76 results about "Downtown area" patented technology

The invention relates to an energy-saving environmental-friendly multifunctional double-skin facade which belongs to the fields of solar utilization, air purification, noise control and building wall body development. The energy-saving environmental-friendly multifunctional double-skin facade is characterized by comprising two layers of transmission glass, an air heating cavity, a solar radiant heat absorbing plate, a total air inlet, a total inlet guide baffle plate, a lower inlet louver, a lower inlet baffle plate, an upper inlet louver, an upper inlet baffle plate, an air cavity top baffle plate, an intra-wall guide plate, a filtering unit support plate, a porous medium filtering unit, a cross flow fan, a noise elimination net, an outlet louver, an air outlet openness regulating baffle plate, a lower inlet baffle opening and closing control connecting rod, an upper inlet baffle plate opening and closing control connecting rod, a cavity top baffle plate opening and closing control connecting rod, a wall body base, a glass panel fixing frame, and the like. The invention is suitable for supplying fresh air for rooms in buildings in a downtown area with low air quality and large noise, inhibits outdoor noise, creates a silent, healthy and comfortable indoor environment for the rooms of the building, and reduces the energy resource requirements on the buildings.

The invention is applicable to the vehicle navigation field, and provides a parking lot navigation method and a system. The method comprises the following steps: detecting peripheral parking lot information points of the current location of a vehicle to acquire the peripheral parking lot map data information; according to the map data information, calculating the distances between peripheral parking lot locations and the current vehicle location one by one, and screening out the parking lot information points within a detection scope; presenting the parking lot attribute information within the detection scope; and guiding the vehicle to a target parking lot according to the presented parking lot attribute information. The method and the system well solve the problem that a driver cannot discover a parking lot because of being unfamiliar to the peripheral facilities of a destination. The method and the system are particularly suitable for the situation that a driver can discover an available parking lot on a busy section of a downtown area or an area where parking lots are hidden.

The invention discloses a submersed type inspection well which comprises a well cover above the ground as well as a shaft and a well body structure below the well cover, wherein the traditional drainage pipe is arranged below the shaft, a foundation is arranged between the lower end of the shaft and the drainage pipe, and the lower end of the shaft, the upper end of the foundation and the pipe arepoured into a whole; the diameter of the foundation is larger than the outer diameter of the shaft, and the bottom end of the foundation is located below the sheath of the traditional drainage pipe;and the bottom end of the foundation is inwards extended below the traditional drainage pipe. The invention also discloses a construction method for realizing the inspection well, which comprises thefollowing construction stages: (1) placing the inspection well; (2) submersing, joining and measuring the shaft; (3) manufacturing the foundation of the inspection well and communicating the shaft with the traditional drainage pipe; and (4) mounting a shaft cover plate and a ladder. By adopting the structure and the method of the invention, the inspection well is conveniently manufactured by adopting a submersed type construction method so as to be beneficial to carrying out long-distance jacking pipe construction and developing novel prefabricated inspection well structures and convenient for carrying out pipe engineering construction in downtown areas without excavating.

A prefixed advertisement structure which is positioned mainly in downtown areas or places of heavy traffic, belonging to the field of advertisement making effective use of the wall surfaces of a building (1) conspicuous to passersby, etc. and which, in particular, is integrated with a glass sash wall (2) of a building (1). A prefixed advertisement structure integrated with a glass sash wall (2) of a building (1), wherein a advertising site is secured in advance on wall surface of the building in consideration of harmony with the external design of the building (1), providing a source of income from advertisement from the time of completion of the building (1) with an advertising medium attached in advance, and the advertisement structure harmonized with the external design of the building prevents the external appearance of the building (1) from being spoiled and attracts people's attention, thus proving increased advertising effects.

The present invention discloses a method for smooth running at the crossroad and the road structure. In the method a single-layer main bridge and auxiliary bridge of the longitudinal straight-going roadway and the longitudinal reverse-going roadway, and the lower part of the main bridge is arranged with a roadway for the left turning and turning over of the vehicle. The vehicles turning left or turning over are leaded to running through the roadway under the bridge and the auxiliary bridge, and the traversing of the vehicle turning left and turning over through any straight-going roadway is avoided. The invention effectively settles the smooth running problem of vehicle running in different directions at the crossroad. The invention settles the smooth running problem of vehicle running in different directions at the crossroad only with the single-layer overpass, and therefore the invention has the character of low fabricating cost. As the overpass is built on the original transverse roadway and does not take too much area, the invention has the advantage of small accommodation area and is suitable for the roadway at the downtown area.

