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1697results about How to "Easy to install and debug" patented technology

Micro grid monitoring and energy management device and method

The invention discloses a micro grid monitoring and energy management device and method. The device comprises a master controller module and a microclimate information monitoring module. The master controller module comprises a central processing unit module, a storage module, a communication module and an auxiliary module. The microclimate information monitoring module comprises a transfer module and an in-situ monitoring module. The method includes an information monitoring and communication modeling step, a super short-term power prediction step based on microclimate monitoring, a rolling optimization step, and a micro grid energy management method based on multi-time scale coordination control. According to the device, sufficient consideration is given to convenience and real-timeness of microclimate information acquisition, and real-time monitoring of various microclimate characteristic quantities is achieved; cost is low, the convenience is high, the real-timeness is strong, and strong flexibility is achieved; the method enables step-by-step thinning to be carried out on a micro grid energy management process and enables the micro power grid monitoring and energy management device to have higher real-timeness and accuracy and to feed back and respond to wind, light and load fluctuation information in a micro grid timely.
Owner:SOUTHEAST UNIV

Machine-vision based liquid level detection device and method

The invention discloses a machine-vision based liquid level detection device and method. In the method, algorithm processing is carried out on a field liquid level image acquired by using an infrared camera to obtain real-time liquid level height information so as to obtain the instant height of the liquid level. In order to obtain the height information of the liquid level accurately and efficiently, five self-designed algorithms including a cameral distortion correction algorithm, a self-adaptation detection coordinate setting algorithm, a liquid level line segmentation algorithm, a data filter algorithm and a data setting algorithm are used in the machine-vision based liquid level detection device; and meanwhile, in order to implement the algorithms effectively, a calibration manner is introduced in the invention and is applied to a target tracking process of a camera. In the invention, a single-chip microcomputer of an ARM (Advanced RISC (Reduced Instruction Set Computer) Machine) series is used as a main processor. By adoption of self-adaptation coordination setting, the device is not only suitable for open type and / or closed type liquid level detection environments but also suitable for mechanical equipment positioning and product counting, and has a very broad application prospect.
Owner:HUNAN UNIV

Device for testing performance of automotive steering system

The invention discloses a device for testing the performance of an automotive steering system, comprising a steering simulating system, an axial loading system, a suspension fork simulating system and an automotive steering system, wherein the steering simulating system is used for simulating the rotation of a steering wheel in an automatic and manual mode; the axial loading system is used for simulating a steering load and loading the steering load to the automotive steering system (comprising a steering column, a steering gear, a tie rod and a simulation steering knuckle) through a Bell mechanism; the suspension fork simulating system is used for simulating wheel jumpiness during driving. The device for testing the performance of the automotive steering system is used for experimenting and testing the steering performance of an automotive steering in various driving conditions, such as experiments and tests of kinematic and mechanic parameters of full angle, transmission ratio characteristic, transmission clearance characteristic, transmission efficiency characteristic, driving moment, rigidity, relationship between steering performance and suspension fork jumpiness and the like. The device directly simulates the steering wheel to load the automotive steering through the Bell mechanism, so that the testing result is closer to a real working condition.
Owner:CHONGQING UNIV OF TECH

Vehicle positioning and speed measuring method based on dynamic video feature of vehicle

The invention relates to a vehicle positioning and speed measuring method based on the dynamic video feature of a vehicle, belonging to the technical field of intelligent transportation and close-range photogrammetry. The vehicle positioning and speed measuring method comprises the following steps: judging the vehicle dynamic video feature size in a video image within any time quantum in one video monitoring system according to vehicle dynamic feature parameters extracted from the video image which calibrates a vehicle traveling process, and reconstructing and reducing a dynamic video feature model of a to-be-measured vehicle traveling process corresponding to each image frame; and calculating an actual position and a vehicle speed value sequence corresponding to each image frame in the to-be-measured vehicle traveling process according to a mapping relation between the dynamic variation characteristic of the image feature size of a vehicle to be measured and the actual vehicle movement parameters, and thus acquiring the actual position and traveling speed information of the vehicle. The vehicle positioning and speed measuring method is easy to realize and high in accuracy, and is applicable to the demands of various vehicles on speed measurement in a road traffic video monitoring system.
Owner:SHANGHAI JIAO TONG UNIV

Multi-agent and heterogeneous communication technology based micro-grid intelligent measuring and controlling terminal and method

