202011481736 A CN202011481736 A CN 202011481736A CN 112701474 B CN112701474 B CN 112701474B
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- support
- detection module
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/20—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable
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Abstract
The invention discloses an anti-interference shielding device for a ship-borne microwave omnidirectional antenna, which comprises: the middle of the top surface of the base is connected with the bottom end of the microwave omnidirectional antenna; a guide rail is arranged around the outer edge of the base; the upper surface of the base is provided with an annular groove; a first driving module is arranged in the base; a shield reflector comprising a support and a cover; the bracket consists of a first bracket, a second bracket and a second driving module; the intelligent adjusting system comprises a distance module, a first signal detection module, a second signal detection module, a third signal detection module and a main controller; the main controller controls the actions of the first driving module and the second driving module according to the detection data obtained by the distance module, the first signal detection module, the second signal detection module and the third signal detection module. The radiation signals of the antenna in all directions are monitored in real time, so that the interference signals can be shielded in the direction with weaker radiation signals or the direction with stronger interference, the phases of the reflected signals and the transmitted signals are superposed to generate gain, and the radiation capability of the antenna is improved.
Description
Technical Field
The invention relates to the technical field of microwave antennas, in particular to an anti-interference shielding device for a shipborne microwave omnidirectional antenna.
Background
An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium, or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all use electromagnetic waves to transmit information and work by depending on antennas. In addition, in transferring energy with electromagnetic waves, non-signal energy radiation also requires antennas.
Most of the existing antennas are omnidirectional radiation antennas, when two omnidirectional radiation antennas are close to each other, mutual interference will seriously affect the access rate and data transmission rate of a user, meanwhile, when the interference is serious in a certain direction or the signal is enhanced by being oriented to a certain direction, the omnidirectional antennas can not be adjusted, and even when the directional antennas are applied, the direction of the directional antennas needs to be manually adjusted to meet the requirements of the user.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide an anti-interference shielding device for a ship-borne microwave omnidirectional antenna, which can shield an interference signal in a direction with a weaker radiation signal or a direction with stronger interference by monitoring the radiation signal of the antenna in each direction in real time, and enable the phases of a reflected signal and a transmitted signal to be superposed to generate gain, thereby improving the radiation capability of the antenna.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an anti-jamming shielding apparatus for a microwave omni-directional antenna on a ship, comprising:
the middle of the top surface of the base is connected with the bottom end of the microwave omnidirectional antenna so as to support the microwave omnidirectional antenna; a guide rail is arranged around the outer edge of the base; an annular groove is formed in the position, close to the outer edge, of the upper surface of the base along the circumferential direction of the base; a first driving module is arranged inside the base;
a shield reflector comprising a support and a cover; the bracket consists of a hollow first bracket, a solid second bracket and a second driving module; the first support is sleeved outside the second support, and the second driving module is arranged in the first support and fixedly connected with one end, located inside the first support, of the second support so as to drive the second support to slide along the inner wall of the first support; the end part of the second bracket, which is positioned outside the first bracket, is embedded into the guide rail and is detachably connected with the first driving module so as to slide along the guide rail under the driving of the first driving module; a universal wheel for supporting the support from the ground is arranged on the bottom surface of the end part, which is close to the first support and is far away from the second support; the cover body is arranged on the first support in a semicircular arc surface mode, and the cover body is detachably arranged on the first support in a mode that the concave surface faces the microwave omnidirectional antenna; a reflecting layer is attached to the concave surface of the cover body; a plurality of through holes are uniformly formed in the cover body, and a reflecting cover is covered on the through holes in an openable manner;
the intelligent adjustment system comprises a distance module, a first signal detection module, a second signal detection module, a third signal detection module and a main controller; the distance module is arranged on the end face, far away from the base, in the first support so as to detect the distance between the end face of the second support, located in the first support, and the distance module; the first signal detection module is arranged at the center of the concave surface along the horizontal direction and used for detecting the radiation signal intensity of the microwave omnidirectional antenna towards one surface of the cover body; the second signal detection module is rotatably arranged around the microwave omnidirectional antenna through an annular track arranged at the top end of the microwave omnidirectional antenna and is used for detecting the intensity of interference radiation signals within a preset distance from the microwave omnidirectional antenna; the third signal detection module is arranged on the base in a manner of moving along the annular groove and is used for detecting the radiation signal intensity of the microwave omnidirectional antenna in each direction; the main controller is respectively connected with the first driving module, the second driving module, the distance module, the first signal detection module, the second signal detection module and the third signal detection module, and controls the actions of the first driving module and the second driving module according to detection data obtained by the distance module, the first signal detection module, the second signal detection module and the third signal detection module.
