315results about How to "Expand the scope of" patented technology

The invention is suitable for the technical field of vehicles and provides a vehicle data acquisition terminal. The vehicle data acquisition terminal comprises a main control module, an analog quantity acquisition module, a CAN (Controller Area Network) acquisition module and a wireless communication module, wherein the analog quantity acquisition module, the CAN acquisition module and the wireless communication module are respectively connected with the main control module; the main control module is used for controlling the analog quantity acquisition module, the CAN acquisition module and the wireless communication module to work; the analog quantity acquisition module is used for acquiring analog quantity parameter information of a vehicle; the CAN acquisition module is used for acquiring first parameter information of a CAN bus of the vehicle and reading second parameter information in corresponding memories in all controllers of the vehicle through a CCP (CAN Calibration Protocol); and the wireless communication module is used for transmitting the analog quantity parameter information, the first parameter information and/or the second parameter information to a server in a wireless communication way. Accordingly, the invention further provides a vehicle information acquisition system comprising the vehicle data acquisition terminal. Therefore, according to the vehicle data acquisition terminal and the vehicle information acquisition system, the parameter information in the corresponding memories in all the controllers of the vehicle can be acquired through the CCP protocol, so that the information acquisition scope is enlarged.

The invention discloses a riverway illegal sewage drain detection robot fish comprising a bionic fish assembly, a controller, a water quality sensor, a river flow velocity and sonar sensor and a GPS (global position system) positioning component, wherein the controller, the water quality sensor, the river flow velocity and sonar sensor and the GPS positioning component are installed on the bionic fish assembly. The sensors are utilized for accurately positioning a sewage drain outlet by the robot fish, and water quality data detected by the water quality sensor, river flow velocity data detected by the river flow velocity and sonar sensor and position information of the GPS positioning component after positioning are subjected to comprehensive treatment and are sent to an environment monitoring center by the controller. The riverway illegal sewage drain detection robot fish has the advantages of simple structure, high intelligent degree, wide application scope, strong real-time detection capability, high detection accuracy, and the like.

The invention discloses an earthquake emergency exercise virtual simulation system which comprises a database, a resource management subsystem connected with the database, an exercise scenario generation subsystem, a three-dimensional scene rendering subsystem, a modeling and simulation subsystem, an exercise recording and replaying subsystem, a virtual exercise evaluation subsystem, an immersive display and interaction subsystem connected with the three-dimensional scene rendering subsystem, and a multipoint audio communication subsystem connected with the three-dimensional scene rendering subsystem and the immersive display and interaction subsystem. The exercise scenario generation subsystem, the three-dimensional scene rendering subsystem, the modeling and simulation subsystem, the exercise recording and replaying subsystem and the virtual exercise evaluation subsystem are connected with the resource management subsystem. The earthquake emergency exercise virtual simulation system can be directly applied to activities like actual combat simulation exercise, emergency plan deduction and public science popularization of earthquake relief, reliable environment support is provided for emergency relief training, and data support is provided for earthquake relief related studies; due to rich software-hardware expansion interfaces, convenience is brought to the system for migration and expansion towards other emergency relief related fields; a vacancy in the field of international earthquake emergency relief is filled.

This invention provides an additive which can reduce the phenols content of cigarette fumes selectively; the additive is an inorganic carrier or acetate fiber which can load ionic liquid, is added into the filter of acetate fiber so as to produce a binary complex filter, thus being capable of reducing the phenols content of cigarette fumes high selectively and having no effect on the cigarette mouth-feel in the process of reducing the damage to smokers. The additive preparation technology of the invention is simple, and the additivity is convenient and the additive can meet the requirement of industrial production.

The invention discloses a patroller positioning method based on spliced images. Sequent images are shoot at certain angles in front of a preceding site and a current site by means of a binocular three-dimensional camera; the sequent images shoot by a left camera lens at the preceding site and the current site are spliced through a cylindrical projection method to obtain wide-angle spliced images in front of the left camera lens at the preceding site and the current site; the overlapped area of the spliced images of the left camera lens at the preceding site and the current site are calculated, Affine-SIFT feature extraction and matching are carried out on the overlapped area, and image matching feature points of the preceding site and the current site are looked for; the matching feature points are calculated reversely into an original image of the left camera lens, corresponding matching feature points are extracted in an image of a right camera lens, and faulted feature points are eliminated; the position and the posture of a patroller on the current site are solved in a light beam method. According to the technical scheme, high-precision posture determining and positioning of the patroller can be achieved.

