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123 results about "Navigation light" patented technology

A navigation light, also known as a running or position light, is a source of illumination on a vessel, aircraft or spacecraft. Navigation lights give information on a craft's position, heading, and status. Their placement is mandated by international conventions or civil authorities. Navigation lights are not intended to provide illumination for the craft making the passage, only for other craft to be aware of it.

Beacon light anti-interference control method and system based on environmental perception and dynamic modulation

The invention relates to the technical field of beacon light control, in particular to a beacon light anti-interference control method and system based on environmental perception and dynamic modulation. The method comprises the following steps: extracting an ambient light reference based on adaptive weight sliding filtering; in combination with target detection and trajectory prediction, interference pre-judgment features are obtained; on the basis of an evidence theory, analyzing comprehensive interference evaluation characteristics through the ambient light reference, the interference pre-judgment characteristics and the electromagnetic interference characteristics; fusing meteorological environment perception and influence features and self health state features, and evaluating equipment operation risks; and based on modulation signal optimization characteristics, the comprehensive interference evaluation characteristics and the equipment operation risk, fuzzy control and rule reasoning are utilized to realize dynamic output of anti-interference control parameters. In order to solve the problem that the signal recognition rate is reduced due to the fact that a beacon light is easily affected by multiple factors in a complex ocean navigation channel environment, data are obtained through multi-dimensional environment perception, and dynamic modulation control is achieved after feature extraction and fusion.
Owner:XIAMEN NAVIGATION MARK OFFICE EAST CHINA SEA NAVIGATION SUPPORT CENT MINISTRY OF TRANSPORT

Marine navigation mark intelligent maintenance robot based on ship and self-adaptive operation method thereof

The invention discloses a marine navigation mark intelligent maintenance robot based on a ship and a self-adaptive operation method of the marine navigation mark intelligent maintenance robot, and belongs to the field of marine navigation mark maintenance. The marine navigation mark intelligent maintenance robot based on the ship comprises a base and a second telescopic arm, and further comprises a rotating disc rotationally connected to the end of the second telescopic arm, a driving motor is fixedly connected to the rotating disc, the output end of the driving motor is fixedly connected with a rotating shaft, and a rotating mechanism is arranged between the second telescopic arm and the rotating shaft; the second telescopic arm is used for driving the rotating disc to rotate; the sliding rails are evenly and fixedly connected to the rotating disc, clamping claws are arranged on the sides, away from the second telescopic arm, of the sliding rails, and a clamping mechanism is arranged between the sliding rails and the rotating shaft and used for driving the clamping claws to move along the sliding rails; the detection probe is fixedly connected to the turntable and is used for detecting the appearance of the beacon light and the position of the fixing bolt; the problems that when equipment on the buoy is maintained, potential safety hazards are large, the maintenance efficiency is low, and the maintenance difficulty is large can be solved.
Owner:XIAMEN NAVIGATION MARK OFFICE EAST CHINA SEA NAVIGATION SUPPORT CENT MINISTRY OF TRANSPORT

Navigation anti-collision integrated LED wingtip navigation lamp

The utility model provides a navigation anti-collision integrated light-emitting diode (LED) wingtip navigation light, which relates to the technical field of wingtip navigation lights, and comprises a main body piece, a first step is arranged on the main body piece, two sides of the first step are respectively connected with a front navigation light LED module and a rear navigation light LED module, a second step is arranged at the top of the first step, and the second step is connected with the front navigation light LED module and the rear navigation light LED module. The two sides of the second step are connected with a front anti-collision lamp LED module and a rear anti-collision lamp LED module respectively, the corner of the first step and the second step is an obtuse angle, a mounting groove is formed in the outer end of the main body piece and connected with an integrated lampshade in a matched mode, the integrated lampshade is connected with the main body piece through a lampshade pressing plate, and the lampshade pressing plate is connected with the main body piece. The technical problems that the weight of an airplane is increased, the installation space of the airplane is occupied, the installation and maintenance difficulty is increased, and meanwhile the control complexity and cost expenditure of the airplane are increased due to an existing navigation lamp and an existing anti-collision lamp which are designed in a single-function mode are solved.
Owner:Anhui Huaxia Photoelectrics Co Ltd

