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157results about How to "Extended functional scope" patented technology

Method for directional cross-border detection and mixing line detection in video

The invention discloses a method for directional cross-border detection and mixing line detection in a video. The method includes the following steps of S1, inputting a monitoring video, S2, initializing the video, wherein the mixing line and an interesting region are set in the video, and the minimum filtering movement target area is selected according to the resolution ratio of the input video to be detected, S3, detecting the foreground, wherein movement targets are detected and tracked, and the movement target needing to be detected is filtered out, S4, carrying out mixing line detection or cross-border detection, wherein the cross-border detection comprises the two phenomena of intrusion detection and fleeing detection, S5, carrying out the S3 and the S4 repeatedly for every later new movement target. By means of the method for directional cross-border detection and mixing line detection in the video, the movement targets are filtered, targets which do not need to be detected such as birds and small animals are excluded, detection accuracy is improved, detections of leaving and the movement direction of the movement target can be achieved on the basis of mixing line detection and intrusion detection, detection is fully functional, and the method better meets actual application requirements.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Electronic control unit for motor vehicle braking systems

InactiveCN1898112AMeet electromechanical requirementsMeet electromechanical requirements such as mechanical strengthServomotor componentsCooling/ventilation/heating modificationsElectricityElectronic structure
The invention relates to an electronic control unit (14), in particular in motor vehicle braking systems, which is connected to a hydraulic unit (13) by means of a magnetic connector. Said electronic control unit comprises: an area formed by the housing walls (14'), said area being used to receive several valve coils (12) which are arranged in said area, a housing cover (8, 35), at least one first circuit board (31, 5) which is used to receive electric and/or electronic components and an electric contact part and one first heat conducting plate (9, 32) which is used to guide heat away from the electronic components. The first heat conducting plate is connected in a flat manner to the first circuit board, and at least one heat connecting element (4, 15) which produces a thermal bridge between the first circuit board(s) and the first heat conducting plates, is provided. The invention also relates to a pump drive unit which co-operates with said control unit, whereby a motor base plate (22), for the electronic power components of the motor, is provided. The invention further relates to an electrohydraulic control device, wherein one or several elongate heat conducting elements (172) are arranged, said elements being in contact with the hydraulic block (13) and the cooling element (9) in order to form a thermal bridge. One longitudinal side of the heat conducting elements (172) is connected, in a positive or non-positive fit, to the hydraulic block or to the cooling element (9) and the opposite longitudinal sides thereof (1712) are arranged on the hydraulic block or the cooling element without the detachable non-positive fit connection.
Owner:CONTINENTAL TEVES AG & CO OHG

DSRC-based vehicle speed measuring method and device, and DSRC application system

The invention discloses a DSRC-based vehicle speed measuring method and device, and a DSRC application system. The method comprises the following steps: a RSU is used to receive a plurality of microwave signals sent by a vehicle through an OBU, wherein at least one microwave signal carries the vehicle information of the vehicle, at least two microwave signals correspond to a t1 moment and a t2 moment respectively, and the time interval between the t1 moment and the t2 moment is t0; the RSU is used to acquire the positioning information of the vehicle at the t1 moment according to the microwave signal of the t1 moment, and acquire the positioning information of the vehicle at the t2 moment according to the microwave signal of the t2 moment; and the RSU is used to calculate the distance information of the vehicle between the t1 moment and the t2 moment by utilizing the positioning information of the t1 moment and the positioning information of the t2 moment of the vehicle, and calculate the speed information of the vehicle between the t1 moment and the t2 moment according to the distance information and the time interval t0. According to the invention, the vehicle speed measuring process can be simplified, the vehicle can be positioned accurately, and functions of existing DSRC equipment can be extended.
Owner:SHENZHEN GENVICT TECH

Nanoparticle for embedding medicinal Adriamycin as well as preparation method and application thereof

The invention belongs to the technical field of composite medicine materials as well as a preparation method and application thereof, more particularly discloses a nanoparticle for embedding medicinal Adriamycin. The nanoparticle has a core-shell type structure with an inner core embedded by an outer shell, wherein the inner core is embedded medicinal adriamycin, and the material for the outer shell is silicon dioxide; and the preparation method of the nanoparticle comprises the following steps of: evenly mixing cyclohexane, a surfactant and n-hexylalcohol, adding a sodium fluoride solution into the mixed solution after being evenly mixed to form a reverse-phase microemulsion; adding adriamycin and tetraethoxysilane into the reverse-phase microemulsion, and reacting to obtain a nanoparticle microemulsion system for embedding the adriamycin; adding a silylanization reagent containing functional groups into the microemulsion system, stirring for reacting, adding ethanol and demulsifying, centrifuging and then preparing the nanoparticle for embedding the medicinal adriamycin and modifying the functional groups. The nanoparticle embedding for the adriamycin has good stability, good biocompatibility, long slow-release time, large drug-loading rate, high medicine packaging rate, and the like, and has application prospect in the fields of tumor imaging and treatment.
Owner:HUNAN UNIV

Physical address determination method, device and equipment and storage medium

The invention provides a physical address determination method, device and equipment and a storage medium, and belongs to the field of solar energy. The method comprises the steps of controlling at least two slave nodes to be sequentially started, and detecting a change condition of an input voltage of a main node; dividing a photovoltaic power generation system into a plurality of photovoltaic strings; determining the photovoltaic string of which the number of the slave node is equal to the number of at least two nodes to be an alternative photovoltaic string when at least two slave nodes inconfiguration data are equal in number; and controlling an arbitrary slave node in the alternative photovoltaic string to be started and other slave nodes to be closed with regard to each alternativephotovoltaic string, and determining a physical address of the photovoltaic string with existence of an input voltage or an input current as a physical address of the alternative photovoltaic string.The invention provides a mode for automatically determining the physical address of the photovoltaic string. By the method, the positioning of the photovoltaic string is achieved, the function range of the system is expanded, abnormality can be timely eliminated when an abnormal condition occurs, and the system stability is improved.
Owner:HUAWEI DIGITAL POWER TECH CO LTD

