873results about How to "Avoid crowding" patented technology

Exemplary embodiments of the present invention relate to a including a substrate, a first conductive type semiconductor layer arranged on the substrate, a second conductive type semiconductor layer arranged on the first conductive type semiconductor layer, an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, a first electrode pad electrically connected to the first conductive type semiconductor layer, a second electrode pad arranged on the second conductive type semiconductor layer, an insulation layer disposed between the second conductive type semiconductor layer and the second electrode pad, and at least one upper extension electrically connected to the second electrode pad, the at least one upper extension being electrically connected to the second conductive type semiconductor layer.

An area traffic management system operated by the display panel induction and the area control, relates to a information processing technique, which main comprises an area traffic information collector, an area traffic manager, an area traffic induction decision device, an area traffic control decision device, an area traffic information transmission system, a variable information display panel and a signal controlling machine. The system obtains the area traffic information in good time, performs the automatic analysis process on the collected traffic information, performs the traffic information induction hint to the traffic participants, meanwhile performs the traffic control, effectively solves the area traffic congestion, to make the urban traffic smooth.

The invention discloses a network-connected vehicle positioning method based on a 3D laser radar and V2X. The method comprises the following steps of using a laser radar installed on a network-connected vehicle to scan an environment around a network-connected vehicle so as to obtain radar data; preprocessing the radar data, acquiring preprocessed laser point cloud data, converting the point clouddata to a network-connected vehicle coordinate system, and then, according to the density change characteristic of a radar point in the point cloud data, using a raster map to carry out point cloud segmentation so as to realize the separation of a pavement and barriers; carrying out the clustering of the barriers, acquiring a radar point set corresponding to each barrier, and then obtaining the contour of the barrier, then carrying out linear fitting to obtain the shape of the barrier, and combining the size of the barrier to realize barrier identification; and finally, realizing the exchangeof barrier information among other network-connected vehicles through a V2X module. In the invention, a problem that an existing vehicle positioning method has low accuracy and poor reliability is solved, and simultaneously problems that a requirement to the speed of a mobile communication network is high and cost is high are alleviated.

The invention provides an emergency early warning method for stampede accident in a public area, the method comprises the steps: picture or video information of people flow in the public area is shot in real time and sent to a local police station monitoring center; the picture or video information is converted into people flow data information and a people density value in the local police station monitoring center; and a substation management server can process the people flow data information and the people density value and judges the actions of alarming. According to the invention, public area precise number of people can be counted according to people flow data of public area inlet and outlet or passageway and people density value of public area, the counted public area precise number of people can be analyzed in real time, if the value reaches a preset alarm threshold value, the police who manage the substation management server can be timely notified, so that the urgent evacuation can be realized, the stampede accident can be avoided; and the method can comprehensively monitor people flow in public area and precisely count number data of people, the jam condition can be avoided, and the practicability is strong.

The invention discloses a flip-chip LED chip structure and a manufacturing method thereof. The LED chip comprises an epitaxial layer taking sapphire as substrate and an electrode layer taking SiO2 / Si as substrate; holes of periodical structure are etched on the front surface of the sapphire substrate, and random patterns are etched on the back surface; a growth buffer layer, an n type GaN layer (n-GaN), an MQWs (multi quantum wells) layer and a p type GaN layer (p-GaN) are successively grown on the sapphire substrate etched with holes as the epitaxial layer; one or more negative electrode grooves are etched on the p type GaN layer (p-GaN); a p type contact layer is sputtered on the p type GaN layer (p-GaN); an n type ohmic contact layer is electroplated on the n type GaN layer (n-GaN) exposed after etching; titanium (Ti), platinum (Pt) and aurum (Au) are successively deposited on the SiO2 / Si substrate as an electrode layer; the electrode distribution on the electrode layer is coincident with that on the etched epitaxial layer; and the LED chip is formed by bonding the epitaxial layer on the front surface of the sapphire substrate and the electrode layer on the SiO2 / Si substrate with Au solder. The structure has the advantages of stable performance, high utilization rate of electric energy and long service life.