The preparation method of high aspect ratio titanium dioxide nanotube array. It uses new electrolyte that contains fluorin. By electrochemistry anodization method, it coats high aspect ratio TiO2 nanotube array on surface of metal titanium. The substrate is polished and cleaned. The solute of electrolyte is fluorid and supporting electrolyte, then adds alcohol additives. According to the weight %, the content of fluorid is 0.1% - 1% of total electrolyte; the content of supporting electrolyte is 0.4% - 4% of total electrolyte; the content of alcohol additives is 0% - 90% of total electrolyte, the remains are solvent. The metal plate can be used as electrode to anodizate. Then high aspect ratio TiO2 nanotube array film can be generated on surface of substrate.

The invention discloses an Android privacy disclosure behavior detection method and a system based on information flow. The method comprises the following steps: 1) extracting components, permissionsand intention filter information from resource files and Dex files to generate a control flow diagram between processes; 2) analyzing the callback sequence of the application program, constructing theCCFG (Callback Function Control Flow Graph), and checking the potential privacy leakage path by using the static stain tracking analysis ICFG and CCFG; 3) extracting context and attribute values of cross-component communication through HOOK key API in customized sandbox, and optimizing privacy information flow constructed by static analysis; 4) the run program tracking and analyzing the dynamic stain, obtaining the path of the flow direction of the privacy information, and simultaneously extracting the context of the path; 5) according to the privacy leakage paths generated by monitoring logsand stain tracking analysis, the redundancy being removed or new privacy leakage paths being added in combination with context information; 6) the general information entropy method and visual clustering method being used to quantitatively analyze the privacy information leakage.

The invention provides a mobile video monitoring system. A monitoring server of the system generates an acquisition front-end list according to identifiers and Internet protocol (IP) addresses of mobile acquisition front-ends passing authentication, stores the acquisition front-end list, obtains the IP address of the mobile acquisition front-end passing the authentication according to a real-timepreviewing request, transmits the real-time previewing request, and transmits a packaged real-time transport protocol (RTP) stream and a real-time previewing response to a mobile monitoring terminal passing the authentication according to the IP address of the mobile acquisition front-end; the mobile acquisition front-end passing the authentication acquires an image of a place with the mobile acquisition front-end in real time according to the real-time previewing request, obtains the packaged RTP stream and transmits the RTP stream to the monitoring server; and the mobile monitoring terminalpassing the authentication processes the packaged RTP stream according to the real-time previewing response, and outputs and displays the processed RTP stream. The invention also provides a mobile video monitoring method. By the system and the method, limitations to video image acquisition can be broken through, and the flexibility can be improved.

The invention discloses a method and a system for residing when a mobile terminal is powered on. The method comprises the following steps: storing a TAI (tracking area identity) list and RPLMN (registered public land mobile network) information residing in a mobile terminal powered off last time in an SIM (subscriber identity module) card; pre-reading the TAI list and the RPLMN information in the SIM card by a non-access stratum when the mobile terminal is powered on again; then, sending a network searching command and a cell residing request to an access stratum; and searching for cells by the access stratum according to the TAI list and the RPLMN information contained in the cell residing request, and residing in the cell with the best quality. The mobile terminal of the invention is capable of residing in cells of both the RPLMN and the shared network in the TAI list, thereby widening the selecting range of cells, increasing the success rate of residing and improving the quality of service of user ends.

The invention discloses an interactive type intelligent network television, which comprises a terminal television. The interactive type intelligent network television adopts a hybrid fiber coax network or INTERNET as a transmission link and also adopts a digital television AIO (all-in-one) or a terminal television connected with a network STB (set top box) as a terminal television. The interactive type intelligent network television is characterized in that an interactive type operation system is arranged in either the digital television AIO or the network STB and receives INTERNET data or digital television data and outputs and displays data on the terminal television. The interactive type intelligent network television integrates voice, video and data, can enable a user to watch television programs as well as search the favorite TV plays or movies for on-demand watching through INTERNET, and can provide a domestic consumer with various interactive businesses including intelligent digital television business.

