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87results about How to "Increase cost input" patented technology

Nozzle for minisize gas-turbine combustor

The invention discloses a nozzle of a combustion chamber of a miniature gas turbine, relates to the gas turbine technology, and in particular to a small size fluid fuel nozzle used in a combustion chamber of a 100 kW level miniature gas turbine. The nozzle consists of three parts which are a fuel oil passage, a fuel air passage and an air channel at the root of a burner, comprehensively utilizes the advantages of pneumatic nebulization and pressure atomization, and is a combined type high performance pneumatic atomizing nozzle. The nozzle of the invention has the characteristics that: the nozzle adopts a conventional processing method to realize excellent atomization of the fuel in small scale space, so as to meet the requirement for the quality of fuel atomization under a quite wide burden of the combustion chamber of the miniature gas turbine; the nozzle can avoid burnout and overcomes the defect of nozzle blockage caused by high temperature coking of the fuel; meanwhile, the nozzle can make the fuel in the combustion chamber to be combusted more fully and reduce discharge of pollutants such as smoke black and so on.
Owner:江苏中国科学院能源动力研究中心 +1

Active anti-dazzle method and vehicle active anti-dazzle device

The invention relates to an active anti-dazzle method and a vehicle active anti-dazzle device. The methodcomprises the steps that dimming glass with a plurality of independent liquid crystal membrane partitions serves as a vehicle front windshield, the light intensity of each kind of light source in front of a vehicle is detected in real time, the light sources which can make a driver of the vehicle be dazzled are found out, by positioning the light sources which can make the driver of the vehicle be dazzled, the eyes of the driver and the dimming glass, the partition where the point of intersection of light rays, irradiating the eyes of the driver, of the light sources which can make the driver of the vehicle be dazzled on the dimming glass belongs is found out, and the light transmissivity of the corresponding partition is adjusted by adjusting current. The device comprises the front windshield, a controller, a light intensity detecting device, a light source position detecting device and a human eye positioning device; the front windshield is the electric-control dimming glass, and a liquid crystal membrane inside the dimming glass is set to be the multiple independent partitions; and the partitions, the detecting devices and the human eye positioning device are in data connection with the controller. The active anti-dazzle method and the vehicle active anti-dazzle device can achieve the active anti-dazzle function, improve the driving safety and effectively delay aging of interior trim of the vehicle.
Owner:HASCO VISION TECHNOLOGY CO LTD

Data transmission method and system between movable terminal and server end

This invention provides a data transmission method and a system between mobile terminals and server ends including: a WAPGW reports to the control end that the radio network negotiates with the mobile terminal to get the largest receiving bandwidth, the controller end determines data to be sent to the mobile terminal based on the maximum receiving bandwidth and the mobile terminal selects from the data to be sent to the mobile terminal and loads the necessary data.
Owner:HUAWEI TECH CO LTD

Active glare prevention method and device based on OLED display technology

The invention relates to an active glare prevention method and device based on an OLED display technology. The method comprises the steps that an OLED organic thin film provided with a plurality of mutually-independent OLED organic thin film partitions is inlaid in a windscreen; the light strength of each light source is detected in real time; a light source which enables a driver of a vehicle to feel glaring is found, and the light source, eyes of the driver and the windscreen are positioned; and a partition, on the windscreen, of the focus of a light ray of the light source irradiating toward the eyes of the driver is found, and a drive voltage is controlled to adjust the light transmittance of the corresponding partition. The device comprises the windscreen provided with the OLED organic thin film, a controller, light strength detection equipment, light source position detection equipment and human eye positioning equipment; the OLED organic thin film is provided with the multiple mutually-independent OLED organic thin film partitions; and each partition, each piece of detecting equipment and the human eye positioning equipment all are in datum connection with the controller. According to the active glare prevention method and device based on the OLED display technology, active glare prevention can be achieved, driving safety is improved, and aging of the vehicle interior can be effectively retarded.
Owner:HASCO VISION TECHNOLOGY CO LTD

Numerically-controlled machine tool comprehensive error three-stage optimized compensation method on basis of modifying NC program

