687 results about "Test station" patented technology

The invention provides an automatic leak detection method and system for a dynamic bending durability test of a metal corrugated pipe, and relates to the technical field of metal corrugated pipe performance tests.The method comprises the steps that a to-be-tested metal corrugated pipe is installed on a test station, and test working condition parameters are set through a PLC; the test working condition parameters comprise a bending motion mode, a load spectrum, an internal pressure type, a pressure value, a temperature condition and a test frequency; according to the bending motion mode and the load spectrum, a multi-degree-of-freedom bending motion mechanism is driven to apply a dynamic bending load to the metal corrugated pipe; and when the dynamic bending load is applied, internal pressure is applied to the interior of the metal corrugated pipe according to the internal pressure type and the pressure value, and a temperature environment is synchronously applied, so that a multi-factor coupling load is formed. According to the invention, on the basis of working condition setting, through multi-source data acquisition, correction and fusion determination, an automatic closed loop of test execution, abnormity alarm, helium detection quantification and report generation is realized.

The utility model discloses a DBC automatic test workstation, which comprises a test mechanism, a movable truss and a machine table, the test mechanism comprises a first test station, a second test station and a third test station, and the first test station, the second test station and the third test station are all installed on the machine table. The two ends of the movable truss are installed on the two sides of the machine table, the moving path of the movable truss is arranged above the first testing station, the second testing station and the third testing station, the movable truss is used for testing the bonded DBC module, the equipment can integrate various testing machines, and the testing efficiency is improved. Detection items such as safety testing, static testing and dynamic testing are automatically completed according to program setting, different testing processes can be achieved by calling testing programs, meanwhile, the equipment has the function of recording and storing testing data, the testing items are flexibly configured, and the testing efficiency is remarkably improved.

The invention provides a liquid oxygen methane engine test bed composed of a multifunctional test system. The test bed comprises a gas path system, a liquid path system and a test station. Wherein the gas path system and the liquid path system are connected through a pipeline for gas supply, and the liquid path system is connected with the test run station and used for providing liquid fuel needed by testing for the test run station. The liquid path system comprises a low-pressure liquid path module and a high-pressure liquid path module. And the low-pressure liquid path module and the high-pressure liquid path module are respectively connected with a test run station. The test bed is composed of a set of gas path system, two sets of liquid path systems and three test stations. The two sets of liquid path systems jointly adopt one set of gas path system for gas supply, so that medium conveying can be carried out on the three test run stations according to requirements, the test run platform can meet the gas distribution requirements of engines of different models, meanwhile, the resource sharing of test equipment is improved, the total cost of equipment construction and maintenance is greatly reduced, and the working efficiency is improved. And the engine testing efficiency is improved.

The invention relates to a 10-gigabit photoelectric composite cable for communication. The 10-gigabit photoelectric composite cable comprises a first coating station, a second coating station and a performance testing station which are sequentially arranged in the cable transmission direction. The first coating station is provided with a first protection mechanism used for installing the armor on the inner layer of the composite cable. The second coating station is provided with a second protection mechanism used for installing and fixing water absorption particles. The performance test station is provided with a detection mechanism used for cooling the cable and detecting the integrity of the outer layer of the composite cable. By arranging the first protection mechanism and the second protection mechanism, the technical problems that the cable armor layer is prone to dislocation and the damaged position cannot be quickly found after the cable is damaged are solved.

The invention relates to the technical field of electronic lock manufacturing, in particular to electronic lock full-automatic detection equipment and a detection method thereof. Comprising a feeding module, a detection carrier, a code scanning mechanism, an aging test station, an on-load test station, a CCD detection station, an output force detection station, an airtightness detection station, a code printing module, a discharging module, two four-axis robots and an electric signal detection mechanism. The two four-axis robots transfer electronic locks to be detected among the feeding module, the discharging module and the detection carriers in all the stations. The electric signal detection mechanism stretches into the electronic lock on the corresponding detection carrier to carry out electric driving and signal detection, so that one-stop full-automatic high-precision detection of the electronic lock from code scanning, aging, on-load testing, visual size detection, output force detection, air tightness detection to code printing and blanking is realized; the detection efficiency, the data accuracy and the process reliability are remarkably improved, and meanwhile the manual intervention cost and the equipment complexity are reduced.