The present invention relates to a formation and using method of data message and header format of an integration network and net communication layer, which is a method used for packaging and transmitting the data in the integration network and net communication layer. All the data in a service layer is packaged in the net communication layer according to the data message and header format and then transmitted in the network. The forming method of the data message and header format of the integration network and net communication layer has the following steps: forming edition field; forming service class field; forming patulous reserved field; form a jumping limit field; form a load type field; form a load length field; form an original mark field; and form an aim mark field. The present invention forms the data of packing and transmitting integration network service layer, realizing that various access networks and terminals can have access to a backbone net with a uniform format, resolving the problem of single access network of the traditional internet and telecommunication net, and guarantying the privacy and safety of the users.

The invention discloses a densification method of a porous workpiece. The method comprises the following steps: placing the porous workpiece in a jacket, and performing seal welding on a joint between the jacket and an end cover; performing leak detection for the jacket; after the tightness of the jacket is ensured, filling glass powder in the jacket, and shaking to be solid; vacuumizing the jacket and performing seal welding on a suction pipe to obtain a compact; performing hot isostatic pressing treatment on the compact; and after a hot isostatic pressing hearth is cooled, taking out the compact, and removing the glass and the jacket from the surface of the workpiece to obtain a dense workpiece. The method with a metal jacket and glass powder as force transfer media, can be used for processing any porous workpieces with complicated shapes and relative density being less than 90%, and is particularly suitable for densifying sintering pieces and castings such as SLS/SLM and the like.

The invention discloses a method and an apparatus of improving recovery efficiency of shale gas through a blast mode, The method is: setting an open hole well in shale gas acquisition area, Then setting a blast cracking area and a gas acquisition area in an assigned position of the open hole well; The two areas adjacent, But separated with each other, Detonating the explosive in the cracking area, Sidewall of the open hole well is cracked; The shale gas entering the gas acquisition area from the blast cracking area through rock crevice in sidewall of the open hole well, Then conveying to ground. The invention provided apparatus is arranged in the open hole well of the shale gas, Including an explosive loading and detonating apparatus and a gas conveying apparatus, Wherein the explosive loading and detonating apparatus is used to crack the shale around, The gas conveying apparatus is used to conveying the shale gas to ground.

The invention discloses polyacrylate polymer terminated cyclodextrin polyrotaxane, which is characterized in that: the molecular formula is shown in the specifications; and the preparation method comprises the following steps of: preparing poly(pseudo)rotaxane physical gel from thiol polyethylene glycol and alpha-cyclodextrin; and reacting the poly(pseudo)rotaxane physical gel with an acrylate monomer under the action of an azodiisobutyronitrile radical initiator so as to connect long molecular chains of polyacrylate to two ends of the poly(pseudo)rotaxane, wherein the long molecular chains of polyacrylate serve as large-volume groups to prevent the cyclodextrin on a polyethylene glycol molecular chain from dropping off, so that the polymer terminated polyrotaxane is obtained. The number of the cyclodextrin passing through the polyethylene glycol molecular chain and the type and the length of the polyacrylate molecular chains at the two ends of the polyrotaxane can be adjusted conveniently by adjusting the using amount of the cyclodextrin and the type and the using amount of the acrylate monomer, so that the performance of the polyrotaxane can be adjusted conveniently. The polyrotaxane is a novel supermolecular system and can be applied to the fields of biodegradable materials, medicine carriers, sustained release materials, biosensors and the like.

The invention discloses a local registration-based image splicing method. The method comprises the steps of 1) performing feature point detection and matching; 2) setting a number m of a matching feature point pair set from input images I0 and I1 to be 0; 3) performing image local registration; 4) judging whether a registration error of a current local homography mapping matrix Hm is smaller than a registration threshold or is converged or not; 5) adjusting the matching point pair set; and 6) performing image synthesis. The method is an image splicing method aiming at a large-parallax scene and having higher accuracy; the local registration is performed by utilizing a parallax probability; an obtained splicing result is free from structural distortion, ghosting and deformation, and conforms to human eye habits; compared with an existing method, the method is higher in robustness; and the range of scenes processible for an image splicing technology is expanded.

