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87results about How to "Achieve screening" patented technology

Rapid food quality detection device

The invention discloses a rapid food quality detection device. The device comprises a base, wherein a feeding mechanism and a detection machine box are fixedly connected to the left side and the rightside of the top of the base respectively, a visual detection mechanism is fixedly connected between the feeding mechanism and the detection machine box, an electric telescopic rod is fixedly connected to the top of the inner surface of the detection machine box, and the bottom end of the electric telescopic rod is fixedly connected with a first pressure detection cylinder. The invention relates to the technical field of food detection. According to the rapid food quality detection device, the electric telescopic rod can drive push plates to ascend and descend while driving the detection mechanism to ascend and descend, stepping motors are used for cooperating with rotating shafts to drive the rotating shafts to rotate, meanwhile, an overturning plate is arranged to be in a left-right overturning mode, under the qualified detection condition and the unqualified detection condition, the push plates on the two sides can overturn the overturning plate in different directions correspondingly, then screening of unqualified products is achieved, a pressure detection mechanism and a screening mechanism are carried on the same driving structure, the structure is simple, the cost is low, and use is convenient and effective.
Owner:哈尔滨海关技术中心

Low-voltage power distribution system series fault arc identification method based on all-phase deep learning

The invention discloses a low-voltage power distribution system series fault arc identification method based on all-phase deep learning. In an existing low-voltage power distribution network fault, the identification method for a series fault arc is easily disturbed by a noise and spectrum leakage, an identification effect is affected, identification efficiency is not high, and stability is not high either. In the invention, the above problems are solved. The method comprises the following steps of under a low-voltage alternating current system, carrying out current signal collection on different loads in a low-voltage loop; carrying out all-phase discrete Fourier transform on a collected current signal, carrying out full-phase spectrum characteristic quantity extraction of a load, and constructing an all-phase spectrum characteristic vector; constructing a deep learning neural network model based on Logistic regression, carrying out deep learning training on all-phase spectrum characteristic quantity under the different loads and different operating states till that the model converges; and using the trained model to complete screening of different load types and identification ofwhether the series fault arc occurs.
Owner:国网四川电力服务有限公司

Near-infrared laser illumination imaging system and near-infrared laser illumination imaging method for safety inspection

The invention discloses a near-infrared laser illumination imaging system and a near-infrared laser illumination imaging method for safety inspection. A power supply system is adopted for providing a power supply for imaging of a visible light-near-infrared camera, an imaging controller and a near-infrared plane imaging camera, so that higher stability is obtained; the imaging controller is used for carrying out time-sharing control on light emitting of laser diodes and triggering the near-infrared plane imaging camera to image while light emitting is carried out by the laser diodes; laser light in certain wavelengths can be generated by multiple laser diodes and a driving power of the multiple laser diodes; an image collecting and processing terminal is used for carrying out parameter setting on the imaging controller and collecting, storing and processing sequential images irradiated by the laser light in different wavelengths; the type of a to-be-detected target can be determined by referring to a preset target reflection spectrum feature library according to reflectivities of the target under the different laser wavelengths in a scene of an image grey scale inversion place; existing equipment and existing programs are utilized for solving the problems existing in the safety inspection field that the detecting difficulty is large and the distinguishing of hazardous liquid and safe liquid is uneasy.
Owner:INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS

Data acquisition system and data acquisition method

The application relates to the field of production management, and in particular to a data acquisition system and a data acquisition method. The data acquisition system comprises the following parts of a material data acquisition module configured to recognize identification information of each material of the entire machine, record the identification information, and establish associations between the identification information of each material to generate material data; a production data acquisition module configured to record the production process data of the entire machine and establish association with the material data; a quality inspection module configured to obtain the material data of the entire machine and the production process data to determine whether the entire machine is normal or abnormal; and a storage module configured to obtain the cost of the normal entire machine when the entire machine is a normal entire machine, and associate and store the calculated cost of the normal entire machine with the material data of the normal entire machine and the production process data in the database. The application can record and interlock the data of the entire productionprocess, ensure that the production data can be traced, and improve the production efficiency and qualification rate.
Owner:GREE ELECTRIC APPLIANCES WUHAN +1

Star sensor artificial star screening method based on angular distance screening

The invention discloses a star sensor artificial star screening method based on angular distance screening. The method comprises the following steps: (1) all star points in a first frame of a star mapare recorded as initial star points; (2) starting from a second frame, corresponding relations between each star point and the initial star points are established by utilizing a star tracking method;(3) the angular distances between other frames and the initial frame are compared, the angular distances are screened according to angular distance changes, and an angular distance screening matrix is updated; (4) star pairs corresponding to the screened angular distances are used to vote for each star point, and the star points with the excessively low vote numbers are screened; and (5) each frame is output by the screened star points and is sent to a subsequent star map recognition module. The method has the following advantages: (1) the convergence success rate is high, and the convergencesuccess rate is over 98% within 600 artificial stars; (2) the convergence speed is high, and all the artificial stars can be screened by only at most 10 frames of the star map on average; (3) the adaptability to the number of the artificial satellites is high, and all the artificial stars can be screened from the star map with no less than 700 artificial stars; and (4) the screening of the artificial stars does not depend on shape information of the star points.
Owner:BEIHANG UNIV