The invention relates to a sliding wear performance evaluation method of a sliding bearing, a sliding wear testing machine and application. The method comprises the following steps: acquiring initial-state benchmark characterization of a sliding bearing sample, placing the sliding bearing sample at a test station of the sliding wear testing machine, outputting lubricating oil, collecting a process oil sample, and acquiring final-state characterization of the sliding bearing sample after the test is completed; on the basis of initial state benchmark characterization, process oil sample analysis data, final state characterization and working condition parameters applied by a sliding wear testing machine, the wear stage and the wear mechanism are analyzed, and the sliding wear performance of the sliding bearing is evaluated; a sliding shaft supporting module, a rotating power module, an oil supply lubricating module and a radial load pressurizing module are arranged on the testing machine matching platform; the method is applied to wear resistance evaluation of sliding bearings prepared by adopting different processes. According to the invention, the core working condition of the actual dynamic pressure bearing is accurately reproduced, the stability and durability of the test system are improved, and the occurrence, development and evolution process of wear is visualized and quantifiable.

The utility model discloses a circulating pump test system, which comprises a switchable waterway device, a test board and a main water tank, the switchable waterway device comprises a water inlet interface, a water outlet interface, a plurality of control valves and a test waterway arranged in a snakelike circuitous coil structure; the waterway length of the test waterway can be changed by changing the on-off of the control valve; the draft test station, the switchable waterway device and the main water tank are connected through a pipeline; the durability test station is connected with the main water tank through a pipeline; the circulating pump can be installed at the pumping force test station or the durability test station and is electrically connected with the control center. According to the utility model, the pumping force test under simulation disclosure of different waterway lengths is integrated on the test system of the circulating pump, and the installation station of the circulating pump does not need to be changed; moreover, durability testing of a plurality of circulating pumps can be carried out synchronously, the arrangement space of a testing platform is greatly reduced, and the testing efficiency of the circulating pumps is effectively improved.

The invention relates to the field of detection, in particular to a double-sided automatic visual detection system based on a special-shaped net-shaped component, which comprises a conveying guide rail arranged on a seat body and used for conveying materials, and also comprises a front detection station, a turn-over transfer module and a back detection station which are sequentially arranged along the conveying direction of the conveying guide rail, the front surface testing station and the back surface testing station are configured to perform visual inspection on the front surface and the back surface of a material respectively, and the turn-over transfer module is configured to perform turn-over operation on the material; after the material is stably adsorbed under negative pressure, the posture of the material is fixed, the stability under repeated action is improved, multi-angle visual detection of the material is realized through pitching action of the rotating platform and autorotation of the detection seat, a backlight compensation measure is provided, and the detection precision is improved. Multi-view-angle automatic assembly line type visual detection of the materials is achieved under the multi-angle and multi-posture conditions, and the comprehensiveness and precision of visual detection of the materials are remarkably improved.

The invention relates to a double-station turbine blade thermal shock test device and a test method thereof, and the device comprises a flame gas heating system which is used for generating high-temperature flame through gas combustion to simulate transient thermal shock when an aero-engine is started; the double-station pushing platform comprises a frame, a front testing station and two rear independent testing stations, wherein the front testing station and the two rear independent testing stations are installed on the frame. The airflow cooling system is used for quickly cooling the high-temperature test piece; the infrared temperature measuring device is used for detecting the surface temperature of the blade in real time and feeding back the surface temperature to the flame gas heating system to realize closed-loop temperature control; the image acquisition device is used for acquiring appearance characteristic data of cracks on the surface of the blade in the test process; and a base. Compared with the prior art, the device has the advantages that the device has remarkable advantages in the aspects of test function integrity, working condition simulation accuracy, test efficiency and the like, and comprehensive test support can be provided for research and development of aero-engine hot end components.

The utility model discloses a hydraulic oil cylinder piston sealing experiment table, which is characterized by comprising a driving device, a test board, a hydraulic system and a data acquisition system, the test bench is provided with a test station for fixing a hydraulic oil cylinder to be tested; the driving device is located on the side edge of the testing station and comprises a sliding plate and a ball screw assembly driving the sliding plate to reciprocate in the telescopic direction of the hydraulic oil cylinder to be tested, and the sliding plate is provided with a connecting base for being connected with a piston rod of the hydraulic oil cylinder to be tested. The hydraulic system is communicated with an oil inlet and an oil outlet of the hydraulic oil cylinder to be tested through oil pipes; and the data acquisition system is connected with the hydraulic oil cylinder to be tested on the test station so as to acquire hydraulic information and oil leakage information. The device can efficiently and accurately measure the sealing performance of the hydraulic oil cylinder piston.

