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25results about How to "Achieve distribution" patented technology

Ion energy distribution testing device for immersed plasma injection equipment

The invention provides an ion energy distribution testing device for immersed plasma injection equipment. The ion energy distribution testing device comprises a Faraday cup, a biasing circuit, a data acquisition unit and an upper computer, the Faraday cup is arranged around the wafer and configured to collect plasma energy around the wafer, and the plasma energy is converted into a current signal at a collector of the Faraday cup; the bias circuit is configured to apply bias voltage to the grid mesh of the Faraday cup under the enabling of the data acquisition unit; and the data acquisition unit is configured to drive the biasing circuit, acquire a current signal of the collector of the Faraday cup and a voltage signal of the grid, and upload the current signal and the voltage signal to an upper computer. According to the invention, through the design of the Faraday cups and the bias circuit, the whole measuring device can realize ion energy distribution measurement under high voltage, and the distribution condition and uniformity of ion energy around the wafer can be tested in cooperation with the arrangement of the plurality of Faraday cups.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI LTD

Antenna module, laminated assembly and vehicle

ActiveCN119651177Aavoid reflective effectsRealize omnidirectional radiationSimultaneous aerial operationsAntenna adaptation in movable bodiesPlanar substrateDipole antenna
The invention relates to an antenna module, a laminated assembly and a vehicle, currents on two feed branches of a dipole antenna in the antenna module go in and out respectively, so that the currents on the two feed branches of the same dipole antenna are in the same phase, and the currents on two radiation branches are in the same direction and in the same phase. The currents on the radiation branches of the plurality of dipole antennas are in the same phase and are transmitted along the same direction, an annularly distributed radiation branch is constructed, and when an excitation signal is accessed to the feed port, a current loop is formed on the plurality of radiation branches so as to support an annular current resonance mode at a target frequency band. The planar antenna can be arranged on any non-conductor planar substrate, when the antenna module is applied to a vehicle, metal arrangement such as a vehicle bumper can be avoided, a single antenna module can support omnidirectional radiation of a target frequency band, the number of the antenna modules is reduced, and the antenna cost is reduced.
Owner:FUYAO GLASS IND GROUP CO LTD

Electric vehicle battery cooling device

ActiveCN222562764UAchieve continuous coolingachieve distributionSecondary cellsElectric-vehicle batteryElectrical battery
An electric vehicle battery cooling device effectively solves the problem that an existing cooling mode of an electric vehicle battery is poor in cooling effect. Comprising a battery bin with an upward opening, a battery is placed in the battery bin, a rectangular containing groove is formed in the lower side in the battery bin, an annular cooling groove is formed in the battery bin, a piston cylinder with a backward opening is arranged on the right side in the containing groove in the front-back axial direction, and a piston plate capable of moving front and back is coaxially arranged in the piston cylinder; bent cooling pipes are arranged at the left end and the right end of the front side of the piston cylinder respectively, a plurality of heat dissipation fins evenly distributed in the front-back direction are arranged on the cooling pipes, liquid suction pipes inserted into the cooling grooves are arranged at the left ends of the cooling pipes, and liquid outlet pipes inserted into the cooling grooves are arranged at the right ends of the cooling pipes; the device is simple in structure, novel in conception, convenient to use and high in practicability.
Owner:广州炎山科技有限公司

Preparation method of graphene / copper-based composite material

The invention relates to a preparation method of a graphene / copper-based composite material. Through a plasma-assisted ball milling method, nano graphite powder is stripped into graphene in situ and compounded with copper powder; and the ball milling parameters are adjusted, the content of introduced oxygen-containing groups is regulated and controlled, the structural integrity and intrinsic performance of the graphene in the compounding process are effectively controlled, and uniform dispersion of the graphene in a copper matrix and improvement of the bonding strength of a composite interface are achieved. Compared with traditional high-energy ball milling, graphene dispersion is more uniform, the interface bonding strength is higher, and the prepared material is more excellent in performance; the process is simple, the preparation cost of the graphene is greatly reduced, the problems of uniform dispersion of the graphene and interface bonding with the copper matrix are effectively solved, and the method is suitable for macro-scale preparation of the high-performance graphene / copper-based composite material.
Owner:SHANGHAI JIAOTONG UNIV