Preferably, in the anti-interference shielding device for the ship-borne microwave omnidirectional antenna, a guide groove is formed in the concave surface of the cover body along the longitudinal direction of the cover body; the first signal detection module is arranged in the guide groove, the first driving module drives the cover body to move to the direction towards the weakest radiation signal intensity of the microwave omnidirectional antenna, and then under the control of the main controller, one end of the guide groove moves to the other end at a constant speed to detect the radiation signal intensity of the microwave omnidirectional antenna at each height.
Preferably, in the anti-interference shielding device for the ship-borne microwave omnidirectional antenna, the cover body is connected to the first support through a support rod and a plurality of connecting rods; the cover body comprises a main cover body and two branch cover bodies which are respectively connected with the upper end and the lower end of the main cover body in a staggered manner in an openable and closable manner; the bottom end of the supporting rod is fixedly connected to the end face, close to the base, of the first support, and the top end of the supporting rod extends vertically upwards; the main cover body and the branch cover bodies are respectively connected to the top ends of the connecting rods; the tail end of a connecting rod connected with the main cover body is connected to the supporting rod in a mode of moving along the axial direction of the supporting rod; the tail ends of the connecting rods connected with the branch cover bodies are respectively connected with the tail ends of the adjacent connecting rods connected with the main cover body.
Preferably, in the anti-interference shielding device for a shipborne microwave omnidirectional antenna, the master controller is connected to the connecting rod, so as to adjust the size and height of the cover body according to the radiation signal intensity of the microwave omnidirectional antenna at each height, so that the cover body only covers the position on the microwave omnidirectional antenna where the radiation signal intensity is smaller than a predetermined intensity threshold value.
Preferably, in the anti-interference shielding device for the shipborne microwave omnidirectional antenna, a database is arranged in the main controller, and a data set obtained by training the relationship among a plurality of radiation signal intensity values, interference signal values and cover body size values is stored in the database; the both sides of the cover body are provided with the aileron respectively, the aileron is in the laminating when initial position on the convex surface of the cover body, the master controller is according to by the interference radiation signal intensity that third detection module obtained by transfer in the database with the cover body size numerical value that interference radiation signal intensity is the closest interference signal numerical value corresponds, and according to cover body size numerical value is in when the cover body size is less than cover body size numerical value, the drive the aileron to cover body both sides remove, until by the size of the combination cover body that aileron and cover body are constituteed with cover body size numerical value looks adaptation.
Preferably, in the anti-interference shielding device for a shipborne microwave omnidirectional antenna, the detachable connection mode between the second support and the first driving module is as follows: the first driving module is provided with a connecting shaft connected with the second bracket; at least 3L-shaped connecting rods are uniformly arranged on the side wall of the connecting shaft at intervals along the circumferential direction of the connecting shaft; the connecting rod is connected with the connecting shaft at the long side end in a mode that the short side end can be opened and closed relative to the connecting shaft; a first magnet is arranged on the end face of the short side end; a containing groove for containing the short side end is formed in the position, corresponding to the connecting rod, on the side wall of the second support; a metal plate surface capable of being adsorbed by the first magnet is arranged on the bottom surface of the accommodating groove; when the short side end is embedded into the accommodating groove, the end face of the second support is in contact with the end face of the connecting shaft, and second magnets which are mutually attracted are arranged on the end face of the second support and the end face of the connecting shaft which is in contact with the end face of the second support.
