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55results about How to "Helps to observe" patented technology
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A method and system for image distortion correction
ActiveCN109461126AReal-time distortion correctionIn line with the habitImage enhancementImage analysisNonlinear distortionHabit
The invention discloses an image distortion correction method and a system. The method comprises following steps of: acquiring an image shot by a camera; Filling the boundary of the image; Camera calibration; Setting a plurality of correction coefficients between 0 and 1, and generating a plurality of camera correction internal parameters based on the correction coefficients; According to the camera external parameters and the camera correction internal parameters under different correction coefficients, the nonlinear distortion coordinate mapping matrix of each pixel of the original image after boundary filling is obtained, and the distortion coordinate mapping matrix is used for correction. Affine transformation is performed on the corrected image. The correction method of the inventionis fast and efficient, and can carry out distortion correction on medical endoscopic pictures in real time, and the corrected pictures are more in conformity with human eye view habit, which is helpful for doctors to read films and observe abnormal lesion parts, and improves the accuracy of doctors' diagnosis. Aiming at the visual difference of different people, the invention introduces a correction coefficient to achieve different correction effects, so as to be selected by a doctor.
Owner:CHONGQING JINSHAN SCI & TECH GRP
Auxiliary parking method
ActiveCN107161082AStop accuratelyQuick stopIndication of parksing free spacesOptical viewingParking spaceSimulation
The invention discloses an auxiliary parking method. The method comprises the steps that a surround view of a site where a car is located is obtained, and a model of the car is displayed in the surround view; according to the operation instruction, a parking space is displayed at a designated position in the surround view; and in the process that the car is parked into the parking space, the surround view and the model are updated in real time, according to the positions, in the surround view, of the parking space and the car, a plurality of guiding frames used for guiding the car to enter the parking space are sequentially displayed in the surround view, and synchronous display is conducted in at least two different display modes. Surrounding information and the car model are synchronously displayed through the first display mode and the second display mode, so that a driver drives the car for advancing according the displayed image information, and finally, the car is accurately, quickly and safely parked into the parking space under guidance of the guiding frames and the displayed car model.
Owner:上海为森车载传感技术有限公司
Laryngoscope
InactiveCN106821291AHelps to observeEasy to shootBronchoscopesLaryngoscopesEngineeringMechanical engineering
The invention discloses a laryngoscope. The laryngoscope comprises a handle and a laryngoscope blade, wherein the handle and the laryngoscope blade form an L shape, a camera is arranged at the end part of the laryngoscope blade, a display which is used for displaying images photographed by the camera is arranged on the handle, a regulating mechanism which is used for regulating the depth of the laryngoscope blade in a throat is arranged between the handle and the laryngoscope blade and comprises a regulating gear and a gear rack, a regulating window and a gear rack accommodating groove are formed in the handle, the regulating gear is rotatably arranged in the regulating window, the gear rack accommodating groove communicates with the regulating window, one end of the gear rack is fixedly connected with the laryngoscope blade, the other end of the gear rack is arranged in the accommodating groove in a sliding manner, and the gear rack is engaged with the regulating gear. The laryngoscope is simple in structure, the position of the laryngoscope blade in the throat can be fine-adjusted up and down, and thus, the laryngoscope can more efficiently work at throats of patients.
Owner:WENZHOU PEOPLES HOSPITAL
Endoscope target object size calculating method and analysis system
ActiveCN109730683AIn line with the habitAid in readingImage analysisEndoscopesUnit sizeComputer vision
The invention provides an endoscope target object size calculating method and an analysis system. The method includes the following steps of establishing the distance-pixel unit size mathematical relation model of the unit pixel size of an endoscope in different distances; collecting the distance d between the endoscope and a target object; taking an image of the target object through the endoscope, and correcting the distortion of the image; obtaining the number of pixels of the target object in the corrected image, detecting the size of the corresponding unit pixels in the distance of d through the distance-pixel unit size mathematical relation model, and calculating the size of the target object according to the calculating method of N*Sd, wherein N represents the number of the pixels of the target object, and the Sd represents the actual area size corresponding to the single pixel in the distance of d in the distance-pixel unit size mathematical relation model. The method is high in calculating speed and can rapidly and accurately calculates the size of the target object of the endoscope.