The invention relates to the technical field of pressure test, and provides a plugging device for pressure vessel pressure test, which comprises a mechanical arm arranged on one side of a test station, and a grabbing mechanism is arranged at the moving end of the mechanical arm; the plugging assembly comprises a sealing plate and a clamping assembly arranged on the sealing plate, the clamping assembly comprises a clamping head movably arranged in the circumferential direction of the sealing plate, and after the grabbing mechanism grabs the sealing plate and gets close to the pipe opening of the pressure container, the clamping head can be matched with the sealing plate to clamp a pipe opening flange of the pressure container so as to seal the pipe opening of the pressure container. According to the plugging device for the pressure vessel pressure resistance test, the grabbing mechanism is arranged on the lower end face of the movable end to cooperate with the plugging assembly to act, rapid plugging of the pipe opening is achieved, and the technical problem that in the prior art, when the pressure vessel is subjected to the pressure resistance test, the installation efficiency of a blind plate is low is solved.

The invention relates to the technical field of electronic testing, and discloses a USB module multi-station synchronous testing and data association method and system, and the method comprises the steps: constructing a global schedulable resource map of a testing station, so as to create a resource load balancing table and a global testing database of the testing station; configuring a synchronous test controller of the test station by using the test task flow generated by the test station and the global schedulable resource atlas; reading the unique identity label of the USB module so as to establish an association mapping network of the USB module in the global test database; and executing multi-station synchronous testing and data association processing of the USB module based on the global schedulable resource atlas, the resource load balancing table, the synchronous testing controller, the collaborative optimization strategy set and the association mapping network. According to the invention, accurate synchronous control of multi-station test and automatic correlation analysis of test data can be realized.

The invention provides chip testing equipment and a control method, and relates to the technical field of chip testing. According to the invention, the target first adsorption part is firstly controlled to adsorb the tested chip, then the first rotating tower is controlled to rotate so as to drive the target first adsorption part to rotate to the feeding station of the annular linear motor, and the tested chip is placed on the target test fixture. And then the annular linear motor is controlled to drive the target test fixture to move to the test station, after the tested chip is tested, the annular linear motor is controlled to drive the target test fixture to move to the blanking station, and the tested chip is blanked. According to the technical scheme, the rotating tower is used for feeding the tested chip, the multiple first adsorption pieces synchronously take and place materials, and the feeding speed is increased. The mode that the annular linear motor drives the testing jigs to move is adopted, the feeding speed can be matched with the feeding speed of the turret, therefore, the testing efficiency is overall improved, the multiple testing jigs on the annular linear motor can be independently controlled, and flexibility is good.

The invention discloses a power semiconductor board-level test system and method, and belongs to the technical field of power semiconductor device test. According to the system, a reactive aging test and a dynamic characteristic test are creatively integrated on a single test platform, and the problems of low efficiency and high cost of a traditional substation test are solved through modular design. The system comprises a multifunctional test head arranged at a test station and capable of being connected with a power terminal and a signal terminal of a power module at the same time; the reactive load loop is formed by a three-phase adjustable reactor; the high-precision signal acquisition module comprises a flexible current probe and a differential voltage probe; the oscilloscope realizes multi-channel synchronous acquisition; and accurate control is realized based on the main control board card of the FPGA. According to the testing method, Vge, Vce, Ic and other parameters are collected in real time in the reactive aging process, online monitoring of dynamic characteristics is achieved through a current triggering mechanism, and a fault recording function is achieved.

