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60results about How to "Get rid of influence" patented technology

Electric cable conductor transient-state temperature determining method and determining device

The invention relates to an electric cable conductor transient-state temperature determining method and a determining device, comprising the following steps: initial temperature value is measured, andthe initial temperature value is a cable skin temperature value or a protective metal sleeve temperature value; according to the initial temperature value, the cable skin temperature value or the protective metal sleeve temperature value is determined to be unchanged, the transient-state temperature rise of a first cable conductor is determined only under the cable loading action; according to the initial temperature value, the transient-state temperature rise of a second cable conductor is determined under the condition that the cable loading is zero; the initial temperature value, the transient-state temperature rise of the first cable conductor and the transient-state temperature rise of the second cable conductor are summed to obtain the transient-state temperature of the cable conductor, as the transient-state temperature of the cable conductor is obtained by deducing the real-time value of the cable skin temperature or the protective metal sleeve temperature, heat resisting coefficient of surrounding mediums, which is hard to hold in a real-time manner, is avoided, and the effect of external environment factors to the calculation of the cable conductor temperature is castedaway, and the calculating precision of the electric cable conductor transient-state temperature is improved.
Owner:SOUTH CHINA UNIV OF TECH +1

Fully-automatic single blanking mechanical arm

The invention provides a fully-automatic single blanking mechanical arm. A loading plate device, a loading arm device, a blanking device, a horizontal conveying device, an unloading arm device, an upper partition paper device and a finish product collecting device are mounted on an existing punch press to form an excellent structural design, so that the fully-automatic single blanking mechanical arm can complete operations of loading, conveying, blanking, movement and the like of FPC (flexible printed circuit) boards; the cooperation of all the parts enables the fully-automatic single blanking mechanical arm to meet the requirements of single production, so that the problems existing in the signal production such as high labor intensity, high work-related injury risk, low production efficiency, large worker quantity and personnel instability can be solved.
Owner:SHENZHEN MAKEN M & E

Machine vision-based overprint error detection method

The present invention provides a machine vision-based overprint error detection method. According to the method, a target image is acquired through a camera, wherein the target image contains a plurality of positioning marks; the area of the positioning marks is calculated, if the difference value of the area of the positioning marks and a standard area is not larger than a specified threshold value, and template matching is used to extract the centers of the positioning marks; overprint error is detected according to the deviation quantity of the positions of the centers and standard positions; if the difference value of the area of the positioning marks and the standard area is larger than the specified threshold value, edge segmentation is adopted to extract the edges of the positioning marks, and overprint error is detected according to the deviation quantity of the positions of the edges and standard positions; and after the error detection is completed, and a printer is automatically adjusted. According to the method of the invention, the image segmentation and the template matching are utilized, so that the technical problems of large computation quantity, large error, low robustness and incapability of performing automatic adjustment according to error in the prior art can be solved. The method is suitable for being popularized in the printing industry.
Owner:TONGJI UNIV

Novel wireless elevator door machine control system

The invention relates to a novel wireless elevator door machine control system, which realizes wireless control over an elevator door machine by using embedded software and hardware. The wireless elevator door machine control system comprises a wireless elevator door machine controller, a wireless elevator door machine operator and a wireless door machine embedded software module which is arranged on the wireless elevator door machine controller and the wireless elevator door machine operator, wherein the wireless door machine embedded software module which is arranged on the wireless elevator door machine controller and the wireless elevator door machine operator comprises a micro controller module, an input command processing module, a current sampling module, a moment detection module,a dual in-line package (DIP) state selection input module and the like. By the novel wireless elevator door machine control system, operational parameters of the elevator door machine controller can be set wirelessly, the influence of data lines can be eliminated, site operation is more flexible, and the work efficiency of installation and debugging personnel is higher. After the door machine controller fails, an operator liquid crystal display matched with the door machine controller can be used for reading false codes, and faults can be more intuitively and efficiently eliminated.
Owner:BRAUN ELEVATOR ZHANGZHOU

