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54results about How to "Meet different testing needs" patented technology
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Water quality sampling device
InactiveCN222336866Uprevent leakageGuaranteed purityWaterborne vesselsWithdrawing sample devicesTest sampleSample water
The utility model discloses a water quality sampling device, relates to the technical field of water quality sampling, and solves the problems that as different detection items need to detect the water quality of different depths and areas, after the sampling device in the patent samples the water quality, it is difficult to ensure that a sample cannot be mixed with the water quality of water areas in other depths, and the water quality cannot be detected. Therefore, the purity of a detection sample is difficult to guarantee, and the accuracy of a detection result is influenced. A water quality sampling device comprises: a buoy; the buoy adopts a conical block structure; a fixing frame of a frame structure is fixedly arranged at the top of the buoy. A connecting rod of a cylindrical structure is slidably arranged in a circular through groove in the middle of the top of the fixing frame. A penetrating type circular sliding groove structure is formed in the middle of the connecting rod. The bottom of the connecting rod is fixedly connected with a container cylinder of a cylindrical structure; the purity of a sample in the container cylinder is ensured, the accuracy of a detection result is ensured, and the practical value is better.
Owner:陈海燕
Server test environment guarantee method and system based on dynamic simulation
PendingCN121785869Aflexible constructionFlexible and dynamic managementVolume/mass flow measurementHardware monitoringServerComputer engineering
The invention discloses a server test environment guarantee method and system based on dynamic simulation, a storage medium and computer equipment. The method comprises the steps that the air inlet temperature, real-time power consumption and heat dissipation strategy signals of a tested server and the actual environment temperature of an incubator are collected in real time; dynamically setting the temperature of the air inlet of the tested server as the target environment temperature of the incubator, and calculating the real-time temperature deviation between the actual environment temperature and the target environment temperature; if the real-time temperature deviation exceeds a preset threshold value, a dynamic PID control algorithm is triggered, a basic control quantity is obtained through calculation according to the real-time temperature deviation through the dynamic PID control algorithm, a dynamic compensation quantity is obtained through calculation according to the target environment temperature, the real-time power consumption and the heat dissipation strategy signal, and the heat dissipation strategy signal is obtained based on the basic control quantity and the dynamic compensation quantity. Generating a temperature control instruction of the incubator; according to the temperature control instruction, a refrigerating or heating device of the incubator is dynamically adjusted so as to guarantee the test environment of the tested server.
Owner:NINGCHANG INFORMATION TECH (HANGZHOU) CO LTD
Pressure test detection equipment for valve production and processing
ActiveCN224189531UAccurate clampingStable clampingMachine valve testingMaterial strength using tensile/compressive forcesControl engineeringContinuous operation
The utility model discloses pressure test detection equipment for valve production and processing, which comprises a support frame, a clamping assembly is arranged on the support frame, the clamping assembly comprises an air cylinder and a moving plate, the air cylinder is arranged on the support frame, the moving plate is connected to the output end of the air cylinder, a fixed plate is arranged on the support frame, and the fixed plate is connected to the output end of the air cylinder. The fixed plate and the movable plate are each provided with a connecting pipe, the number of the connecting pipes is two, one connecting pipe is connected with a water inlet hose, the water inlet hose is provided with a removing assembly, the removing assembly comprises a fixed sleeve and a movable ring, the fixed sleeve is installed on the water inlet hose, and the movable ring is installed on the fixed sleeve. And the movable ring is slidably connected to the fixed sleeve, so that the technical problem that in the prior art, when existing pressure test detection equipment is used for valve detection, once a valve needs to be replaced in the detection process, a rapid clamping and releasing mechanism is lacked, and the continuous operation capacity and procedure connection are seriously affected is solved.
