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45results about How to "Adapt to testing needs" patented technology

A dilution pretreatment detector for ion chromatographic detection of groundwater and its method

The application discloses a dilution pretreatment detector for ion chromatography detection of underground water and a method thereof, and relates to the technical field of water quality detection.The detector comprises a supporting shell, a dilution liquid storage cylinder is arranged in the supporting shell, an underground water storage cylinder is arranged in one side of the supporting shell, and a stirring dilution cylinder is connected to the bottom of the underground water storage cylinder and the dilution liquid storage cylinder.A series of structures are arranged, which can effectively avoid impurities from accumulating in the filter screen and the cylinder, greatly improve the impurity removal rate, provide high-purity samples for subsequent ion chromatography detection, reduce the risk of pipeline blockage and instrument damage, ensure that the sample concentration after dilution fully meets the ion chromatography detection requirements, significantly improve the accuracy and stability of the detection results, greatly improve the continuity and work efficiency of the underground water sample pretreatment, adapt to batch sample detection requirements, facilitate deep maintenance and component replacement, shorten equipment maintenance time, and reduce use and maintenance costs.
Owner:ZHENGZHOU PONY TESTING TECH

Automobile intercooler size detection tool

The utility model discloses a kind of automobile intercooler size detection tool, including detection base, limit compression subassembly, movable clamping subassembly, XYZ moving subassembly and detection subassembly.Limit compression subassembly is positioned and clamped to the X / Y of intercooler front end, movable clamping subassembly rear end Y is adjustable clamping;XYZ moving subassembly drives detection subassembly three-dimensional movement, and detection subassembly measures size deviation by array probe.Solve the problem of low efficiency, insufficient precision of traditional detection, realize intercooler high-precision, high-efficiency size detection, applicable to production detection.
Owner:HUBEI STARWAY NEW MATERIAL TECH CO LTD

A high-precision plug-in and plug-out durability test device

ActiveCN224499922UPrecise sliding directionavoid misalignmentTest efficiencyCoupling
The utility model discloses a kind of high-precision plug-in durability test equipment, belong to quick coupling detection technical field, including test box, the inside fixed connection of test box has workstation, the top fixed connection of workstation has the bottom plate of upper and lower parallel distribution, and fixedly connected with precision guide rod between bottom plate;The utility model, the setting of precision guide rod ensures that the sliding direction of push plate is accurate, prevents push plate deviation and causes plug alignment deviation;Female plug and female plug base thread connection, male plug and male head base bolt fixing mode, both facilitate staff to dismantle replacement female plug and male plug at any time, adapt to the test demand of different model plug, improve equipment versatility;Driving unit drives push plate to complete plug-in action automatically, replace manual operation, not only improve test efficiency, also avoid the error of manual operation, ensure the consistency of test result.
Owner:SUZHOU MEIXIN TESTING TECH CO LTD

Construction management and BIM component intelligent association method based on semantic space analysis

PendingCN121979918AImprove association efficiencyThe process takes a short timeSemantic analysisOffice automationThree-dimensional spaceEngineering
The invention discloses a construction management and BIM component intelligent association method based on semantic space analysis. The method comprises the steps that original voice signals are collected and processed; converting the voice signal into text information; performing entity recognition on the text information, and extracting entities; extracting space coordinates and attribute information of the components, and constructing a three-dimensional space index; searching all components in the spatial position range by utilizing a three-dimensional space index, and filtering to obtain candidate components; sorting the candidate components based on the space coordinates and the component types of the candidate components, and generating a mapping relationship between relative sequence numbers and component identifiers; mapping the relative sequence number of the entity into a component identifier by utilizing the mapping relationship; calculating the matching degree of each candidate component in multiple dimensions and the total matching degree to obtain a target BIM component; the detection result and the target BIM component are stored in an associated mode, and the attribute or state of the corresponding component in the BIM model is updated. The information association efficiency and the matching accuracy can be improved.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD

Performance testing device based on nanometer titanium dioxide photocatalysis screen virus disinfection