The invention belongs to the field of multi-axis numerically-controlled machine tool comprehensive error compensation key technology research, and aims at solving the problem that in the prior art, a multi-axis numerically-controlled machine tool of which the machining precision is greatly reduced after being used for a long time is lack of a universal error compensation method.The invention provides a three-stage optimized numerically-controlled machine tool motion error offline compensation method, wherein three stages of optimization comprise a segmented refinement stage, a segmented optimization stage and a deep optimization stage.The method particularly comprises the following steps that on the basis of an existing NC program, a starting point position and a terminating point position of motion of a feed shaft or a main shaft are read in corresponding program lines, and segmented refinement is conducted on the track; all key point positions on the track are calculated, corresponding errors are obtained by applying a numerically-controlled machine tool position and posture prediction model, and primary optimization is conducted on the key point positions; iterative computation, taking a preset precision value as a constraint condition, is conducted on optimized point positions to achieve deep optimization.The method has good universality on multi-axis linkage numerically-controlled machine tools of different control systems.
Owner:SICHUAN UNIV

Method for preparing zirconia ceramic denture

The invention discloses a method for preparing a zirconia ceramic denture. The method comprises S1, injecting a zirconia ceramic feed for preparing a denture into a standard blank mold and carrying out molding to obtain a standard green blank bigger than the desired denture, S2, pre-sintering the standard green blank to obtain a presintered blank and discharging at least one part of a binder, S3, processing the presintered blank to obtain a denture shape having the size is magnified proportionally than the desired denture, S4, sintering the processed product at a high temperature higher than the presintering temperature in the step S2 so that the presintered blank is further compacted so that the presintered blank is shrunk to the size the same to that of the desired denture, and S5, grinding and polishing the compacted product to obtain a desired denture. The method reduces a denture production cost and improves a product yield.
Owner:DONGGUAN HUAJING POWDER METALLURGY

Electronic toll collection system

The invention discloses an electronic toll collection system comprising a beacon device used for broadcasting beacon information associated with the geographical location of the beacon device, a server used for receiving user-related information and the beacon information from a user side and calculating and collecting the toll according to the user-related information and the beacon information, and a toll gate used for automatically releasing vehicles authorized to pass according to a release license plate set issued by a retrieving server after the server collects the toll, wherein the beacon information is received by the user side from the beacon device, and the user-related information includes a user identifier, vehicle information and payment information.
Owner:CHINA UNIONPAY

Waste transfer station for urban underground logistics system and transfer method of waste transfer station

The invention discloses a waste transfer station for an urban underground logistics system and a transfer method of the waste transfer station. The waste transfer station is composed of an underground waste compression station, an ultra-deep transfer shaft and an underground transportation station, wherein the waste compression station located in an underground shallow layer space is connected with the transportation station located in an underground deep layer space by the transfer shaft; and the transportation station is connected with an interval tunnel of the underground logistics system. In the waste transfer station, urban household waste is discharged in the underground waste compression station and compressed into containers, the containers fully filled with the urban household waste are transferred to the underground transportation station through the ultra-deep transfer shaft by a gantry crane, and after the containers are placed in transportation box bodies, the transportation box bodies are output by an underground transportation pipeline. According to the waste transfer station, in combination with the process features of waste compression, boxing, storage, lifting and underground transportation, according to the waste compression transfer process, the underground logistics transportation capability and the storage requirement, the layout and the size of the waste transfer station are determined, and the complete underground intensification of an urban household waste collecting and transporting system is realized.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST GRP

Source return line selection method and device

The invention discloses a source return line selection method and device, wherein the method comprises following steps of receiving requests for requesting a server to provide target service; obtaining round-trip time when the requests are transmitted on source return lines; obtaining cost expended by the source return lines; determining the selection value of each source return line in the resource return lines according to the round-trip time obtained when the requests are transmitted on the source return lines and the cost expended by the source return lines; and selecting the optimum source return line form the source return lines according to the determined selection value of each source return line. According to the method and the device, the technical problem that in the prior art, the cost investment of the network operators is increased continuously due to selecting the line with the best quality when most websites execute source return tasks is solved.
Owner:CHINANETCENT TECH

Multi-direction hammering incremental forming method and products acquired by method