The invention provides a novel airplane suspension type full-automatic take-off and landing system and a take-off and landing method. The novel airplane suspension type full-automatic take-off and landing system includes a multifunctional airplane suspension rack system and a stereo airplane garage system and belongs to the field of civil aviation. The suspension type full-automatic take-off and landing system is characterized in that: the suspension type full-automatic take-off and landing system includes airplane suspension rods (or airplane hanging rods), airplane suspension hooks (or airplane hanging hooks), cable holding synchronization unmanned aerial vehicles, airplane suspension cables, cable controllers, airplane suspension telescopic arms, airplane suspension telescopic arm wings, airplane suspension bearing arms, an electromagnetic rotation speed accelerating and reducing device, a control tower (or tower arms), airplane suspension racks, airplane garages, an airplane garage controller, a synchronous controller, a full-automatic take-off and landing controller, a control management background and a wireless remote control terminal. Through the novel airplane suspension type full-automatic take-off and landing system and the take-off and landing method, an airplane can take off and land without a runway, and can easily and automatically take off and land; and runways are not required, so that an airport can be built any places such as downtown areas, rooftops in residential areas, and backyards of villas.

Provided is a radar detector for detecting and recognizing, as a control signal, a hand gesture or a motion of a user and transferring the same to a peripheral device. The radar detector utilizes position information of GPS or GLONASS by additionally mounting a GPS receiving unit to the radar detector so as to amend malfunctions of the radar detector in environments in which interference from undesired signals may be received, such as areas of heavy jamming, downtown areas where various signals are generated, etc., and to enable a user to arbitrarily add (or delete) a notification refusal area or a notification area. The radar detector is expected to contribute to safe driving by increasing control convenience of a driver and preventing traffic accidents.

An apparatus for providing a telematics service including an AGPS function. An initial position measuring time of a telematics system is shortened due to the AGPS function of the telematics service, so the telematics service is rapidly provided to a user. Because the telematics system utilizes satellite ephemeris information and user position information, a reception sensitivity of a GPS signal is improved in a downtown area, in which the GPS signal is attenuated. The telematics system includes an AGPS information processing module for rapidly providing the telematics service to the user.

The invention discloses an underground intelligent stereo automatic parking garage built in an urban downtown area. Multiple layers of parking spaces are arranged around an underground lifting well; a lifting compartment can be lifted in the underground lifting well through a lifting mechanism; and an intelligent control and management center for controlling and managing the entire parking pot and a garage access platform are arranged beside the top end of the underground lifting well. Each layer of parking spaces consists of two rows of multiple parking spaces; the two rows of parking spaces are arranged at the two sides of a main channel; the main channel and the parking spaces at the two sides of the main channel form a parking unit; a parking track is mounted in the parking space; a channel track is mounted on the main channel; a lifting compartment track corresponding to the channel track is arranged in the lifting compartment; and an automobile driving device is mounted on the lifting compartment track. The underground intelligent stereo automatic parking garage disclosed by the invention has the advantages that: as an automobile can enter/exit the garage without a driver, the garage saves fuel, reduces emission, is low-carbon and environment-friendly, guarantees the ground green coverage, beautifies environment, increases the green ground of the city and saves land.

The invention belongs to the field of wireless location technology and relates to a BP neural network-based Kalman gain correction method. According to the method, firstly, a mobile direction finding station, GPS equipment and existing radio transmission equipment of GPS-coordinates are respectively arranged in the downtown area, the suburban area and the rural area to obtain training data. Secondly, theoretical angle values and the variance of the measurement values are calculated, and then the above data are filtered based on the MGEKF algorithm to obtain the gain correction factor and the coordinates of a target estimation location for each iteration process. Based on the above data, a BP neural network is trained, so that the BP neural network can be fitted to the correlativity between the measurement values, the variance of the measurement values, the target estimation location, the location of the direction finding station and the gain correction factor. Therefore, the influence of the measurement error on the gain correction result based on the traditional MGEKF algorithm can be reduced. According to the technical scheme of the invention, the relationship between the fitted measurement value of the BP neural network and the gain correction factor thereof is firstly proposed, so that the gain correction error is lowered. Meanwhile, the positioning accuracy of the filtering algorithm is improved.

