487results about How to "The effect is positive and obvious" patented technology

A visual inspection system for flatness of an aluminum plate, comprising a camera and a laser light source, the optical axis of the camera lens forms an angle with the movement plane of the aluminum plate transmission line, the laser light source and the camera are arranged on the same side of the movement plane of the aluminum plate transmission line, and the projection direction of the laser light source is in line with the movement plane of the aluminum plate transmission line The movement plane of the aluminum plate transmission line is at an included angle. The laser light source projects a straight line laser to the aluminum plate on the aluminum plate transmission line. The camera captures the laser projection line on the aluminum plate. According to the bending degree of the laser projection line in the camera, the height change of the aluminum plate plane is judged. The laser projects a straight line from an oblique angle on the plane of the aluminum plate, and detects the degree of curvature of each point of the line in the captured image to obtain the change in height at that point. When the entire aluminum plate is scanned once, the height fluctuation of the entire plane can be obtained. . Compared with the plane of the standard aluminum plate, the area of ​​height change can be obtained to determine whether the flatness of the aluminum plate meets the requirements of process production. According to the inspection results, a qualified or unqualified signal is given.

The invention discloses a pedestrian red light running video detection method based on Davinci architecture. The method comprises the following steps of: acquiring a traffic light signal from an intersection traffic signal light controller by utilizing a core board DM6446 in the process of acquiring the pedestrian path image information by utilizing a camera, distinguishing an object in a target area in the pedestrian path image information acquired in the pedestrian path red light time, identifying the pedestrians in the target area in the pedestrian path image information acquired in the pedestrian path red light time by an image registration processing and image morphology algorithm processing; and finally, judging whether the pedestrians run the red light, performing snapshot on the pedestrians who run the red light, recording the regulation violation time, the height, bodily form and face characteristic information of a violator, and storing the red light running process. The portrait discrimination technology is utilized, the pedestrian red light running phenomenon is automatically determined and the warning is transmitted, the picture information of the violator is recorded, a technical support is provided for penalty for violation of regulation and information statistics, the pedestrian red light running phenomenon is reduced, and the traffic accidents are reduced.

The invention discloses a sludge stirring and granulating rotary drying device, which consists of a base, a rotary drum, a feeding device, a stirring shaft, a discharging box, a driving device and a control box. The front end in the rotary drum is provided with a guiding screw; two ends of the rotary drum are respectively provided with a flue gas inlet and a flue gas outlet; the base is provided with a lifting bracket on which the rotary drum, the feeding device, the stirring shaft and the discharging box are arranged; the stirring shaft and the rotary drum are eccentrically arranged; a plurality of mixing blades are arranged along the axial direction of the stirring shaft; and the inner wall of the rotary drum is provided with a shovelling plate. The lifting bracket is convenient to adjust the tilt angle of the rotary drum so as to adjust the retention period of materials in the drum and the moisture content of dry sludge; the stirring shaft is provided with the stirring blades to serve as a stirring and granulating device, and the wall of the rotary drum is provided with the shovelling plate, so the problem that the sludge is caked and sticks to the wall in the drying process is solved; and the produced sludge granules are uniform, and are suitable to be burnt and used as building materials and the like.

The invention discloses an integrated method and device for sludge drying incineration and power generation. The device of the invention comprises a screw rotary type sludge drier; dried sludge enters a fluidized bed boiler to be performed with incineration; steam generated by incineration is used for carrying out power generation; exhaust steam from a small steam turbine is adopted to dry the sludge, thereby realizing cascade utilization of steam heat energy; the electric energy generated by a small generator set can sufficiently meet power utilization in the operation of equipment, thus reducing the operating cost and fully saving energy; and sludge drying incineration and power generation are integrated into a whole. In the invention, the screw rotary type sludge drier is used for feeding the fluidized bed incineration boiler, the steam generated by incineration is used for carrying out power generation, and the low-grade exhaust steam from the steam turbine is adopted as the heat source of the drier, thereby greatly improving the heat efficiency of a steam power device; meantime, the electric energy generated by the small generator set can sufficiently meet power utilization in the operation of the equipment, thus reducing the operating cost; and with the integration design, the system has reasonable and compact connection of the integrated device, mature equipment structure and better economical efficiency.

A reconfigurable antenna is used in the technical field of the wireless communication. The antenna comprises three antenna radiation units, a grounding plate, a feeding port, a medium plate, five radio frequency switches, a switch controller and an ordinary connecting wire. The antenna radiation units are concentric circular sheets and circular rings which are positioned on the same side of the medium plate. The feeding port is connected with a center radiation unit of each antenna radiation unit. The five radio frequency switches are connected with the three radiation units. The ordinary connecting wire respectively connects the radio frequency switches with the switch controller, so that the connection or the disconnection of each radio frequency switch can be controlled through the switch controller, thereby changing different connection states among the three radiation units and realizing the work of the antenna in different frequency bands, namely frequency reconfiguration. The reconfigurable antenna is used for sending and receiving electromagnetic waves, and has simple structure, small volume of the whole structure, and wide reconfigured frequency band; and the control of working frequency can be realized through digital coding.