PendingCN121784282AAdapt to testing needsAdapt to application needsMicrobiological testing/measurementBiological testing
The invention belongs to the technical field of photocatalytic screen testing, and particularly discloses a performance testing device for virus disinfection and killing of a photocatalytic screen based on nano titanium dioxide, comprising: an air bag having a first inner cavity and a second inner cavity; the second inner cavity is isolated from the first inner cavity; the photocatalytic screen is mounted in the first inner cavity; the lighting part is installed on the air bag, and the light-emitting end of the lighting part penetrates through the second inner cavity and extends into the first inner cavity; the first inner cavity is matched with the lighting part so as to adapt to the working condition of the photocatalytic screen; the air supply part is provided with an air supply channel; the first inner cavity, the second inner cavity and the air supply channel jointly form a circulating gas path, and the circulating gas path is used for allowing internal test gas to circularly flow through the photocatalytic screen; according to the present invention, with the optimized inner cavity structure, the direct illumination and the closed circulation gas path, the efficient photocatalytic efficiency and the gas use are achieved, the multi-environment test is adapted, the operation condition is optimized, the energy is saved, and the performance is accurately evaluated.
Owner:BAICHENG MEDICAL COLLEGE

A mounting device for a wireless temperature and pressure recorder for testing the energy efficiency of an electric pressure cooker.

This utility model relates to the field of kitchenware testing technology, and in particular to a fixing device for a wireless temperature and pressure recorder for testing the energy efficiency of an electric pressure cooker. The device includes a fixing frame, which comprises an adjustable-length support leg, a position indicator circle, a vertical limiting rod, a horizontal drag ring, and an adjusting buckle. The adjustable-length support leg is disposed on the position indicator circle and is used to fix and support the fixing frame while maintaining contact with the bottom surface of the inner pot. The vertical limiting rod is detachably connected to the adjustable-length support leg. One end of the adjusting buckle is fixedly connected to the horizontal drag ring, and the other end is slidably sleeved on the vertical limiting rod, used to adjust and lock the position of the horizontal drag ring in the vertical direction. This utility model solves the problems existing in the prior art, such as the inability to fix the position of the wireless temperature and pressure recorder in the inner pot, large test result errors caused by using other wired thermocouples, low test efficiency, easy breakage of thermocouple wires, and easy impact on the sealing performance of the electric pressure cooker.
Owner:CHEARI BEIJING CERTIFICATION & TESTING

Network attack early warning method and device, electronic equipment and storage medium

PendingCN122601251AImprove analysis efficiencyAdapt to testing needs
The application relates to a network attack early warning method and device, electronic equipment and a storage medium. The method comprises the following steps: obtaining target network behavior data; wherein the network behavior data comprises external network behavior data and / or internal network behavior data; performing abnormality detection on the external network behavior data to determine a candidate suspicious user; performing cross comparison on target external network behavior data and target internal network behavior data corresponding to the candidate suspicious user to determine an attack target candidate set; and performing early warning on a target IP in the attack target candidate set that meets an abnormality condition. In this way, by performing linkage analysis on the external network behavior data and the internal network behavior data, both the pre-attack behaviors such as detection and scanning initiated by an attacker from the outside can be captured, and whether the attacker has established a connection with internal assets can be traced, thereby reducing the threat omissions caused by data fragmentation.
Owner:北京华顺信安信息技术有限公司 +1

Rail transit door anti-dragging method and system based on contact type sensitive edge resistance detection