Novel graded gas filtering device

The invention discloses a novel graded gas filtering device and belongs to the technical fields of medical equipment and health care. The novel graded gas filtering device comprises a shell part and a filtering part; the shell part comprises an upper cover and a lower shell. The upper shell and the lower shell are in firm and sealed connection; the filtering part is used for filtering by grades according to the sizes of object particles in gas and is mounted and fixed on a convex ring of the upper cover. The upper cover is mainly combined with the filtering part, so that the aim of fixing components of the filtering part is realized, and the filtering part and the upper cover have very good firmness and sealing property after being mounted; the shell part is mainly used for protecting the filtering part and risk of damaging the filtering part is avoided. The novel graded gas filtering device disclosed by the invention can be used for filtering gas discharged in a laparoscopic surgery and a surgery environment of a medical establishment is effectively protected from pollution, so that the physical and psychological health of medical personnel and patients is guaranteed; meanwhile, the novel graded gas filtering device has the advantages of simple structure, convenience for operation, high gas filtering efficiency, safety and cleanliness and the like.
Owner:ANHUI YOUNIKE MEDICAL TECH CO LTD

Method for floating breeding of cabbage seedling

The invention discloses a method for breeding of cabbage seedlings. An artificially prepared substrate is adopted to breed cabbage seedlings in a rainproof greenhouse, harm of diseases, pests and weeds which can be spread in soil can be avoided, various effects on the cabbage seedlings caused by difficult-to-control defects of physical and chemical properties of soil can be eliminated completely, normal growth of the cabbage seedlings can be ensured, environmental conditions of the nutrients, temperature, moisture and light required for growth of the cabbage seedlings can better provided, adverse effects of dramatic changes in the environmental conditions on the seedling breeding process can be avoided, smooth breeding of the cabbage seedlings can be ensured, and commercialized and intensified scale production of the cabbage seedlings can be realized. Large quantities of uniform, delicate, disease-free and robust cabbage seedlings can be cultivated in a short term, the breeding period of the seedlings can be shortened, the uniformity of transplanted seedlings can be improved, concentrated transplanting of the cabbage seedlings in a contiguous region in the best seasons can be ensured, the consistency and uniformity of growth of cabbage plants can be improved, and a good foundation can be laid for balanced and efficient production of cabbages.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES +1

Vehicle control system

The invention relates to the field of intelligent car control, in particular to a vehicle control system. The vehicle control system comprises movable control equipment provided with a vehicle control unit, and a controlled vehicle. The controlled vehicle comprises a vehicle-mounted terminal, and the vehicle-mounted terminal conducts data interaction with the vehicle control unit through a wireless network. After being wakened, the vehicle-mounted terminal receives and responds to control instructions of the vehicle control unit. The vehicle control system is characterized in that the vehicle control unit remotely controls the controlled vehicle through a remote wireless communication network, and the vehicle control unit conducts short-distance control over the controlled vehicle through a short distance wireless communication network.
Owner:HOZON NEW ENERGY AUTOMOBILE CO LTD

Blade tip tower clearance monitoring method

ActiveCN111911364AMonitor clearance distanceReal-time monitoring of clearance distanceMachines/enginesWind motor monitoringFan bladeTower
The invention discloses a blade tip tower clearance monitoring method. The method comprises the following steps that 1, an image which comprises a blade tip of a fan blade and a tower is captured in advance, and an actual clearance value L between the blade tip and the tower is obtained; 2, the mapping relationship L=F(D) between the actual clearance value L between the blade tip and the tower andthe pixel distance D between the tower and the blade tip in the image is established; 3, the image containing the blade tip and the tower is obtained in real time, and a current pixel distance between the blade tip and the tower in the image is calculated and acquired in real time; and 4, a current actual clearance value is obtained in combination with the current pixel distance between the bladetip and the tower drum and the mapping relationship L=F(D). According to the blade tip tower clearance monitoring method, real-time tracking and monitoring of the clearance of the blade tip and the tower of a wind driven generator are realized.
Owner:SHANGHAI ELECTRIC WIND POWER GRP CO LTD

