50results about How to "Optimize site selection" patented technology

The invention provides a vehicle carrying scheme that lifting racks are used for lifting a vehicle above a vehicle top so as to perform leap-type translation in order to solve the problems that existing parking devices with the comb teeth for supporting, storing and withdrawing the vehicle are low in using ratio of the ground, inflexible in application, poor in storing and withdrawing efficiency and the like. Besides, by means of mutually communicated storing and withdrawing rack channels which are distributed below all comb-shaped parking racks of a parking queue, comb-shaped storing and withdrawing racks of carriers can directly and rapidly move and operate between each comb-shaped parking rack and vehicle storing and withdrawing port, the process of lifting and putting the road vehicle to a garage can be simply finished by the aid of comb-shaped lifting racks which are arranged at positions of the vehicle storing and withdrawing ports, a system is effectively simplified, and the efficiency is increased.

The invention discloses an antenna device and an antenna array. The main content is that the antenna device includes three antenna oscillators fixed onto a supporting part, wherein a vertical distance between the radiation center of each antenna oscillator fixed onto the supporting part and a mirroring reflection ground plate is 1/5[lambda] to 2[lambda]; any two antenna oscillators fixed onto the supporting part mutually intersect at right angles; and an angle value of an included angle formed by a polarization direction and a horizontal direction of any different antenna oscillator is identical. Each antenna oscillator is connected with a feed network board through a core wire of a coaxial cable. The feed network board is used for independently adjusting amplitude and phase of a transceiving signal on each antenna oscillator. The three-polarization antenna device is applied to a communication network built by using MIMO technology, is convenient for address site selection and installation, and can help to improve the covering capability of network signals, raise broadband data service processing level and increase spectrum resource utilization rate.

The invention discloses a vacuum explosion effect testing device, which comprises a tank body; the upper end of the tank body is respectively connected to a vacuuming device and a smoke exhausting andgas exchanging device through pipelines; a spray device is arranged at the top of the tank body; a toxic and harmful gas monitoring device is also arranged in the tank body; a wiring sealing window and an observable window are arranged on both sides of the tank body; a double-layer sealing door is arranged at one end of the tank body; a detachable device table and a replaceable cushion are arranged at the bottom of the tank body. Due to the arrangement of a spray dust reduction system, a purification system, and the toxic and harmful gas monitoring device, toxic and harmful substances generated in explosion are monitored, prescribed, removed and absorbed, thereby ensuring the safety of operation personnel performing an explosion effect test in a vacuum environment to the greatest extent.In addition, a damping groove is formed outside the device, and a surface, connected with a base, of the device is filled with a vibration damping material, so that vibration hazards caused by an explosion effect are reduced.

The invention discloses a gateway station site selection method and system for a broadband low-orbit satellite communication system. The method comprises the following steps: generating a satellite network static topology; constructing a global user location service model to obtain the service volume borne by all satellites; establishing a target function by taking minimization of communication time delay and maximization of data transmission rate as targets and taking a gateway station site selection range, a gateway station receiver threshold and a single-satellite capacity upper limit as constraint conditions; calculating the target function fitness of a group of candidate gateway stations; and optimizing the site selection of the gateway station by adopting a genetic algorithm. The system comprises a satellite, a gateway station and a user terminal. According to the method, the influence of single-satellite capacity limitation and global service distribution on the site selection of the gateway station is considered, and an effective reference method is provided for the site selection of the gateway station of the broadband low-orbit satellite communication system. The gateway station site selection method and system for the broadband low-orbit satellite communication system can be widely applied to the technical field of satellite communication.

The invention discloses a method for planning electric vehicle charging stations in highway networks. The method comprises the following steps of: establishing a highway network model, wherein the highway network mode comprises a plurality of nodes and roads between adjacent nodes are called as sections; adding an initial node and a termination node in the highway network model according to an actual running distance of an electric vehicle when the electric vehicle reaches a highway network and a planned running distance of the electric vehicle when the electric vehicle leaves the highway network; adding a virtual section in the highway network model according to running journey constraint of the electric vehicle so as to obtain a highway network extended model, wherein the virtual section is the sum of distances of all the actual sections between two nodes; and establishing an electric vehicle charging station site selection and constant volume optimization model according to the highway network extended model, and solving the optimization model to output a charging station site selection and volume planning result. The method has the following advantages of optimizing the site selection and volumes of electric vehicle charging stations and reducing the investment cost of the electric vehicle charging stations under the premise of satisfying the charging demands of electric vehicles.

The invention relates to an ultra-short-range airplane takeoff method in the field of flight methods. The ultra-short-range airplane takeoff method comprises following steps: step one, a flight column is established; step two, a rotational stand is mounted; step three, airplanes are dragged; step four, counterweights are set; step five, circumferential type takeoff is performed; step six, connection points are loosened. Not only can the length of a runway used during takeoff of each airplane be shortened, but also the dead weight capacity of the airplane during takeoff can be increased; the airplane takeoff method is more suitable for takeoff of military airplanes, the requirement for an aviator is higher, the occupied space is smaller, the concealment performance is good, and site selection is convenient; furthermore, flight buildings such as the flight column and the like are simple and convenient to manufacture and lower in cost, can be wholly moved after dismounting, has strong adaptability and is suitable for massive popularization in a small range, thereby accelerating development of the aviation industry.