The invention discloses a multi-agent and heterogeneous communication technology based micro-grid intelligent measuring and controlling terminal, a multi-agent system and a measuring and controlling method of the multi-agent system. An element Agent, a micro-grid Agent and an upper-stage power grid Agent form a micro-grid multi-agent system. The intelligent measuring and controlling terminal comprises a master control module, a data acquisition module, a protection control output module and a heterogeneous communication module. The data acquisition module acquires real-time data information of base layer elements in the micro grid, the master control module stores and processes the real-time data information and sends the real-time data information to an upper micro-grid Agent through the heterogeneous communication module. Meanwhile, the master control module receives control instructions of the micro-grid Agent through the heterogeneous communication module and transmits the control instructions to the base layer elements in the micro grid through the protection control output module to control the work states of the elements. The intelligent measuring and controlling terminal and method have the advantages of being capable of achieving mutual communication of micro-grid complex heterogeneous communication networks, wireless, small in size, low in power consumption, low in cost and capable of improving the micro-grid safe and stable operation and power generation efficiency greatly.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST +1

Cage-stabilizing and cage-locking device for cage of vertical shaft

The invention discloses a cage-stabilizing and cage-locking device for a cage of a vertical shaft. The device consists of a first supporting seat (1), an oscillating platform (2), a cage-clipping device (3), a guiding device (4), a second supporting seat (5), an oscillating hydraulic cylinder or air cylinder (6) and a straight push hydraulic cylinder or air cylinder (7). The device is characterized in that: the oscillating platform (2) is hinged with the first supporting seat (1), and the oscillating hydraulic cylinder or air cylinder (6) is hinged with the oscillating platform (2) and the second supporting seat (5) respectively; the straight push hydraulic cylinder or air cylinder (7) is hinged with the cage-clipping device(3) and the first supporting seat (1) respectively; and the guiding device (4) and the second supporting seat (5) are connected by a spring. The cage-stabilizing and cage-locking device of the invention comprises two sets of cage-locking devices symmetrically arranged, and the forward and backward movements of the cage-clipping device are realized by the guiding device (4) and the straight push hydraulic cylinder or air cylinder (7). The device of the inventionhas a simple structure and can be conveniently assembled and tuned; and by using the device, the cage can be locked when assembled or disassembled, so that the cage is prevented from swaying up and down due to elastic change when being assembled and disassembled, and the stable assembly and disassembly of the cage is ensured. The device has the advantages of preventing skid of a wire cable, reducing the elastic deformation of the wire cable, and prolonging life time of the wire cable and the friction lining.
Owner:张金楼

Resilient four-link mechanical leg and test platform thereof

The invention discloses a resilient four-link mechanical leg and a test platform thereof. The resilient four-link mechanical leg comprises a large leg and a small leg both in strip shapes, the lower end of the large leg is hinged to the upper end of the small leg to form a knee joint, a driven wheel is fixedly connected to the small leg, a first motor is fixed to the upper portion of the large leg, a driving wheel fixedly sleeves an output shaft of the first motor, and the driving wheel is connected with the driven wheel through a synchronous belt; the middle of a strip foot is hinged to the lower end of the small leg, and a first damping spring is connected between the upper end of the foot and the upper portion of the large leg; thus the resilient four-link mechanical leg with timely response, accurate control and effective force transmission is provided; the resilient four-link mechanical leg is disposed on a conveying belt, a supporting seat fixed relative to the conveying belt is arranged, a support rod is mounted on the supporting seat, a connecting block is fixed to the support rod, a second motor is fixed to the connecting block, an output shaft of the second motor is fixedly connected with the upper end of the large leg of the resilient four-link mechanical leg, and a mechanical leg test platform small in size and simple in structure is provided.
Owner:CHONGQING UNIV

Storing article precise position information retrieving system and method

The invention provides an information retrieval system for the accurate storage position of stock articles and the method thereof. The system of the invention includes two parts of hardware and software. The hardware comprises six parts including a microcomputer for system management and data processing, a radio signal receiver, a plurality of special warehouse entry radio scanners, a plurality of special warehouse exit radio scanners, bar codes on an article storage rack layer, and bar codes of articles. The software comprises three subprograms including system management, data processing and inquiry display. The invention has the fundamental principle that the bar codes attached on the stock articles and the bar codes on the article storage rack layer are scanned through the radio scanners, after the analysis and the processing of the computer, the relation between each stock article and the storage rack layer is created, and the sequence information among the articles is confirmed, thereby obtaining the accurate storage position information of all stock articles, wherein, the information includes six level information including the building number, the floor number, the room number, the rack number, the rack layer number, and the sequence number of each layer where the article is positioned. The invention is characterized in that all stock articles do not need to sort and separate and stock in a fixed position, and the mixed positioning of various articles cannot influence the accuracy of the system information. In addition, the usage of the invention can reduce the workload for the article entry/exit warehouse, thereby improving the working efficiency of the entry/exit warehouse, and improving the space utilization rate of the storage rack.
Owner:SHANGHAI UNIV

