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601results about How to "Waste less time" patented technology

Device and method for testing wall shear stress based on flexible heat-sensitive sensors

The invention discloses a device and a method for testing wall shear stress based on flexible heat-sensitive sensors. The device comprises a flexible heat-sensitive sensor array, a high-precision constant-current source, a signal conditioning circuit, a data acquisition module, a temperature compensation module, a data transmission module and a data processing and storage module. The device and the method have the intentional effects that the device adopts the flexible heat-sensitive sensors which are low in thickness, so that a flow field to be tested is hardly affected, and the accuracy and validity of testing are improved; the flexible heat-sensitive sensors are based on heat transfer theory and are fixed in the flow field by adopting an attaching method, so that the wall shear stress can be subjected to non-destructive real-time measurement, the change of underwater wall shear stress can be sensed effectively, impact of a wider range caused by water flow and impurities in water can be withstood, and the test on the underwater wall shear stress can be realized; and due to the adoption of the flexible heat-sensitive sensors, the flexible heat-sensitive sensors can be attached tightly according to the shape of a tested wall, so that the environmental adaptability of the device is improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Valet parking method and device

The invention provides a valet parking method and device. The valet parking method comprises the steps that 1, a global waypoint map and free parking space location information of a parking lot wherea vehicle is to be parked are acquired, and global path planning is conducted according to the global waypoint map and the free parking space location information; 2, automatic driving is started according to global path planning, vehicle vision information is acquired, and local path planning and obstacle avoidance processing are conducted according to the vehicle vision information; and 3, parking space searching is conducted when the vehicle is automatically driven to the position near a free parking space, and parking is conducted after the free parking space meeting the parking conditionis searched. According to the valet parking method and device, a T-box is taken as a valet parking information interaction entity, automatic parking of the vehicle is achieved through the vehicle-mounted vision information and the waypoint map without needing to depend on a high-precision map, parking lot fixed monitoring and GPS positioning information, the improvement cost of the parking lot canbe reduced, and time waste of a customer in the destination parking process is reduced.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Stable drilling device used for computer mainframe case structure

The invention discloses a stable drilling device used for a computer mainframe case structure and relates to the computer-related technical field. The stable drilling device comprises an outer frame, a cross plate is fixedly connected between the two sides of the inner wall of the outer frame, a screw rod is rotationally connected between the two sides of the inner wall bottom of the outer frame, moving blocks are in threaded connection with the two sides of the screw rod surface respectively, and a vertical rod is fixedly connected with the top of each moving block. The tops of the vertical rods penetrate through the cross plate and extend to the top of the cross plate, a fixing device is fixedly connected with the end, located on the top of the cross plate, of each vertical rod, a top frame is fixedly connected with the top of the outer frame, a first motor is fixedly connected with the inner wall bottom of the top frame, and a first belt wheel is fixedly connected with one end of a first motor output shaft. The stable drilling device used for the computer mainframe case structure achieves the aim of being suitable for cases different in size, the positions of the vertical rods can be adjusted, the cases different in size are easy to fix, the drilling quality is ensured, the drilling efficiency is improved, and the time waste is reduced.
Owner:合肥雷呈信息技术有限公司

HEBus efficient fieldbus system for preferably realizing shortest message in output and communication method

The invention relates to the technical field of industrial control, and provides a HEBus efficient fieldbus system for preferably realizing the shortest message in output and a communication method. The communication method comprises the following steps: a step 1, initial setting: after a system is powered on, a master station initially sets slave stations, if the initialization is not successful, fault processing in a step 2 is carried out, if the initialization is successful, ring network communication in a step 3 is carried out, data exchange of the master station and the slave stations can be completed by once frame transmission in a communication process, in the cause of a fault, a communication mode is switched to carry out point-to-point communication in a step 4 for assisting the ring network communication, and the ring network communication can be automatically recovered in the communication process; and in the case of an unrecoverable fault in the communication process, communication termination in a step 5 is carried out. In the communication process of the communication method provided by the invention, recursive transmission of the shortest message is preferably realized in the output, a data area is dynamically allocated, and the master station re-addresses the slave stations according to a descending order of net output values, therefore an optimal data transmission path is provided, the time wasted in the transmission process is shortened, and the data transmission rate can be greatly improved.
Owner:大连爱智控制系统有限公司

