175results about "Vibration damping" patented technology

An antenna, an antenna assembly, and a base station includes a radome, a first antenna portion, and a second antenna portion. The first antenna portion is disposed inside the radome, and the second antenna portion is coupled to the first antenna portion, disposed outside the radome, and exposed to a surrounding environment. In this way, the radome does not need to cover the entire antenna, but covers only a portion of the antenna. Therefore, a wind load acting on a support structure by using the radome can be reduced. In addition, a cavity is provided to accommodate transmission lines of the antenna together, so that use of a connecting device such as a jumper can be reduced or even avoided, to reduce a transmission loss of the antenna.

The present disclosure provides an antenna, an antenna system and an automobile, belonging to the field of wireless communication technologies. The antenna includes a main antenna, a parasitic antenna and a main board; the main antenna and the parasitic antenna are both located on the surface of the main board, and the plane where the main antenna is located is parallel to the plane where the parasitic antenna is located and the positions are opposite; the feeding point of the main antenna is connected to the feeding transmission line of the main board, and the parasitic antenna is connected to the second grounding end of the main board; wherein, the difference between the resonant frequency point of the main antenna and the resonant frequency point of the parasitic antenna is less than a target threshold. When this antenna is applied in an automobile as a communication antenna of the automobile, such as a 4G communication antenna or a 5G communication antenna, it can achieve 4G or 5G wide-bandwidth coverage, such as full-bandwidth coverage. In addition, this antenna can also improve the out-of-band suppression ratio and enhance the anti-foreign frequency interference characteristics.

The invention relates to the technical field of vehicle-mounted antennas, in particular to a combined ultra-short-wave high-power center-fed vehicle-mounted antenna which comprises an antenna base, an antenna whip rod, a row of curved section units, a long metal curved sheet, a whip head spring assembly and a whip root plate, the antenna base comprises an integrated shell fixedly connected with the whip root plate, and a wind box device installed in the integrated shell; when a vehicle runs normally, a row of curved section units form a hard straight frame, the curved section units bind the antenna whip rod, the antenna whip rod cannot be bent and swung, vibration impact on the vehicle has small influence on the hard antenna, the hard antenna can stably receive signals, and when the vehicle runs at a high speed, the antenna whip rod cannot be damaged. When the vehicle runs at a high speed, the hard straight frame formed by the row of curved section units is disassembled, the antenna pole loses constraint, airflow blows the antenna pole, and the antenna pole bends following the wind, so that the soft antenna can reduce the wind resistance of the vehicle in the high-speed running process.

The present invention discloses a general-purpose low-profile active array antenna system, which includes an antenna module, a multi-functional structural frame, a power divider module, a beam control module, a radio frequency connector, and a low-frequency connector. The multi-functional structural frame includes at least two cavities, and the partition between the two cavities includes a plurality of radio frequency connection holes and a plurality of low-frequency connection holes. The antenna module is connected to one of the cavities, the power divider module and the beam control module are connected to the other cavity. The radio frequency connector is located in the radio frequency connection hole, and the radio frequency connector connects the antenna module and the power divider module. The low-frequency connector is located in the low-frequency connection hole, and the low-frequency connector connects the antenna module and the beam control module. The beneficial effects of the present invention are as follows: the system composition is simplified, which is beneficial to the generalization, serialization, and standardization design of modules, and is more conducive to the realization of low-cost design of active array antennas.