ActiveCN106844992AFlexible control of hammering directionFlexible control of local thicknessDesign optimisation/simulationSpecial data processing applicationsNumerical controlWavelength
The invention discloses a multi-direction hammering incremental forming method and products acquired by the method. According to the method, tool machining tracks are compiled into fluctuation machining tracks, the directions, wave lengths and amplitudes of the fluctuation tracks are changed, so that hammering directions, frequencies and amplitudes of a tool are controlled, and multi-direction hammering incremental forming of periodic contact between the tool and plates can be achieved on a three-axis numerical control milling machine and a special incremental forming machine. According to the method, non-uniform deformation of the plates in the common incremental forming process can be improved, so that the forming performance of the plates can be improved.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY +1

Negative electrode material, negative electrode plate, preparation method of negative electrode plate and all-solid-state lithium ion battery

The invention provides a negative electrode material, a negative electrode plate, a preparation method of the negative electrode plate and an all-solid-state lithium ion battery. The negative electrode material comprises coated lithium powder; silicon carbon powder; a conductive agent; and a solid electrolyte, wherein the coated lithium powder comprises lithium powder and a lithium-conducting coating layer coating at least one part of the outer surface of the lithium powder. In the negative electrode material, on one hand, the coated lithium powder is adopted, so that the activity of the coated lithium powder is greatly reduced compared with that of the lithium powder while the lithium can be effectively supplemented, no strict requirements for environment and equipment exist, the compatibility compared with the prior art is high, the production cost is lower, and meanwhile, the operation safety is greatly improved; and on the other hand, the solid electrolyte is added into the negative electrode material, so that the side reaction of the lithium powder and the solid electrolyte can be greatly reduced, the first coulombic efficiency can be effectively improved, and meanwhile, a lithium battery system has higher safety.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Production method of low-earing-rate extra-deep-drawing cold-rolling annealing low-carbon steel strip

ActiveCN109207696AIncrease cost inputHigh degree of randomizationReduction rateProduction line
The invention discloses a production method of a low-earing-rate extra-deep-drawing cold-rolling annealing low-carbon steel strip. The production method comprises the processes of smelting, continuouscasting, hot rolling, cold rolling and continuous annealing; as for the hot rolling process, after each pass of rough rolling, stopping is conducted for 20-30 s, the final rolling temperature of finish rolling is 860-880 DEG C, and the coiling temperature is 720-740 DEG C; and as for the cold rolling process, the cold rolling compression ratio is 62-83%. The production method is suitable for production of the high-quality deep-drawing low-carbon steel strip by a conventional continuous rolling production line and an annealing line, the 90% super-high cold rolling reduction rate is not needed,and the advantage that production is easy to control is achieved; and the cold-rolling annealing low-carbon steel strip has the product performance: the yield strength is 110-150 MPa, the tensile strength is 290-325 MPa, the elongation A80 is 40-60%, r90 is 2.80-3.3, and the finished earing rate delta r value is less than or equal to 0.60.
Owner:TANGSHAN IRON & STEEL GROUP +1

Bank demand entry level management method and system

PendingCN110751361ARealize the whole process management at the demand content levelReduce the risk of demand reworkFinanceNatural language data processingManagement systemOperations research
The invention provides a bank demand entry level management method. The method comprises: compiling a demand document according to a demand template; carrying out entry splitting on the demand document; extracting the split entries to generate a demand tracking matrix; and when the demand change exists, updating an entry state in the demand tracking matrix. The invention further provides a bank demand entry level management system, and multi-miscellaneous, scattered and disordered demand content level full-process management is achieved.
Owner:FUJIAN RURAL CREDIT UNION

Production method capable of controlling buckling of thin broad soft zinc-coated strip steel during cooling process

