93results about "Wind-induced force reduction" 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.

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 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 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.

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.

The present disclosure discloses a method, device and equipment for actively regulating antenna pointing under the influence of environmental factors, and relates to the technical field of antenna performance regulation. By pre-establishing the correspondence between the wind force information and wind field, temperature information and temperature field of the preset antenna points, after obtaining the wind force information and temperature information of the preset antenna points in the current preset period, matching is directly performed based on the correspondences, and the perception of the wind field and temperature field in the current preset period is completed in real time, and then the temperature field and wind field of the antenna at the next moment are predicted based on the second prediction model that pre-learns the evolution relationship of the wind field and the temperature field, and the antenna pointing deviation at the next moment is predicted based on the antenna pointing deviation prediction model that pre-learns the correlation between the wind field and the temperature field and the antenna pointing deviation, so as to achieve early prediction of the antenna pointing deviation, so as to actively regulate the antenna pointing, thereby the antenna can timely point to the detection target at the next moment, and improve the accuracy and performance of the antenna.

The invention discloses a thin film circularly polarized antenna, and belongs to the technical field of phased array antennas. Comprising an upper-layer radiation film antenna, a middle hollow structural member is arranged at the bottom of the upper-layer radiation film antenna in a stacked mode, and a lower-layer radiation film antenna is arranged on the side, away from the upper-layer radiation film antenna, of the middle hollow structural member. A bottom radio frequency printed board is arranged on one side, far away from the middle hollow structural member, of the lower radiation film antenna; an air dielectric layer is formed in a hollow-out area of the middle hollow-out structural member, and air is used as an antenna radiation medium; the upper-layer radiation film antenna, the middle hollow-out structural member and the lower-layer radiation film antenna are fixedly assembled into a whole in a mechanical connection mode. According to the method, the processes of exposure, development, etching, multiple pressing and the like of a conventional PCB process are omitted, the manufacturing process is greatly simplified, the manufacturing cost is greatly reduced, the method is suitable for rapid large-scale low-cost production, and compared with the conventional PCB process antenna, the method has the advantage of being not prone to breakage.

The invention relates to a base station antenna capable of reducing wind load. The base station antenna comprises an antenna housing with a front surface, a rear surface, a first side surface and a second side surface; a top end cap and a bottom end cap disposed to an upper end and a lower end of the radome to define an inner cavity; and a radiating element located within the inner cavity and configured to transmit and receive radio frequency signals wherein the front surface has a recessed profile feature at a middle section and the rear surface has a rib profile feature at a middle section.

This invention discloses a 5G communication antenna device. The device includes a mounting rod, two mounting frames movably sleeved outside the mounting rod, two sets of antenna bodies, and a guide mounting component. The two mounting frames can move simultaneously towards each other or simultaneously away from each other along the mounting rod. Each mounting frame is equipped with a set of retractable components arranged in a circular array. Each retractable component includes a fixed end fixed to the mounting frame and a telescopic end connected to an antenna body. A separable radial guide structure is formed between the guide mounting component and the telescopic ends of each retractable component. The retraction of the retractable components is achieved by the simultaneous movement of the two mounting frames towards each other and the separable radial guide structure. This allows the two sets of antenna bodies to move closer to each other along the mounting rod as the mounting frames move, while each antenna body in both sets also moves towards the mounting rod under the influence of the retracting retractable components, thus converging the two sets of antenna bodies and reducing the risk of the device tipping over due to excessive wind speed.

This application relates to the field of communication technologies, and provides an antenna, an antenna feeder system, and a base station, to provide an antenna that can balance a beamforming capability and safety. The antenna includes a first antenna array and a second antenna array. The first antenna array and the second antenna array can rotate relative to each other. Therefore, the antenna provided in this application can balance the beamforming capability and safety in different wind force conditions by reducing an antenna surface area of the antenna.