The invention provides an unfolding device of a satellite-borne phased-array antenna and an assembling and working method of the unfolding device, and belongs to the technical field of space product structure and mechanism design. The problem that the unfolding capacity of an existing unfolding type phased-array antenna is limited is solved. The unfolding device comprises a phased-array antenna unfolding part, unfolding locking mechanisms and a pressing releasing mechanism, in a pressing state, the phased-array antenna unfolding part is located below a satellite bottom plate, and the side edge of the phased-array antenna unfolding part is connected with a main frame of a satellite through the unfolding locking mechanisms which are symmetrically arranged; a plurality of pressing points are arranged on the phased-array antenna unfolding part, each pressing point is connected with a satellite through a pressing releasing mechanism, phased-array antenna sub-arrays are arranged on the phased-array antenna unfolding part and a satellite bottom plate, and the unfolding locking mechanism comprises an unfolding arm, an unfolding arm support, a torsion spring and a locking hook. The two ends of the two unfolding arms are rotationally connected with the two ends of the two unfolding arm supports. The satellite-borne phased-array antenna unfolding device is mainly used for unfolding satellite-borne phased-array antennas.

Assemblies, apparatuses, and methods are presented herein for coupling elements of an antenna assembly. A coupling apparatus for coupling antennas of an antenna assembly includes a spacer. A first end of the spacer is configured to interface with a first antenna. A second end of the spacer is configured to interface with a second antenna. An internal passageway extends from an end opening in the first end. The internal passageway also extends from a side opening between the first end and the second end.

The invention provides an antenna housing, an antenna and an antenna system, the antenna housing is installed on a holding pole, the antenna housing comprises a first area, the first area is an area enclosed by a critical point of simultaneous windward of the antenna housing and the holding pole on the antenna housing, and the first area comprises a first concave part. According to the antenna housing, the antenna and the antenna system provided by the embodiment of the invention, the overall wind load of the antenna system can be reduced.

The invention relates to the technical field of antenna protection, in particular to an antenna protection cover convenient to install. Comprising a base, a rubber pad is embedded in the lower portion of the base, a protective shell is rotationally connected to the base, first ventilation openings which are symmetrically distributed are formed in the lower portion of the protective shell, a guide rod is fixedly connected into the protective shell, and first baffles which are symmetrically distributed and second baffles which are symmetrically distributed are slidably connected to the guide rod; the winding frame is rotationally connected into the protective shell; and the winding wheel is arranged on the lower side of the winding frame, and a connecting rope is arranged between the first baffle and the winding frame and a connecting rope is arranged between the second baffle and the winding wheel. By adjusting the positions of the first baffle and the second baffle, gas in the protective shell can be exchanged with the outside under the condition that the external wind speed is low, so that the flowing gas takes away heat generated by the antenna, and the normal working state of the antenna is ensured.

The invention discloses a base station antenna with a work parameter measurement module, the base station antenna is provided with an antenna housing, the antenna housing comprises a main body, a first end cover and a second end cover, the first end cover and the second end cover are located at two ends of the main body, and the antenna housing is provided with an opening for plugging the work parameter measurement module. According to the base station antenna with the work parameter measurement module provided by the invention, the antenna housing is provided with the opening for plugging the work parameter measurement module, so that on one hand, the work parameter measurement module arranged in the antenna housing can be better protected; and on the other hand, the installation convenience of the work parameter measurement module can be improved in a pluggable mode.

Provided is an antenna integrated structure in which an antenna is inserted into ground vehicle, marine ship and aircraft structure, and more particularly, a sandwich panel type antenna integrated latticecore having a structure for improving communication performance of an antenna module.

The invention belongs to the technical field of base station antennas, and particularly relates to a base station antenna multi-angle self-adaptive adjustment mechanical transmission device which comprises an angle grinding frame, a control unit is arranged in a space on one side of the angle grinding frame, and a cleaning unit is arranged in a space on the other side of the angle grinding frame. The cable is additionally arranged between the base station antenna and the angle rod, when the base station antenna carries out inclination angle adjustment, the connection rigidity between the base station antenna and the angle rod is enhanced through the cable, and meanwhile the actual hoisting position of the arc light plate on the outer wall of the angle rod is dynamically adjusted; the traction force of the cable can be linearly changed along with the change of the inclination angle of the base station antenna synchronously, the system rigidity is dynamically adjusted in real time, the vibration amplitude is reduced, the coincidence between the vibration frequency and the inherent frequency of the system is changed to a certain extent, resonance damage is avoided, and fatigue accumulation of the movable connection point of the base station antenna is reduced.

