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

Vehicle data acquisition terminal and vehicle information acquisition system

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.
Owner:上海太鼎汽车工程技术有限公司

Earthquake emergency exercise virtual simulation system

InactiveCN103970920ARich hardware and software expansion interfaceExpand the scope ofSpecial data processing applicationsModeling and simulationPhysical exercise
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.
Owner:周柏贾 +1

An Android privacy disclosure behavior detection method and technology based on information flow

InactiveCN109145603AImprove code coverageExpand the scope ofPlatform integrity maintainanceTrack analysisInternet privacy
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.
Owner:SICHUAN UNIV

Mobile video monitoring system and method

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.
Owner:HANGZHOU HIKVISION SYST TECH

Polyacrylate polymer terminated cyclodextrin polyrotaxane and preparation method thereof

InactiveCN102391445ALow priceExpand the scope ofAlpha-CyclodextrinDrug carrier
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.
Owner:SHANDONG UNIV OF TECH

Automatic contact welding machine

ActiveCN104002033AExpand the scope ofSave time for loading and unloadingResistance welding apparatusRotational axisFree rotation
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.
Owner:深圳市川菱科技有限公司

Insect pest trap

InactiveCN102907402AImprove booby effectExpand the scope ofInsect catchers and killersInsect attractantsColored light
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.
Owner:扬州绿源生物化工有限公司

Beating equipment for harvesting rapeseeds

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.
Owner:陈慧琳

Position-sensorless control device for wide speed regulating range brushless DC motor without filter

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.
Owner:SHANGHAI UNIV

Confocal raman spectrometer and treatment method for laser path of confocal raman spectrometer

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.
Owner:NCS TESTING TECH

Flexible start speed adjusting device capable of realizing belt-type conveyor on-load power isolation

ActiveCN103343805AExpand the scope ofReduced braking torque requirementsConveyorsFluid gearingsContinuous operationElectromagnetic brake
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.
Owner:沈阳中煤工程技术有限公司
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