33results about How to "Meet diverse testing needs" patented technology

An embodiment of the invention relates to the technical field of converters, and discloses a converter detection platform and a detection method. The hardware equipment of the invention comprises a battery simulation device, a converter to be measured, a measurement device, a grid simulation device, a grid failure simulation generating device, an anti-islanding RLC device, multiple switches, and the like. There are different system combinations for different detection items, and users can quickly switch between different detection items through the automatic detection system, and adjust parameters of the equipment such as the grid simulation device, the battery simulation device and the anti-islanding RLC device, so as to achieve the detection of different items, such as anti-island detection, charge and discharge detection, and voltage adaptability detection. At the same time, the battery simulation device is selected to replace the traditional two-way DC power supply and DC load, which simplifies the converter detection platform. The detection platform can detect current non-AC side voltage levels and current transformers with different capacities on the market, and the detectioncapacity can reach megawatt level.

The invention discloses a test case generation method, which comprises the steps of obtaining a configuration file of a software system, wherein configuration file comprises configuration items used for representing service logic, and matching each configuration item in the configuration file with a configuration rule table to obtain a value space corresponding to each configuration item; combining each configuration item in the configuration file to obtain a configuration item combination, traversing a value space corresponding to each configuration item in the configuration item combination,performing value combination to obtain all value combinations of the configuration item combination, calling a test case template, and generating a corresponding test case based on each value combination of the test case module and the configuration item combination. On one hand, the user operation is reduced, the test efficiency is improved, on the other hand, the coverage service scene is comprehensive, the missing test phenomenon is avoided, the test quality is ensured, and diversified test requirements can be met. The invention further discloses a corresponding device, equipment, a systemand a medium.

A measuring tool generally used for detecting an LED light source comprises a shell part and a testing part. The shell part is a hollow cylinder, and at least one end of the shell part is opened to contain the testing part. The testing part comprises a carrier plate and a fin, wherein the carrier plate is arranged on the opening end portion, and the fin extends on the inner side, towards the shell part, of the carrier plate. At least one air hole penetrating through the carrier plate is formed in the middle of the carrier plate, and the air hole is communicated with a vacuum pump outside the shell part. Any two opposite angle sides, close to the air hole, of the end face of the outer side of the carrier plate are provided with at least a pair of electrodes which are communicated with an external control power source and are used for guiding positive voltage and negative voltage. An annular refrigeration chip surrounding the electrodes and the air hole is embedded into the outer side of the carrier plate to enable an LED to be tested at the constant temperature. A fan for guiding cooling blast to the fin is arranged at the bottom of the shell part, and when the middle, away from the light-emitting face, of the LED to be tested abuts against the air hole, the LED can be attached to the carrier plate through attraction provided by the vacuum pump, and an electrode plate at the bottom of the LED is correspondingly connected with the electrodes to supply electricity to the LED.

The invention relates to a portable normal-voltage glow discharge micro plasma spectrograph and an application method thereof. The portable normal-voltage glow discharge micro plasma spectrograph mainly comprises a sample introduction system, an excitation light source, a detection system, a power supply system and a control display system, wherein the excitation light source is normal-voltage glow discharge micro plasma which is capable of maintaining stable glow discharge micro plasma at normal voltage; and the normal-voltage glow discharge micro plasma is driven by a direct-current high voltage and mainly comprises a high-voltage module, a light sensitive feedback module, two solid electrodes, a quartz sleeve and a plastic sealing sleeve. Due to adoption of the normal-voltage glow discharge micro plasma as the excitation light source, minimized portable development requirements of spectrographs can be met very well, the portable normal-voltage glow discharge micro plasma spectrograph has the characteristics of being good in stability, high in sensitivity, high in efficiency, small in size, low in cost, good in environment friendliness, and the like, and rapid detection requirements on metal and nonmetal elements in on-site analysis can be met.

