177 results about "City environment" patented technology

A system and method for minimizing the amount of photographic data to be collected to reconstruct a model of a three-dimensional object such as a building. In one embodiment a systematic process is used to collect survey and detailed photographic data from designated facades and architectural components of the facades to be processed into graphical tiles. The graphical tiles are textured or coated onto a three-dimensional wireframe model of the building. In one embodiment, the amount of photographic data to be collected is based on the footprint of the building, the height of the building and the number of unique facades and architectural details on the facades. In one embodiment, photographic data of the objects surrounding the building is also collected for modeling with the building. The virtual three-dimensional building models can be incorporated into the virtual three-dimensional city model which is a realistically accurate depiction of a city environment including all the details of an actual city.

An apparatus and method for creating and using a virtual three-dimensional environment, and methods for generating revenue based on the virtual three-dimensional environment. The virtual three-dimensional environment includes a virtual three-dimensional city model which is a realistically accurate city environment including all the details of an actual city. Defined elements within the virtual city model serve to promote corresponding third-party businesses and related entities in the real world. Users interface with the virtual city model to explore the city and learn about or become more familiar with the defined elements within the virtual city model. The virtual three-dimensional city model which is realistically accurate of an environment also facilitates multiple other uses.

The present invention relates to an electrical safety diagnosis system and apparatus, which are configured to enable sensed data on user surroundings in a U-city environment, such as electrical safety data for switchboards and distribution boards, and water leakages, faulty outlet connections, etc., to be managed remotely by a server at a U-city integrated information center. In particular, the present invention relates to an electrical safety diagnosis system and apparatus which use a U-city integrated information network to preemptively perform checking and analyses for potential electrically-induced disasters that can occur in public facilities, stores, buildings, and homes within a U-city, by means of a U-city integrated information center, and prevent electrical fires or shocks at the electrical equipment of switchboards or distribution boards, and dangerous conditions (such as water leakages, abnormal temperatures, gas, and faulty outlet connections) in facilities used by users. The remote electrical safety diagnosis system of the present invention comprises: a digital switchboard including the functions of checking electrical equipment in a switchboard room using a contactless arc sensor and a partial discharge sensor on a power line, to diagnose the safety of the electrical equipment, diagnosing an arc or partial discharge in a detected waveform and storing the diagnosed data, and transmitting the diagnosed data to a higher level server; and a digital distribution board including a main circuit breaker and a partial circuit breaker, for checking an AC voltage or current input through the power line, storing the checked data, and transmitting the diagnosed data to the higher level server.

The present invention relates to a method of the 3D track simulation for a miniature aircraft under urban surroundings and belongs to the field of the 3D real-time route navigation technology for a miniature aircraft. The following modules are set in a computer: a map digitalized module, which digitalizes the 3D model of urban surroundings including threat points, buildings, the departure and target points of a miniature aircraft that is inputted by the graphical user interface (GUI), map parameters and the coordinate of a candidate navigation point composed of the 3D model of urban surroundings and the map parameters; a flight path programming module, which inputs the data from the map digitalized module, calculates the overall route index that takes the flight resource consumption rate and the survival rate into consideration, figures out the most feasible route using network optimizing algorithm under the condition of taking barriers into consideration, and then smooths the bevel at turnings and generates a realtime flight orbit; a data-collecting module, which collects the coordinate values of the aircraft positions and postures outputted by the flight path programming module and forms a posture coordinate value including orthogonal coordinate variables X, Y and Z, a pitch angle h, a yawing angle p and a roll angle r. The present invention saves flight resources and improves flights simultaneously.