The invention discloses a circuit board collaborative assembly station which comprises an assembly initial detection station used for automatic assembly and initial detection of a circuit board. The temperature test station is used for testing the long-term stability of the circuit board and is arranged on the conveying and discharging side of the assembly initial test station; and the final testing station is used for performing final performance testing and packaging on the circuit board and is arranged on the conveying and discharging side of the temperature testing station. According to the assembly initial station, intelligent dispatching of materials among nine stations is achieved through a speed chain transmission device (RFID binding material boxes / trays) and a truss robot (magnetic railing ruler positioning + / -0.1 mm), and the time consumed by manual transfer is shortened by 30%; a composite robot (AGV + mechanical arm) of a temperature test station automatically grabs a storage, transportation and measurement integrated clamp, incubator butt joint (the three-level positioning precision is + / -0.25 mm) is completed, and 72-hour continuous temperature cycle unattended operation is achieved; the speed chain and the transfer robot of the final station are linked, and automatic butt joint of the vibration clamp and the test equipment is supported.

The invention relates to the technical field of radio frequency chip testing, and discloses a waveform output method for an RFID chip function test, which comprises the following steps of: analyzing an RFID instruction through an ATE machine and generating Pattern data; the Pattern data are sent to an AMO module to be subjected to waveform modulation; carrying out function test on the RFID chip by adopting a multi-station completely parallel test scheme; and a signal returned by the RFID chip is collected and demodulated, and demodulated data is displayed on a test interface of the ATE machine. According to the invention, a test scheme design that multiple stations are completely parallel is adopted, and the test stations are mutually independent, so that the test rate can be greatly improved, the mass production multi-station test requirements are met, and the advantages are obvious in a mass production environment; an external instrument or a special testing machine is not needed, testing is achieved through cooperation of the ATE machine and the AMO module, extra equipment investment is avoided, and cost is effectively saved.

The invention relates to a fan vibration quantity testing device and a testing method thereof.The fan vibration quantity testing device comprises a rack, double testing stations are arranged on the rack, each testing station is provided with a two-dimensional cooperative clamping mechanism and an acceleration detector, and each two-dimensional cooperative clamping mechanism comprises a transverse driving air cylinder and a longitudinal driving air cylinder; a transverse clamping plate is arranged at the end of a piston rod of the transverse driving air cylinder, a longitudinal clamping plate is arranged at the end of a piston rod of the longitudinal driving air cylinder, the transverse clamping plate and the longitudinal clamping plate are vertically matched to form an L-shaped clamping face, an industrial personal computer is integrated in the rack, and the industrial personal computer is electrically connected with the transverse driving air cylinder, the longitudinal driving air cylinder and the acceleration detector. And through hardware initialization and self-calibration, double-station self-adaptive clamping and positioning, multi-dimensional vibration data acquisition, signal preprocessing and feature extraction, vibration quantity fusion calculation, intelligent judgment and error compensation, detection of the vibration quantity of the fan is realized. The method has the effect of improving the efficiency of fan testing.

The invention discloses a power supply test method, device and equipment and a readable storage medium, and the method comprises the steps: distributing a test station for a target power supply according to an application scene of the target power supply; determining a test item in each test station and a test condition corresponding to each test item according to the model information and the application scene of the target power supply; according to a preset test requirement and historical test data corresponding to the model information, sorting the test stations to obtain a test station sequence; and sequentially determining target test stations based on the test station sequence, and testing the target power supply through the target test stations based on the test items and the test conditions to obtain a test result. Through the method, the power supply test can be automatically realized, the condition that related testers manually carry out various types of tests on the power supply to obtain test results is avoided, and the power supply test efficiency can be improved.

The utility model discloses an optical module test system which comprises a rack, a mechanical arm is arranged on the rack, and a feeding station, a code scanning station, an end inspection station, a plugging station, a test station and a discharging station are arranged on the periphery of the mechanical arm. The plugging station is used for connecting or separating the optical module and the optical fiber; the code scanning station is used for identifying and acquiring information of the optical module; an end detector is arranged on the end detection station; a high and low temperature detector is arranged on the test station; the manipulator is arranged to transfer materials among the stations, automation of the optical module testing process is achieved, manual operation is reduced, testing efficiency and accuracy are improved, and labor cost and personal errors are reduced. In addition, all the stations are arranged around the manipulator, the structure is compact, the occupied space is small, the system is particularly suitable for use scenes with high requirements for the site and the occupied area, meanwhile, operation of the manipulator and circulation of materials are facilitated, and the operation efficiency of the system is improved.

