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46results about How to "Improve detection flexibility" patented technology

Non-contact pantograph-catenary contact force detection method based on image processing technology

The invention discloses a non-contact pantograph-catenary contact force detection method based on an image processing technology, and compared with a traditional detection method, the method is simple in equipment installation, has the characteristics of real-time performance and non-contact performance, can avoid the transformation of a pantograph head during detection, and guarantees the original dynamic performance of the pantograph head. Meanwhile, more automation and intelligence are achieved, the detection flexibility is high, and the accuracy is high; moreover, the system is small in driving interference, and is suitable for long-distance and long-time continuous tracking detection under severe environment conditions. Through multiple groups of ground dynamic experiments, the effectiveness and accuracy of the method are verified, the detection precision after the inertia force and the damping force are corrected can greatly meet the detection precision of the pantograph-catenary contact force, the research on the pantograph-catenary contact force detection method in the non-contact measurement field at present is further enriched, and the detection accuracy of the pantograph-catenary contact force detection method is improved. And meanwhile, accurate contact force data can be provided for evaluation of pantograph-catenary current collection quality and real-time fault monitoring.
Owner:SOUTHWEST JIAOTONG UNIV +1

Method for visually detecting melamine through nanogold hydrosol without aptamer

The invention discloses a method for visually detecting melamine through nanogold hydrosol without an aptamer. The method comprises the following steps: adding plants into absolute ethyl alcohol, boiling, carrying out extraction, and filtering, so as to obtain filtrate; adding activated carbon into the filtrate for decolorization, and standing for 1 day, so as to obtain a faint yellow plant extracting solution; diluting the faint yellow plant extracting solution, and refrigerating a obtained diluent for later use; and extracting the diluent, adding a to-be-tested sample into the diluent, uniformly mixing, adding a chloroauric acid water solution to adjust the pH, reacting, and detecting melamine by virtue of a visual colorimetric method or an ultraviolet visible spectrophotometry. The method is rapid, simple, convenient, high in sensitivity and strong in anti-jamming capability, and the detection limit to melamine can reach 15nM. The method can be used for visually detecting a melaminesample, the field sampling detection can be realized, the detection sensitivity is high, and the qualitative and quantitative detection of melamine can be realized; and the sample can be detected ina severe environment, so that the application range of the sample is wide.
Owner:HAINAN UNIVERSITY

Primer for simultaneous detection of BRCA 1/2 exon sequence and chemotherapy drug site, and application

The invention discloses a primer for simultaneous detection of a BRCA1/2 exon sequence and a chemotherapy drug site. The primer comprises: an exon amplification primer pair designed for BRCA1, an exonamplification primer pair designed for BRCA2, and a specific primer pair designed for an SNP site, wherein each exon amplification primer pair is divided into two groups respectively, and no amplification region overlapping exists inside each group of primers of the same gene; in each group of the primer pairs, the 5' end of an upstream primer of a first part primer is added with SEQ ID.NO1, andthe 5' end of a downstream primer is added with SEQ ID.NO2; the 5' end of an upstream primer of a second part primer is added with SEQ ID.NO2, and the 5' end of a downstream primer is added with SEQ ID.NO1; a group of the primer pair of the BRCA1 gene and a group of the primer pair of the BRCA2 gene are randomly combined to form two primer group pairs; and the 5' end of an upstream primer of the specific primer is added with SEQ ID.NO1, and the 5' end of a downstream primer of the specific primer is added with SEQ ID.NO2. The cost is low, throughput is high, a detection range is wide, and a detection time is short; and BRCA1/2 and the cancer chemotherapy drug detection site can be simultaneously detected.
Owner:阔然生物医药科技(上海)有限公司

Electrical-equipment-quality all-powerful detection station based on modular design

The invention discloses an electrical-equipment-quality all-powerful detection station based on modular design. The electrical-equipment-quality all-powerful detection station based on the modular design comprises an all-powerful detection machine cabinet, standardized detection modules, standardized test cables and a detecting and controlling system. The all-powerful detection machine cabinet isprovided with detecting module inserting grooves of multiple standard specifications and a test bus; the standardized detection modules can be put into the detecting module inserting grooves of the all-powerful detection machine cabinet, and are connected with the test bus through standardized input/output interfaces; the standardized test cables are connected with the output end of the test bus of the all-powerful detection machine cabinet; the detecting and controlling system controls the standardized detection modules and the built-in test bus of the all-powerful detection machine cabinet through a communication cable, an expected test parameter is output through the all-powerful detection station, and a test result is read. According to the electrical-equipment-quality all-powerful detection station based on the modular design, one detection station can be simultaneously compatible with electric parameter detection tests of multiple voltage classes, multiple material varieties andmultiple test items, and power grid material quality detection has higher flexibility, higher detection efficiency and lower system configuration cost.
Owner:JIANGSU ELECTRIC POWER RES INST +2