Owner:HENAN LITAI VALVE MFG CO LTD
Elastic part suspension tension and compression testing device
ActiveCN224189685UGuaranteed gripping forceprevent looseningMaterial strength using tensile/compressive forcesPull forceClassical mechanics
The utility model discloses an elastic member suspension tension and compression testing device, which relates to the technical field of tension and compression testing devices and comprises a base, a fixed seat is fixedly connected to the left side of the top of the base, a central controller is fixedly connected to the rear side wall of the fixed seat, and fixed frames are fixedly connected to the tops of the fixed seat and a movable sliding seat. Pressure compensation clamping assemblies are arranged in the two fixing frames, and a testing assembly is arranged on the right side of the top of the base. According to the utility model, through the arranged pressure compensation clamping assembly, pressure adjustment can be carried out according to a pressure signal fed back by a pressure sensor, and the clamping force of the elastic member suspension is ensured to be within a proper range, so that the reliability of test data is improved; the device can accurately control and adjust the magnitude of the applied tension or pressure to meet different test requirements, so that the performance of the elastic part suspension under different tension and pressure conditions is accurately evaluated.
Owner:JINAN ZHONGCHUANG IND TEST SYST CO LTD
Dynamic shearing test device and method for flexible connection assembly of aircraft fuel system
ActiveCN120043882BDynamic shear test implementationImprove test efficiencyDetection of fluid at leakage pointMaterial strength using steady shearing forcesAircraft fuel systemWorking pressure
This invention belongs to the field of testing technology, specifically relating to a dynamic shear test device and method for a flexible connection assembly of an aircraft fuel system. The test device includes a reciprocating assembly, a clamping assembly, and a loading assembly. A second push block in the reciprocating assembly is connected to a first locking block in the clamping assembly. The loading assembly is located on one side of the clamping assembly. The reciprocating assembly applies a shear load to the flexible connection assembly. The clamping assembly is responsible for clamping and fixing the test tube. The loading assembly injects pressure into the test tube. By connecting two test tubes using the flexible connection assembly, and controlling the pressurization module in the loading assembly to pressurize the test tube and the electric cylinder in the reciprocating assembly to apply thrust to the test tube, the internal working pressure and external shear load of the flexible connection assembly are tested. This provides standard equipment and methods for conducting life testing research on flexible connection assemblies, and also provides a reference for the selection of flexible connection assemblies.
Owner:CHINA AERO POLYTECH ESTAB
A variable speed pipeline visual inspection apparatus adjustable support
This utility model discloses an adjustable bracket for a high-speed production line visual inspection equipment, belonging to the field of visual inspection technology. It includes a protective plate, which is bent to form a semi-enclosed placement space in which the visual inspection equipment is placed; a fixed frame, which is mounted on the profile of the production line; and a connecting frame, the connecting end of which is connected to the protective plate, and the visual inspection equipment is fixed to the connecting end of the connecting frame. The connection position between the connecting frame and the fixed frame is provided with a mutually cooperating adjustment structure, allowing the height of the connecting frame to be adjusted along the length of the fixed frame. This utility model features high precision, strong stability, a large adjustment range, and easy installation, and is suitable for visual inspection systems in industrial production lines.
Owner:TIANJIN CITY BAILI TIANDI ELECTRIC COMPLEMENT
Height-adjustable multi-angle light source and PCB board detection device
ActiveCN224758400URealize fully automatic optical inspectionEliminate lighting defects
The utility model relates to surface defect detection technical field discloses a height -adjustable multi -angle light source and PCB detection device. The height -adjustable multi -angle light source includes window board, the top central mounting of window board has coaxial light source subassembly, and the light path of coaxial light source subassembly is throughly set up on window board on the light window of supplementing, and the height -adjustable multiple sets of lamp board are arranged at the bottom one side of window board at intervals, and the angle between multiple sets of lamp board and predetermined detection plane gradually increases along the light path light direction of coaxial light source subassembly, and the emergent light of coaxial light source subassembly and each group lamp board can cover the detection surface of work piece, and the periphery of coaxial light source subassembly is also evenly provided with multiple shooting windows for observing or shooting work piece at multiple angles on window board. The height -adjustable multi -angle light source of the utility model can be flexibly adapted to different types of PCB, and the accuracy and precision of surface detection are improved.