Bus duct with heat dissipation structure

The utility model discloses a bus duct with a heat dissipation structure, which relates to the technical field of bus ducts and comprises a bus duct main body, mounting sheets are fixedly mounted on two sides of the top of the bus duct main body, heat absorption plates are mounted in the mounting sheets, and two PE bus bars penetrating through the heat absorption plates are arranged in the middle of the bus duct main body. Heat conducting plates are fixedly connected to the two sides of the bottom of the heat absorbing plate, and heat conducting mechanisms are arranged on one sides of the heat conducting plates; the heat conduction mechanism comprises two heat conduction pieces, a plurality of heat conduction thin pipes and a heat collection block. The two heat conduction pieces are fixedly connected to the two ends of one side of the heat conduction plate. According to the technical scheme provided by the utility model, heat generated in the bus duct can be effectively dissipated, and potential safety hazards caused by over-high temperature of a traditional bus duct are avoided. And meanwhile, the heat dissipation path of the product is optimized, so that the heat dissipation is more uniform, and the heat dissipation performance of the product is further improved.
Owner:SICHUAN DURHAM AUTOMATION EQUIPMENT CO LTD

Container mirror image acquisition method and device, equipment, medium and program product

The invention provides a container mirror image acquisition method which can be applied to the technical field of cloud computing. The container mirror image acquisition method comprises the following steps: in response to a cluster task creation instruction, acquiring target mirror image information required for creating a task; traversing a first node according to the target mirror image information to obtain a target mirror image; if it is determined that the target mirror image does not exist in the first node, a second node with the target mirror image is determined through a node mirror image warehouse daemon process service, and the node mirror image warehouse daemon process service is used for synchronization of container mirror images between cluster nodes; the first node is a local node, the second node is one or more nodes with the same node label as the first node, and the password-free login protocol is configured between the nodes with the same node label in advance. The invention further provides a container mirror image acquisition device and equipment, a storage medium and a program product.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Multi-position unmanned aerial vehicle parking system

The utility model discloses a multi-station unmanned aerial vehicle parking system which comprises a plurality of cabin storage platforms arranged at equal intervals in the vertical direction, each cabin storage platform is provided with a plurality of cabin placing frames, unmanned aerial vehicle cabins are placed on the cabin placing frames, and one side of each cabin storage platform is provided with a lifting device. The lifting device can drive the unmanned aerial vehicle cabin to move in the vertical direction and move to the corresponding cabin storage platform. According to the unmanned aerial vehicle parking system, the multiple cabin storage platforms and the lifting devices are arranged, the unmanned aerial vehicle cabins can be moved to the corresponding storage platforms through the lifting devices, the unmanned aerial vehicles are moved to the cabin placement frames through the carrying platforms, and the multiple unmanned aerial vehicles can lift off for surveying tasks by adopting the unmanned aerial vehicle parking system; the standby unmanned aerial vehicle can immediately lift off to continue to complete the investigation task while power storage is carried out after automatic return flight, and the problems of long operation interval, investigation omission and the like caused by frequent battery replacement or charging are not needed.
Owner:ANHUI BRAINWARE LINKCON TECH CO LTD

Dust removal and dechlorination pretreatment device of blast furnace gas purification and desulfurization system

The invention discloses a dust removal and dechlorination pretreatment device of a blast furnace gas purification and desulfurization system, and relates to the technical field of blast furnace gas purification and desulfurization, the dust removal and dechlorination pretreatment device comprises a treatment mechanism, a buffer mechanism comprises a first multi-way pipe and a protective shell, and a pressure sensor is mounted on the outer wall of one input end of a second multi-way pipe; one output end of the second multi-way pipe and the input end of the one-way valve are each provided with a first electric valve, an air storage box is fixed into the reinforcement cage, and a second electric valve is installed at the discharging end of the round pipe. According to the invention, by arranging the buffer mechanism, part of blast furnace gas can be dispersed into the gas storage tank for storage when the blast furnace gas output is greater than the treatment capacity of the dust removal and dechlorination pretreatment device, so that the dust removal and dechlorination pretreatment device is prevented from being impacted by pressure, and the stable operation of the dust removal and dechlorination pretreatment device is further ensured; therefore, the dechlorination effect of the dedusting and dechlorination pretreatment device is ensured, namely the use efficiency of the dedusting and dechlorination pretreatment device is improved.
Owner:CHIBI XINGCHEN CHEM IND CO LTD