The invention discloses an automobile repair store site selection method based on vehicle space-time distribution, and belongs to the technical field of data processing. On the basis of comprehensivefactors of an urban road network, a residential area and an office and commercial area, the condition of the vehicle ownership in the area is analyzed through visual map display, the corresponding weight level is formulated according to the corresponding rating, and the comprehensive score of the area is calculated; negative effects caused by competition in the area are eliminated; and the optimalsite selection scheme of the automobile repair store is comprehensively analyzed, and theoretical support is provided for site selection of the automobile repair store. By optimizing site selection,the passenger flow volume of the store is improved, and more profit points are brought.

The invention relates to a mobile rural garbage treatment equipment distribution method based on DEA and nuclear density, in particular to the mobile rural garbage treatment equipment distribution method. The invention aims to solve the problem of low garbage collection efficiency and treatment efficiency caused by non-uniform distribution of garbage transfer stations in the existing method. The method comprises the following steps: 1, determining the positions of a garbage collection point, a transfer point and a treatment end point; 2, calculating the garbage amount of the garbage collection point; 3, establishing a waste transfer station evaluation index system; 4, collecting data required by evaluation of the garbage transfer station; 5, operating the DEA model to obtain the DEA pretreatment efficiency of each garbage transfer station in the region; 6, obtaining a fuzzy superposition graph; 7, opening ArcScene software, and adding the fuzzy superposition graph to obtain a three-dimensional kernel density analysis graph; and 8, on the basis of the three-dimensional kernel density analysis chart, carrying out supplementary stationing configuration on the mobile rural garbage treatment equipment. The method is applied to the field of garbage treatment equipment distribution.

The invention discloses a method for monitoring water quality on line as well as a device and a system applied by the method, and relates to a water body detection technology. In order to solve the problem of inconvenience in detection in the prior art, the method comprises the step of finding out a characteristic peak and a height corresponding to an index by utilizing a curve formed by two kinds of spectral data so as to confirm the specific size of the index in a detected water body. The device is placed in a water body by using a buoy, and water body detection is carried out by using the method. On the basis of comprising the device, the system is also provided with a background server for deep processing. The system has the advantages that detection, communication, power supply and installation fixation are integrated, and site selection and arrangement of water quality monitoring points can be conveniently and effectively carried out. The water quality index is automatically analyzed by directly utilizing a water body fluorescence spectrum, an absorption spectrum and a self-adaptive algorithm, so that the effectiveness of a test index value is enhanced.

The invention relates to a novel water pumping energy storage device which comprises a container wall, an additional counterweight, a large piston, an O-shaped piston sealing ring, a waterproof wall,a water inlet pipe end opening, a water outlet pipe end opening, a first valve and a second valve. When the power consumption is low, off-peak electric energy drives a hydraulic pump through a motor,filtered water is added into an energy storage pool from the water inlet pipe end opening, the filtered water lifts the large piston to store potential energy in the energy storage pool, and the stored potential energy is adjusted through the additional counterweight; during peak power consumption, the large piston and the additional counterweight press the water in the energy storage pool out offrom the outlet pipe end opening under the action of gravity, and the pressed water flow drives a water turbine to generate electricity, the potential energy is converted into electric energy, and theproblem that a water pumping energy storage power station cannot be built due to the restriction of geographical conditions is thus solved.

The invention relates to a gravity energy storage system. According to the structure of the gravity energy storage system, at least two vertical shafts are built underground, and the bottoms of the vertical shafts mutually communicate; a bidirectional water pump is arranged on a channel at the bottom of each vertical shaft, and each bidirectional water pump is connected with an upper water tank onthe ground through a water pipe and a water valve; rails are arranged above each vertical shaft, a gantry crane is arranged on the rails, and a lifting motor is installed on a base at the lower partof the gantry crane; the lifting motor is connected with a winding drum and drives the winding drum to rotate, and a steel wire rope is wound on the winding drum; and the steel wire rope penetrates through a fixed pulley set on the gantry crane and the rear tail end of a movable pulley set to be fixed on a gantry crane main beam on the upper portion of the gantry crane, a lifting appliance is arranged below the movable pulley set, and an energy storage block is hooked through the lifting appliance. According to the gravity energy storage system, electric power can be smoothly output, the occupied area is small, site selection is easy to achieve, no emission exists, pollution is avoided, the storage power is high, the efficiency is high, the service life is long, the problem of new energy grid connection can be effectively solved, and power fluctuation reduction can be effectively reduced.