The invention discloses a general measuring tool for detecting a light emitting diode (LED) light source. The measuring tool comprises a housing portion and a test portion. The housing portion is provided with an opening at least towards one end to install a hollow cylinder of the test portion; the test portion comprises a support plate arranged at an opening end portion and a fin extending towards the inner side of the housing portion from the support plate; the central portion of the support plate is provided with a through hole penetrating the support plate; the through hole communicates with a vacuum pump outside the housing portion; an annular refrigeration chip which surrounds the through hole to enable the LED to be tested at a constant temperature is embedded in the outer side of the support plate; the refrigeration surface of the refrigeration chip is provided with an electrode support in a pasting mode; and the central portion of the electrode support is provided with a gas hole communicating with the through hole and a pair of electrodes which are close to the gas hole, are arranged at any two diagonal sides and already communicate with an external control power source to guide positive and negative voltages. When the central portion, which is in the backward direction of a light extraction surface, of an LED to be detected abuts against the gas hole, the suction supplied by the pump attaches the LED to the electrode support, and an LED bottom pole plate and the pair of electrodes are enabled to correspondingly communicate so as to supply power to the LED.

The invention provides a configurable CAN bus protocol transceiving test method and a configurable CAN bus protocol transceiving test system. A standard data frame defined by a CAN bus protocol is used so that the data length of a request frame or a response frame can be randomly set within a certain range, and if the data length of the request frame or the response frame exceeds the data frame length defined in the protocol, the data of the request frame or the response frame is split into a plurality of single frames to be sent; if multiple frames are received, frame splicing operation is carried out according to the frame content, multiple single frames are combined into a complete request frame or response frame, then response processing is carried out, and a user can change corresponding frame parameters in real time according to needs in the testing process; meanwhile, hardware interrupt signals are directly generated through the FPGA, a series of operations such as frame splicing and response frame sending are performed in an interrupt program, data uploading is not performed, response time is effectively shortened, and it can be guaranteed that the response time is shorterthan 2 milliseconds.

The invention discloses a gas tightness detection device, related to the field of machinery. The gas tightness detection device comprises a frame, a test cavity, a vacuum generator, a leakage detector, a flow controller, a flow sensor, a gas pressure sensor and a clamp assembly, wherein an upper part of the frame is a test area, a lower part of the frame is a device mounting area, the vacuum generator, the leakage detector, the flow controller, the flow sensor and the gas pressure sensor are all mounted in the device mounting area, the clamp assembly is mounted in the test area and used for fixing the test cavity, and a to-be-detected product is mounted in the test cavity. According to the gas tightness detection device provided by the invention, a plurality of the detection devices are integrated in one frame, simultaneously, the corresponding clamp assembly is provided, diversified test requirements of client products are realized, the whole structure is compact and highly integrated, and visualized detection works are realized.

The invention discloses a test task execution method, an apparatus, an electronic device and a computer-readable storage medium, wherein, the test task execution method comprises the following steps:receiving an execution request of any plug-in test task sent by a test platform, wherein any plug-in test task is generated based on the acquired plug-in; Then, according to the received execution request, a target device for executing any plug-in test task is determined. Then, any plug-in test task is pushed to the target device through the proxy device, and the execution result returned by the target device is received through the proxy device. A method accord to an embodiment of that present application The target device can execute plug-in test tasks generated according to the diversifiedtest requirements of the testers, and return execution results satisfying the diversified test requirements of the testers to the test platform server, thereby overcoming the situation that the inherent test task types cannot meet the additional test requirements of the testers.