Rail train displacement and speed detection system

The invention discloses a rail train displacement and speed detection system. The system comprises a background detection camera, a target detection camera, an active light source and a vehicle-mounted processor, all of which are arranged on a train. The light field of the active light source covers the view field, directly facing a steel rail, of the background detection camera and the view field, directly facing the steel rail, of the target detection camera; the vehicle-mounted processor compares the movement offset of two frames of adjacent background images collected by the background detection camera and the movement offset of two frames of adjacent target images collected by the target detection camera, and a first displacement and a second displacement in one image capture of the train are calculated in combination with imaging plane and rail plane height values; the vehicle-mounted processor conducts weighting calculation on the first displacement and the second displacement, and real-time displacement and speed of the train are obtained. The system has the advantages of being high in reliability, high in detection precision, low in cost, easy and convenient to install and maintain and wide in application range.
Owner:SHANGHAI ELECTRIC THALES TRANSPORTATION AUTOMATION SYST CO LTD

Method and system for monitoring total phosphorus and total nitrogen of water quality on line

InactiveCN101865833AStable and accurate continuous detectionStable and accurate forwardingWithdrawing sample devicesPreparing sample for investigationHuman–machine interfaceUltraviolet lights
The invention relates to a method and a system for monitoring total phosphorus and total nitrogen of water quality on line. The monitoring method comprises the following steps of: a, acquiring a water sample; b, performing ultraviolet digestion on the acquired water sample according to the principle of ultraviolet digestion and ultraviolet absorption methods; and c, discharging the digested water sample into a cuvette to perform ultraviolet absorption through ultraviolet light, and meanwhile calculating light intensity through a light sensitive sensor to obtain the concentration of pollutants. The detection system comprises a PLC, a CPU, a sample pretreatment device, a multi-way sampling valve, an injector, a reactor, a detector, a human-computer interface and a communication interface, wherein the sample pretreatment device, the injector, the reactor and the detector are connected to the multi-way sampling valve through pipelines respectively. The method and the system can efficiently, quickly, stably and accurately perform continuous detection, storage and forwarding on the concentrations of the total phosphorus and the total nitrogen, and have the advantages of high measurement precision, stable performance, high efficiency, small volume, light weight, convenient assembly and debugging, low cost, low energy consumption, independent use, long-term continuous work and the like.
Owner:UNIVERSTAR SCI & TECH SHENZHEN

Wireless intelligent thermodetector

InactiveCN102128683ASolve signal attenuationSolve the shortcomings of 24-hour on-the-job monitoringThermometer detailsRadiation pyrometryGeneral Packet Radio ServiceReal time analysis
The invention provides a wireless intelligent thermodector. The thermodetector is characterized by mainly comprising an advanced RISC (reduced instruction set computer) machine (ARM) processor (1), a Flash storage unit (2), a synchronous dynamic random access memory (SDRAM) (3), a general packet radio service (GPRS) module (4), an Ethernet interface (5), a geographic information system (GIS) module (6), a liquid crystal display (LCD) module (7), a keyboard input module (8), an analog / digital (A / D) converter-input (9), an A / D converter-output (10), a power supply module (11), an alternate current-direct current (AC-DC) module (12), a real-time clock (13), a multipath control input (14) and a multipath control output (15). The wireless intelligent thermodetector has the functions of automatic data recording and storage, real-time analysis, real-time display, clock synchronization, automatic monitoring (supervision), abnormal data warning, failure alarming, remote control, security management, automatic transmission, self-startup in outage and the like, has the advantages of simple structure, convenience for assembly and debugging and good reliability, and solves the problems of more conversion equipment, complicated equipment assembly, complicated cable distribution, slow abnormal response and the like in the conventional equipment.
Owner:南京卓越能源技术有限公司