Positive and negative electrode switchable light modulation module

The application discloses a positive and negative switchable dimming module, which realizes different interconnection modes between output positive signals, output negative signals, MOS tube drain, MOS tube source, input power positive pole and input power ground through a dimming signal switching unit, so as to realize positive dimming and negative dimming respectively. On one hand, the application realizes safe and reliable positive dimming, and on the other hand, the application integrates positive dimming and traditional negative dimming in the same module, and shares the same voltage conversion unit, dimming control unit and pulse generation unit, so that the application can adapt to the demand of different output pin characteristics (PNP type or NPN type) of a light control module on the dimming module, has strong adaptability, is not limited in application scenarios, has no limitation on selection of output devices of a control module based on PLC, and can meet the demand of reliable, long service life and automatic dimming integrated design of a navigation light.
Owner:JIANGYIN KEJIE ELECTRIC CO LTD

A navigation light operation state data acquisition and monitoring system

PendingCN122329624AAviationData acquisition
This invention belongs to the field of aviation light detection technology, and particularly relates to an aviation light operation status data acquisition and monitoring system. It includes a fixed acquisition component, a mobile acquisition component, and a data processing component. The fixed acquisition component includes an ambient light acquisition device installed along the runway edge. The mobile acquisition component includes a UAV, a binocular image acquisition device mounted on the UAV, and a ranging device. The data processing component includes an image preprocessing unit, a target detection unit, a light intensity analysis unit, and an early warning processing unit. This aviation light operation status data acquisition and monitoring system provides a way to independently and rapidly detect and analyze the status and light intensity parameters of a large number of aviation lights without relying on the current control and management system, providing a technical foundation for establishing a lightweight and efficient aviation light detection and analysis solution.
Owner:HANGDAKANG MECHANICAL&ELECTRICAL TECH WUHAN CO LTD

A method and system for adjusting navigation lights

A navigation light adjustment method and system are disclosed, relating to the field of navigation light technology. The method involves acquiring vessel information and visibility for all vessels within a predetermined water area; determining the vessel density within the predetermined water area based on the vessel information; dividing the predetermined water area into multiple adjustment zones based on the vessel density; calculating the comprehensive navigation condition value for each vessel within each adjustment zone based on the visibility and vessel density; obtaining the navigation routes for each vessel within each adjustment zone; and adjusting the parameters of the navigation lights for each vessel within each adjustment zone based on the navigation routes and the comprehensive navigation condition value. Implementing the technical solution of this application allows for analysis of the surrounding navigation environment and timely adjustment of navigation lights, thereby reducing the probability of vessel collisions.
Owner:WAROM TECHNOLOGY INCORPORATED COMPANY

Embedded aid-to-navigation lamp dismounting vehicle

The utility model relates to a dismounting vehicle for an embedded aid-to-navigation lamp. The structure comprises a frame, a support arranged on the frame, a telescopic driving piece arranged on the support, a lifting frame arranged at the upper end of a piston rod of the telescopic driving piece, a supporting rod arranged at the lower end of the lifting frame and a lamp panel locking fixator arranged on the supporting rod in a sleeving mode. The lifting frame comprises a connecting plate, lifting rods and hanging rings, the connecting plate is connected to a piston rod of the telescopic driving part, the lower sides of the front end and the rear end of the connecting plate are each provided with one lifting rod, and the lower ends of the lifting rods are each connected with one hanging ring. The embedded aid-to-navigation lamp can be quickly and effectively pulled out from the ground base, the disassembly time is greatly shortened, the time cost is reduced, and the disassembly efficiency is improved. The navigational lamp dismounting device is easy to operate, the navigational lamp can be dismounted by only one person, and the labor cost is reduced.
Owner:HEBEI AIRPORT MANAGEMENT GROUP CO LTD

Mounting base of ship navigation lamp

The utility model relates to the technical field of navigation lamp mounting bases, in particular to a mounting base of a ship navigation lamp, which comprises a base main body, a supporting mechanism is arranged on one side of the base main body, a mounting mechanism convenient for fixing and supporting is arranged on one side of the base main body, and two movable grooves are formed in one side of the base main body in a penetrating manner. The two movable clamping plates are slidably connected to one side of the base body, and the limiting sliding plates are fixedly connected to one ends of the movable clamping plates. According to the mounting base of the ship navigation light, a movable clamping plate and a limiting sliding plate are slidably connected into a movable groove formed in the base body, and a locking rod is inserted into a side groove formed in the limiting sliding plate; the inclined planes of the first inclined plane clamping block and the second inclined plane clamping block which are sleeved on the locking rod are in contact with the outer sides of the two groups of movable clamping plates, and meanwhile, one end of the locking rod is connected with a second fixing nut, so that the distance between the two groups of movable clamping plates is conveniently adjusted, and the base main body is fixed on handrails with different sizes.
Owner:CHANGHONG RIVER ESTUARY COASTAL ENGINEERING TECHNOLOGY (SHANGHAI) CO LTD