The invention discloses a test station model generation method and device based on adapter constraint, equipment and a medium, and belongs to the technical field of automatic testing, and the method comprises the following steps: a, respectively establishing a UUT electrical interface model, an adapter model and a resource board card model; b, screening adapters meeting requirements according to the signal type and the channel number in the UUT electrical interface model; step c, configuring a resource board card meeting the test requirement for the test station through three processes of resource card type matching, channel number matching and performance index matching according to a back panel constraint condition of the selected adapter; and step d, finally obtaining configuration information of the test station and determining a required adapter to complete modeling of the test station. Aiming at the problem that the manual design efficiency of a test station of a general test system is low, the model selection of the adapter and the generation of the test station model are realized based on the constraint conditions of the front panel and the rear panel of the adapter, and the development efficiency of the test system is improved.

A system and method for calibrating a vehicle optical sensor includes positioning the vehicle in a test station having a projection surface in view of the optical sensor, positioning targets on two hubs of the vehicle, and positioning lasers left to right that are mounted on a graduated mounting bar in front of the vehicle. The graduated mounting bar includes gradations indicative of a lateral position of the lasers on the graduated mounting bar. The lasers are configured to obtain a distance to the targets and distances along respective axes and between the lasers. The calibration is performed based on the obtained distances and once the vehicle's position in the test station is known with respect to the test station.

The invention relates to the technical field of detection devices, and discloses a graphene thermal insulation material pressure test detection device which comprises a rack, a liquid detection station, a collection station, a temperature change detection station and a fatigue test station are sequentially arranged on the rack in the clockwise direction, and a liftable detection frame and a movable carrying table are installed on the rack. A directional guide system, a pressure control system driven by a first air pump and a rotatable rotating station frame are mounted on the detection frame, a group of mounting parts are mounted on the rotating station frame, each mounting part comprises a joint vibration assembly, a vibration frame capable of reciprocating up and down and a rotatable hanging shaft are mounted on the joint vibration assembly in a transmission manner, and the hanging shaft is rotatably mounted on the vibration frame. The bottom end of the hanging shaft is clamped and magnetically attracted with a hanging frame, and a detection box is installed on the hanging frame. According to the device and the method, the performances of corrosion resistance, temperature change resistance, fatigue resistance, microstructure, surface performance and the like of the graphene thermal insulation material can be detected on the same device.

The invention provides a gas-liquid separation capacity test system of a gas-liquid separator, which comprises a compressor, a condenser, a flow meter, an OCR meter, an EXV electronic expansion valve, a first evaporator, a debugging station connected with a first gas-liquid separator, a test station connected with a second gas-liquid separator, and a debugging loop and a test loop formed by a second evaporator, the debugging loop is further provided with a first adjusting valve, a second adjusting valve, a third temperature pressure sensor and a fourth temperature pressure sensor. The testing loop is further provided with a third adjusting valve, a fourth adjusting valve, a first temperature pressure sensor and a second temperature pressure sensor. The invention further provides a testing method of the gas-liquid separation capacity testing system of the gas-liquid separator, the system is stabilized through the debugging loop, and then the system is switched to the testing loop. According to the gas-liquid separation capacity test system and test method of the gas-liquid separator, the test system is more stable by adding the debugging loop, the operation is simple, and the test precision is high.

The invention discloses a distributed system-oriented test station model generation method, relates to the technical field of automatic testing, and aims to solve the problem that a single test station cannot meet the test requirement along with the increase of the size of a test object and the increase of complexity in the conventional test station model generation method. Therefore, a distributed test system needs to be applied to test a large-scale and complex system, a test station modeling method of the distributed system needs to be designed, and research on the aspect in the industry is few. According to the test station model generation method oriented to the distributed system, an automatic generation algorithm is achieved, the generation efficiency and accuracy of the test station can be greatly improved, and the development efficiency of an automatic test system is improved.

The utility model discloses a multifunctional test device which comprises a rack, an index plate arranged in the rack and a plurality of object carrying modules, and a feeding and discharging station, a first test station and a second test station are arranged in the rotation direction of the index plate. The first test station comprises an RF test device, a first SIM card plugging device arranged on the RF test device, and a first jacking module which is arranged below the index plate and pushes the loading module upwards to realize die assembly of the loading module and the RF test device; the second test station comprises an ICT test device, a second SIM card plugging device arranged on the ICT test device, and a second jacking module which is arranged below the index plate and pushes the loading module upwards to realize die assembly of the loading module and the ICT test device. According to the utility model, three tests can be completed on two test stations, the overall structure is simple, the design is compact, and the occupied space is small.