Overline operation crane for high-speed railways

The invention relates to an overline operation crane for high-speed railways, belongs to the field of cranes and particularly relates to high-speed railway and rail transit cranes. Two transversing mechanisms including a front transversing mechanism and a back transversing mechanism are respectively erected on four supporting trolleys of a double-line rail, and are in butt joint with the crane through auxiliary supporting legs, and the crane is separated from the original rail line under action of auxiliary supporting leg jacking cylinders, and transverses to the middle of the double-line rail. The front transversing mechanism and the back transversing mechanism moves to be close to the center of the crane together with the front and back corresponding supporting trolleys by retracting effect of the auxiliary supporting legs. Until the auxiliary supporting legs are retracted completely, four crane supporting legs of the crane are unfolded, ball hinges at the tail ends of cylinders of the four crane supporting legs are disposed in ball hinge seats of longitudinal beams of the four supporting trolleys on the double-line rail, and then acting force of the crane to a single-line rail is distributed to the double-line rail successfully, so that operations including overline craning and the like can be carried out for the high-speed railways, and requirements for large-tonnage cranes during rescue and construction on bridge sections of the high-speed railways are met.
Owner:WUHAN BRIDGE INDUSTRIAL EQUIPMENT COMPANY LTD

Vehicle-road coordination control system for intelligent bus, and application method of vehicle-road coordination control system

The invention provides a vehicle-road coordination control system for the intelligent bus, and an application method of the vehicle-road coordination control system. The system comprises vehicle station control branch centers, a general dispatching control center, passenger cellphone clients, and online intelligent operation vehicles. The vehicle station control branch centers are respectively disposed in all buses, and control the online intelligent operation vehicles, achieve the sharing of the real-time information with the general dispatching control center and the online intelligent operation vehicles, and complete the dispatching of the online intelligent operation vehicles. Each bus stop is disposed in an expressway service area, and the online intelligent operation vehicles just run on an automatic drive exclusive lane of an expressway. The control system in the invention is a completely intelligent operation system, can achieve the information intercommunication with passengers, is convenient in operation, and meets the intelligent travel demands of the passengers. The online intelligent operation vehicles of a clean energy type are all of an automatic drive type, therebyreducing the labor force, and achieving the efficient and green travel for the passengers.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Frequency modulation (FM) Doppler distance measurement signal processing device

InactiveCN102508236AElimination of Leakage Signal EffectsAchieve sharingRadio wave reradiation/reflectionSoftware engineeringBand-pass filter
The invention relates to a frequency modulation (FM) Doppler distance measurement signal processing device, which comprises a high frequency active band-pass filter, a low frequency active band-pass filter, a double mixer, two automatic gain amplifiers, two diode envelope detectors and a single chip microcomputer. The working principle of the FM Doppler distance measurement signal processing device is that difference frequency signals with distance information respectively output second harmonic and fourth harmonic to the double mixer after filtering through the two active band-pass filters, the double mixer mixes the second harmonic and the fourth harmonic respectively with local oscillating signals input from the single chip microcomputer to output two-way sine wave signals, the two sine wave signals are then respectively subjected to gain of the automatic gain amplifiers and envelope detection of the diode envelope detectors, two-way envelope signals containing distance information are obtained and output to the single chip microcomputer, the single chip microcomputer carries out comparison operation for the input two-way envelope signals and judges whether to start detonating signals according to the obtained results. The FM Doppler distance measurement signal processing device has the advantages of being good in distance cut-off characteristics, strong in capacity of resisting disturbance, high in reliability of distance determination and the like.
Owner:SUZHOU R&D CENT OF NO 214 RES INST OF CHINA NORTH IND GRP

Range automatic switching circuit for fume concentration online monitoring system

A range automatic switching circuit for a fume concentration online monitoring system comprises a singlechip PIC 16F876A for providing a control signal (N1), a photocoupler TLP521-1(U1), a signal relay(TO-2), an analog amplification chip LF256(U2), an analog amplification chip AD622(U3), characterized in that the singlechip collects A / D output signal, determines whether to switch range according to software algorithm, provides the control signal N1, changes switch on or off of the signal relay(TO-2) through the photocoupler TLP521-1(U1), changes an external amplification resistor of the analogamplification chip AD622(U3), and changes output of the analog amplification chip LF256(U2) through regulating a slide rheostat(W1), therefore the output voltage value of the circuit is regulated. The invention has the beneficial effect that the PIC singlechip can automatically determine whether the range is necessary to modify according to the input signal, can automatically switch the range without additional manual operation, and is applicable for the range automatic switching circuit of the fume concentration online monitoring system.
Owner:中科天融(北京)科技有限公司