Electric meter detection device and detection method thereof

The invention provides an electric meter detection device. A mounting seat is mounted on the upper end of a detection box; first limiting plates arranged symmetrically with respect to the center of the mounting seat are mounted on the mounting seat; an image acquisition module is mounted between the first limiting plates through an image acquisition module mounting seat; the image acquisition module is provided with an image processing module; the lower end of the mounting seat is provided with a processor; the processor is connected with the image processing module and is used for processingelectric meter image information transmitted from the image processing module; the upper end of the mounting seat is provided with an electrification mounting seat; the electrification mounting seat is provided with a detection base; the upper end of the detection base is provided with a plurality of probes; and the probes are in one-to-one correspondence with terminals on an electric meter to betested; the mounting seat is provided with an electrification plug; and the electrification plug is connected with a change-over switch. The invention also provides an electric meter detection methodusing the above electric meter detection device. The electric meter detection device of the invention has the advantages of high detection efficiency and accurate detection result. The detection method of the present invention is robust and can improve readiness.
Owner:STATE GRID ZHEJIANG HANGZHOU CITY FUYANG DISTRICT POWER SUPPLY CO LTD +2

Weather resistance performance testing machine for external wall insulation system

The invention relates to a weather resistance detector for an external heat insulation system of an exterior wall. The weather resistance detector comprises an instrument control system, a recording and electrical control system, an environmental cabinet, a humiture measurement system, a dehumidifying and drying system, an air refrigeration system, an air heating system and a circulated water cooling and sprinkling system, wherein an observation device is further mounted in the environmental cabinet, and an observation frame is mounted on the observation device and can move up, down, left and right according to actual need. According to the weather resistance detector, durability detection can be carried out in the environmental cabinet through artificially simulating climatic conditions such as hot, cold and rainwater of natural environments, the observation device in the environmental cabinet can work in severe environments such as hot, cold and rainwater environments and can be used for carrying out real-time observation and subarea photographing on entire finishing coats, and then, a plurality of subarea images are synthesized into one image by adopting an MATLAB software image processing tool, so that deterioration characteristic symptoms such as cracking, bubbling and spalling of the finishing coats can be accurately and timely snapshot, and the working efficiency can be obviously increased.
Owner:JIAXING UNIV

Real-time abrasion monitoring device for cutter head of shield tunneling machine

The invention relates to a real-time abrasion monitoring device for a cutter head of a shield tunneling machine. The real-time abrasion monitoring device comprises a cutter head end device, a signal receiving module, a PLC data processing module and a monitor. The cutter head end device is installed on the steel structure surface of a shield tunneling machine cutter head, the signal receiving module is installed on a soil cabin wall plate of a shield body of a shield tunneling machine, the cutter head end device is provided with a cutter head end monitoring assembly, the cutter head end monitoring assembly comprises a wear-resisting shell and a resistance wire, and the resistance wire penetrates through the interior of the wear-resisting shell. A signal sending module and a power module are further arranged in the wear-resisting shell, the signal sending module is connected with the resistance wire through a signal cable, the signal sending module and the signal receiving module are in communication transmission in a wireless signal mode, and the signal receiving module is connected with the PLC data processing module through a signal cable; the monitoring device can monitor the real-time wear value of the cutter head of the shield tunneling machine, feeds back the result to an operator in real time, and is not limited by any environmental factor or hardware factor.
Owner:CSSC HEAVY EQUIP CO LTD

Object detection method based on multi-feature fusion of fully convolutional network

The invention designs a target detection method based on multi-feature fusion of a full convolutional network. The main technical features are that constructing a full convolutional neural network having six convolutional layer groups; using the first five groups of convolutional layers of the convolutional neural network to extract image features, and outputting the image features to be fused toform a fusion feature chart; performing convolutional processing on the fused feature map to directly generate a fixed number of target frames of different sizes; and calculating a classification error and positioning error between the target frames generated by the convolutional neural network and real frames, utilizing a random gradient descent method to reduce a training error to obtain parameters of a final training model, and finally carrying out a test to obtain a target detection result. The target detection method based on multi-feature fusion of the full convolutional network utilizesa powerful capability of representing a target of a deep convolutional network, constructs the full convolutional neural network used for target detection, proposes a new fusion feature method, improves detection speed and precision of an algorithm, and obtains a good target detection result.
Owner:ACADEMY OF BROADCASTING SCI STATE ADMINISTATION OF PRESS PUBLICATION RADIO FILM & TELEVISION +1

Visual folding circulation box

The invention discloses a visual folding circulation box applied to the transportation field. The visual folding circulation box structurally comprises side plates and a bottom plate, several placement positions are arranged in a containing cavity, side plate connecting pieces are arranged at the two ends of the bottom plate, the placement positions are provided with corresponding limiting piecesand visual control keys, several visual windows which are in one-to-one correspondence with the placement positions are arranged on the side plates, and the visual control keys are used for controlling the corresponding visual windows to realize information display operation. When products are placed at the corresponding placement positions, the positions of the products are limited under the action of the corresponding limiting pieces, so that it is guaranteed that the products can exert the effect on the visual control keys, and then the visual control keys are utilized to control display ofproduct information in the visual windows; according to the folding circulation box, the visual windows can be utilized to achieve visual check on internal product placement, so that the working efficiency is improved, meanwhile, detection operation is also performed on internal product placement positions, then the stability of the internal product placement is effectively guaranteed, and a guarantee is provided for maintenance of product performance.
Owner:昆山登之旺精密模具有限公司