LED (light-emitting diode) patch lamp strip

ActiveCN224215284Uachieve distributionReduce the probability of high temperature burn damageLighting support devicesPrinted circuit detailsMaterials sciencePhotochemistry
The utility model discloses an LED (light-emitting diode) patch lamp strip, which comprises a lamp strip and a splicing component, the lamp strip consists of a top protective layer, a middle conductive layer and a bottom protective layer, a plurality of aluminum columns are arranged on the lamp strip, and the aluminum columns penetrate through the top protective layer; the splicing assembly comprises a plurality of connecting pieces, a plurality of copper needles are arranged at the bottoms of the connecting pieces, the heat dissipation efficiency of the lamp strip can be improved, and the splicing mode of the lamp strip is convenient, fast and stable.
Owner:JIANGXI YONGMING SEMICONDUCTOR CO LTD

A data product identity ID generation method based on a data grid

ActiveCN117435826Befficient communicationEffective exchange of visits
This invention discloses a data product identity ID generation method based on a data grid, belonging to the field of data processing technology. It includes constructing a system communication architecture based on a data grid, employing a distributed, multi-layered data product identity ID design within the communication architecture. This solves the technical problem of achieving efficient ID generation algorithms and query mechanisms using data grid-based data product identity ID generation. This invention ensures that the generated identity ID is globally unique within the data grid, improving user understanding and interpretability of its meaning, facilitating the expression of relationships and dependencies between data products, possessing strong versatility, improving interoperability between the system and applications, allowing for flexible expansion and customization, ensuring efficient data transmission and low-latency communication, while also possessing reliability. The design employs the BGP routing protocol, enabling the selection of the optimal path, avoiding loops, and achieving data communication across autonomous systems.
Owner:江苏量界数据科技有限公司

Hybrid power system and operation machine

ActiveEP4378727A4achieve distributionSpeed controllerHybrid vehicles
Disclosed is a hybrid power system and an operation machinery. The hybrid power system includes an engine, a power distribution device, and a double-shaft extension motor. An input end of the power distribution device is connected to the output end of the engine, a first power output end of the power distribution device is connected to one end of the drive shaft, the input end is connected to the first power output end; a second power output end of the power distribution device is connected to one end of the double-shaft extension motor, and the second power output end is configured to selectively coupled with the input end or separated from the input end; another end of the double-shaft extension motor is configured to connect with the hydraulic power system. The power distribution device is provided with a power coupling state and a separation state; in the power coupling state, the first power output end and the second power output end form a power coupling connection, so that the engine is connected to the double-shaft extension motor; in the separation state, the input end and the second power output end are separated, so that the engine and the double-shaft extension motor are separated. Disclosed can conveniently realize on-demand distribution of the power of the hybrid power system by changing the working state of the power distribution device according to actual needs.
Owner:SANY AUTOMOBILE MFG CO LTD

Multi-material additive manufacturing equipment and multi-material additive manufacturing method

The present invention belongs to the field of additive manufacturing, and relates to a multi-material additive manufacturing device and an additive manufacturing method, including a light-transmitting plate, a laser forming light source, a parts supporting device, a raw material transmission film, a raw material transmission film moving device, a raw material supply and recovery system, and a control system; the laser forming light source, the light-transmitting plate, and the parts supporting device are arranged in sequence from top to bottom in a non-contact manner; the raw material transmission film is placed on the lower surface of the light-transmitting plate; the control system is respectively connected to the laser forming light source, the parts supporting device, the raw material transmission film moving device, and the raw material supply and recovery system; the raw material transmission film moving device drives the raw material transmission film to move freely at the bottom of the light-transmitting plate; the raw material supply and recovery system and the parts supporting device are all arranged at the bottom of the raw material transmission film moving track. The present invention ensures the flatness of the raw material in the forming area, realizes the recycling of the raw material transmission film during the forming process, and can realize the switching of multiple materials during the forming process.
Owner:XIAN BRIGHT ADDTIVE TECH CO LTD

