41 results about "Shark finning" patented technology

The invention discloses a shark fin intelligent antenna, and relates to the technical field of automobile antennas. The shark fin intelligent antenna comprises a shark fin shell and a base; the shark fin shell and the base form a shark fin type inner cavity, the inner cavity is internally provided with an LAN mainboard, the LAN mainboard is fixed on the base, the LAN main board is provided with a 5G main antenna, a 5G auxiliary antenna, a 5G-MIMO 1 antenna, a 5G-MIMO2 antenna, a GNSS antenna, a V2X-F antenna, a V2X-R antenna and a WIFI antenna. According to the shark fin type antenna, the eight antennas are arranged in total, through reasonable layout, the inner cavity space of the shark fin type antenna and different working frequency bands of the eight antennas are fully utilized, the physical distance among the eight antennas is increased, space coupling and surface wave coupling among the eight antennas are reduced, and the isolation degree among the antennas is good.

A multi-view imaging system for a vehicle includes a housing fixedly secured external to the vehicle and an extendable camera configured to image a side and / or rear from the vehicle and to extend from and retract into the housing. The multi-view imaging system further includes an actuator configured to urge the extendable camera out of and into the housing.

Disclosed is a shark fin antenna for a vehicle. The shark fin antenna has a pad and a base disposed on the pad to provide a space for a printed circuit board and a plurality of antenna components. The shark fin antenna includes a holder having a groove therein for exposing at least a portion of an upper surface of a printed circuit board, a first antenna unit supported by the holder and having an antenna pattern formed on a surface thereof to receive an AM / FM frequency band signal, a first auxiliary unit covering at least a portion of an upper surface of the first antenna unit, and a spring mounted in the groove to elastically support the first auxiliary unit and the first antenna unit in a vertical direction of the upper surface of the printed circuit board.

The invention discloses a novel low-profile high-gain vehicle-mounted antenna. The vehicle-mounted antenna comprises a metal layer, a matching circuit and an automobile metal shell, wherein an annularnotch is formed in the top edge of the metal layer; the length of the inner ring of the annular notch determines the center frequency of the working frequency interval of the antenna; the metal layeris connected with a signal source after passing through the matching circuit; and the metal layer and the matching circuit are mounted at the top part of the automobile metal shell, so that radiationand collection of signals can be realized by fully utilizing the metal shell. Compared with a traditional shark fin antenna and a glass antenna, the novel low-profile high-gain vehicle-mounted antenna is low in profile, capable of fully utilizing the automobile body as the bottom of the antenna, and higher in gain; the working frequency of the antenna can be adjusted in a large range through a tuning circuit and is not influenced by the structure of the vehicle body, so that the antenna has the advantages of being convenient to install and wide in application range, and can be used for replacing various existing vehicle-mounted communication antennas.

The invention provides a vehicle roof rear cross beam section structure, a vehicle and an analysis method for improving a section coefficient of the vehicle roof rear cross beam section structure. Thevehicle roof rear cross beam section structure comprises a rear cross beam upper plate and a rear cross beam lower plate, of which two ends are fixedly connected and then buckled in one body; the rear cross beam lower plate comprises a top cross plate body, a vertical plate body, a bottom cross plate body and a connecting plate body which are fixedly connected in sequence, wherein the top cross plate body and the bottom cross plate body are arranged in the length direction of the vehicle, and a shark fin antenna wire harness arrangement groove located in the outer side of the vertical plate body is formed below the top cross plate body. According to the vehicle roof rear cross beam section structure, the shark fin antenna wire harness arrangement groove similar to a right angle is formedin the rear cross beam lower plate; therefore, the arrangement space can be provided for the shark fin antenna wire harness, the interference of the shark fin antenna wire harness on the installationof a shark fin antenna installation bolt can be avoided, the smooth installation of the shark fin antenna installation bolt can be facilitated, and the practicability of the structure is very good.

The invention relates to a rock-soil interlayer dislocation detection device which effectively solves the problem that an existing stratum movement detection device is incomplete in function. According to the technical scheme, the device comprises an outer pipe, wherein the outer pipe is formed by connecting a plurality of pipe sections; the pipe sections are rotatably connected; each pipe sectionis internally provided with a rotating shaft coaxial with the pipe section; the plurality of rotating shafts corresponding to the plurality of pipe sections are sleeved together in an inner-outer manner; the multiple layers of rotating shafts can rotate relatively; the pipe sections can rotate to drive the rotating shafts corresponding to the pipe sections to rotate; a plurality of fins which arecircumferentially and evenly distributed are fixed to the outer wall of each pipe section; the fins are shark fin-shaped, the blade portions of the fins face the clockwise side, and the anticlockwiseside of each fin is a plane perpendicular to the pipe wall; a rock-soil layer on the outer side of each pipe section can push the corresponding pipe section to rotate clockwise when moving in any direction; multiple groups of signal transmitters are arranged at the upper end of the outer pipe; and the signal transmitters can transmit signals after the pipe sections drive the rotating shafts to rotate by a preset angle. According to the invention, various forms of geological motions can be effectively monitored, so that geological disasters can be effectively prevented.

The invention relates to a detection device for movement between rock and soil layers, which effectively solves the problem of the imperfect function of the current detection device for formation movement; The pipe joints are rotatably connected, and each pipe joint is provided with a coaxial rotating shaft, and multiple rotating shafts corresponding to multiple pipe joints are set inside and outside together, and the multi-layer rotating shafts can rotate relative to each other, and the pipe joints can rotate Drive the corresponding rotating shaft to rotate, and the outer wall of each pipe joint is fixed with a plurality of fins evenly distributed around the circumference. The fins are in the shape of shark fins and the blade faces clockwise. The wall is vertical to the plane, and the movement of the rock and soil layer outside the pipe joint in any direction will push the pipe joint to rotate clockwise; there are multiple sets of signal transmitters at the upper end of the outer tube, and the signal transmitter can transmit signals after the pipe joint drives the rotating shaft to rotate at a preset angle; The invention can effectively monitor various geological movements, so as to effectively prevent geological disasters.

The invention provides a vehicle parking ventilation system, which includes an air inlet device and an air outlet device. The air inlet device includes a fan installed at the left and right positions of the handle of the license plate light assembly panel and a fan motor that drives the fan. The system, through the rotation of the fan at the license plate light position, the air intake and the exhaust ventilation and the structure of the shark fin position on the roof, form the air convection inside and outside the car, which can ventilate the car and effectively improve and reduce the temperature inside the car after parking, making the driving and riding The vehicle is protected from high temperature scorching and smoking when getting on the car again; cooling can avoid high temperature fumigation and roasting, which will damage various placed items in the car and reduce the existing safety hazards, slow down the aging of internal parts and internal interior decoration objects, and improve the service life. . When parking, the system does not occupy the power supply of the car battery, and will not cause the car battery to run out of power and lose power.

A spinning forming device with a bionic drag-reducing surface fairing, including a blank, the blank is fixed on a jig and the forming part of the blank is exposed outside the jig, the jig rotates in a circumferential direction with the main shaft, and the roller is a circle Disc-shaped, the outer circumference of the roller is evenly provided with a plurality of filling roller grooves extending radially inward, the roller is connected with an external power device, and the external power device can control the roller to feed at a certain speed and axis The feed rate in the direction makes the roller fully squeeze the blank so that its diameter is continuously reduced and leaves regularly arranged shark-fin-like streamlined protrusions on the outer surface of the blank forming part. The outer surface of the fairing processed by this device is Equipped with shark fin-like streamlined protrusions, which can better reduce wind resistance and lower cost.