The invention provides a ship power supply remote test system. The ship power supply remote test system comprises a plurality of test units; each test unit comprises a test power supply used for generating alternating current with rated voltage and rated frequency; a load unit which comprises a plurality of resistance load units, a plurality of reactance load units, a plurality of contactors and resistance load units, wherein the reactance load units have set resistance values and reactance values, one contactor corresponds to one resistance load unit or one reactance load unit, and the resistance load units and the reactance load units are connected in parallel with the test power supply through the corresponding contactors; and a control unit which is in signal connection with the contactor, and drives the contactor to open / close according to an externally input power factor, a test power value and a power fine adjustment instruction so that the actual power value of the load unit isadjusted to reach the preset precision. The invention also provides a ship power supply remote test method. According to the system and the method, the efficiency and the precision of ship power supply testing can be improved.

The invention relates to a device for testing the withstand voltage and performance of a LED power supply. The device for testing the withstand voltage and performance of the LED power supply includesa workbench, a feeding mechanism and a detection module; and the detection module includes a detection head and a driving mechanism. In the feeding mechanism, the design of a conveyor belt that is connected to an assembly line and is used for transporting a power supply to be detected can ensure the smooth transportation of the power supply to be detected and the assembly line, therefore, the effect that the upstream power supply to be detected can be smoothly transported to the detection device can be ensured; in the detection module, the drive mechanism drives the detection head to move relative to the workbench to approach the power supply to be detected on the conveyor belt, which can ensure that the power supply does not need to be manually removed from the conveyor belt, and the withstand voltage and performance tests are directly performed, therefore, the device for testing the withstand voltage and performance of the LED power supply saves time and effort, and also improves the detection efficiency; in addition, the setting of a widening component can ensure that the detection device can adapt to different types of power supplies, and meet a variety of detection needs.

The invention relates to a portable normal-voltage glow discharge micro plasma spectrograph and an application method thereof. The portable normal-voltage glow discharge micro plasma spectrograph mainly comprises a sample introduction system, an excitation light source, a detection system, a power supply system and a control display system, wherein the excitation light source is normal-voltage glow discharge micro plasma which is capable of maintaining stable glow discharge micro plasma at normal voltage; and the normal-voltage glow discharge micro plasma is driven by a direct-current high voltage and mainly comprises a high-voltage module, a light sensitive feedback module, two solid electrodes, a quartz sleeve and a plastic sealing sleeve. Due to adoption of the normal-voltage glow discharge micro plasma as the excitation light source, minimized portable development requirements of spectrographs can be met very well, the portable normal-voltage glow discharge micro plasma spectrograph has the characteristics of being good in stability, high in sensitivity, high in efficiency, small in size, low in cost, good in environment friendliness, and the like, and rapid detection requirements on metal and nonmetal elements in on-site analysis can be met.

A light-emitting diode detection measuring implement is used for detecting a light-emitting diode light source and comprises a shell part and a test part. The test part is installed on the shell part and comprises a carrier plate. The carrier plate is used for bearing the light-emitting diode light source to enable the bottom surface of the light-emitting diode light source to be arranged on the carrier plate in an attached mode, and the light-emitting surface of the light-emitting diode light source deviates from the carrier plate. The test part further comprises a hose and a vacuum pump. The carrier plate is provided with at least one air hole corresponding to the light-emitting diode light source, and the hose is communicated with the air hole and the vacuum pump, so the vacuum pump can be used for enabling the light-emitting diode light source to be adsorbed to the carrier plate.

The invention discloses a rapid detection method for AC voltage abnormity in an electric power system, and the method comprises the following steps: obtaining a sine AC voltage curve of the electric power system in a period, and calculating a preset voltage value of the electric power system based on the sine AC voltage curve; continuously sampling the sine alternating voltage for a plurality of times in a preset time to obtain a plurality of sampling voltage values; judging whether each sampling voltage value is abnormal or not based on a plurality of preset voltage values and a plurality of sampling voltage values within a preset time, and counting the abnormal times of the sampling voltage values; and detecting whether the sine alternating-current voltage is abnormal or not within a preset time based on the number of abnormal times of the sampling voltage value. Through sampling, operation and control of the DSP, the AC voltage abnormity in the power system can be rapidly detected, in the whole detection process, the DSP only needs to sample the voltage value, the circuit design and hardware equipment are simplified, and the anti-interference capability of detection can be significantly improved.