A method for preparing a tubular ceramic membrane for oil-water separation includes the steps of selecting an aluminum oxide ceramic membrane tube with the initial bubble point larger than 0.5Mpa as a base body, coating a layer of fluorine-contained or silicone-contained membrane preparing liquid on the base body, and placing the ceramic membrane tube which undergoes the coating procedure into a drying oven to be dried, wherein parameters in the coating procedure include the flow velocity, ranging from 1m/s to 5m/s, of the membrane preparing liquid, the inlet and outlet pressure difference, ranging from 0.1MPa to 0.2MPa , of the membrane tube and the flow coating time ranging from 5 seconds to 60 seconds, the temperature in the drying oven ranges from 50 DEG C to 150 DEG C, and the drying time ranges from 1 hour to 18 hours. The product obtained through the method is suitable for an oil-water separation system with the oil content higher than 70%, and the water content in an oil phase obtained through oil-water separation can reach less than 200ppm.

The invention discloses anacardol glycidyl ether modified aliphatic amine hardener which is synthesized by anacardol glycidyl ether and aliphatic amine, wherein the weight ratio of the anacardol glycidyl ether to the aliphatic amine is 80:60-20:40. The invention further provides a preparation method of the anacardol glycidyl ether modified aliphatic amine hardener. According to the preparation method of the anacardol glycidyl ether modified aliphatic amine hardener, the the anacardol glycidyl ether and the aliphatic amine are obtained according to the weight percentage, and then the aliphatic amine is put into a reaction still and is heated to the temperature of 55-70 DEG C, the anacardol glycidyl ether is added into the reaction still for 1-3 hours under the stirring condition of 600-800 circles / minute, and stirring and reaction are carried out for 3-4 hours, and finally the anacardol glycidyl ether modified aliphatic amine hardener is obtained. Due to the fact that the modified aliphatic amine hardener is hardener with middle and normal temperature, toxicity and volatility of the low-aliphatic amine can be effectively reduced, and various diseases, such as oil face, albefaction and darkening of film, which easily occur in an epoxy construction process can be avoided at the same time.

The invention provides an exhaust driven gas turbine generator for an automobile engine, comprising a turbine chamber arranged on the automobile engine shell. The turbine chamber is provided with a turbine which is arranged on a turboshaft; the air inlet of the turbine chamber is communicated with the air outlet of the automobile engine; the turboshaft is connected with an input shaft of the generator; the air outlet of the turbine chamber is connected with a muffler; a thermal baffle is arranged between the turbine chamber and the generator; the electricity output terminal of the generator is connected with an accumulator. The high temperature high pressure exhaust gas discharged by the automobile engine enters into the turbine chamber first to push the turbine to rotate, and then the turboshaft drives the input shaft of the generator to rotate, and the generator outputs electric current. The turbine chamber is arranged between the air outlet of the automobile and the muffler of the invention, and the turbine is used to drive the generator to generate electricity, thereby the energy in the exhaust gas is transferred into electric energy to supply power or be stored, taking effective advantage of the energy source.

The invention relates to a comprehensive treatment method for oily sewage in an oil field. The comprehensive treatment method sequentially comprises an electro-catalysis treatment step, a flocculating settling treatment step, an iron-carbon micro-electrolysis step, a Fenton advanced oxidation step, and a fine filtration treatment, thus obtaining clean water finally. According to the method disclosed by the invention, emulsified oil, suspended matters and COD (Chemical Oxygen Demand) in the sewage of the oil field are effectively removed by using the electro-catalysis treatment step, the flocculating settling treatment step, the iron-carbon micro-electrolysis step, the Fenton advanced oxidation step and the fine filtration treatment, and the water quality of the treated sewage can reach relevant provisions of Comprehensive Sewage Discharge Standard GB8978-1996 and Environmental Quality Standards for Surface Water GB3838-2002.

The invention relates to a taxi roof numeral multi-purpose intelligence integration electron display screen system, belongs to the advertisement issue carrier domain. This system is composed of the central control server, the radio communication network, the GPS global positioning system and the digital multi-purpose intelligence integration electron display screen machine, its characteristic lies in the digital multi-purpose intelligence integration electron display screen machine is composed of the electronic display screen, control mainboard and the memory, the electronic display screen, control mainboard and the memory sets in a machine case, the control mainboard setup the display control module, the GPS global positioning system function module and the radio communication function module. This system each part of mutual adjusting work realizes the long-distance maintenance of the broadcast content, the broadcast content changes under the time and position change, and real-time receive and broadcast information. This system may place on the taxi roof and other vehicles; roll broadcasts the content of city propaganda, literary style service, advertizing info and service guide and so on.