ActiveCN104372164ASolve the technical problems of cold dipperLow process implementation difficultyHot-dipping/immersion processesFurnace typesTO-18Chemical composition
The invention relates to a production method capable of controlling the buckling of a thin broad soft zinc-coated strip steel during the cooling process, and aims to solve the technical problem that a soft zinc-coated strip steel buckles during the cooling process after annealing in a horizontal furnace in the prior art. The production method comprises the following steps: preparing a thin broad soft zinc-coated strip steel, which is composed of the following chemical elements in percentage by weight: 0.0005 to 0.0025% of C, 0.05 to 0.20% of Mn, 0.030 to 0.080% of Ti, and the balance being Fe and inevitable impurity elements; controlling the compression ratio of the cold rolling product in a range of 60 to 85%, carrying out annealing on the rolled steel in a horizontal furnace after the cold rolling, controlling the heating temperature of strip steel in a range of 680 to 700 DEG C, carrying out annealing in a range of 810 to 850 DEG C, carrying out annealing for 36 to 60 seconds, controlling the tensile force of the strip steel in a range of 3 to 6 KN; cooling the annealed strip steel in different stages: cooling the strip steel to a temperature of 690 to 750 DEG C at a cooling speed of 9.8 to 18 DEG C / S, and then cooling the strip steel to a temperature of 480 to 560 DEG C at a cooling speed of 10 to 27 DEG C / S; then carrying out galvanization in a zinc boiler with a temperature of 460 DEG C, taking out the galvanized strip steel out of the zinc boiler, cooling the strip steel in the air to a room temperature, and then rolling the strip steel so as to obtain zinc-coated steel rolls. The provided method is suitable for cooling process after annealing in the production of soft zinc-coated strip steel.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD

Method for identifying rice blast biocontrol bacteria

The invention discloses a method for identifying rice blast biocontrol bacteria. The invention provides a method for identifying or complementarily identifying whether bacteria to be detected are rice blast biocontrol bacteria or not. The method comprises the following steps of: (1) placing a toothpick in a cultivation container paved with wet filtering paper and placing a plant leaf section which is colonized with the bacteria to be detected into the toothpick to be cultivated to obtain a cultivated leaf; (2) puncturing the surface of the cultivated leaf by utilizing the toothpick, wherein a leaf cuticle is not damaged; inoculating a rice blast spore suspension solution to punctured parts to obtain an inoculated leaf; and (3) continually cultivating the inoculated leaf to obtain a leaf to be observed, and observing the leaf to be observed. An experiment of the invention proves that the invention provides the method for identifying or complementarily identifying whether the bacteria to be detected are the rice blast biocontrol bacteria or not; the speed of a testing result of the method is fast; and after the bacteria are inoculated for 48 hours, whether bacillus to be detected resists rice blast bacteria or has the prevention and treatment effects on rice blast or not can be judged.
Owner:CHINA AGRI UNIV

Guidance and hanging separated cantilever beam composite structure of integrated climbing frame

The invention provides a guidance and hanging separated cantilever beam composite structure of an integrated climbing frame. The guidance and hanging separated cantilever beam composite structure comprises guide steel beams and hanging steel beams, wherein the guide steel beams and the hanging steel beams have the same cantilever supporting sections, and guide seat fixing ends are arranged at the forefront ends of the cantilever supporting sections of the guide steel beams. When the guidance and hanging separated cantilever beam composite structure is installed, the guide seat fixing ends are connected with integrated climbing frame fixing attachment supports, the outward extension lengths and positions of the cantilever supporting sections of the guide steel beams enable an integrated climbing frame top fixing attachment support and the two supports below floors to form a straight line on the same vertical plane. Unit hanging ends are arranged at the forefront ends of the cantilever supporting sections of the hanging steel beams, and hanging points and frame body bearing and hanging points are vertically coaxial during installation. The tail ends of the cantilever supporting sections of the guide steel beams and the hanging steel beams are fixed to a floor slab concrete structure through T-shaped plate screws and steel base plates. When the local outline or an individual floor of a building structure using the integrated climbing frame has adduction change, the process change of the integrated climbing frame can be decreased and an installation mode can be simplified by means of the guidance and hanging separated cantilever beam composite structure.
Owner:DALIAN BRANCH OF CHINA CONSTR EIGHTH ENG DIV CORP +1

Preparation method of nano silver/micropore polymer composite liquid bactericide

The invention discloses a preparation method of a nano silver / micropore polymer composite liquid bactericide. A certain amount of a nano silver ion solution and a micropore polymer material are mixedand evenly stirred to obtain the target product namely the nano silver / micropore polymer composite liquid bactericide. The prepared nano silver / micropore polymer composite liquid bactericide has the characteristics of well dispersed silver particles, agglomeration resistance, and high activity in the absence of a stabilizing agent. Furthermore, the activity of nano silver can last a long term, theliquid bactericide has the characteristic of long bactericidal effect, moreover, the operation of the preparation method is convenient, the preparation time is short, the technology is easy to control, and the preparation method is suitable for large scale production.
Owner:SHANGHAI NAT ENG RES CENT FORNANOTECH