Preferably, in the anti-interference shielding device for the shipborne microwave omnidirectional antenna, the connecting shaft comprises a first connecting shaft and a second connecting shaft, and the first connecting shaft and the second connecting shaft are connected with an elastic arc-shaped plate through a supporting spring; the top end of the first connecting shaft is arranged towards the second support, and the bottom end of the first connecting shaft is fixedly connected with the top end of the supporting spring; the bottom end of the supporting spring is fixedly connected to the center of the concave surface of the arc-shaped plate; the convex surface of the arc-shaped plate is connected to the top end of the second connecting shaft; the bottom end of the second connecting shaft is connected to the first driving module; the supporting spring is a conical spring with the radial diameter gradually reduced from the top end to the bottom end of the supporting spring; the first magnet and the second magnet are electromagnets, and a touch switch connected with the electromagnets is arranged at the position, close to the supporting spring, of the concave surface of the arc-shaped plate; the long limit end of connecting rod with the outer fringe fixed connection of arc to the second support is inwards promoted right after first connecting axle forms the thrust, utilize deformation behind the supporting spring compression makes touch switch is closed in order to control the electro-magnet outage, and forces the arc extends, makes the short limit end of connecting rod is opened for first connecting axle.
The invention at least comprises the following beneficial effects:
according to the anti-interference shielding device for the shipborne microwave omnidirectional antenna, the radiation signal strength of the shipborne microwave omnidirectional antenna in each direction and the interference signal strength around the antenna can be monitored in real time through the arrangement of the base, the shielding reflector and the intelligent adjusting system, the shielding reflector is driven to rotate to the corresponding direction to shield the interference signal after the interference signal is monitored, and meanwhile, the distance between the cover body and the antenna can be adjusted through the distance module, so that the reflected signal of the cover body is superposed with the radiation signal phase emitted by the antenna to generate gain, the influence of the interference signal on the antenna signal is avoided, and the radiation signal strength of the antenna is effectively increased.
Through setting up the cover body and support, support and base are the detachable connection for the storage transportation of device is convenient, and simultaneously, the equipment is used conveniently.
Through the setting of first signal detection module, can detect the radiation signal intensity of the department of reflecting through the cover body, and then instruct the master controller to adjust the distance between the cover body and the antenna for the phase place gets the stack between reflection signal and the normal transmission signal, produces the gain, and avoids the mutual offset between reflection signal and the normal signal.
Through the setting of second signal detection module on the circular orbit of encircleing microwave omnidirectional antenna for second signal detection module can follow the circular orbit and rotate according to predetermined cycle, and then real-time detection the ascending interference radiation signal that receives in each side of microwave omnidirectional antenna, the master controller of being convenient for adjusts the cover body position, in order to reduce the influence of interference radiation signal to antenna emission signal.
Through the setting of third detection module in the annular groove that is close to the base edge for annular groove on the base can be followed to the third signal detection module and rotatory according to predetermined cycle, and then real-time detection microwave omnidirectional antenna emission radiation signal's in each side intensity, and then when emission radiation signal's intensity is lower on certain direction, can remove to the weak subtend of radiation signal intensity through the master controller control cover body, and then through the reflex action of the cover body, make ascending emission radiation signal intensity of subtend obtain the reinforcing, the reflection lid on the control through-hole simultaneously moves away from, thereby reduce the influence of the cover body to the radiation signal intensity of antenna transmission in the place direction.