Novel adjustable tray warehouse

PendingCN119389642ARealize positioning installationhighly precise controlStorage devicesRocker arm
The invention relates to the technical field of tray storage and distribution, in particular to a novel adjustable tray warehouse, and solves the problems that an existing tray warehouse inconveniently stores and lifts trays of different models and sizes and cannot automatically distribute a plurality of trays, so that the tray feeding efficiency is low. A novel adjustable tray warehouse comprises a lifting driving mechanism, a rocker arm lifting mechanism and a stroke monitoring mechanism, the stroke monitoring mechanism is installed on one side of the lifting driving mechanism, the rocker arm lifting mechanism is installed in the middle of the lifting driving mechanism, and a plurality of tray bodies are installed at the front end of the rocker arm lifting mechanism. And the lifting driving mechanism comprises a rack main body, a fixed supporting cross rod is fixedly installed at the upper end of the rack main body, and two sliding seats are slidably connected to the middle of the rack main body. By lifting and sequentially distributing the multiple stacked trays, the trays can be rapidly fed conveniently, and the requirement for storage of the trays of different models and sizes can be met.
Owner:WUXI DADONG MACHINERY MFG

Heat dissipation device and server

The invention discloses a heat dissipation device and a server, and relates to the technical field of server heat dissipation. The heat dissipation device comprises a heating device, a heat conduction piece and a heat dissipation structure, the heating device is provided with a heating piece, a first fixing structure and a second fixing structure, and the heat conduction piece is provided with a first heat transfer contact face used for making contact with the heating piece of the heating device; the heat conducting piece is fixedly arranged on the first fixing structure; the heat dissipation structure is provided with a second heat transfer contact surface used for being in contact with the heat conduction piece, and the heat dissipation structure is used for dissipating heat transferred by the heat conduction piece; the heat dissipation structure is fixedly arranged on the second fixing structure. In the actual use process of the heat dissipation device provided by the invention, when devices in the heating equipment need to be replaced or maintained, only the heat dissipation structure needs to be disassembled, and the heat conduction piece does not need to be disassembled, so that the influence on the heating piece in the heat dissipation device disassembling process can be effectively avoided. In addition, the heat conduction piece and the heat dissipation structure are designed in a split mode, and the heat dissipation structure can adapt to various different heating devices provided with heating pieces.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Component-limited insect culture medium containing nanoparticles

The invention discloses a component-limited insect culture medium containing nanoparticles, and relates to the technical field of culture medium preparation, and the component-limited insect culture medium is composed of saccharides, amino acids, inorganic salts, vitamins, organic acids and trace elements. The chemical component limited culture medium comprises 10-15 g / L of saccharides, 15-25 g / L of amino acid, 6.5-15.0 g / L of inorganic salt, 0.01-0.5 g / L of vitamins, 0.2-2.0 g / L of organic acid, 0.001-0.01 g / L of trace elements and nano-particles, and the mass of the nano-particles accounts for 0.01%-0.1% of the total mass of the culture medium. The culture medium is free of serum and animal source components, the nano-particles are added into the serum-free culture medium, higher batch stability is achieved, and the culture medium is suitable for large-scale production. The recovery and passage requirements of various insect cells can be met.
Owner:SHANGHAI DUONING BIOTECHNOLOGY CO LTD

Integrated circuit, method and electronic device for distributing interrupt signal

The invention provides an integrated circuit, a method and electronic equipment for distributing interrupt signals. The integrated circuit comprises at least one interrupt mask unit and at least one interrupt distribution unit in one-to-one correspondence with the interrupt mask unit, each interrupt mask unit acquires at least one interrupt signal generated by at least one interrupt source in the system on chip, and determines to transmit the at least one interrupt signal to the interrupt distribution unit corresponding to the interrupt mask unit based on pre-stored identification information; and each interrupt distribution unit determines target hardware corresponding to each interrupt signal based on operation information of at least one piece of hardware in the system on chip, and transmits the interrupt signal to the target hardware. The interrupt mask unit determines whether to continue to transmit the interrupt signal to the interrupt distribution unit based on the identification information, and the interrupt distribution unit determines the target hardware by using the interrupt signal and the operation information of the hardware, so that the target hardware suitable for processing the interrupt signal can be determined, and the interrupt signal can be processed in time.
Owner:XG TECHNOLOGIES PTE LTD

Address-based event distribution method and apparatus, electronic device, and storage medium