Agricultural seed sieving and drying treatment equipment

InactiveCN109290184AUniform drying treatmentPlay the role of buffer resetSievingSeed and root treatmentAgricultural engineeringSlide plate
The invention discloses agricultural seed sieving and drying treatment equipment and belongs to the field of agricultural tools. The problem that a seed drying device is high in energy consumption, and seeds are dried unevenly are solved. The agricultural seed sieving and drying treatment equipment comprises a drying box, a hot air releasing cavity, a sieving net and a vertical guide rail. Horizontal sliding grooves are formed below the drying box, the four corners of the lower surface of the drying box are all provided with welding sliding plates in a welded manner, and the sliding plates areconnected with the horizontal sliding grooves in a sliding manner. Vertical stand columns are vertically welded on the right sides of the horizontal sliding grooves. The upper ends of the vertical stand columns are provided with horizontal supporting rods in a welded manner. The hot air releasing cavity is formed on the lower part of the right side of the drying box. The drying box is internallyprovided with the sieving net. A drive device is arranged on the upper part of the right side of the drying box. According to the agricultural seed sieving and drying treatment equipment, large granular impurities can be sieved out, meanwhile, uniform heating of the seeds can be achieved, the problem that the existing seed drying device is too high in energy consumption is solved, and the agricultural seed sieving and drying treatment equipment is capable of saving energy, environmentally friendly and suitable for being applied to agricultural seed processing processes.
Owner:马骏

Call drop fault automatic alarm and uploading system and method based on signaling analysis

The invention discloses a call drop fault automatic alarm and uploading system and a call drop fault automatic alarm and uploading method based on signaling analysis, and relates to the technical field of network optimization. The system comprises calling communication terminal, a PSTN, a called switch and a data processing unit, wherein the calling communication terminal is connected with a calling switch via a subscriber liner signaling transmission module; the PSTN is connected with the calling switch via an interoffice signaling transmission module; the called switch is connected with thePSTN via the interoffice signaling transmission module; and the calling communication equipment, calling switch, PSTN, called switch and called communication equipment are separately connected with adata processing unit. According to the system and method provided by the invention, alarm triggering modules are all arranged in the calling communication equipment, calling switch, PSTN, called switch and called communication equipment, a counter is arranged in the data processing unit, real-time monitoring on the call drop fault during a call establishing process is achieved, and thus the network optimization staff is facilitated to learn the call drop information in the area in real time.
Owner:安徽德特信息技术有限公司

Municipal garden landscaping soil environment-friendly repairing treatment device

The invention discloses a municipal garden landscaping soil environment-friendly repairing treatment device. The municipal garden landscaping soil environment-friendly repairing treatment device comprises a drive gear, a drive shaft, stirring plates, a stirring box, a driven gear and a driven shaft. The municipal garden landscaping soil environment-friendly repairing treatment device is characterized in that the front end portion of the drive shaft is connected with a main shaft of a gear motor through a coupler; the drive gear is arranged at the front portion of the drive shaft; the drive gear is engaged with the driven gear; the driven gear is installed at the front end portion of the driven shaft; the driven shaft and the drive shaft are arranged in the stirring box in parallel; the outer side of the driven shaft and the outer side of the drive shaft are provided with the stirring plates; the upper portion of the front portion of the stirring box is provided with a soil adding pipe and a repairing agent adding pipe; the bottom of the rear end of the stirring box is provided with a discharging pipe; a gate valve is arranged on the discharging pipe; and a screen is arranged at the bottom of the discharging pipe. The municipal garden landscaping soil environment-friendly repairing treatment device has the beneficial effects that energy consumption is low, mixing uniformity is good, use is convenient, and the cost is low; and repairing of polluted soil can be achieved rapidly.
Owner:安徽新宇环保科技股份有限公司

Method applied to quantitative detection of carbon dioxide exhaled by cancer cells

InactiveCN104330390AQuantitatively detectable contentImmediate Imaging EffectsFluorescence/phosphorescenceCarbon dioxideFixation agent
The invention discloses a method applied to quantitative detection of carbon dioxide exhaled by cancer cells, belonging to the field of fluorescent biosensors. The method comprises the following steps: firstly dissolving TPP-DMAE in DMSO and adding a high-glucose DMEM culture medium to obtain a mixed solution; transferring the cancer cells into a culture dish, culturing and washing, adding the mixed solution and the high-glucose DMEM culture medium, culturing and washing, adding a fixation agent, standing, washing, adding a buffer solution to obtain a to-be-detected sample; detecting the fluorescence intensity of the to-be-detected sample, comparing a value of a fluorescence intensity-time change rate caused by CO2 generated by self metabolism of the cancer cells with a value of a fluorescence intensity-gas volume change rate after introducing gas into deactivation cells, and taking the volume of gas introduced in the time period corresponding to the same fluorescence intensity change rate as the volume of CO2 generated by the self metabolism of the cancer cells in different time periods. The method is capable of quantitatively detecting the content of carbon dioxide generated by metabolism of active cells and discriminating the types of the cancer cells.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
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