A satellite communication signal receiver disclosed by the present invention comprises a fixed base fixedly installed by using a bolt, an installation seat is fixedly installed on the upper surface of the fixed base, a first antenna and a second antenna are arranged at the upper end of the installation seat, and the first antenna and the second antenna are fixed by using a connecting rod. A receiving device used for receiving satellite signals is fixedly installed on the outer surface of the first antenna, the first antenna and the second antenna are of a parabola structure, reflection focuses are located on the receiving device, and a gap is reserved between the first antenna and the second antenna. According to the signal receiver for satellite communication, a novel structural design is adopted, the antenna structure of the device is divided into the first antenna and the second antenna, the first antenna and the second antenna are fixed through the connecting rod, airflow rapidly overflows through a gap between the first antenna and the second antenna when the front face is subjected to wind, the impact force on the whole device is reduced, and the service life of the device is prolonged. Therefore, a better wind-resistant effect is achieved, and the overall stability of the device is improved.

This disclosure relates to antenna assembly design for reducing wind load on base station antennas. The disclosure proposes an antenna assembly, comprising: a base station antenna, a radome housing the base station antenna, and an inflatable wind reduction structure configured to attach to the radome, wherein the inflatable wind reduction structure is configured to reduce a drag coefficient on the base station antenna when subjected to airflow when it is inflated.

The invention belongs to the technical field of logging while drilling, and provides a full-component minimum symmetry compensation antenna system and a logging while drilling electromagnetic wave resistivity logging method.The full-component minimum symmetry compensation antenna system comprises a drill collar body, a first transmitting antenna, a second transmitting antenna, a first receiving antenna, a second receiving antenna, a third receiving antenna and a fourth receiving antenna; the first transmitting antenna and the second transmitting antenna are obliquely orthogonal in space, and magnetic moment vectors are respectively arranged on an XZ plane and a YZ plane and form a first inclination angle with a Z axis; the first receiving antenna, the second receiving antenna, the third receiving antenna and the fourth receiving antenna are arranged in a mirror image mode along the midpoint of the first transmitting antenna and the midpoint of the second transmitting antenna, and magnetic moment vectors of the first receiving antenna and the fourth receiving antenna are arranged on the XZ plane and form a second inclination angle and a negative second inclination angle with the Z axis respectively. And the magnetic moment vectors of the second receiving antenna and the third receiving antenna are arranged on the YZ plane and respectively form a second inclination angle and a negative second inclination angle with the Z axis.

The invention discloses an integrated magnetic isolation antenna combination assembly and a production process thereof. According to the invention, the injection molding of the soft magnetic substrate is directly combined with the antenna printing process, so that a plurality of manual assembly links, such as back glue fitting and wave-absorbing material adding, required by a traditional antenna assembly are omitted, and the production period is greatly shortened. The antenna printing area with gradient thickness design further optimizes the signal transmission stability and reduces the later debugging link; according to the integrated structure design, the number of parts is reduced, the material management cost is reduced, meanwhile, the quality problem caused by dislocation or looseness of the parts in the assembling process is avoided, the product consistency is improved, the electromagnetic compatibility is optimized through direct combination of the soft magnetic material and the printed antenna, and signal interference is effectively restrained; the elastic ribs on the edge of the base body absorb mechanical vibration, and looseness or abnormal sound caused by impact of external force in the using process is reduced. And the production efficiency is further improved through the application of the automatic assembly technology.

A high-precision temperature control radar antenna array plane disclosed by the present invention comprises a radar cabin, a radio frequency module installed in the radar cabin, and an antenna unit installed outside the radar cabin, the radar cabin is internally provided with a first area, a second area, a fluid circulation path and a temperature control device, and the fluid circulation path is communicated with the first area, the second area and the temperature control device. The first fluid processed by the temperature control equipment is conveyed into the first area through the fluid circulation channel to exchange heat with the radio frequency module to form second fluid, then the second fluid is guided to enter the second area to exchange heat with the second area to form third fluid, and finally the third fluid is guided to flow back to the temperature control equipment to form circulation. The temperature control device is used for adjusting the temperature and the air volume of the fluid medium flowing through the first area, so that the environment temperature of the first area is accurately adjusted and controlled, it is ensured that the temperature field around the radio frequency module in the first area is uniform and consistent, and it is ensured that the system can meet the telecommunication requirements under various working conditions.