Owner:GUANGDONG AOPUTE TECH CO LTD
Lubricating oil abrasive particle sensor performance detection test bed for simulating working conditions of aircraft engine
The utility model relates to the technical field of aero-engine lubricating oil system detection, in particular to a lubricating oil abrasive particle sensor performance detection test bed for simulating the working condition of an aircraft engine, which comprises a lubricating oil circulating system, an abrasive particle adding system, an environment control system and a measurement and control interaction system, the lubricating oil circulating system comprises a lubricating oil tank, a circulating pump, an energy accumulator, a lubricating oil pipeline, an oil filter and a radiator, the abrasive particle adding system comprises an abrasive particle oil tank and a metering pump, and the environment control system comprises an environment control fuming cupboard, an air filter valve, a pipeline heater and an oil gas recovery assembly. Through cooperative work of the lubricating oil circulating system, the abrasive particle adding system, the environment control system and the measurement and control interaction system, the test bench can truly simulate the lubricating oil environment in the aircraft engine, including key parameters of temperature, pressure, flow velocity and abrasive particle content, so that the accuracy and reliability of a test result are ensured.
Owner:BEIJING HANGFENG JINGCHENG EQUIP TECH CO LTD
Hollow shaft harmonic drive chain testing fixture
ActiveCN224398978UImprove test efficiencyImprove test qualityMachine gearing/transmission testingWork holdersReduction driveElectric machinery
The utility model provides a hollow shaft harmonic drive chain test frock relates to drive chain test frock technical field, include: test subassembly, it includes detection platform, input motor and drive chain collector, drive chain connecting flange, it sets up in detection platform, be used for installing hollow shaft harmonic reducer, and centering mechanism, it sets up in drive chain connecting flank, centering mechanism includes at least three centering clamp block, with the same number of slider of centering clamp block, gear ring and drive a the sliding screw rod of slider. The utility model has the advantages of: through the cooperation of centering mechanism design including at least three centering clamp block, slider, gear ring and screw rod, can realize the quick, accurate centering operation of hollow shaft harmonic reducer, make the mouth diameter for loading hollow shaft harmonic reducer can be adjusted, improve the applicability of frock, the setting of expansion shaft enhances the installation stability of reducer, prevents the loosening or deviation in the test process.
Owner:HUBEI KEFENG TRANSMISSION EQUIP CO LTD
High voltage test shield
ActiveCN224460390UFlexible opening and closingAchieve partial disassemblyLeft halfClassical mechanics
This utility model provides a shielding cover for high-voltage testing, including an upper cover and a lower cover located below the upper cover. The top of the lower cover is provided with a sliding groove, and the lower cover is divided into a left half and a right half. One end of the left half is provided with a hinge to connect to the right half. The upper cover is divided into multiple first shells and multiple second shells. One end of the first shell is provided with a first insert block and the other end is provided with a first insertion hole. One end of the second shell is provided with a second insert block that can connect to the first insertion hole, and the other end is provided with a second insertion hole that can connect to the first insert block. The bottom of both the first shell and the second shell is provided with a slider that matches the sliding groove, and the first shell and the second shell are connected in the sliding groove by the slider. By splitting the lower cover into a left half and a right half, and the upper cover into multiple first shells and second shells, the first shells and the second shells are slidably connected in the sliding groove by the slider, partial disassembly is achieved to meet different testing requirements.
Owner:JIANGDUJINGAOYAPEITAO EQUIP CO LTD
System and method for testing dynamic characteristics of silicon carbide device
PendingCN119125847AAvoid the influence of junction temperature changesflexible adjustmentElectronic circuit testingEfficient power electronics conversionCarbide siliconTest board
The invention discloses a dynamic characteristic testing system and method for a silicon carbide device, and belongs to the technical field of silicon carbide power device testing. The output end of a PC end is connected with the input end of a control panel, and the output end of the control panel is connected with the input end of a first driving board and the input end of a second driving board; the output end of the first drive board is connected with the control end of an auxiliary switch tube in the test board, the output end of the second drive board is connected with the control end of a tested silicon carbide chip in the test board, and the input end of the oscilloscope is connected with a grid electrode, a source electrode, a drain electrode and a fly-wheel diode of the tested silicon carbide chip in the test board. The output end of the oscilloscope is connected with the input end of the PC end, the direct-current power supply is connected with the control panel, the high-voltage power supply is connected with the test board, and the system and the method can be used for measuring the saturation region characteristics of the high-power silicon carbide chip.