PendingCN122082616ASolve the problem of insufficient sensitivity of detection technologyAddressing Insufficient SensitivityPower-operated mechanismControl theoryRail transit
This application discloses a method and system for preventing dragging of rail transit vehicle doors based on contact-type sensitive edge resistance detection. The method includes: acquiring train zero-speed signals, door closing and locking status signals, and isolation status signals; and using a controller to determine whether to activate sensitive edge detection based on the combined logic of the acquired signals. When sensitive edge detection is activated, the controller detects the resistance change of the sensitive edge, and converts the detected sensitive edge resistance signal into a voltage signal via a resistance sampling circuit inside the controller. The voltage value corresponding to the converted voltage signal is used as a decision variable. If the decision variable corresponding to the sensitive edge meets a first preset condition, it is determined that the sensitive edge has been triggered and an object is being clamped. The controller then controls the disconnection of the safety relay contacts to cut off the train traction circuit, and simultaneously triggers an alarm device to issue an audible and visual warning signal. This application can reliably identify and lock soft, thin objects clamped by the vehicle, eliminating the risk of dragging.
Owner:NANJING CHEERIO MECHANICAL & ELECTRICAL EQUIP CO LTD

A modular configurable tooling detection method

The application discloses a kind of modular configurable tooling detection methods, belong to tooling detection field, specifically include: module configuration step, automatic detection step, detection result processing step.Before detection, detection group leader configures detection hardware according to detection plan, software platform.When the unit to be detected is placed in the area to be detected, detection personnel start main control machine, and start automatic detection process according to the configuration parameters of detection scheme module, detection strategy module and detection alarm module after authentication.After detection, whether the detection data is entered into database according to the parameters configured by data analysis module is processed by main control software;Whether detection report is saved or printed;The application is adapted to the detection needs of the unit to be detected constantly upgrading iteration by the modularization and configurability of detection hardware and software platform, and the problem that error reproduction is difficult, error chain is deep and difficult to locate is solved by error tracing module.
Owner:NANJING INTELLIGENT APP

A kind of auxiliary detection tool and method for outer gear ring of steel embedded aluminum composite motorcycle sprocket

PendingCN122590780Aavoid interferenceInsufficient adaptation
The present application belongs to the technical field of sprocket quality detection equipment, and particularly relates to a kind of auxiliary detection tool and method for steel embedded aluminum composite motorcycle sprocket outer gear ring, tool includes threaded rod, mobile seat screwed on screw rod, fixed block rotationally connected to the top end of threaded rod, guiding rod evenly distributed around fixed block and along horizontal arrangement, sliding block slidingly connected to guiding rod, force transmission rod connected between the bottom end of sliding block and the side end of mobile seat, the two ends of force transmission rod are respectively hinged with sliding block and mobile seat, the threaded rod is connected with driving mechanism, under the action of driving mechanism, threaded rod rotates, and several sliding blocks are synchronously moved outward or inward by the lifting of mobile seat, several sliding blocks constitute forced round execution element, and the top end of sliding block is provided with push block. Method is forced round method. The present application effectively solves the problems that the existing technology cannot distinguish the reason for the out-of-round of steel embedded aluminum outer gear ring and cannot accurately determine the size eligibility of products in machine.
Owner:QINGDAO ZHENGHE CHAIN TRANSMISSION CO LTD

Chip package auxiliary detection device

ActiveCN224695782UAdapt to testing needsavoid blind spotsMechanical engineeringPhysics
The utility model discloses a chip package auxiliary detection device, include: bearing base, its top fixedly connected with the mounting seat cylinder, the inside fixed mounting of mounting seat cylinder has the lift cylinder, the telescopic end top fixed mounting of lift cylinder has the bearing connecting plate, the upper surface fixed mounting of bearing connecting plate has visual detection camera no.
Owner:SUZHOU NAVITECH ELECTRONIC TECH CO LTD

A high-precision visual inspection device for pet food production lines

PendingCN122538450AEliminate wrinkle interferenceReduce missed detection
This invention relates to a high-precision visual inspection device for pet food production lines, belonging to the field of pet food inspection technology. It includes a main body with a conveyor belt installed inside. A first inspection component is located at the upper end of the conveyor belt, used for preliminary inspection of stains and damaged areas on the material surface. A centering and rejection component is located on one side of the first inspection component, used for centering and rejecting unqualified materials during the conveying process. A first damage detection component is located inside the centering and rejection component, used for initial verification of damaged materials detected by the first inspection component. This invention significantly reduces the rate of missed and false detections through a tiered inspection mode of initial inspection with an industrial camera, initial verification with heating thermal imaging, and secondary verification with airflow temperature difference.
Owner:XIANLANG PET FOOD (LIAONING) CO LTD