The invention discloses a well lid type ground antenna device. The well lid type ground antenna device comprises a cover plate, an antenna body, a supporting frame and a base, an upper mounting cavityis formed in the base, the supporting frame is arranged in the mounting cavity, the antenna body is mounted in the mounting cavity through the supporting frame, and the cover plate is mounted at theupper end in the base. According to the invention, the antenna bodies are integrally integrated and separated from the fixing device; the well lid type ground antenna device has the advantages of simple structure, small size and light weight, and workers can conveniently machine and fix step by step; and mass production is convenient, and meanwhile, the interchangeability of the antenna device isgood, wherein the antenna body is the core part of the whole device, only two cables are connected with the outside, if the antenna body needs to be replaced, only the antenna body needs to be replaced, installation is convenient, the upper antenna cover, the lower antenna cover and the connector of the antenna body are each of a waterproof structure, the cover plate is covered with the antenna body, only the cover plate is exposed out of the whole antenna device, the cover plate is in the well lid shape and style, and good concealment is achieved.

The invention belongs to the technical field of mobile communication, and in particular relates to a power supply system for a repeater. The system comprises a near-end part and a far-end part, wherein the near-end part comprises a base station direct-current power supply cabinet and a near-end machine; the far-end part comprises a far-end machine; the transmission port of the base station direct-current power supply cabinet is connected with the transmission port of the near-end machine; and the output end of the near-end machine is connected with the input end of the far-end machine. The near-end part is also provided with a storage battery; the port of the storage battery is connected with the port of the base station direct-current power supply cabinet; the near-end machine comprises a rectifying module and a monitoring module; the port of the rectifying module is connected with the port of the monitoring module; the monitoring module monitors and controls voltage and current of the rectifying module and transmits the voltage and current to a terminal control computer through 485 communication; and the rectifying module is used for adjusting and stabilizing the voltage and current and supplying power to the terminal repeater. The power supply system has the advantages of high safety and reliability, convenient daily maintenance and management, wide environmental adaptation range and high efficiency.

The invention relates to a gate valve pipe-type fish passing method. Water of an upstream reservoir is diverted into a fish gathering cavity of a fish gathering storehouse through a fish passing pipeline, and a fish attracting velocity is formed in the fish gathering cavity and at a fish inlet through a fish-attracting structure to induce fishes from downstream to enter the fish gathering cavity through the fish inlet; after the fish attracting is completed, the gate is closed, water stored in the fish passing pipeline is discharged through a pressure release pipeline; the water of the upstream reservoir is injected into the fish gathering cavity and the fish-passing pipeline through a water injecting pipeline to boost the pressure in the fish gathering cavity; the fishes gathered in the fish gathering cavity are introduced into the fish passing pipeline by means of boosting the pressure, and the pressure rises until a water head in the fish passing pipeline is flush with a water levelof the reservoir to prepare the fish passing; and a fish passing velocity is generated through a discharge pipeline and a second flow control valve on the discharge pipeline, and the hydraulic fish passing is realized. According to the gate valve pipe-type fish passing method, the occupied area is small, the project cost is low, and the water consumption is low.

The invention relates to the technical field of tidal power generation, in particular to a tidal power generation system. The tidal power generation system comprises a substrate fixed to the seabed, avertical column fixed to the substrate and extending out of the sea level and a floating unit slidably arranged along the vertical column, wherein the floating unit comprises a floating silo capableof suspending on the sea level and a unit silo located on the floating silo, a generator unit is arranged in the unit silo, and the buoyancy generated by the floating silo is greater than the gravityof the floating unit; the vertical column is provided with a gear rack along the extension direction, the floating unit is provided with a gear wheel matched with the gear rack and capable of rollingalong the gear rack, and the gear wheel is connected with the generator unit through a transmission shaft. Through the arrangement, the tidal power generation system has a simple and reliable structure, is easy to select a site, and conductive to large-scale construction, moreover, the tidal power generation system has the advantages of low cost and energy consumption, high power generation efficiency and stability.

The invention discloses the networking of a photovoltaic module cleaning operation and maintenance system, which comprises a monitoring station, an operation and maintenance tower, a guide rail support, a conveying device and photovoltaic panels, and is characterized in that the monitoring station is provided with a network monitoring platform and an environment monitor, and the operation and maintenance tower is internally provided with a cleaning device, an assembly recycling chamber and a cleaning liquid pool; a plurality of photovoltaic panels are linearly arranged and slidably mounted in the guide rail support, the conveying device is arranged below the photovoltaic panels, the conveying device carries the photovoltaic panels to move through movable clamping and conveys the photovoltaic panels into the assembly recycling chamber in the direction of the guide rail support, and the cleaning device sprays liquid to clean the photovoltaic panels below. According to the invention, the operation and maintenance towers with fixed positions are arranged, each photovoltaic power generation production line has its own operation and maintenance tower, the monitoring station only needs to control the operation and maintenance towers, a network covering a full photovoltaic area does not need to be arranged, the site selection of the installation positions of the photovoltaic panels is facilitated, the adaptability to the environment is improved, and the effects of easy layout and low investment are achieved.