Composite punching equipment of inner lining of refrigerator

The invention provides composite punching equipment of an inner lining of a refrigerator. The equipment comprises a pedestal, wherein the pedestal is symmetrically provided with two width adjustment platforms; a back punching component and a top lamp punching component are arranged between the two width adjustment platforms in sequence; the upper parts of the two width adjustment platforms are provided with side edge air hole punching mechanisms respectively; the two side edge air hole punching mechanisms are symmetrically arranged; a lamp switch punching component is arranged on one side of the side edge air hole punching mechanism on one platform, and a right punching component is arranged on the other side; original holes are punched in the way that each hole is punched by one punching equipment; the investment cost of the equipment is high, the production energy consumption is high, and the equipment is adverse to the environmental protection; all holes are punched at one time, so the production processes are reduced, the investment of the equipment is reduced, the production energy consumption of enterprises is reduced, the production efficiency of the enterprises is improved, and the production cost of the enterprises is reduced.
Owner:安徽金鼎机电装备制造有限公司

Disturbance area negative-sequence current judgment method

A disturbance area negative-sequence current judgment method used for load modeling includes steps as follows: A. three-phase voltage and current flown out from a bus are collected in real time by a monitoring device, each instantaneous value is recorded, voltage and current instantaneous values collected on site when a fault occurs are subjected to Fourier filtering according to Fourier transform, and fundamental wave components of the voltage and current instantaneous values are obtained; B. the symmetrical component method is applied to the fundamental wave voltage and current, and voltage and current negative-sequence components are extracted; and C. the voltage and current phase relation is solved according to the voltage and current negative-sequence components, if the measured negative-sequence current exceeds the negative-sequence voltage for an angle of Pi-Theta (Theta is the impedance angle of the impedance of a system in front of the monitoring device), when Theta is larger than or equal to 0 and smaller than or equal to Pi / 2, the fault occurs inside the area; and if the measured negative-sequence current falls behind the negative-sequence voltage for an angle of Theta1 (Theta1 is the impedance angle of the impedance of the load behind the monitoring device), when Theta1 is larger than or equal to 0 and smaller than or equal to Pi / 2, the fault occurs outside the area.
Owner:领步科技集团有限公司

Wireless remote-control mop

InactiveCN106137052AImproved storage structureIncrease cost inputCarpet cleanersFloor cleanersMOPSRemote control
The invention discloses a wireless remote-control mop, which comprises a mop body and a remote control device; the mop body comprises a mop head and a mop handle which are connected with each other; an automatic loading mechanism and an automatic unloading mechanism are separately arranged on the mop head; a lithium battery box is arranged at the bottom end of the mop handle; the remote control device comprises a control module and a controlled module; the control module comprises a remote controller and a wireless transmitting unit; the controlled module comprises a controller and a wireless receiving unit; and the controlled module is mounted in the mop head and is connected to a lithium battery in the lithium battery box. The wireless remote-control mop adopts a wireless remote control mode to realize automatic cleaning or material replacing operation of the mop, so that high-strength workload or relatively great cost investment as a result of conventional manual operation is avoided, working efficiency and cleaning effect are greatly improved, and operation is simple, convenient and practical.
Owner:太仓贝明家日用品有限公司

Conical-spout bushing plate integral punching extrusion compound forming die and forming method

ActiveCN110216163AProduce a work hardening effectAvoid crackingExtrusion diesPunchingEngineering
The invention provides a conical-spout bushing plate integral punching extrusion compound forming die and a forming method. The conical-spout bushing plate integral punching extrusion compound formingdie comprises a female die, an embedded sleeve, a first extrusion female die, a second extrusion female die, an extrusion male die, a first stamping male die, a second stamping male die, a third stamping male die and a fourth stamping male die. Each die is replaced and used in different technological stages respectively. The forming method comprises the steps that a regular metal plate is placedin a die cavity formed in a press machine, a technology with extrusion and stamping combined is adopted and a baseplate and a discharge spout are integrally formed, and a blank is in a strong three-way compressive stress state, and generation of cracks in the forming process is avoided. The conical-spout bushing plate integral punching extrusion compound forming die and the forming method are characterized in that the forming precision is high, the machining process is simple, and production efficiency is high.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Solar brushless controller