The invention discloses a water heater with a function of self removing scale of a heat preservation container and heating rods. The water heater comprises a shell and the heat preservation containerarranged in the shell, wherein the two heating rods are horizontally installed on the inner side wall of the heat preservation container; the water heater is characterized in that a reciprocating screw rod is rotationally connected between the centers of the left end surface and the right end surface of the heat preservation container, a water inlet pipe is arranged at the upper end of the shell,an impeller is fixedly connected to the outer side of the reciprocating screw rod in a sleeved mode, a water flow input by the water inlet pipe impacts the impeller and drives the reciprocating screwrod to rotate, a lead screw nut is installed on the reciprocating screw rod, the side wall of the lead screw nut is perpendicular to and fixedly connected with connecting rods, the outer ends of the two connecting rods are connected with the same fixing ring, and an annular groove is formed in the outer ring wall of the fixing ring in the circumferential direction of the fixing ring. According tothe water heater, the concept is novel, scale removing can be carried out on the surface of the water heater heat preservation container and the surfaces of the heating rods after water heating through the water heater every time, so that the heating efficiency and the heat preservation effect of the water heater are guaranteed.

The invention discloses a highway tolling method, device, apparatus and storage medium. The method comprises the steps of acquiring the vehicle information of a vehicle when the vehicle is detected toenter a lane; inquiring the vehicle information of the vehicle in a registered user whitelist table, and determining whether the vehicle is a valid registration user vehicle or not according to the query result; if yes, sending a release instruction, and meanwhile, calculating the toll corresponding to the vehicle; and generating a charging request according to the toll, and initiating a paymentto a payment account corresponding to the vehicle. According to the invention, a non-stop charging mode is realized, and a user can settle the fee after passing, so that waste of time in the chargingprocess and congestion on traffic are avoided, convenience is improved, and the user experience is improved.

A construction method of cast-in-situ pile by use of the whole sleeve pipe and taking soil out in large-diameter vibration mode features that the internal and external sleeve pipes are used as the tool for forming hole and taking soil out, the MF or HF vibrating hammer with great vibration exciting force plus pressurizing and water lubricating are used to greatly increase the power of sinking pipe and soil taking unit to pass through foundation, after the external pipe is sunk in foundation the reinforcing bar cage is put in it and concrete is filled in it, and the external pipe is finally pulled up under the action of said vibrating hammer.

This invention discloses a carrying guidance system in the route optimum domain, which comprises the following steps: establishing a biparametric path unit standard dynamic file; considering the path rational constrained and joint failure constrained; using the method of heuristics weight to establish the optional path set off line; improving A* heuristics function to increase the efficiency of optional path set which satisfies the customer rational constrained and joint failure constrained; Off-line optional path set coded storing and backtrack on line; screening of on-line dynamic path, supplementary searching and multiple path issue.

The invention discloses a device for breaking walnut shells and taking walnut kernels, having functions of self-positioning, pre-breaking shells, equidirectional spiral self-grading and flexible extrusion. The device comprises an intermittent feeding device, the a shell pre-breaking device, a flexible shell breaking device and a separating device, which are fixed on a machine frame, wherein the intermittent feeding device is used for performing intermittent batch feeding for the shell pre-breaking device; the shell pre-breaking device comprises an extruding part and a blanking part which are mutually matched; the extruding part is in reciprocating movement, and is matched with the blanking part for extruding walnuts, so that cracks are generated in the walnuts; the blanking part is in reciprocating movement, so that the extruded walnuts fall off to the flexible shell breaking device; the flexible shell breaking device is used for breaking walnut shells; and shells and kernels of the walnuts after shell breaking are separated for storage through the separating device. The device disclosed by the invention integrates a plurality of systems, and is compact in structure, the manufacturing cost of a machine is reduced, the occupied space for the operation of the machine is also reduced, and the miniaturization and the high efficiency of the machine are facilitated; in structure design, multiple connections including splicing, combining and the like for cooperating work can be realized; and the requirements of various production scales and the requirements of various production sites can be met, and the device is also suitable for families, and is widely applied.