Through the arrangement of the cover body, the microwave omnidirectional antenna can realize the action of a directional antenna in any direction, and is flexible to use and wide in use scene.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an anti-interference shielding device of a ship-borne microwave omnidirectional antenna according to the present invention;
FIG. 2 is a schematic structural view of the housing of the present invention;
fig. 3 is a schematic structural view of the connecting shaft according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-3, the present invention provides an anti-interference shielding device for a ship-borne microwave omnidirectional antenna, comprising:
the middle of the top surface of the base 1 is connected with the bottom end of the microwave omnidirectional antenna 2 so as to support the microwave omnidirectional antenna 2; a guide rail 3 is arranged around the outer edge of the base 1; an annular groove 4 is formed in the position, close to the outer edge, of the upper surface of the base 1 along the circumferential direction of the base 1; a first driving module 5 is arranged inside the base 1;
a shield reflector comprising a support and a hood 10; the bracket consists of a hollow first bracket 6, a solid second bracket 7 and a second driving module 8; the first support 6 is sleeved outside the second support 7, and the second driving module 8 is arranged in the first support 6 and is fixedly connected with one end, located inside the first support 6, of the second support 7 so as to drive the second support 7 to slide along the inner wall of the first support 6; the end part of the second bracket 7, which is positioned outside the first bracket 6, is embedded in the guide rail 3 and is detachably connected with the first driving module 5 so as to slide along the guide rail 3 under the driving of the first driving module 5; a universal wheel 9 for supporting the support from the ground is arranged on the bottom surface of the end part, which is close to the first support 6 and is far away from the second support 7; the cover body 10 is arranged in a semicircular arc surface, and the cover body 10 is detachably arranged on the first support 6 in a manner that the concave surface faces the microwave omnidirectional antenna 2; a reflecting layer is attached to the concave surface of the cover body 10; a plurality of through holes 11 are uniformly formed in the cover body 10, and a reflecting cover 12 is covered on each through hole 11 in an openable manner;
the intelligent adjustment system comprises a distance module 13, a first signal detection module 14, a second signal detection module 15, a third signal detection module 16 and a main controller; the distance module 13 is arranged on the end face, far away from the base 1, in the first support 6 so as to detect the distance from the end face of the second support 7, located inside the first support 6, to the distance module 13; the first signal detection module 14 is arranged at the center of the concave surface along the horizontal direction, and is used for detecting the radiation signal intensity of the microwave omnidirectional antenna 2 towards one surface of the cover body 10; the second signal detection module 15 is rotatably disposed around the microwave omnidirectional antenna 2 through a ring-shaped track 17 installed at the top end of the microwave omnidirectional antenna 2, and is configured to detect the intensity of the interference radiation signal within a predetermined distance from the microwave omnidirectional antenna 2; the third signal detection module 16 is disposed on the base 1 in a manner of being movable along the annular groove 4, and is configured to detect the radiation signal intensity of the microwave omnidirectional antenna 2 in each direction; the main controller is connected with the first driving module 5, the second driving module 8, the distance module 13, the first signal detection module 14, the second signal detection module 15 and the third signal detection module 16 respectively, and controls the actions of the first driving module 5 and the second driving module 8 according to detection data obtained by the distance module 13, the first signal detection module 14, the second signal detection module 15 and the third signal detection module 16.
In the above scheme, through the base, shielding bowl and intelligent regulation system's setting, make to the radiation signal intensity of shipborne microwave omnidirectional antenna self in all directions, and interference signal intensity homoenergetic around the antenna carries out real time monitoring, and after monitoring interference signal, drive shielding bowl is rotatory to corresponding direction and is in order to shield interference signal, can adjust the distance between the cover body and the antenna through the distance module simultaneously, so that the reflection signal of the cover body and the radiation signal phase place stack of antenna emission, produce the gain, and then not only avoided interference signal to antenna signal's influence, still make antenna radiation signal intensity effectively increase.
Through setting up the cover body and support, support and base are the detachable connection for the storage transportation of device is convenient, and simultaneously, the equipment is used conveniently.
Through the setting of first signal detection module, can detect the radiation signal intensity of the department of reflecting through the cover body, and then instruct the master controller to adjust the distance between the cover body and the antenna for the phase place gets the stack between reflection signal and the normal transmission signal, produces the gain, and avoids the mutual offset between reflection signal and the normal signal.
Through the setting of second signal detection module on the circular orbit of encircleing microwave omnidirectional antenna for second signal detection module can follow the circular orbit and rotate according to predetermined cycle, and then real-time detection the ascending interference radiation signal that receives in each side of microwave omnidirectional antenna, the master controller of being convenient for adjusts the cover body position, in order to reduce the influence of interference radiation signal to antenna emission signal.
Through the setting of third detection module in the annular groove that is close to the base edge for annular groove on the base can be followed to the third signal detection module and rotatory according to predetermined cycle, and then real-time detection microwave omnidirectional antenna emission radiation signal's in each side intensity, and then when emission radiation signal's intensity is lower on certain direction, can remove to the weak subtend of radiation signal intensity through the master controller control cover body, and then through the reflex action of the cover body, make ascending emission radiation signal intensity of subtend obtain the reinforcing, the reflection lid on the control through-hole simultaneously moves away from, thereby reduce the influence of the cover body to the radiation signal intensity of antenna transmission in the place direction.