Owner:重庆金山医疗技术研究院有限公司
Direct method of three-dimensional motion detection and dense structure reconstruction based on variable optical flow
ActiveCN102663812AHelps to observeImprove calculation accuracy3D modellingOptical flowEnergy functional
The invention provides a direct method of three-dimensional motion detection and dense structure reconstruction based on a variable optical flow and relates to a video simulation technology of a three-dimensional motion object. The method is characterized by: (1) Deducing a three-dimensional motion basic conservation assumption; (2) Designing an energy function which can detect a three-dimensional moving speed of the object; (3) Using a variational method to deduce an iterative model which detects the three-dimensional moving speed, wherein the three-dimensional motion of the target object can be directly detected through a given image sequence according to the model; (4) Reconstructing a superficial dense structure according to a three-dimensional motion parameter of the target object. The method has the following steps that: the given image sequence can be directly used to detect the three-dimensional motion of the target object and the superficial dense structure can be reconstructed; an error influence of a intermediate process on a reconstruction result can be avoided; the three-dimensional dense structure of the target motion object surface can be recovered; detail information of the object surface can be observed conveniently; calculating precision is high and robustness is good.
Owner:NANCHANG HANGKONG UNIVERSITY
Implementation method and device for assisting parking based on stereoscopic image display
The present invention discloses an implementation method and device for assisting parking based on stereoscopic image display. The method comprises the following steps: step 1: processing images acquired by a vehicle-mounted multi-view camera system, to obtain a stereoscopic image of the place where a vehicle is located, and displaying the stereoscopic model of the vehicle in the stereoscopic image; and step 2, when the vehicle runs to a designated parking space in a parking lot, updating the stereoscopic image in real time according to images acquired by the vehicle-mounted multi-view camera system during the advancing process of the vehicle, and sequentially displaying a plurality of guiding frames for guiding the vehicle to enter the parking space in the stereoscopic image according to the position of the vehicle. By applying the implementation method and device for assisting parking based on stereoscopic image display, a diver can intuitively observe the position relation and the distance between the vehicle and an obstacle in the scene, so that a collision accident is avoided; the guiding process can be more intuitive through displaying the stereoscopic guide profiles and stereoscopic markers, and the observation is facilitated; and the driver can perceive the surrounding environment of the vehicle by switching the perspective of the stereoscopic image, and the safety of parking is further improved.
Owner:上海为森车载传感技术有限公司
Metallographic corrosive agent for as-extruded Mg-Li alloy and using method of metallographic corrosive agent
ActiveCN106400018AGrain boundaries are clearly identifiableHelps to observePreparing sample for investigationLithiumAcetic acid
The invention discloses a metallographic corrosive agent for an as-extruded Mg-Li alloy and a using method of the metallographic corrosive agent. The metallographic corrosive agent is prepared by mixing 98% by mass of glacial acetic acid, 50% by mass of picric acid and 98% by mass of ethyl alcohol, and preferably the volume ratio of glacial acetic acid to picric acid to ethyl alcohol is 20:20:60, so that metallographic corrosion of the as-extruded Mg-Li alloy can be finished conveniently and fast, and the as-extruded Mg-Li alloy subjected to metallographic corrosion has the clearest and most complete metallographic structure and clear and distinguishable grain boundaries, which is conducive to observing and analyzing the metallographic structure.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
Tree branch pruning device
InactiveCN105706754AImprove securityEasy to useCuttersMotor driven pruning sawsEngineeringControl switch
The invention relates to a tree branch pruning device and solves the defect of potential safety hazard that the tree branch pruning saw in the prior art has no safety insulation measures in use. The tree branch pruning device is characterized in that an insulation rod is fixed on an electric saw; a control switch for controlling the electric saw is fixed on the lower end of the insulation rod. When operators prune tree branches by using the electric saw, the operators operate the electric saw via the insulation rod, so that the electric saw is free of harm to the operators even if the electric saw is in contact with an electrification lead wire; the safety performance of the branch pruning device in use is improved; a detection device for detecting operation state of a saw blade is also fixed on the electric saw; the detection device communicates with a controller; the controller can control an alarm at the lower end of the insulation rod; the detection device enables the alarm to give an alarm and remind the operators via the controller when the electric saw cannot move due to the failure of the saw blade after the control switch is turned on during pruning of the tree branches by the operators; the usage performance of the tree branch pruning device is optimized.