Treatment method and treatment apparatus for packaged drinking water

The present invention discloses a treatment method and a treatment apparatus for packaged drinking water. The method comprises a coarse filtration step, an ultra-filtration step, an active carbon filtration step, an ultraviolet sterilization step, a two-stage reverse osmosis step and an ozone sterilization step. With the method and the apparatus of the present invention, the quality of packaged purified drinking water products can be balanced.
Owner:康师傅饮品控股有限公司

Novel agricultural livable eco system

The invention relates to a novel agricultural livable eco system, which comprises a sunlight greenhouse, a biogas digester, a cultivation shed, a field piece and a house, wherein the biogas digester is communicated into each gas houses through pipelines; the cultivation shed is vertical to the sunlight greenhouse; the field piece is divided into a plurality of units with rectangular structures through field ditches; the house is opposite to the sunlight greenhouse, the cultivation shed or the field piece; roads for transporting are arranged opposite to a side door of the house and on the rear side of the house. The novel agricultural livable eco system realizes organic combination of agricultural cultivation, animal feeding and household planting, and the biogas digester can treat garbage and provides energy for producing biogas, so that the livability of the novel agricultural livable eco system is improved. According to the novel agricultural livable eco system, only the field piece needs to be modified slightly, and the eco system suitable for living, agricultural cultivation and animal feeding can be built in local. The novel agricultural livable eco system does not affected by the conditions of the field piece, can get rid of the influence of weather on cultivation, and meanwhile, is very suitable for living.
Owner:韩承海

Output and measurement system and method for humidifying amount of breath humidifying treatment instrument

The invention provides an output and measurement system for the humidifying amount of a breath humidifying treatment instrument. The system comprises a breath humidifying treatment instrument host, ahumidifier, a water storage container, a conveying mechanism, an air inlet air channel and a warming breathing pipeline. The air inlet air channel is provided with a flow sensor and a humidity sensor,a water flow sensor is arranged on the conveying mechanism, and the breath humidifying treatment instrument host is provided with a microcontrol unit. Compared with the prior art, the output and measurement system for the humidifying amount of the breath humidifying treatment instrument is simple and effective, and realizes real-time and accurate output and measurement. An output and measurementmethod for the humidifying amount of the breath humidifying treatment instrument is concise and effective in step and high in measurement precision.
Owner:HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD

IPv6 route announcement method based on SDN and system

ActiveCN111478853AResponsive auto buildImplement custom packagingData switching networksData packEngineering
The invention relates to an IPv6 route announcement method based on an SDN and a system thereof. The IPv6 route announcement method based on the SDN comprises the following steps: acquiring a first route announcement data packet; modifying at least one piece of field information of the first routing data packet to assemble a second routing announcement data packet; and forwarding the second routing announcement data packet to a cloud host through an SDN switch. According to the IPv6 route announcement method based on the SDN and the system, the first route announcement data packet is obtained;the IPv6 routing announcement message data packet is packaged in a self-defined manner, the field information in the first routing announcement data packet is modified to form the second routing announcement data packet, the self-defined packaging of the IPv6 routing announcement message data packet is realized, more comprehensive data configuration is provided, the networking logic of the cloudVPC is fused, and the automatic construction of the cloud network is responded.
Owner:GUANGZHOU BINGO SOFTWARE

Learning type time-controlled tracking device and tracking method thereof

The invention provides a learning type time-controlled tracking device and a tracking method thereof. A solar panel is used as a light sensing device to measure the daytime duration, and the tracking start and stop of the solar panel are determined. A travel limit switch is used as an azimuth reference. The daytime duration of the previous day is used as the tracking tine of the day, and the tracking rotation angle of the solar panel of the day is determined. The device can adapt to sunshine time changes and solar angle changes in different regions and different seasons, and completely gets rid of the influence of latitude, longitude and clock. The device provided by the invention has the advantages of simple structure, low cost, reliable operation and high adaptability, is less subject to environmental influence, and is free of manual setting and intervention. Compared with a real-time detection tracking system, the device is greatly simplified, is effectively prevented from the influence caused by climatic conditions and geographical environment, and has greatly improved reliability. Compared with the existing fixed-angle and fixed-duration time-controlled tracking method, the device has significantly improved tracking accuracy.
Owner:XIAMEN TOPUNIVE TECH