The invention provides a stationary shoulder friction stir welding device for variable-angle fillet joints. The stationary shoulder friction stir welding device comprises a stationary shoulder stirring head and a matched platform capable of changing the fillet weld angle and fixing a to-be-welded workpiece. The stationary shoulder stirring head comprises a stirring pin, a stationary shoulder, a rigid connecting device and a sealing stacking ring, wherein the stationary shoulder is connected with a spindle of a friction stir welding machine through rigid fixation, and the stainless steel sealing stacking ring is arranged between the stirring pin and the stationary shoulder and used for preventing aluminum alloy from being squeezed into a gap between the stationary shoulder and the stirringpin in the welding process. The platform capable of fixing the to-be-welded workpiece comprises a base plate for supporting an aluminum alloy plate, a semicircular sliding block capable of changing the inclination angle, pressing plates for fixing the sliding block, a base for supporting the sliding block, and a workbench with T-shaped grooves. According to fillet welds with different thicknessesand different angles, welding can be carried out only by adjusting the angles of the stationary shoulder and the base plate, and thus the time and cost for replacing the platform capable of fixing theto-be-welded workpiece when fillet welds with different angles are welded are avoided.

The invention discloses a cooperative control method of a left-opened-door bus special phase setting and social traffic flow, which comprises the following steps: setting a bus station and a stereo facility which help pedestrians to cross a street; detecting a bus; determining the running time of the bus; determining a signal phase of the bus which drives through an intersection; and setting the bus special phase and a cooperative control plan. According to the invention, the bus stations in two directions are combined and placed at a median strip of the intersection, so that not only the land is saved, but also the bus station points are easier to recognize, and meanwhile, a new concept for planning and constructing of a public transit network is provided, that is, the public transit network is connected based on the bus stations arranged at intersections. With the adoption of the method, the situation that the bus does not stop at an intersection without a bus station while stops at an intersection with a bus station can be basically realized, so that passengers waiting for a long time at an intersection with a bus station can be avoided, thereby shortening the whole driving time of the bus and improving the whole operation efficiency of the bus system. Moreover, the method is functioned as the cooperation of the social traffic flow, so that the passing efficiency of the whole intersections is guaranteed.

The invention discloses an automatic production system for highly-efficient walnut shell breaking and kernel obtaining and shell-kernel separation, and the automatic production system solves problemsthat the existing walnut shell breaking device can not adapt to walnuts in different sizes, and the shell breaking rate and the shell breaking efficiency can not be guaranteed. The automatic production system is capable of realizing highly-efficient shell breaking and kernel obtaining and shell-kernel separation for walnuts in different varieties, high in production rate and automation degree, improved in whole kernel rate and kernel obtaining rate, reduced in damage rate of walnut kernels and capable of ensuring high efficiency of shell breaking and thoroughness degree of shell-kernel separation. A technical scheme of the automatic production system is that: the automatic production system includes a shell breaking device: extruding components are arranged to extrude and break walnut shells; a walnut kernel vibrating and grading device: receiving shell-kernel mixture after shell breaking, subjecting the shell-kernel mixture to vibrating and grading, and conveying the graded shell-kernel mixture to each negative pressure shaking and sorting device, respectively; and the negative pressure shaking and sorting devices are connected to a negative pressure separation device, the negative pressure separation device sucks and stores the walnut shells through negative pressure suction force, and the walnut kernels are classified and stored through the negative pressure shaking and sorting devices.