Owner:HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +1
Air pressure type artery postoperation hemostat
The invention discloses an air pressure type artery postoperation hemostat and relates to the technical field of medical care instruments. The hemostat comprises an upper tank and a lower ring, wherein the upper tank is divided into an inner circular cavity A and an outer ring cavity A, and the inner circular cavity A and the outer ring cavity A open downwards; a one-way air inlet valve is mounted on one side of the top face of the inner circular cavity A, and a one-way air release valve is mounted on the top face of the outer ring cavity A; a puller bolt is arranged at the center of the top face of the inner circular cavity A in a threaded connection mode, and the outer side of the puller bolt is sleeved with a telescopic sealing sleeve; the lower end of the upper tank and the upper end of the lower ring are sealed in a loose joint mode; the lower ring is divided into an inner circular cavity B and an outer ring cavity B, the inner circular cavity B and the inner circular cavity A are identical in size and are sealed in a butt joint mode, and the outer ring cavity B and the outer ring cavity A are identical in size and are sealed in a butt joint mode; a cotton pad is arranged in the inner circular cavity B and soaked with etamsylate. The air pressure type artery postoperation hemostat has the advantages that negative pressure of the outer ring cavity A enables the device to be tightly adsorbed to the body of a patient without a bandage, positive pressure of the inner circular cavity A is used for balancing blood pressure to reduce bleeding, operation is easy, and time is saved.
Owner:SHANDONG RES INST OF TUMOUR PREVENTION TREATMENT
Road repair all-in-one machine
The invention aims to solve the problem that pavement defects are difficult to repair in the prior art. The invention discloses a road repair all-in-one machine. The road repair all-in-one machine comprises a brake wheel, a support frame, a first spiral spring, a first slider, a first guide frame, a first cleaning brush, a first rotating shaft, a nozzle, a water guide pipe, a water pump, a first motor, an inclined frame, a first gear, a second rotating shaft, a first connecting ring, a chain, a connecting frame, a containing box, a guide rod, a handle, a connecting rod, a guide frame, a guidecylinder, a second spiral spring, a sliding frame, a first rack, a second rack, a rotating disc, a second motor, a rack, fixing rods, a third motor, a pumping pump, a material guide cover, a second cleaning brush and a second slider. The road repair all-in-one machine is of an integrated structure, can clean the road surface, can fill stones into the defect parts of the road surface for repair, and is convenient to operate.
Owner:马孟杰
Indoor evaluating method for repellant effects of pest repellents
ActiveCN103621481AShortened crawl distanceHelps to observeInsect catchers and killersInsect repellentHost plants
The invention discloses an indoor evaluating method for repellant effects of pest repellents. According to the method, host plant branches which are treated by the pest repellants and are used as the control are respectively placed in branch cups arranged at the two sides of an experiment pest cage, then, sufficient experiment pests are fed from a pest feeding opening, the experiment pest cage is placed into an artificial climate box suitable for experiment pests to live, and the repellant effects of the pest repellents are observed after the preset time. A middle separation plate is arranged in the middle of the experiment pest cage for diving the experiment pest cage to form a left side pest cage and a right side pest cage, a pest feeding groove is formed in the top of the middle separation plate and is respectively communicated with the left side pest cage and the right side pest cage through a test pest outlet, the pest feeding opening capable of being opened and closed is formed in the cage wall above the pest feeding groove, screen ventilation openings are respectively formed in the side walls of the left and right side pest cages, screen covers are respectively arranged on the tops of the left and right side pest cages, and the branch cups capable of being used for placing host plant branches are also arranged in the left and right pest cages.