Potential fingerprint extracting/presentation gel composite film and radiation preparation method thereof

The invention discloses a potential fingerprint extracting/presentation gel composite film and a radiation preparation method thereof. A gel composite film base material consists of natural polysaccharide or dendritic macromolecules, a radiation sensitizer, a pH regulator and a solvent. The radiation preparation method comprises the following steps: carrying out radiation crosslinking reaction under ionizing rays generated by gamma rays or electronic rays; placing an obtained intermediate sample in a color developing agent solution; standing for 2-8 hours in a dark place; packaging under vacuum; and storing in a cabinet freezer at the temperature of 4 DEG C for subsequent use to obtain the potential fingerprint extracting/presentation gel composite film. By the potential fingerprint extracting/presentation gel composite film, fingerprint extracting and presentation are unified organically, maximum optimization of performance of composite gel and expansion of a function range are realized, and effects of complete extracting, effective presentation and long-time storage of potential fingerprints of permeable objects and impermeable objects are achieved. The method has the features of speediness, simplicity, high efficiency, sensitiveness, no damage, no toxicity and the like, and is particularly suitable for the technical fields of fingerprint extracting and presentation in criminal cases and civil cases and the like.
Owner:HUBEI UNIV OF SCI & TECH

Method for adjusting ice cream machine stirring speed and ice cream hardness and ice cream machine

PendingCN111903828AReasonable air volumeGreat tasteFrozen sweetsMotor speedElectric machine
The invention discloses a method for adjusting the stirring speed of an ice cream machine and the ice cream hardness and the ice cream machine. The ice cream machine comprises a shell, and a chargingbucket, stirring fan blades, a motor, a compressor, an evaporator, a condenser, a cooling fan, a control panel, a power panel and a motor driving plate which are arranged in the shell, wherein the stirring fan blades are arranged in the charging bucket and connected with a driving shaft of the motor; the motor is electrically connected with the motor driving plate; a Hall sensor is arranged in themotor and is used for detecting the rotating speed of the motor in real time and transmitting the rotating speed to the motor driving plate; the evaporator and the condenser are both connected with the compressor through pipelines; the compressor and the cooling fan are both electrically connected with the power panel; the control panel and the motor driving plate are electrically connected withthe power panel; the control panel is electrically connected with the motor driving plate; an operation panel is arranged on the control panel; and the operation panel comprises a stirring speed adjusting key and a hardness adjusting key. The method can freely adjust the ice cream stirring speed and hardness, thus meeting the manufacturing requirements of different types of ice cream.
Owner:ZHONGSHAN DONLIM WEILI ELECTRICAL APPLIANCES CO LTD

Remote numerical control multipurpose uphill and downhill trolley

The invention relates to a remote numerical control multipurpose uphill and downhill trolley for an automated conveying production line, which comprises a trolley capable of running on a flat road or an uphill ramp and a downhill ramp and five trolley lines additionally arranged on one side of a track. An electric cabinet frequency converter, a hanging fixture and the like are arranged on the trolley and are communicated with a master control cabinet through the trolley lines and a cable. In the remote numerical control multipurpose uphill and downhill trolley, the technology of numerical control and half-duplex communication is adopted particularly, so that the trolley can be commanded manually or automatically by PLC programs to complete complex actions such as quick and slow advance and retreat, lifting, release, clamping and the like within the range of 3,000 meters; the technology of automatic frequency control of motor speed is also adopted, so that the trolley can move on the uphill ramp and the downhill ramp or a curve road at a low speed and move on the flat road at a high speed; and the technology of dual braking and electric speed limit is adopted to ensure the safety of the trolley on the uphill ramp and the downhill ramp. The remote numerical control multipurpose uphill and downhill trolley provides novel three-dimensional space automated material conveying equipment with omnipotency, high efficiency and low cost for manufacturers such as automobiles, engines, machinofacture and the like.
Owner:王瑜

Dual-frequency dual-circular-polarization folding reflective array antenna

The invention provides a dual-frequency dual-circularly-polarized folded reflective array antenna, and aims to simplify the antenna structure and broaden the functional range of the circularly-polarized folded reflective array antenna while ensuring the radiation characteristics of the circularly-polarized folded reflective array antenna. The antenna comprises a main reflector, an auxiliary reflector, a support structure and a feed source; the main reflector comprises a first dielectric substrate with a hollow center, the upper surface of the dielectric substrate is printed with periodically arranged square ring-shaped metal patches for realizing linear polarization conversion and conversion from spherical waves to plane waves, and the lower surface of the dielectric substrate is printed with a metal floor; the secondary transmitting mirror comprises a second dielectric substrate and a third dielectric substrate which are stacked up and down, the lower surface of the second dielectric substrate is printed with a metal floor with a leaky wave slot, and the upper surface of the second dielectric substrate and the lower surface of the third dielectric substrate are both printed with two circular metal patches of different specifications; and through the connection of a metalized via hole passing through the leaky-wave gap, the dual-frequency dual-circularly-polarized radiation characteristic is realized.
Owner:XI'AN PETROLEUM UNIVERSITY
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