Novel unmanned aerial vehicle flight controller module

The invention relates to a novel unmanned aerial vehicle flight controller module which comprises a vibration damping frame that is used for supporting a whole sensor unit. The bottom of the vibration damping frame is provided with a main control circuit board. The periphery of the main control circuit board is provided with semi-hole pins for connecting with an external system. The vibration damping frame is internally provided with a sensor unit. The sensor unit comprises a sensor circuit board, a counterweight steel block and a rubber band. The counterweight steel block is arranged at the central position of inside of the vibration damping frame. The sensor circuit board is arranged on the side surface of the counterweight steel block. The sensor is integrated on the sensor circuit board. The rubber band is connected with the sensor unit and the top corner of the vibration damping frame. The whole sensor unit is arranged at the central position in the vibration damping frame. The novel unmanned aerial vehicle flight controller model is a whole flight control system. Through an unique vibration damping mode, a flexible interface and an advanced control algorithm, not only is commodity flight control performance realized, but also high flexibility in open source flight control is obtained.
Owner:陈龙

Wood drying shed and building and using methods thereof

The invention discloses a wood drying shed and building and using methods thereof. The wood drying shed comprises arch bars, a film and film doors. The multiple arch bars are regularly arrayed, and the film is fixed to the outer sides of the arch bars; the film doors are arranged on the two end faces of an end; the drying shed is internally provided with an automatic temperature and humidity recorder, exhaust fans and heaters; the exhaust fans are arranged on the two longitudinal sides of the drying shed, each side is provided with two exhaust fans, and the distance is 3 m-6 m, and the exhaustfans are 1.2m-2.1m higher than the ground; and the heaters are arranged on an aisle, and the distance is 3 m-6 m. The building and using methods comprise the steps of selecting an address, building afoundation, building the drying shed, installing a wood stacking frame, installing instruments, stacking woods, carrying out adjusting and carrying out measuring and recording. The wood drying shed has the beneficial effects that the wood drying time and the moisture content can be controlled, the cost is low, the environmental effects are eradicated, and popularization is facilitated; and the building and using methods of the wood drying shed are provided, the building process of the wood drying shed is simple, building is rapid, operation is easy and convenient, the wood drying time is short, the wood drying effect is good, and no pollution is caused to the environment.
Owner:重庆市园林建筑工程(集团)股份有限公司

Signal triggering device and wearable equipment

The embodiment of the invention relates to the technical field of communication electronics, and discloses a signal triggering device and wearable equipment. According to the invention, a rotating part comprises a driving component and a rotating component. When the driving component rotates, the rotating component is driven to rotate. The rotating component is divided into a first contact part and a second contact part which are conducted; a first conductive contact part and a second conductive contact part are arranged in the signal circuit switch assembly at an interval; and the first conductive contact part is conducted with the first contact part, and the second conductive contact part is intermittently conducted with the second contact part, so that the whole signal triggering devicegenerates an intermittent conduction signal, and the signal triggering device triggers corresponding control according to the intermittent conduction signal. Compared with the prior art that an electric signal is generated through magnetic force intensity change or reflected light change, the influence of a magnetic field and light intensity on the signal triggering device is eliminated, the anti-interference capability is high, and the user experience is good.
Owner:WUXI RUIQIN TECH CO LTD

Distributed electromagnetic body motion detector

The distributed electromagnetic detection equipment for human body activity is comprised of transmitter, receiver, control and signal processing hardware circuit, computer and equipment system software, in which the control and signal processing hardware circuit includes chiop microprocessor, oscillator, transmitting electronic switch, transmitting power amplifier, receiving electronic switch, receiving signal amplifier, detector, receiving signal zero setting, A / D converter, serial interface and power supply. Said mainframe computer is used for providing power supply,and utilizes RS 232 asynchronous communication interface to communicate with control and signal processing hardware circuit, and its system software includes chip microprocessor control software and mainframe computer software.
Owner:郑红