PCB circuit board short circuit defect testing device

The utility model relates to the field of PCBs, in particular to a PCB short circuit defect testing device. Comprising a bottom plate, supporting rods, bolts, a supporting plate, positioning columns, a cover plate, a mounting plate and the like. The bottom plate is installed on the lower side of a testing area inside the PCB electrical performance testing machine, a plurality of supporting rods are fixed to the bottom plate through bolts, a supporting plate is fixed to the upper sides of the supporting rods on the bottom plate through bolts, a PCB is placed on the supporting plate, testing points are arranged on the PCB, positioning columns are arranged at the four corners of the upper side of the supporting plate, and probes and a plurality of ejector pins are arranged on the upper side of the supporting plate. The probes are connected with a PCB electrical performance testing machine through copper wires, and the probes are in contact with testing points on the PCB. According to the utility model, the resistance and inductance values of the PCB are measured in a four-wire resistance test and inductance test mode, the control threshold values of the resistance and inductance values of good products are screened as standard threshold values, and short circuit defects of different lines in the same network can be accurately intercepted.
Owner:KAIPING ELEC & ELTEK NO 3 CO LTD

Device for detecting sealing performance of end socket of pressure vessel

The utility model relates to a device for detecting the sealing performance of a seal head of a pressure vessel, which belongs to the technical field of sealing detection and comprises a box body, an air cylinder, a pressurizing air inlet pipe, a pressure gauge, a cover plate, a connecting pipe and a connecting flange, the first quick release mechanism and the second quick release mechanism each comprise a plurality of rotatable pressing screws, the upper portions of the pressing screws are in threaded connection with pressing nuts, and the pressing screws are sleeved with pressing blocks capable of sliding up and down. According to the utility model, the flange of the to-be-detected end socket is connected with the connecting flange of the connecting pipe through the quick release mechanism II, so that the actual connection mode of connecting the flange with the end socket can be well simulated, the detection environment is closer to the actual use condition, and the accuracy of the detection result is improved. The multiple cover plates are arranged, the diameters of the connecting pipes of the multiple cover plates are unequal, and different cover plates can be rapidly replaced in cooperation with the first rapid disassembly mechanism, so that the detection requirements of end sockets of various sizes are met, operation is easy and convenient, and the detection efficiency is improved.
Owner:ZIBO SPECIAL EQUIP INSPECTION & RES INST

An explosion-proof detection device for liquid-cooled cables

ActiveCN224651082Usmall footprintImprove use adaptability
The utility model belongs to cable detection equipment application technical field, concretely belongs to a kind of liquid cooling cable's explosion-proof detection equipment, including detection box, gas storage device and air inlet device, the air inlet device, gas storage device and detection box are connected through gas pipe through between adjacent, the upper portion one side end of detection box is provided with gas pipe interface, the gas pipe interface is penetrated in the inside of detection box, the lower portion of gas pipe interface is connected with liquid cooling cable, the liquid cooling cable is fixedly connected by nut and gas pipe interface, the inside top of detection box is provided with multiple fixed bands, the surface of liquid cooling cable is wrapped around by the fixed band, for the fixation of liquid cooling cable.
Owner:RED-FLAG CABLE ELECTRICAL INSTR GRP CO LTD (ABBR RED-FLAG GRP)