Owner:INST OF ZOOLOGY GUANGDONG ACAD OF SCI
Medical examination layered chromogenic reaction device
InactiveCN107655883ADoes not cause structural changesHelps to observeMaterial analysis by observing effect on chemical indicatorColor reactionEngineering
The invention relates to a medical examination layered chromogenic reaction device, and belongs to the technical field of medical apparatuses. The medical examination layered chromogenic reaction device comprises a device main body, the device main body is provided with side baffle plates, the side baffle plates are connected with an arc-shaped sealing plate through oriented movable shafts, fixedpoint fixing supports are arranged at the inner side of the arc-shaped sealing plate, the fixed point fixed supports are connected with telescoping sleeves through built-in rotating shafts, the telescoping sleeves are connected with telescopic support tubes, pedestal pasters are arranged at the lower sides of the telescopic support tubes, the arc-shaped sealing plate is provided with a middle port, a light transmission filter membrane is arranged in the middle port, an indicator light groove is arranged at the lower side of the middle port, and working indicator lights are arranged in the indicator light groove. The device has complete functions, is convenient to use, realizes a uniform chromogenic reaction without causing the component structure change of a sample solution in order to facilitate the observation of medical staffs, saves time and labor, is scientific, convenient, safe and highly-efficient, and greatly reduce the working difficulty of the medical staffs.
Owner:王云花
Three-dimensional stereo animation photo taking device
ActiveCN106773507AReduce the impactImprove the display effectStereoscopic photographyHuman bodyAnimation
The invention discloses a three-dimensional stereo animation photo taking device. The device comprises an upper hanging part and a lower support part, wherein the upper hanging part is used for hanging shot articles; the lower support part is used for supporting the shot article; a first dial, a hanging frame, a second dial and a lower rotating plate are installed, so that the hanging or supporting angle and direction can be freely selected; the surface and the point for photo taking can be conveniently found. The three-dimensional stereo animation photo taking device can be simultaneously applicable to the photo taking of soft articles and hard articles; when the lower rotating disc rotates, the shot article cannot easily shake or swing; during the photo taking, the precision can be improved, and the efficiency can also be improved. The photo taking device provided by the invention has the advantages that the simplicity, convenience and low price are realized; a three-dimensional stereo animation photo of the shot object can be precisely and really taken; the device is particularly suitable for the photo taking of articles difficult to be horizontally and stably placed and articles with irregular forms, such as the photo taking of human body tissue organ samples.
Owner:GUILIN MEDICAL UNIVERSITY
Anesthetic laryngoscope
PendingCN110811516AEasy to adjust the angleAvoid scratchesBronchoscopesLaryngoscopesOphthalmologyEngineering
The invention relates to the technical field of laryngoscopes, in particular to an anaesthetic laryngoscope. The anaesthetic laryngoscope comprises a debugging handle and a laryngoscope device clampedat the top of the debugging handle, the debugging handle comprises a handle, a handle groove is formed in the top of the handle, a rotating disc is rotationally arranged in an inner cavity of the handle groove through a rotating shaft, the top of the rotating disc is fixedly connected to a lower connector, a limiting groove is formed in the top of the lower connector, an inner cavity of the limiting groove is fixedly connected to a clamping shaft, the laryngoscope device comprises an upper connector, a clamping shaft groove is formed in the side face of the upper connector, the clamping shaftgroove is matched with the clamping shaft, the top of the upper connector is fixedly connected to a laryngoscope lens, a camera is arranged on the laryngoscope lens, the outer side of the laryngoscope lens is sleeved with a transparent soft sleeve, the transparent soft sleeve is clamped to the top of the upper connector, and an inner cavity of the transparent soft sleeve penetrates through a suction pipe. The angle between the laryngoscope lens and the handle can be adjusted to facilitate observation, and the transparent soft sleeve can prevent the camera from fogging and prevent the metal laryngoscope lens from contacting with the trachea to cause discomfort.