The invention discloses an urban path travel time forecasting method based on floating vehicle data. The urban path travel time forecasting methods based on floating vehicle data particularly includes the steps of analyzing historical data of a floating vehicle, creating historical traffic rules in a periodic mode, creating default traffic rules by traffic management departments or specialists, providing traffic events such as an input vehicle departure starting point and terminal point, the departure time and the current traffic condition to be matched with the traffic rules, and calculating the travel duration of each candidate path. The floating vehicle data can be excavated effectively, the urban path travel time is forecasted effectively, and the urban path travel time forecasting method based on the floating vehicle data is different from a traditional path travel time forecasting method based on the historical data. The method and the technology are easy to implement, operating conditions can be met easily, the urban path travel time can be forecast so as to guide vehicles to select a travel path reasonably, and the method plays a significant role in relieving urban traffic congestion and is easy to apply and popularize in large and medium cities.

The invention discloses a circularly self-moving forepoling hydraulic support, which comprises a rail assembly, a supporting beam assembly, a supporting beam assembly moving device and a supporting beam assembly contracting and releasing device, wherein the supporting beam assembly comprises supporting beams, connecting beams, telescopic jacks and upright columns; both ends of the telescopic jacks are respectively hinged on the connecting beams and the supporting beams; the rail assembly is arranged between two upright columns of the supporting beam assembly; the supporting beam assembly moving device comprises a drive, a driving device and a connecting device; the rail assembly comprises rails and rail moving devices arranged on the rails; connecting ends of the connecting devices and the supporting beam assembly are provided with a revolute pair; and the supporting beam assembly contracting and releasing device is arranged on the rails. The circularly self-moving forepoling hydraulic support can support a tunnel roof during coal mining, can further be automatically moved and lifted, and is high in support moving speed.

The invention discloses a laser measuring device for positioning a wheel, which consists of a laser straight-line beam generator, a central shaft and a fixed disk, wherein one end of the central shaft is vertically connected with the center of the fixed disk; the laser straight-line beam generator is connected with the other end of the central shaft; an emitted direction of a laser beam is vertical to an axial direction of the central shaft; a side of the central shaft is connected with a suspended support of which the upper end is provided with two suspension arms at intervals; the fixed disk is connected with three measuring arms through hinge pins; each of the measuring arms is provided with a chute; a distance measuring block is respectively arranged in each of the chutes; and adjusting screws are arranged between the distance measuring blocks and the measuring arms. The laser straight-line beam generator, the central shaft and the fixed disk are fixed by the suspension support, and a circle center is positioned by the three measuring arms and distance measuring blocks, so that the actual states of the camber angle, the inward inclination angle and the toe-in of a hub-deformed wheel can be accurately measured.

The invention relates to a coking wastewater treatment device which comprises a flocculation reaction tank, wherein the flocculation reaction tank is connected with a flocculation settling pond, the flocculation settling tank is connected with a sand filter, and the sand filter is connected with an active carbon filter. A coking wastewater posttreatment method comprises the steps of: adding an efficient composite flocculating agent, a polymer coagulant aid and a mineral powder absorbing agent into the coking wastewater subjected to common treatment; regulating the pH value to be 8-9 with alkali, wherein the flocculation reaction settling time is 1-2.5h; and then carrying out sand leaching and active carbon filtration, wherein the effluent quality fully reaches the standard for emission or recycling. The COD (Chemical Oxygen Demand), the total phenol, the ammonia nitrogen, SS (Suspended Substances) and the chromaticity in the coking wastewater subjected to the treatment with the method are respectively reduced by above 80 percent, 90 percent, 60 percent, 90 percent and 95 percent; and by treating the coking wastewater according to the invention, the purposes of good effect, simple operation and convenience in management are achieved.

The invention relates to a digital down converter-Hilbert-Huang transform based instantaneous frequency measuring method, applied to the technical filed of radio. The method includes the following steps: 1) an original signal is subject to digital down conversion, and interested signal is converted into zero intermediate frequency; 2) the converted signal is subject to Huang transform, thus obtaining all the single frequency components; 3) each single frequency component signal is subject to Hilbert transform, and instantaneous frequency of the converted signal is solved; 4) the instantaneous frequency of the original signal is recovered according to the instantaneous frequency of the converted signal finally. The invention not only can show the advantage that the traditional Hilbert-Huang transform (HHT) can realize linearization and stabilization of non-linear and non-stationary signal, but also well overcomes frequency aliasing of the traditional HHT transform and shows higher frequency resolution. The invention is verified in a designed hardware system, and the algorithm can carry out effectively real-time estimation on frequency.