The invention discloses a parking location monitoring system of an open parking ground, which is used for solving a problem that car owners feel difficult to find parking places in downtown areas. The parking location monitoring system which is provided through combining with an Internet of Things technology comprises a mobile communication monitoring module, a monitoring terminal module, a transmission network module and a wireless sensor network node, wherein the wireless sensor network node transmits the acquired data to a monitoring terminal through the transmission network module, and the monitoring terminal module analyzes and process the data and sends the data to the mobile communication monitoring module through the transmission network module. The system is used for solving the problems of difficult parking and disordered parking, is powered by solar energy, and is electric energy-saving, safe, pollution-free and suitable for being popularized and applied in large scale.

The invention relates to an underground cement-soil steel wall continuous inserting perpendicularity control construction method. The method comprises the following steps of (1), constructing a guidewall; (2), constructing a cement-soil wall; (3), mounting a guide frame; (4), constructing positioning section steel; (5), mounting a lock catch protective sleeve rod; (6), continuously splicing lockcatch section steel; and (7) displacing, constructing the next groove section, and repeated carrying out the steps (1)-(7) to form an underground continuous enclosure. The construction method adopts the guide frame and the positioning section steel for guide control, and combines the continuous splicing process of the lock catch section steel for the real-time vertical and locking control, so thatthe perpendicularity control and the construction quality in the construction process of an underground cement-soil continuous steel wall are ensured. Meanwhile, custom-made section steel segment splicing connection construction is adopted, and the construction method can well solve the problems of narrow construction space, high work efficiency requirement, large construction difficulty and highverticality control requirement, and has great advantages in construction in downtown areas and complex environments.

The invention discloses an immersed tube typeinspection well and a construction method thereof. theimmersed tube type inspection well comprises a pad beam, a wellbore adjustment section disposed on the lower part of a well body,a well chamber, a bottom plate and a cover plate,the well chamber comprises a well chamber upper section of a well chamber lowersection, aflow groovecommunicating a drainage pipeline is formed in the bottom of thewell chamber lowersection; the bottom plate is located below the flow groove; the cover plate is located below the wellbore adjustment section and is connectedto the wellbore adjustment section and the well chamber. The construction method includes the steps of positioning and laying off of the inspection well, road panel seam sawing and breakage, cleaningof road panel slag, leveling a base layer, well chamber installation and sinking, floor and flow groove construction, cover plate and wellbore adjustment section installation, cushionbeam construction, well cover installation and road restoration. The immersed tube type inspection well and the construction method thereof are suitable for the inspection well construction on the straight pipe section of the drainage pipeline of the horizontal directional drilling construction, the bottom plate is embedded with the well chamber througha groove, and the digging operation under a well wall is notrequired, the disturbance to the base formation is small and the waterproof effect is good, construction in silt and silty floury soil and other layers is facilitated, and pipeline engineeringconstruction can be carried out conveniently without excavation in downtown area.

The invention discloses an automatic vehicle parking system which comprises an identifying device, a computing device, a vehicle locking device and a lifting device, wherein the identifying device is used for identifying vehicle owner identity and binding the vehicle owner identity with a distributed parking plot; the computing device is used for placing front wheels of the vehicle and computing wheel radiuses r of the front wheels; the vehicle locking device is used for distributing a lock frame for locking axles of the front wheels according to the wheel radiuses r, obtained by computing, of the front wheels; the lifting device comprises a suspending device; the lifting device is used for clamping, fixing and releasing the vehicle locking device and the suspending device, and lifting the vehicles. According to the automatic vehicle parking system, vehicles such as bicycles and the like are stored with a unified gesture in an overhead suspending mode, so that on one hand, limited sidewalk resources in a downtown area can be prevented from being excessively occupied to the greatest extent, on the other hand, bicycles can be efficiently and quickly parked and got; meanwhile, random parking of bicycles can be effectively avoided, so that the parking is uniform, traffic management is facilitated, and traffic jam is reduced.