Method and system for detecting and compensating light decay of navigation signal lamp

The invention discloses a method and system for detecting and compensating light decay of a navigation signal lamp, and relates to the technical field of navigation signal lamps and control of the navigation signal lamps, and the system comprises a photosensitive sensor module, an LED driving module and a navigation signal lamp control device. The photosensitive sensor module is used for detecting the illumination intensity of the navigation signal lamp and the scattered light intensity of the light of the signal lamp at different angles, the LED driving module is used for driving the LED lamp string to emit light, and the navigation signal lamp control device is used for carrying out light attenuation detection according to the illumination intensity and the scattered light intensity at different measurement angles. The driving current of the LED driving module is increased by adjusting the duty ratio of the PWM signal, so that light attenuation compensation is carried out on the LED lamp string, and the visibility of the navigation signal lamp is maintained; according to the technical scheme, light attenuation compensation of the photosensitive sensor module can be realized, so that the navigation signal lamp maintains constant brightness in different light attenuation stages or in an extreme environment, and the stability and reliability of the brightness of the navigation signal lamp are ensured.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

A non-powered wind turbine power generation and energy storage device suitable for offshore platforms

The present invention relates to a non-powered wind turbine power generation and energy storage device suitable for offshore platforms, comprising a base and a non-powered wind hood disposed at the top of the base and rotatably connected to the base; a connecting shaft is disposed in the middle portion of the inner cavity of the non-powered wind hood, the connecting shaft being fixedly connected to the non-powered wind hood and rotating synchronously with it; a vertical generator is disposed on the upper portion of the connecting shaft and a disk generator is disposed on the lower portion of the connecting shaft, and the two generators are driven to generate electricity through the rotation of the connecting shaft; a battery and a voltage regulator are disposed in the inner cavity of the base, the vertical generator and the disk generator are respectively connected to the voltage regulator, and after voltage stabilization by the voltage regulator, the output current directly supplies power to the equipment on the platform; the battery is connected to the voltage regulator to store excess electrical energy in the battery. The present invention can be installed on an offshore marine platform to achieve power generation efficiency close to that of a lift-type wind turbine, and can supply power to equipment on the marine platform, such as solar navigation lights, and the device has a simple structure and low cost.
Owner:WUHAN UNIV OF TECH

Adaptive rotary wing air vehicle navigation light system

An adaptive navigation light system is provided for a rotary wing air vehicle having at least a main body and a plurality of arms, where the main body includes a front end and a tail end disposed opposite the front end, and each arm of the plurality of arms extends from the main body. The adaptive navigation light system includes a plurality of circular light arrays and a processing system. Each circular light array is operable to emit light of a plurality of different colors, and each circular light array includes a plurality of individual light sources. The processing system is configured to track error data to determine which one of the different colors each circular light array should emit, determine which of the individual light sources in each in each circular light array should be energized, and energize the individual light sources that are determined should be energized.
Owner:HONEYWELL INTERNATIONAL INC

Port navigation lighting device

The utility model relates to a port navigation lighting device, and relates to the technical field of navigation lighting. The port navigation lighting device comprises a protection box, a lighting lamp and a lifting mechanism, the lighting lamp is arranged at the top of the lifting mechanism, the lifting mechanism is located in the protection box, the protection box comprises a box body and a partition plate, the side face of the box body is provided with an insertion groove allowing the partition plate to be inserted, and the top of the box body is provided with an open hole allowing the lighting lamp to stretch out of the box body. And the partition plate inserted into the slot can seal the open hole. According to the port navigation lighting device, the lifting mechanism can enable the lighting lamp to move up and down, so that the lighting lamp extends out of the opening in the top of the box body during operation and retracts into the box body when not in use, the partition plate is inserted into the inserting groove in the box body to seal the opening, dust attached to the surface of the lighting lamp is reduced, and the service life of the lighting lamp is prolonged. And the use effect of the illuminating lamp is ensured.
Owner:GUONENG ZHUHAI PORT CO LTD