Self-centering depth hole parameter measurement device

InactiveCN105371775AAccurate measurementTo achieve the purpose of fixing the shaft in the deep holeUsing optical meansMeasurement deviceEngineering
The invention discloses a self-centering depth hole parameter measurement device, comprising a centering device, a measurement recording device and a processing device. The centering device is arranged in a depth center of the workpiece and comprises a sleeve, a centering shaft, three conical bodies, six measurement rods and a spring. The recording device comprises two distance measurement sensors which are fixed on two ends of the centering shaft; the two distance measurement sensors are electrically connected to the control terminal; the processing device comprises a second motor, a reel and a flexible rope; one end of the flexible rope is connected to one end of the centering shaft; the other end of the flexible rope is wound on the reel; the rotation shaft of the reel is connected to the output shaft of the second motor; the two conical bodies move toward the two sides under the resetting force of the spring and a measurement rod slides inside a sliding groove, which causes the measurement rod to radially move outwardly until the measurement head of the measurement rod is abutted against the inner wall of the workpiece depth hole, and thus the two conical bodies are under a force balance state; and, at this time, the centering shaft is positioned on the axis of the depth hole, which achieves the goal of depth hole shaft centering and guarantees the precise measurement of the related parameters of the workpiece depth hole.
Owner:南京上环宇精密检测技术有限公司

Optical regulation lens frame suitable for mobile process full-solid state high power laser

An optical adjusting mount capable of movably processing all-solid-state high power lasers comprises a frame, a support and a fine adjustment screw pair, wherein a lens hole of the frame is internally equipped with a baffle ring, a retainer ring is disposed on the front of the baffle ring, four tension spring holes are positioned on the frame, the back face of the frame is equipped with a V-type groove, a concave groove and a ball tapered-groove, the side face of the frame is equipped with a cooling water inlet and an outlet, the support is equipped with four tension spring holes, two holes for the fine adjustment screw pair and a ball tapered-groove which correspond to the frame, the frame and the support are connected through tension springs, each of the ball tapered-grooves of the frame and the support are inlaid with a ball, the fine adjustment screw pair is respectively mounted in the two holes for the fine adjustment screw pair of the support, the front ends of the fine adjustment screw pair are respectively located in the V-type groove and the groove. The optical adjusting mount has the advantages of scientific reasonable design, compact structure, low material consumption and low cost, further utilizes the baffle ring made of low-hardness fine heat conductivity red copper to press the lens on the end face, thereby effectively reducing the lens temperature, and utilizes the V-type groove and the ball for positioning, thereby realizing stable and reliable groove limiting.
Owner:DALU AUTOMATION TECH SHENYANG

Flowmeter with middle through-hole movable throttling element connected with elastic membranes or bellows

The invention discloses a flowmeter with a middle through-hole movable throttling element connected with elastic membranes or a bellows, which belongs to the throttling flowmeter in the automatic detection technical field; the patent 'a middle through-hole movable throttling element flowmeter' depends on the thrust of the movable throttling element, and does not like a fixed throttling element which measures the flow according to the flow differential pressure, so a pressure pipe can be dispensed, the flowmeter is applicable to measuring small calibers and dirty liquids, the isolation, the pressure-bearing, the support and other functions of the flowmeter are all respectively realized through different components, and the integral structure is more complicated. The flowmeter adopts the elastic membranes or the bellows to be connected with the middle through-hole movable throttling element, the isolation, the pressure-bearing, the support and other functions are realized independently by the elastic membranes or the bellows, the integral structure of the flowmeter is greatly simplified, not only are all the advantages of the through-hole movable throttling element obtained, but also a plurality of performances are improved, and the invention makes the through-hole movable throttling element flowmeter which is a novel meter be more easily popularized and used.
Owner:王可崇

High speed magnetic suspension permanent magnet motor without bearing

The invention relates to a high-speed magnetic-suspension bearing-free permanent-magnetic machine, which comprises a shell, a stator core, a stator winding, a permanent-magnetic rotor, a rotating shaft, a left terminal cover, a right terminal cover, a left standby bearing and a right standby bearing. The stator core is divided into a right section and a left section and is provided with a groove that is used for holding the stator winding on the radial inner side and the radial outer side. The stator winding consists of a set of double-pole torque windings that are used for producing the electromagnetic torque and two sets of four-pole magnetic-suspension windings that are used for producing the rotor suspension force. The permanent-magnetic rotor consists of a permanent-magnet of a radial magnet-charging integral structure, a high-strength magnetic-conductive sheath and a fastening piece. The standby bearings are used for supporting the rotor when the high-speed motor is not powered on. The invention integrates the magnetic-suspension bearing and the permanent-magnetic machine, so that the stator and the rotor of the machine not only can produce the electromagnetic torque that drives the rotation of the motor, but also can produce the magnetic-suspension force that supports the weight of the rotor, thereby simplifying the structure of the machine, shortening the axial length of the machine, increasing the stiffness and the critical rotating speed of the rotor of the high-speed machine, and improving the stability of the operation.
Owner:SHENYANG POLYTECHNIC UNIV
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