Owner:XI AN JIAOTONG UNIV +1
Data synchronization test method, device, equipment, medium and program product
PendingCN119645873AImprove effectivenessimprove accuracyError detection/correctionData synchronizationData source
The invention provides a data synchronization test method which can be applied to the technical field of financial science and technology and big data. The data synchronization test method comprises the steps that in response to parameter information configured by a user, a test case corresponding to the parameter information is generated, the test case is configured to change first data in a source end database under the condition that the test case is executed by the source end database, and the parameter information is used for indicating at least one data source of the test case; the test case is executed in response to the source end database, at least one piece of first data is changed to generate third data, at least one piece of second data in the target end database is synchronously triggered to be changed to generate fourth data, and the first data and the second data are associated with each other; and determining a synchronization test result according to difference data between the third data and the fourth data. The invention further provides a data synchronization test device and equipment, a storage medium and a program product.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA
A power grid line monitoring device and a monitoring method
ActiveCN121541000BSmall coefficient of thermal expansionfirmly connectedFault location by conductor typesMeasurement instrument housingThermal dilatationMetal strips
The application discloses a kind of power grid line monitoring device and monitoring method, it is related to power grid line monitoring technical field, including mounting plate, the side of the mounting plate is fixedly connected with two main slide rails, the side of the main slide rail is slidably connected with main slide plate, the side of the main slide plate is fixedly connected with sliding plate, the other side of the mounting plate is slidably connected with first sliding plate and second sliding plate respectively.The power grid line monitoring device disclosed in the application has a low thermal expansion coefficient and is less affected by temperature during periods of rapid temperature change. The second extrusion frame at both ends of the second metal strip slides inside the extrusion groove on one side of the second slide. The second sliding plate and the two second extrusion frames cooperate to clamp the branch conductor and the main conductor. This maintains the connection between the mounting plate and the branch conductor and the main conductor, and ensures stable connection between the mounting plate and the branch conductor and the main conductor under conditions of rapid temperature change.
Owner:JIANGSU CHENPENG INFORMATION TECH CO LTD
Test detection platform for automobile suspension torsion bar
ActiveCN224216292Uwon't loosenWill not deformMachine part testingWork holdersSuspension (vehicle)Control theory
The utility model discloses a test detection platform for an automobile suspension torsion bar, which comprises a support frame, two sides of the upper end of the support frame are provided with clamping devices, one side of the upper end of each clamping device is provided with a moving frame, one side of the upper end of each moving frame is provided with a measuring device, the upper end of each clamping device clamps a torsion bar, and each clamping device comprises a fixed plate. A sliding groove is formed in the fixing plate, a pushing clamping head is arranged on the sliding groove, a pushing bolt is arranged on one side of the upper end of the pushing clamping head, a profiling clamping head is arranged on one side of the upper end of the fixing plate, and locking bolts are arranged at the four corners of the fixing plate. Accurate clamping can be carried out according to the shape of the torsion bar, and it is ensured that the torsion bar cannot be loosened or deformed in the testing process. The accurate clamping design ensures the stability of the torsion bar in the test, and greatly improves the accuracy and reliability of the detection result.