The invention relates to a vehicle antenna module (100) comprising a main first printed circuit board (201) housed horizontally in a casing, at least a second printed circuit board (205a) comprising a radiofrequency antenna, mounted vertically on the first printed circuit board (201) and protruding from an upper face of the casing, and a cover (101), mounted on said casing, and configured to cover at least the second printed circuit board (205a), the antenna module (100) being such that the cover (101) comprises a shell (206) and an elastic element (207), the elastic element (207) being configured to exert pressure on the upper edge face of the second board (205a) when the cover is in place on the casing in order to ensure electrical contact between the lower edge face of the second board (205a) and at least one flexible contact element (300) on the surface of the first board (201).

The application discloses a vehicle-mounted multi-type antenna overturning and lifting device, which comprises a lodging overturning device, a lifting device and a vehicle carrying device. The lodging overturning device comprises an antenna, an antenna servo platform and a lodging overturning mechanism. The antenna servo platform is combined by vertically installing a servo control unit below one end of a lodging platform plate. The lodging overturning mechanism is installed at the other end of the lodging platform plate. The antenna is installed directly above the lodging overturning mechanism. A pitching mechanism is horizontally installed at the right side of the lodging overturning mechanism. The lifting device comprises a spring cable, an electric lifting rod, a lightning arrester and a speed reducer. The spring cable wraps the electric lifting rod. The lightning arrester is installed on the electric lifting rod and passes through the antenna servo platform to be located at the highest position. The speed reducer and the electric lifting rod are installed in parallel in a vehicle compartment. The vehicle carrying device comprises a control box and a vehicle compartment. The device can improve the working efficiency and the wind resistance, and meet the working information propagation distance of the antenna and the driving passability of the vehicle.

The application discloses a thin film circularly polarized antenna and belongs to the technical field of phased array antennas. The thin film circularly polarized antenna comprises an upper layer radiation thin film antenna, the bottom of the upper layer radiation thin film antenna is provided with an intermediate hollow structure, the side, away from the upper layer radiation thin film antenna, of the intermediate hollow structure is provided with a lower layer radiation thin film antenna, and the side, away from the intermediate hollow structure, of the lower layer radiation thin film antenna is provided with a bottom layer radio frequency printed board. The hollow region of the intermediate hollow structure forms an air medium layer, and air is used as an antenna radiation medium. The upper layer radiation thin film antenna, the intermediate hollow structure and the lower layer radiation thin film antenna are fixed and assembled into an integrated whole through a mechanical connection mode. The thin film circularly polarized antenna of the application omits the processes such as exposure, development, etching and multiple pressing of the conventional PCB process, greatly simplifies the manufacturing process, greatly reduces the manufacturing cost, is suitable for quick mass production with low cost, and has the advantage of not being easy to break compared with the conventional PCB process antenna.

The application relates to the technical field of antennas, in particular to a board-shaped antenna of a repeater. The technical scheme is as follows: a supporting embrace pole and a fixing piece installed on the side wall of the supporting embrace pole are provided, one side of the fixing piece is provided with an antenna through a supporting block, a lifting control element is arranged on the side wall of the supporting embrace pole, the lifting control element is supported and connected with the antenna through a supporting shaft, the lifting control element comprises a control screw rod and a T-shaped frame two which is slidingly connected on the side wall of the supporting embrace pole, the T-shaped frame two is drivingly sleeved on the side wall of the control screw rod, one side of the T-shaped frame two is provided with an angle locking mechanism for locking the supporting shaft, and the lifting control element is locked after the angle is adjusted through the angle locking mechanism. Through the design of the supporting shaft and the lifting control element, the angle of the antenna can be quickly adjusted, the lifting control element is kept stable under the action of the angle locking mechanism after being adjusted, and then the antenna keeps the stable signal receiving effect at the best angle.