A semiconductor power device has a semiconductor body with a first conductivity type. A trench extends in the semiconductor body and accommodates an insulating structure, which extends along the side walls and bottom of the trench. The insulating structure surrounds a conductive region, arranged on the bottom of the trench, and a gate region, arranged on top of the conductive region, the conductive region and the gate region being electrically insulated by an insulating layer. A body region, with a second conductivity type, extends within the semiconductor body, at the sides of the trench, and a source region, with the first conductivity type, extends within the semiconductor body, at the sides of the trench and within the body region. The conductive region and the gate region are both of polycrystalline silicon but have different conductivities and doping levels so as to have different electrical characteristics such as to improve the static and dynamic behaviour of the device.

The invention aims at providing a multi-AGV path planning method and device. The invention focuses on a sorting peak value and sorting efficiency optimization of a large-scale AGV express delivery sorting system. Based on a traditional A* path planning algorithm, a path search algorithm with automatic smoothing is obtained through improvement. In the improved algorithm, turning time is mapped to ahorizontal distance, AGV turning time is fully considered, the number of turns of a route is reduced, a peak value sorting amount and sorting efficiency of a site are increased, and the effectivenessof the algorithm is verified. Improvement is performed based on the improved A* algorithm, a congestion degree is introduced to solve a congestion problem, congestion can be effectively avoided to acertain extent, an AGV saturation value of the site is increased, and the sorting peak value of the site is improved so that the site can be fully used. Aiming at path planning of a large-scale AGV inthe express delivery sorting system, the sorting efficiency of a system and a peak sorting amount of the site can be increased.

The invention discloses a WIFI device positioning tracking system used for retail industry. The WIFI device positioning tracking system comprises a database which is used for storing customer information and data analysis information; a server which is connected with the database and multiple relay stations and used for analyzing a WIFI position; the multiple relay stations with WIFI which are connected with each WIFI device within the located area range so that the position is determined; and the multiple WIFI devices with installation of application programs. The invention discloses a positioning tracking method comprising that: (1) each relay station searches the WIFI devices in an administration area; (2) the position and stay time of each WIFI device are sent to the server; and (3) data analysis is performed by the server, and then data are stored in the database. The aforementioned steps are performed in a cycle way. Retail industry customers can be conveniently positioned and tracked so that various valuable data can be analyzed and researched, tracking of the specific customers is realized, exhibition section sales volume classification is realized, the customers are dredged according to customer flow rate, and shopping guidance is realized according to areas.

The invention provides a device and a method for querying subway passenger distribution and a full rate in real time. The device comprises a camera arranged at the top of the middle of a carriage, an embedded main control unit, a screen in the carriage and a screen in a subway station, and the camera is connected with the embedded main control unit; the embedded main control unit is directly connected with the screen in the carriage and displays information on the screen in the carriage through a communication network; the passenger distribution condition and the congestion degree of the current subway carriage can be queried in real time; the device provided by the invention can not only query the passenger distribution condition and the congestion degree of the current subway carriage, but also can query the historical passenger distribution condition and the congestion degree; and the device can not only query before on board and can also query in the carriage.

The invention relates to an automatic parking guiding device, comprising a parking lot, wherein a plurality of parking spaces are arranged in the parking lot, a lifting type automatic ground lock and an infrared probe are installed in each parking space, the infrared probe is used for detecting whether an object signal is available above the lifting type automatic ground lock and transmitting the object signal to a guiding host, an RFID (Radio Frequency Identification Device) label is placed on a vehicle, a plurality of RFID antennae and an electric guiding plate are arranged in the parking lot, the RFID antennae are used for reading an RFID label signal on the vehicle and then transmitting the RFID label signal to the guiding host, and the guiding host is used for driving the electric guiding plate to display information and controlling locking and unlocking of the lifting type automatic ground lock according to the RFID label signal on the vehicle, read by the RFID antennae, and a detection signal of the infrared probe. According to the automatic parking guiding device, the problem that many vehicles drive up to one parking space can be avoided, and the flow rate congestion and the route jamming of the parking lot are avoided.