The invention discloses an automatic contact welding machine. The automatic contact welding machine comprises a base, a first tooling fixture, a second tooling fixture, a contact welding mechanism, a clamping platform deck, a rotating platform, a rotating shaft module, a transversal moving mechanism, a longitudinal moving mechanism, and an up-down moving mechanism, wherein the clamping platform deck is movably connected with the rotating platform; the rotating platform and the up-down moving mechanism are sequentially installed on the base from left to right; the first tooling fixture is movably connected with the rotating platform; the longitudinal moving mechanism is installed on the up-down moving mechanism; the transversal moving mechanism is installed on the longitudinal moving mechanism; the rotating shaft module is installed above the transversal moving mechanism; the clamping platform deck departs from the rotating platform and then is movably connected with the rotating shaft module; the rotating shaft module is connected with the second tooling fixture; the second tooling fixture is located on the right side of the rotating shaft module; the contact welding mechanism is located on the right side of the second tooling fixture. The automatic contact welding machine disclosed by the invention can freely rotate a work piece, as well as expand a welding range of the work piece, save time and reduce labour cost.

The invention discloses an insect pest trap, and relates to a trap for catching small insects. The insect pest trap comprises an insect catching mesh bag, a trap lamp, a negative-pressure cabin, an induced draft fan and a flow guide cover. The upper portion and the lower portion of the negative-pressure cabin are open, the insect catching mesh bag is mounted in the negative-pressure cabin, an upper opening of the negative-pressure cabin is connected with the induced draft fan, a bottom connector of the negative-pressure cabin is connected with the flow guide cover via an insect sucking tube, and the lower portion of the flow guide cover is connected with the trap lamp. The insect pest trap is characterized in that an attractant lure fixing hole is arranged at an air outlet of the induced draft fan, slow-release lures of attractants made from tomato leaves are filled in the attractant lure fixing hole, and the trap lamp comprises a dimmable energy-saving lamp, a photoresistor and a yellow glass cover sleeved on the dimmable energy-saving lamp. The insect pest trap has the advantages that an insect pest trapping combined device is formed owing to complementary and synergetic effects of the negative-pressure cabin and the insect attractants, insect pests are trapped in a colored light and attractant combined mode and are gathered in an induced draft mode, insect pest trapping and killing abilities are strengthened, an insect pest trapping and killing range is enlarged, and the insect pest trap is high in insect catching efficiency and simple in structure.

The invention discloses a geological disaster VR simulation exercise system which comprises a headset VR user device and a data processing and control module. The headset VR user device comprises an action acquisition unit, a viewing angle acquisition unit, a VR display device and an audio playback unit. The data processing and control module comprises a data storage unit, a touch display screen and a data processing unit. According to the invention, through geological disaster exercise of strong sense of reality and scene, the evolution of geological disasters is demonstrated; the safety awareness and self-help ability of students and other exercisers in the geological disasters are improved; and science publicity and education of geological disaster emergency hedge are carried out.

The invention relates to agricultural beating equipment, in particular to beating equipment for harvesting rapeseeds, and aims to solve the technical problem of providing the beating equipment for harvesting rapeseeds, through which rapeseeds can be quickly collected, and through which the rapeseeds can be thoroughly threshed. The technical scheme adopted by the invention lies in that the beatingequipment for harvesting rapeseeds comprises inserting plates, a first placing plate, a collecting frame, a mounting plate, a first sliding rail, a first sliding block, a second placing plate, a firstspring, a swinging rod, a pressing block, a connecting plate and the like, wherein the inserting plates are respectively arranged on the left side and the right side of the ground; the first placingplate is arranged between the lower parts of the inner sides of the inserting plates on the left side and on the right side; the collecting frame is arranged on the left side of the top of the first placing plate; the mounting plate is arranged at the tops of the inserting plates on the left side and on the right side; and a horizontal strip hole is formed in the left side of the mounting plate. Through the adoption of the beating equipment for harvesting rapeseeds disclosed by the invention, the effects that the rapeseeds can be quickly collected, and the rapeseeds are thoroughly threshed areachieved; rapes are beaten by the pressing block, and the positions of the rapes are moved through a front-and-rear moving device, so that the beating range of the pressing block is wide, and the threshing of the rapeseeds is more thorough.