Power line communication synchronizer for airport navigation aid lamp

The utility model relates to the technical field of airport aid-to-navigation lamp communication, and mainly relates to an airport aid-to-navigation lamp power line communication synchronizer, which comprises an aid-to-navigation lamp, the aid-to-navigation lamp comprises an aid-to-navigation lamp body and a control box, and a control module, a communication module, a synchronization module and an analysis module are fixedly installed in the control box. The control module is electrically connected with the communication module, the synchronization module and the analysis module; the communication module is used for realizing connection between a main control center of the navigation aid lamp and the navigation aid lamp so as to receive control data of the main control center; the synchronization module processes the control data to obtain peak data; the local correlation unit is used for processing the peak data to obtain frame header data; the analysis module is used for processing the frame header data and the control data to form a control instruction; the control module is used for controlling the navigation aid lamp body according to the control instruction. The method has the advantages that the frame header position in the control data of the main control center is accurately positioned, so that the effect of communication synchronization between each navigation aid lamp and the main control center is ensured.
Owner:AIRSAFE AIRPORT EQUIP CO LTD

LED navigation light

1. The name of the design product: LED navigation light. 2. The use of the design product: The design product is used for lighting lamps, with the purpose of navigation aid. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Owner:济宁市港航事业发展中心

Navigation mark device

The invention discloses a navigation mark device, relates to the technical field of navigation marks, and mainly aims to enable light emitted by a navigation mark lamp to be conveniently observed by passing ships, so that the warning effect of the navigation mark lamp is improved, and the navigation channel safety is improved. According to the main technical scheme, the navigation mark device comprises a first shell, a navigation mark light, an anti-swing assembly, a floating body and an anchoring assembly; the anti-swing assembly is arranged in the first shell and comprises a supporting shaft, a universal connecting piece and a balance weight piece, the supporting shaft is connected with the first shell through the universal connecting piece and rotates relative to the first shell through the universal connecting piece, one end of the supporting shaft penetrates out of the first shell to be connected with the beacon light, and the other end of the supporting shaft is connected with the balance weight piece. The counterweight piece is used for keeping the supporting shaft in a vertical state; the floating body is arranged on the first shell and used for providing buoyancy support for the first shell; the anchoring assembly is arranged on the first shell and used for limiting the first shell to a designated water area position.
Owner:GUOHUA ENERGY INVESTMENT +1

Quickly-mounted navigation aid lamp for mobile parking apron

The utility model provides a fast-assembly type navigation aid lamp for a mobile parking apron, and belongs to the technical field of navigation aid illumination. The LED navigation aid lamp comprises an installation shell and an installation sealing cover plate detachably arranged at the upper end of the installation shell, an installation base is arranged at the bottom end of the installation shell, an LED navigation aid lamp set is arranged at the upper end of the installation sealing cover plate, and a power supply module electrically connected with the LED navigation aid lamp set is arranged in the installation shell. A manual control switch electrically connected with the LED aid-to-navigation lamp group is arranged on the mounting shell, and the power supply module is connected with the mounting shell through a quick disassembly and assembly structure. Multi-step instrumentalization operation needed by disassembly and assembly of a traditional power supply module is simplified into single-action bare-handed operation, rapid disassembly and assembly of the power supply module can be achieved, the disassembly and assembly efficiency of the power supply module is effectively improved, disassembly and assembly operation is convenient and fast, and the power supply module disassembly and assembly tool is particularly suitable for emergency repair or wartime rapid guarantee scenes.
Owner:ZHEJIANG SHENGXIANG MACHINERY +1

Portable tool box for airport navigational light maintenance

The utility model discloses a portable toolbox for airport navigational light maintenance, which belongs to the technical field of airport navigational light maintenance and comprises a box body and a box cover, the lower surface of the box body is fixedly connected with a base, and a push rod is slidably arranged in the box body; the box cover is hinged to the upper surface of the box body; the fixing blocks are fixedly connected to the front side of the box body, and the fixing blocks are symmetrically distributed about the center of the box body; and the connecting plate is fixedly connected to the surface of the box cover. According to the portable tool box for airport navigational light maintenance, in the using process, when a worker needs to change positions, the box cover can be directly rotated, when the box cover rotates, a connecting plate is driven to rotate synchronously, when the connecting plate rotates to make contact with a pressing block, the pressing block can be pushed by the connecting plate, and when the box cover rotates to be in a horizontal state, the box cover is driven to rotate synchronously. The pressing block can rotate to the original position under the action of the torsion spring, and then the pressing block can press the connecting plate, so that the box cover is closed.
Owner:GUANGZHOU BAIYUN INT AIRPORT CONSTR & DEV +1