The invention relates to a planar inductive component arranged over a substrate ( 103 ). The substrate in a first plane, a patterned ground shield ( 102 ), for shielding the winding ( 101 ) from the substrate ( 103 ). The winding ( 101 ) is at least substantially symmetrical plane. The patterned ground shield ( 102 ) comprises a plurality of electrical conductive first tracks ( 105 ) situated in a first ground shield plane in parallel with the first plane. The first tracks have an orientation perpendicular to the mirror plane ( 104 ). Without the patterned ground shield ( 102 ) the winding ( 101 ) is capacitively coupled to the substrate ( 103 ). The substrate resistance results in a degradation of the quality factor of the inductive component ( 100 ). The patterned ground shield ( 102 ) shields the winding ( 101 ) from the substrate ( 103 ), thereby eliminating the degrading effect of the substrate. To prevent a reduction in the effective self inductance of the planar inductive component loop currents have to be prevented in the patterned ground shield, while at the same time transfer of charges induced in the mirrored halves of the winding ( 100 ) have to be facilitated. This is achieved by the first tracks ( 105 ).

The invention discloses an urban intelligent transportation query system based on the internet of things. The system comprises an intelligent transportation management service center, a group of base stations, a group of intelligent stop board terminals, a group of vehicle-mounted terminals, and a group of handheld terminals. The intelligent transportation management service center is formed by a plurality of data servers and management servers, and a Web server is constructed. The base stations and the intelligent stop board terminals are respectively communicated with the intelligent transportation management service center, the vehicle-mounted terminals are respectively communicated with the base stations and the intelligent stop board terminals, and the handheld terminal are communicated with the intelligent transportation management service center. According to the urban intelligent transportation query system, real-time query can be carried out according to departure places and destinations anytime and anywhere through the portable type handheld terminals, and trip choices are provided by the system according to real-time road condition information and vehicle condition information; and query ahead of schedule can also be carried out, and trip advices are provided by the system according to historical road condition information and vehicle condition information.

The invention, which belongs to the technical field of urban intelligent traffic management, particularly relates to a signalling-unit-based adaptive optimization control system at least comprising a traffic flow data collection service, a traffic flow calculation analysis service unit, a traffic signal control service unit and a traffic control platform. With the system, while a road traffic flow is monitored in real time, an on-line control and dredge effect for the road traffic can be realized, thereby realizing an intelligent and real-time traffic dredge and control effect and thus distributing traffic resources reasonably. Therefore, an objective that an intelligent city can be realized by strengthening the police based on technology can be achieved.

The invention provides a public area congestion and stampede emergency early-warning system, which comprises a substation management server, an algorithm server arranged at a police station monitoring center, and a plurality of monitoring terminals, wherein the substation management server and the monitoring terminals are in communication with the algorithm server. The public area congestion and stampede emergency early-warning system provided by the system can count an accurate number of people in a public area according to people flow data detected by the monitoring terminals at entrances and exits or passageways of the public area as well as a people flow density value detected by the monitoring terminals in the public area; in addition, the public area congestion and stampede emergency early-warning system can analyze the counted accurate number of people in the public area in real time, and can notify the police of the substation management server timely when an alarm threshold value set by a user is reached, so as to achieve emergency evacuation and avoid the occurrence of congestion and stampede; and the system can perform overall monitoring on people flow in the public area, counts data about the number of people accurately, avoids the occurrence of congestion, and is high in practicability.

A rotary engine has a rotor that has rockers pivoting in chambers. As each rocker pivots, it rotates an outer crankshaft. Each outer crankshaft has a spur gear that engages a stationary ring gear. Spur gear rotation causes the gears and the outer crankshafts to revolve around the ring gear. This cause the rotor to rotate. As the rotor rotates, successive chambers are positioned at the intake, compression, ignition, and exhaust positions. Igniting the fuel in the ignition position pushes the rocker inward to rotate the outer crankshaft associated with that rocker to cause the rotor to rotate.