System for measuring oil content in water in petroleum production process

PendingCN111380822AUniversally applicableGet rid of the influence of large background changesColor/spectral properties measurementsPhysical chemistryLight beam
The invention discloses a system for measuring the content of oil in water in a petroleum production process. The system comprises a first reference light beam, a second reference light beam and a detector, and further comprises a module for tracking the content of oil in water, and the tracking module monitors the content of oil in water by adopting the following steps: S1, carrying out quantitative analysis by utilizing scattering absorption of the content of oil in water of the first reference light beam; S2, recording a suspended matter content value IR and an oil body content value UV inwater by using a second reference light beam to track the background; S3, according to the suspended matter content value IR and the oil body content value UV, obtaining the absorption coefficient K of the oil layer through the Lambert-Beer law, tracking and uploading the suspended matter in real time by using the second reference light beam, and measuring the absorption scattering system of the main suspended matter during calibration, so the influence of the suspended matter is eliminated, and the real-time detection of the relationship between the oil content and the light intensity is realized.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Pole-vault in-air skill training aiding device

A pole-vault in-air skill training aiding device comprises a pole-vault rod and a track. A sealed space is arranged below the track. An inserting groove and an inserting groove bottom oblique face are arranged on the upper portion of the sealed space. One end of the inserting groove bottom oblique face is placed at the sealed space, and the other end is placed below the track. A speed reducing motor power device is arranged in the sealed space. A power output shaft of the speed reducing motor power device is provided with an inserting rod fixing pipe rotating shaft which is fixedly connected with an inserting rod fixing pipe. The pole-vault rod is inserted into the inserting rod fixing pipe. The pole-vault rod is placed on the inserting groove bottom oblique face. Through a scene similar to a real scene, after jumping, a motor sets different speeds, a human body is sent to the air from bottom to top, and a series of in-air skilled movements are completed. Then, through the organic combination of ground rod-holding running approaching and hole inserting jumping technologies, the pole-vault highly-complex technology can be grasped step by step, and the influence on skilled movements from psychological fear after a person is in air can be avoided step by step.
Owner:SHANGHAI UNIV OF SPORT

Rolling mill rolling force detection structure

The invention relates to a rolling mill rolling force detection structure. The rolling mill rolling force detection structure comprises a pressure equalizing plate, a pressure sensor, a compensation base plate and a roller replacing trolley, wherein the pressure equalizing plate, the pressure sensor and the compensation base plate are sequentially overlapped and fixed to form an integral pressuresensing unit, a through groove in the vertical direction is formed in the roller replacing trolley, the pressure sensing unit is arranged inside the through groove, the bottom of the pressure sensingunit is supported by rolling mill housing, and the periphery of the pressure sensing unit is limited by the roll replacing trolley and can move along with the roll replacing trolley. According to therolling mill rolling force detection structure, the mode that the rolling force transmission process depends on a rolling mill roll replacing mechanism and other measurement auxiliary systems is casted off, a layer-by-layer overlapped structure of the roll replacing system and other measurement auxiliary systems, machining precision accumulation deviation and abrasion among components on the rolling force detection accuracy are avoided, and the reliability and accuracy of rolling mill rolling force detection are improved.
Owner:NINGBO IRON & STEEL

3D (three-dimensional) polarization screen testing method

The invention provides a 3D (three-dimensional) polarization screen testing method, which comprises steps that a. generating an image of a first random number for a left eye to view and an image of a second random number for a right eye to view; b. respectively polarizing the image of the first random number and the image of the second random number; c. displaying the polarized images of the random numbers on a 3D polarization screen to be tested after the polarized images are superposed; and d. inputting a random number actually seen by a left eye of a tester, comparing the random number with the first random number generated in the step a, inputting a random number actually seen by a right eye of the tester, comparing the random number with the second random number generated in the step a, judging whether the random numbers actually seen by the left eye and the right eye of the tester are completely identical to the first random number and the second random number or not, determining that the 3D polarization screen to be tested displays normally and returning to test normally finished test results if the random numbers actually seen by the left eye and the right eye of the tester are completely identical to the first random number and the second random number, and returning to the step a if the random numbers actually seen by the left eye and the right eye of the tester are not completely identical to the first random number and the second random number. The 3D polarization screen testing method replaces subjective standards for judging the quality of a screen by the aid of 3D vision perception of people, and gets rid of influence to a screen judging result due to subjective factors of people.
Owner:MITAC COMP (SHUN DE) LTD