Through the arrangement of the cover body, the microwave omnidirectional antenna can realize the action of a directional antenna in any direction, and is flexible to use and wide in use scene.
In a preferred scheme, a guide groove 18 is arranged on the concave surface of the cover body 10 along the longitudinal direction of the cover body 10; the first signal detection module 25 is disposed in the guide groove 18, and after the first driving module 5 drives the cover body 10 to move to a direction toward the weakest radiation signal intensity of the microwave omnidirectional antenna 2, under the control of the main controller, the first signal detection module moves from one end of the guide groove 18 to the other end at a constant speed so as to detect the radiation signal intensity of the microwave omnidirectional antenna 2 at each height.
In the above scheme, the arrangement of the guide groove on the concave surface of the cover body enables the first signal detection module to detect the distribution of the radiation signal intensity of the antenna at each height in the weakest direction of the radiation signal of the antenna, so as to determine the height of the external interference source.
In a preferred scheme, the cover body 10 is connected to the first bracket 6 through a support rod 19 and a plurality of connecting rods 20; the cover body 10 comprises a main cover body 21 and two branch cover bodies 22 which are respectively connected with the upper end and the lower end of the main cover body 21 in an openable and closable manner in a staggered manner; the bottom end of the supporting rod 19 is fixedly connected to the end face, close to the base 1, of the first support 6, and the top end of the supporting rod 19 extends vertically upwards; the main cover body 21 and the branch cover body 22 are respectively connected to the top ends of the connecting rods 20; the end of the connecting rod 20 connected with the main cover 21 is connected with the supporting rod 19 in a manner of being capable of moving along the axial direction of the supporting rod 19; the ends of the links 20 connected to the branch covers 22 are connected to the ends of the adjacent links 20 connected to the main cover 21, respectively.
In the above scheme, pass through the bracing piece and the connecting rod is connected on first support through setting up the cover body, and the cover body comprises the main cover body and two branch cover bodies, thereby when first signal detection module detects the height that antenna emission radiation signal is the weakest, can be according to the position of this height adjustment cover body, and according to the size of the length adjustment cover body that radiation signal is the weakest, thereby effectual reduction interfering signal is to antenna signal transmission's influence, reduce the influence of the cover body to normal emission radiation signal's antenna height simultaneously, thereby improve antenna emission radiation signal's intensity.
In a preferred embodiment, the main controller is connected to the connecting rod 20 to adjust the size and height of the enclosure 10 according to the radiation signal intensity of the microwave omnidirectional antenna 2 at each height, so that the enclosure 10 only covers the position on the microwave omnidirectional antenna 2 where the radiation signal intensity is smaller than the predetermined intensity threshold value.
In the above scheme, connect the connecting rod through the master controller for the regulation of the height and the size of the cover body realizes automation and intellectuality, thereby has reduced artificial use, and has improved the degree of accuracy of the adjustment of the cover body, has improved the availability factor.
In a preferred scheme, a database is arranged in the main controller, and a data set obtained by training the relationship among a plurality of radiation signal intensity numerical values, interference signal numerical values and cover body size numerical values is stored in the database; the both sides of the cover body 10 are provided with ailerons 23 respectively, the ailerons 23 laminate when initial position on the convex surface of the cover body 10, the master controller is according to by the interference radiation signal intensity that third detection module 16 obtained by the database transfers with cover body 10 size numerical value that interference radiation signal intensity is the closest interference signal numerical value corresponds in, and according to cover body 10 size numerical value is in when cover body 10 size is less than cover body 10 size numerical value, drive aileron 23 to cover body 10 both sides remove, until the size of the combination cover body that comprises aileron 23 and cover body 10 with cover body 10 size numerical value looks adaptation.
