39results about How to "Improve detection timeliness" patented technology

The invention discloses a downhole rock debris extraction system and a control method thereof. The control method comprises the steps that a ground control module determines a first corresponding relation between depth information of the well depth and time in real time, and then marker jet information is sent down to a downhole marker module; according to the marker jet information, the downholemarker module sprays markers onto rock debris produced by excavation through an excavation bit; the ground control module determines a second corresponding relation between marker jet time and the types of the markers in real time, a ground detection and extraction module is controlled to carry out marker detection on the extracted rock debris, and the types of the markers are determined; the ground control module determines original depth information corresponding to the rock debris according to detection results, the first corresponding relation and the second corresponding relation; and therequirements of high detection ageing and simple and easy operation for downhole rock debris extraction can be effectively met, and meanwhile, the control method can achieve the purpose of accurate sampling, low sampling cost and high completed amount.

The invention discloses a device and method for detecting the blockage degree of a submersed nozzle. A supporting base nozzle is placed on a supporting base; afixing piece is connected with the supporting base and used for fixing the nozzle to the supporting base, and an outlet of the nozzle is located above the supporting base; a lens of the infrared camera is arranged opposite to the supportingbaseand is used for shooting a nozzle outlet picture fixed on the supporting base; and apicture analyzer is connected with the infrared camera and is used for carrying out data analysis on pictures shot by the infrared camera. The technical problems that in the prior art, the detection efficiency is low, the blockage degree of a nozzle cannot be detected at the first time after casting is completed, and detection data lag exists are solved. Infrared imaging is matched with picture processing at the first time after casting is completed, the blockage degree of the nozzle can be quantified, nozzle blockage data can be obtained online in real time, and the technical effect of improving the timeliness of nozzleblockage data detection is achieved.

The invention discloses a three-dimensional solid-state laser radar detection method and device based on double optical frequency combs. The method comprises the following steps: two optical frequency combs with different repetition frequencies are modulated by using an intermediate frequency linear sweep frequency signal to obtain two sweep frequency optical frequency comb signals; one optical signal serving as a detection optical signal is sequentially sent to the Rotman optical lens comprising N input ports; the detection optical signals of different input ports are scanned on a plane, and the detection optical signal in each input port is scanned on a theta plane perpendicular to the plane through an optical antenna; the detection light signal is reflected back to the light antenna after encountering a target, coherent detection is realized by the detection light signal and another sweep frequency light frequency comb signal, and target three-dimensional space distribution and speed information can be obtained after signal processing; according to the three-dimensional solid-state laser radar detection device, through a frequency dispersion wave beam scanning technology, a Rotman optical lens wave beam direction control technology and a dual-optical-frequency comb coherent receiving technology, high-precision measurement of target three-dimensional space distribution and speed information can be realized without mechanical scanning.

The invention relates to the technical field of image recognition, in particular to a large-scale remote sensing image-based hangar recognition method, which comprises the following steps of: S1, carrying out picture preprocessing on a satellite visible light remote sensing image; S2, introducing an attention mechanism to locate an airport position in the remote sensing map; S3, training a YOLOv5 network by using the hangar picture data set; and S4, improving YOLOv5 network detection precision and network training efficiency by using transfer learning and hyper-parameter optimization, and realizing rapid recognition of the hangar from the remote sensing large image. According to the method, the attention mechanism and the deep learning network are combined, the hangar target in the high-precision satellite visible light remote sensing image is recognized step by step, compared with a current universal interpreter searching method, the precision target is guaranteed, meanwhile, the detection timeliness is greatly improved, and certain mobility is provided for recognition of other targets.

The invention discloses a method and a device for detecting opening of blocked roads, equipment and a storage medium, and relates to the technical field of intelligent traffic. The method is specifically implemented by the following steps of: acquiring driving track information of each first blocked road in a blocked road set to be detected, and then inputting the driving track information of each first blocked road into a road opening detection model; and therefore, acquiring detection result information for indicating whether each directed road section in each first blocked road is opened or not, so that the opening state of each first blocked road can be determined according to the detection result information. According to the method and the device of the invention, whether any blocked road is opened or not can be rapidly detected, the detection timeliness is improved, and the detection coverage can be improved.

The invention discloses an automatic control system and method for an ammonia online analyzer. The automatic control system comprises a human-computer interaction unit, a data acquisition and automatic control unit, a sampling unit, a flue gas flow control unit, an absorption constant volume unit and a continuous flow analysis unit, wherein the data acquisition and automatic control unit comprisesa data acquisition and processing module and an automatic control module; the data acquisition and processing module is used for transmitting switching value and analog quantity signals of all equipment; and the automatic control module is used for automatically controlling all running equipment in the system according to the written logic and related information input by the human-computer interaction unit. the system integrates sampling, absorption, constant volume and sample feeding capabilities, is high in sampling analysis precision and timeliness, can meet the requirement that the ammonia online analyzer continuously and stably measures the ammonia concentration in the flue gas, and guides the ammonia emission control system to operate.