The invention discloses a solar brushless controller, and belongs to the field of solar equipment. The problem that electric equipment powered on by a solar cell panel cannot be self-started and is inconvenient to control in the prior art can be solved. The solar brushless controller comprises a controller shell and an internal control circuit. The control circuit comprises a single-chip microcomputer main control circuit. The single-chip microcomputer main control circuit is used for inputting a hall signal, a rotating speed control signal, a current-limiting over-current detection signal anda brake signal of a brushless motor, and outputting a front-stage driving signal of an electronic commutator so as to control the operation of the brushless motor. A power supply circuit is used foracquiring the electricity of the solar cell panel, carrying out voltage transformation on the acquired electricity and then supplying the power to the controller and the motor. The solar brushless controller further comprises a self-starting circuit. The self-starting circuit controls the starting of the brushless motor. According to the invention, the direct-current brushless motor is driven directly by the direct current generated by utilizing the solar energy without any battery. Meanwhile, the remote monitoring and opening / closing functions are realized by utilizing existing mobile phone signals.
Owner:ANHUI HUANGHE WATER RESOURCE POLYTRON TECH INC

Bid control method and apparatus

The object of the application is to provide a bid control method and apparatus. The method includes: obtaining a current effect index of target information in a bid word according to bid information of the target information in the bid word; if the current effect index is lower than an expected effect index of the target information in the bid word, obtaining the optimal bid ranking for enabling the target information to reach the expected effect index in the bid word; and bidding the bid word according to the bid price corresponding to the optimal bid ranking. Compared with the prior art, the current delivery effect of the target information is obtained, an expected delivery effect is preset, if the current delivery effect does not reach the expected delivery effect, the optimal bid ranking for enabling the target information to reach the expected delivery effect is automatically calculated, and the bid word is bid according to the bid price corresponding to the optimal bid ranking, therefore, the advertisement delivery effect is guaranteed, only minimum price adjustment is needed, and the lowest delivery cost is guaranteed.
Owner:ALIBABA GRP HLDG LTD

Detachable anchor device for cantilever section steel beam

The invention discloses a detachable anchor device for a cantilever section steel beam, which comprises a bottom plate arranged on the bottom surface of a concrete plate and a pressure plate for fixing the cantilever section steel beam on the top surface of the concrete plate. A plastic thin film is paved on the bottom plate and is isolated from the concrete plate; four screws are respectively and vertically fixed on four corners of the bottom plate; the screws pass through the concrete plate and sleeves are sleeved outside the screws to separate the screws from the concrete plate; the four corners of the pressure plate are sleeved on the screws; and nuts are screwed on the screws; and the pressure plate is pressed down by the nuts. The anchor device disclosed by the invention is detachable, can be turned around for use, has no waste and has high safety performance; and the using safety of an outer frame is ensured.
Owner:ZHONGTIAN CONSTR GROUP

Software interface field data standardization method and device, equipment and medium

The invention provides a software interface field data standardization method and device, equipment and a medium. The method comprises the following steps: a software interface field acquisition and maintenance process: importing a software interface field of a basic data standard by setting a software interface field library in a demand stage, and initiating a maintenance means to maintain the software interface field when the demand cannot be met; and a synchronization process of the software interface field: periodically monitoring the difference between the software interface field in thesoftware interface field library and the basic data standard in the data management and control portal at the demand stage, and carrying out bidirectional synchronization. According to the method, thebasic data standard is quoted in the demand stage of system construction, standardization of the software interface field can be controlled from the demand source, the integrity of the basic data standard can be enriched from the business demand level, and therefore a good circulation mechanism is formed.
Owner:FUJIAN RURAL CREDIT UNION

Automatic calibration method and device for infrared temperature measurement equipment

The invention provides an automatic calibration method and device for infrared temperature measurement equipment. The automatic calibration method comprises the following steps: an environment temperature calibration step and a target temperature calibration step. The environment temperature calibration step comprises the steps of placing the infrared temperature measurement equipment in a constant-temperature environment, automatically obtaining the actual temperature of the constant-temperature environment, and calibrating the constant-temperature environment temperature measured by the infrared temperature measurement equipment. The target temperature calibration step comprises the steps of placing the infrared temperature measurement equipment in a black body for temperature measurement calibration, automatically obtaining the actual temperature of the black body target, and calibrating the temperature of the black body target measured by the infrared temperature measurement equipment. The invention further provides the automatic calibration device using the method. The automatic calibration device comprises an environment temperature automatic calibration device and a target temperature automatic calibration device. According to the automatic calibration method and device, automatic calibration can be carried out on the infrared temperature measurement equipment, generation of calibration deviation is effectively avoided, the measurement precision of the equipment is improved, the calibration efficiency is high, and the cost is low.
Owner:深圳市科陆精密仪器有限公司