The invention relates to a method and a system for purifying air. The method is characterized by comprising the following steps of symmetrically arranging a plurality of groups of air purifying air cylinders around a city, and arranging a high-speed fan group in each air purifying air cylinder for delivering air to the air flowing direction of the city; arranging a circulating water sprinkling system in each air cylinder, sending the polluted air or the haze-containing air into one end of the air cylinder, blowing out of the other end under the action of the corresponding high-speed fan assembly, and purifying the polluted air or the haze-containing air into the clean air containing water steam under the sprinkling function in the air cylinder; enabling the air purifying air cylinder along the upwind direction to continuously deliver the fresh air to the center of the city, enabling the air purifying air cylinder along the downwind direction to continuously suck the polluted air or the haze-containing air of the city into the corresponding air purifying air cylinder, purifying, and sending to the periphery of the city, so as to maintain the cleanness and humidity of the city air after multiple circulating. The method has the advantages that the haze can be removed, and the generation and development of the haze can be prevented.

The present invention relates to a blasting method using a control device for inducing a blast pressure, and a control device for inducing the blast pressure to apply the method. According to the blasting method using the control device for inducing the blast pressure, when a blasting operation is performed at the outermost hole of a tunnel or a wayside or wall surface of a structure constructed at a location in which an adjacent structure of a downtown area is located, a transfer path of the blast pressure is controlled using the control device for inducing the blast pressure so that the blast pressure does not exceed a proposed blast line, but is limitedly transferred into only a blasting area. Thus, a smooth and elegant blasted surface may be secured, and simultaneously, an over-break may be prevented and vibration and noises may be minimized. According to the present invention, since a general inexpensive explosive is loaded into a blasting prevention cover and easily utilized, the general inexpensive explosive may be replaced with an existing expensive precision explosive to significantly reduce blasting costs and improve blasting efficiency, thereby having a large economic impact and useful effects.

The invention provides an offset intersection overpass with a preposed left turning for a crossroad. The overpass comprises a vertical lane, a transverse lane, a traffic lane, a left turning overpass, a left turning overpass entrance and a left turning overpass exit. The overpass is characterized in that the left turning overpass entrance of the vertical lane is elevated at the preposed position, an S-shaped turning spans the reverse traffic lane in the front of an exit of a reverse left turning overpass to move forwards along the sideway, an arc turning spans the reverse traffic lane of the transverse lane, and a downgrade is merged into a forward inside traffic lane; and left turning overpasses in other three directions are erected in the same mode. Compared with the prior art, the overpass with the preposed left turning for the crossroad has the advantages of compact integral structure, complete single layer, small influence to visual transparency and peripheral environment, low climbing slope for vehicles, less detour and small occupied floor area and space, is particularly applicable for urban central areas, downtown areas and landscape areas which require to improve the traffic speed but are deficient in dimensional elasticity. Therefore, the overpass has high popularization value.

A subsurface deep space parking well structure for a soft soil foundation is characterized in that single-axis or multi-axis cement stirring piles or SMW construction method piles with the pile diameter being 0.5 m to 1.2 m and the pile length exceeding the parking well depth by 1 m to 10 m serve as a peripheral stopping water curtain, drilling cast-in-place piles or occlusive piles with the pile diameter being 0.7 m to 1.5 m and the pile length exceeding the parking well depth by 8 m to 30 m serve as an outer wall, a reinforced concrete inner wall with the thickness of 0.3 m to 0.8 m is poured in a segmented form erecting manner from top to bottom or from bottom to top, the well bottom is a reinforced concrete bottom plate or plain concrete bottom sealing layer, the plane is of a square or rectangular well structure, and a stopping water belt composed of cement stirring piles or high-pressure rotary spraying piles being 5 m to 10 m is laid below the bottom seal layer. Compared with the prior art, the structure is used in the urban downtown areas with the national coastal soft soil area, and the beneficial effects that the well bottom soil layer is free of upwelling, the needed construction site is small, construction equipment is simple, the construction speed is high, engineering cost is low, and water leakage is avoided are achieved.

The invention relates to a large-traffic-volume three-dimensional interchange shunt system at a downtown area intersection, which has the characteristics of high traffic capacity, free interference of motor vehicles, non-motor vehicles and pedestrians and safe pass. According to the technical scheme, the large-traffic-volume three-dimensional interchange shunt system at the downtown area intersection comprises a cross road, and is characterized in that an arterial traffic is divided into a through lane and a side lane on the right side of the through lane, and the through lane spans over collector streets through a top straddle bridge at the cross road, so that barrier-free pass is guaranteed; an underground turntable road passage system is constructed under the ground of the cross road and comprises a circular truncated cone in the center and a turntable type underground channel around the periphery of the circular truncated cone; the side lane is communicated with the turntable type underground channel of the underground passage system through a primary tunnel portal; the collector streets are communicated with the turntable type underground channel of the underground passage system through a secondary tunnel portal; and the cross road is a free passage intersection for non-motor vehicles and pedestrians.