The invention discloses a power grid open-phase detection device and a method for controlling a switch tube in a rectifier bridge, and the power grid open-phase detection device comprises a voltage detection circuit and an open-phase detection circuit. The input end of the voltage detection circuit is connected with each switch tube in the rectifier bridge, and the voltage detection circuit is used for outputting a first voltage detection signal to the open-phase detection circuit when any switch tube meets a preset condition; when any switch tube does not meet the preset condition, a second voltage detection signal is output to the open-phase detection circuit; the open-phase detection circuit is used for outputting a normal signal when the first voltage detection signal is received; and when the second voltage detection signal is received, an open-phase fault signal is output. The power grid open-phase detection device can solve the technical problems that an existing power grid open-phase fault detection circuit is complex in structure, and time delay is large when power grid open-phase fault detection is carried out in a software mode.

The invention discloses a glucose solution detection device and method. The device comprises a computer, a cell image acquisition module, a solution conveying module and a cell placement module. The solution conveying module comprises a liquid conveying pump, a plurality of detection containers used for containing to-be-detected solutions and a buffer solution container used for containing pbs buffer solutions. A first infusion tube is arranged at the bottom of the detection container; a first electromagnetic valve is arranged at the front end of the first infusion tube; a second infusion tubeis arranged at the bottom of the buffer solution container, a second electromagnetic valve is arranged at the front end of the second infusion tube, the liquid inlet pipeline of the infusion pump iscommunicated with the first infusion tube and the second infusion tube, the liquid outlet pipeline of the infusion pump is communicated with the cell placement module, and the computer is electricallyconnected with the cell image acquisition module, the infusion pump, the first electromagnetic valve and the second electromagnetic valve. The cell imaging method is utilized without contacting withthe detected cell, interference brought by the outside is reduced, interference factors influencing the instant physiological state of the cell are eliminated and the detection accuracy is high.

The invention relates to a portable animal parasitic disease detection device, which comprises a box body, the top of which is provided with a hand-held part; drawable funnel placing racks are embedded in the two sides of the top of the box body. A plurality of storage boxes are arranged in the middle of the box body, and safety locks are mounted on the storage boxes; the universal wheels are arranged at the bottom of the box body. The current animal epidemic disease prevention and control faces the current situation that the parasitic disease prevention and control effect is generally low due to the fact that the timeliness is poor, the sample conveying cost is high and the number of laboratory detection technicians cannot meet the market requirement in the laboratory detection of the parasites in the current animal epidemic disease prevention and control. In order to solve the problems in actual production, the animal parasitic disease detection device is provided, the top of the box body is provided with the hand-held part capable of being lifted, the bottom of the box body is provided with the universal wheels, carrying is convenient, and meanwhile a storage box for storing detection parts and a funnel placement frame are arranged in the box body. The device is directly applied to a detection site, so that the sample detection timeliness can be improved, and the sample conveying cost and the public health risk possibly caused by sample conveying are reduced.

The invention relates to a bronchiectasis scoring method. According to the bronchiectasia scoring method, a trained Mask-RCNN model is adopted, so that the bronchiectasia position in the lung lobe can be quickly and accurately determined, and the bronchiectasia degree can be accurately scored. Moreover, the lung lobe image is extracted based on the CT image of the patient, so that the accuracy of bronchiectasia position detection and bronchiectasia degree scoring can be improved while the timeliness of bronchiectasia position detection is improved.

The invention provides a steel belt broken wire detection method and system. The steel belt broken wire detection method comprises the steps that an impedance electric signal is generated on a steel belt, then the impedance electric signal is obtained from the steel belt, and the steel belt broken wire condition is judged according to the impedance electric signal. The steel belt broken wire detection system comprises an impedance generation device used for generating the impedance electric signal on the steel belt and an impedance detection device which is used for acquiring the impedance electric signal from the steel belt and judging the wire breakage condition of the steel belt according to the impedance electric signal. The steel belt damage information can be accurately fed back in real time based on impedance detection, elevator safety accidents caused by steel belt damage can be effectively avoided, cost is low, debugging is easy, online detection can be achieved, the elevator Internet of Things can be incorporated, the detection timeliness is greatly improved, manpower is liberated, reliable reference is provided for future large-scale use, the system is matched with an elevator operation management system, so that the damage degree of the steel belt can be fed back in real time, and a reliable basis is provided for replacement of the steel belt.