Owner:江苏凯骏机械有限公司
Thermoelectric coefficient tester capable of rapidly disassembling and assembling wafer sample
ActiveCN222337093Uprevent looseningavoid displacementMaterial heat developmentTest efficiencyTester device
The utility model relates to the field of testers, in particular to a thermoelectric coefficient tester capable of quickly disassembling and assembling a wafer sample. The technical problems that according to an existing tester, due to the fact that the thicknesses and the sizes of detected wafers are different, appropriate testers need to be selected when the different wafers are tested, cup joint parts are not convenient to rapidly replace for cup joint of the wafers, the operation time is prolonged, and the testing efficiency is reduced are solved. And meanwhile, the risk of misoperation can be increased due to frequent replacement of the tester or sleeving parts, so that the accuracy of a test result is influenced. According to the technical scheme, the thermoelectric coefficient tester for rapidly disassembling and assembling the wafer sample comprises a detector, an adjusting and fixing assembly, a supporting assembly, an anti-shaking assembly, a display screen and a temperature adjusting button; the screw is rotated through the rotating buckle, the connecting block is combined with the fixing column, the device is rapidly assembled and disassembled, meanwhile, the connecting mode of the screw can provide high fixing force, and it is ensured that the fixing column of the sample is kept stable in the testing process.
Owner:BEIJING HUA CE TESTING INSTR CO LTD
Automatic particle testing method and system for PECVD equipment transmission platform
PendingCN121955424AGet rid of cumbersome processesMeet different testing needsParticle suspension analysisTest efficiencyAnalysis data
The invention relates to the technical field of particle detection of semiconductor manufacturing equipment, in particular to an automatic particle testing method and system of a PECVD equipment transmission platform. The method comprises the following steps: constructing a reusable step unit with a unique ActionID and a standardized action library through action stepwise packaging, analyzing and generating a structured Sequence configuration file, establishing an independent test channel, and realizing parallel execution of test and production by adopting a hardware-level and software-level combined mutual exclusion lock mechanism and a production task priority strategy; a model configuration packet is loaded through a platform abstraction layer to shield hardware differences, particle concentration is collected in real time in combination with a sampling plan strongly bound with an action sequence, data is analyzed by using a quantification formula, overrun disposal is triggered, snapshots are stored during production preemption, follow-up running is performed when resources are idle, and a structured report is generated and pushed after circulation is completed. The test efficiency and the equipment utilization rate are greatly improved, the development cost and the pollution risk are reduced, and the method is suitable for stability detection and pre-detection scenes before production of PECVD (Plasma Enhanced Chemical Vapor Deposition) equipment.
Owner:ANHUI BANGHAO SEMICONDUCTOR TECHNOLOGY CO LTD
A device for detecting scratch resistance of a polypropylene material
This application relates to the field of testing equipment technology and discloses a device for testing the scratch resistance of polypropylene materials. The device includes a base, a moving mechanism and a moving block on the upper surface of the base. The moving mechanism can drive the moving block to move back and forth on the upper surface of the base. A lifting plate is connected to the upper surface of the moving block via a lifting mechanism. A sliding needle is fixedly connected to one side of the lower surface of the lifting plate, and the sliding needle is located outside the moving block. The moving mechanism includes a support fixedly installed on the base, and the support seat is configured with a U-shaped structure. A lead screw is rotatably connected inside the support seat. This invention uses the lifting mechanism to adjust the height of the sliding needle, which can accommodate workpieces of different heights. By moving the moving block back and forth through the moving mechanism, the sliding needle moves back and forth on the workpiece surface, thereby achieving the testing of the scratch resistance of polypropylene materials. The device has a compact structure, is flexible in operation, and can meet different testing needs.
Owner:ANHUI KANGLUWEI NEW MATERIAL TECHNOLOGY CO LTD
A concrete strength detection device
ActiveCN224399131UDetection height adjustableEven detectionMaterial strength using tensile/compressive forcesStructural engineeringMechanical engineering
The utility model relates to the field of concrete detection device, especially a kind of concrete strength detection device.It includes detection platform, lifting seat, detection component, seal cover one and seal cover two.The middle part of detection platform is provided with rotatable support, and both sides are provided with sample limiting frame;Lifting seat is located at the top of support, and outside is provided with half-enclosed seal cover one.Detection component is located at the bottom of lifting seat, and includes detection piece one and detection piece two;Seal cover two is half-enclosed in the side of sample limiting frame, and dust collecting piece is provided on seal cover two.The present application switches different stations by lifting seat rotation, so that the detection process is coherent and alternating, improves the efficiency of detection, through detection piece one and detection piece two cooperation, large detection range, detection position is flexible, can satisfy different detection needs.Seal cover one and seal cover two are connected to form the seal cover body structure that surrounds sample limiting frame and lifting seat, solve the pollution and security risk problem when detecting.