The invention provides an application program updating method and terminal equipment. The application program updating method comprises the following steps: detecting a screen state of the terminal equipment and a wireless network access state of the terminal equipment; if the terminal equipment successfully accesses the wireless network and the screen state of the terminal equipment is a screen locking state, detecting whether the terminal equipment has an application program to be updated or not; if the terminal equipment has the application program to be updated, acquiring updating information of the application program to be updated, and updating the application program to be updated. According to the application program updating method, whether a terminal is used by a user or not is judged by detecting the screen state of the terminal, and the network access state of the terminal is judged by detecting the wireless network access state of the terminal equipment, so that the application program can be updated when the terminal is not used by the user, the situation that the bandwidth is occupied when the application program is updated while the terminal is used by the user can be avoided, and known influence to the user can be reduced to the minimum level in the updating process.

Exemplary embodiments of the present invention relate to a including a substrate, a first conductive type semiconductor layer arranged on the substrate, a second conductive type semiconductor layer arranged on the first conductive type semiconductor layer, an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, a first electrode pad electrically connected to the first conductive type semiconductor layer, a second electrode pad arranged on the second conductive type semiconductor layer, an insulation layer disposed between the second conductive type semiconductor layer and the second electrode pad, and at least one upper extension electrically connected to the second electrode pad, the at least one upper extension being electrically connected to the second conductive type semiconductor layer.

The invention relates to a system for managing automatic ticketing. The system comprises a ticketing management and control center module, an information database module and a booking terminal sub system, wherein the ticketing management and control center module is connected with the information database module and the booking terminal sub system respectively. The invention also relates to a method for managing automatic ticketing based on the system. By the system and the method for managing automatic ticketing, the risks in network congestion and system paralysis during ticketing can be avoided, the queuing ticketing mode is kept, and fairness is embodied; due to a mode that a main password and an auxiliary password produce similar real-name ticketing, behaviors of reselling tickets can be prevented effectively; by automatic ticketing of the system, tickets returned by others can be sold immediately, so that effective selling proportion of tickets can be increased, ticketing at any time anywhere can be realized, network flow and system resources are saved, ticketing complexity is reduced and ticketing success rate is increased; furthermore, the working performance is stable and reliable, the applicability range is wide, and a great convenience is provided for working and living of people.

The invention discloses a vehicle diverging traffic light and application thereof. The invention belongs to the traffic control field. According to the technical proposal of the invention, a first basic structure of the traffic light consists of a strip-shaped light, an arrowhead light and a dish-shaped light, wherein, four light bodies are manufactured to constitute a main light body for turningaround, turning left, driving straight ahead and turning right. A second basic structure is that the arrowhead light is manufactured into two light bodies for turning left and driving straight ahead.A third basic structure consists of a human-shaped light, a vehicle-shaped light, a left light and a right light, wherein, a walking and pushing vehicle and two front light bodies constitute an auxiliary light body. The lights are controlled by switches and six basic signal sources can be provided, thus forming a whole or separate vehicle diverging traffic light. The application signal of the traffic light can classify, diverge and control vehicles at intersections of urban highway through signals. The vehicles can be forced to diverge at peaks; divergence of vehicles can be controlled in a normal period; the vehicles drive naturally in a depressed period. In addition, the invention provides a novel signal option for intelligent or remote control of divergence and passing of vehicles, thus improving the passing security and capability of road intersections.

The invention provides an intelligent identification system which comprises a conveyer device for conveying luggage, an X-ray image obtaining device for obtaining X-ray images of the luggage, an automatic image comparing and determining device which compares the X-ray images of the luggage with images in a database to determine whether the luggage contains prohibited goods, and a labeling device which pastes an electronic label on the luggage containing prohibited goods. Luggage containing prohibited articles is automatically identified at exit / entry ports, thereby reducing the workload of a safety checking worker, improving work efficiency and passing rate of security checkpoints, effectively preventing crowding of exit / entry at public places, and saving waiting time of passengers.