The utility model discloses a five-station horizontal glue adding balancing machine for a micro-motor rotor. The initial test station, the retest station, the assembly line station, the five-station rotary carrying mechanism and the five-axis dispensing mechanism are all installed on the machine body, the initial test station and the retest station are used for testing the unbalance amount of a rotor before dispensing and the unbalance amount of a rotor after dispensing respectively, and the assembly line station is used for carrying the rotor. The two five-axis dispensing mechanisms are installed on the two sides of the five-station rotary carrying mechanism respectively and used for dispensing the rotor to achieve weighting balance of the rotor, and the method comprises the steps that the rotor is placed on an assembly line station, the five-station rotary carrying mechanism is used for carrying the rotor to a primary testing station, and the dispensing amount and the dispensing angle of the two sides of the rotor are measured; and the five-axis dispensing mechanism is used for dispensing, weighting and balancing the rotor. According to the utility model, the rotor can be controlled to move in multiple directions, the dispensing station is controlled to move up and down and left and right, the dispensing process requirements of different products at different positions can be met, and the compatibility is good.

Disclosed in the present invention are a test safety monitoring method and system for a transformer test station. The present invention comprises: first, acquiring test data of a transformer test station; performing anomaly detection on the test data so as to obtain an anomaly detection result; then, evaluating test safety to obtain a safety evaluation result; on the basis of the evaluation result, determining the optimization space and the optimization direction of test parameters; and further introducing a genetic algorithm to perform a collaborative search with the optimization space and direction, so as to obtain optimized test parameters, thus improving the safety and stability of the transformer test station. The present invention can effectively monitor the test safety, improve the capability of optimizing test parameters, and has broad application prospects and economic values.

A battery cell insulation test system (0) and a battery cell insulation test method. The system (0) comprises: an insulation tester (3), in response to a received test starting signal and according to a preset test procedure, testing a battery cell under test to obtain a preliminary test result; a superordinate computer (1), in response to the received preliminary test result, sending the preliminary test result and a test completion signal to a control device (2), collecting process data generated in the test process of said battery cell in a first time period, and obtaining a final test result on the basis of the process data; and the control device (2), in response to the received preliminary test result and test completion signal, releasing said battery cell from a test station of the insulation tester (3), in response to a received battery cell check signal, determining a target battery cell under test of the battery cell check signal, and determining a battery cell circulation direction of said target battery cell on the basis of a preliminary test result and a final test result of said target battery cell.

The invention relates to the technical field of wire harness testing, and discloses a wire harness testing device which comprises a testing station, a testing box is arranged at the top of the testing station, when a wire harness is subjected to power-on testing in an extreme environment, a surface body of the wire harness expands or contracts, at the moment, an abutting block acting on the surface of the wire harness pushes a supporting rod to move, and the testing box is used for testing the surface body of the wire harness. At the moment, the contact piece of the supporting rod can move below the detection plate, the multiple contacts are resistors with resistance values continuously increased in the clockwise direction, when the contact piece makes contact with the different contacts, a PLC in the test box can detect the change of the resistance values, and then the expansion or contraction degree of the wiring harness can be judged. Due to the fact that the wire harness tool is provided with the multiple sets of abutting blocks and the detection plates, multiple point positions of the wire harnesses can be tested at the same time, the wire roller does not need to be manually and repeatedly taken out from the high-temperature or low-temperature environment, the test point positions do not need to be replaced, and the test efficiency is greatly improved.

The application provides a micro-precision angular contact ball bearing limit speed testing machine, which comprises a base and a motor, a ring block and a test shaft are arranged on the base, one end of the test shaft penetrates into the ring block to form a test station for installing a bearing to be tested, a first connecting part is arranged on the test shaft, the motor comprises a second connecting part on an output shaft, a plurality of first connecting holes and a plurality of second connecting holes are arranged on the first connecting part and the second connecting part respectively, and the first connecting holes and the second connecting holes can be connected by a connecting line to form a flexible connection between the first connecting part and the second connecting part. In view of the defects of the prior art, the micro-precision angular contact ball bearing limit speed testing machine provided by the application is designed to be flexibly connected and can avoid aggravating damage.