The invention discloses a sponge city rainwater collecting, purifying and utilizing combination system which comprises a roof rainwater collecting area, a road rainwater collecting area, a greenbelt rainwater collecting area, a water collecting and sand settling tank, a purifying device and an impounding reservoir. An evaporation preventing layer, a soil layer, a water supply layer and a purifying layer are sequentially arranged on the roof rainwater collecting area from top to bottom. Transverse and longitudinal water collecting pipes are arranged in a bottom gravel layer of the road rainwater collecting area. An evaporation preventing layer, a soil layer, a rough sand layer and a purifying layer are sequentially arranged in the greenbelt rainwater collecting area from top to bottom. A filtering grid is arranged in the middle of the impounding reservoir, a water inlet hole and a water overflow hole are formed in the upper portion of the impounding reservoir, and a water drawing pump is arranged at the bottom of the impounding reservoir. The city environment can be greened and beautified, city rainfall flood pressure can be relieved, pollutants in rainwater can be absorbed, water resources can be saved, the rainwater utilization efficiency can be improved, and important reference significance is achieved on sponge city non-point source pollution control and city water shortage relieving.

The invention belongs to the technical field of navigation, and discloses an integrated navigation method based on vision and high-precision map lane line constraint. The integrated navigation methodincludes acquiring outline position and accuracy assessment indexes of a carrier through GNSS (global navigation satellite system)/INS (inertia navigation system) integrated navigating and positioning; recognizing lane lines and determining the lane line of the carrier by the aid of vision; forming a carrier position region constraint equation according to a high-precision map to assist integratednavigation filtering calculation. The integrated navigation method has the advantages that the problem of low usability of vehicle-mounted navigation algorithms due to interference and shielding of the GNSS in a city environment in the prior art is solved, and the technical effect of improving usability of the integrated navigation algorithm in the city environment is achieved.

The invention relates to a high-capacity public trash can and aims to solve the problems that the capacity of an existing public trash can is limited, the city environment protection is not benefited and the labor force is increased. The trash can comprises a can body and compression mechanisms; the compression mechanisms comprise cylinders, servo motors, screws, sliding sleeves, links and press plates; the can body is provided with through grooves, the side walls of the through grooves are provided with sliding rails provided with push rods inside, the cylinders drive the servo motors to slide, the servo motors drive the screws to rotate, the sliding sleeves match with the screws through threads, the links are hinged to the sliding sleeves and the press plates, and the press plates are hinged to the push rods. Since the trash can adopts a reciprocating compression structure, the trash can be compressed in the reciprocating manner, the trash in the trash can can be compressed to the utmost extent, the capacity of the trash can is increased effectively, city environment can be protected, the labor force is saved for sanitation workers, cost is lowered, and the structure is reasonable and compacted.

The invention discloses an information system for an ecological comprehensive evaluation of town greenbelt, which comprises a comprehensive evaluation index system of town greenbelts and a comprehensive evaluation model, wherein the comprehensive evaluation index system of town greenbelts comprises two levels of indexes, the first level of indexes comprise a quantity index, a quality index, a structure index and a function index, and the second level of indexes comprise seven core indexes and five expanding indexes. Ecological comprehensive evaluation can be carried out to the town greenbelts by the comprehensive evaluation index system of the town greenbelts and the comprehensive evaluation model, thus being beneficial for related city management departments, colleges and research institutes to developing high-quality and high-efficient planning, construction, management, evaluation and reference study in town greenbelt construction process under different grades and different natural conditions, guiding a designer to master design guidance of city garden greenbelts, and providing methods and tools for scientific research workers to research city environment problems.

The invention refers to a device for producing hydrogen by using microbe to yeast organic substances and conversion of hydrogen energy and electricity energy. It sets biological hydrogen producing reaction device, gas purifying device inlet connects with the outlet of reaction device, the hydrogen device is connected with purifying device, hydrogen energy and electricity energy device inlet is connected with the outlet of hydrogen of hydrogen storing device. The invention converts each kinds of compound inorganic substances into simple substance which can be used by microbe by decomposing microbe, and generates hydrogen through high efficiency hydrogen generating microbe. Finally, they are converted into electricity energy in fuel battery. It can realizes the controllable conversion between biology mass-energy and electricity energy. It applies to organic waste water discharging industry process and resource utilization, environment protection process to organic waste and water in city environment protection department and resource utilization, and so on.