In the scheme, the database and the ailerons on the two sides of the cover body are arranged, so that the size of the cover body can be reasonably adjusted in the transverse direction, the blocking effect of the cover body on interference radiation signals is further improved, and the strength of the radiation signals emitted by the antenna is improved; meanwhile, the arrangement of the side wings can also realize the effect of adjusting the size of the cover body according to the strength of the signal, namely when the radiation signal is weaker, the ailerons can be expanded to enlarge the cover body and reduce the reception of useless signals, when the signal radiation is stronger, the ailerons can be retracted to reduce the size of the cover body, so that an external user can receive more radiation signals; in addition, the ailerons can be arranged in a sub-group structure according to the structures of the branch cover body and the main cover body so as to match the adjustment of the cover body in the longitudinal direction.
In a preferred embodiment, the detachable connection manner of the second bracket 7 and the first driving module 5 is as follows: the first driving module 5 is provided with a connecting shaft connected with the second bracket 7; at least 3L-shaped connecting rods 24 are uniformly arranged on the side wall of the connecting shaft at intervals along the circumferential direction of the connecting shaft; the connecting rod 24 is connected with the connecting shaft at the long side end in a mode that the short side end can be opened and closed relative to the connecting shaft; a first magnet is arranged on the end face of the short side end; a containing groove 25 for containing the short side end is formed in the side wall of the second bracket 7 at a position corresponding to the connecting rod 24; a metal plate surface capable of being adsorbed by the first magnet is arranged on the bottom surface of the accommodating groove 25; when the short side end is embedded into the accommodating groove 25, the end face of the second support 7 is in contact with the end face of the connecting shaft, and second magnets which are mutually attracted are arranged on the end face of the second support 7 and the end face of the connecting shaft which is in contact with the end face of the second support 7.
In the above scheme, through the setting of connecting rod, connecting axle for the connection of second support and first drive module is more convenient, only needs insert the minor face end of connecting rod in the storage tank of second support, can realize connecting, and through first magnet and metal face to and the setting of second magnet, makes to connect more firm, thereby does benefit to the device uses on rocking relatively serious boats and ships.
In a preferred scheme, the connecting shafts comprise a first connecting shaft 26 and a second connecting shaft 27, and the first connecting shaft 26 and the second connecting shaft 27 are connected with an elastic arc-shaped plate 29 through a supporting spring 28; the top end of the first connecting shaft 26 is arranged towards the second bracket, and the bottom end of the first connecting shaft 26 is fixedly connected with the top end of the supporting spring 28; the bottom end of the supporting spring 28 is fixedly connected to the concave center of the arc plate 29; the convex surface of the arc plate 29 is connected to the top end of the second connecting shaft 27; the bottom end of the second connecting shaft 27 is connected to the first driving module 5; the support spring 28 is provided as a conical spring whose radial diameter is gradually reduced from the top end to the bottom end of the support spring 28; the first magnet and the second magnet are electromagnets, and a touch switch 30 connected with the electromagnets is arranged on the concave surface of the arc-shaped plate 29 close to the supporting spring 28; the long side end of the connecting rod 24 is fixedly connected with the outer edge of the arc-shaped plate 29, so that after the second support 7 pushes the first connecting shaft 26 inwards to form thrust, the deformation of the compressed supporting spring 28 is utilized to close the touch switch 30 to control the electromagnet to be powered off, the arc-shaped plate 29 is forced to extend, and the short side end of the connecting rod 24 is opened relative to the first connecting shaft 26.