Approach lamp angle gauge support

The utility model discloses an approach lamp angle gauge support which comprises a vertical plane and a horizontal plane. The vertical plane and the horizontal plane are integrally formed through an injection molding or 3D printing process, and a fillet structure is arranged at the joint; a mounting through hole is formed in the vertical plane, and a clamping groove is integrally formed in the horizontal plane. The bracket is fixed on the lamp for a long time, so that the angle gauge can be quickly assembled and disassembled, the problems that the traditional bracket is complicated to assemble and disassemble and low in efficiency are effectively solved, and the maintenance efficiency of the airport navigational lighting system is obviously improved.
Owner:DALIAN INT AIRPORT GRP CO LTD

A method, system and storage medium for detecting dirt on the light outlet of a navigation light fixture

This application relates to the field of navigational lighting, and more particularly to a method, system, and storage medium for detecting contamination at the light outlet of a navigational lighting fixture. The method comprises real-time visual capture of the light outlet surface of the navigational lighting fixture to obtain visual data; determining contamination data by comparing the visual data with preset visual threshold data; and comparing the contamination data with preset contamination threshold data. If the contamination data exceeds the threshold data, a corresponding alarm or indication is generated to a worker. This application improves maintenance efficiency.
Owner:AIRSAFE AIRPORT EQUIP CO LTD

Unmanned aerial vehicle night navigation lamp convenient to install

The utility model discloses an unmanned aerial vehicle night navigation lamp convenient to install, which belongs to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle main body, four uniformly distributed fan blades are arranged at the outer end of the unmanned aerial vehicle main body, four uniformly distributed foot stools are fixedly connected to the bottom end of the unmanned aerial vehicle main body, and each foot stool comprises a connecting rod fixedly connected with the unmanned aerial vehicle main body. The outer end of the connecting rod is fixedly connected with a fixed ring, the outer end of the connecting rod is slidably connected with a movable ring, the movable ring is located on the lower side of the fixed ring, an installation base is arranged between the fixed ring and the movable ring and located on the outer side of the connecting rod, and a night navigation lamp is installed at the end, away from the connecting rod, of the installation base. Threaded holes are formed in the upper ends of the two connecting plates, threaded rods are in threaded connection with the interiors of the threaded holes, and limiting rods are arranged between the fixed ring and the movable ring, so that the night navigation lamp can be quickly mounted and dismounted, the operation is simple, and the working efficiency of technicians is improved.
Owner:GUANGDONG WANKUI TECH CO LTD

Multifunctional beacon light

The utility model relates to the technical field of beacon lights, in particular to a multifunctional beacon light which comprises a floating body and the like, the floating body serves as a main body bearing structure of a light buoy and is used for providing buoyancy and stabilizing the position of the whole beacon light on the water surface, the upper end of the floating body is fixedly connected with a tower bottom, and the tower bottom serves as a transition part for connecting the floating body and an upper structure. The cover plate serves as a platform foundation for personnel operation and staying, the tower body is fixedly connected to the center of the upper end of the cover plate, the tower body serves as a vertical supporting structure, a ladder stand is installed on the periphery of the tower body, the upper end of the tower body is fixedly connected with a top disc, a large lampshade is fixedly arranged on the top disc, a guide rail is arranged close to the large lampshade, and a small lampshade is slidably connected to the guide rail. By arranging the lampshade capable of being opened in a rotating mode, a maintainer can easily reach the position of the beacon light and operate the beacon light, and the maintenance and replacement process of the beacon light is greatly simplified.
Owner:张炜

Beacon light anti-collision warning device and control method thereof

The invention relates to a beacon light anti-collision warning device and a control method thereof.The device comprises a beacon light structure arranged on the sea surface, the beacon light structure comprises a beacon light body, a beacon light and a beacon light platform, a circular ring support is arranged on the outer side of the beacon light platform, a ranging radar is arranged on the circular ring support, the circular ring support is connected with the beacon light body, and the beacon light body is connected with the ranging radar; a buzzer, an AIS module and a solar power supply module are arranged in the beacon light body. Compared with the prior art, the method has the advantages of preventing seawater from influencing the work of the marine radar sensor and the like.
Owner:HUANENG POWER INTERNATIONAL INC SHANGHAI SHIDONGKOU FIRST POWER PLANT