ActiveCN116943144Bachieve distributionImprove distribution efficiency
Embodiments of the present application provide an address-based event distribution method and device, electronic equipment and a storage medium. The method comprises: in response to a trigger instruction of a target event, obtaining an event address of the target event; the event address is generated based on a parameter order and a parameter value of an event parameter of the target event, and the event address is associated with a processing function of the target event and registered; the processing function registered in association is obtained according to the event address, and the processing function is called to perform corresponding processing on the target event. By calling the processing function associated with a triggered target event based on the event address, the total amount of event processing function calls is reduced, and the number of event processing function calls is reduced, thereby solving the problem of slow or even no response of the server, and improving the efficiency of event distribution.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Defrosting structure of refrigeration equipment

The utility model discloses a defrosting structure of refrigeration equipment. The defrosting structure comprises a box body, a base and a hot air mechanism, the swing assembly is designed, the motor can be started, the motor can drive the rotary disc to rotate, the rotary disc can drive the swing rod to swing front and back in the rotating process, when the swing rod swings forwards, the movable rod can be driven to slide backwards, the movable rod can drive the gear to rotate clockwise, and when the swing rod swings backwards, the movable rod can drive the gear to rotate clockwise. According to the defrosting device, when the hot air mechanism is arranged, a movable rod can be driven to slide forwards, the movable rod can drive a gear to rotate anticlockwise, and the gear can drive an air outlet pipe in the box shell to swing back and forth in a reciprocating mode, so that the defrosting area of the hot air mechanism is increased, and the defrosting efficiency is improved; therefore, the phenomenon that the service life of the fan is affected due to the fact that the temperature in the box shell is too high can be prevented.
Owner:HARBIN YUANYE REFRIGERATION EQUIPMENT CO LTD

Bevel gear numerical calculation method, system and device and readable storage medium

The invention discloses a bevel gear numerical calculation method, system and device and a readable storage medium. The bevel gear numerical calculation method comprises the steps that gear parameter information is acquired; constructing a finite element model according to the gear parameter information, and calculating an overall stiffness matrix of the finite element model; according to the gear parameter information, a loading contact analysis method is adopted to calculate meshing force of meshing nodes at different rotating angles; applying a fixed displacement boundary condition to the gear inner gear ring of the finite element model to simulate the static state of the gear inner gear ring; mapping the meshing force of the meshing nodes at different corners to the tooth surface of the finite element model to obtain a tooth surface meshing force result so as to realize distribution of the meshing force on the tooth surface; a gear deformation result is calculated according to the overall stiffness matrix and the tooth surface meshing force result; and calculating tooth surface contact stress and tooth root bending stress based on a gear deformation result. According to the bevel gear numerical calculation method provided by the embodiment of the invention, the tooth surface contact stress and the tooth root bending stress can be efficiently and accurately calculated.
Owner:CENT SOUTH UNIV

A teaching intelligent evaluation method and system

The present application relates to a kind of teaching intelligent evaluation method, system, electronic equipment and storage medium, solve the technical problem that existing teaching quality evaluation is too simple, evaluation result cannot adapt to the demand of teaching link improvement.Method includes: from the learning state data of the multiple-path teaching process of reaching learner, form learning quantitative data set;Through the ability evaluation model analysis learning quantitative data forms the comprehensive evaluation of learning ability, according to the comprehensive evaluation result forms the personalized ability data of feedback to teaching two sides;According to the personalized ability data, form the process of feedback and incentive strategy, according to the weight calibration of the prior data of teacher;According to personalized ability data, match feedback and incentive strategy adjust the configuration and distribution of learning resource.Form the personalized evaluation of the comprehensive ability of learner.Evaluation result guarantees the adaptation of customized learning path and incentive content.Resource configuration and distribution for individual differences of learner are realized.
Owner:BEIJING WUYI JIAYU TECHNOLOGY CO LTD