An integrated antenna is provided. The integrated antenna includes a reflective plate, a pair of mounting portions respectively secured to two sides of a bottom of the reflective plate, a dielectric plate, a plurality of passive antenna elements and an active antenna unit. More specifically, the dielectric plate is spaced apart from the reflective plate on the pair of mounting portions, and a first surface of the dielectric plate is provided with a frequency selection surface; the plurality of passive antenna elements are respectively arranged on the reflective plate and the frequency selection surface; the active antenna unit is arranged above a second surface of the dielectric plate and secured to the pair of mounting portions.

This application provides a wireless access device and a communication system, and relates to the field of communication device technologies, to resolve a problem of how to increase a coverage area of a high-gain antenna, improve a response speed, and enhance operation stability while ensuring a high gain of the wireless access device. The wireless access device includes a housing, a plurality of directional antennas, and a driving apparatus. The plurality of directional antennas are disposed in the housing and are distributed along a ring array, and a central axis of the ring array of the plurality of directional antennas is a first axis. Each directional antenna radiates a signal in a direction away from the first axis. Beams of the plurality of directional antennas are respectively located in a plurality of sectors, the plurality of sectors are disposed around the first axis, and vertices of the plurality of sectors are located on the first axis. The driving apparatus is disposed in the housing, and the driving apparatus is configured to drive the plurality of directional antennas to rotate relative to the housing, to respectively adjust beam directions of the plurality of directional antennas in the plurality of sectors. The wireless access device provided in this application is used for home wireless coverage.

The invention discloses a portable transportable antenna capable of being rapidly deployed. The portable transportable antenna comprises a reflecting surface assembly, a back frame assembly, a rotary table assembly and a supporting assembly. The supporting assembly is connected with the orientation rotating end of the rotary table assembly through a stand column, and the pitching rotating end of the rotary table assembly drives the back frame assembly and the reflecting surface assembly to move. The core of the device is that the supporting assembly adopts a unique quick disassembly and assembly structure: the supporting legs are quickly connected with the stand columns through ball head positioning pins and manual locking handles; a side pull rod for connecting the upright post and the supporting leg is formed by quickly screwing an upright post side pull rod and a supporting leg side pull rod through a multi-head thread joint; manual leveling devices are arranged at the bottoms of the supporting legs, and it is ensured that erecting is horizontal. The rotary table assembly integrates azimuth and pitching double-axis movement, is driven by a low-voltage direct-current servo motor, is transmitted through reducing mechanisms such as a worm gear and a worm, operates stably and can be self-locked. The reflecting surface assembly is designed in a split mode, and quick assembly is achieved through spigot positioning and quick lock catches. According to the invention, the portability, the erection speed and the operation convenience of the antenna are obviously improved, and the antenna is especially suitable for emergency communication and other occasions needing rapid deployment.

The application relates to the technical field of communication antenna installation, and discloses a device for adjusting the downward inclination angle of a communication antenna, which comprises a mounting rod, an adjusting seat, a resisting rod, a wind measuring disc and an adjusting intelligent controller, the resisting rod is vertically inserted with the mounting rod, the bottom of the resisting rod is in abutment with the top of the adjusting seat, and an electromagnet is arranged on one side of the resisting rod and mounted with the mounting rod; the middle part of the wind measuring disc is rotationally connected with the mounting rod through a transmission rod I, the lower part of the transmission rod I is connected with the middle part of a volute spring; the adjusting intelligent controller is provided with a wind speed detection module and a regulation and control module; the device can automatically detect the wind speed state, control the locking rotation state of the adjusting seat according to the wind speed, automatically lock the downward inclination angle adjusting device of the communication antenna module in a strong wind environment, reduce the influence of the strong wind on the installation stability of the communication antenna module, make the communication antenna module still keep stable in the strong wind environment, and reduce the deviation change of the downward inclination angle.

An antenna includes a first dielectric layer having a first surface and a second surface, a second dielectric layer having a third surface and a fourth surface, and a reinforcement layer disposed between the first dielectric layer and the second dielectric layer and including an insulating material. A first adhesive layer is disposed between the first dielectric layer and the reinforcement layer, and a second adhesive layer is disposed between the second dielectric layer and the reinforcement layer. A first pattern layer is disposed on a surface of the first dielectric layer facing the first adhesive layer, and a second pattern layer is disposed on a surface of the second dielectric layer facing away from the second adhesive layer. The reinforcement layer has a first cavity that penetrates an area between the first dielectric layer and the second dielectric layer.