The invention relates to a ceramic ecological brick produced by solid waste, and belongs to the solid waste utilizing and new material field. The product is made by using the graphite gangue as the main material and adding wedding agent with a certain rate and utilizes the heat energy generated by the burning of the flammable solid waste to realize the burning of the products. The invention solves the pollution problems of the solid waste and reduces the cost of the ceramic ecological brick by utilizing the solid waste to produce the ceramic ecological brick. The solid waste ceramic ecological brick has good permeability of water and can prevent the road seeper and improve the growth of the ground surface plant. With good moisture retention, the invention is useful for adjusting the temperature and the humidity of the city ground surface, reducing the thermal conductance and having significant meaning to the adjustment of the city atmosphere, the protection of the underground water material and the city environment.

The invention discloses a city environment robot navigation method based on multi-layer probabilistic terrain. The method comprises the steps as follows: firstly, performing scanning, filtering and probability transformation on the terrain by a low-cost laser sensor mounted on a tripod head to obtain randomization point cloud representation under world coordinates, then associating point cloud data with a plurality of corresponding grids with a gridding terrain division method, performing probability fusion on the point cloud data associated in the grids so as to form heap data capable of representing the multi-layer terrain and complete the modeling process of the terrain, and finally, performing traversing performance analysis on the obtained multi-layer probabilistic terrain to form a safe and efficient robot walking path. According to the invention, under the premise of ensuring real-time performance, accurate modeling and navigation on the city terrain environment are realized through randomization treatment and introduction of a multi-layer heap structure, and the city environment robot navigation method has very important economic value and application prospect in related fields such as three-dimensional city navigation service, reconnaissance and rescue and GIS.

The invention discloses an intelligent manhole cover monitoring system based on internet-of-thing technology. The system comprises manhole cover terminal monitors, a data acquisition gateway and cloudplatform management software, wherein each manhole cover terminal monitor is a LoRa-based wireless transmission module. Besides, the system also comprises an inclination angle detector, a pressure-sensitive sensor, a combustible gas detector and a GPS positioning device and the like. The data acquisition gateway is a LoRa node data aggregation gateway. The gateway communicates with the distributed manhole cover terminals through a LoRa wireless network. The cloud platform management software is composed of a series of application software and middleware, and comprises a data communication server, Web platform software and mobile APP software. The data acquisition gateway communicates with the cloud platform software through a TCP/IP protocol. The system is reasonable in design structure,can effectively save manhole cover management cost and reduce occurrence of manhole cover accidents, improves city environment and image and is suitable for popularization.

The invention provides a method for shield expanding construction of a subway station. Working pipes are constructed at the two sides of a shield tunnel by means of the pipe jacking technology, and soil deformation is reduced in the construction process; shield segments are connected with the working pipes to serve as a top supporting pipeline by means of the curved pipe jacking method in a tunnel, a subway station top supporting structure can be formed through one-time excavation, and the construction process is simpler; finally, concrete is injected into the top supporting pipeline, the working pipes and vertical supporting pipes to form a supporting structure for the whole station, and then the shield segments are detached and a second lining of the station and an accessory structure are constructed. The method has the advantages that construction efficiency is high, the process is simple, the influence of station excavation on city environment is reduced greatly, shield subway construction efficiency is improved, construction cost is reduced, the method is adaptable to the shallowly-buried and complicated geological condition of a city, the subway station constructed with the method is high in structural strength, and supporting is safe and reliable.