An oil chromatography degassing tank aging test fixture

ActiveCN224623991UAccurately record false triggersAccurately record the number of times it was not triggered
This utility model relates to the field of power equipment condition monitoring and fault diagnosis technology, and discloses an oil chromatography degassing tank aging test fixture, including: a main oil tank, an auxiliary oil tank, a vacuum pump, an oil pump, an inlet valve, an outlet valve, a venting valve, a pressure sensor, a level sensor, a control unit, and a power module; the main oil tank and the auxiliary oil tank are connected by an oil circuit to form a closed-loop cyclic test system; this utility model can accurately record the number of times the level sensor is falsely triggered or not triggered through tens of thousands of cyclic tests, calculate the failure probability, and provide data support for product improvement; based on MCU program control, it realizes fully automatic cyclic testing, reduces manual intervention, and improves testing efficiency and consistency.
Owner:SHANGHAI RUIKAI ELECTRIC CO LTD

A vehicle roll-over protection device

The utility model provides a kind of vehicle rollover protection device, it includes installation crossbeam, with the both ends of the installation crossbeam connection two support arms and with the end of the support arm connection ground contact protection piece, the end of the support arm has an installation shaft and the circumferential distribution of several corner positioning holes around the installation shaft, the ground contact protection piece includes connecting piece, support and telescopic positioning mechanism, the connecting piece is rotatably connected with the installation shaft and is fixed opposite with support arm by the corner positioning hole, the support includes adjusting block and the support plate connected with adjusting block, the adjusting block is movably cooperated with the connecting piece, the telescopic positioning mechanism makes the adjusting block and the connecting piece fixed opposite.The utility model can change the support angle and extension distance of ground contact protection piece, and can select the support angle and extension distance of appropriate adaptation according to the different test working condition, to improve test efficiency and protection effect.
Owner:CHINA AUTOMOTIVE ENG RES INST

Mobile phone mainboard edge defect detection device

The utility model relates to the field of mobile phone mainboard detection, and discloses a mobile phone mainboard edge defect detection device which comprises a mainboard defect detection table, a mainboard placement table fixedly installed at the top of the mainboard defect detection table, a mobile phone mainboard slidably installed at the top of the mainboard placement table, and a portal frame fixedly installed at the top of the mainboard defect detection table. The mobile phone mainboard edge defect detection device further comprises a mainboard edge defect detection assembly, an arranged defect detection plate is matched with a reset spring, the mobile phone mainboard edge defect detection device can automatically adapt to and be clamped into edge defects of a mobile phone mainboard, manual one-by-one detection is not needed, and the detection efficiency is greatly improved; by utilizing a linkage mechanism of the inspection rod and the defect observation rod, when the defect inspection plate is clamped into a defect, the inspection rod can push the defect observation rod to rotate and incline on the pin shaft, and the position and degree of the defect can be accurately judged by observing the inclination, so that the detection accuracy is improved.
Owner:YOUREN ELECTRONIC TECH (SUZHOU) CO LTD

Electric energy storage detection device

The utility model discloses an electric energy storage detection device, which belongs to the technical field of energy storage detection, and can effectively adjust the position of a test needle according to different overall sizes and the like of energy storage batteries before working so as to adapt to the overall detection requirements of different energy storage batteries and improve the overall practicability of the device. The electric energy storage detection device comprises a bearing box, a conveying assembly is installed at the top of the bearing box, protruding plates are symmetrically installed at the top of the bearing box, first electric push rods are installed at the middle sections of the protruding plates, and blocking plates are fixed to the extension ends of the first electric push rods; a second electric push rod is mounted at the top of the mounting frame, a pushing plate is slidably arranged in the mounting frame corresponding to the extension end of the second electric push rod, sliding cavities are symmetrically formed in the pushing plate, sliding blocks are slidably arranged in the sliding cavities, and positioning bolts are mounted on the outer side edges of the sliding blocks in a threaded mode; a sliding groove for the positioning bolt to slide is formed in the side edge of the pushing plate.
Owner:BEIJING BOTIANWANGTIAN IND INFORMATION TECHNOLOGY RESEARCH INSTITUTE CO LTD

Device for detecting anti-cracking bearing capacity of precast concrete cover plate