The invention discloses a wireless control system of an inner subsystem of a vehicle, comprising a wireless terminal controller, a wireless signal communication module and a control unit, wherein the wireless terminal controller consists of intelligent communication devices, the wireless signal communication module comprises a wireless communication module, a single chip and a power supply management module, the control unit comprises a power supply output circuit and a CAN (Controller Area Network) bus, the intelligent communication devices and the wireless signal communication module are connected through a wireless link, the wireless communication module is connected with the single chip, and the single chip is connected with the control unit through a CAN bus circuit. Each inner subsystem of the vehicle is integrally controlled by the control unit, a control signal is transmitted to the control unit through the single chip, the wireless communication module establishes a wireless hot point and transmits the received control signal to the single chip, each inner subsystem of the vehicle is integrated through human-computer interactive interface of the intelligent communication devices, such as iPAD and the like, the integration of each system module and interference control are realized, and the number of switch buttons of the inner subsystem of the vehicle is reduced.

A method for predicting the coverage of a 4G LTE (Long-Term Evolution) network based on 3G path measurement data comprises a process for measuring the key coverage indexes of base stations in the existing 3G network and a process for calculating measuring results, wherein the key coverage indexes of each related base station in the existing 3G network are acquired by a test tool, the wireless signal propagation loss of each related base station is calculated, the extra wireless propagation loss, which is caused by frequency variation, of each related base station is measured and calculated according to a freedom space propagation model, the key indexes for evaluating the quality of the 4G LTE network are obtained, a predicting result is obtained, and the predicting result is finally presented by a secondary development tool of a geographic information system. The coverage of the 4G network deployed by the existing 3G network can be predicted, and the deviation degree between the predicting result and a test result after the deployment of an actual test network is within 6dB.

The invention provides high-flash-point low-condensation-point transformer oil. Narrow fraction naphthenic oil is taken as basic oil, and an antioxidant, a condensation depressant, a photosensitizing agent and a metal deactivator are added, wherein the narrow fraction naphthenic oil accounts for 97-98% of the transformer oil in percentage by weight, the antioxidant accounts for 0.5-1.0% of the transformer oil in percentage by weight, the condensation depressant accounts for 0.5-1.0% of the transformer oil in percentage by weight, the photosensitizing agent accounts for 0.1-0.5% of the transformer oil in percentage by weight, and the metal deactivator accounts for 0.1-0.5% of the transformer oil in percentage by weight. The invention further provides a preparation method of the high-flash-point low-condensation-point transformer oil. The closed-cup flash point of the transformer oil provided by the invention can be 195-220 DEG C, the condensation point of the transformer oil can be up to minus 55 DEG C, the security property of the transformer oil is greatly better than that of the conventional transformer oil, and the transformer oil is applicable to extremely cold areas because of the low condensation point. The transformer oil is excellent in gassing performance, and no gas can be easily generated after the transformer oil is used.

The invention discloses a technology for applying vocal print verification as security codes of mobile applications. The technology comprises the steps as follows: using a mobile phone which comprises a vocal print sampling module; conducting vocal print registration for the first time, uploading a registration number and vocal print characters to a vocal print verification server through the mobile phone, and establishing a vocal print file of a register on the server; according to differences of the vocal print verification modes, enabling a user to follow to speak a verification sentence; sending a mobile phone number and verification voice stream to the vocal print verification server by application software through safe network connection; comparing vocal print characters of the voice stream and the vocal print of the mobile phone number in registration by the vocal print verification server, and returning the similar percentage; and according to self security requirement, allowing the user to use the software if the probability exceeds a set threshold value, otherwise, refusing using the software and making records into a security log. According to the scheme, the security is guaranteed by utilizing the uniqueness of personal voice and through verification by the vocal print verification server, meanwhile, the cracking possibility is reduced at the same time, and the use convenience effect can be achieved.

The invention relates to the technical field of video communication, particularly relating to a method for controlling a video code rate based on a vision significance model, wherein the method comprises the following steps: building a significance model for a video image according to the character of the video image and the vision sensing character of human eyes and acquiring a significance area of a video scene according to the model; improving the existing H.264 frame code rate distribution mechanism according to the size of the significance area of the video scene, and calculating a target bit rate for distributing the current frame; in the macro block-level code rate distribution, building a macro block-level code rate distribution mechanism based on the significance model according to the texture information abundant degree, motion severe degree and significance of a currently coded macro block; and repeating the steps till the current frame is coded completely. According to the method, the code rate distribution is performed according to a visual selective attention mechanism of the human eyes and the significance of the video scene, the visual coding character of the human eyes is met, and the high quality of a subjective video image can be acquired under the condition of limited code rate.