The invention relates to the technical field of antennas, in particular to a short-wave multipurpose antenna with an automatic pitch angle adjusting function, which comprises an antenna branch pipe, an adjusting worm arranged in the antenna branch pipe, an adjusting worm gear meshed with the adjusting worm and an antenna part, and is characterized in that the adjusting worm gear is fixedly connected with the antenna part, and the adjusting worm rotates to adjust the pitch angle of the antenna part. The adjusting worm gear is driven to drive the antenna part to perform pitch angle adjustment; according to the short-wave multipurpose antenna with the pitch angle automatic adjustment function, detection and automatic compensation can be carried out on the problem that the pitch angle of the antenna is changed due to the fact that the antenna branch pipe is bent due to wind power in a strong wind environment when the antenna branch pipe is long, and the directionality of the antenna under wind power interference is improved.

The invention discloses an antenna unfolding keeping device suitable for sea level observation buoy information transmission, belongs to the technical field of deep sea observation information remote transmission, and realizes system stability control through a dynamic buoyancy compensation mechanism. When an annular frame of the floating air ball ascends, a piston head in a through pipe is synchronously pulled to slide upwards through a pull rope, in the process that the piston head moves upwards along the through pipe, communication ports of a water tank and the through pipe are sequentially opened, seawater is injected into the water tank layer by layer from bottom to top from the bottom of the through pipe, and the total weight of the system is gradually increased along with increase of the water filling amount of the water tank; the buoyancy and the gravity are balanced again, the device keeps a stable floating posture, in the process, through dynamic matching of the buoyancy and the gravity, it is ensured that the gravity center of the device is always in a balanced state in the floating air ball lift-off process, and overturning or posture instability caused by sudden buoyancy change is avoided.

The application discloses a communication pole with strong wind resistance for directional antenna and relates to the field of communication poles. The communication pole with strong wind resistance for directional antenna comprises a pole main body, a rotating installation column, a frame body assembly and an antenna assembly. The rotating installation column is rotatably installed on the top of the pole main body. The frame body assembly comprises a base frame, four arc-shaped guide strips and two connecting plates. The four arc-shaped guide strips are arranged to form a swing space. The two connecting plates are installed on the two sides of the base frame. The antenna assembly comprises a directional antenna and a frame arranged around the directional antenna. The antenna assembly is located in the swing space. The four corners of the frame are guided by the four arc-shaped guide strips. The middle portions of the two sides of the frame are provided with rotating shafts which are rotatably connected to the connecting plates. A driving assembly is arranged to drive the rotating shafts to rotate and make the antenna assembly swing. The application aims to improve the installation stability and direction adjustment accuracy of the directional antenna.

We generally describe an antenna (100, 200, 300, 400, 500), in particular a parabolic antenna, comprising: a primary reflector (102), in particular a parabolic dish, a feed antenna and / or a secondary reflector (104) for transmitting and / or reflecting an electromagnetic wave towards the primary reflector and / or receiving a said electromagnetic wave reflected from the primary reflector, a feed (106) coupled to the feed antenna and / or secondary reflector, wherein the feed antenna and / or secondary reflector is coupleable, via the feed, to a radio-frequency transmission and / or reception device (108), and an actuator unit (114, 116) coupled to one or more of the feed antenna, the secondary reflector and the feed, wherein the actuator unit is configured to move the feed antenna and / or the secondary reflector, by exerting a mechanical force on the feed antenna and / or the secondary reflector and / or the feed, relative to the primary reflector.