One-machine multi-antenna GNSS signal switch

The invention relates to a one-machine multi-antenna GNSS signal switch, comprising a plurality of antenna interfaces, two serial ports and a power interface; the antenna interfaces are used for wiredconnection with a positioning antenna through antenna cables, and the power interface and the serial ports are connected to a monitoring host; and the switch further comprises a singlechip and an antenna switch, wherein the singlechip controls the antenna switch to be switched to a monitoring antenna to be connected. By setting the plurality of antenna interfaces and the antenna switch, a plurality of displacement monitoring points share one monitoring host and can be automatically switched between the connected monitoring antennas according to the set frequency, and the monitoring and positioning data of different antennas is transmitted to the monitoring host, so that one monitoring host monitors the displacement of the plurality of monitoring points. The switch used in a monitoring system with dense monitoring points can greatly reduce the monitoring and later operation and maintenance costs. Compared with the conventional monitoring equipment, the switch can increase the cost input to the hardware, power supply, communication and construction, and improve the stability of the monitoring equipment.
Owner:SHENZHEN BEIDOUYUN INFORMATION TECH CO LTD

3-35kv electromagnetic multi-functional voltage transformator

The invention relates to a 3-35kV electromagnetic multi-functional voltage transformator which comprises an iron core, a primary winding and a main secondary winding; the primary winding and the main secondary winding are wound on the iron core; an auxiliary secondary winding is also wound on the iron core; and a tap is arranged on the auxiliary secondary winding. According to the voltage transformator, the auxiliary secondary winding with the tap is additionally arranged on the iron core, so that the functions of a grounded transformator and a non-grounded transformator are realized on the same transformator, and the 3-35kV electromagnetic multi-functional voltage transformator has a simple and compact structure, low losses and no local discharge, is convenient to use, has high safety performance, is maintenance-free, and is applicable to 3-35kV voltage systems.
Owner:江苏科兴电器有限公司

One-machine and multi-antenna GNSS displacement monitoring system and method

The present invention relates to a one-machine and multi-antenna GNSS displacement monitoring system. The system comprises a multi-antenna system, a monitoring host and a monitoring background; the multi-antenna system comprises a reference antenna, a plurality of monitoring antennas and a multi-antenna switching control module; the reference antenna and the multi-antenna switching control moduleare in wired connection with the monitoring host, the monitoring antennas are in wired connection with the multi-antenna switching control module; the monitoring host comprises a data receiving processing module, a signal transmission module and a power supply module, the data receiving processing module is configured to process position data of the reference antenna and the monitoring antennas, and the signal transmission module is configured to transmit the position data of the reference antenna and the monitoring antennas to the monitoring background; and the monitoring antennas are in wireless communication connection with the monitoring background. The monitoring system is employed in the displacement monitoring with dense monitoring points to greatly reduce the monitoring and later maintenance operation, the monitoring points only need one hardware device to achieve effective monitoring, reduce the monitoring cost and improve the stability of the monitoring device.
Owner:SHENZHEN BEIDOUYUN INFORMATION TECH CO LTD

Rolling method capable of prolonging service life of roller for conventional hot continuous rolling thin-specification strip steel

The invention discloses a rolling method, particularly discloses a rolling method capable of prolonging service life of a roller for conventional hot continuous rolling thin-specification strip steel,and belongs to the technical field of steel plate steel strip rolling processes. The rolling method capable of prolonging the service life of the roller for the conventional hot continuous rolling thin-specification strip steel is simple in process and low in investment cost. The rolling method prolongs the roller surface oxide film damage and falling time to achieve the aim of prolonging the service life of the roller by adopting of segmented quantitative rolling arrangement, rolling pass flexible section of a rough rolling unit and cooling control of finished product rolling, and finished product rolling is a finishing mill mechanism.
Owner:PANGANG GRP PANZHIHUA STEEL & VANADIUM
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