Owner:李庆忠
Buried culvert desilting system
InactiveCN110670708ARealize the function of stroke limit position controlImprove dredging efficiencySewer systemsFrequency changerReciprocating motion
The invention discloses a buried culvert desilting system, and belongs to the technical field of desilting equipment. The buried culvert desilting system comprises a scraper bucket and is characterized in that the buried culvert desilting system further comprises a main traction winch, an auxiliary traction winch, a main supporting frame, an auxiliary supporting frame, a main traction steel wire rope, an auxiliary traction steel wire rope, a PLC, a frequency converter and a displayer; a main proximity switch is fixed to the bottom of the main supporting frame, and an auxiliary proximity switchis fixed to the bottom of the auxiliary supporting frame; one end of the main traction steel wire rope is connected with the main traction winch, and the other end of the main traction steel wire rope is connected with the scraper bucket; one end of the auxiliary traction steel wire rope is connected with the auxiliary traction winch, and the other end of the auxiliary traction steel wire rope isconnected with the scraper bucket; and the scraper bucket is driven by the main traction winch and the auxiliary traction winch to do reciprocating motion in a culvert in the length direction of theculvert. Through the buried culvert desilting system, the desilting operation efficiency can be effectively improved, the operation process is visualized, thus, the operation situation of the interiorof the underground culvert can be monitored in real time, and deposits in the underground culvert can be advantageously removed to the greatest extent.
Owner:SINOHYDRO BUREAU 7 CO LTD +1
Pressing type test pencil
InactiveCN105629039AWon't scratchSave spaceCurrent/voltage measurementElectrical resistance and conductanceElectricity
The present invention provides a pressing type test pencil which comprises an electrical measurement contact, a current limiting resistor, a neon tube and a hand touch electrode which are electrically connected in order in an insulating shell. The hand touch electrode comprises a clamping lock block, a pressing connection rod and a hand contact. The outer side wall of the clamping lock block is provided with clamping ridges in annular space distribution. Two ends of the pressing connection rod are rotatingly connected to the clamping lock block and the hand contact. The inner wall of the insulating shell is provided with ridge shoulders corresponding to the clamping ridges. The front end middle part of the insulating shell is provided with a clamp groove, and the electrical measurement contact stretches into and out of the clamp groove. The outer side wall of the insulating shell is provided with a light hole corresponding to the position of the internal neon tube. A first spring is arranged between the electrical measurement contact and the current limiting resistor. A second spring is arranged between the neon tube and the clamping lock block. The pressing type test pencil has the advantages that the contraction and extension of the electrical measurement contact can be controlled through a pressing mode, the contraction of the sharp electrical measurement contact in a carrying process is assisted, more space is saved in carrying, scratching a carried tool is avoided, and the pressing type test pencil is convenient to use.
Owner:TIANJIN QINAXING TECH CO LTD
Resonance demonstration instrument and demonstration method thereof
The invention relates to a resonance demonstration instrument and a demonstration method thereof. A sound insulation cylinder is arranged on a pedestal, a sound insulation baffle plate is arranged on the central section of the sound insulation cylinder, and a support shaft is fixedly installed on the central section of the sound insulation baffle plate. A first rotating disc and a second rotating disc are respectively installed on the two ends of the support shaft through a first bearing and a second bearing, and uniformly distributed limiting holes are arranged in the outer side surfaces of the first rotating disc and the second rotating disc. Splined holes corresponding to the limiting holes are arranged in the two end faces of the support shaft, and limiting through nails are arranged in the splined holes and limiting holes. A resonance generator is arranged on the circumference direction of the first rotating disc, and a reception port is arranged in the upper portion of the resonance generator and connected with an amplification port through a reception pipe. A resonance reception device arranged on the circumference direction of the second rotating disc and corresponding to the resonance generator is arranged on the outer side of the amplification port. Resonance phenomenon can be directly demonstrated through the resonance demonstration instrument and the demonstration method thereof, thereby facilitating observation and enhancing understanding of the phenomenon.