Fractionating tower wall flow redistributor device

ActiveCN224056706UEffect of separation efficiencyachieve distributionFractional distillationEnvironmental engineeringTower
The utility model relates to the technical field of fractionating towers, in particular to a fractionating tower wall flow redistributor device which comprises a fixed base, a distribution assembly is arranged at the top of the fixed base, the distribution assembly comprises a fractionating tower main body, and the fractionating tower main body is fixedly connected to the top of the fixed base. According to the fractionating tower wall flow redistributor device, the distribution assembly is installed, when fractionating is conducted on the fractionating tower body, gas generated by fractionating is attached to the inner wall of the fractionating tower body and then coagulated into liquid, water drops on the inner wall of the fractionating tower body can flow downwards along the tower wall and flow in the water collecting tank in a concentrated mode, and therefore fractionating is conducted on the fractionating tower body. And water in the water collecting tank flows to the top of the redistributor main body along the drainage hole and then flows to the water guide plate at the bottom along the drainage hole, and water on the water guide plate flows to the bottom of the fractionating tower main body along the water guide groove, so that redistribution of wall flow is realized, and adverse effects of the liquid wall flow on the separation efficiency of the fractionating tower main body are avoided.
Owner:NINGBO KEYUAN FINE CHEM CO LTD

Automatic storage and retrieval device for overhead passenger chair with movable rope grip

The present invention relates to an automatic storage and retrieval device for a chairlift of an overhead passenger device with a movable rope gripper, and belongs to coal mine personnel transportation equipment. The adopted technical scheme is: it includes a chairlift storage track, a chairlift receiving and dispensing device, and a claw transfer slideway. The chairlift storage track is used to store the chairlift, and the chairlift storage track is provided with two ports for the chairlift to enter and exit. A transfer slideway with a circulating structure is provided above the chairlift storage track, and a transfer claw is provided on the transfer slide; the chairlift receiving and dispensing device includes a recovery inclined slideway and a dispensing inclined slideway, and a linear drive device is provided above the recovery inclined slideway, and a claw is provided at the driving end of the linear drive device to move along the inclined slideway. The present invention adds an automatic chairlift recovery and dispensing device to the chairlift storage device without changing the existing equipment structure, so as to realize automatic storage and distribution of the chairlift, realize unmanned operation of the storage of the overhead passenger device chairlift, and reduce the number of workers employed in chairlift management positions and the cost investment of manpower and material resources.
Owner:SHANDONG WESTENO MECHANICAL & ELECTRICAL TECH CO LTD

Fin plate type radiator

The utility model relates to the technical field of radiators, in particular to a fin plate type radiator. Comprising heat dissipation plate assemblies, connecting pipe fittings, fin assemblies, connecting vertical plate assemblies and air cooling assemblies which are arranged in pairs, the heat dissipation plate assemblies are arranged at intervals in the Z direction, criss-cross flow channels are formed in the heat dissipation plate assemblies, the connecting pipe fittings are used for communicating the flow channels of the two heat dissipation plate assemblies, and the fin assemblies correspond to the heat dissipation plate assemblies, are located between the heat dissipation plate assemblies and are used for heat dissipation. The connecting vertical plate assembly is connected with the pair of fin assemblies, the air cooling assembly is used for heat dissipation of the fin assemblies, the heat dissipation plate assemblies and the fin assemblies are arranged in pairs, the connecting pipe fittings are used for communicating the flow channels, the flowing path and the contact area of cooling liquid are increased, cooperative heat transfer and dissipation are achieved, and the overall heat dissipation effect and performance are improved.
Owner:TAICANG DOW ELECTRIC

Beacon light

The utility model provides a beacon light, which relates to a beacon light device, and comprises a support assembly, a heat dissipation assembly and a light group, the support assembly is used for building a support frame; the heat dissipation assembly comprises a heat dissipation column and a heat dissipation plate, the bottom end of the heat dissipation column is connected with the supporting assembly, the heat dissipation plate is arranged at the top end of the heat dissipation column, and a height difference is formed between the heat dissipation plate and the supporting assembly; the lamp set is arranged on the outer wall of the heat dissipation column, a convex lens is arranged between the supporting assembly and the heat dissipation plate, a gap is formed between the convex lens and the outer wall of the heat dissipation column, and the convex lens is used for converging light emitted by the lamp set. The multiple lamp sets are distributed in a surrounding mode with the central axis of the heat dissipation column as the center. Heat generated by the lamp set can be quickly transmitted to the heat dissipation column and dissipated to the outside through the heat dissipation plate, and heat accumulation in the beacon lamp is avoided.
Owner:ZHANJIANG NAVIGATION AIDS OFFICE NANHAI NAVIGATION SUPPORT CENT MINISTRY OF TRANSPORT +1