Navigation signal lamp light shield

The invention discloses a navigation signal lamp light shield, and relates to the technical field of navigation signal lamps, the navigation signal lamp light shield comprises a cylinder, through an adjusting assembly and a sealing assembly, when a signal lamp body is cooled, a micro motor is started, and an embedded plate is driven through transmission of a rotating shaft, a limiting rod and a lifting column, so that a rotating plate rotates in a groove; when heat dissipation is not needed at the low temperature on the sea, the micro motor is started again to rotate reversely, the rotating plate rotates reversely through the same transmission, the ventilation opening and the heat dissipation opening do not coincide, the barrel is closed to prevent water vapor from entering, and after closing is completed, the electric push rod is started to contract, the embedded plate is moved from the rotating plate embedded groove to the rotating plate embedded groove, and heat dissipation is achieved. And after the embedded plate is embedded, the micro motor is started again, the rotating plate is rotated through transmission, the limiting rod and the moving block are driven to move, the transparent arc-shaped plate is gathered into a circle to wrap heat, low-temperature shrinkage embrittlement of the signal lamp material is prevented, and the risk of structural breakage is reduced.
Owner:HANGZHOU SHIREISEN OPTOELECTRONIC ENG CO LTD

Airport aid-to-navigation light loop troubleshooting training simulator

The invention relates to the technical field of airport aid-to-navigation light, and particularly discloses an airport aid-to-navigation light loop troubleshooting training simulator, which is characterized in that a simulation loop main body structure adopts a plurality of switch panel modules which are connected in series; the switch panel modules are connected with the CCR output terminals, and each switch panel module is composed of a plurality of lamp position nodes connected in series and a double-station switch connected with the lamp position nodes; the fault setting switch panel module is composed of a plurality of three-position switches, and each three-position switch is connected in series in a node terminal of a lamp position node; the lamp tube node station module is composed of a plurality of lamp tubes, and the lamp tubes are connected with the double-station switches. According to the training simulator provided by the invention, through cooperative work of the plurality of switch panel modules connected in series, the fault setting switch panel module and the lamp tube node station module, various operation conditions and fault conditions of an airport navigational light loop can be truly simulated, including faults such as short circuit, open circuit and grounding, and the training effect of the airport navigational light loop is improved. And a comprehensive troubleshooting training environment is provided for technicians.
Owner:赵吉佳

A multi-functional charging loading box

This utility model relates to a multifunctional charging loading box, belonging to the technical field of charging loading equipment. It includes a charging box body, with a support plate fixedly connected inside. The support plate has several mold slots, arranged in equal proportions. Each mold slot houses a portable navigation light, and a charging connector is fixedly connected to the outside of the portable navigation light. The beneficial effect of this utility model is that when the portable navigation light is inserted into a mold slot, its own weight causes the charging connector to insert into the corresponding magnetic charging interface. The magnetic charging interface then moves the connector to the optimal contact position. At this point, a pressure sensor detects a certain pressure, and a control switch controls the battery pack to supply power to the corresponding portable navigation light, making charging more convenient.
Owner:深圳安航科技有限公司

A navigational lighting device

ActiveCN224284344UImprove light efficiency utilizationTo achieve the effect of recyclingLighting applicationsElectric circuit arrangementsEngineeringDiffraction optics
This application relates to the field of airport navigation aids technology, and more particularly to a navigation lighting device, including a lamp housing assembly, a composite optical assembly, and a power supply assembly. The lamp housing assembly includes a lampshade and a lamp tube. The lampshade is connected to the top of the lamp tube via a connecting plate. The lampshade has a first chamber, in which the composite optical assembly is disposed. A second chamber is formed inside the lamp tube, and the power supply assembly is disposed inside the second chamber. The composite optical assembly includes a light source, a spherical mirror, a reflector, and a diffractive optical element. The light source is connected to the connecting plate. The spherical mirror is a convex mirror, with its convex end facing the light source. The reflector has a through-type frustum design, with one end facing the spherical mirror and the other end connected to the diffractive optical element. The surface of the diffractive optical element is circular, and the diffractive optical element abuts against the light outlet of the lampshade. This application has the ability to improve the luminous efficiency of LEDs.
Owner:深圳安航科技有限公司