The invention discloses a rearview mirror with a front viewing function and a vehicle with the rearview mirror. The rearview mirror with the front viewing function comprises a support, a rotating arm, a rearview mirror shell and a first adjusting device; the support is installed on a vehicle body; the first end of the rotating arm is rotatably installed on the support, and the rotating arm can be unfolded or folded relative to the vehicle body; the rearview mirror shell is arranged at the second end of the rotating arm; the first adjusting device is arranged between the rearview mirror shell and the rotating arm and can adjust the orientation of the mirror face of the rearview mirror shell from the back to front and reset the orientation of the mirror face from the front to the back. According to the rearview mirror, when parking or driving or turning is carried out in narrow places such as a parking lot and a downtown area, the orientation of the mirror face of the rearview mirror shell can be adjusted from the back to the front, and therefore a driver can conveniently observe obstacles on the two sides of the vehicle body to avoid the obstacles; when normal driving is carried out, the orientation of the mirror face is reset to the back, operation is easy, and the improvement cost is low.

The present invention relates to an air compression type engine for aviation. The conventional aircraft engine is complicated in structure, consumes expensive aero fuel, and produces extremely loud noise during operation. Therefore, the present invention employs a turbo-charged air compressor to generate high temperature and high pressure gas in the pressure chamber, and uses the reaction thrust force generated by ejecting the compressed air through the nozzle to make the aircraft vertically take off/land, suspend in the air and fly forwardly. Benefited from the simple structure, the manufacture cost of the aircraft engine can be dramatically decreased. Vertically raising and landing the aircraft can be achieved by changing the ejection directed of the compressed air in the pressure chamber. The commonly used gasoline or diesel, which is cost saving and capable of combusting with a high combustion value, can be used instead of the expensive aviation kerosene. Further, the generated noise is quite small. By means of above arrangement, it is possible to manufacture a jet type manned craft like a car, which can be operated by common people to vertically take off/land and shuttle conveniently in the downtown area through simple operation procedure.

The invention provides a low-noise house alteration beam and slab dismantling method. By erecting a reliable steel pipe scaffold unloading platform under beams and slabs to be dismantled, abutting against the platform with wooden wedge blocks, effective unloading is achieved, in-site construction load transfer is ensured, and adverse disturbance is not produced to surrounding retained members; secondly, a cutting machine is utilized to execute high-speed motion under the driving of a motor, executes high-speed steel bar and concrete grinding and cutting along designated tracks and routes and accordingly completes vibration-free accurate cutting of reinforced concrete beam plates; finally, to-be-cut slab upper-layer main beams are used as hoisting support points, simple devices such as a chain hoist are adopted to hoist cut concrete blocks from an original structure to a bottom layer and then transport the blocks to designated places to complete concrete block crushing and solve the technical problem that existing house alteration beam and slab dismantling operation is low in efficiency, long in construction period, large in dust amount, high in noise and disturbs residents in a downtown area due to construction.

The invention provides a structure suitable for a large diameter underground vertical shaft type parking garage and a construction method of the structure. The parking garage structure includes a plurality of high-pressure jet grouting piles, reinforced concrete filling piles and garage inner walls, wherein the high-pressure jet grouting piles are circumferentially arranged along the inner wall ofan underground vertical shaft, the reinforced concrete filling piles are arranged between two adjacent high-pressure jet grouting piles and face towards the inner side of the underground vertical shaft, and the garage inner walls are arranged on the inner sides of the reinforced concrete filling piles; and wherein a plurality of vertical columns extending to the reinforced concrete shaft bottom are arranged in the circumferential direction of the position where the underground vertical shaft and the garage inner walls are concentric circles, the vertical columns are connected with the garageinner walls through a plurality of horizontal supporting rod pieces in the vertical direction, and the upper and lower adjacent horizontal supporting rod pieces are connected through inclined rods. The construction method is based on the parking garage structure, a fabricated reverse order construction method is adopted, and construction is convenient; and an underground vertical shaft type parking garage makes full use of underground space, is used for solving the problem of parking difficulty in prosperous downtown areas and old residential areas, and the aboveground part of the vertical shaft type parking garage is only for vehicle entrance and exit, and land conservation is achieved.