The invention relates to the technical field of antennas, in particular to a large-scale MIMO array antenna which comprises a mounting rod, a mounting plate and a signal unit, two clamping claws are arranged on the outer side of the mounting rod, an upper folding plate is arranged on the outer side of the mounting plate, a horizontal reset assembly is arranged between one clamping claw and the upper folding plate, and the signal unit is arranged on the mounting plate. The large-scale MIMO array antenna has the function that the mounting plate and the signal unit borne by the mounting plate can be automatically reset in the horizontal direction, the large-scale MIMO array antenna is provided with the horizontal reset assembly and the transverse reset assembly, the reset functions of the mounting plate and the signal unit in the horizontal direction and the transverse direction are achieved respectively, the continuous concentrated load of strong wind on the mounting rigid structure can be buffered, and the mounting reliability is improved. The large-scale MIMO array antenna has the advantages that the support, the connecting piece and the like are prevented from being fractured due to the fact that load exceeds tolerance limit, equipment damage probability is reduced, operation and maintenance stability of a base station is guaranteed, potential safety hazards caused by structural fracture are reduced, and the overall service life of the large-scale MIMO array antenna is prolonged.

The invention relates to the technical field of communication equipment, in particular to a communication base station which comprises a baseband processing unit, a radio frequency processing unit and an antenna feeder system which are installed on a stand column, the antenna feeder system is movably installed on the side portion of the stand column through a stretching component, and a movable frame of a stretching component body is installed on the side portion of the stand column in a sliding mode; the working angle and position of the antenna feeder system are adjusted by controlling the extension amplitude of the antenna feeder system on the side part of the stand column, so that the capability of resisting severe weather of the antenna equipment is improved; under the condition of hail weather, the antenna feeder system is erected, and the hail impact area is reduced; under the condition of storm weather, the antenna feeder system is folded towards the position close to the stand column, the extending distance of the antenna feeder system is shortened, the pressure borne by the connecting component is reduced, and the connecting component is prevented from being broken and damaged.

An antenna system, a communication device, and a communication system. The antenna system includes an antenna apparatus. The antenna apparatus includes a radiating element array and a reflection plate. The radiating element array is disposed on a first side of the reflection plate. The reflection plate further has a second side opposite to the first side. The reflection plate includes a plurality of reflection plate through holes. Space on the two sides of the reflection plate is connected through the plurality of reflection plate through holes. The antenna system further includes a blade. The blade is located on one side of the antenna apparatus, and is disposed opposite to the plurality of reflection plate through holes. The solutions provided help reduce impact of wind load on the antenna system, and improve performance of the antenna system.

Embodiments of this application disclose an antenna apparatus, to reduce windload. The antenna apparatus in embodiments of this application includes a radome. An interference structure is disposed on a surface of the radome, and the interference structure is configured to change flowing of an airflow at a surface boundary layer when the airflow passes through the surface of the radome. The interference structure is disposed on the antenna apparatus to change the flowing of the airflow at the surface boundary layer. This reduces windload on the antenna apparatus.

The invention discloses a base station antenna supporting structure, and relates to the technical field of antennas, and the base station antenna supporting structure comprises a connecting unit which comprises a mounting rack; and the supporting and adjusting unit comprises a driving assembly arranged on the outer diameter of the mounting frame and a supporting assembly arranged on the outer diameter of the mounting frame, and the supporting assembly is matched with the driving assembly. Flexible adjustment of the azimuth angle and the height of the signal part body is achieved through the driving assembly, accurate positioning can be conducted according to the environment requirement and the signal coverage requirement, the signal part body can be completely contracted into the containing piece to be fixed in severe weather, the wind resistance and stability are remarkably improved, and the signal part is convenient to use. Through the design of the auxiliary supporting assembly, the first connecting piece and the supporting assembly, the bearing is effectively prevented from being rusted, the fixing effect is better than that of a traditional hoop mode, all-directional protection is provided for key components such as a gear and a micro motor, rainwater can be guided and drained, and reliable operation of a driving component is guaranteed.

The invention relates to the technical field of antennas, in particular to a repeater plate-shaped antenna. According to the technical scheme, the antenna fixing device comprises a supporting holding pole and a fixing piece installed on the side wall of the supporting holding pole, an antenna is installed on one side of the fixing piece through a supporting block, the antenna fixing device further comprises a lifting control piece arranged on the side wall of the supporting holding pole, and the lifting control piece and the antenna are in supporting connection through a supporting shaft; the lifting control part comprises a control screw rod and a T-shaped frame II which is connected to the side wall of the supporting holding pole in a sliding manner; the T-shaped frame II is arranged on the side wall of the control screw rod in a transmission sleeving manner; one side of the second T-shaped frame is provided with an angle locking mechanism used for locking the supporting shaft, and after the angle of the lifting control piece is adjusted, the angle is locked through the angle locking mechanism. Through the design of the supporting shaft and the lifting control piece, the angle of the antenna can be rapidly adjusted, the stable supporting effect is kept after the lifting control piece is adjusted under the action of the angle locking mechanism, and then the stable signal receiving effect of the antenna at the optimal angle is kept.

The invention relates to the technical field of electronic detonators, and discloses an annular transmitting antenna and method for improving the reliability of a wireless through-the-earth detonating electronic detonator, and the method comprises the steps: drilling a hole in a to-be-detonated site, and placing the wireless through-the-earth detonating electronic detonator in the hole; determining a placement position corresponding to the low-frequency signal transmitting device, arranging an antenna rotating frame at the corresponding placement position, and mounting the small-diameter annular transmitting antenna on the antenna rotating frame; various types of sensors are arranged at the positions of the wireless through-the-earth detonation electronic detonator and the low-frequency signal transmitting device; sending the sensor data collected by each type of sensor to a server in real time, processing the received sensor data by the server, and extracting corresponding key features; the server outputs an optimal transmitting angle corresponding to the corresponding small-diameter annular transmitting antenna according to the extracted key features; and the small-diameter annular transmitting antenna on the antenna rotating frame is controlled to rotate.

The present invention relates to the technical field of antennas, and specifically to a short-wave multi-purpose antenna with automatic elevation angle adjustment, which includes an antenna branch pipe, an adjustment worm provided in the antenna branch pipe, an adjustment worm gear meshing with the adjustment worm, and an antenna part. The adjustment worm gear and the antenna part are fixedly connected. By rotating the adjustment worm, the adjustment worm gear is driven to drive the antenna part to perform elevation angle adjustment. The short-wave multi-purpose antenna of the present invention with automatic elevation angle adjustment can detect and automatically compensate for the problem that the bending of the antenna branch pipe caused by wind force leads to a change in the elevation angle of the antenna when in a strong wind environment and the antenna branch pipe is relatively long, thereby improving the directivity of the antenna under wind interference.

A reduced wind load antenna includes: a radome having front, rear, and side surfaces; upper and lower end caps attached to upper and lower ends of the radome to define an internal cavity; and radiating elements positioned within the internal cavity and configured to transmit and receive radio frequency (RF) signals. The antenna includes at least one airflow separation delaying feature selected from the group consisting of: large radiused corners on the lower end cap; a domed upper end cap; a domed lower end cap; a plurality of protuberances on the front surface; a plurality of protuberances on each of the side surfaces; spiral ridges on the front surface; and a continuous protuberance on each of the side surfaces.

The invention relates to the technical field of spotlights, in particular to a spotlight antenna mounting assembly and a spotlight antenna, the spotlight antenna mounting assembly comprises two bases, and the opposite sides of the two bases are provided with connecting seats; the solar power storage mechanism is arranged above the base and is used for receiving solar energy and converting the solar energy into electric energy to be used by the device; the antenna mechanism is connected with the base and is used for transmitting and receiving signals; the buffering and supporting mechanism is mounted on one side of the connecting seat and used for buffering and damping; the storage mechanism is installed on the outer walls of the tops of the two buffer supporting mechanisms, and the storage mechanism is used for installing and fixing a spotlight antenna. The controller is used for controlling the opening degree of a piston valve of an electromagnetic valve in the damper and adjusting the flow speed of damping liquid, and self-adaptive adjustment of damping force is achieved; the vibration amplitude of the antenna mechanism and the spotlight mechanism is reduced, signal radiation direction deviation and internal circuit damage are avoided, and the signal transmission stability is improved.