The invention provides a chemical-biological combination repair method for Cd-B [a] P compound contaminated soil, and the method includes the following steps: A) using 0.6mol/L citric acid solution, 20g/L beta-cyclodextrin solution and 10g/L rhamnolipid solution or any two of the solutions for compounding, using nitric acid or calcium hydroxide to adjust the pH value to 3-6 to prepare an eluent a and an eluent b; according to the chemical-biological combination repair method for the Cd-B [a] P compound contaminated soil, the Cd-B [a] P compound contaminated soil is treated by combination of chemical elution and animal and plant repair, exchangeable state, carbonate bounded state, iron and manganese oxidation state, organic state and B (a) P free dissolved state of Cd in the soil can be obviously removed, the repair method is economical, good in repair effect and suitable for use in restoration of soil in large area Cd-B [a] P compound contaminated sites, while restoration, the city environment is beautified without secondary pollution on soil, and the repair rate can reach more than 92%.

The invention discloses a road surface and obstacle detection method based on forward two-dimensional laser radar mobile scanning, and relates to an environment perception technology of a mobile robotin the city environment. The method comprises the steps that a coordinate system is defined and a coordinate is transformed, scanning spot segmentation is carried out in a radar coordinate system, and a line segment is divided into an obstacle segment and a road surface segment. For the current road area and obstacle detection in the autonomous navigation of an outdoor mobile robot and the unbearable problem of expensive cost caused by adopting three-dimensional laser radar, the line segment is extracted from sensor original data, and then the height and vector of scanning the road surface ateach moment are estimated; and lastly, according to the average height of each line segment and the estimated deviation of the line segment of scanning a road vector, and the line segment is dividedinto a ground and an obstacle part. The road surface and obstacle detection method based on the forward two-dimensional laser radar mobile scanning has the advantages that the method has quick, stableand reliable characteristics, the problem is solved that the three-dimensional radar must be used for environment three-dimensional scanning, and the safety of the navigation of the outdoor mobile robot is improved.

The invention relates to a telescope, in particular to a telescope with an image fusing function and applicable to daytime and night. According to the technical scheme, the telescope is characterized in that a front shell component and a rear shell component are respectively connected with a main shell component, and joints are processed by sealant; lens caps are connected to the front shell component through flat ropes, an infrared lens and a visible-light lens are respectively screwed into the left and right sides of the front shell component, and an infrared detecting component and a low-light-level CCD imaging component are correspondingly mounted in the front shell component. During storage, the lens caps respectively cover the infrared lens and the visible-light lens. During use, the lens caps are taken off. The telescope has the advantages that the telescope has an infrared image mode, a low-light-level image mode and a fused image mode, the details and contour of a target can be seen clearly by the image fusing, and the use effect of the telescope in a city environment at night is identical with that of the telescope in the daytime by the aid of the low-light-level CCD.

The invention discloses a filter method for restraining multipath interference and noise, which assists a code pseudo range by carrier Doppler to restrain multipath and environmental noises. With respect to the fixed filtering windows in the prior art, the filter method provides dynamic regulating filtering windows; the filtering state is entered from a first data; the lengths of the windows are added one by one until the pre-set filtering window lengths are reached. Without any doubt, the method is more flexible and can enter the filtering state rapidly without waiting for the time of a filtering window length. The system is instable at the initial phase of positioning; the positioning point skips greatly; the method can enhance positioning precision at the initial phase and is especially significant to the precise positioning in the situation of serious multipath interference in globe positioning system (GPS) positioning and a city environment with other environmental noises.

An innovated SMART Parking System, PRIN System and an Information System are provided. The PRIN System is able to manage multiple parking lots without range limitation, and deeply monitor the individual parking space status and also driveway status at each parking lot upon the control devices deployed. By the bi-directional communication, the control devices are able to be managed and changed the control methodology for dynamic parking service support. Besides, the Information System can provide the real-time parking service information for either remote or local access to assist the quick parking without spending too much driving and searching time for parking. Therefore, the PRIN System and Information System facilitates the problem solving of traffic jam and difficult parking within the city effectively, and significantly reduce the social cost, vehicle emission and carbon monoxide to improve the air we breathe and city environment we care.