Owner:南通英泰机电设备有限公司
Displaying regulating method of human body organ model and system
ActiveCN110097944AGood colorHelps to observeMechanical/radiation/invasive therapiesImage analysisHuman bodyMedical imaging data
The invention discloses a displaying regulating method of a human body organ model and a system. The method comprises the following steps of receiving medical image data and performing three-dimensional reconstruction; displaying a three-dimensional model in a preset color mode, and simultaneously displaying a displaying regulating area which displays a correspondence relation between a color thatcorresponds with the current color mode and image density; receiving an editing operation which aims at the correspondence relation between the color and the image density in the displaying regulating area, thereby obtaining a new color mode and applying the new color mode to the three-dimensional model. The displaying regulating method can realize color enhancement for aiming at a specific organtissue or focus in a three-dimensional model, thereby facilitating observing of the specific organ tissue or the focus by a doctor and performing surgery pre-navigation.
Owner:SHANDONG UNIV QILU HOSPITAL
Kit for ribonuclease protecting experiment
InactiveCN1793381AIncreased hybridization rateImprove hybridization efficiencyMicrobiological testing/measurementChemistryEnzyme digestion
The invention relates to a ribonuclease protecting experiment kit. It includes kit body and many reagent containers. The many reagent containers are fixed in the kit body. The kit body includes hybridization, RNA enzyme digestion, probe dilution, and sample adding buffer solution containers. The hybridization bugger solution is the following mixture: 40mmol / L PIPES(pH6.8), 1mmol / L EDTA(pH8.0), 0.4mol / L NaCl, 1mmol / L CTAB, and deionization formamide with 80% volume ratio. The RNA enzyme digestion bugger solution is the following mixture: 0.3mol / L NaCl, 5mmol / LEDTA, 10mmol / L Tris-HCl(pH7.4) and 50mg / L glycogen. The invention has the advantages of high sensitivity, good repeatability, and low production cost. And it can be applied to non radioactivity biotin sign probe.
Owner:PEKING UNIV SHENZHEN HOSPITAL
Pyramid-based scatter diagram sampling method and system
PendingCN113516732AImprove visualizationSolve the overdraw problemDrawing from basic elementsExecution for user interfacesImaging processingAlgorithm
The invention discloses a pyramid-based scatter diagram sampling method and system. The method comprises the following steps: converting a scatter diagram of acquired sample data into a density map; constructing a data density pyramid and a visual density pyramid based on the density map; taking the top layer value of the visual density pyramid as the initial sample number allocated to the corresponding area in the sample allocation graph, calculating the sample number allocated to each area in the sample allocation graph layer by layer according to the data density pyramid and the visual density pyramid, and obtaining a final sample allocation graph; and selecting sample points based on the final sample distribution diagram to obtain a sampling result. A pyramid structure commonly used for image processing is used for scatter diagram sampling so as to solve the problem of over-drawing, and effect sampling points capable of keeping high relative density and abnormal values at the same time are selected by fusing a data density map and a visual density map.
Owner:SHANDONG UNIV
Metallographic corrosive agent for extruded magnesium-lithium alloy and method for using metallographic corrosive agent for extruded magnesium-lithium alloy
ActiveCN105925983AGrain boundaries are clearly identifiableHelps to observePreparing sample for investigationHydrofluoric acidLithium
The invention discloses a metallographic corrosive agent for an extruded magnesium-lithium alloy and a method for using the metallographic corrosive agent for the extruded magnesium-lithium alloy. The metallographic corrosive agent for the extruded magnesium-lithium alloy is prepared by mixing the following components in percentages by mass: 40 percent of hydrofluoric acid, 60 percent of citric acid and 98 percent of ethanol; moreover, the volume ratio of the hydrofluoric acid to the citric acid to the ethanol is most preferably 40: 20: 40; thus, the metallographic corrosion of the extruded magnesium-lithium alloy can be completed conveniently and quickly; moreover, the metallographic structure of the extruded magnesium-lithium alloy subjected to the metallographic corrosion is clearest and most complete; crystal boundaries are clear and discernible; and in this way, the observation and the analysis of the metallographic structure are facilitated.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
Mining safe driving and accident analysis video recording system
InactiveCN105516677AHelps to observeAvoid observationTelevision system detailsColor television detailsVideo recordDisplay device
The invention belongs to the field of explosion-proof electric technology, and particularly relates to a mining safe driving and accident analysis video recording system. The mining safe driving and accident analysis video recording system settles the problems of no driving accident recording device in each of a majority of downwell personnel transportation vehicles, low use effect and high safety hazard in an existing downwell vehicle reversing device. The mining safe driving and accident analysis video recording system comprises a main controller box, three infrared light compensating cameras, four infrared light compensating lamps and one display device. The infrared light compensating cameras are respectively mounted at the cab, the compartment and the tail part of the downwell personnel transportation vehicle. Two infrared light compensating lamps are mounted next to headlights, and the other two infrared light compensating lamps are mounted next to reversing lamps. The mining safe driving and accident analysis video recording system can be used in a gas explosion dangerous environment and furthermore has advantages of small size, small weight, simple structure, convenient mounting and high practicability.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
Transformer primary and secondary coil homonymous terminal and synonym terminal recognition device
InactiveCN103116110AIncrease the trigger voltageLong lastingElectrical testingTransformerEngineering
The invention discloses a transformer primary and secondary coil homonymous terminal and synonym terminal recognition device. The transformer primary and secondary coil homonymous terminal and synonym terminal recognition device is characterized by comprising a 6V direct current power supply, an electromagnetic signal input circuit, a one-way controllable silicon triggering and amplitude limiting circuit and a detecting and indication circuit. Primary and secondary homonymous terminals and synonym terminals of some transformers, coupling coils or oscillating coils need to be known clearly. Sometimes, the recognition of homonymous terminals of a plurality of windings of the transformer is troublesome during the process of electric production and transformer maintenance and replacement. A dedicated instrument for detecting the homonymous terminals of the windings of the transformer does not exist in a market so that designing and manufacturing the transformer primary and secondary coil homonymous terminal and synonym terminal recognition device is quite necessary. A recognition circuit is composed by utilizing elements of one-way controllable silicon and the like so that homonymous terminals or synonym terminals of high-frequency and low-frequency transformers can be rapidly recognized, magnitude of power of the transformer does not need to be distinguished, a boosting transformer or a step-down transformer does not need to be distinguished, and detection and recognition are achieved.
Owner:李宁杭
Anti-fogging meter
InactiveCN102555808BHigh degree of visualizationPrevent foggingVehicle componentsDashboardDriver/operator
The invention discloses an anti-fogging meter, which comprises a lower dashboard shell and an upper dashboard shell. A rear dashboard cavity is formed between the lower dashboard shell and the upper dashboard shell, a front meter cover is hermetically mounted on the upper dashboard shell, a front dashboard cavity is formed between the upper dashboard shell and the front meter cover, and a dial is mounted on the upper dashboard shell and provided with a meter shaft hole. A meter movement mounting board and a meter movement are mounted in the rear dashboard cavity, a meter shaft is arranged on the meter movement, a meter needle cap is mounted at the upper end of the meter shaft, a meter needle is mounted on the meter needle cap, a meter shaft hermetical isolation device is arranged between the dial and the meter movement mounting board to partition the meter shaft and the rear dashboard cavity, and a meter shaft isolation cavity is communicated with the meter shaft hole. The front cavity and the rear cavity are partitioned by the meter shaft hermetical isolation device, air containing heavier vapor in the rear cavity cannot enter the front cavity, and accordingly vapor sources are reduced, fogging of the front meter cover can be effectively prevented, visibility of the meter is improved, and observation is facilitated for drivers.