The invention provides a wide range fiber grating strain transducer. The transducer comprises a foil planar spring (1), wherein a fiber grating (2) is positioned in a groove (11) on the longitudinal axis of the planar spring (1); and two ends of the fiber grating (2) are fixed on corresponding positions of the planar spring (1). The wide range fiber grating strain transducer overcomes the defects of plastic deformation, yielding and even cracking easily happened to the prior strain transducer. The strain transducer of the invention can measure wide range strain (+/-2,500 mu epsilon) through adopting the structure of the planar spring; and through conversion effect of the structure, the strain directly acting on a base material can be effectively reduced, thereby improving the range of measurable strain of the transducer.

The invention discloses coke made from Canadian coking coal and a coking method, mainly for solving the technical problems in the prior art that the coking property of Canadian coking coal is lower than that of high-quality coking coal, the coke strength after reaction (CSR) of the coke made from the Canadian coking coal is low and cannot meet the quality requirements of high-quality metallurgical coke. According to the technical scheme, the coke made from Canadian coking coal is prepared by mixing and coking the following coal in percentage by mass: 10-15% of 1/3 coking coal, 20-28% of gas coal, 20-25% of fat coal, 25-35% of coking coal, 5-10% of lean coal and 5-10% of Canadian coking coal. According to the characteristics of Canadian coking coal, corresponding control indexes including components of used coal ash and types of coal substitutes are provided, and thus the stability of coke quality is ensured when the Canadian coking coal resource is used.

The invention relates to a filter-free brushless DC motor control device with wide speed regulation range and no position sensors. The filter-free brushless DC motor control device comprises a DC power supply, a three-phase inverter, a brushless DC motor, a rotor position detection circuit, a microcontroller and a three-phase inverter power device drive circuit, wherein the DC power supply is connected with the brushless DC motor through a power voltage regulating unit and the three-phase inverter; the output signal of a rotor position detection circuit connected with the brushless DC motor is directly connected with the A/D conversion input pin of the microcontroller; ant the PWM output signal of the microcontroller is connected with the power voltage adjusting unit through a power voltage adjusting unit power device drive circuit. The control device can control the rotation speed of the brushless DC motor by PWM chopping control of a power switch VT7. Six commutation control signals outputted by the microcontroller are connected with the three-phase inverter through the three-phase inverter power device drive circuit to achieve commutation control of the brushless DC motor. The filter-free brushless DC motor control device has the advantages of improved reverse potential detection accuracy of the brushless DC motor, simplified system and lowered cost.

The embodiment of the application provides an ultra vires vulnerability detection method and device. By restoring URLs based on Web access logs, the method increases the range and coverage of URL detection, further obtains the first response information received by accessing respective URLs and second response information received by accessing a random URL associated with the URL, and according tothe first response information and the second response information, whether the website corresponding to the URL exists ultra vires vulnerability is detected, the detection result is obtained, and the ultra vires access vulnerability can be excavated efficiently without manual detection and participation, so as to ensure the safety of the website.

The invention discloses a mining method and device of POI (point of interest) representing images and a server. The method includes acquiring a physical site corresponding to a POI from the Internet according to the name and address of the POI; searching for at least one representing page of the physical site according to an anchor text on the front page of the physical site; reading the representing pages and acquiring a set of representing images; acquiring at least one image meeting the predetermined feature from the set of representing images and using the images as representing images for the POI. Each representing page includes introduction of the physical site. The mining method and device allows representing images to be automatically mined from the physical site of the POI, the acquired representing images are more vivid, and the demand of users for knowing the POI is better met.

The invention relates to a method and a device for preparing gallic acid. The method for preparing the gallic acid comprises the following steps of: (1) preparation of immobilized tannase: an immobilized vector of tannase is soaked with deionized water, and is cross-linked with glutaraldehyde, and then the tannase is added to complete the immobilization of the tannase; and (2) preparation of the gallic acid: a raw material containing tannin is leached with water and is filtered, and then the immobilized tannase is added into a tannin leaching liquid to be subjected to enzymatic hydrolysis, bleaching, filtering, concentration, crystallization, centrifugation and vacuum drying to obtain the gallic acid. The invention also comprises a device for preparing the gallic acid, which comprises a tannase immobilizing device and a gallic acid preparing device. In the invention, by immobilizing the tannase, the thermal stability and the pH application range of the enzyme are improved; the operation is simple, safe and stable; and the production cost is low, and the large-scale production is convenient.