The invention relates to the technical field of terahertz spectroscopy, and provides a terahertz time-domain spectrometer. The terahertz time-domain spectrometer comprises a spectrometer main body, asample bearing structure and a scanning driving device, wherein the spectrometer main body includes a terahertz generator and an installation cooperation structure, the installation cooperation structure is detachably connected with a reflection imaging device / a transmission spectrum testing device, the sample bearing structure has a scanning operation position and a scanning operation-waiting position, the scanning driving device is used for driving the sample bearing structure to move between the scanning operation position and the scanning operation-waiting position in a reciprocating modeand used for driving the sample bearing structure to carry out a scanning operation when the sample bearing structure is at the scanning operation position. The terahertz time-domain spectrometer changes the test mode without a need of frequently assembling, disassembling and debugging a scanning imaging test device, the test device can be replaced quickly and conveniently without optical alignment, and diversified test requirements of users can be met.

The invention provides a performance test method, a performance test device, electronic equipment and a computer readable storage medium, and belongs to the technical field of artificial intelligence.The method comprises the steps of obtaining a target task for performance testing; extracting one or more preset dimensions according to the target task, and determining feature data of each preset dimension; determining a target execution machine from a plurality of execution machines according to the feature data based on a pre-trained mapping model; and sending the target task to the target execution machine, and receiving a test result about the target task returned by the target execution machine. According to the invention, diversified test requirements can be met, and the flexibility and the test efficiency of performance test are improved.

The invention belongs to the technical field of three-dimensional measurement, and particularly discloses a high-speed high-precision three-dimensional detection system, which comprises a detection device, an image acquisition device and a control device, and is characterized in that the detection device comprises at least one first projection device, at least one second projection device and an image acquisition device; the first projection device is used for projecting at least one kind of structured light to a to-be-measured object, the second projection device is used for projecting at least one kind of linear light source to the to-be-measured object, and the image acquisition device is used for acquiring a structured light projection image and a linear light source projection image which are projected on the to-be-measured object by the first projection device and the second projection device; and the system also comprises a processor used for acquiring a structured light projection image. According to the invention, the second projection device is additionally arranged, the line light source focused in the second measurement range can effectively expand the height detection range of the system, and meanwhile, the detection speed and the detection precision are not reduced.

The invention provides a time index carrying method and apparatus, a time index detection method and apparatus, a storage medium, a base station and a terminal. The carrying method comprises the following steps: encoding an information bit carried on a PBCH block that is actually transmitted, wherein the information bit comprises a first time index, and the first time index comprises at least a part of information in system frame number information; and scrambling the encoded information bit based on an actually transmitted scrambling code sub-sequence, wherein the actually transmitted scrambling code sub-sequence is selected from a preset scrambling code sub-sequence set. By adoption of the technical scheme provided by the invention, it can be ensure that a PBCH designed by the base station in a 5G system can support once detection and multiple times of detection.

The invention provides method and device for generating interfering noise and method and system for testing voltage tolerance. The method for generating interfering noise comprises the following steps of: generating at least one path of signals according to work frequency of a circuit to be tested; summing the generated at least one path of signals; and amplifying the summed signals to obtain interfering noise, wherein the voltage value of the interfering noise is equal to a design value of the voltage tolerance of the circuit to be tested. The device for generating interfering noise comprises a signal generating module, a summing device and an amplifier. The invention can generate interfering noise which is suitable for testing the voltage tolerance and can test whether the actual voltage tolerance of the circuit conforms to a design requirement.