Owner:潍坊科科电气有限公司
Dotted terminal identifier of high and low frequency transformer winding
InactiveCN103033721ASolving recognition problemsThe recognition result is accurateElectrical testingEngineeringConductor Coil
The invention provides a dotted terminal identifier of a high and low frequency transformer winding. The dotted terminal identifier of the high and low frequency transformer winding is characterized by comprising a 6V direct current power supply, an electromagnetic signal input circuit, a one-way controllable silicon triggering circuit and an indicating circuit. As instruments for identifying dotted terminals of transformer coil windings are hard to find on the market, so that the dotted terminal identifier of the high and low frequency transformer winding is very necessary to design and make. According to the invention, an identifier circuit formed by elements such as controllable silicon is adopted. Through the adoption of the dotted terminal identifier provided by the invention, the dotted terminal or different terminal of the high frequency transformer and the low frequency transformer can be rapidly identified without distinguishing the powers of the transformers; and both boosting transformers and step-down transformers can be both identified. According to the invention, a problem in identifying the dotted terminal or the different terminals of primary coils and secondary coils of the low frequency transformer coils or the high frequency transformer coils can be conveniently solved; and the dotted terminal identifier is a special testing tool for the transformer, which is featured with accurate identification result and easy popularization.
Owner:吴建堂
Pneumatic Arterial Postoperative Hemostat
Owner:SHANDONG RES INST OF TUMOUR PREVENTION TREATMENT
Urine guide and storage device capable of detecting urine flow
InactiveCN103622773AReduce workload and burdenReduce the burden on family membersUrological function evaluationBodily discharge devicesTraffic volumeUrology
The invention discloses a urine guide and storage device capable of detecting urine flow and a system. The device can meter urine in real time through a weight sensor in a urine guide and storage process and automatically release the urine according to dual signals of an induction device arranged on a urine storage bag and a processor connected with the weight sensor. The urine guide and storage device has the outstanding advantages that the urine amount can be detected in real time in the urine storage process, so that a doctor can conveniently observe the state of illness of a patient, and the workload and the burden of a nurse are also relieved. The urine guide and storage device disclosed by the invention can automatically release redundant urine according to the capacity of the urine, and the urine can be set to be discharged into a collector or directly discharged into a septic tank, so that the burden of the nurse or a family member of the patient is relieved; the urine guide and storage device is energy-saving and environment-friendly.
Owner:KEMAI CHANGZHOU ELECTRONICS
Angle-adjustable arm supporting device for orthopedic examination
InactiveCN110786939AGuaranteed stabilityHelps to observeInstruments for stereotaxic surgeryHydraulic cylinderOrthopedic examination
The invention belongs to the technical field of orthopedic examination devices, and concretely relates to an angle-adjustable arm supporting device for orthopedic examination, which comprises a base,a vertical hydraulic cylinder is arranged in the base, the vertical hydraulic cylinder controls a supporting rod to move up and down in the vertical direction, the top of the supporting rod is fixed to a supporting table through a connecting plate, a horizontal hydraulic cylinder is installed in the supporting table, the horizontal hydraulic cylinder is fixed to the sliding table through a push rod, and the sliding table is driven by the horizontal hydraulic cylinder to horizontally move along the sliding groove; a movable table is arranged above the sliding table, and two sets of shear type supports are arranged between the movable table and the sliding table. The upper spherical surface hole and the lower spherical surface hole of a ball clamping piece are matched to fix the ball body; and a supporting base is arranged on the right side of the supporting table. Compared with the prior art, the device has the following advantages that the whole device is simple, reasonable and convenient to operate, the arms of a patient can be placed at multiple angles in a relaxed and comfortable mode, observation and examination by doctors are facilitated, different use requirements can be met,and the use comfort can be effectively guaranteed.
Owner:界首泰谷工业设计有限公司
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ActiveCN106340230BRealize the phenomenon of resonanceHelps to observeEducational modelsResonanceEngineering
Owner:南通英泰机电设备有限公司
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ActiveCN103604741BGood chemical stabilityEasy to processWeather/light/corrosion resistanceElectrolytic agentPower grid
Owner:STATE GRID CORP OF CHINA +3
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