Owner:HUNAN CHUANGLI ENG TECH CO LTD
Method for realizing H265 video stream based on nginx, electronic equipment, server and storage medium
PendingCN119676483Areduce volumeImprove transmission efficiencySelective content distributionThird partyTranscoding
The invention provides a method for realizing an H265 video stream based on nginx, electronic equipment, a server and a storage medium, and the method comprises the following steps: S1, nginx installation: firstly installing nginx on the server, and carrying out installation configuration according to an official document; s2, third-party transcoding software is installed, specifically, the third-party transcoding software is installed on the nginx server, and after the third-party transcoding software is installed, the third-party transcoding software needs to be added into the environment variables; and S3, configuring nginx: in an nginx configuration file, adding transcoding configuration including transcoding input, transcoding output and transcoding format information. The method has the beneficial effects that the function of converting the local video into the H265 video stream is realized by utilizing the modular architecture of the nginx server and third-party transcoding software, so that the transmission efficiency and quality of the video are improved. In addition, the method has the advantages of flexible configuration, easy deployment and maintenance and the like.
Owner:UNICLOUD TECH CO LTD
A bluetooth conformance testing apparatus
ActiveCN224401550UThe distance is easy to adjustReduce the difficulty of debuggingTransmission monitoringTest efficiencyConformance testing
The utility model relates to a kind of bluetooth consistency testing device, comprising: mounting platform;Positioning seat, be located in the mounting platform, for fixed product to be tested;First coupling component, at least one side of the first direction of the positioning seat, the first coupling component is configured to be able to move along first direction;And second coupling component, at least one side of the second direction of the positioning seat, the second coupling component is configured to be able to move along second direction.The utility model is simple in structure, can reduce cost, simplify test operation, improve test efficiency.
Owner:FORYOU MULTIMEDIA ELECTRONICS
Go gauge testing fixture for car audio basin stand
ActiveCN222544636UMeet different testing needsincrease spacingInternal combustion piston enginesMechanical solid deformation measurementsStructural engineeringMechanical engineering
Owner:DANDONG HUA PLASTICS PRECISION TECH CO LTD
A testing device for rubber seal production
The utility model relates to test device technical field, and disclose a kind of testing device for rubber sealing element production, including test box, water pump and air heater.Test box top plate lower surface installs cylinder, its output end installs sealing plate, and there is test seat in test box inner chamber middle part, cylinder can drive sealing plate to lift, can flexibly adjust and test seat cooperation state, satisfy different extrusion test demand.Water pump is located on test box inner chamber baffle upper surface, water outlet is communicated with the inside of sealing plate through delivery pipe, cooperate the pressure sensor and data acquisition module on the upper surface of sealing plate, can real-time acquisition monitoring water pressure data, provide basis for quality detection.Air heater is located at test box air inlet, and air outlet is connected heating frame through gas pipe, can heat the air entering test box, provide different temperature environment, expand test range, and sealing plate cooperation can more accurately test rubber sealing element quality.
Owner:JIANGSU LUOFU NEW MATERIALS CO LTD
An earcup anti-drop test device
The utility model relates to ear cover anti -drop testing arrangement of anti -drop testing equipment field, including base, be equipped with pressure detection board, motor and limit rod on the base, motor drive screw rotation drives support plate to lift along the limit rod to adjust simulation ear height, satisfy different test demand. The inclined plate is installed on the support plate, and the hydraulic pole is equipped at both ends of the inclined plate, and the simulation ear is installed at the output end of the hydraulic pole. The laser range finder is formed by laser emission module and laser receiving module, and the simulation ear height is accurately measured, and the ear cover is dropped by cooperating with the contraction of the hydraulic pole, and the impact data are acquired. The pressure detection board side is equipped with elastic leather strip protection structure, and the ear cover is prevented from falling outside. The utility model solves the problem that the existing test device height adjustment is not flexible, data acquisition is complex and lacks protection, improves test accuracy and comprehensiveness, and reduces test cost.