The invention discloses PCR detection equipment and an amplification device thereof, the PCR detection equipment comprises a shell, a photometry assembly and a temperature control part for controlling the temperature of a PCR tube, and the shell is provided with a plurality of test positions for placing the PCR tube; the photometry assembly comprises light source assemblylies used for providing a test light source and a driving part used for driving the light source assembly to move. Multiple light source assemblies are arranged, the types of light sources which can be provided by the light source assemblies are different, and the light source assemblies can be driven by the driving part to irradiate the test positions in sequence. According to the amplification device provided by the invention, through the arrangement of the photometry assembly and the temperature control part, the arrangement of the plurality of light source assemblies capable of providing different light source types and the driving of the driving part, each light source assembly sequentially passes through the test positions, so that detection substances in the PCR tube can be subjected to various combinations; the detection range is enlarged, so that the applicability is improved.

The invention provides a face image beautification detection method and system based on optical flow estimation, and the method comprises the steps: cutting a to-be-processed face image to obtain a face region image, carrying out the deformation processing of the face region image to obtain a face deformation image, and inputting the face region image and the face deformation image into an optical flow extraction network; respectively extracting features of the face region image and the face deformation image for fusion, and performing optical flow extraction on the images after feature fusion by using a deconvolution network to obtain an optical flow field image; downsampling a to-be-processed face image, inputting the downsampled image and the to-be-processed image into the optical flow field detection network, carrying out two-layer cascade feature fusion to obtain a first feature map, a second feature map and a third feature map, respectively calculating common differences between the three feature maps and the optical flow field image, and reversely propagating the common differences to the optical flow field detection network, and the optical flow field detection network converges. Image restoration is carried out according to the optical flow field, and good performance can be shown on face deformation.

The invention relates to the field of semiconductor chip detection, and particularly discloses a semiconductor chip test bench. The test bench comprises a bottom plate, and the upper end of the bottom plate is provided with a placement table used for supporting a semiconductor chip, a microscope used for assisting observation and a display screen used for displaying related parameters; the placement table is connected with the bottom plate and is arranged in the horizontal direction, the microscope and the display screen are both movably connected with the bottom plate, the upper end of the bottom plate is also provided with a probe for applying current to the semiconductor chip, the upper end of the bottom plate is provided with a probe seat assembly, the probe seat assembly is used for driving the probe to move along the three-coordinate direction, and the placement table is movably connected with the bottom plate. According to the invention, the test precision of the semiconductor chip can be improved.

The invention belongs to the technical field of three-dimensional measurement, and specifically discloses a high-speed and high-precision three-dimensional detection system, including: a detection device, the detection device includes at least one first projection device, at least one second projection device, and an image acquisition device; The first projection device is used to project at least one structured light to the object to be measured, the second projection device is used to project at least one line light source to the object to be measured, and the image acquisition device is used to collect the first The projection device and the second projection device project the structured light projection image and the line light source projection image on the object to be measured; the processor is used to obtain the structured light projection image, and the present invention focuses on the second measurement by adding the second projection device The line light source within the range can effectively expand the height detection range of the system without reducing the detection speed and detection accuracy.

The invention provides an automatic test data summarization and evaluation method in the field of municipal engineering. The method comprises the following steps of S10, drawing a function display interface and a data input interface; S20, compiling an evaluation rule according to an evaluation basis; S30, creating a data storage table in the cloud server, and inputting the test data into the datastorage table; S40, selecting an evaluation basis through a function display interface to evaluate the test data; The invention also provides an automatic test data summarizing and evaluating system.The method has the advantages that diversified test requirements are met, and the test parameter evaluation accuracy is improved.

The invention discloses an interface performance test method and device, which are used for improving the test accuracy and efficiency while meeting diversified test requirements. The method comprises: based on preset test configuration information and target test demand information of a to-be-tested interface, determining a target scene parameter and a target performance index item for performing a performance test on the to-be-tested interface, the test configuration information comprising a preset scene parameter and a preset performance index item satisfying a corresponding preset test demand; generating a performance test script based on the interface parameters of the to-be-tested interface and the target scene parameters; executing the performance test script, and performing performance test on the to-be-tested interface; based on the target performance index item, calling a preset monitoring tool, and collecting performance data of the to-be-tested interface in the execution process of the performance test script; and based on a preset rule engine, analyzing the performance data of the to-be-tested interface in the execution process of the performance test script to obtain a performance analysis result of the to-be-tested interface.

The invention discloses a programmable direct-current power supply, which comprises a shell, wherein a front panel is arranged on the front side of the shell, and is provided with a display screen fordisplaying a user interface, an auxiliary function soft key used for menu display is arranged on the lower side of the display screen, a USB Host interface allowing an external USB driver to be connected to equipment is arranged on the left side of the display screen, multi-channel voltage output is provided, the total output power reaches up to 200 W, the output of all channels is independentlycontrollable, voltage stabilization and current stabilization value stepping of the first path and the second path are adjustable, two working states of voltage stabilization and current stabilizationcan be automatically switched along with the change of a load, the first-path output and the second-path output can be connected in series, connected in parallel and independently work, and the thirdpath provides four selectable output voltages of 1.8 V, 2.5 V, 3.3 V and 5V.

The invention provides a handle strength testing device which comprises a frame, a testing unit and a control unit, the testing unit comprises a vertical rod and a testing assembly installed on the vertical rod, and the two ends of the vertical rod are installed at the top and the bottom of the frame respectively. The testing assembly comprises a hanging piece used for installing a sample, a motorused for driving the hanging piece to vertically move along the vertical rod and a force sensor used for measuring the tensile force borne by the hanging piece, and the force sensor and the motor arein communication connection with the control unit. According to the handle strength test device provided by the embodiment of the invention, a static strength test or a dynamic strength test can be carried out on a handle as required without repeated manual operation, diversified detection requirements are met, the detection efficiency and accuracy are improved, and a force-related curve can be drawn according to measurement data; and accurate and comprehensive data support is provided for the subsequent analysis of the strength of the handle.

The present disclosure provides a configurable CAN bus protocol sending and receiving test method and system. Using the standard data frame defined by the CAN bus protocol, the data length of the request frame or response frame can be arbitrarily set within a certain range. If the request frame or response frame data If the length exceeds the data frame length defined in the protocol, the request frame or response frame data will be split into multiple single frames and sent; if multiple frames are received, the frame operation will be performed according to the frame content, and multiple single frames will be combined into one The complete request frame or response frame is then processed for response. During the test, the user can immediately change the corresponding frame parameters according to the needs; at the same time, the present disclosure directly generates hardware interrupt signals through the FPGA, and carries out frame-building and response frame transmission in the interrupt program. A series of operations, without data upload, effectively shortens the response time, and can ensure that the response time is less than 2 milliseconds.

A time index bearing method, detection method and device, storage medium, base station, terminal, the bearing method includes: encoding the information bits carried on the actually transmitted PBCH block, wherein the information bits include the first time index, the first time index includes at least a part of information in the system frame number information; the coded information bits are scrambled based on the actually transmitted scrambling code subsequence, wherein the actually transmitted scrambling code subsequence is from the preset scrambling code subsequence selected from the code subsequence set. The technical solution provided by the present invention can ensure that the PBCH designed by the base station in the 5G system can support one detection and multiple detections.

The invention discloses an air tightness detection device, which relates to the mechanical field and includes a frame, a test cavity, a vacuum generator, a leak detector, a flow controller, a flow sensor, an air pressure sensor and a fixture assembly. The frame The upper part is the test area, and the lower part of the rack is the equipment installation area. The vacuum generator, leak detector, flow controller, flow sensor, and air pressure sensor are all installed in the equipment installation area, and the fixture assembly is installed in the test area. And it is used to fix the test cavity, and the products to be tested are installed in the test cavity. The present invention integrates a plurality of testing devices in one frame, and at the same time, it is equipped with corresponding fixture assemblies to realize the diversification of customer products. The overall structure is compact, the integration is high, and the visual detection work is realized.