The utility model belongs to the technical field of building material detection equipment, and particularly relates to a precast concrete cover plate anti-crack bearing capacity detection device which comprises a support and a cover plate support arranged on the support, a pressure detection assembly is arranged on the support through a front-back adjusting mechanism, the front-back adjusting mechanism comprises a guide groove formed in the support, and the cover plate support is arranged on the guide groove. A first guide block is arranged in the guide groove, a lead screw is arranged in the guide groove, one end of the lead screw is movably arranged on the support through a bearing, and according to the size of the precast concrete cover plate, the front-back position of the pressure detection assembly is adjusted by rotating the rotating handle, so that the data detection mechanism is aligned to the position, needing to be detected, of the precast concrete cover plate; the front-back position of the pressure detection assembly can be conveniently adjusted, the detection requirements of prefabricated concrete cover plates of different sizes are met, and the detection efficiency is improved.
Owner:SHENZHEN GUYI BUILDING MATERIALS CEMENT PROD CO LTD

Earthquake source excitation device of tunnel advanced geological forecast elastic wave method

The utility model relates to the technical field of physical exploration, and discloses a tunnel advanced geological forecast elastic wave method seismic source excitation device which comprises a bearing shell, the top of the bearing shell is fixedly connected with a first telescopic column, the top of the first telescopic column is in sliding connection with a second telescopic column, an excitation mechanism is arranged in the bearing shell, and the top of the second telescopic column is in sliding connection with a second telescopic column. A plurality of fixing assemblies are fixedly connected to the outer wall of the second telescopic column, a detection assembly is fixedly connected to the left side of the fixing assembly on the left side, a lifting mechanism is fixedly connected to the interior of the first telescopic column, and the lifting mechanism is used for adjusting the length of the device, so that the device better adapts to the geological environment. According to the utility model, the motor in the shell is started, the top rotating shaft and the triangular plate are rotated, the iron ball is knocked to produce sound, the sound amplification assembly amplifies sound, the long column is fixed on the ground, the vibration sensor detects amplitude and frequency, data are uploaded to the master controller for a user to check, subsequent operation is facilitated, and user requirements are met.
Owner:HENAN WATER INVESTMENT SHENCHENG SISHUI TONGZHI ENG MANAGEMENT CO LTD

Electric power fitting resistance detection equipment

The invention provides electric power fitting resistance detection equipment which comprises a detection assembly which comprises a base and is fixedly provided with a resistance detector, and the resistance detector is fixedly connected with a positive wire and a negative wire; and the positioning detection mechanism comprises a mounting seat, a mounting plate, a bearing part, a detection positioning part and a temperature detection part. During use, the positioning detection mechanism realizes stable bearing and conductive holding of the electric power fitting main body through the bearing parts and the detection positioning part, a conductive opening and closing part of the conductive mechanism can control the on-off of a detection loop and is linked with the transmission mechanism, and when the loop is disconnected, the two bearing parts are synchronously driven to be separated, so that the electric power fitting main body can be stably supported. The electric power fitting main body automatically falls off; the classification guiding and conveying mechanism adjusts the guiding and conveying direction of a guiding and conveying assembly through a motor, qualified hardware fittings are guided and conveyed to a salt mist box for corrosion reinspection, unqualified hardware fittings are guided and conveyed to a conveying belt for discharging, and manual sorting is not needed. The whole structure realizes linkage control of detection, positioning, on-off, supporting and classified guiding.
Owner:HUAHAO ZHONGNENG TESTING TECH GRP CO LTD

A paperboard processing device with strength testing function

This invention relates to the field of paperboard strength testing technology, and in particular to a paperboard processing device with strength testing function. The device includes a testing platform, a support plate fixed to the top of the testing platform, and two paperboard clamps for holding the paperboard above the support plate. A curvature adjustment mechanism for driving the paperboard clamps to rotate up and down is provided between the support plate and the two paperboard clamps. Furthermore, two torsion adjustment mechanisms for driving the paperboard clamps to swing are also provided outside the paperboard clamps. This invention, through the curvature and torsion adjustment mechanisms, allows for the application of compression bending loads and horizontal torsional loads sequentially to the paperboard within the clamps after a single clamping and fixing of the paperboard on the same device. This not only reduces testing procedures and labor costs but also reduces positioning deviations, increases the accuracy of test results, and significantly improves testing efficiency, meeting the batch and rapid testing needs of the comprehensive mechanical properties of paperboard in large-scale production.
Owner:LANGFANG FUANDA PACKAGING PROD CO LTD