Honey processing process

The invention relates to a honey processing process. The honey processing process is characterized by comprising the following steps: (1) raw honey inspection; (2) (a) melting, wherein the heating temperature is 45-60 DEG C, and the heating time is 30-60 minutes or 4-8 hours according to the state of raw honey; (b) filtration, namely carrying out pressure filtration in a sealing device at the temperature higher than 40 DEG C so as to remove impurities and larger crystals; (3) vacuum concentration; (4) cooling. According to the honey processing process, the filtration step sequentially comprises rough filtration, fine filtration and refined filtration, wherein the temperature of the fine filtration is higher than that of the rough filtration, and the temperature of the refined filtration is higher than that of the fine filtration. The different processing time can be set according to different states of the raw honey, so that the pertinence is strong, not only can melting quality and the smooth operation of subsequent steps be guaranteed, but also the efficiency is increased, and the unnecessary time waste is reduced; besides, the filtration is performed three times, and the filtering temperatures are different, so that the efficiencies of each filtration process and the whole filtration are increased, and the purity of finished honey is improved.
Owner:SUZHOU POLYTECHNIC INST OF AGRI

Load and environment synchronous coupling simulation testing system and method

InactiveCN103776683AFacilitate damage and deterioration mechanismFacilitate the research of prevention technologyWeather/light/corrosion resistanceStrength propertiesTest chamberEngineering
The invention discloses a load and environment synchronous coupling simulation testing system and method, and belongs to an environment test chamber and loading device integrated system and method. The load and environment synchronous coupling simulation testing system consists of two parts including a loading device and an environment simulation device, wherein the loading device consists of three parts including a counter-force frame, a hydraulic jack or actuator and a dowel bar; the environment simulation device consists of two parts including a control table and a chamber body; the chamber body internally comprises a temperature system, a salt mist system, a spraying system, an illumination system, a gas injection system, a humidity monitoring system and the like. The load and environment synchronous coupling simulation testing system can achieve the simulation environments of multiple tests including salt mist, salt rain, getting wet in the rain, high-low temperatures, humidity, ultraviolet lamp illumination, acid gases and the like, can develop the structure damage degradation performance test in multiple factors of dry and wet alternation, cycle of freezing and thawing, corrosive gas pickling, corrosive liquid erosion, namely acid erosion, alkaline erosion and salt erosion solutions under a single effect or synchronous coupling effects, realizes synchronous coupling of environment simulation and load simulation, and can truly reflect the actual operation situation of a structure.
Owner:CHINA UNIV OF MINING & TECH

Self-service system for library

ActiveCN102479411ALess crowdedEasy to borrow and return booksCash registersLibrary cardData management
The invention discloses a self-service system for a library. The self-service system is characterized by comprising an artificial library data managing centre and a plurality of self-service book borrowing and returning machines, wherein the artificial library data managing centre is connected with respective self-service book borrowing and returning machine in a wireless or wired way; by means of the self-service book borrowing and returning machines, a library card is handled according to the identification card of a borrower, the self-service book borrowing of the borrower is finished and the self-service book returning of the borrower is finished; the borrower can log on the website of the library to browse webpage, make an appointment for borrowing books and input the equipment number; the artificial library data managing centre prompts a data protocol according to the equipment; books are put in a booking apparatus, replaced and re-filled in a stock to replace data by a library touring car at the fixed time. According to the invention, the borrowing time of the traditional library is prolonged, the work load of the book distribution stuff is lightened, the riding times of readers is reduced, the borrowing time is shortened, the unnecessary waste of time is decreased and the energy source is saved; furthermore, the convenience is brought for a reader with needs of borrowing and returning books and handling the library card.
Owner:河南申博文化传播有限公司

Method for transmission line tower forest fire alarming and positioning based on region block search strategy