The invention relates to a confocal raman spectrometer and a treatment method for a laser path of the confocal raman spectrometer. The treatment method comprises the steps that: one laser is selected to emit laser light which enters a laser transmission device, the laser light is transmitted to a continuously adjustable laser attenuator by using a group of reflectors in a laser switching device in the laser transmission device, corresponding to the laser, the intensity of the laser light is attenuated, the laser light treated by the continuously adjustable laser attenuator is reflected to an edge light filter switching device, the laser light is reflected by the edge light filter switching device and irradiates a substance to be detected on a substance stage of a microscope device through an objective lens of the microscope device, raman signals, rayleigh scattering light and laser light generated by the substance to be detected after being excited by the laser light are collected by the objective lens of the microscope device and return to the edge light filter switching device; an edge light filter filters out the rayleigh scattering light and the laser light and leaves the raman signals, and finally, the raman signals form a raman spectrum through a signal confocal device and a spectrum detection device.

The invention relates to a fragrant rotary face steamer which comprises a shell, an evaporation unit and a storage unit. The evaporation unit comprises a water tank and a rotary nozzle. The water tank and the rotary nozzle are installed at the two ends of the shell respectively. A hot steam generator, a cold steam generator and a driving plate are installed at the positions, between the water tank and the rotary nozzle, in the shell. The storage unit comprises a storage cavity formed in the shell. An upper cover is arranged at the upper end of the storage cavity. The bottom end of the storage cavity is communicated with an evaporation pipeline. The rotary nozzle can be driven by a driving mechanism to rotate or swing up, down, left and right. The fragrant rotary face steamer has the advantages that the driving mechanism can drive the rotary nozzle to rotate freely within 360 degrees and swing within 180 degrees, and therefore the problem that in a traditional structure, the nozzle adjustment range is small is solved.

The method includes following procedures: receiving synchronizing pilot sequence, and obtaining oversampling in frequency domain for synchronizing pilot sequence; on discrete frequency spectrum of oversampling in frequency domain in synchronizing pilot sequence, calculating square of amplitudes of discrete frequency spectrum lines, and summarizing them in order to obtain measure sequence; based on measure sequence to carry out estimation for carrier frequency shift. The invention increases precision of estimating carrier frequency shift, and range of estimation remarkably without increasing complexity.

A flexible start speed adjusting device capable of realizing belt-type conveyor on-load power isolation overcomes the defects that in an existing belt-type conveyor multi-motor driving system, the working condition of non-load operation or light-load operation often occurs, and energy is wasted. The flexible start speed adjusting device is characterized in that brake mounting holes are machined in one side, provided with a pump wheel axle, of a box body, an electro-magnetic brake is installed through a brake bearing seat, and a driven gear which is matched with a driving gear is installed on a brake shaft of the electro-magnetic brake. The flexible start speed adjusting device has the advantages that the multi-motor driven belt-type conveyor on-load power isolation function is realized, the purpose of saving energy is achieved, the type selection range of the electro-magnetic brake is small, the technology realizing difficulty is low, an electromagnetic brake body is low in manufacturing cost, the purposes that torque impact of equipment during the motor power isolation process or the motor power reapplication process is reduced, and when a certain motor in the driving system of the bet-type conveyor fails, the motor can be turned off under the condition that loads allow and the normal work and operation of the belt-type conveyor are not influenced are realized, and the continuous operation capacity of the conveyor is improved.

The invention discloses a prompt message acquiring method and device and belongs to the field of information technology. The method comprises acquiring a search keyword in a search box; judging whether a semantic matching database contains a specified prompt message according to the search keyword, wherein the specified prompt message is a prompt message semantically matched with the search keyword, and the semantic matching database stores a semantic matching relation between the prompt message and the search keyword; and providing the specified prompt message if the semantic matching database contains the specified prompt message. According to the prompt message acquiring method, the search keyword is acquired and whether the semantic matching database contains the specified prompt message corresponding to the search keyword is judged, so that when the specified prompt message is contained, a server provides the specified prompt message, then the server directly acquires the specified prompt message semantically matched with the search keyword according to the search keyword when the search keyword is not contained in the search target needed by a user, and the search efficiency is greatly improved.