Novel wireless elevator door machine control system

The invention relates to a novel wireless elevator door machine control system, which realizes wireless control over an elevator door machine by using embedded software and hardware. The wireless elevator door machine control system comprises a wireless elevator door machine controller, a wireless elevator door machine operator and a wireless door machine embedded software module which is arranged on the wireless elevator door machine controller and the wireless elevator door machine operator, wherein the wireless door machine embedded software module which is arranged on the wireless elevator door machine controller and the wireless elevator door machine operator comprises a micro controller module, an input command processing module, a current sampling module, a moment detection module,a dual in-line package (DIP) state selection input module and the like. By the novel wireless elevator door machine control system, operational parameters of the elevator door machine controller can be set wirelessly, the influence of data lines can be eliminated, site operation is more flexible, and the work efficiency of installation and debugging personnel is higher. After the door machine controller fails, an operator liquid crystal display matched with the door machine controller can be used for reading false codes, and faults can be more intuitively and efficiently eliminated.
Owner:BRAUN ELEVATOR ZHANGZHOU

Pesticide thiodicarb wastewater pretreatment system and method

ActiveCN107777817BImprove biodegradabilityReduce the load of refractory organic pollutantsWater treatment compoundsWater contaminantsChemical oxygen demandMethomyl
The invention discloses a system and a method for pretreating LARVIN production wastewater. The system comprises a heating and air stripping tower (1), a heating Fenton kettle (2), and a neutralizingand flocculating kettle (3) which are sequentially connected by pipelines, wherein the heating and air stripping tower (1) is used for removing pyridine in LARVIN pesticide wastewater, so as to obtainthe pyridine-removed wastewater; the heating Fenton kettle (2) is used for removing the organic pollutants in the pyridine-removed wastewater. The method comprises the following steps of S1, heatingand air stripping; S2, Fenton oxidizing; S3, neutralizing and flocculating, so as to complete pretreatment. The system has the advantages that the removal rate of poisonous and harmful pollutants (pyridine and MHTA) and COD (chemical oxygen demand) is high, and the biochemical property of the wastewater is greatly improved. The method has the advantages that the investment is small, the running cost is low, the method is suitable for engineering popularization and application, and the like.
Owner:HUNAN HAILI CHEM IND

Road plane intersection traffic volume statistical method based on video multi-region marking

The invention relates to a road plane intersection traffic volume statistical method based on video multi-region marking. The method comprises the following steps: collecting a road plane intersection video; marking the number of the marked area to obtain a road plane intersection marked area; setting a vehicle detection area; creating a road plane intersection traffic volume statistical general table; creating a marked area vehicle information table set; performing pretreatment; tracking the vehicle which is subjected to the vehicle calibration operation and obtains the vehicle number; performing in-and-out inspection operation; performing screening operation; filling the vehicle information and the marked area numbers into a road plane intersection traffic volume statistical general table; and outputting a road plane intersection traffic volume statistical general table. According to the invention, the working efficiency of road intersection traffic volume survey is improved, and the influence of subjective factors on survey results is eliminated; excessive computing resource consumption caused by extracting the whole-process driving track data of the vehicle is avoided, and the software implementation difficulty is greatly reduced.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Electric cable conductor transient-state temperature determining method and determining device

The invention relates to an electric cable conductor transient-state temperature determining method and a determining device, comprising the following steps: initial temperature value is measured, and the initial temperature value is a cable skin temperature value or a protective metal sleeve temperature value; according to the initial temperature value, the cable skin temperature value or the protective metal sleeve temperature value is determined to be unchanged, the transient-state temperature rise of a first cable conductor is determined only under the cable loading action; according to the initial temperature value, the transient-state temperature rise of a second cable conductor is determined under the condition that the cable loading is zero; the initial temperature value, the transient-state temperature rise of the first cable conductor and the transient-state temperature rise of the second cable conductor are summed to obtain the transient-state temperature of the cable conductor, as the transient-state temperature of the cable conductor is obtained by deducing the real-time value of the cable skin temperature or the protective metal sleeve temperature, heat resisting coefficient of surrounding mediums, which is hard to hold in a real-time manner, is avoided, and the effect of external environment factors to the calculation of the cable conductor temperature is castedaway, and the calculating precision of the electric cable conductor transient-state temperature is improved.
Owner:SOUTH CHINA UNIV OF TECH +1
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