ActiveCN104063981AImproving the efficiency of wildfire prevention and controlAvoid searchingClimate change adaptationFire alarmsLongitudePower grid
The invention discloses a method for transmission line tower forest fire alarming and positioning based on a region block search strategy. The method includes the following steps that basic data are collected; data of all transmission line towers in a target region are collected and comprise tower longitude and latitude coordinates, the names of lines where the transmission line towers are located, voltage classes and other information; sub-region division is conducted on all the transmission line towers; the data of all the transmission line towers are divided into blocks; fire point coordinates monitored by a transmission line forest fire satellite monitoring system are received in real time; sub-regions where fire points are located are judged; the towers of the sub-regions where the fire points are located are found. The block search strategy is provided, the region of the transmission line towers is divided into multiple sub-regions with the fixed size, only the sub-regions where the fire points are located or the towers in the sub-regions adjacent to the sub-regions are found and calculated, search for the rest of a large number of sub-regions is avoided, the calculation speed can be greatly increased, time waste caused by fire point alarming calculation is reduced, and forest fire prevention efficiency of a power grid is improved.
Owner:STATE GRID CORP OF CHINA +2

Positioning and drilling mechanism of vibrating disk spring piece production device

The invention relates to the field of mechanical equipment, in particular to a positioning and drilling mechanism of a vibrating disk spring piece production device. The positioning and drilling mechanism comprises an annular transferring belt, a positioning jig, a driving mechanism and a drilling mechanism, the positioning jig comprises a horizontally-arranged fixing frame and a moving piece, andthe drilling mechanism comprises a vertical drilling machine, a first moving assembly for driving the vertical drilling machine to move in the width direction of the fixing frame and a second movingassembly for driving the vertical drilling machine and the first moving assembly to move in the length direction of the fixing frame. The driving mechanism comprises a first driving assembly and a second driving assembly. In the positioning and drilling mechanism of the vibrating disk spring piece production device, the positioning jig and the driving mechanism are matched so that spring pieces ofany size can be clamped, when the spring pieces of other sizes need to be produced, production can continue being conducted only by means of the method that the first moving assembly adjusts the position of the vertical drilling machine, and the replacement time of the production work procedures of the spring pieces of different sizes is saved.
Owner:张俊杰

Vertical dual-sided CCD line scanning automatic detection platform for PCB (Printed Circuit Board)

The invention relates to a vertical dual-sided CCD line scanning automatic detection platform for a PCB (Printed Circuit Board). The comprises vertical dual-sided CCD line scanning automatic detection platform comprises a rapid cylinder type nozzle regulation mechanism (1), a cam arc dialing board positioning mechanism (2), a detection area vertical dual-sided CCD line scanning mechanism (3), a cam arc push plate mechanism (4), a cam baffle mechanism (5), a steel belt transport device (6), a rack (7), an inspection platform (8), an inspection post-position plate platform (9), a board distributing inspection region (10), a dual-sided vertical line scanning region (611), a bad board rejecting region (612) and a qualified board collecting region (613). According to the vertical dual-sided CCD line scanning automatic detection platform, due to the adoption of two-sided simultaneous scanning, the PCB is not needed to be overturned, thus the complexity of a mechanical structure is reduced; and because an overturning action is not needed, the efficiency reduction caused by overturning is eliminated. One time of production benefit can be increased, the volume of the vertical dual-sided CCD line scanning automatic detection platform is greatly reduced, and more vertical dual-sided CCD line scanning automatic detection platforms can be placed in same space, thus the utilization rate of a factory is effectively increased.
Owner:JOINT STARS TECH

Method for carrying out garment spraying by using cooperation robot

ActiveCN110421561ARealize process parameterizationStable spraying effectProgramme-controlled manipulatorHuman–machine interfaceInteraction interface
The invention discloses a method for carrying out garment spraying by using a cooperation robot. The method comprises the following steps that a robot spraying gesture template library is established;spraying parameters are set through a human-computer interaction interface of an upper computer; the information of the key sizes of garments are converted into the position information of the spraying key points; position correction values of the key points are input a parameter box of the human-computer interaction interface of the upper computer; a delay gun starting distance and a gun pre-stopping distance are set in a parameter input box of the human-computer interaction interface of the upper computer; the upper computer transmits process data to a robot controller; the robot controllerperforms spraying path planning according to the positions of all the key points; a human-computer interaction interface operation button on the upper computer is clicked, and the robot controller controls a robot to perform spraying; and the position correction values of the key points in the step 4 are changed according to the spraying effect to improve the spraying effect. By adopting the method, the spraying effect is stable, and the spraying efficiency is improved.
Owner:TIANJIN UNIV
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