An auxiliary detection device for drilling water injection test and its use method

The invention relates to an auxiliary detection device for drilling water injection testing and a utilization method thereof, and discloses a device capable of moving a water head to a hole bottom andcooperating with a water line to more accurately detect and measure the water inlet amount of water injection testing, and the utilization method of the device. Accuracy for reading of seepage quantity of water injection testing is improved. The auxiliary detection device is characterized in that an electromagnetic valve is arranged at one end of a connecting pipe; a flowmeter is arranged in themiddle of the connecting pipe; one end of a hose communicates with the other end of the connecting pipe; scales are arranged on the outer surface of the hose; an annular counterweight is arranged at the other end of the hose; a centring device is arranged on the hose; a fixing plate is arranged on the electromagnetic valve; a storage battery is arranged on the fixing plate; a switch is arranged onthe fixing plate; the switch, the storage battery and the electromagnetic valve form a loop through a power line; a transformer is arranged on the fixing plate and is connected with the storage battery through the power line; a charging port is arranged on the fixing plate and is connected with the transformer through the power line; a power indicator light is arranged on the storage battery; andthree fixing sleeves are arranged on the hose.
Owner:核工业衡阳第二地质工程勘察有限公司

Vehicle door frame integrated testing fixture

The invention discloses a vehicle door frame integrated testing fixture which comprises a working platform, the working platform is provided with a detection supporting frame supported by a support, and the detection supporting frame is formed by connecting four strip-shaped supporting sections, namely a doorsill beam supporting section, an A column supporting section, a B column supporting section and a side wall edge beam supporting section, each supporting section comprises an inner side supporting strip and an outer side supporting strip which are arranged in a separated mode, the inner side supporting strips and the outer side supporting strips extend in parallel in the direction of the supporting sections, and each supporting section is provided with a detection assembly. The vehicle door frame integrated testing fixture has the beneficial effects that detection modules of the whole vehicle door frame are integrated together, the supporting table integrally adapts to the structure of the vehicle door frame, the supporting section formed by the inner side supporting strip and the outer side supporting strip which extend in parallel conveniently achieves positioning of a workpiece, and the whole tool facilitates positioning detection of a certain sub-assembly and also facilitates detection of the vehicle door frame, the vehicle door frame integrated testing fixture is good in universality and high in integration level.
Owner:LIAN WEI AUTO PARTS CHONQGING

Device and method for detecting lodging resistance of field rice stalks

The invention relates to a field rice stalk lodging-resistant capability detection device which comprises a moving tool, and a first unmanned aerial vehicle, a second unmanned aerial vehicle and a remote host are carried on the moving tool; the remote host divides the test field into a plurality of sub-regions distributed in a matrix, and edits a set path according to the sub-regions so that the first unmanned aerial vehicle flies over each sub-region; the set path comprises a transverse moving path, the transverse moving path comprises a plurality of lifting nodes, a longitudinal moving path is arranged at the lifting nodes, and the first unmanned aerial vehicle resets to return to the lifting nodes after moving along the longitudinal moving path at the lifting nodes and continues to move along the transverse moving path; an image acquisition unit is carried on the second unmanned aerial vehicle; by means of the method, a complete test field can be tested in an extremely short time after simple setting, in addition, the inclination state of rice in the sub-region under different wind pressures can be obtained by adjusting the longitudinal height of the first unmanned aerial vehicle at the lifting node, and the detection flexibility is high.
Owner:中农海稻(深圳)生物科技有限公司

Auxiliary detection device for drilling water injection testing and utilization method thereof

The invention relates to an auxiliary detection device for drilling water injection testing and a utilization method thereof, and discloses a device capable of moving a water head to a hole bottom andcooperating with a water line to more accurately detect and measure the water inlet amount of water injection testing, and the utilization method of the device. Accuracy for reading of seepage quantity of water injection testing is improved. The auxiliary detection device is characterized in that an electromagnetic valve is arranged at one end of a connecting pipe; a flowmeter is arranged in themiddle of the connecting pipe; one end of a hose communicates with the other end of the connecting pipe; scales are arranged on the outer surface of the hose; an annular counterweight is arranged at the other end of the hose; a centring device is arranged on the hose; a fixing plate is arranged on the electromagnetic valve; a storage battery is arranged on the fixing plate; a switch is arranged onthe fixing plate; the switch, the storage battery and the electromagnetic valve form a loop through a power line; a transformer is arranged on the fixing plate and is connected with the storage battery through the power line; a charging port is arranged on the fixing plate and is connected with the transformer through the power line; a power indicator light is arranged on the storage battery; andthree fixing sleeves are arranged on the hose.
Owner:核工业衡阳第二地质工程勘察有限公司
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