Owner:INST OF URBAN SAFETY & ENVIRONMENTAL SCI BEIJING ACAD OF SCI & TECH
Assembled drop hammer impact test device and system
ActiveCN222188759Ueasy to moveeasy to getNuclear energy generationMaterial strength using single impulsive forceSupporting systemSteel frame
The utility model relates to the technical field of small-sized drop hammer impact test devices, in particular to a split mounting type drop hammer impact test device and a split mounting type drop hammer impact test system. The test device comprises a supporting system, and a lifting system is arranged in the supporting system; the releasing system is connected with the lifting system, the releasing system comprises a releasing grabbing clamp, a fixed steel frame and a three-pulley device, the fixed steel frame is arranged in the supporting system, the three-pulley device is arranged on the fixed steel frame, and the releasing grabbing clamp is connected with the fixed steel frame; and the hammer head and counterweight system is arranged below the release system and located in the supporting system, and the hammer head and counterweight system comprises a hammer head, a piezoelectric sensor, a counterweight steel frame and a connector. According to test requirements, hammer heads with different heights and different diameters and weights can be assembled and replaced, multiple times of impact can be completed at the same time, the working efficiency is high, and the test requirements under multiple scenes can be met.
Owner:HARBIN INST OF TECH
Motor load control implementation system
ActiveCN222515259UMeet different testing needsReduce testing costsAC motor controlBase element modificationsFrequency changerElectric machine
The embodiment of the utility model discloses a motor load control realization system, and relates to the technical field of motors. The motor load control implementation system comprises an input interface, a winding and a switching unit, the winding comprises a first coil and a second coil, the input interface is connected with the first coil, the switching unit is connected with the input interface, the first coil and the second coil, and the switching unit is connected with the first coil and the second coil. And the switching unit can switch the wiring relation among the input interface, the first coil and the second coil so as to adjust the motor load control to realize the load control of the system. According to the technical scheme of the utility model, the switching unit can switch the wiring relation among the input interface, the first coil and the second coil, adjust the load of the motor load control implementation system, and meet different test requirements of the frequency converter, so that a plurality of motors do not need to be equipped, and the test efficiency is improved. And the test cost of the frequency converter is greatly reduced.
Owner:SUZHOU WEICHUANG ELECTRICAL EQUIP TECH
An access method, device, and apparatus for an unlicensed channel, and a storage medium
The present disclosure provides a non-licensed channel access method, device, equipment and storage medium, the method comprises: determining the detection mode of listen before talk (LBT) detection of the non-licensed channel, the detection mode comprises a first mode or a second mode; wherein the first mode comprises that the sender equipment performs LBT detection to obtain a first detection result; the second mode comprises that the sender equipment performs LBT detection to obtain a first detection result, and obtains a second detection result of LBT detection of the receiver equipment; and performing detection on the non-licensed channel according to the determined detection mode. In the present disclosure, the sender equipment can use different ways to detect the non-licensed channel, that is, it can also use the first mode to detect the non-licensed channel, or use the second mode to detect the non-licensed channel. When the sender equipment uses the first mode, it can save signaling overhead, and when it uses the second mode, it can improve the detection accuracy of the interference level. The sender equipment switches between the two detection modes, which can use different detection modes in different application scenarios to meet different detection requirements.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
A device for detecting the bending degree of tinned copper wire
ActiveCN118896857BDetect breakageMeet different testing needsMaterial strength using steady bending forcesTinningCopper wire
The invention relates to the technical field of copper wire bending degree detection, and discloses a tinned copper wire bending degree detection device, comprising a detection device, wherein a plurality of detection stations are evenly distributed on the detection device, a feeding assembly is installed at the rear of the detection device, and the feeding assembly is used to convey the tinned copper wire into the detection station; the surface of the detection device is also respectively provided with a detection assembly and a bending assembly, and the tinned copper wire bending degree detection device is provided with a plurality of detection stations, the feeding assembly is used to convey the tinned copper wire, and the bending assembly is used to simultaneously drive a plurality of tinned copper wires to bend with different amplitudes, and a control experiment of different bending degrees can be carried out on the tinned copper wire to meet different detection requirements and improve detection efficiency, the detection assembly can quickly detect the breakage of the tinned copper wire, and at the same time stop counting and warn through an LED warning light, so as to facilitate timely discovery of problems.