In the above scheme, through the setting of supporting spring and arc for when second support and base need separate, only need promote the second support to the base direction, it is right when the tip of second support after first connecting axle forms the thrust, can utilize deformation messenger after the conical spring compression touch switch is closed in order to control the electro-magnet outage, thereby make the pressure that the radian of arc diminishes disappears, and then takes place the extension, makes the minor face end of connecting rod is continuously opened for first connecting axle, and the second support of being convenient for is taken out from by the connecting rod within a definite time, and then makes the connection of second support and base not only convenient, and it is also very convenient to dismantle.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides an anti-interference shield assembly of on-board microwave omnidirectional antenna which characterized in that includes:
the middle of the top surface of the base is connected with the bottom end of the microwave omnidirectional antenna so as to support the microwave omnidirectional antenna; a guide rail is arranged around the outer edge of the base; an annular groove is formed in the position, close to the outer edge, of the upper surface of the base along the circumferential direction of the base; a first driving module is arranged inside the base;
a shield reflector comprising a support and a cover; the bracket consists of a hollow first bracket, a solid second bracket and a second driving module; the first support is sleeved outside the second support, and the second driving module is arranged in the first support and fixedly connected with one end, located inside the first support, of the second support so as to drive the second support to slide along the inner wall of the first support; the end part of the second bracket, which is positioned outside the first bracket, is embedded into the guide rail and is detachably connected with the first driving module so as to slide along the guide rail under the driving of the first driving module; a universal wheel for supporting the support from the ground is arranged on the bottom surface of the end part, which is close to the first support and is far away from the second support; the cover body is arranged on the first support in a semicircular arc surface mode, and the cover body is detachably arranged on the first support in a mode that the concave surface faces the microwave omnidirectional antenna; a reflecting layer is attached to the concave surface of the cover body; a plurality of through holes are uniformly formed in the cover body, and a reflecting cover is covered on the through holes in an openable manner;
the intelligent adjustment system comprises a distance module, a first signal detection module, a second signal detection module, a third signal detection module and a main controller; the distance module is arranged on the end face, far away from the base, in the first support so as to detect the distance between the end face of the second support, located in the first support, and the distance module; the first signal detection module is arranged at the center of the concave surface along the horizontal direction and used for detecting the radiation signal intensity of the microwave omnidirectional antenna towards one surface of the cover body; the second signal detection module is rotatably arranged around the microwave omnidirectional antenna through an annular track arranged at the top end of the microwave omnidirectional antenna and is used for detecting the intensity of interference radiation signals within a preset distance from the microwave omnidirectional antenna; the third signal detection module is arranged on the base in a manner of moving along the annular groove and is used for detecting the radiation signal intensity of the microwave omnidirectional antenna in each direction; the main controller is respectively connected with the first driving module, the second driving module, the distance module, the first signal detection module, the second signal detection module and the third signal detection module, and controls the actions of the first driving module and the second driving module according to detection data obtained by the distance module, the first signal detection module, the second signal detection module and the third signal detection module.
2. The anti-jamming shielding device of claim 1, wherein a guide slot is provided on the concave surface of the cover body along the longitudinal direction of the cover body; the first signal detection module is arranged in the guide groove, the first driving module drives the cover body to move to the direction towards the weakest radiation signal intensity of the microwave omnidirectional antenna, and then under the control of the main controller, one end of the guide groove moves to the other end at a constant speed to detect the radiation signal intensity of the microwave omnidirectional antenna at each height.
3. The shipborne microwave omnidirectional antenna anti-interference shielding device according to claim 2, wherein the cover body is connected to the first bracket through a support rod and a plurality of connecting rods; the cover body comprises a main cover body and two branch cover bodies which are respectively connected with the upper end and the lower end of the main cover body in a staggered manner in an openable and closable manner; the bottom end of the supporting rod is fixedly connected to the end face, close to the base, of the first support, and the top end of the supporting rod extends vertically upwards; the main cover body and the branch cover bodies are respectively connected to the top ends of the connecting rods; the tail end of a connecting rod connected with the main cover body is connected to the supporting rod in a mode of moving along the axial direction of the supporting rod; the tail ends of the connecting rods connected with the branch cover bodies are respectively connected with the tail ends of the adjacent connecting rods connected with the main cover body.
4. The on-board microwave omnidirectional antenna anti-interference shielding device of claim 3, wherein the master controller is connected to the connecting rod to adjust the size and height of the cover body according to the radiation signal intensity of the microwave omnidirectional antenna at each height, so that the cover body only covers the position on the microwave omnidirectional antenna where the radiation signal intensity is smaller than a predetermined intensity threshold value.
5. The anti-interference shielding device of claim 1, wherein a database is disposed in said main controller, and a data set trained by a relationship among a plurality of values of radiation signal intensity, interference signal, and shield size is stored in said database; the both sides of the cover body are provided with the aileron respectively, the aileron is in the laminating when initial position on the convex surface of the cover body, the master controller is according to by the interference radiation signal intensity that third detection module obtained by transfer in the database with the cover body size numerical value that interference radiation signal intensity is the closest interference signal numerical value corresponds, and according to cover body size numerical value is in when the cover body size is less than cover body size numerical value, the drive the aileron to cover body both sides remove, until by the size of the combination cover body that aileron and cover body are constituteed with cover body size numerical value looks adaptation.
6. The anti-jamming shielding device of claim 1, wherein the detachable connection of the second bracket to the first driving module is: the first driving module is provided with a connecting shaft connected with the second bracket; at least 3L-shaped connecting rods are uniformly arranged on the side wall of the connecting shaft at intervals along the circumferential direction of the connecting shaft; the connecting rod is connected with the connecting shaft at the long side end in a mode that the short side end can be opened and closed relative to the connecting shaft; a first magnet is arranged on the end face of the short side end; a containing groove for containing the short side end is formed in the position, corresponding to the connecting rod, on the side wall of the second support; a metal plate surface capable of being adsorbed by the first magnet is arranged on the bottom surface of the accommodating groove; when the short side end is embedded into the accommodating groove, the end face of the second support is in contact with the end face of the connecting shaft, and second magnets which are mutually attracted are arranged on the end face of the second support and the end face of the connecting shaft which is in contact with the end face of the second support.
7. The anti-jamming shielding device of claim 6, wherein the connecting shafts comprise a first connecting shaft and a second connecting shaft, and the first connecting shaft and the second connecting shaft are connected with an arc-shaped plate with elasticity through supporting springs; the top end of the first connecting shaft is arranged towards the second support, and the bottom end of the first connecting shaft is fixedly connected with the top end of the supporting spring; the bottom end of the supporting spring is fixedly connected to the center of the concave surface of the arc-shaped plate; the convex surface of the arc-shaped plate is connected to the top end of the second connecting shaft; the bottom end of the second connecting shaft is connected to the first driving module; the supporting spring is a conical spring with the radial diameter gradually reduced from the top end to the bottom end of the supporting spring; the first magnet and the second magnet are electromagnets, and a touch switch connected with the electromagnets is arranged at the position, close to the supporting spring, of the concave surface of the arc-shaped plate; the long limit end of connecting rod with the outer fringe fixed connection of arc to the second support is inwards promoted right after first connecting axle forms the thrust, utilize deformation behind the supporting spring compression makes touch switch is closed in order to control the electro-magnet outage, and forces the arc extends, makes the short limit end of connecting rod is opened for first connecting axle.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010130424A (en) * | 2008-11-28 | 2010-06-10 | Seiko Epson Corp | Operation control device, radio receiving device and operation control method |
| CN203434278U (en) * | 2013-01-30 | 2014-02-12 | 中兴通讯股份有限公司 | Apparatus for reducing interference between multiple base station antennas |
| CN104483681A (en) * | 2014-12-15 | 2015-04-01 | 南京信息工程大学 | Device, system and method for testing omnidirectional interference of satellite navigation terminal |
| CN106249277A (en) * | 2016-07-21 | 2016-12-21 | 方彐云 | A kind of detection equipment for oil exploration using light detection technique |
| CN107049312A (en) * | 2016-03-21 | 2017-08-18 | 周磊 | Intelligent glasses |
| CN110190914A (en) * | 2018-05-22 | 2019-08-30 | 北京机电工程研究所 | Screening arrangement for the anti-interference satellite receiver test of aircraft |
-
2020
- 2020-12-16 CN CN202011481736.7A patent/CN112701474B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010130424A (en) * | 2008-11-28 | 2010-06-10 | Seiko Epson Corp | Operation control device, radio receiving device and operation control method |
| CN203434278U (en) * | 2013-01-30 | 2014-02-12 | 中兴通讯股份有限公司 | Apparatus for reducing interference between multiple base station antennas |
| CN104483681A (en) * | 2014-12-15 | 2015-04-01 | 南京信息工程大学 | Device, system and method for testing omnidirectional interference of satellite navigation terminal |
| CN107049312A (en) * | 2016-03-21 | 2017-08-18 | 周磊 | Intelligent glasses |
| CN106249277A (en) * | 2016-07-21 | 2016-12-21 | 方彐云 | A kind of detection equipment for oil exploration using light detection technique |
| CN110190914A (en) * | 2018-05-22 | 2019-08-30 | 北京机电工程研究所 | Screening arrangement for the anti-interference satellite receiver test of aircraft |
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