An anchor buoy including a common mounting base for a radar reflector and a navigation light

The present invention discloses a radar reflector and navigation light mounting base and an anchor buoy, comprising: a buoy; a base body, the base body being fixedly connected to the top of the buoy, the base body comprising a top panel, two side panels, an arc-shaped bottom plate and an intermediate reinforcing rib plate, the bottom end of the arc-shaped bottom plate being fixedly connected to the top of the buoy, two side panels being fixedly connected to both sides of the top of the arc-shaped bottom plate, and the two side panels being arranged in parallel, two intermediate reinforcing rib plates being fixedly connected to the top plate surface of the arc-shaped bottom plate, the intermediate reinforcing rib plates being arranged perpendicular to the two side panels, the top panel being fixedly connected to the two side panels and the top of the intermediate reinforcing rib plate; a bolt mounting assembly, the bolt mounting assembly being arranged on the top panel surface; and a support rod mounting assembly, the support rod mounting assembly being arranged between the two intermediate reinforcing rib plates. The present invention solves the problem of installing a radar reflector or navigation light on an anchor buoy, as well as the problem of adapting the mounting base to bolt-fixed installation and support rod-fixed installation.
Owner:OFFSHORE OIL ENG CO LTD

Novel moisture-proof navigation mark

The utility model relates to the technical field of navigation mark lights, and discloses a novel moisture-proof navigation mark which comprises a floating plate, a support and a pedestal, the support is assembled at the top of the floating plate, the pedestal is assembled at the upper end of the support, signal lamp sets are assembled outside the pedestal respectively, curved grooves are formed in the two ends of the inner side of the pedestal respectively, and the curved grooves are matched with the signal lamp sets. A curved groove is formed in the pedestal, a clamping block is slidably connected into the curved groove and connected with the support, a piston rod is slidably connected into the curved groove, a hose and an air bag are embedded into the two sides of the interior of the curved groove respectively, one end of the air bag communicates with the top of the inner side of the pedestal, and the other end of the air bag communicates with the air bag. According to the novel damp-proof navigation mark, through the additionally-arranged piston rod, hose and air bag, when the support and the pedestal are assembled, the sealing performance between the support and the pedestal is automatically improved, and it is avoided that normal connection between the pedestal and the support is affected by moisture, and consequently disassembly and maintenance are inconvenient.
Owner:石强

Airport navigational light secondary cable laying method based on seam line inserting

The invention discloses an airport navigation-aid light secondary cable laying method based on joint line inserting, and relates to the technical field of airport pavement navigation-aid light construction. Comprising the following steps: S1, selecting a secondary cable laying path: determining a nearest seam as the secondary cable laying path according to a navigation-aid light mounting position and a light box connecting position; s2, the joints and the pavement slabs are treated, specifically, the joints on the selected paths are subjected to joint expansion treatment; an existing pavement joint is preferentially utilized and expanded to serve as a cable channel, only necessary and short local saw joints are formed in the position where a lamp is connected, the risk of damage to a pavement structure is reduced, the hidden danger of damage caused by a small-size pavement slab under the load of an airplane is avoided, meanwhile, expensive special drilling equipment does not need to be input, and the cost is reduced. The thickness of grouting repair is small, a sealing material can also be commonly used with an existing pavement joint maintenance material, the material consumption and the cost are effectively saved, the cost is lower, and construction is convenient.
Owner:CHINA CONSTR FIRST DIV GROUP CONSTR & DEV

A layered structure isolation transformer box

This utility model relates to the field of isolation transformer boxes, specifically disclosing a layered isolation transformer box, comprising: a box body, which is a circular barrel; a box cover, which is a circular cover and snaps into the box body; a fixing frame, which is disposed inside the box body and is fixedly connected to the box body; and a sliding frame, which is disposed inside the box body and is slidably connected to the fixing frame, and the sliding frame can slide up and down. This utility model's layered isolation transformer box allows for the centralized installation of multiple isolation transformers to power navigation lights, reducing the number of isolation transformer boxes and the amount of installation work for primary cables and isolation transformer boxes, thus lowering project costs. Simultaneously, the sliding frame allows for quick installation and removal of isolation transformers, and the box cover is snap-fitted to the box body, allowing for opening without special tools, facilitating installation and maintenance.
Owner:BEIJING JINGHANGAN AIRPORT ENG CO LTD +1