A chip sensing component and a trace gas detection device

This disclosure belongs to the field of on-chip integrated sensing technology, and provides a chip sensing component and a trace gas detection device. The chip sensing component includes: a first mode field coupler, a power beam splitter, a non-uniform free spectral range microring resonator array, a power combiner, and a second mode field coupler connected in series. The non-uniform free spectral range microring resonator array is composed of N microring resonators with different resonant ring lengths connected in parallel, and the evanescent field of the ring waveguide of each microring resonator is exposed to the chip surface environment. It is used to capture the absorption information of gas molecules using multiple evanescent fields, and outputs N probe beams carrying the absorption information of gas molecules to the power combiner. By using multiple microring resonators with different ring lengths, the spectral sampling interval is effectively greatly compressed, breaking through the limitation of the free spectral range of a single microring, enabling the on-chip system to detect the narrow linewidth absorption characteristics of gas molecules.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

A sensing material for detecting atmospheric carboxylic acid, a preparation method, a detection method and applications

This invention discloses a sensing material, preparation method, detection method, and application for detecting atmospheric carboxylic acids, belonging to the field of environmental functional materials technology. It solves the problems of complex operation and inability to achieve real-time online monitoring in existing methods. The sensing material for detecting atmospheric carboxylic acids is a MOF-802-EDTA-Pt composite film. Its preparation method includes: synthesizing MOF-802 material via a hydrothermal reaction using 1,3,5-benzenetricarboxylic acid (BTC) and aluminum nitrate as raw materials and ethylenediaminetetraacetic acid (Na-EDTA) as a ligand; dispersing MOF-802 in DMF to form a coating solution, and forming a film on a glass substrate using a dip-coating method; subsequently loading platinum nanoparticles, and obtaining the composite sensing film through a solvothermal reaction and vacuum drying. The MOF-802-EDTA-Pt composite film has a porous structure and fluorescence properties, achieving detection through the fluorescence quenching effect of carboxylic acid molecules and the MOF framework. The method of this invention has controllable process, high material stability, and is effective in detecting CO2. 2 NO 2 It maintains excellent selectivity even under conditions where other interfering substances coexist, making it suitable for real-time monitoring of carboxylic acid pollutants in the atmospheric environment.
Owner:TIANJIN UNIV

A method for positioning and selecting LED chips

ActiveCN119364936BOrderly rowseasy to sortWaferSemiconductor
A method for positioning and selecting LED chips includes: 101. Fabricating LED semiconductor dies using a photomask with a fixed spacing, and performing parameter point measurements on the fabricated LED semiconductor dies to obtain their point measurement data; 102. Determining the actual BIN segment interval to which each LED semiconductor die belongs based on the point measurement data; 103. Recording the grid layout of each LED semiconductor die to obtain layout data; 104. Sorting; the sorting device, based on the layout data, picks out LED semiconductor dies belonging to the same actual BIN segment interval from their original positions on the wafer and moves them to the corresponding blue film; wherein, the sorting device includes multiple individually controllable picking devices, and the spacing between each picking device is the same as the grid spacing, so that the sorting device can selectively pick up the corresponding LED semiconductor dies according to the layout data, which can improve the sorting efficiency of LED semiconductor dies in chip production, ensure chip quality, and help reduce production costs and improve automation level.
Owner:XIAMEN UNIV

Desktop small-angle x-ray scattering apparatus

ActiveCN224624425USmall footprintReduce X-ray divergence angle
This invention provides a desktop small-angle X-ray scattering device, including a base plate. Two sets of translation tracks are fixedly connected to the top surface of the base plate. A detector assembly and a sample stage assembly are respectively installed at both ends of the translation track surface. A radiation assembly is installed on the top surface of the base plate at one end of the translation track. The radiation assembly includes a light source support. A light source support is fixedly connected to the top surface of the base plate at one end of the translation track. A light source is fixedly connected to the upper part of one side of the light source support. A connecting plate is fixedly connected to the middle of one side of the light source. A light source hole is provided in the middle of one side of the connecting plate. A filter unit is fixedly connected inside the light source hole. A collimator is fixedly connected to one side of the connecting plate. This invention enables small-angle experimental testing through the cooperation of the translation tracks, detector assembly, sample stage assembly, and radiation assembly.
Owner:安徽国科仪器科技有限公司

A solid-state battery testing device

PendingCN122671904AReduce the amount of diffusionReduce the risk of inhaling harmful fumes
This invention relates to the field of solid-state battery testing equipment, specifically to a solid-state battery testing device. The device includes a testing body, comprising a horizontally arranged mounting cylinder with openings at both ends. An opening is formed in the middle of the mounting cylinder, and an arc-shaped sealing cap is hinged to the opening for sealing it. A mounting bracket is located within the mounting cylinder at the arc-shaped sealing cap, and a puncture mechanism for puncturing the solid-state battery is provided at the mounting bracket. A main sliding plate and a secondary sliding plate are slidably arranged within the mounting cylinder, forming a sealed testing chamber together with the inner wall of the mounting cylinder. This invention effectively confines toxic and harmful gases such as hydrogen fluoride and carbon monoxide generated during the puncture process within the testing chamber, significantly reducing the diffusion of toxic gases into the testing environment and lowering the risk of inhalation of harmful gases by testing personnel.
Owner:CHANGZHOU INST OF LIGHT IND TECH

A fully automatic online paper defect detection device

ActiveCN224636391UQuick cullingAccurate removal
This utility model discloses a fully automatic online paper defect detection device, relating to the field of paper defect detection technology. The device includes a base on which a first paper conveyor belt, a second paper conveyor belt, and a third paper conveyor belt are mounted. A paper rejection assembly includes a guide plate with connecting frames fixedly connected to its four corners. Two second fixed supports are fixedly connected to the lower end of the guide plate, and two rotating shafts are rotatably connected to the opposing surfaces of the two second fixed supports. Multiple paper rejection plates are fixedly connected to the surfaces of the two rotating shafts. Four through slots are formed on the surface of the guide plate, and multiple paper rejection plates are driven to move collaboratively via sprockets and chains. The rejection plates, in conjunction with the guiding effect of the through slots, can quickly and accurately reject defective paper from the conveying path, avoiding the accidental rejection of normal paper. This further improves rejection reliability, reduces the risk of entire batches of products being scrapped due to defective paper contamination, and lowers economic losses for enterprises.
Owner:ZHEJIANG HAIHONG COLOUR PRINTING CO LTD

A line flaw detection apparatus

ActiveCN224651226UAccurately identify surface defectsAccurately identify electrical performance abnormalities
The utility model relates to line detection technical field discloses a kind of line flaw detection equipment, including workbench, the top of the workbench is fixedly connected with mounting bracket, the inside top of the mounting bracket is provided with detection mechanism, the detection mechanism is used to detect line, the top of the workbench is provided with conveying mechanism in front and back side, the conveying mechanism is used to convey line, the inside of the conveying mechanism is provided with clamping mechanism, the detection mechanism includes integrated board, the top of the integrated board is fixedly connected in the inside top of mounting bracket, the bottom of the integrated board is fixedly connected with telescopic link. In the utility model, high-definition camera, infrared scanner and energized needle are integrated by integrated board, so that optical detection and energized test are carried out synchronously, line surface flaw and electrical performance anomaly can be accurately identified simultaneously, detection efficiency and accuracy are improved, and high-precision comprehensive detection requirements are met.
Owner:JIANGSU HUAYING GUANGHE INTELLIGENT EQUIPMENT CO LTD