Owner:DONGGUAN TOYA ELECTRONIC TECH CO LTD
Crimping mechanism and testing device
ActiveCN224203268UEasy replacementMeet different testing needsElectrical testingMeasurement instrument housingMechanical engineeringTest set
The utility model relates to a crimping mechanism and a testing device, the crimping mechanism comprises a rack, a pressure head module and at least one counterweight module, the rack is provided with a carrier, and the carrier is provided with a bearing position for bearing a to-be-tested product; the pressure head module is movably arranged on the rack and directly faces the bearing position, and the pressure head module can move in the direction close to or away from the bearing position; the counterweight module is detachably arranged on the pressure head module, and the counterweight module is located on the side, away from the carrier, of the pressure head module. According to the crimping mechanism provided by the invention, different numbers of counterweight modules are configured on the pressure head module, so that the gravity center position of the pressure head module is adjusted, good contact between the pressure head module and the to-be-tested product is ensured, and the reliability of an electrical crimping test result of the to-be-tested product is improved; the test pressure applied to the surface of the to-be-tested product by the pressure head module can be controlled so as to meet different test requirements of the to-be-tested product.
Owner:SUZHOU HUAXING YUANCHUANG TECH CO LTD
High and low temperature detection box for communication equipment
ActiveCN222174105Uquality improvementHigh precisionHeating or cooling apparatusEnclosures/chambersElectric machineCommunication device
The utility model relates to the technical field of equipment high and low temperature detection, in particular to a communication equipment high and low temperature detection box which comprises a detection box shell, a sealing door is rotatably arranged at the front end of the detection box shell, a detection box is arranged in the detection box shell and comprises a detection bin and an adjusting bin, and a rotating motor is arranged at the lower end of the detection bin. The output end of the rotating motor is fixedly connected with a rotating rod, the upper end of the rotating rod penetrates through the bottom wall of the detection bin, extends into the detection bin and is fixedly provided with a rotating disc, multiple sets of ventilation holes are formed in the rotating disc in a penetrating mode, and a reflecting layer is arranged on the upper side of the bottom wall of the detection bin and is arranged below the rotating disc. According to the utility model, the rotating motor drives the rotating disc to rotate, so that the communication equipment to be detected is heated or cooled in all directions by high-temperature or low-temperature gas, and the temperature of each area of the communication equipment to be detected is uniformly changed, thereby improving the test quality and precision and obtaining accurate test data.
Owner:JIAXING HUAWEI PAPER EQUIP MFG CO LTD
Verticality testing device for masonry construction
ActiveCN224284055Uavoid shakingsame distanceStands/trestlesBuilding material handlingInterference resistanceArchitectural engineering
This utility model relates to a verticality detection device for masonry construction, comprising a horizontally positioned base with rollers rotatably connected to the four corners of the base's bottom. Symmetrically positioned vertical support plates are arranged on the center of the left and right sides of the base, with support feet threaded to the bottom of each support plate. Positioning rods are rotatably connected to both ends of the side of the base facing the masonry. Each support plate has a mounting plate on its masonry-facing side, with several limiting holes evenly spaced along its length. A detection component is installed between the two mounting plates through these limiting holes. This utility model offers advantages such as strong anti-interference capability, simple and efficient operation, high detection accuracy, and wide adaptability. It also enables synchronous detection along with the progress of masonry construction, allowing for timely detection and correction of deviations.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD