5209 results about "Testing equipment" patented technology

The invention relates to the technical field of power electronic equipment testing, and discloses a special intelligent testing device and method for a power UPS, and the device comprises a multi-source power supply system which comprises a three-phase program-controlled variable-frequency power supply, a single-phase program-controlled variable-frequency power supply and a DC program-controlled power supply, the output voltage of the three-phase program-controlled variable-frequency power supply is 0-480V and is adjustable, and the output voltage of the single-phase program-controlled variable-frequency power supply is 0-480V; the output voltage of the single-phase programmable variable-frequency power supply is 0-280V and the frequency of the single-phase programmable variable-frequency power supply is 45-64Hz and adjustable; the output voltage of the direct-current programmable power supply is 50-1000V and adjustable; an electronic load system; a signal acquisition system; an embedded control system; and an upper computer software system. A three-phase program-controlled variable-frequency power supply, a single-phase program-controlled variable-frequency power supply and a direct-current program-controlled power supply are integrated to form a multi-source power supply system, a resistive and rectifying dual-mode electronic load is combined, millisecond-level synchronous switching of a voltage level and a load state is realized through an embedded control system, a closed-loop test capability of multi-dimensional performance of the power UPS is formed, and the test efficiency is improved.

The invention discloses an SSD (Solid State Disk) testing method, which relates to the technical field of SSDs, and comprises the following steps: an SSD is connected to testing equipment, and the testing equipment comprises a controller, a data generation module, a data transmission module, a data storage module and a performance monitoring module; specific types of test data are generated through a data generation module, the specific types of test data comprise sequential read-write data, random read-write data and mixed read-write data, the file size of the sequential read-write data is within the range of 1GB-10GB, the operation block size of the random read-write data is within the range of 4KB-64KB, and the file size of the mixed read-write data is within the range of 4KB-64KB. The ratio of sequential read-write to random read-write in the mixed read-write data ranges from 1: 1 to 3: 1, the test data further comprises multiple file formats including but not limited to text files, image files, video files and audio files, and the data size of each file format accounts for 10%-30% of the total test data size; the SSD performance can be accurately evaluated, and the performance evaluation standard is perfected.

The invention relates to the technical field of testing, in particular to electric connector joint testing equipment which comprises a testing table and a digital display control panel, a mounting cavity and a testing cavity are formed in the testing table, and two clamping structures are arranged in the testing cavity. A second electric telescopic rod capable of driving one of the clamping structures to move in the test cavity is arranged in the test table, and an eccentric connecting rod driving mechanism capable of driving the other clamping structure to move in the test cavity in a reciprocating manner is arranged in the mounting cavity; the eccentric connecting rod driving mechanism can simulate the plugging action of an electric connector joint through the transmission of a rotating motor, a speed reducer, a turntable, a connecting rod and a driving shaft; the pressure sensor monitors the plugging force in real time, the vibration motor simulates the vibration working condition, the performance of the electric connector joint in actual use can be tested more comprehensively, the deviation adjusting structure can adjust the position of the driving head end of the driving shaft, tests in different deviation states are simulated, and the accuracy and authenticity of the tests are further improved.

The invention belongs to the technical field of network test equipment, and discloses network response test equipment and a test method thereof, and is characterized in that the network response test equipment comprises the following modules: a distributed multi-mode dynamic sensing probe used for capturing service flow characteristics and microsecond-level performance indexes of a network link in real time; the extensible data middle table is in data connection with the probe and is used for establishing a unified spatio-temporal index for cross-level performance data from a physical layer to an application layer; and the causal atlas analysis engine based on artificial intelligence is used for positioning a network fault root cause according to the cross-level performance data. According to the invention, an evaluation standard is automatically calibrated according to historical business load characteristics through an extensible data-in-station dynamic baseline threshold mechanism, so that a test environment completely fits complex scenes such as video burst frame transmission, database synchronization ACK, high-frequency transaction chain and the like, the simulation distortion of a traditional tool to business traffic burst and multi-protocol mixed characteristics is eliminated, and the test efficiency is improved. And the test result is ensured to accurately map the long-term stability requirement.

The invention provides a vehicle-mounted multi-communication protocol test mainboard, and the mainboard comprises a CANFD communication module which is used for transmitting a test frame to a to-be-tested device under the condition that a CANFD test instruction is received; receiving a response frame corresponding to the test frame sent by the to-be-tested device; the vehicle-mounted Ethernet communication module is used for converting the standard Ethernet test signal into a vehicle-mounted Ethernet test signal and sending the vehicle-mounted Ethernet test signal to the equipment to be tested; receiving a vehicle-mounted Ethernet response signal which is sent by the equipment to be tested and corresponds to the vehicle-mounted Ethernet test signal, and converting the vehicle-mounted Ethernet response signal into a standard Ethernet response signal; the processor module is used for generating a CANFD test instruction and a standard Ethernet test signal; and generating an equipment test report of the to-be-tested equipment according to the response frame and the standard Ethernet response signal. According to the invention, the CANFD communication module and the vehicle-mounted Ethernet communication module are integrated, and the processor module is matched to carry out coordination control, so that automatic joint testing of different communication protocols is realized.

The invention is suitable for the technical field of signal testing, and provides a high-speed serial signal testing method and system and semiconductor testing equipment, and the high-speed serial signal testing method comprises the steps: carrying out the time sequence adjustment of a testing signal through a phase-adjustable clock reference, actively introducing controllable jitter, and carrying out the jitter tolerance testing; a target test signal is sent to a receiving end through an emission driver, after a receiving signal is obtained, a target sampling time sequence is extracted based on clock recovery, a programmable receiving delay chain is controlled to carry out time scanning, and receiving data at multiple sampling moments are obtained; comparing each sampling data with the test signal, counting the bit error rate under each delay setting, and completing signal quality evaluation; the scheme has the advantages of modularization, high precision, low cost and the like, and the comprehensive test efficiency and reliability of the semiconductor test equipment on high-speed serial signals are improved.

The invention provides a plywood weather resistance accelerated aging test device and test method, and belongs to the technical field of aging test equipment. The testing device comprises a supporting table and a testing box fixedly installed at the top of the supporting table, a rotary supporting mechanism is arranged in the testing box and used for positioning the plywood and adjusting the rotation angle of the plywood in the horizontal plane, and two waxing mechanisms are further arranged in the testing box and used for waxing the plywood in the horizontal plane. The two waxing mechanisms are used for conducting edge sealing treatment on the plywood. The testing method comprises the following steps: T2, placing the plywood on a positioning carrier plate on the rotary supporting mechanism to complete positioning; and T3, the plywood is fixed through a pressing mechanism. The plywood weatherability accelerated aging test device provided by the invention has the advantages that the plywood is automatically subjected to edge sealing and waxing, the human input can be reduced, and the reliability and integrity of wax layer coating can be improved.

The invention provides an automatic chip aging test method and system and a medium, and relates to the technical field of semiconductors, and the method comprises the steps: after a type identifier of a to-be-tested chip is identified, calling an aging test parameter group corresponding to the type identifier, and carrying out the aging test of the to-be-tested chip through the aging test parameter group, after the key electrical parameters of the to-be-tested chip in the aging test process are collected, comparison is carried out to obtain a comparison result, when the comparison result exceeds a preset threshold range, abnormal recording operation is automatically carried out, and the current aging test link of the to-be-tested chip is terminated. By automatically recording abnormal information and terminating the aging process, full-automatic closed-loop processing from data acquisition and analysis to decision and control is realized, the test efficiency is improved, test equipment and samples are effectively protected, resource waste and misjudgment risks are reduced, and the problems of low aging trend identification precision and slow response speed are solved.

The invention relates to the technical field of detection equipment, and particularly discloses prestressed steel strand performance detection equipment which comprises a machine body and an adjustable test bed installed at the top of the machine body through an inclination angle adjusting unit, and the top of the adjustable test bed is further provided with a continuous impact unit, a guide unit and two multistage clamping units which are in bilateral symmetry. The multi-stage clamping and fixing unit comprises a first-stage bending and clamping and fixing assembly, a bending control assembly and a second-stage circumferential clamping and fixing assembly. According to the invention, tensile strength detection and fatigue strength performance detection can be carried out when the steel strand is in a horizontal state, and tensile strength detection and fatigue strength performance detection can also be carried out when the steel strand is in an inclined state; according to the device, the first-stage bending and clamping assembly and the second-stage circumferential clamping assembly are matched with each other to carry out multi-stage clamping and fixing on the steel strand, so that multi-point and multi-direction clamping is realized, it is ensured that the steel strand is subjected to multi-direction uniform clamping force, and the steel strand is prevented from sliding in the tensile strength detection process.

The invention discloses automobile radiator brazing quality detection equipment, which belongs to the technical field of automobile radiator brazing detection and comprises a detection table, a welding test mechanism is arranged on the detection table and used for simulating the detection environment of an automobile radiator, and an overall detection unit is further arranged on the detection table. The method is used for detecting the welding integrity of the heat dissipation belt and the coverage rate of a brazing surface. According to the invention, the detection table carrying the infrared correlation detector is matched with the detection rod, so that whether the infrared receiving end can normally receive an infrared signal transmitted by the infrared transmitting end when the heat dissipation belt is vertically lifted after brazing can be known, and the infrared signal can be used as a detection standard of the brazing quality of the heat dissipation belt, so that whether the brazing position is not firm in welding or not can be known. According to the method, the situation that the brazing part is broken is avoided, the efficient detection effect is achieved, the rough unqualified welding part of the heat dissipation belt can be known according to the setting part of the infrared receiving end which cannot receive the infrared signal, and the troubleshooting time of quality inspection personnel is shortened.

The invention belongs to the technical field of information, and particularly relates to an industrial semiconductor packaging test system based on multi-dimensional intelligent decision making. By deploying multiple types of sensors and detection technologies at the tail end of the industrial robot and packaging test equipment, force touch and vision fusion and multi-modal data fusion technologies are applied, and flexible control, deep learning, big data analysis and reinforcement learning algorithms are combined. And flexible high-precision carrying of chips, rapid detection of packaging quality, deep processing of test data and multi-robot collaborative scheduling are realized. Meanwhile, the packaging test process is optimized by means of digital twinning and virtual simulation. According to the technology, the existing technical problems are effectively solved, and the precision, efficiency and quality of semiconductor packaging testing are remarkably improved.

The invention relates to the technical field of resistance test equipment, in particular to a portable loop resistance tester, which comprises a test and acquisition module used for acquiring current and voltage signal data of a tested product, analyzing a loop contact state and calculating a loop resistance value and impedance characteristic parameters; the control and output module is used for performing high-precision constant-current output and self-adaptive adjustment; the interaction and printing module is used for receiving a user operation instruction and displaying current and voltage signal data and a resistance value of a tested product, and meanwhile, printing is performed through a built-in thermal printer according to the user instruction; the power supply module is used for stably supplying power to equipment; and the intelligent diagnosis module is in butt joint with the cloud case library, automatically diagnoses related defect types influencing the loop resistance test, and generates a health assessment report. Therefore, the problems of small current output, insufficient sampling precision, single operation mode and the like in the prior art are solved.

A testing device and a testing method of a composite blade tilt rotor power assembly are related. The testing method includes the following steps: installing a tilt rotor flight power assembly on a flange platform of a testing device through a connector; confirming normal operation of an external power supply, the tilt rotor flight power assembly and a data acquisition computer; starting the tilt rotor flight power assembly, and controlling a tilt motor to rotate a cantilever shaft according to a tilt angle instruction; and recording the energy consumption and the tensile forces and torques in x, y and z directions of the tilt rotor flight power assembly by the data acquisition computer in real time. The testing method has the beneficial effects that the processes of starting, starting and stopping, hovering and descending can be simulated for the composite blade tilt rotor power assembly which is a core driving component of a vertical take-off and landing type electric driving hovercar, and the flight performance of the hovercar can be tested. The testing method can also be used for cold rotation test, take-off strategy verification test, hover strategy verification test, durability test and acceleration performance test of the composite blade tilt rotor power assembly.

The invention relates to the technical field of corrugated pipe testing equipment, and particularly discloses corrugated pipe angle deviation testing equipment which comprises a machine body, a supporting seat and a driving device. Two sets of swing assemblies are arranged on the supporting seat, each swing assembly comprises a swing frame rotationally connected with the supporting seat and a first flange seat fixed to the swing frame in an adjustable mode, and the two swing frames are in transmission connection through a synchronizing mechanism and are jointly driven by a driving device; two position-adjustable second flange seats are mounted on the machine body and are distributed on two sides of the two first flange seats, and central shafts of the two second flange seats and the two first flange seats are coplanar. According to the corrugated pipe angle deviation testing equipment, the actual working condition of the corrugated pipe can be simulated, and the accuracy of test data is improved; based on adjustable design, the applicability is wide; the two corrugated pipes are tested at the same time, the efficiency is high, the fluctuation of the load borne by the driving device can be reduced, the elastic potential energy of the corrugated pipes can be recycled, the operation stability is high, the energy consumption is low, and the testing cost is remarkably saved.

The invention is suitable for the technical field of waterproof performance testing, and particularly relates to an energy storage exhaust valve waterproof testing method and full-automatic water spraying testing equipment, and the method comprises the steps: obtaining the pressure information in a target time period; obtaining the number of change events; determining the number of pressure cycles; the failure ratio of the leakage event number to the pressure cycle number is calculated; according to the pressure information and the failure rate, whether the waterproof performance of the tested energy storage exhaust valve reaches the standard or not is judged. According to the waterproof test method for the energy storage exhaust valve provided by the invention, the problem that the test result is inaccurate due to the fact that the waterproof performance of the energy storage exhaust valve is tested only under the fixed pressure and the dynamic pressure change of the energy storage exhaust valve in the actual work cannot be truly reflected in the traditional waterproof test process of the energy storage exhaust valve is always static can be solved.

The invention belongs to the technical field of echelon recycling of retired lead-acid storage batteries, and particularly relates to a lead-acid storage battery capacity consistency screening method based on electrochemical impedance spectroscopy characteristic parameters. The method comprises the following steps: by taking 104 power grid decommissioned GFM series valve-regulated sealed lead-acid storage batteries as objects, firstly, measuring an electrochemical impedance spectrum in a range of 0.01 Hz-1 kHz by utilizing a Coster CS2350H electrochemical workstation, acquiring data by injecting a tiny voltage signal, and calculating impedance through Fourier transform; and then the actual residual capacity is measured through a specific charging and discharging process by using charging and discharging testing equipment. According to a measured impedance spectrum curve, after effectiveness is detected through KK transformation, part of frequency band data is removed, LR (CR) (QR) is selected to establish an equivalent circuit model, impedance spectrum fitting is carried out to determine capacity consistency screening characteristic parameters, finally 24 single batteries with good capacity consistency are screened out from 104 batteries to be recombined and reused, the difference between the maximum capacity and the minimum capacity of the selected batteries is only 48Ah, and the maximum capacity and the minimum capacity of the selected batteries are only 48Ah. And an effective way is provided for improving the screening efficiency and resource reutilization of the retired lead-acid storage battery.

This invention belongs to the technical field of photovoltaic panel testing equipment, specifically a photovoltaic panel impact resistance testing device, including multiple testing frames. Each testing frame has an internal flipping mechanism and a displacement mechanism. A top cover is provided on the top of each testing frame, and an operating box is installed between the outer walls of the testing frames. A puck storage box is installed on the outer wall of the top cover, and a limiting component is provided on the inner wall of the testing frame. By changing the rotational speed of the longitudinal gear, the movement trajectory of the puck launcher is altered. The teeth of the second gear mesh with those of the first gear, and their circumferences differ significantly. Therefore, the rotational speeds of the first and second gears are different. When the first gear rotates one revolution, the second gear has already rotated many revolutions. When the puck launcher is controlled to move, the lateral and longitudinal movement speeds differ, and its movement trajectory changes accordingly, thus increasing the randomness of the puck launch position.

The present invention discloses a quality inspection device for plastic barrel production, which belongs to the technical field of plastic barrel production equipment. The device comprises a bottom plate, on which an extrusion component, an auxiliary component and two conveying components are arranged. By arranging the extrusion component, the position of the plastic barrel on the supporting circular plate can be quickly adjusted and fixed, thereby greatly improving the clamping speed of the plastic barrel. Moreover, since the moving range of the extrusion rod is large, the inspection requirements of plastic barrels of various sizes can be met. By arranging the extrusion component and the auxiliary component, the air tightness of the plastic barrel can be inspected by an air pump, and the strength of the plastic barrel can be inspected by pressing the circular plate and the extrusion rod. By the mutual cooperation of the extrusion component, the auxiliary component and the conveying component, the quality of the plastic barrel can be quickly inspected, and the plastic barrels after the inspection can be classified and conveyed.

The present invention relates to the technical field of testing equipment, and specifically discloses a prestressed steel strand performance testing device, comprising a machine body and an adjustable test bench mounted on the top of the machine body via an inclination adjustment unit. The top of the adjustable test bench is also provided with a continuous impact unit, a guide unit, and two left-right symmetrical multi-stage clamping units, wherein the multi-stage clamping units include a primary bending clamping assembly, a bending control assembly, and a secondary circumferential clamping assembly. The present invention can perform tensile strength testing and fatigue strength performance testing on the steel strand in a horizontal state, and can also perform tensile strength testing and fatigue strength performance testing on the steel strand in an inclined state; the present invention performs multi-stage clamping and fixing of the steel strand by cooperating with the primary bending clamping assembly and the secondary circumferential clamping assembly, thereby achieving multi-point and multi-directional clamping, ensuring that the steel strand is subjected to uniform clamping force in multiple directions, and preventing the steel strand from sliding during the tensile strength test.

The invention relates to a conveying device and detection equipment, the conveying device comprises a conveying assembly, a flow guide frame and a detection module, the conveying assembly comprises a first material conveying part, and the first material conveying part is used for conveying a material storage cup; the flow guide frame is erected on the first material conveying component and comprises a first flow guide plate and a second flow guide plate, the first flow guide plate and the second flow guide plate are located above the first material conveying component in a suspended mode, the first flow guide plate and the second flow guide plate are clamped in a spaced mode to form a flow guide channel, and the flow guide channel extends in the material conveying direction of the first material conveying component. A limiting edge strip of the material storage cup penetrates through the flow guide channel; and a detection medium of the detection module is injected into the material storage cup through a gap between the adjacent limiting edge strips. The flow guide channel can achieve the purpose of limiting circumferential rotation of the material storage cup by limiting the circumferential position of the limiting edge strip. In this way, the storage cup can be conveyed in the expected posture, and the stacking amount of the workpieces in the storage cup can be conveniently detected. The detection equipment comprises the conveying device, and the stacking amount of the workpieces in the material storage cup can be conveniently detected.

The invention discloses a test method, electronic equipment and a computer readable storage medium, and the method comprises the steps: responding to the successful loading of a software upgrade package, and displaying test connection information; a test application program package is arranged in the software upgrade package, and the test application program package is used for starting a test application program; establishing a wireless communication connection with the test device based on the test connection information; and in response to the establishment of the wireless communication connection, obtaining a test application package from the software upgrade package, and starting a test application for testing based on the test application package. By adopting the application, the test application package can be built in the software upgrade package, and the test application package can be automatically loaded by loading the upgrade software package. Meanwhile, wireless communication connection can be established between the electronic equipment and the test equipment. Therefore, test automation is realized, and the test efficiency is improved.

The utility model discloses a robot feeding and discharging module which comprises a base, a six-axis robot is arranged on the base, and a clamp is arranged at the tail end of the six-axis robot. The clamp comprises a base, a six-dimensional force sensor is arranged at the top of the base, and a visual positioning sensor, a vacuum suction mechanism and two grabbing mechanisms are arranged on the four side faces of the base correspondingly. According to the utility model, the six-axis robot drives the clamp, after the visual positioning sensor on the clamp positions the material, the vacuum suction mechanism sucks the product, the six-axis robot moves the product onto the test equipment, and after the test is finished, the grabbing mechanism is switched to take down the product and move the product to the next process. According to the utility model, the procedures of positioning, sucking and pulling down the product are integrated on one clamp, and the large movement range of the six-axis robot is matched, so that the automation of feeding and discharging of the product can be realized, the labor cost is reduced, and the detection efficiency is improved.

The invention discloses a result storage device and method of ATE test equipment. The storage device comprises a test result generation module, a mode selection module, a parallel storage management module and a DDR storage array. The test result generation module is used for sampling and judging the multiple channels and generating test results of the multiple DUTs. And the mode selection module stores the test result of the DUT in the DDR storage array through a coverage mode or a holding mode. And the parallel storage management module configures a parallel storage mode according to the test results of the DUT in different application scenarios, and performs multi-cycle parallel storage on the test results of the DUT. And the DDR storage array is used for storing the test result of the DUT. By arranging the mode selection module and the parallel storage management module, efficient storage and flexible management of test results are achieved, and the overall performance of the ATE test equipment is remarkably improved.

The invention discloses a security camera air-tight seal test device and method, and belongs to the field of security camera air-tight seal test. The invention relates to security camera air-tight seal test equipment, which comprises a test board and a shell, and further comprises a controller fixedly connected to the top of the test board, the cylinder is fixedly connected to the top of the test board, the output end of the cylinder is fixedly connected with a sealing plate, the top of the sealing plate is provided with an air pump, and the top of the air pump is fixedly connected with an air inlet pipe; the driving motor is mounted at the bottom of the test board through a motor seat. The outer surface of the shell can be cleaned, the phenomena that dust and other impurities exist on the outer surface of the shell, the dust and other impurities are attached to leakage points of the shell, and false sealing of the shell is caused are prevented, so that the testing quality and accuracy are guaranteed, marking of the leakage points of the shell is achieved, and the testing efficiency is improved. And personnel can directly observe the leakage part of the shell, so that the burden of searching for a leakage point by the personnel is reduced, and the personnel can conveniently maintain the shell.

The invention provides intelligent detection equipment and a detection method, and relates to the field of test equipment. The intelligent detection equipment comprises a control chip, and a transmission machine, a lifting assembly and two mechanical arm assemblies which are connected with the control chip; the conveyor is provided with a conveying table top used for conveying a circuit board, the lifting assembly is located above the conveying table top, can ascend and descend in the vertical direction and is provided with a visual identification instrument, and the visual identification instrument is arranged towards the conveying table top; the two mechanical arm assemblies are symmetrically arranged on the two sides of the conveyor, and the two mechanical arm assemblies are each provided with a detection probe. The two detection probes can move back and forth in the conveying direction and the vertical direction of the conveying table top, one detection probe is communicated with the positive electrode of external equipment, and the other detection probe is communicated with the negative electrode of the external equipment. The technical problems of low efficiency and poor detection quality of manual circuit board detection in the prior art are solved.

The utility model provides a test device for a ceiling clothes airing machine. The test device comprises a rack; the left test pull rope is used as a test pull rope for providing vertical upward pulling force for the first airing rod steel wire rope; the right test pull rope is used as a test pull rope for providing vertical upward pulling force for the second airing rod steel wire rope; the two ends of the cross rod are detachably connected with the wire outlet tail end of the first airing rod steel wire rope and the wire outlet tail end of the second airing rod steel wire rope respectively during testing; the two end parts of the cross rod are fixedly connected with one end part of the left test pull rope and one end part of the right test pull rope respectively; the pre-mounting piece device is used for providing vertically upward pulling force for the cross rod through the gravity of the pre-mounting piece device; the weighted mounting piece device is used for carrying out load pressing on the pre-mounting piece device during testing; and the lifting assembly is used for lifting and lifting the weight-increasing mounting piece device. According to the utility model, the steel wire rope of the suspended ceiling clothes airing machine can be accurately and efficiently detected in a load-bearing state in a manpower-saving manner.

The utility model provides a device for detecting the moisture content of crude oil, and belongs to the technical field of in-well liquid testing equipment. The crude oil moisture content detection device comprises a measuring tube, the measuring tube is provided with a measuring cavity and a penetrating channel, the penetrating channel is provided with a sealing structure matched with a measuring rod in a sealing mode, the penetrating channel is further provided with a valve, and the valve comprises a valve body, a valve element arranged in the valve body and a control mechanism for controlling the valve element to act. The valve element or the valve body is provided with a through hole for the probe to penetrate through, the valve is opened in the action stroke of the valve element so that the probe can penetrate through the through hole and stretch into the measuring cavity, and the valve is closed in the action stroke of the valve element so that the water content measuring instrument can be detachable after the probe retreats from the measuring cavity and the through hole. After the water content measuring instrument is adopted, when detection is not needed, the water content measuring instrument can be detached and does not need to be fixedly connected to the measuring pipe all the time, so that the configuration cost can be reduced, and meanwhile, overhaul and maintenance can be conveniently realized under the condition that the production efficiency is not influenced.